Nut detection device

Abstract

The utility model discloses a nut detection device, which relates to the technical field of nut detection, and comprises a machine table, and a feeding track, a detection track and a detection mechanism are arranged on the machine table; a conveying groove is formed in the top face of the detection rail, and the feeding rail is used for conveying nuts to the conveying groove. The detection mechanism comprises a detection head, a first driving assembly and a second driving assembly, the detection head is suspended right above the conveying groove, a detection thread is arranged on the ring surface of the detection head, the first driving assembly is used for driving the detection head to rotate, and the second driving assembly is used for driving the detection head to do lifting motion; according to the utility model, the feeding track and the detection track uninterruptedly convey the nuts to pass right below the detection head, and the detection head detects the nuts, so that the nuts can be efficiently detected in batches, and the yield of outgoing products is improved.

Description

Technical Field

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

[0002] Nuts are common fasteners, which are widely used in various industries and have a large demand. Generally speaking, their production added value is low, and they are mass-produced and manufactured in industry, so it is inevitable that defective products will appear due to processing accuracy and equipment failure. Thread twisting is one of the possible defects of the internal thread of the nut.

[0003] The conventional method for detecting the twist of the threads in nuts is manual sampling inspection, which is inefficient and still has large systematic errors. It is impossible to eliminate the random errors in the nut production process, but the cost of manual inspection is high.

[0004] In view of this, a nut detection device is urgently needed. Utility Model Content

[0005] In view of the problems existing in the prior art, the utility model solves the problems with the following technical structure.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A nut detection device comprises: a machine platform, on which a feeding track, a detection track and a detection mechanism are arranged;

[0008] The top surface of the detection track is provided with a conveying trough, and the loading track is used to convey the nuts to the conveying trough;

[0009] The detection mechanism includes a detection head, a first drive assembly and a second drive assembly. The detection head is suspended directly above the conveying trough. The annular surface of the detection head is provided with a detection thread. The first drive assembly is used to drive the detection head to rotate, and the second drive assembly is used to drive the detection head to perform lifting and lowering movements.

[0010] Its further characteristic is that

[0011] The first driving assembly includes a mounting seat and a motor arranged above the machine platform. The motor is arranged on the mounting seat, and the detection head is coaxially connected to the output end of the motor.

[0012] The second driving component includes a support base and a first electric cylinder arranged on the machine platform. The mounting base is slidably arranged on one side of the support base. The first electric cylinder is arranged on the support base. The output end of the first electric cylinder is connected to the mounting base. The first electric cylinder is used to drive the mounting base to perform lifting movements.

[0013] A slide rail is arranged on one side of the support seat, and the mounting seat is clamped on the slide rail.

[0014] The support seat is provided with a buffer seat and a spring at the bottom of the mounting seat, and two ends of the spring are respectively connected with the top of the buffer seat and the bottom of the mounting seat.

[0015] There are two conveying troughs, which are arranged in parallel on the detection track; there are two detection mechanisms, which are arranged in parallel, and the detection heads of the two detection mechanisms are suspended above the two conveying troughs respectively.

[0016] Two feeding troughs are arranged in parallel on the feeding track, and the two feeding troughs correspond to the two conveying troughs one by one.

[0017] It also includes a transfer mechanism, which includes a transfer plate, a second electric cylinder driving the transfer plate to move in a direction perpendicular to the extension direction of the conveying trough, and a third driving mechanism. The transfer plate is arranged between the end of the feeding trough and the initial end of the conveying trough, and the top surface of the transfer plate is provided with two transfer grooves corresponding to the two feeding troughs respectively;

[0018] The third driving mechanism is used to push the nuts on the transfer plate into the two conveying grooves.

[0019] The third driving mechanism includes a third electric cylinder and two plugs arranged at the output end of the third electric cylinder. The two plugs are arranged on one side of the feeding track. The two plugs are respectively adapted to two conveying grooves. The third electric cylinder is used to drive the two plugs to move toward or away from the side of the detection track.

[0020] The machine is provided with a material unloading track at the bottom of the end of the detection track.

[0021] The above structure of the utility model can achieve the following beneficial effects:

[0022] The nuts are continuously conveyed by the feeding track and the detection track and pass directly under the detection head. The detection head detects the nuts, so that the nut detection can be completed efficiently in batches, thereby improving the yield rate of factory products. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a structural schematic diagram of this embodiment;

[0024] Figure 2 is a schematic structural diagram of the first driving mechanism and the second driving mechanism in this embodiment;

[0025] Figure 3 It is a schematic diagram of the structure of the feeding track, the detection track and the switching mechanism in this embodiment.

[0026] In the figure: 1. feeding track; 11. feeding trough; 2. detection track; 21. conveying trough; 3. detection head; 4. first drive assembly; 41. mounting seat; 42. motor; 5. second drive assembly; 51. support seat; 52. first electric cylinder; 53. slide rail; 54. buffer seat; 55. spring; 6. transfer mechanism; 61. transfer plate; 62. second electric cylinder; 63. transfer trough; 64. third electric cylinder; 65. top head; 7. unloading track. DETAILED DESCRIPTION

[0027] 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.

[0028] It should be noted that the terms "including" and "having" and any variations thereof in the specification and claims of the present invention and the above-mentioned drawings are intended to cover non-exclusive inclusions. For example, a process, method, apparatus, product or equipment comprising a series of steps or units is not necessarily limited to those steps or units clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or equipment.

[0029] The following is combined with Figure 1-3 This application is described in further detail.

[0030] refer to Figure 1A nut detection device shown in the figure comprises: a machine platform, on which a feeding track 1, a detection track 2 and a detection mechanism are arranged; a conveying groove 21 is arranged on the top surface of the detection track 2, and the feeding track 1 is used to convey nuts to the conveying groove 21; the detection mechanism comprises a detection head 3, a first driving component 4 and a second driving component 5, the detection head 3 is suspended just above the conveying groove 21, and the annular surface of the detection head 3 is provided with a detection thread, the first driving component 4 is used to drive the detection head 3 to rotate, and the second driving component 5 is used to drive the detection head 3 to perform a lifting movement. When the nut needs to be detected, the nut to be detected is conveyed into the conveying groove 21 on the detection track 2 through the feeding track 1, and when the nut is conveyed to just below the detection head 3 (it can be in the detection A positioning piece is set at the detection position corresponding to the detection head of the detection track 2, so that when the nut is transported to the bottom of the detection head 3, the nut is limited so that the nut is facing the detection head 3), the second drive component 5 drives the detection head 3 to descend, and the first drive component 4 drives the detection head 3 to rotate, so that the detection head 3 is screwed into the nut to achieve the purpose of detecting the internal thread of the nut (when the detection head 3 is successfully screwed into the nut, there is no problem with the internal thread of the nut, otherwise, the nut is a defective product), and the inspected nut is output from the other end of the detection track 2. In this way, the nuts are continuously transported by the feeding track 1 and the detection track 2 to pass directly under the detection head 3, and the detection head 3 detects the nuts, so that the nut detection can be completed efficiently in batches.

[0031] refer to Figure 1-2 As shown, the first driving component 4 includes a mounting base 41 and a motor 42 arranged above the machine platform. The motor 42 is arranged on the mounting base 41, and the detection head 3 is coaxially connected with the output end of the motor 42. In this way, the detection head 3 is driven to rotate by the motor 42 to facilitate the detection head to be screwed into the nut.

[0032] refer to Figure 1-2 As shown, the second driving component 5 includes a support base 51 and a first electric cylinder 52 arranged on the machine platform. The mounting base 41 is slidably arranged on one side of the support base 51. The first electric cylinder 52 is arranged on the support base 51. The output end of the first electric cylinder 52 is connected to the mounting base 41. In this way, the mounting base 41 is driven to perform lifting movements by arranging the first electric cylinder 52, so as to achieve the purpose of driving the detection head 3 to perform lifting movements. In order to guide and limit the movement of the mounting base 41, a slide rail 53 is arranged on one side of the support base 51, and the mounting base 41 is clamped on the slide rail 53.

[0033] Further optimization is to refer to Figure 2 As shown, the support seat 51 is provided with a buffer seat 54 and a spring 55 at the bottom of the mounting seat 41, and the two ends of the spring 55 are respectively connected to the top of the buffer seat 54 and the bottom of the mounting seat 41, so that the movement of the mounting seat 41 is buffered and decelerated, thereby improving the service life of the device.

[0034] refer to Figure 1-3 As shown, in order to improve the detection efficiency, two conveying troughs 21 are provided, and the two conveying troughs 21 are arranged in parallel on the detection track 2. Two detection mechanisms are provided, and the two detection mechanisms are arranged in parallel. The detection heads 3 of the two detection mechanisms are respectively suspended above the two conveying troughs 21, and the nuts are conveyed simultaneously through the two conveying troughs 21. With the two detection mechanisms, the nuts on the two conveying troughs 21 are detected at the same time, which improves the detection efficiency. The two detection mechanisms are arranged in parallel to save installation space.

[0035] refer to Figure 1-3 As shown, in order to adapt to the two conveying grooves 21 on the detection track 2, two loading grooves 11 are arranged in parallel on the loading track 1, and the two loading grooves 11 correspond to the two conveying grooves 21 one by one. The nuts are respectively conveyed to the two conveying grooves 21 through the two loading grooves 11, and during production, a vibration plate is set at the loading end of the loading track 1 (or manual loading is adopted) to make the nuts enter the loading track 1 in a specified state.

[0036] refer to Figure 1-3 As shown, in order to enable the nuts to be continuously transported to the conveying trough 21, the present application also includes a transfer mechanism 6, which includes a transfer plate 61, a second electric cylinder 62 that drives the transfer plate 61 to move in an extension direction perpendicular to the conveying trough 21, and a third drive mechanism. The transfer plate 61 is arranged between the end of the loading trough 11 and the initial end of the conveying trough 21, and the top surface of the transfer plate 61 is provided with two transfer grooves 63 that correspond one to one with the two loading troughs 11 respectively; the third drive mechanism is used to push the nuts on the transfer plate 61 into the two conveying troughs 21, so that by driving the transfer plate 61 to move, the two transfer grooves 63 are aligned with the ends of the two loading troughs 11 of the loading rail 1, and the two nuts located at the very end of the loading rail 1 are received, and then the transfer plate 61 is driven to move so that the two transfer grooves 63 are aligned with the detection rail The two conveying grooves 21 on the detection track 2 are aligned, and the nuts on the two transfer grooves 63 are pushed into the two conveying grooves 21 through the third driving mechanism. In this way, the uninterrupted conveying of the nuts to the conveying grooves 21 is completed, and the purpose of pushing the nuts in the conveying grooves 21 is achieved, so as to complete the detection and discharge the nuts after the detection from the end of the conveying grooves 21; wherein, the specific structure of the third driving mechanism includes a third electric cylinder 64 and two top heads 65 arranged at the output end of the third electric cylinder 64, the two top heads 65 are arranged on one side of the feeding track 1, and the two top heads 65 are respectively adapted to the two conveying grooves 21, and the third electric cylinder 64 is used to drive the two top heads 65 to move toward or away from the side of the detection track 2, so that the third electric cylinder 64 drives the two top heads 65 to move synchronously to push the nuts on the transfer grooves 63 into the conveying grooves 21.

[0037] Further optimization is, Figure 1As shown, the machine is provided with a feeding track 7 at the bottom of the end of the detection track 2, and a material tray is provided at the bottom of the feeding track 7 to collect the tested nuts.

[0038] The working principle of the utility model is as follows: the feeding track 1 and the detection track 2 continuously convey the nuts to pass directly under the detection head 3, and the detection head 3 detects the nuts, so that the detection of the nuts can be completed in batches and efficiently, thereby improving the yield rate of the products leaving the factory.

[0039] The above are only preferred embodiments of the present application, and the present invention is not limited to the above embodiments. It is understood that other improvements and changes directly derived or associated by those skilled in the art without departing from the spirit and concept of the present invention should be considered to be included in the protection scope of the present invention.

Claims

1. A nut detection device, characterized in that: include: A machine platform, wherein a feeding track (1), a detection track (2) and a detection mechanism are arranged on the machine platform; The top surface of the detection track (2) is provided with a conveying groove (21), and the loading track (1) is used to convey nuts to the conveying groove (21); The detection mechanism comprises a detection head (3), a first drive assembly (4) and a second drive assembly (5); the detection head (3) is suspended directly above the conveying trough (21); the annular surface of the detection head (3) is provided with a detection thread; the first drive assembly (4) is used to drive the detection head (3) to rotate; and the second drive assembly (5) is used to drive the detection head (3) to move up and down.

2. A nut detection device according to claim 1, characterized in that: The first driving assembly (4) comprises a mounting seat (41) and a motor (42) arranged above the machine platform; the motor (42) is arranged on the mounting seat (41); and the detection head (3) is coaxially connected to the output end of the motor (42).

3. A nut detection device according to claim 2, characterized in that: The second driving assembly (5) comprises a support seat (51) and a first electric cylinder (52) arranged on the machine platform; the mounting seat (41) is slidably arranged on one side of the support seat (51); the first electric cylinder (52) is arranged on the support seat (51); an output end of the first electric cylinder (52) is connected to the mounting seat (41); and the first electric cylinder (52) is used to drive the mounting seat (41) to perform lifting movement.

4. A nut detection device according to claim 3, characterized in that: A slide rail (53) is provided on one side of the support seat (51), and the mounting seat (41) is clamped on the slide rail (53).

5. A nut detection device according to claim 3, characterized in that: The support seat (51) is provided with a buffer seat (54) and a spring (55) at the bottom of the mounting seat (41), and two ends of the spring (55) are respectively connected to the top of the buffer seat (54) and the bottom of the mounting seat (41).

6. A nut detection device according to claim 1, characterized in that: Two conveying grooves (21) are provided, and the two conveying grooves (21) are arranged in parallel on the detection track (2). Two detection mechanisms are provided, and the two detection mechanisms are arranged in parallel. The detection heads (3) of the two detection mechanisms are respectively suspended above the two conveying grooves (21).

7. A nut detection device according to claim 6, characterized in that: Two loading troughs (11) are arranged in parallel on the loading track (1), and the two loading troughs (11) correspond to the two conveying troughs (21) in a one-to-one manner.

8. A nut detection device according to claim 1, characterized in that: The invention also comprises a transfer mechanism (6), wherein the transfer mechanism (6) comprises a transfer plate (61), a second electric cylinder (62) for driving the transfer plate (61) to move in a direction perpendicular to the extension direction of the conveying trough (21), and a third driving mechanism, wherein the transfer plate (61) is arranged between the end of the loading trough (11) and the initial end of the conveying trough (21), and the top surface of the transfer plate (61) is provided with two transfer grooves (63) corresponding to the two loading troughs (11) respectively; The third driving mechanism is used to push the nuts on the transfer plate (61) into the two conveying grooves (21).

9. A nut detection device according to claim 8, characterized in that: The third driving mechanism comprises a third electric cylinder (64) and two plugs (65) arranged at the output end of the third electric cylinder (64), the two plugs (65) being arranged on one side of the feeding track (1), the two plugs (65) being respectively adapted to two conveying grooves (21), and the third electric cylinder (64) being used to drive the two plugs (65) to move toward or away from the side of the detection track (2).

10. A nut detection device according to claim 1, characterized in that: The machine is provided with a material discharge track (7) at the bottom of the end of the detection track (2).

Images