Rivet cutting mechanism and rivet self-puncturing equipment

Abstract

The rivet cutting mechanism comprises a controller, a rivet storage block, a discharging block, a first rivet cutting assembly, a second rivet cutting assembly and an air blowing device, a first main flow channel used for storing first rivets and a second main flow channel used for storing second rivets are arranged in the rivet storage block, a discharging flow channel is arranged on the discharging block, and the first main flow channel and the second main flow channel are communicated through the air blowing device. The discharging runner is simultaneously communicated with the end parts of the first main runner and the second main runner; the first rivet cutting assembly is electrically connected with the controller and used for conveying the first rivets in the first main runner to an inlet of the discharging runner. The second rivet cutting assembly is electrically connected with the controller and used for conveying a second rivet in the second main runner to an inlet of the discharging runner. The blowing equipment is electrically connected with the controller and used for blowing the first rivet or the second rivet located at the inlet to the outlet of the discharging runner. The rivet cutting mechanism and the rivet self-puncturing equipment are high in rivet taking accuracy, and the phenomenon of rivet clamping is not prone to being caused.

Description

Technical Field

[0001] The utility model relates to the technical field of rivet equipment, in particular to a rivet cutting mechanism and a self-piercing rivet equipment. Background Art

[0002] Self-piercing rivet equipment is used for fastening and riveting of various metal plates, pipes and other manufacturing industries. It is widely used in the riveting of electromechanical and light industrial products such as automobiles, aviation, railways, refrigeration, elevators, switches, instruments, furniture, and decoration.

[0003] The two-way select-one rivet cutting mechanism in the existing self-piercing rivet equipment mainly adopts a three-position telescopic cylinder transmission. The middle position blows out the rivet, and the moving point and origin of the cylinder are used as the nail removal position. After working for a long time, the middle position of the three-position telescopic cylinder is inaccurate, which can easily cause nail jamming. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a rivet cutting mechanism and a self-piercing rivet device, which have high nail removal accuracy and are less likely to cause nail jamming.

[0005] The utility model is achieved through the following technical solutions:

[0006] A rivet cutting mechanism, comprising:

[0007] Controller;

[0008] A nail storage block is provided with a first main channel for storing the first rivet and a second main channel for storing the second rivet.

[0009] A discharge block is fixedly connected to the nail storage block, and a discharge flow channel is provided on the discharge block. The discharge flow channel is located between the first main channel and the second main channel, and the discharge flow channel is connected to the ends of the first main channel and the second main channel at the same time;

[0010] a first nail cutting assembly, located on one side of the nail storage block and electrically connected to the controller, for delivering the first rivet in the first main flow channel to the inlet of the discharge flow channel;

[0011] a second nail cutting assembly, located on the other side of the nail storage block and electrically connected to the controller, for delivering the second rivet in the second main flow channel to the inlet of the discharge flow channel;

[0012] The air blowing device is electrically connected to the controller and is used to blow the first rivet or the second rivet located at the inlet to the outlet of the discharge channel.

[0013] Furthermore, the first nail cutting assembly includes a first cylinder and a first nail cutting block, the first nail cutting block is located between the discharge channel and the first main channel / second main channel, the first cylinder is electrically connected to the controller to drive the first nail cutting block to move between the first position and the second position, and when the first nail cutting block moves from the first position to the second position, one of the first rivets in the first main channel can be delivered to the entrance of the discharge channel.

[0014] Furthermore, the first nail cutting block is provided with a first nail cutting groove;

[0015] When the first nail cutting block is located at the first position, the first nail cutting groove is connected to the first main channel, and the first rivet located at the bottom of the first main channel falls into the first nail cutting groove by itself;

[0016] When the first nail cutting block is located at the second position, the first nail cutting groove is connected to the discharge channel. At this time, the first rivet located in the first nail cutting groove moves from the inlet of the discharge channel to the outlet of the discharge channel under the blowing of the blowing device.

[0017] Furthermore, the rivet cutting mechanism also includes a first sensor, which is electrically connected to the controller for detecting whether the first rivet exists in the first nail cutting groove. If the first rivet exists in the first nail cutting groove, the controller controls the first cylinder to start, and the first cylinder drives the first nail cutting block to move from the first position to the second position.

[0018] Furthermore, the second nail cutting assembly includes a second cylinder and a second nail cutting block, the second nail cutting block is located between the discharge channel and the first main channel / second main channel, the second cylinder is electrically connected to the controller to drive the second nail cutting block to move between the first position and the second position, and when the second nail cutting block moves from the first position to the second position, a second rivet in the second main channel can be delivered to the entrance of the discharge channel.

[0019] Furthermore, the second nail cutting block is provided with a second nail cutting groove;

[0020] When the second nail cutting block is located at the first position, the second nail cutting groove is connected to the second main channel, and the second rivet located at the bottom of the second main channel falls into the second nail cutting groove by itself;

[0021] When the second nail cutting block is in the second position, the second nail cutting groove is connected to the discharge channel. At this time, the second rivet located in the second nail cutting groove moves from the inlet of the discharge channel to the outlet of the discharge channel under the blowing of the blowing device.

[0022] Furthermore, the rivet cutting mechanism also includes a second sensor, which is electrically connected to the controller for detecting whether the second rivet exists in the second nail cutting groove. If the second rivet exists in the second nail cutting groove, the controller controls the second cylinder to start, and the second cylinder drives the second nail cutting block to move from the first position to the second position.

[0023] Furthermore, an air blowing channel is provided on the nail storage block, an air inlet of the air blowing channel is connected to the air blowing device, and an air outlet of the air blowing channel is located directly above the inlet of the discharge channel.

[0024] Furthermore, the rivet cutting mechanism also includes a third sensor and a fourth sensor. The third sensor is arranged above the first main channel and is electrically connected to the controller for detecting whether there are sufficient first rivets in the first main channel. The fourth sensor is arranged above the second main channel and is electrically connected to the controller for detecting whether there are sufficient second rivets in the second main channel.

[0025] A self-piercing rivet device comprises the above-mentioned rivet cutting mechanism.

[0026] Compared with the prior art, the advantages of the present invention are:

[0027] By using a first cylinder to drive a first cutting block to cut out a first rivet in a first main channel, and using a second cylinder to drive a second cutting block to cut out a second rivet in a second main channel, and using a blowing device to blow the cut rivets out of the discharge channel, the action logic is simple, and the rivets of the two channels can be accurately selected to converge into one channel and blown out, which is not easy to cause the rivet jamming phenomenon. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 This is a structural diagram of a rivet cutting mechanism according to an embodiment of the present invention;

[0029] Figure 2 It is a partial structural diagram of the rivet cutting mechanism;

[0030] Figure 3 for Figure 2 Cross-sectional view along AA;

[0031] Figure 4 It is a schematic diagram of the local structure of the rivet cutting mechanism.

[0032] Figure 5 This is the circuit control block diagram of the rivet cutting mechanism.

[0033] 1. Controller; 2. Nail storage block; 20. First main channel; 21. Second main channel; 22. Air blowing channel; 220. Air inlet; 221. Air outlet; 3. Discharge block; 30. Discharge channel; 300. Entrance; 301. Exit; 4. First nail cutting assembly; 40. First cylinder; 41. First nail cutting block; 410. First nail cutting groove; 5. Second nail cutting assembly; 50. Second cylinder; 51. Second nail cutting block; 510. Second nail cutting groove; 6. Air blowing device; 7. First rivet; 8. Second rivet; 9. First sensor; 10. Second sensor; 11. Third sensor; 12. Fourth sensor. DETAILED DESCRIPTION

[0034] The following is a further non-restrictive detailed description of the technical solution of the utility model in conjunction with the preferred embodiments and the accompanying drawings. In the description of the utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" can explicitly or implicitly include at least one of the features. In the description of the utility model, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the utility model, and cannot be understood as limiting the utility model.

[0035] like Figure 1-Figure 5As shown, a rivet cutting mechanism according to an embodiment of the present invention is characterized in that it includes a controller 1, a nail storage block 2, a discharge block 3, a first nail cutting assembly 4, a second nail cutting assembly 5 and an air blowing device 6. A first main channel 20 for storing the first rivet 7 and a second main channel 21 for storing the second rivet 8 are provided in the nail storage block 2. The discharge block 3 is fixedly connected to the nail storage block 2, and a discharge flow channel 30 is provided on the discharge block 3. The discharge flow channel 30 is located between the first main channel 20 and the second main channel 21, and the discharge flow channel 30 is connected to the first main channel 20 and the second main channel 21 at the same time. The ends of the second main channel 21 are connected; the first nail cutting assembly 4 is located on one side of the nail storage block 2 and is electrically connected to the controller 1, and is used to deliver the first rivet 7 in the first main channel 20 to the entrance 300 of the discharge channel 30; the second nail cutting assembly 5 is located on the other side of the nail storage block 2 and is electrically connected to the controller 1, and is used to deliver the second rivet 8 in the second main channel 21 to the entrance 300 of the discharge channel 30; the blowing device 6 is electrically connected to the controller 1, and is used to blow the first rivet 7 or the second rivet 8 located at the entrance 300 to the outlet 301 of the discharge channel 30.

[0036] The first cutting nail assembly 4 includes a first cylinder 40 and a first cutting nail block 41. The first cutting nail block 41 is located between the discharge channel 30 and the first main channel 20 / second main channel 21. The first cylinder 40 is electrically connected to the controller 1 to drive the first cutting nail block 41 to move between the first position and the second position. When the first cutting nail block 41 moves from the first position to the second position, a first rivet 7 in the first main channel 20 can be delivered to the entrance 300 of the discharge channel 30.

[0037] Specifically, a first nail cutting groove 410 is provided on the first nail cutting block 41. When the first nail cutting block 41 is located at the first position, the first nail cutting groove 410 is connected with the first main channel 20. At this time, the first rivet 7 located at the bottom of the first main channel 20 falls into the first nail cutting groove 410 by itself; when the first nail cutting block 41 is located at the second position, the first nail cutting groove 410 is connected with the discharge channel 30. At this time, the first rivet 7 located in the first nail cutting groove 410 moves from the inlet 300 of the discharge channel 30 to the outlet 301 of the discharge channel 30 under the blowing of the blowing device 6.

[0038] The rivet cutting mechanism also includes a first sensor 9, which is electrically connected to the controller 1 for detecting whether there is a first rivet 7 in the first cutting groove 410. If there is a first rivet 7 in the first cutting groove 410, the controller 1 controls the first cylinder 40 to start, and the first cylinder 40 drives the first cutting block 41 to move from the first position to the second position.

[0039] The second nail cutting assembly 5 includes a second cylinder 50 and a second nail cutting block 51. The second nail cutting block 51 is located between the discharge channel 30 and the first main channel 20 / second main channel 21. The second cylinder 50 is electrically connected to the controller 1 to drive the second nail cutting block 51 to move between the first position and the second position. When the second nail cutting block 51 moves from the first position to the second position, a second rivet 8 in the second main channel 21 can be delivered to the entrance 300 of the discharge channel 30.

[0040] Specifically, a second nail cutting groove 510 is provided on the second nail cutting block 51. When the second nail cutting block 51 is located in the first position, the second nail cutting groove 510 is connected with the second main channel 21. At this time, the second rivet 8 located at the bottom of the second main channel 21 falls into the second nail cutting groove 510 by itself; when the second nail cutting block 51 is located in the second position, the second nail cutting groove 510 is connected with the discharge channel 30. At this time, the second rivet 8 located in the second nail cutting groove 510 moves from the inlet 300 of the discharge channel 30 to the outlet 301 of the discharge channel 30 under the blowing of the blowing device 6.

[0041] The rivet cutting mechanism also includes a second sensor 10, which is electrically connected to the controller 1 for detecting whether there is a second rivet 8 in the second cutting groove 510. If there is a second rivet 8 in the second cutting groove 510, the controller 1 controls the second cylinder 50 to start, and the second cylinder 50 drives the second cutting block 51 to move from the first position to the second position.

[0042] An air blowing channel 22 is provided on the nail storage block 2 , an air inlet 220 of the air blowing channel 22 is connected to the air blowing device 6 , and an air outlet 221 of the air blowing channel 22 is located directly above the inlet 300 of the discharge channel 30 .

[0043] The rivet cutting mechanism also includes a third sensor 11 and a fourth sensor 12. The third sensor 11 is arranged above the first main channel 20 and is electrically connected to the controller 1 for detecting whether there are sufficient first rivets 7 in the first main channel 20. The fourth sensor 12 is arranged above the second main channel 21 and is electrically connected to the controller 1 for detecting whether there are sufficient second rivets 8 in the second main channel 21.

[0044] A self-piercing rivet device comprises the above-mentioned rivet cutting mechanism.

[0045] When the first rivet 7 in the first main channel 20 is needed, under the premise that the first sensor 9 detects that there is the first rivet 7 in the first cutting nail groove 410, the controller 1 controls the first cylinder 40 to start, and the first cylinder 40 drives the first cutting nail block 41 to move from the first position to the second position, and sends the first rivet 7 in the first cutting nail groove 410 to the inlet 300 of the discharge channel 30, and the blowing device 6 starts to blow air into the blowing channel 22, and the gas flows out from the air outlet 221, and the outflowing gas blows the first rivet 7 at the inlet 300 of the discharge channel 30 to the outlet 301 of the discharge channel 30. Similarly, when the second rivet 8 in the second main channel 21 is needed, under the premise that the second sensor 10 detects that there is a second rivet 8 in the second cutting nail groove 510, the controller 1 controls the second cylinder 50 to start, and the second cylinder 50 drives the second cutting nail block 51 to move from the first position to the second position, and sends the second rivet 8 in the second cutting nail groove 510 to the inlet 300 of the discharge channel 30, and the blowing device 6 starts to blow air into the blowing channel 22, and the gas flows out from the air outlet 221, and the outflowing gas blows the second rivet 8 at the inlet 300 of the discharge channel 30 to the outlet 301 of the discharge channel 30.

[0046] The utility model has the following beneficial effects:

[0047] The first cylinder 40 is used to drive the first cutting block 41 to cut out the first rivet 7 in the first main channel 20, the second cylinder 50 is used to drive the second cutting block 51 to cut out the second rivet 8 in the second main channel 21, and the blowing device 6 is used to blow the cut rivets out of the discharge channel 30. The action logic is simple, and it can accurately select the rivets from two paths to converge into one path and blow the rivets out, which is not easy to cause the rivet jamming phenomenon.

[0048] The above-described embodiments merely represent several implementation methods of the present invention. While the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the present invention. It should be noted that a person skilled in the art would be able to make various modifications and improvements without departing from the concept of the present invention, and these modifications and improvements fall within the scope of protection of the present invention. Therefore, the scope of protection of the present invention shall be determined by the appended claims.

Claims

1. A rivet cutting mechanism, characterized in that: include: Controller (1); A nail storage block (2) is provided with a first main flow channel (20) for storing a first rivet (7) and a second main flow channel (21) for storing a second rivet (8). A discharge block (3) is fixedly connected to the nail storage block (2), and a discharge flow channel (30) is provided on the discharge block (3), wherein the discharge flow channel (30) is located between the first main flow channel (20) and the second main flow channel (21), and the discharge flow channel (30) is simultaneously communicated with the ends of the first main flow channel (20) and the second main flow channel (21); A first nail cutting assembly (4), located on one side of the nail storage block (2) and electrically connected to the controller (1), is used to deliver the first rivet (7) in the first main flow channel (20) to the inlet (300) of the discharge flow channel (30); A second nail cutting assembly (5), located on the other side of the nail storage block (2) and electrically connected to the controller (1), is used to deliver the second rivet (8) in the second main flow channel (21) to the inlet (300) of the discharge flow channel (30); The blowing device (6) is electrically connected to the controller (1) and is used to blow the first rivet (7) or the second rivet (8) located at the inlet (300) to the outlet (301) of the discharge channel (30).

2. The rivet cutting mechanism according to claim 1, characterized in that: The first nail cutting assembly (4) includes a first cylinder (40) and a first nail cutting block (41). The first nail cutting block (41) is located between the discharge channel (30) and the first main channel (20) / second main channel (21). The first cylinder (40) is electrically connected to the controller (1) and is used to drive the first nail cutting block (41) to move between a first position and a second position. When the first nail cutting block (41) moves from the first position to the second position, one of the first rivets (7) in the first main channel (20) can be delivered to the entrance (300) of the discharge channel (30).

3. The rivet cutting mechanism according to claim 2, characterized in that: The first nail cutting block (41) is provided with a first nail cutting groove (410); When the first nail cutting block (41) is located at the first position, the first nail cutting groove (410) is connected to the first main channel (20), and at this time, the first rivet (7) located at the bottom of the first main channel (20) falls into the first nail cutting groove (410) by itself; When the first nail cutting block (41) is located at the second position, the first nail cutting groove (410) is connected to the discharge channel (30), and the first rivet (7) located in the first nail cutting groove (410) moves from the inlet (300) of the discharge channel (30) to the outlet (301) of the discharge channel (30) under the blowing of the blowing device (6).

4. The rivet cutting mechanism according to claim 3, characterized in that: The rivet cutting mechanism further includes a first sensor (9), which is electrically connected to the controller (1) and is used to detect whether the first rivet (7) exists in the first cutting groove (410). If the first rivet (7) exists in the first cutting groove (410), the controller (1) controls the first cylinder (40) to start, and the first cylinder (40) drives the first cutting block (41) to move from a first position to a second position.

5. The rivet cutting mechanism according to claim 1, characterized in that: The second nail cutting assembly (5) includes a second cylinder (50) and a second nail cutting block (51). The second nail cutting block (51) is located between the discharge channel (30) and the first main channel (20) / second main channel (21). The second cylinder (50) is electrically connected to the controller (1) and is used to drive the second nail cutting block (51) to move between a first position and a second position. When the second nail cutting block (51) moves from the first position to the second position, a second rivet (8) in the second main channel (21) can be delivered to the entrance (300) of the discharge channel (30).

6. The rivet cutting mechanism according to claim 5, characterized in that: The second nail cutting block (51) is provided with a second nail cutting groove (510); When the second nail cutting block (51) is located at the first position, the second nail cutting groove (510) is connected to the second main channel (21), and at this time, the second rivet (8) located at the bottom of the second main channel (21) falls into the second nail cutting groove (510) by itself; When the second nail cutting block (51) is located at the second position, the second nail cutting groove (510) is connected to the discharge channel (30), and the second rivet (8) located in the second nail cutting groove (510) moves from the inlet (300) of the discharge channel (30) to the outlet (301) of the discharge channel (30) under the blowing of the blowing device (6).

7. The rivet cutting mechanism according to claim 6, characterized in that: The rivet cutting mechanism further includes a second sensor (10), the second sensor (10) being electrically connected to the controller (1) for detecting whether the second rivet (8) exists in the second nail cutting slot (510); if the second rivet (8) exists in the second nail cutting slot (510), the controller (1) controls the second cylinder (50) to start, and the second cylinder (50) drives the second nail cutting block (51) to move from a first position to a second position.

8. The rivet cutting mechanism according to claim 1, characterized in that: The nail storage block (2) is provided with an air blowing channel (22), an air inlet (220) of the air blowing channel (22) is connected to the air blowing device (6), and an air outlet (221) of the air blowing channel (22) is located directly above the inlet (300) of the discharge channel (30).

9. The rivet cutting mechanism according to claim 1, characterized in that: The rivet cutting mechanism further comprises a third sensor (11) and a fourth sensor (12), wherein the third sensor (11) is arranged above the first main channel (20) and is electrically connected to the controller (1) for detecting whether a sufficient amount of the first rivets (7) are present in the first main channel (20), and the fourth sensor (12) is arranged above the second main channel (21) and is electrically connected to the controller (1) for detecting whether a sufficient amount of the second rivets (8) are present in the second main channel (21).

10. A self-piercing rivet device, characterized in that: It comprises the rivet cutting mechanism according to any one of claims 1 to 9.

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