A type of anti-hand-hitting riveting machine

Abstract

This utility model discloses an anti-hand-striking riveting machine. By setting an annular component at the upper end of the riveting station, and driving it downward along the riveting station direction under the drive of the annular drive component, and cooperating with a stroke sensor to detect whether the annular component has moved to the set stroke distance, if there is a foreign object near the riveting station and the annular component has not reached the set stroke distance, it can be determined that there is a foreign object near the riveting station, and the riveting mechanism will stop working. This effectively prevents the riveting mechanism from pressing the worker's hand, improves the safety of riveting processing, and at the same time effectively prevents foreign objects from affecting the stamping stroke and the quality of riveting processing.

Description

Technical Field

[0001] This utility model relates to the technical field of rivet processing equipment, and in particular to a rivet machine that prevents hand-striking. Background Technology

[0002] A riveting machine is a mechanical device that uses rivets to rivet together workpieces. Its core function is to securely connect workpieces together using rivets. Specifically, the rivet head and rivet shank are fed to the riveting area via a feeding device. The workpiece is placed between the rivet head and rivet shank. The riveting machine applies pressure to press the rivet head and rivet shank together, causing them to penetrate the workpiece and form a mechanical locking structure, thus achieving a strong mechanical connection.

[0003] Existing riveting machines typically include a riveting mechanism, a rivet head feeding mechanism, and a rivet shank feeding mechanism. The rivet head feeding mechanism and the rivet shank feeding mechanism deliver the rivet head and rivet shank to the area to be riveted. After the worker places the rivet to be processed in the area to be riveted, the riveting mechanism is activated to press downwards and complete one riveting operation.

[0004] The riveting machine has the following problems: When the riveting mechanism presses downwards, if the worker's operation is not standardized, there is a risk that the worker's hand may be directly crushed by the riveting mechanism, which poses a significant safety hazard; secondly, if there are foreign objects near the riveting area, the riveting mechanism will be limited by the foreign objects when it presses downwards, resulting in an incomplete pressing stroke and reduced riveting quality. Utility Model Content

[0005] This utility model provides a riveting machine that prevents workers' hands from being crushed by the riveting mechanism, thereby improving the safety of riveting processing. At the same time, it effectively prevents foreign objects from affecting the stamping stroke and thus the quality of riveting processing.

[0006] To achieve the above objectives, the technical solution provided by this utility model is: an anti-hand-hitting riveting machine, comprising:

[0007] The machine base has a riveting table on its surface and a riveting station on the riveting table.

[0008] The rivet rod feeding mechanism is used to convey the rivet rod to the riveting station;

[0009] The rivet head feeding mechanism is used to convey the rivet head to the area above the riveting station;

[0010] The riveting mechanism includes a rivet rod and a riveting drive component that drives the rivet rod to move vertically. The rivet rod is located above the riveting station.

[0011] The rivet rod is driven by a riveting drive component, which moves the rivet head located above the riveting station toward the riveting station and rivets it with the rivet rod on the riveting station.

[0012] The anti-striking mechanism includes a ring-shaped component, a ring-shaped component driver that drives the ring-shaped component to move vertically, and a stroke sensor that detects the vertical movement stroke signal of the ring-shaped component. The ring-shaped component is located above the riveting station and below the rivet rod. It is driven by the ring-shaped component driver to press against the surface of the riveting station. When the rivet rod moves, it passes through the ring-shaped component to the riveting station.

[0013] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0014] By setting an annular component at the upper end of the riveting station, and driving it downwards along the riveting station direction, a stroke sensor detects whether the annular component has moved to the set stroke distance. If there is a foreign object near the riveting station and the annular component has not reached the set stroke distance, it can be determined that there is a foreign object near the riveting station, and the riveting mechanism will stop working. This effectively prevents the riveting mechanism from pressing the worker's hand, improves the safety of riveting processing, and also effectively prevents foreign objects from affecting the stamping stroke and the quality of riveting processing. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of this utility model.

[0016] Figure 2 yes Figure 1 Enlarged view of point A in the middle.

[0017] Figure 3 yes Figure 1 A schematic diagram of the structure from another angle.

[0018] Figure 4 yes Figure 3 Enlarged view of point B in the middle.

[0019] Figure 5 yes Figure 1 A schematic diagram of the structure from another angle.

[0020] Figure 6 yes Figure 5 Enlarged view of point C in the middle.

[0021] Figure 7 This is a schematic diagram of the structure of the clamp and rivet. Detailed Implementation

[0022] The present invention will now be described in further detail with reference to the accompanying drawings.

[0023] Please see Figure 1-7As shown, this embodiment discloses an anti-hand-striking riveting machine, including a base 1 and a riveting table 11 on its surface. The riveting table 11 is provided with a mounting base 12 for mounting various mechanisms. The riveting table 11 is provided with a riveting station 13. The rivet rod is conveyed to the riveting station 13 by the rivet rod feeding mechanism 4, and the rivet head is conveyed to the top of the riveting station 13 by the rivet head feeding mechanism 5. The workpiece to be processed is placed on the riveting station 13, and the rivet head at the upper end and the rivet rod at the lower end of the workpiece are riveted together by the riveting mechanism 2, thereby realizing the mechanical connection of the workpiece. At the same time, by setting the anti-hand-striking mechanism 3, it can effectively prevent the riveting mechanism from pressing the worker's hand during the processing, improve the safety of riveting processing, and effectively prevent foreign objects from affecting the stamping stroke and affecting the quality of riveting processing.

[0024] Please see Figure 1-2 In this embodiment, the riveting mechanism 2 includes a rivet rod 21 and a riveting drive component that drives the rivet rod to move vertically. The rivet rod 21 is located above the riveting station 13. The riveting drive component includes a servo motor 22, a swing arm 24, and an eccentric wheel 23 connected to the output end of the servo motor 22. The servo motor 22 is fixed on the mounting base 12. One end of the swing arm 24 is rotatably mounted on the surface of the eccentric wheel 23, and the other end of the swing arm 24 is rotatably connected to the end of the rivet rod 21. The servo motor 22 drives the eccentric wheel 23 to rotate and move the rivet head located above the riveting station 13 toward the riveting station via the swing arm 24, so as to rivet the rivet rod on the riveting station 13.

[0025] In this embodiment, the anti-bumping mechanism 3 includes an annular component 31, an annular component driver that drives the annular component 31 to move in a vertical direction, and a stroke sensor (not shown in the figure) that detects the vertical movement stroke signal of the annular component. The annular component 31 is located above the riveting station 13 and below the rivet rod 21. It is driven by the annular component driver to press against the surface of the riveting station 13. When the rivet rod 21 moves, it passes through the annular component 31 to the riveting station 13.

[0026] Specifically, the annular component driving component includes a first cylinder 32, a fixed rod 33, and a mounting base 34. The first cylinder 32 is fixed on the mounting bracket 12 and located above the riveting table 11. The piston rod of the first cylinder 32 is connected to the mounting base 34 and drives the mounting base 34 to move vertically. One end of the fixed rod 33 is fixed to the mounting base 34, and the other end extends vertically downward. The annular component 31 is fixedly connected to the fixed rod 33. The stroke sensor includes a starting sensor for detecting the initial position of the annular component 31 and an ending sensor for detecting the end position of the stroke of the annular component 31. The starting sensor is opposite to the starting position of the mounting base 34, and the ending sensor is located directly below the starting sensor. When the first cylinder 32 drives the mounting base 34 to move vertically to its end position, the ending sensor is opposite to the mounting base 34.

[0027] The principle of the anti-hand-striking mechanism is as follows: The initial sensor senses the signal of the mounting base 34, and the first cylinder 32 pushes the mounting base 34 downward. Through the fixed rod 33, the ring 31 moves towards the riveting station 13. When there are no foreign objects near the riveting station 13, the mounting base 34 moves to the end sensor. The end sensor senses the signal of the mounting base and can determine that there are no foreign objects blocking it. The riveting mechanism 2 then performs the riveting action. If there are foreign objects blocking the riveting station 13, the ring 31 cannot move downward and the mounting base 34 cannot move to the end sensor. This indicates that there are foreign objects blocking the riveting mechanism, and the riveting mechanism stops working. This effectively prevents the riveting mechanism from pressing the worker's hand, improves the safety of the riveting process, and also effectively prevents foreign objects from affecting the stamping stroke and the quality of the riveting process.

[0028] Please see Figure 3-4 In this embodiment, the rivet rod feeding mechanism 4 includes a first vibratory plate 41, a first feeding track 42, and a rivet pushing mechanism. The riveting table 11 has a rivet pushing groove 111 extending to the riveting station 13. The discharge port of the first vibratory plate 41 is connected to the first feeding track 42, and the first feeding track 42 is connected to the rivet pushing groove 111. The rivet pushing mechanism includes a push rod 43 and a push rod driving member that drives the push rod 43 to move toward the riveting station 13. One end of the push rod 43 is connected to the output end of the push rod driving member, and the other end of the push rod 43 is set on the rivet pushing groove 111.

[0029] Specifically, the push rod drive includes a second cylinder 44 and a fixed seat 45. The piston rod of the second cylinder 44 is connected to the fixed seat 45, and one end of the push rod 43 is connected to the fixed seat 45.

[0030] The rivet rod is transmitted to the first feeding track 42 by the vibration of the first vibrating plate 41, and then enters the pusher groove 111; then the second cylinder 44 pushes the fixed seat 45 to drive the push rod 43, pushing the rivet rod to the riveting station 13, waiting for riveting.

[0031] Please see Figure 5-7 In this embodiment, the rivet head feeding mechanism 5 includes a second vibratory plate 51, a second feeding track 52, and a clamp 53; wherein the clamp 53 is located above the riveting station 13 and can move in the vertical direction, the clamp 53 is provided with a rivet rod groove in the vertical direction, the bottom end of the rivet rod groove is provided with a receiving groove 531 for accommodating the rivet head, the discharge port of the second vibratory plate 51 is connected to the second feeding track 52, and the second feeding track 52 is connected to the receiving groove 531;

[0032] A rivet head limiting mechanism is also provided at the second feeding track 52, including: a limiting cylinder 54, a first limiting block 55, a second limiting block 56, and a third limiting block 57 arranged sequentially along the extension direction of the second feeding track 52. The first limiting block 55 and the second limiting block 56 are located on both sides of the second feeding track 52, and the third limiting block 57 is located on the same side as the first limiting block 55. The piston rod of the limiting cylinder 54 is connected to the first limiting block 55, the second limiting block 56, and the third limiting block 57 simultaneously through a connector 58. In the initial state, the first limiting block 55 and the third limiting block 57 block the second feeding track 52, and the second limiting block 56 moves away from the second feeding track 52.

[0033] The rivet head is transmitted to the second feeding track 52 by the vibration of the second vibrating plate 51 and is limited by the first limiting block 55. The limiting cylinder 54 pushes the first limiting block 55 and the third limiting block 57 away from the second feeding track 52, and the second limiting block 56 blocks the second feeding track 52, so that the rivet head moves from the first limiting block 55 to the second limiting block 56. When the limiting cylinder 54 is reset, the rivet head slides from the second limiting block 56 to the third limiting block 57 for limitation. When the limiting cylinder 54 is pushed again, the first limiting block 55 and the third limiting block 57 move away from the second feeding track 52, and the rivet head moves to the receiving groove 531.

[0034] The end of the rivet 21 is inserted into the rivet groove of the fixture 53. The rivet 21 has a gradually widening inclined surface 211. When the rivet 21 moves vertically downward, it drives the fixture 53 to move downward through the inclined surface 211. When it reaches the riveting station 13, the inclined surface 211 deforms the fixture 53 to open the receiving groove 531 and rivets the rivet head onto the rivet shank. The rivet 21 resets and drives the fixture 53 to move upward. During the upward movement of the rivet 21, the inclined surface 211 disengages from the rivet groove, so that the receiving groove 531 at the lower end of the fixture 53 resets.

[0035] The complete workflow of this embodiment is as follows:

[0036] 1. The rivet rod feeding mechanism 4 conveys the rivet rod to the riveting station 13, and the rivet head feeding mechanism 5 conveys the rivet head to the area above the riveting station 13.

[0037] 2. The annular part 31 of the anti-blow mechanism 3 is driven by the first cylinder 32 to press down and detect whether there are foreign objects at the riveting station;

[0038] 3. If a foreign object is detected, no action will be taken; if no foreign object is detected, the riveting mechanism 2 will start to rivet.

[0039] The embodiments described with reference to the accompanying drawings are exemplary and intended to explain this application, and should not be construed as limiting this application. In the description of this application, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," and "counterclockwise," etc., indicating orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings, are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as limiting this application. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined with "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this application, "several" or "more than" means two or more, unless otherwise explicitly specified. In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances. In this application, unless otherwise expressly specified and limited, "above" or "below" a second feature can include direct contact between the first and second features, or it can include contact between the first and second features through another feature between them. Moreover, "above," "over," and "on top" of a second feature includes the first feature being directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" of a second feature includes the first feature being directly above or diagonally above the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0040] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A hand-resistant riveting machine, comprising: The machine base has a riveting table on its surface and a riveting station on the riveting table. The rivet rod feeding mechanism is used to convey the rivet rod to the riveting station; The rivet head feeding mechanism is used to convey the rivet heads to the area above the riveting station. The riveting mechanism includes a rivet rod and a riveting drive component that drives the rivet rod to move vertically. The rivet rod is located above the riveting station. The rivet rod is driven by a riveting drive component to move the rivet head located above the riveting station toward the riveting station and rivet it with the rivet rod on the riveting station; characterized in that it further includes: The anti-striking mechanism includes a ring-shaped component, a ring-shaped component driver that drives the ring-shaped component to move vertically, and a stroke sensor that detects the vertical movement stroke signal of the ring-shaped component. The ring-shaped component is located above the riveting station and below the rivet rod. It is driven by the ring-shaped component driver to press against the surface of the riveting station. When the rivet rod moves, it passes through the ring-shaped component to the riveting station.

2. The anti-hand-hitting riveting machine according to claim 1, characterized in that: The annular component driving component includes a first cylinder, a fixed rod, and a mounting base. The first cylinder is fixedly mounted above the riveting table. The piston rod of the first cylinder is connected to the mounting base and drives the mounting base to move vertically. One end of the fixed rod is fixed to the mounting base, and the other end extends vertically downward. The annular component is fixedly connected to the fixed rod.

3. The anti-hand-hitting riveting machine according to claim 2, characterized in that: The stroke sensor includes a starting sensor for detecting the initial position of the ring component and an ending sensor for detecting the end position of the ring component's stroke. The starting sensor is opposite to the starting position of the mounting base, and the ending sensor is located directly below the starting sensor. When the first cylinder drives the mounting base to move vertically to its end position, the ending sensor is opposite to the mounting base.

4. The anti-hand-hitting riveting machine according to claim 1, characterized in that: The riveting drive includes a servo motor, a rocker arm, and an eccentric wheel connected to the output end of the servo motor. One end of the rocker arm is rotatably mounted on the surface of the eccentric wheel, and the other end of the rocker arm is rotatably connected to the end of the riveting rod. The servo motor drives the eccentric wheel to rotate, which in turn drives the riveting rod to move in the vertical direction via the rocker arm.

5. The anti-hand-hitting riveting machine according to claim 1, characterized in that: The rivet rod feeding mechanism includes a first vibratory plate, a first feeding track, and a rivet pushing mechanism. The riveting table has a rivet pushing groove extending to the riveting station. The discharge port of the first vibratory plate is connected to the first feeding track, and the first feeding track is connected to the rivet pushing groove. The rivet pushing mechanism includes a push rod and a push rod driving component that drives the push rod to move toward the riveting station. One end of the push rod is connected to the output end of the push rod driving component, and the other end of the push rod is set on the rivet pushing groove.

6. The anti-hand-hitting riveting machine according to claim 5, characterized in that: The push rod drive includes a second cylinder and a fixed base. The piston rod of the second cylinder is connected to the fixed base, and one end of the push rod is connected to the fixed base.

7. The anti-hand-hitting riveting machine according to claim 1, characterized in that: The rivet head feeding mechanism includes a second vibratory plate, a second feeding track, and a clamp; The fixture is located on the riveting station and can move vertically. The fixture is provided with a rivet groove through it in the vertical direction. The bottom end of the rivet groove is provided with a receiving groove for accommodating the rivet head. The discharge port of the second vibrating plate is connected to the second feeding track, and the second feeding track is connected to the receiving groove. The end of the rivet rod is inserted into the rivet rod groove of the fixture. The rivet rod has a gradually widening inclined surface. When the rivet rod moves vertically downward, it drives the fixture to move downward through the inclined surface. When it reaches the riveting position, the inclined surface deforms and opens the fixture and rivets the rivet head onto the rivet rod.

8. The anti-hand-hitting riveting machine according to claim 7, characterized in that: It also includes a rivet head limiting mechanism, which includes: a limiting cylinder, a first limiting block, a second limiting block, and a third limiting block arranged sequentially along the extension direction of the second feeding track, wherein the first limiting block and the second limiting block are located on both sides of the second feeding track, and the third limiting block is located on the same side as the first limiting block. The piston rod of the limiting cylinder is connected to the first limiting block, the second limiting block, and the third limiting block simultaneously through a connecting member. In the initial state, the first limit block and the third limit block block block the second feeding track, and the second limit block moves away from the second feeding track. When the limit cylinder is pushed, the first limit block and the third limit block move away from the second feeding track, and the second limit block blocks the second feeding track, so that the rivet head moves from the first limit block to the second limit block. When the limit cylinder resets, the rivet head moves from the second limit block to the third limit block.

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