Antenna oscillator welding hole rivet pressing device

Abstract

The utility model relates to the technical field of riveting equipment, in particular to an antenna oscillator welding hole rivet pressing device which comprises a rack, a workbench located on the rack, a riveting mechanism arranged on the workbench, a feeding mechanism located on one side of the riveting mechanism and used for conveying rivets in a whole row, and a cutting mechanism used for cutting the rivets. The cutting mechanism is fixedly connected to the workbench and comprises a base, an annular blade connected to the base and a driving assembly used for driving the annular blade, the base is of a cylindrical structure with a hollow cavity, a round hole matched with a rivet is formed in the top end of the base, and the annular blade is arranged in the hollow cavity corresponding to the position of the round hole; and the bottom end of the annular blade is rotationally connected with the driving assembly. According to the utility model, the problems that the rivet cannot be quickly dismounted due to pressure collapse or crushing damage in the riveting process of the conventional riveting machine and the antenna oscillator is easily damaged when the rivet is manually dismounted are solved, so that the production efficiency of the riveting machine is improved.

Description

Technical Field

[0001] This utility model relates to the field of riveting equipment technology, and in particular to a riveting device for welding holes of antenna vibrators. Background Technology

[0002] With the continuous development of the communications industry, the demand for base station antennas in the market is also increasing. Among them, the antenna vibrator is an important component of the base station antenna used to transmit and receive high-frequency oscillation signals. For example, the manufacturing process of a 5G base station antenna vibrator involves assembling a metal vibrator and a plastic part together. Most manufacturing processes use screws to fix the vibrator and the plastic part, or use plastic rivets to fix them together. In the process of rivetizing, a riveting machine is required.

[0003] Currently, existing riveting machines inevitably encounter problems such as misalignment, breakage, or damage when riveting rivets to antenna elements. Since general riveting machines lack a structure for removing rivets, auxiliary tools are required for manual removal during the rivet removal process. This removal method not only easily damages the antenna element, causing functional failure, but also increases production loss costs. Utility Model Content

[0004] In order to address the technical deficiencies mentioned in the background art, the purpose of this utility model is to provide an antenna vibrator welding hole riveting device, which aims to solve the problem that existing riveting machines cannot quickly remove rivets when they break or are damaged during the riveting process. At the same time, it can also avoid the problem of easily damaging the antenna vibrator when manually removing rivets, thereby improving the production efficiency of the riveting machine.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] An antenna vibrator welding hole riveting device includes a frame, a worktable on the frame, a riveting mechanism on the worktable, and a feeding mechanism for conveying rivets in an orderly manner on one side of the riveting mechanism. It also includes a cutting mechanism for shearing the rivets. The cutting mechanism is fixedly connected to the worktable and includes a base, an annular blade connected to the base, and a driving assembly for driving the annular blade. The base is a cylindrical structure with a hollow cavity, and a circular hole adapted to the rivet is opened at the top of the base. The annular blade is positioned within the hollow cavity corresponding to the circular hole, and its bottom end is rotatably connected to the driving assembly. The driving assembly is located at the bottom of the hollow cavity and is used to drive the annular blade to rise and press and shear the pressure ring on the rivet.

[0007] Preferably, the drive assembly includes a threaded screw, a guide sleeve, and a drive motor. One end of the threaded screw is connected to the output end of the drive motor, and the guide sleeve is connected to the other end of the threaded screw and fixedly connected to the annular blade.

[0008] Preferably, the riveting mechanism includes a mounting bracket, a punching pin disposed on the mounting bracket, and a driving component for driving the punching pin to move up and down for riveting. The top end of the mounting bracket is provided with a cantilever, the punching pin and the driving component are disposed on the cantilever, and one end of the punching pin is connected to the driving component for transmission.

[0009] Preferably, a positioning component for fixing the antenna vibrator is provided directly below the stamping needle. The positioning component is provided with a conical positioning block adapted to the opening of the antenna vibrator. The axis of the conical positioning block and the axis of the stamping needle are located on the same axis.

[0010] Preferably, the positioning component includes a fixing plate, a positioning sleeve, and a fixing block. The fixing plate is connected to the machine base, the bottom end of the positioning sleeve is welded to the fixing plate, and an adjustment knob is connected between the top end of the positioning sleeve and the fixing block.

[0011] Preferably, the adjusting knob is threaded onto the positioning sleeve, and a threaded hole is provided at the center of the adjusting knob. The bottom end of the fixing block is threaded into the threaded hole, and the top end of the fixing block and the positioning block form a riveting platform at their connection.

[0012] Preferably, the feeding mechanism includes a support bracket, a vibratory plate fixed on the support bracket, and a feeding track connected to the discharge port of the vibratory plate. The vibratory plate is fixedly installed on the frame by the support bracket, and a feeding track is spirally arranged on the inner side wall of the vibratory plate. The end of the feeding track extends out of the top of the vibratory plate and is connected to the feeding track.

[0013] Preferably, baffles are provided on both sides of the feeding track, and a material channel is formed between the baffles to restrict the orientation of the rivets. A notch for stamping rivets is provided at the position of the feeding track corresponding to the stamping needle.

[0014] In summary, the beneficial effects of this utility model are as follows:

[0015] The riveting device of this utility model automatically rivets the antenna vibrator by setting a riveting mechanism and automatically sorts and cuts the rivets by using a feeding mechanism, reducing the labor intensity of manual labor; at the same time, a cutting mechanism is set to cut the rivets that have deviated or been damaged after stamping, thereby quickly removing the rivets, saving production costs, ensuring the integrity of the antenna vibrator, and thus improving the production efficiency of the riveting device. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the antenna vibrator welding hole pressing and riveting device of this utility model;

[0017] Figure 2 This is a schematic diagram of the internal structure of the antenna vibrator welding hole pressing and riveting device of this utility model;

[0018] Figure 3 yes Figure 2 Enlarged view of the positioning component structure at point a;

[0019] Figure 4 This is a side view of the antenna vibrator welding hole pressing and riveting device of this utility model;

[0020] Figure 5 This is a cross-sectional view of the cutting mechanism in this utility model.

[0021] Explanation of the reference numerals in the figure:

[0022] 1. Frame; 2. Workbench; 3. Riveting mechanism; 31. Mounting bracket; 311. Cantilever; 32. Stamping pin; 33. Drive component; 4. Feeding mechanism; 41. Elevating bracket; 42. Vibratory feeder; 421. Feeding track; 43. Discharging track; 431. Baffle; 432. Notch; 5. Cutting mechanism; 51. Base; 511. Hollow cavity; 512. Round hole; 52. Ring blade; 53. Drive assembly; 531. Drive motor; 532. Lead screw; 533. Guide sleeve; 6. Positioning component; 61. Fixing plate; 62. Positioning sleeve; 63. Fixing block; 64. Adjusting knob; 7. Conical positioning block. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model are within the protection scope of the present utility model.

[0024] Those skilled in the art should understand that, in the disclosure of this utility model, the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model 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. Therefore, the above terms should not be construed as limitations on this utility model.

[0025] In the description of this utility model, the use of terms such as "several" means one or more, with "multiple" meaning two or more. Terms like "greater than," "less than," and "exceeding" are understood to exclude the stated number, while "above," "below," and "within" are understood to include the stated number. The use of terms like "first," "second," and "third" is merely for distinguishing technical features and should not be construed as indicating or implying relative importance, the quantity of indicated technical features, or the sequential relationship between indicated technical features.

[0026] The following is in conjunction with the appendix Figure 1-5 The present invention will provide a more detailed description of an embodiment of an antenna vibrator welding hole pressing and riveting device.

[0027] An antenna vibrator welding hole pressing and riveting device, such as Figure 1 and Figure 5 As shown, the device includes a frame 1, a worktable 2 located on the frame 1, a riveting mechanism 3 mounted on the worktable 2, and a feeding mechanism 4 located on one side of the riveting mechanism 3 for conveying rivets in rows. It also includes a cutting mechanism 5 for shearing rivets. The cutting mechanism 5 is fixedly connected to the worktable 2 and includes a base 51, an annular blade 52 connected to the base, and a driving assembly 53 for driving the annular blade 52. The base 51 is a cylindrical structure with a hollow cavity 511, and the top of the base 51 has a circular hole 512 adapted to the rivet. The annular blade 52 is positioned in the hollow cavity 511 corresponding to the circular hole 512, and the bottom end of the annular blade 52 is rotatably connected to the driving assembly 53. The driving assembly 53 is located at the bottom end of the hollow cavity 511 and is used to drive the annular blade 52 to rise and squeeze and shear the pressure ring on the rivet.

[0028] Specifically, during the riveting process of antenna vibrators, damage to the rivets is often unavoidable. Damaged rivets need to be cut and re-riveted. In this invention, a cutting mechanism 5 is set up to cut the rivets, mainly to cut off the excess pressure ring after riveting, so as to ensure that the rivets can be quickly removed without affecting the antenna vibrator. In order to prevent the annular blade 52 from scraping the antenna vibrator during the cutting process, a limiting block can be set at the top of the threaded screw 532 to limit the sliding stroke of the annular blade 52. During the cutting process, the annular blade 52 is driven by the driving component 53. Since the size of the annular blade 52 is just right to match the size of the circular hole 512, the pressure ring after riveting can be accurately cut off, which facilitates the removal of the rivets and also improves the riveting efficiency of the antenna vibrator.

[0029] In this embodiment, the drive assembly 53 includes a threaded screw 532, a guide sleeve 533, and a drive motor 531. One end of the threaded screw 532 is connected to the output end of the drive motor 531 for transmission, and the guide sleeve 533 is connected to the other end of the threaded screw 532 and is fixedly connected to the annular blade 52.

[0030] Specifically, the drive assembly 53 pushes the annular blade 52 upward to press and cut, thereby precisely shearing the outward-folding pressure ring after the rivet is pressed in, allowing the rivet to easily and quickly fall off the antenna vibrator and effectively avoiding the problem of damaging the antenna vibrator during the shearing process. During the cutting process of the annular blade 52 driven by the drive assembly 53, the drive motor 531 provides the driving force and controls the guide sleeve 533 to drive the annular blade 52 to rise and fall along the threaded screw 532, thereby completing the cutting. In addition to using screw drive, the drive assembly 53 can also use other driving methods with the same effect without affecting the shearing effect of the annular blade 52.

[0031] In this embodiment, as Figure 2 As shown, the riveting mechanism 3 includes a mounting bracket 31, a punching pin 32 disposed on the mounting bracket 31, and a driving component 33 for driving the punching pin 32 to move up and down for riveting. A cantilever 311 is provided at the top of the mounting bracket 31. The punching pin 32 and the driving component 33 are disposed on the cantilever 311, and one end of the punching pin 32 is connected to the driving component 33 for transmission.

[0032] Specifically, one end of the stamping needle 32 is a pointed tip, and the other end is detachably connected to a conversion joint that is rotatably connected to the drive component 33, so that the stamping needle 32 can be quickly replaced when different sizes of stamping needle 32 are needed. In addition to providing driving force, the drive component 33 also needs to be able to drive the head of the stamping needle 32 to press downward. Therefore, the stamping drive component 33 of this utility model adopts a drive cylinder, which is vertically set on the cantilever 311. When driving the stamping needle 32, the output end of the drive cylinder is connected to the stamping needle 32 for transmission, so that the stamping speed is controlled in real time when the stamping needle 32 presses downward.

[0033] In this embodiment, as Figure 3 As shown, a positioning component 6 for fixing the antenna vibrator is provided directly below the stamping needle 32. The positioning component 6 is provided with a conical positioning block 7 adapted to the opening of the antenna vibrator. The axis of the conical positioning block 7 and the axis of the stamping needle 32 are located on the same axis.

[0034] Specifically, since the rivets in this utility model are hollow rivets, during the riveting process, the hollow end of the rivet is pressed against the positioning member 6 by the stamping needle 32. The hollow diameter inside the rivet is larger than the diameter of the conical positioning block 7, so that the rivet can be sleeved on the outside of the conical positioning block 7, and the riveting is completed under the restriction of the positioning member 6. The positioning member 6 includes a fixing plate 61, a positioning sleeve 62 and a fixing block 63. The fixing plate 61 is connected to the machine base, the bottom end of the positioning sleeve 62 is welded to the fixing plate 61, and an adjustment knob 64 is connected between the top end of the positioning sleeve 62 and the fixing block 63. The adjusting knob 64 is threaded onto the positioning sleeve 62, and a threaded hole is provided in the center of the adjusting knob 64. The bottom end of the fixing block 63 is threaded into the threaded hole, and one end of the fixing block 63 has an inverted platform structure. The purpose of setting the adjusting knob 64 is to facilitate the adjustment of the height of the fixing block 63, so that the fixing block 63 can effectively increase the contact area when it contacts the stamping needle 32, thereby better controlling the riveting effect of the rivet height. A riveting platform is formed at the connection between the top of the fixing block 63 and the positioning block. The riveting platform is the side of the stamping needle 32 that contacts the fixing block 63 when it is stamped. With the help of the conical positioning block 7, the hollow cylindrical end of the rivet is divided into several pieces and folded outward and backward, thereby quickly fixing it onto the opening of the antenna vibrator.

[0035] In this embodiment, as Figure 4 As shown, the feeding mechanism 4 includes a support bracket 41, a vibratory plate 42 fixed on the support bracket 41, and a discharge track 43 connected to the discharge port of the vibratory plate 42. The vibratory plate 42 is fixedly installed on the frame 1 through the support bracket 41, and a feeding track 421 is spirally arranged on the inner side wall of the vibratory plate 42. The end of the feeding track 421 extends out of the top of the vibratory plate 42 and is connected to the discharge track 43.

[0036] Specifically, the rivet has a cap at one end and a hollow cylindrical structure at the other end. During the riveting process, it is necessary to ensure that the cap end of the rivet faces upward. Therefore, when the rivets are fed, the feeding direction is adjusted by the vibration of the vibratory plate 42 and they are arranged in an orderly manner. After the arrangement is completed, in order to better unload the rivets, the height of the vibratory plate 42 is made greater than the height of the riveting mechanism 3 by raising the bracket 41. Thus, when the rivets are conveyed to the unloading track 43, they can be automatically unloaded by relying on gravitational potential energy, thereby eliminating the need for a drive source and saving production costs.

[0037] To better restrict the feeding direction of the rivets, baffles 431 are provided on both sides of the feeding track 43. A material channel is formed between the baffles 431 to restrict the orientation of the rivets. After the rivets are arranged and fed in the vibratory feeder 42, they will continue to be conveyed along the feeding track 43 with the pressure ring side facing inward. The feeding track 43 has a notch 432 for stamping the rivets at the position corresponding to the stamping needle 32. When the rivets are conveyed to the end of the feeding track 43, an arc-shaped stop bar is provided on one side of the feeding track 43 to prevent the rivets from falling. One end of the arc-shaped stop bar is fixed to the mounting bracket 31 by a tension spring. During the pressing process of the stamping needle 32, the stamping needle 32 drives the rivets downward along the position of the notch 432, thereby orderly pressing the rivets onto the antenna vibrator.

[0038] The working principle of this utility model:

[0039] When riveting the antenna vibrator, the opening on the antenna vibrator is first aligned with the conical positioning block 7 for snap-fit. After quickly positioning the antenna vibrator, the riveting device is started. The vibrating plate 42 of the feeding mechanism 4 is used to place the central hole rivet for riveting. The rivets are then arranged and transported to the riveting mechanism 3 by the feeding track 43. Then, the punching needle 32 drives the rivet downward under the driving action of the driving component 33. After the rivet abuts against the riveting platform between the positioning block and the fixing block 63, it folds outward and backward, thus fixing the rivet to the corresponding opening on the antenna vibrator. If the rivet is not riveted properly or if there are problems such as uneven riveting, crushing, or blockage during the riveting process, the damaged rivet is simply placed in the cutting mechanism. The end of the rivet with the pressure ring is cut by the ring blade 52, so that the rivet can be quickly removed from the antenna vibrator. This effectively avoids the problem of easily damaging the antenna vibrator when removing the rivet, thereby quickly improving the production efficiency of the riveting device and effectively reducing the production cost.

[0040] The embodiments described in this specific implementation are preferred embodiments of this application and are not intended to limit the scope of protection of this application. Identical components are represented by the same reference numerals. Therefore, all equivalent changes made to the structure, shape, and principle of this application should be covered within the scope of protection of this application.

Claims

1. An antenna vibrator welding hole riveting device, comprising a frame, a worktable located on the frame, a riveting mechanism disposed on the worktable, and a feeding mechanism located on one side of the riveting mechanism for conveying rivets in an orderly manner, characterized in that, It also includes a cutting mechanism for shearing rivets, which is fixedly connected to the worktable and includes a base, an annular blade connected to the base, and a driving assembly for driving the annular blade. The base is a cylindrical structure with a hollow cavity, and the top of the base has a circular hole adapted to the rivet. The annular blade is positioned in the hollow cavity corresponding to the circular hole, and the bottom end of the annular blade is rotatably connected to the driving assembly. The driving assembly is located at the bottom end of the hollow cavity and is used to drive the annular blade to rise and press and shear the pressure ring on the rivet.

2. The antenna vibrator welding hole pressing and riveting device according to claim 1, characterized in that, The drive assembly includes a threaded screw, a guide sleeve, and a drive motor. One end of the threaded screw is connected to the output end of the drive motor, and the guide sleeve is connected to the other end of the threaded screw and is fixedly connected to the annular blade.

3. The antenna vibrator welding hole pressing and riveting device according to claim 1, characterized in that, The riveting mechanism includes a mounting bracket, a punching pin mounted on the mounting bracket, and a driving component for driving the punching pin to move up and down for riveting. The top of the mounting bracket is provided with a cantilever, the punching pin and the driving component are mounted on the cantilever, and one end of the punching pin is connected to the driving component for transmission.

4. The antenna vibrator welding hole pressing and riveting device according to claim 3, characterized in that, A positioning component for fixing the antenna vibrator is provided directly below the stamping needle. The positioning component is provided with a conical positioning block adapted to the opening of the antenna vibrator. The axis of the conical positioning block and the axis of the stamping needle are located on the same axis.

5. The antenna vibrator welding hole pressing and riveting device according to claim 4, characterized in that, The positioning component includes a fixing plate, a positioning sleeve, and a fixing block. The fixing plate is connected to the machine base, the bottom end of the positioning sleeve is welded to the fixing plate, and an adjustment knob is connected between the top end of the positioning sleeve and the fixing block.

6. The antenna vibrator welding hole pressing and riveting device according to claim 5, characterized in that, The adjusting knob is threaded onto the positioning sleeve, and a threaded hole is provided in the center of the adjusting knob. The bottom end of the fixing block is threaded into the threaded hole, and the top end of the fixing block and the positioning block form a riveting platform at their connection.

7. The antenna vibrator welding hole pressing and riveting device according to claim 1, characterized in that, The feeding mechanism includes a support bracket, a vibratory plate fixed on the support bracket, and a feeding track connected to the discharge port of the vibratory plate. The vibratory plate is fixedly installed on the frame by the support bracket, and a feeding track is spirally arranged on the inner side wall of the vibratory plate. The end of the feeding track extends out of the top of the vibratory plate and is connected to the feeding track.

8. The antenna vibrator welding hole pressing and riveting device according to claim 7, characterized in that, Baffles are provided on both sides of the feeding track, and a material channel is formed between the baffles to restrict the orientation of the rivets. A notch for stamping rivets is opened at the position of the feeding track corresponding to the stamping needle.

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