Machining method for pressing rivet part of protective coating

Abstract

The invention discloses a machining method for a pressing rivet part of a protective coating, a machining device is used, and the machining device comprises a positioning mechanism and a clamping mechanism; one end, needing to be riveted, of the riveting part is positioned on the positioning mechanism; the clamping mechanism comprises a driving assembly and at least one clamping assembly, the driving assembly drives the clamping assemblies to move in the first direction, and the clamping assemblies are used for clamping the ends, not needing pressing riveting, of the pressing riveting parts; each clamping assembly comprises an inner wall abutting piece and an outer wall abutting assembly, a sealing sleeve is arranged on the inner wall abutting piece, a containing groove is formed in the end of the sealing sleeve, and the end, not needing pressing riveting, of the pressing riveting part extends into the containing groove; when the sealing sleeve is arranged on the pressing rivet part in a sleeving mode, the inner wall abutting piece abuts against the inner wall of the sealing sleeve. The outer wall abutting assembly abuts against the outer wall of the sealing sleeve. The containing groove of the sealing sleeve seals the inner side and the outer side of the pressing rivet part. The sealing sleeve is matched with the clamping mechanism, the good sealing effect is achieved, and plating liquid is prevented from flowing into the sealing sleeve.

Description

Technical Field

[0001] The present invention relates to the technical field of processing press riveting parts, and particularly relates to a processing method for press riveting parts with a protective coating. Background Art

[0002] In the prior art, electroplating process is performed on one end of the press riveting part that needs to be press riveted, and electroplating process is not required for the end that does not need to be press riveted, so as to facilitate the subsequent installation of parts, and it is necessary to perform a riveting process on the electroplated press riveting parts.

[0003] There are currently two problems in the processing of press riveting parts:

[0004] The first problem is that it is necessary to seal and protect one end of the press riveting part before electroplating to prevent the press riveting part from generating a coating on one end during the electroplating process. The existing technology has insufficient sealing protection, resulting in the plating solution leaking into the protective part and affecting subsequent welding.

[0005] The second problem is that it is necessary to perform a riveting process on the press riveting part after electroplating, but the existing technology will damage the coating on the press riveting part during riveting, resulting in the parts being unqualified and unusable. Summary of the Invention

[0006] Aiming at the above problems existing in the processing of existing press riveting parts, the present invention aims to provide a processing method for press riveting parts with a protective coating.

[0007] The specific technical solution is as follows:

[0008] A processing method for press riveting parts with a protective coating, using a processing device, the processing device includes: a positioning mechanism and a clamping mechanism;

[0009] One end of the press riveting part that needs to be press riveted is positioned on the positioning mechanism;

[0010] The clamping mechanism includes: a driving component and at least one clamping component, the driving component drives the clamping component to move along a first direction, and the clamping component is used to clamp one end of the press riveting part that does not need to be press riveted;

[0011] Each clamping component includes: an inner wall abutting member and an outer wall pressing component, a sealing sleeve is provided on the inner wall abutting member, an accommodating groove is provided at the end of the sealing sleeve, and one end of the press riveting part that does not need to be press riveted extends into the accommodating groove;

[0012] While the sealing sleeve is sleeved on the press riveting part, the inner wall abutting member presses against the inner wall of the sealing sleeve;

[0013] The outer wall pressing component presses against the outer wall of the sealing sleeve;

[0014] The receiving groove of the sealing sleeve seals the inner and outer sides of the riveted component, so that the sealing sleeve covers the end of the riveted component that does not need to be riveted;

[0015] The clamping mechanism extends the riveted part in the clamping state into the plating solution for electroplating.

[0016] The above-mentioned method for processing a riveted part with a protective coating, wherein the inner wall of the sealing sleeve located at the opening of the receiving groove is provided with at least two first conical sealing rings, and the first conical sealing rings are in sealing cooperation with the inner wall of the riveted part;

[0017] The outer wall of the sealing sleeve located at the opening of the receiving groove is provided with at least two second conical sealing rings, and the second conical sealing rings are in sealing cooperation with the outer wall of the riveted part;

[0018] The conical portion of the first conical sealing ring and the conical portion of the second conical sealing ring are sealingly matched with the riveted part.

[0019] The above-mentioned method for processing a riveted part with a protective coating, wherein the first direction is a longitudinal direction;

[0020] The riveted parts are longitudinally positioned;

[0021] The transverse thickness of the first conical sealing ring is a first distance, and the inner wall of the riveted part and the inner wall of the receiving groove of the sealing sleeve form a second distance in the transverse direction;

[0022] The first distance is greater than the second distance.

[0023] The processing method of the above-mentioned protective-plated riveted parts, wherein the outer wall pressing assembly includes: at least two clamping members and at least two pressing driving members, the two pressing driving members are respectively connected to the two clamping members in a transmission manner, and the pressing parts of the two clamping members are closed together, thereby reducing the outer diameter of the sealing sleeve and the inner diameter of the second conical sealing ring, thereby achieving a sealing fit between the second conical sealing ring and the outer wall of the riveted part.

[0024] In the above-mentioned method for processing a riveted part with a protective coating, the pressing parts of the two clamping parts are in a circular ring shape when closed.

[0025] The above-mentioned processing method of the riveted parts with protective coating, wherein the driving assembly includes: a main driving member and a mounting plate, the main driving member is transmission-connected to the mounting plate to drive the mounting plate to move along the first direction, and the pressing driving member and the inner wall pressing member are both installed on the mounting plate.

[0026] The processing method of the press riveting part with the above-mentioned protective coating, wherein the processing device further comprises: a press riveting mechanism, and the press riveting mechanism performs press riveting on the press riveting part after electroplating.

[0027] The processing method of the press riveting part with the above-mentioned protective coating, wherein the press riveting mechanism comprises: a base assembly and a riveting press. The press riveting part is positioned on the base assembly, the riveting head of the riveting press is arranged directly above the press riveting part, and a pressure sensor is installed on the riveting head of the riveting press.

[0028] The processing method of the press riveting part with the above-mentioned protective coating, wherein the processing device further comprises: a control system, and the control system is signal-connected to the pressure sensor and the riveting press. The pressure parameter of the riveting press is adjusted in real time through the pressure value detected by the pressure sensor to ensure that the coating on the surface of the press riveting part is not damaged.

[0029] The processing method of the press riveting part with the above-mentioned protective coating, wherein the base assembly comprises: a base, a partition board and a positioning seat. The partition board is arranged directly above the base, the positioning seat is arranged directly above the partition board, a first spring is arranged between the partition board and the base in an abutting manner, a plurality of second springs are arranged between the partition board and the positioning seat in an abutting manner, the press riveting part after electroplating is positioned on the positioning seat, and the plurality of second springs are arranged at equal intervals along the circumferential direction of the press riveting part.

[0030] The positive effects of the above technical solution compared with the prior art are:

[0031] The sealing sleeve of the present invention cooperates with the clamping mechanism to achieve a good sealing effect and prevent the plating solution from flowing into the sealing sleeve;

[0032] The base assembly of the present invention cooperates with the riveting press. The first spring and the second spring of the base assembly generate a restoring force during press riveting, and in cooperation with the detection of the pressure sensor, the downward stroke and the downward speed of the riveting press are adjusted, thereby preventing the coating from being damaged and improving the qualification rate of the press riveting parts. Description of the Drawings

[0033] Figure 1 It is a schematic structural diagram of the positioning mechanism in the processing device of a press riveting part with a protective coating according to the present invention;

[0034] Figure 2 It is a schematic structural diagram of the clamping mechanism in the processing device of a press riveting part with a protective coating according to the present invention;

[0035] Figure 3 It is in the processing device of a press riveting part with a protective coating according to the present invention Figure 3 The enlarged view at A in;

[0036] Figure 4 Schematic structural diagram of a clamping mechanism controlling a riveting mechanism in a processing device for a riveted part with a protective coating according to the present invention;

[0037] Figure 5 Schematic structural diagram of a riveting mechanism in a processing device for a riveted part with a protective coating according to the present invention;

[0038] In the drawings: 1, positioning mechanism; 2, clamping mechanism; 3, riveted part; 4, driving assembly; 5, clamping assembly; 6, pressure sensor; 7, base assembly; 8, riveting press; 41, main driving part; 42, mounting plate; 51, inner wall abutting part; 52, outer wall pressing assembly; 53, sealing sleeve; 54, receiving groove; 55, first conical sealing ring; 56, second conical sealing ring; 57, clamping part; 58, pressing driving part; 71, base; 72, partition; 73, positioning seat; 74, first spring; 75, second spring. Detailed implementation manners

[0039] The present invention will be further described below in conjunction with the drawings and specific embodiments, but it is not limited to the present invention.

[0040] As Figures 1 to 5 shown, a processing method for a riveted part with a protective coating of a preferred embodiment is shown. A processing device is used, and the processing device includes: a positioning mechanism 1 and a clamping mechanism 2.

[0041] One end of the riveted part 3 to be riveted is positioned on the positioning mechanism 1.

[0042] The positioning mechanism 1 is a positioning plate, and a plurality of positioning grooves are provided on the positioning plate, and each positioning groove positions a riveted part 3.

[0043] The clamping mechanism 2 is arranged directly above the positioning mechanism 1.

[0044] The clamping mechanism 2 includes: a driving assembly 4 and at least one clamping assembly 5. The driving assembly 4 drives the clamping assembly 5 to move along a first direction, and the clamping assembly 5 is used to clamp one end of the riveted part 3 that does not need to be riveted.

[0045] Each clamping assembly 5 includes: an inner wall abutting part 51 and an outer wall pressing assembly 52. A sealing sleeve 53 is provided on the inner wall abutting part 51, and the end of the sealing sleeve 53 has a receiving groove 54. One end of the riveted part 3 that does not need to be riveted extends into the receiving groove 54.

[0046] The sealing sleeve 53 is located directly above the riveted part 3.

[0047] While the sealing sleeve 53 is sleeved on the riveted part 3, the inner wall abutting part 51 presses against the inner wall of the sealing sleeve 53.

[0048] The outer wall pressing component 52 presses against the outer wall of the sealing sleeve 53 .

[0049] The receiving groove 54 of the sealing sleeve 53 seals the inner and outer sides of the riveted component 3 so that the sealing sleeve 53 covers the end of the riveted component 3 that does not need to be riveted.

[0050] The clamping mechanism 2 extends the riveted part 3 in the clamping state into the plating solution for electroplating.

[0051] Further, as a preferred embodiment, at least two first conical sealing rings 55 are provided on the inner wall of the sealing sleeve 53 at the opening of the accommodating groove 54 , and the first conical sealing rings 55 are sealingly matched with the inner wall of the riveted part 3 .

[0052] At least two second conical sealing rings 56 are provided on the outer wall of the sealing sleeve 53 at the opening of the accommodating groove 54 , and the second conical sealing rings 56 are in sealing cooperation with the outer wall of the riveted component 3 .

[0053] The conical portion of the first conical sealing ring 55 and the conical portion of the second conical sealing ring 56 are sealed and matched with the riveted component 3 .

[0054] Further, as a preferred embodiment, the first direction is longitudinal.

[0055] The riveting part 3 is longitudinally positioned on the positioning mechanism 1 .

[0056] The transverse thickness of the first conical sealing ring 55 is a first distance, and the inner wall of the riveting component 3 and the inner wall of the receiving groove 54 of the sealing sleeve 53 form a second distance in the transverse direction.

[0057] Furthermore, as a preferred embodiment, the outer wall pressing assembly 52 includes: at least two clamping members 57 and at least two pressing driving members 58, the two pressing driving members 58 are respectively connected to the two clamping members 57 in a transmission manner, and the pressing parts of the two clamping members 57 are closed together, thereby reducing the outer diameter of the sealing sleeve 53 and the inner diameter of the second conical sealing ring 56, thereby achieving a sealing fit between the second conical sealing ring 56 and the outer wall of the riveted part 3.

[0058] The pressing driving member 58 is a cylinder.

[0059] Furthermore, as a preferred embodiment, the pressing portions of the two clamping members 57 are in a circular ring shape when closed.

[0060] The pressing parts of the plurality of clamping members 57 are in a circular ring shape when closed, and press against the outer wall of the sealing sleeve 53 , so that the second conical sealing ring 56 is in sealing cooperation with the outer wall of the riveted component 3 .

[0061] Since the first distance is greater than the second distance, the sealing sleeve 53 is located directly above the riveted part 3, and the central axis of the sealing sleeve 53 is coaxially arranged with the central axis of the riveted part 3, and both are arranged longitudinally. The inner wall abutment 51 moves downward longitudinally until the sealing sleeve 53 is sleeved on the riveted part 3. At the same time, the first conical sealing ring 55 is squeezed, further improving the sealing performance between the first conical sealing ring 55 and the inner wall of the riveted part 3. At this time, the pressing parts of the multiple clamping parts 57 are closed and pressed against the outer wall of the sealing sleeve 53, further improving the sealing performance between the second conical sealing ring 56 and the outer wall of the riveted part 3.

[0062] Further, as a preferred embodiment, the driving assembly 4 includes: a total driving member 41 and a mounting plate 42, the total driving member 41 is transmission-connected to the mounting plate 42, the driving mounting plate 42 moves along a first direction, and the pressing driving member 58 and the inner wall pressing member 51 are both installed on the mounting plate 42.

[0063] Or the pressing driving member 58 and the inner wall pressing member 51 are installed on the mounting plate 42 through connecting members.

[0064] The main driving member 51 is a cylinder.

[0065] A plurality of clamping mechanisms 2 are mounted on the mounting plate 42 . The plurality of clamping mechanisms 2 are arranged in an array, which may be arranged along a circular array, along a rectangular array, or along a linear array.

[0066] A plurality of clamping mechanisms 2 are installed on the mounting plate 42, and a plurality of riveted parts 3 are positioned on the positioning mechanism 2. The plurality of clamping mechanisms 2 are respectively opposite to the plurality of riveted parts 3. When the main driving member 41 moves downward, the plurality of clamping mechanisms 2 clamp the plurality of riveted parts 3 respectively.

[0067] The sealing sleeve 53 is made of silicone.

[0068] The outer sides of the clamping member 57 and the inner wall abutting member 51 are both covered with a silicone layer.

[0069] The above are only preferred embodiments of the present invention, and are not intended to limit the implementation and protection scope of the present invention.

[0070] The present invention also has the following implementation modes based on the above:

[0071] In further embodiments of the present invention, please continue to refer to Figures 1 to 5 As shown, the processing device also includes: a riveting mechanism, which performs riveting on the riveted parts 3 after electroplating.

[0072] The riveted part 3 is riveted to the nut 9 and connected to other parts through the threads on the nut after riveting.

[0073] In a further embodiment of the present invention, the riveting mechanism comprises: a base assembly 7 and a riveting press 8. The riveting part 3 is positioned on the base assembly 7. The riveting head of the riveting press 8 is arranged directly above the riveting part 3, and a pressure sensor 6 is installed on the riveting head of the riveting press 8.

[0074] In a further embodiment of the present invention, the processing device further comprises: a control system (not shown in the figure). The control system is signal-connected to the pressure sensor and the riveting press, and the pressure parameters of the riveting press 8 are adjusted in real time according to the pressure value detected by the pressure sensor to ensure that the coating on the surface of the riveting part 3 is not damaged.

[0075] In a further embodiment of the present invention, the base assembly 7 comprises: a base 71, a partition plate 72 and a positioning seat 73. The partition plate 72 is arranged directly above the base 71, and the positioning seat 73 is arranged directly above the partition plate 72. A first spring 74 is provided between the partition plate 72 and the base 71 in contact therewith, and a plurality of second springs 75 are provided between the partition plate 72 and the positioning seat 73 in contact therewith. The riveting part 3 after electroplating is positioned on the positioning seat 73, and the plurality of second springs 75 are arranged at equal intervals along the circumferential direction of the riveting part 3.

[0076] The elastic force of the first spring 74 is greater than that of the second spring 75.

[0077] When the riveting press 8 rivets the riveting part 3, the plurality of second springs 75 are first compressed, and further buffering is carried out through the first spring 74. In cooperation with the real-time detection of the pressure sensor 6, the downward stroke and the downward speed of the riveting press 8 are adjusted in real time, thereby preventing the coating from being damaged and improving the qualification rate of the riveting part 3.

[0078] The above are only the preferred embodiments of the present invention, and thus do not limit the implementation manners and the protection scope of the present invention. For those skilled in the art, it should be realized that all the equivalent replacements and obvious changes made by using the description and the illustrations of the present invention should be included in the protection scope of the present invention.

Claims

1. A processing method for press riveting parts with a protective coating, characterized in that, Using a processing device, the processing device includes: a positioning mechanism and a clamping mechanism; One end of the riveted part to be riveted is positioned on the positioning mechanism; The clamping mechanism comprises: a driving component and at least one clamping component, wherein the driving component drives the clamping component to move along a first direction, and the clamping component is used to clamp an end of the riveted part that does not need to be riveted; Each of the clamping components comprises: an inner wall abutment member and an outer wall pressing component, the inner wall abutment member is provided with a sealing sleeve, the end of the sealing sleeve has a receiving groove, and the end of the riveted part that does not need to be riveted extends into the receiving groove; When the sealing sleeve is sleeved on the riveting part, the inner wall abutment member presses against the inner wall of the sealing sleeve; The outer wall pressing component presses against the outer wall of the sealing sleeve; The receiving groove of the sealing sleeve seals the inner and outer sides of the riveted component, so that the sealing sleeve covers the end of the riveted component that does not need to be riveted; The clamping mechanism extends the riveted part in the clamping state into the plating solution for electroplating.

2. The processing method of the press riveting part of the protective coating according to claim 1, characterized in that, The inner wall of the sealing sleeve located at the opening of the receiving groove is provided with at least two first conical sealing rings, and the first conical sealing rings are in sealing cooperation with the inner wall of the riveted part; The outer wall of the sealing sleeve located at the opening of the receiving groove is provided with at least two second conical sealing rings, and the second conical sealing rings are in sealing cooperation with the outer wall of the riveted part; The conical portion of the first conical sealing ring and the conical portion of the second conical sealing ring are sealingly matched with the riveted part.

3. The processing method of the press riveting part of the protective coating according to claim 2, characterized in that, The first direction is the longitudinal direction; The riveted parts are longitudinally positioned; The transverse thickness of the first conical sealing ring is a first distance, and the inner wall of the riveted part and the inner wall of the receiving groove of the sealing sleeve form a second distance in the transverse direction; The first distance is greater than the second distance.

4. The processing method of the press riveting part of the protective coating according to claim 3, characterized in that, The outer wall pressing assembly includes: at least two clamping members and at least two pressing driving members, the two pressing driving members are respectively connected to the two clamping members in a transmission manner, and the pressing parts of the two clamping members are closed together, thereby reducing the outer diameter of the sealing sleeve and the inner diameter of the second conical sealing ring, thereby achieving sealing cooperation between the second conical sealing ring and the outer wall of the riveted part.

5. The processing method of the press riveting part of the protective coating according to claim 4, characterized in that, The pressing parts of the two clamping members are in a circular ring shape when closed.

6. The processing method of the press riveting part of the protective coating according to claim 5, characterized in that, The driving assembly includes: a main driving member and a mounting plate. The main driving member is in driving connection with the mounting plate to drive the mounting plate to move along the first direction. The pressing driving member and the inner wall pressing member are both mounted on the mounting plate.

7. The processing method of the press riveting part of the protective coating according to claim 6, characterized in that, The processing device further comprises: a riveting mechanism, which performs riveting on the riveted parts after electroplating.

8. The processing method of the press riveting part of the protective coating according to claim 7, characterized in that, The riveting mechanism comprises: a base assembly and a riveting press, the riveting part is positioned on the base assembly, a riveting head of the riveting press is arranged directly above the riveting part, and a pressure sensor is installed on the riveting head of the riveting press.

9. The processing method of the press riveting part of the protective coating according to claim 8, characterized in that, The processing device also includes: a control system, which is connected to the pressure sensor and the riveting press signal, and adjusts the pressure parameters of the riveting press in real time according to the pressure value detected by the pressure sensor to ensure that the coating on the surface of the riveted part is not damaged.

10. The processing method of the press riveting part of the protective coating according to claim 9, characterized in that, The base assembly includes: a base, a partition board, and a positioning seat. The partition board is disposed directly above the base, and the positioning seat is disposed directly above the partition board. A first spring is provided between the partition board and the base in an abutting manner, and a plurality of second springs are provided between the partition board and the positioning seat in an abutting manner. The riveting part after electroplating is positioned on the positioning seat, and the plurality of second springs are arranged at equal intervals along the circumferential direction of the riveting part.

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