Riveting device and riveting method

Abstract

A riveting device and a riveting method, the riveting device is used for pressing a target piece into a slot hole of a product, comprising: a bearing jig having a bearing surface, the bearing surface is provided with a riveting station; a riveting module is located above the riveting station, the riveting module comprises: a fixed seat, which is arranged opposite to the bearing jig; an abutting piece is arranged between the fixed seat and the bearing jig, one end of the abutting piece is connected with the fixed seat, and the other end of the abutting piece is used for abutting the product; a stamping piece is movably arranged in the abutting piece and has opposite pushing ends and suction ends, the pushing end is arranged above the suction end, and the suction end is provided with a suction hole; and an elastic piece is arranged between the stamping piece and the abutting piece in the abutting piece; a moving driving piece is arranged on the bearing jig and connected with the fixed seat. The riveting device can avoid the processing error and movement error of the product and the target piece during processing, and the gap between the product and the target piece after the target piece is riveted on the product is small.

Description

TECHNICAL FIELD

[0001] The present application relates to the riveting technical field, and particularly to a riveting device and a riveting method applied to the riveting device. BACKGROUND

[0002] In the mechanical production process, the machining requirement of riveting the target piece in the slot hole of the product is often encountered. At present, the punch is first fixed to the target piece, and then the punch is driven to move towards the slot hole of the product to realize the riveting of the product and the target piece. However, since there are machining errors in the machining of the product and the target piece, and there are also movement errors in the driving of the punch by the driving piece, the target piece is riveted to the product, and the step difference is large, which cannot meet the actual requirements. SUMMARY

[0003] In view of the above situation, it is necessary to provide a riveting device and a riveting method to solve the technical problem of large position step difference after the target piece and the product are riveted.

[0004] Embodiments of the present application provide a riveting device for pressing a target piece into a slot hole of a product, comprising: a bearing jig having a bearing surface for bearing the product, the bearing surface being provided with a riveting station corresponding to the slot hole of the product; a riveting module located above the riveting station, the riveting module comprising: a fixed seat arranged opposite the bearing jig; an abutting piece arranged between the fixed seat and the bearing jig, one end of the abutting piece being connected to the fixed seat, and the other end of the abutting piece being used to abut the product; a stamping piece movably arranged in the abutting piece and having opposite pushing ends and suction ends, the pushing ends being arranged above the suction ends and being used to be pushed to drive the stamping piece to move in the abutting piece, the suction ends being provided with suction holes for suctioning target pieces and being capable of extending out of the abutting piece; and a resilient piece arranged in the abutting piece and abutting between the stamping piece and the abutting piece, used to push the stamping piece after the suction holes suction target pieces, so that the stamping piece drives the target pieces to move into the abutting piece; a moving driving piece arranged on the bearing jig and connected to the fixed seat, used to drive the fixed seat to move towards the bearing jig, so that the abutting piece abuts at the slot hole of the product in the riveting station; wherein the pushing ends of the stamping piece can be pushed when the abutting piece abuts at the slot hole of the product, so that the stamping piece drives the target pieces suctioned by the suction holes to move towards the riveting station relative to the abutting piece and extend out of the abutting piece by the preset distance, thereby pressing the target pieces into the slot hole of the product.

[0005] The riveting device can avoid the problem that the gap between the product and the target piece is large after the target piece is riveted to the product due to the processing error and the movement error of the product and the target piece during processing, and the gap between the product and the target piece after riveting is small, which can meet the actual demand.

[0006] In some embodiments, the abutting piece includes a stepped hole penetrating through opposite ends thereof, and the punching piece includes: a stepped section arranged in the stepped hole and matched with the shape of the stepped hole; and a pushing section arranged above the abutting piece and connected with the stepped section, wherein the suction end is arranged at one end of the stepped section away from the pushing section, and the pushing end is arranged at one end of the pushing section away from the stepped section.

[0007] In some embodiments, the stepped hole includes a first accommodating hole, a second accommodating hole and a third accommodating hole with diameters decreasing in sequence and being communicated, an abutting plane is arranged at the stepped portion of the first accommodating hole and the second accommodating hole, the first accommodating hole penetrates through the top end of the abutting piece, and the third accommodating hole penetrates through the bottom end of the abutting piece; the stepped section includes a first punching part, a second punching part and a third punching part with diameters decreasing in sequence and being connected, the size of the first punching part is matched with the first accommodating hole, the size of the second punching part is matched with the second accommodating hole, the size of the third punching part is matched with the third accommodating hole, and the suction end is arranged at one end of the third punching part away from the second punching part; wherein the elastic member is arranged in the first accommodating hole, and the two ends of the elastic member abut against the first punching part and the abutting plane respectively, so that the punching piece drives the target piece to move into the third accommodating hole.

[0008] In some embodiments, a limiting inclined surface is arranged at the stepped portion of the second accommodating hole and the third accommodating hole, and a limiting chamfer is arranged at one end of the second punching part close to the third punching part, and the limiting chamfer is used to abut against the limiting inclined surface when the punching piece drives the target piece to move the preset distance towards the riveting station.

[0009] In some embodiments, a limiting part is protruded on the outer side wall of the pushing section, one end of the suction hole away from the suction end penetrates through the stepped section and the limiting part in sequence and is communicated with the external air source; the riveting module further includes a compression member arranged between the abutting piece and the limiting part and abutting against the abutting piece and the limiting part at two ends thereof, so that the punching piece and the target piece move into the abutting piece.

[0010] In some embodiments, the fixing base is provided with a receiving groove, and opposite groove walls of the receiving groove are respectively provided with a movable slot. The riveting device further comprises a movable member connected to the pushing end of the stamping member and comprising a movable part arranged in the receiving groove. Two ends of the movable part extend into the corresponding movable slots and are vertically movable in the movable slots, so that the stamping member drives the target member to move relative to the abutting member. The limiting part and the compression member are both arranged in the receiving groove. The movable member pushes the pushing end of the stamping member to make the stamping member extend out of the abutting member to adsorb the target member or rivet the adsorbed target member in the slot hole of the product. The compression member can elastically push the stamping member and the movable member to reset.

[0011] In some embodiments, the third receiving hole is provided with a guide surface at an end away from the second receiving hole, so as to guide the position of the target member when the stamping member drives the target member to move into the third receiving hole.

[0012] In some embodiments, the fixing base comprises a supporting part connected to the moving driving member and the abutting member, respectively, so that the moving driving member drives the abutting member and the stamping member to move through the supporting part. A clamping part is arranged above the supporting part and is used to clamp both ends of the movable part and limit the movement range of the movable part. The receiving groove is arranged on the supporting part and the clamping part, and the movable slot is arranged on the clamping part.

[0013] In some embodiments, the riveting device further comprises a guide member. One end of the guide member is fixedly connected to the bearing jig, and the other end of the guide member is movably arranged in the supporting part, so as to guide the movement of the fixing base.

[0014] Embodiments of the present application also propose a riveting method based on the above-mentioned riveting device, comprising the following steps: moving the stamping member to take the target member; driving the stamping member to move the target member to a predetermined distance in the abutting member under the action of the elastic member; moving the abutting member towards the product, so that the abutting member abuts at the slot hole of the product; pushing the stamping member to move towards the product relative to the abutting member by the predetermined distance, so that the stamping member presses the target member into the slot hole of the product.

[0015] The riveting method can avoid processing error and movement error by corresponding the preset distance with the step difference, the step difference after the target piece is riveted to the product is small, and actual demand can be met. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a perspective structural schematic view of a riveting device provided by an embodiment of the present application.

[0017] Figure 2 is Figure 1 is a perspective structural schematic view of a product and a target piece to which the riveting device in the embodiment is applicable.

[0018] Figure 3 is Figure 1 is a sectional structural schematic view of the riveting device along the III-III line in the embodiment.

[0019] Figure 4 is Figure 1 is a sectional structural schematic view of the riveting device along the IV-IV line in the embodiment.

[0020] Figure 5 is Figure 1 is an exploded structural schematic view of the riveting device in the embodiment.

[0021] Figure 6 is Figure 3 is an enlarged view of the riveting device in the embodiment at VI.

[0022] Figure 7 is a flowchart of a riveting method provided by an embodiment of the present application.

[0023] Figure 8 is Figure 7 is a sectional structural schematic view of a riveting device to which the riveting method in the embodiment is applicable, in which a butt piece is butted against a slot hole of a product.

[0024] Figure 9 is Figure 7 is a sectional structural schematic view of a riveting device to which the riveting method in the embodiment is applicable, in which a stamping piece presses a target piece into a slot hole of a product with a preset force.

[0025] MAIN ELEMENT SYMBOL EXPLANATION

[0026] riveting device 100

[0027] carrying jig 10

[0028] carrying surface 11

[0029] Riveting station 12

[0030] Positioning portion 13

[0031] Positioning cavity 14

[0032] Riveting module 20

[0033] Fixed seat 21

[0034] Accommodating groove 211

[0035] Movable groove 212

[0036] Supporting portion 213

[0037] Clamping portion 214

[0038] Abutting member 22

[0039] Limiting surface 220

[0040] Step hole 221

[0041] First accommodating hole 2211

[0042] Second accommodating hole 2212

[0043] Third accommodating hole 2213

[0044] Abutting plane 2214

[0045] Limiting inclined surface 2215

[0046] Correcting surface 2216

[0047] Stamping part 23

[0048] Pushing end 231

[0049] Suction end 232

[0050] Suction hole 233

[0051] Step section 234

[0052] First stamping portion 2341

[0053] Second stamping portion 2342

[0054] Third stamping portion 2343

[0055] Limiting chamfer 2344

[0056] Pushing section 235

[0057] Limiting portion 2351

[0058] Elastic member 24

[0059] compression member 25

[0060] bushing 26

[0061] pipe joint 27

[0062] moving member 28

[0063] moving portion 281

[0064] moving drive member 30

[0065] guide member 40

[0066] target member 200

[0067] product 300

[0068] slot 310

[0069] first hole 311

[0070] second hole 312 DETAILED DESCRIPTION

[0071] Embodiments of the present application are described below in detail with reference to the accompanying drawings, wherein like or similar elements are denoted by like or similar reference symbols throughout the drawings. The embodiments described below are exemplary only, and are not intended to limit the present application.

[0072] The following disclosure provides many different embodiments, or examples, for implementing different structures of the present application. For purposes of explanation and non- limitation, specific details of certain examples are set forth. Of course, many variations on these specific details will be readily apparent to those skilled in the art, and the general principles defined herein can be applied to other variations as well. Furthermore, the examples described below are provided solely to explain the present application and should not be considered as limiting the present application. Additionally, the present application can be used in different examples without departing from the scope of the present application.

[0073] Referring to Figure 1 and Figure 2 , an embodiment of the present application provides a riveting device 100 for riveting a target member 200 to a product 300, the product 300 having a slot 310, the riveting device 100 comprising a carrier jig 10, a riveting module 20, and a moving drive member 30, the carrier jig 10 configured to carry the product 300, the moving drive member 30 configured to move the riveting module 20 towards or away from the carrier jig 10, and the riveting module 20 configured to attract the target member 200 and to press the target member 200 into the slot 310 of the product 300.

[0074] Please refer to Figure 1 , Figure 2 and Figure 3 , the carrying jig 10 has a carrying surface 11 for carrying the product 300, and the carrying surface 11 is provided with a riveting station 12 corresponding to the slot hole 310 of the product 300. The riveting module 20 is located above the riveting station 12, and the riveting module 20 includes a fixed seat 21, an abutting piece 22, a stamping piece 23 and an elastic piece 24; the fixed seat 21 is arranged opposite to the carrying jig 10; the abutting piece 22 is arranged between the fixed seat 21 and the carrying jig 10, one end of the abutting piece 22 is connected with the fixed seat 21, and the other end of the abutting piece 22 is used for abutting the product 300; the stamping piece 23 is movably arranged in the abutting piece 22 and has opposite pushing end 231 and suction end 232, the pushing end 231 is arranged above the suction end 232 and is used for being pushed to drive the stamping piece 23 to move in the abutting piece 22, the suction end 232 is provided with a suction hole 233 for suctioning the target piece 200 and can extend out of the abutting piece 22; the elastic piece 24 is arranged in the abutting piece 22 and abuts between the stamping piece 23 and the abutting piece 22, and is used for pushing the stamping piece 23 after the target piece 200 is suctioned in the suction hole 233, so that the stamping piece 23 drives the target piece 200 to move into the abutting piece 22. The moving driving piece 30 is arranged on the carrying jig 10 and connected with the fixed seat 21, and is used for driving the fixed seat 21 to move towards the carrying jig 10, so that the abutting piece 22 abuts at the slot hole 310 of the product 300 of the riveting station 12. The pushing end 231 of the stamping piece 23 can be pushed when the abutting piece 22 abuts at the slot hole 310 of the product 300, so that the stamping piece 23 drives the target piece 200 suctioned by the suction hole 233 to move towards the riveting station 12 relative to the abutting piece 22 and extend out of the abutting piece 22 by a preset distance, so as to press the target piece 200 into the slot hole 310 of the product 300.

[0075] The riveting device 100 can avoid the problem that the step difference between the product 300 and the target piece 200 is large after the target piece 200 is riveted on the product 300 due to the machining error and the movement error of the product 300 and the target piece 200 during the machining, and the riveting device 100 can meet the actual demand and will not produce riveting marks on the product 300 after the target piece 200 is riveted on the product 300.

[0076] Please refer to Figure 2 For example, the target piece 200 is a D-shaped nut, and the product 300 is a shell of an electronic device. The sidewall of the product 300 is provided with a plurality of groove holes 310, and the target piece 200 is riveted in the corresponding groove hole 310 on the product 300 by the riveting device 100.

[0077] Please refer to Figure 2 The groove hole 310 includes a first hole 311 and a second hole 312 arranged from bottom to top, the second hole 312 is communicated with the first hole 311, and the diameter of the second hole 312 is larger than that of the first hole 311. In use, the fixed seat 21 is first moved towards the bearing jig 10 by the movement driving piece 30, so that the abutting piece 22 abuts against the step between the first hole 311 and the second hole 312, and then the target piece 200 is pressed into the first hole 311 by the punch 23.

[0078] When the riveting module 20 rivets the target piece 200, a preset riveting external force is provided, the punch 23 moves towards the product relative to the abutting piece 22 under the action of the riveting external force, and extends out of the abutting piece 22 by a preset distance, so as to rivet the target piece 200 in the groove hole 310 of the product 300. The riveting external force can ensure that the punch 23 rivets the target piece 200 in the second hole 312, and will not cause the step surface between the first hole 311 and the second hole 312 to be crushed; the preset distance is less than or equal to the theoretical step difference between the product 300 and the target piece 200, and meets the forging step difference requirement.

[0079] Please refer to Figure 3 and Figure 4In the embodiment, the suction end 232 is provided with two suction holes 233. It can be understood that in other embodiments, the suction end 232 can be provided with one or three or four suction holes 233, but is not limited thereto, as long as the target piece 200 can be sucked up.

[0080] In the embodiment, the moving driving member 30 is a sliding table, which can drive the riveting and pressing die set 20 to ascend or descend, so as to suck the target piece 200 and press the target piece 200 into the slot hole 310 of the product 300.

[0081] In the embodiment, one end of the abutting member 22 has a limiting surface 220 for abutting the step of the first hole 311 and the second hole 312 of the product 200, and the limiting surface 220 is a plane. The elastic member 24 is in a relaxed state when the limiting surface 220 of the abutting member 22 just abuts the step of the first hole 311 and the second hole 312, the suction end 232 of the punching member 23 is located in the abutting member 22, and part of the target piece 200 is located in the abutting member 22. The elastic member 24 is in a compressed state after the target piece 200 is riveted and pressed, the suction end 232 of the punching member 23 protrudes a predetermined distance from the limiting surface 220 of the abutting member 22, and the target piece 200 is entirely located in the first hole 311.

[0082] Please continue to see Figure 1 The bearing surface 11 is provided with a plurality of positioning portions 13 at intervals, the positioning portions 13 are block-shaped structures, the plurality of positioning portions 13 are arranged in a rectangular shape and form positioning cavities 14, and the positioning cavities 14 are used for positioning the product 300.

[0083] Please see Figure 3 The abutting member 22 includes a stepped hole 221 penetrating through opposite ends thereof, and the punching member 23 includes a stepped section 234 and a pushing section 235, the stepped section 234 is arranged in the stepped hole 221 and is matched with the shape of the stepped hole 221. The pushing section 235 is arranged above the abutting member 22 and is connected with the stepped section 234; wherein the suction end 232 is arranged at one end of the stepped section 234 away from the pushing section 235, and the abutting end 231 is arranged at one end of the pushing section 235 away from the stepped section 234. In this way, by pushing the pushing section 235, the stepped section 234 can drive the target piece 200 sucked by the suction hole 233 to move relative to the abutting member 22 towards the riveting and pressing station 12 and protrude out of the abutting member 22 by a predetermined distance, so as to press the target piece 200 into the slot hole 310 of the product 300.

[0084] Please see Figure 4The stepped hole 221 comprises a first accommodating hole 2211, a second accommodating hole 2212 and a third accommodating hole 2213 with gradually decreasing diameters and being connected, and an abutting plane 2214 is arranged at the stepped position of the first accommodating hole 2211 and the second accommodating hole 2212. The first accommodating hole 2211 penetrates the top end of the abutting member 22, and the third accommodating hole 2213 penetrates the bottom end of the abutting member 22. The stepped section 234 comprises a first punching section 2341, a second punching section 2342 and a third punching section 2343 with gradually decreasing diameters and being connected, the size of the first punching section 2341 is adapted to the first accommodating hole 2211, the size of the second punching section 2342 is adapted to the second accommodating hole 2212, the size of the third punching section 2343 is adapted to the third accommodating hole 2213, and the suction end 232 is arranged at the end of the third punching section 2343 away from the second punching section 2342. The elastic member 24 is arranged in the first accommodating hole 2211, and the two ends of the elastic member 24 abut against the first punching section 2341 and the abutting plane 2214 respectively, so that the punching member 23 drives the target member 200 to move into the third accommodating hole 2213. In this way, the first punching section 2341 can move in the first accommodating hole 2211, the second punching section 2342 can move in the second accommodating hole 2212, and the third punching section 2343 can move in the third accommodating hole 2213 by pushing the pushing section 235, so that the target member 200 sucked by the suction hole 233 of the suction end 232 moves towards the riveting station 12 relative to the abutting member 22 and extends out of the abutting member 22 by a preset distance, so as to press the target member 200 into the slot hole 310 of the product 300, and after the target member 200 is pressed into the slot hole 310, the elastic member 24 can reset the first punching section 2341, the second punching section 2342 and the third punching section 2343. In this embodiment, the elastic member 24 is a spring.

[0085] The stepped position of the second accommodating hole 2212 and the third accommodating hole 2213 is provided with a limiting inclined surface 2215, and the end of the second punching section 2342 close to the third punching section 2343 is provided with a limiting chamfer 2344, which is used to abut against the limiting inclined surface 2215 when the punching member 23 drives the target member 200 to move towards the riveting station 12. In this way, the movement distance of the punching member 23 can be limited by the cooperation of the limiting inclined surface 2215 and the limiting chamfer 2344.

[0086] Please refer to Figure 4 and Figure 5, a limiting portion 2351 is protruded on the outer side wall of the abutting portion 235, and the limiting portion 2351 is in a ring structure. The riveting and pressing module 20 further comprises a compression member 25, which is arranged between the abutting member 22 and the limiting portion 2351 and has two ends abutting against the abutting member 22 and the limiting portion 2351 respectively. In this way, through the cooperation of the compression member 25 and the elastic member 24, the stamping member 23 and the target member 200 can be moved into the abutting member 22, and the collision between the limiting portion 2351 and the abutting member 22 can be avoided. In the embodiment, the compression member 25 is a butterfly spring.

[0087] In the riveting and pressing process, initially, the elastic member 24 and the compression member 25 are in a relaxed state, and part of the target member 200 is located in the abutting member 22. First, the moving driving member 30 is driven to move the fixed seat 21 towards the bearing fixture 10, so that the abutting member 22 and the stamping member 23 are both moved towards the slot hole 310 of the product 300. Then, when the limiting surface 220 of the abutting member 22 abuts against the step between the first hole 311 and the second hole 312 of the product 200, the abutting member 22 stops moving, and at this time, part of the target member 200 is located in the abutting member 22. After that, the abutting end 231 of the stamping member 23 is subjected to a downward force, and the elastic member 24 and the compression member 25 are compressed. The stamping member 23 drives the target member 200 to continue to extend into the first hole 311 by a preset distance, so as to rivet and press the target member 200 in the first hole 311. Finally, the force applied to the stamping member 23 is removed, the elastic member 24 and the compression member 25 are reset, the abutting end 231 of the stamping member 23 re-extends into the abutting member 22, and then the moving driving member 30 drives the fixed seat 21 to move away from the bearing fixture 10, so that the abutting member 22 and the stamping member 23 are reset.

[0088] In some embodiments, as shown in Figure 4 , the riveting and pressing module 20 further comprises a bushing 26, which is arranged on the hole wall of the first accommodating hole 2211, and the first stamping portion 2341, part of the second stamping portion 2342 and the elastic member 24 are arranged in the bushing 26. The bushing 26 is made of flexible material, such as silica gel, which can protect the first stamping portion 2341 in the first accommodating hole 2211 from directly contacting the hole wall of the first accommodating hole 2211.

[0089] In some embodiments, as shown in Figure 4 , the riveting and pressing module 20 further comprises a pipe joint 27. One end of the suction hole 233 penetrates through the third stamping portion 2343 for suction of the target member 200. The other end of the suction hole 233 penetrates through the second stamping portion 2342, the first stamping portion 2341 and the limiting portion 2351 in sequence and communicates with the pipe joint 27. The other end of the pipe joint 27 is used for connecting with a gas source, so that the suction hole 233 can vacuum-suck the target member 200, or loosen the target member 200 after the target member 200 is pressed into the screw hole 310.

[0090] Please refer toFigure 5 The fixed seat 21 is provided with a containing groove 211, and the opposite groove walls of the containing groove 211 are respectively provided with a movable groove 212. The riveting device 100 further comprises a movable piece 28, which is connected with the pushing end 231 and comprises a movable part 281 arranged in the containing groove 211. The two ends of the movable part 281 extend into the corresponding movable groove 212 and can move vertically in the movable groove 212, so that the stamping piece 23 drives the target piece 200 to move. The limiting part 2351 and the compression piece 25 are both arranged in the containing groove 211. The pushing end 231 of the movable piece 28 pushes the stamping piece 23 so that the stamping piece 23 extends to abut the target piece 200 or rivets the target piece 200 in the groove hole 310 of the product 300. The compression piece 25 can elastically push the stamping piece 23 and the movable piece 28 to reset.

[0091] Specifically, the fixed seat 21 comprises a supporting part 213 and a clamping part 214. The supporting part 213 is connected with the moving driving piece 30 and the abutting piece 22 respectively, so that the moving driving piece 30 drives the abutting piece 22 and the stamping piece 23 to move through the supporting part 213. The clamping part 214 is arranged above the supporting part 213 and is used for clamping the two ends of the movable part 281 and limiting the movement range of the movable part 281. The containing groove 211 is arranged on the supporting part 213 and the clamping part 214, and the movable groove 212 is arranged on the clamping part 214. In this embodiment, the supporting part 213 is a U-shaped block structure. The clamping part 214 comprises two block structures, and the two block structures are arranged at the two ends of the supporting part 213.

[0092] Please refer to Figure 1 and Figure 5 The riveting device 100 further comprises a guide piece 40. One end of the guide piece 40 is fixedly connected with the bearing jig 10, and the other end of the guide piece 40 is movably arranged in the supporting part 213 and is used for guiding the movement of the fixed seat 21. In this embodiment, the guide piece 40 is two guide columns.

[0093] Please refer to Figure 6 The third containing hole 2213 is provided with a guide surface 2216 away from the second containing hole 2212. The guide surface 2216 is a tapered surface, which is used for guiding the position of the target piece 200 when the stamping piece 23 drives the target piece 200 to move into the third containing hole 2213, so as to position the target piece 200, and the positioning precision is high.

[0094] In this embodiment, the angle between the generatrix of the guide surface 2216 and the vertical direction is 10 to 20 degrees. In this way, the target piece 200 can be conveniently guided into the third containing hole 2213, and the position of the target piece in the third containing hole 2213 can be corrected, so as to improve the riveting precision.

[0095] The process of adsorbing and grabbing the target piece 200 by the riveting and pressing module 20 is as follows: the riveting and pressing module 20 moves to the upper end of the target piece 200, the stamping piece 23 moves downward relative to the abutting piece 22 under the action of the riveting external force and extends the abutting piece 22, so as to adsorb and grab the target piece 200 through the adsorption hole 233; after adsorbing the target piece 200, the stamping piece 23 moves upward relative to the abutting piece 22 under the action of the riveting external force and drives the target piece 200 to partially enter the abutting piece 22, while the guide surface 2216 automatically guides the position of the target piece 200, so as to realize adsorption and grabbing and precise positioning of the target piece 200.

[0096] Please refer to Figure 7 , the embodiment of the application also provides a riveting and pressing method applied to the riveting and pressing device 100 in the embodiment of the application, and the method comprises the following steps. Figures 1 to 6

[0097] S201, moving the stamping piece 23 to the target piece 200.

[0098] S202, moving the stamping piece 23 to the abutting piece 22 under the action of the elastic piece 24 and driving the target piece 200 to move to the abutting piece 22.

[0099] Wherein, after moving the target piece 200, the stamping piece 23 drives the target piece 200 to move to the abutting piece 22 under the action of the elastic piece 24 and the compression piece 25, at this time, part of the target piece 200 is located in the abutting piece 22, and in the process of moving the target piece 200 to the abutting piece 22, the guide surface 2216 of the third accommodating hole 2213 of the abutting piece 22 away from the second accommodating hole 2212 can be used for centering positioning of the target piece 200, so as to adjust the position of the target piece 200.

[0100] S203, moving the abutting piece 22 to the product 300, so that the abutting piece 22 abuts at the slot hole 310 of the product 300.

[0101] Wherein, please refer to Figure 8 , the fixed seat 21 and the abutting piece 22 move to the product 300 under the driving action of the moving driving piece 30, so that the limiting surface 220 of the abutting piece 22 abuts at the step of the first hole 311 and the second hole 312 of the product 300, in this process, there is no relative movement between the fixed seat 21 and the movable piece 28, at this time, the upper surface of the movable part 281 of the movable piece 281 abuts at the upper groove wall of the movable groove 212, there is a gap between the lower surface of the movable part 281 and the lower groove wall of the movable groove 212, the elastic piece 24 and the compression piece 25 are in a relaxed state, and part of the target piece 200 is located in the third accommodating hole 2213 of the abutting piece 22.

[0102] ​S204, the pushing punch 23 moves relative to the abutting piece 22 towards the product 300 and extends the abutting piece 22 by a preset distance, so that the punch 23 presses the target piece 200 into the slot hole 310 of the product 300 with a preset force.

[0103] Wherein, please refer to Figure 9 The riveting cylinder (not shown in the figure) pushes the punch 23 in the abutting piece 22 to move relative to the abutting piece 22 towards the product 300 and extend the abutting piece 22 by a preset distance, so that the target piece 200 and the product 300 are riveted, at this time, there is a gap between the upper surface of the movable part 281 and the upper groove wall of the movable groove 212, the lower surface of the movable part 281 abuts against the lower groove wall of the movable groove 212, and the elastic piece 24 and the compression piece 25 are in compression state.

[0104] Wherein, the preset force is an external riveting force applied to the punch 23, and the preset force is less than the force for collapsing the product.

[0105] The riveting method described above moves the punch 23 to the abutting piece 22 after the target piece 200 is removed by the elastic piece 24, moves the abutting piece 22 towards the product 300, so that the abutting piece 22 abuts against the slot hole 310 of the product 300, and moves the punch 23 in the abutting piece 22 relative to the abutting piece 22 towards the product 300 and extends the abutting piece 22 by a preset distance, so that the punch 23 presses the target piece 200 into the slot hole 310 of the product 300 with a preset force. By controlling the preset distance, the processing error and the movement error of the product 300 and the target piece 200 during processing can be avoided, and the problem that the step difference between the product 300 and the target piece 200 after riveting is large can be avoided. The step difference between the product 300 and the target piece 200 after riveting is small, which can meet the actual demand.

[0106] The riveting device 100 and the riveting method can complete adsorption, grabbing, precise positioning, riveting and control of the step difference at the same time according to the structure of the target piece 200. The target piece 200 is sucked up through the two adsorption holes 233 on the punch 23, and is automatically centered and positioned through the guide surface 2216 away from one end of the second containing hole 2212. The positioning precision is high, the structure is simple, and the processing is easy.

[0107] It will be apparent to those skilled in the art that the application is not limited to the details of the above-exemplified embodiments and that the present application can be implemented in other particular forms without departing from the spirit or essential characteristics thereof. The embodiments should be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the above description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims

1. A riveting device for pressing a target member into a slot of a product, characterized by, The utility model relates to a riveting device for riveting product, comprising: a bearing jig having a bearing surface for bearing the product, the bearing surface being provided with a riveting station corresponding to the slot hole of the product; a riveting module located above the riveting station, the riveting module comprising: a fixed seat arranged opposite to the bearing jig; an abutting member arranged between the fixed seat and the bearing jig, one end of the abutting member being connected to the fixed seat, the other end of the abutting member being used for abutting the product, the abutting member comprising a stepped hole penetrating through opposite ends of the abutting member, the stepped hole comprising first, second and third accommodating holes with diameters decreasing in sequence and being in communication, a abutting plane being arranged at the step of the first and second accommodating holes, the first accommodating hole penetrating through the top end of the abutting member, the third accommodating hole penetrating through the bottom end of the abutting member; a stamping member movably arranged in the abutting member and having opposite pushing and adsorbing ends, the pushing end being arranged above the adsorbing end and being used for being pushed to drive the stamping member to move in the abutting member, the adsorbing end being provided with an adsorbing hole for adsorbing a target member and being capable of extending out of the abutting member, the stamping member comprising a stepped section and a pushing section, the stepped section being arranged in the stepped hole and comprising first, second and third stamping parts with diameters decreasing in sequence and being connected, the size of the first stamping part being adapted to the first accommodating hole, the size of the second stamping part being adapted to the second accommodating hole, the size of the third stamping part being adapted to the third accommodating hole, the adsorbing end being arranged at one end of the third stamping part away from the second stamping part, the pushing section being arranged above the abutting member and being connected to the stepped section, the pushing end being arranged at one end of the pushing section away from the stepped section; and a resilient member arranged in the first accommodating hole, two ends of the resilient member abutting the first stamping part and the abutting plane respectively, the resilient member being used for pushing the stamping member after the adsorbing hole adsorbing the target member, so that the stamping member drives the target member to move to the third accommodating hole; and a moving driving member arranged on the bearing jig and connected to the fixed seat, the moving driving member being used for driving the fixed seat to move towards the bearing jig, so that the abutting member abuts at the slot hole of the product at the riveting station; wherein the pushing end of the stamping member can be pushed when the abutting member abuts at the slot hole of the product, so that the stamping member drives the target member adsorbed by the adsorbing hole to move relative to the abutting member towards the riveting station and to extend out of the abutting member by a preset distance, thereby pressing the target member into the slot hole of the product.

2. The swaging device of claim 1, wherein Limiting inclined surfaces are arranged at the steps of the second and third accommodating holes, and a limiting chamfer is arranged at one end of the second stamping part close to the third stamping part, the limiting chamfer being used for abutting the limiting inclined surface when the stamping member drives the target member to move towards the riveting station by the preset distance.

3. The swaging device of claim 1, wherein A limiting portion is protruded on the outer side wall of the pushing section, and one end of the adsorbing hole away from the adsorbing end penetrates through the stepped section and the limiting portion in sequence and communicates with an external air source. The riveting die set further comprises: A compression member arranged between the abutting member and the limiting portion and abutting the abutting member and the limiting portion at both ends thereof to move the punching member and the target member into the abutting member.

4. The swaging device of claim 3, wherein The fixing seat is provided with a containing groove, and opposite groove walls of the containing groove are respectively provided with movable grooves. The movable member is connected with the pushing end and comprises a movable portion arranged in the containing groove, and both ends of the movable portion extend into the movable grooves and can move vertically in the movable grooves to move the target member relative to the abutting member driven by the punching member. The limiting portion and the compression member are located in the containing groove, the pushing end of the punching member is pushed by the movable member to make the punching member extend out of the abutting member to adsorb the target member or rivet the adsorbed target member in the slot hole of the product, and the compression member can elastically push the punching member and the movable member to reset.

5. The swaging device of claim 4, wherein, The third containing hole is provided with a guide surface at an end away from the second containing hole to guide the position of the target member when the punching member moves the target member into the third containing hole.

6. The swaging device of claim 4, wherein, The fixing seat comprises: A supporting portion connected with the moving driving member and the abutting member to move the abutting member and the punching member through the supporting portion; A clamping portion arranged above the supporting portion to clamp both ends of the movable portion and limit the movement range of the movable portion. The containing groove is arranged on the supporting portion and the clamping portion, and the movable groove is arranged on the clamping portion.

7. The swaging device of claim 6, wherein, The riveting device further comprises: A guide member, one end of the guide member is fixedly connected with the bearing jig, and the other end of the guide member is movably arranged in the supporting portion to guide the movement of the fixing seat.

8. A riveting method based on the riveting device according to any one of claims 1 to 7, characterized in that The method comprises the following steps: Moving the punching member to take the target member; Moving the punching member to move the target member into the abutting member under the action of the elastic member; Moving the abutting member towards the product to abut the slot hole of the product; Pushing the punching member to move towards the product relative to the abutting member and extending out of the abutting member by a preset distance to make the punching member press the target member into the slot hole of the product.

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