Nut stamping and riveting device
By designing a stamping and riveting nut device, and using the punch of the stamping machine to rivet the board for rivets, the problem of time-consuming and labor-intensive connection in the prior art is solved, and fast and efficient connection is achieved, reducing labor intensity and cost.
Patent Information
- Application Number
- CN202421268920.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-05
- Publication Date
- 2025-03-14
- Estimated Expiration
- 2034-06-05
AI Technical Summary
When connecting the base plate, side plate and enclosure to the machine, nuts and bolts need to be manually connected, which is time-consuming and labor-intensive, has a high labor intensity, and is complex in assembly process and has high cost.
A punching and rivet nut device is designed to be installed on the press. Through the cooperation of the upper and lower die components, the rivet nuts and the plate are riveted by the punch of the punch to achieve a fast and efficient connection.
It greatly reduces labor intensity and time, reduces work costs, avoids complex welding processes, and realizes a firm connection between the plate and the frame.
Smart Images
Figure CN222608682U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of kitchenware machinery, and more specifically to a punching and riveting nut device. Background Art
[0002] When the bottom plate, side plate, and surrounding plate of the kitchen appliance are connected to the machine body and the adjusting foot, the nuts and bolts are manually connected to determine the position of the nuts on the plate, and then the nuts are spot welded and fixed with a welding machine. Then the bolts are removed and the bottom plate, side plate, and surrounding plate are connected to the adjusting foot or the machine body.
[0003] This method of connecting the nut to the plate is troublesome, time-consuming, and labor-intensive, with high labor intensity for employees, complicated manufacturing, welding, and assembly processes, and high assembly costs. Summary of the invention
[0004] The problem to be solved by the utility model is to provide a punching riveting nut device, which is installed on a press and can conveniently rivet the rivet nut and various plates by punching, thereby greatly reducing labor intensity, shortening labor time and reducing work costs.
[0005] The utility model discloses a punching and riveting nut device, which comprises a lower die installation platform, a lower die assembly, an upper die assembly, an upper die installation base plate and a rivet nut; the upper die installation base plate is fixedly connected with a punch of a punching machine, and the upper die assembly is fixed under the upper die installation base plate; the lower die installation platform is fixed on the punching platform of the punching machine, and the lower die assembly is connected on the lower die installation platform; the rivet nut is placed on the lower die assembly, and the position of the lower die assembly corresponds to that of the upper die assembly.
[0006] Furthermore, the upper die assembly includes an upper die base plate, fixing bolts, an upper die positioning die handle, and an upper die punch head; the upper and lower ends of the positioning die handle are respectively connected to the upper die mounting base plate and the upper die base plate, the fixing bolts fasten the upper die base plate and the upper die mounting base plate, and the upper end of the upper die punch head is connected to the upper die bottom.
[0007] Furthermore, the upper die assembly also includes a hexagon socket bolt, and a threaded hole is provided at the upper end of the upper die punch head. The hexagon socket bolt passes through the hole of the upper die bottom plate and is connected to the threaded hole of the upper die punch head.
[0008] Furthermore, the lower die assembly includes a lower die base plate, a lower die top head, and two lower die base plate pressure plates; the lower die base plate is placed on the lower die mounting platform, the two lower die base plate pressure plates are connected to the lower die mounting platform and press the lower die base plate, the lower section of the lower die top head is connected to the lower die base plate, the upper section of the lower die top head is provided with a blind hole, the shape and size of the blind hole are consistent with the specifications of the rivet nut, and the depth of the blind hole is the difference between the thickness of the rivet nut and the thickness of the plate; the number of lower die top heads is the same as the number of upper die punch heads, and the positions correspond one by one.
[0009] Furthermore, the lower die assembly also includes a lower die head fixing bolt, and a threaded hole is provided at the lower end of the lower die head. The lower die head fixing bolt passes through the hole of the lower die bottom plate and is connected to the threaded hole of the lower die head.
[0010] Furthermore, a plurality of dovetail grooves are provided on the lower die mounting platform, and the lower die bottom plate pressure plate is connected and fastened to the dovetail grooves on the lower die mounting platform through T-bolts.
[0011] The advantages of the utility model are: first, according to the number and position of nuts connecting the bottom plate, side plate, enclosure plate, etc. with the machine body, punching heads and lower die heads are respectively installed on the upper die bottom plate and the lower die bottom plate to achieve simultaneous punching and riveting of the plate with a single rivet nut or multiple rivet nuts; second, by adjusting the spacing between multiple upper die punching heads and multiple lower die heads, the requirements for riveting of plates of different models and specifications can be met. In short, the utility model can conveniently realize the firm connection of the bottom plate, side plate, etc. of dishwashers, steam cabinets, ovens, etc. with the frame, avoiding the complicated work of first assembling, then disassembling and then welding, thereby greatly reducing labor intensity, shortening labor time and reducing work costs. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 Schematic diagram of the upper mold assembly Figure 1 ;
[0013] Figure 2 Schematic diagram of the upper mold assembly Figure 2 ;
[0014] Figure 3 for Figure 2 The front view of the middle and upper mold assembly;
[0015] Figure 4 For along Figure 3 Sectional view along line AA;
[0016] Figure 5 Schematic diagram of the lower mold assembly Figure 1 (Remove the pressure plate);
[0017] Figure 6 Schematic diagram of the lower mold assembly Figure 2 (Remove the pressure plate);
[0018] Figure 7 for Figure 6 The front view of the middle and lower mold components;
[0019] Figure 8 For along Figure 7 Sectional view along the midline BB;
[0020] Fig. 9 It is a schematic diagram of the assembly of the upper die assembly, the upper die mounting base plate and the punching machine;
[0021] Fig.10 It is a schematic diagram of the assembly of the lower die assembly, the lower die mounting platform and the punching machine;
[0022] Fig.11 This is the main view when the rivet nut is pressed on the bottom of the base plate;
[0023] Fig.12 This is the right side view when the rivet nut is pressed on the bottom of the base plate;
[0024] Fig.13 This is a schematic diagram of the rivet nut on the side of the base plate. DETAILED DESCRIPTION
[0025] The technical solution of the utility model will be described clearly and completely below in conjunction with the accompanying drawings and embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0026] Example 1
[0027] from Fig. 9 , Fig.10 , Fig.11 , Fig.12 , Fig.13 It can be seen that the utility model is a punching and riveting nut device, which includes a lower die mounting platform 2, a lower die assembly 3, an upper die assembly 4, an upper die mounting base plate 5, and a rivet nut 6; the upper die mounting base plate 5 is fixedly connected to the punch (not shown in the figure) of the punching machine 1, and the upper die assembly 4 is fixed under the upper die mounting base plate 5; the lower die mounting platform 2 is fixed on the upper punching platform of the punching machine 1, and the lower die assembly 3 is connected to the upper part of the lower die mounting platform 2; the rivet nut 6 is placed on the lower die assembly 3, and the position of the lower die assembly 3 corresponds to that of the upper die assembly 4.
[0028] Before the punching machine 1 works, the position of the rivet nut on the plate to be riveted is determined by the drawing, the punch head is installed on the upper die assembly 4, the top head is installed on the lower die assembly 3 and the rivet nut 6 is placed in the top head, and the position of the lower die assembly 3 is adjusted so that the top head and the punch head are aligned up and down, and then the bottom plate, side plate or enclosure plate is placed on the lower die assembly 3; after the above work is ready, the punching machine 1 works, and the punch drives the upper die to install the bottom plate 5 and the upper die assembly 4 to punch the sheet material downward to achieve riveting between the plate and the rivet nut. Among them, the upper die installation bottom plate 5 can prevent the upper die assembly and the punching machine 1 from wearing and tearing, and prolong the service life of the punching machine 1 and the punching and riveting nut device. When the punching machine is working, the punch moves up and down with the sliders and rails on both sides of the punching machine.
[0029] Example 2
[0030] from Figure 1 , Figure 2 , Figure 3 , Figure 4 , Fig. 9 It can be seen that the utility model is a stamping and riveting nut device: the upper die assembly 4 includes an upper die base plate 401, a fixing bolt 402, an upper die positioning die handle 403, and an upper die punch head 404; the upper and lower ends of the positioning die handle 403 are respectively connected to the upper die mounting base plate 5 and the upper die base plate 401, the fixing bolt 402 fastens the upper die base plate 401 with the upper die mounting base plate 5, and the upper end of the upper die punch head 404 is connected to the upper die base plate 401.
[0031] The upper die bottom plate 401 is positioned with the upper die mounting bottom plate 5 through the upper die positioning die handle 403 and connected with the upper die mounting bottom plate 5 through the fixing bolt 402; when the punch 1 is working, that is, the punch moves downward, it drives the upper die mounting bottom plate 5 and the upper die assembly 4 to punch downward as a whole, and the sheet material and the rivet nut 6 are riveted together through the upper die punch head 404. In the specific punching process, the stroke and pressure of the punch 1 are adjusted according to the thickness of the bottom plate, side plate or enclosure plate.
[0032] Example 3
[0033] from Figure 1 , Figure 2 , Figure 3 , Figure 4 , Fig. 9 It can be seen that the utility model is a stamping and riveting nut device: the upper die assembly 4 also includes a hexagon socket bolt 405, and the upper end of the upper die punch head 404 is provided with a threaded hole, and the hexagon socket bolt 405 passes through the hole of the upper die bottom plate 401 and is connected to the threaded hole of the upper die punch head 404.
[0034] The hexagon socket bolt 405 further improves the connection reliability between the upper die punch head 404 and the upper die bottom plate 401 , and also enables the upper die punch head 404 to be quickly replaced.
[0035] Example 4
[0036] from Figure 5 , Figure 6 , Figure 7 , Figure 8 , Fig.10It can be seen that the utility model is a punching and riveting nut device: the lower die assembly 3 includes a lower die bottom plate 301, a lower die head 302, and two pressure plates 304; the lower die bottom plate 301 is placed on the lower die mounting platform 2, the two pressure plates 304 are connected to the lower die mounting platform 2 and press the lower die bottom plate 301, the lower section of the lower die head 302 is connected to the lower die bottom plate 301, and the upper section of the lower die head 302 is provided with a blind hole, the shape and size of the blind hole are consistent with the specifications of the rivet nut, and the depth of the blind hole is the difference between the thickness of the rivet nut and the thickness of the plate; the number of the lower die heads 302 is the same as the number of the upper die punch heads 404, and the positions correspond one by one.
[0037] After the number and position of the upper die punch heads 404 in the upper die assembly 4 are determined, the lower die top heads 302 of the same number and position are installed on the lower die base plate 301, and the rivet nuts 6 are placed in the blind holes of the lower die top heads 302. Then the lower die base plate 301 is moved on the lower die mounting platform 2 to make the positions of the lower die top heads 302 and the upper die punch heads 404 correspond to each other. Then, the lower die base plate 301 is pressed tightly by two pressing plates 304, and stamping begins.
[0038] Example 5
[0039] from Figure 5 , Figure 6 , Figure 7 , Figure 8 , Fig.10 It can be seen that the utility model is a stamping riveting nut device: the lower die assembly 3 also includes a lower die head fixing bolt 303, and the lower end of the lower die head 302 is provided with a threaded hole. The lower die head fixing bolt 303 passes through the hole of the lower die bottom plate 301 and is connected to the threaded hole of the lower die head 302.
[0040] The lower die head fixing bolt 303 further improves the connection reliability between the lower die head 302 and the lower die bottom plate 301 , and also enables the lower die head 302 to be quickly replaced.
[0041] Example 6
[0042] from Figure 5 , Figure 6 , Figure 7 , Figure 8 , Fig.10 It can be seen that the utility model is a punching and riveting nut device: a plurality of dovetail grooves are provided on the lower die mounting platform 2, and the lower die bottom plate pressure plate 304 is connected and fastened to the dovetail grooves on the lower die mounting platform 2 by T-bolts.
[0043] The dovetail groove facilitates adjustment and positioning of the lower mold bottom plate pressure plate 304 , thereby achieving compression of the lower mold bottom plate 301 .
[0044] The working principle of the punching and riveting nut device of the utility model is as follows: 1. When punching and riveting a single rivet nut 6, firstly, an upper die punching head 404 and a lower die head 302 are respectively installed and fixed on the upper die bottom plate 401 and the lower die bottom plate 301, and the rivet nut 6 is placed in the hole of the lower die head 302; then, the lower die bottom plate 301 is moved so that the lower die head 302 and the upper die punching head 404 are aligned up and down, and the lower die bottom plate 301 is pressed by two pressing plates 304; then, the plate 7 is placed on the lower die bottom plate 301 so that the position to be riveted is aligned with the lower die head 302, and the upper die punching head 404 is pressed downward, so that the plate and the rivet nut 6 can be achieved. Riveting; 2. When punching and riveting multiple rivet nuts 6, first install and fix multiple upper die punch heads 404 and multiple lower die heads 302 on the upper die bottom plate 401 and the lower die bottom plate 301 according to the positions of the rivet nuts on the bottom plate drawing, and place a rivet nut 6 in the hole of each lower die head 302; then move the lower die bottom plate 301 to align the lower die head 302 with the upper die punch head 404 up and down, and press the lower die bottom plate 301 with two pressing plates 304; then place the plate 7 on the lower die bottom plate 301 so that the position to be riveted is aligned with the lower die head 302, and the upper die punch head 404 is punched downward to achieve riveting of the plate and multiple rivet nuts 6.
[0045] from Fig.11 , Fig.12 , Fig.13 It can be seen that when using the utility model: when the bottom of the bottom plate is riveted, the upper die punch head 404 and the lower die head 302 are installed in the middle position of the upper die bottom plate 401 and the lower die bottom plate 301; when the side of the bottom plate and the side plate are riveted, the upper die punch head 404 and the lower die head 302 are installed in the front position of the upper die bottom plate 401 and the lower die bottom plate 301. When the side plate (bottom plate) is riveted, the upper die punch head 404 and the lower die head 302 of the riveted bottom plate (side plate) need to be removed.
[0046] The advantages of the punching and riveting nut device of the utility model are as follows: 1. According to the number and position of nuts connected to the bottom plate, side plate, enclosure plate, etc. and the machine body, punching heads and lower die heads are respectively installed on the upper die bottom plate and the lower die bottom plate to achieve simultaneous punching and riveting of the plate with a single rivet nut or multiple rivet nuts; 2. By adjusting the spacing between multiple upper die punching heads and multiple lower die heads, the requirements of riveting of plates of different models and specifications can be met. In short, the utility model can conveniently realize the firm connection of the bottom plate, side plate, etc. of dishwashers, steam cabinets, ovens, etc. with the frame, avoiding the complicated work of first assembling, then disassembling and then welding, thereby greatly reducing the labor intensity, shortening the labor time and reducing the working cost.
[0047] This embodiment is only a general description, which is not restrictive. The drawings are only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention, they should all fall within the scope of protection of the present invention.
Claims
1. A punching riveting nut device, characterized in that: It comprises a lower die installation platform (2), a lower die assembly (3), an upper die assembly (4), an upper die installation base plate (5), and a rivet nut (6); the upper die installation base plate (5) is fixedly connected to the punch of a punching machine (1), and the upper die assembly (4) is fixed below the upper die installation base plate (5); the lower die installation platform (2) is fixed above the punching platform of the punching machine (1), and the lower die assembly (3) is connected above the lower die installation platform (2); the rivet nut (6) is placed on the lower die assembly (3), and the positions of the lower die assembly (3) and the upper die assembly (4) correspond.
2. A punching and riveting nut device according to claim 1, characterized in that: The upper die assembly (4) comprises an upper die base plate (401), fixing bolts (402), an upper die positioning die handle (403), and an upper die punch head (404); the upper and lower ends of the positioning die handle (403) are respectively connected to the upper die mounting base plate (5) and the upper die base plate (401); the fixing bolts (402) fasten the upper die base plate (401) and the upper die mounting base plate (5); and the upper end of the upper die punch head (404) is connected to the upper die base plate (401).
3. A punching and riveting nut device according to claim 2, characterized in that: The upper die assembly (4) further comprises a hexagon socket bolt (405). A threaded hole is arranged at the upper end of the upper die punch head (404). The hexagon socket bolt (405) passes through the hole of the upper die bottom plate (401) and is connected to the threaded hole of the upper die punch head (404).
4. A punching and riveting nut device according to claim 2, characterized in that: the lower die The assembly (3) comprises a lower die base plate (301), a lower die top head (302), and two lower die base plate pressure plates (304); the lower die base plate (301) is placed on the lower die mounting platform (2); the two lower die base plate pressure plates (304) are connected to the lower die mounting platform (2) and press the lower die base plate (301); the lower section of the lower die top head (302) is connected to the lower die base plate (301); the upper section of the lower die top head (302) is provided with a blind hole; the shape and size of the blind hole are consistent with the specifications of the rivet nut; the depth of the blind hole is the difference between the thickness of the rivet nut and the thickness of the plate; the number of the lower die top heads (302) is the same as the number of the upper die punch heads (404), and the positions correspond one to another.
5. A punching and riveting nut device according to claim 4, characterized in that: the lower die The assembly (3) further comprises a lower die head fixing bolt (303), a threaded hole is arranged at the lower end of the lower die head (302), and the lower die head fixing bolt (303) passes through the hole of the lower die bottom plate (301) and is connected to the threaded hole of the lower die head (302).
6. A punching and riveting nut device according to claim 4, characterized in that: A plurality of dovetail grooves are arranged on the lower die installation platform (2), and the lower die bottom plate pressing plate (304) is connected and fastened to the dovetail grooves on the lower die installation platform (2) via T-bolts.