Conical rivet pressing die

By introducing an automatic feeding device and an electromagnetic sensor into the riveting die, the problems of low efficiency and equipment wear caused by manual feeding have been solved, realizing automated production and reliable measurement, and improving production efficiency and product quality.

CN223655966UActive Publication Date: 2025-12-12TIANJIN PUTIAN STARTER DRIVE CO LTD
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Patent Information

Application Number
CN202520008322.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-03
Publication Date
2025-12-12
Estimated Expiration
2035-01-03

AI Technical Summary

Technical Problem

Existing riveting dies require manual material cutting, which makes the operation cumbersome, inefficient, and distracting, making it difficult to meet mass production needs.

Method used

A conical riveting die was designed, equipped with an automatic feeding device and a counting device. It combines an electromagnetic sensor and an operational amplifier to achieve automated metering, and is equipped with a protective structure and a buffer device to reduce equipment wear.

Benefits of technology

It has achieved automated material feeding and counting, improved production efficiency, reduced manual operation steps, ensured data reliability and product protection, and avoided equipment damage.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of pressing rivet dies, in particular to a conical pressing rivet die which comprises a die operation table and a U-shaped installation frame, the U-shaped installation frame is arranged on the upper surface of the U-shaped installation frame, and the conical pressing rivet die is characterized in that a control device is further arranged on the vertical plane outside the U-shaped installation frame, and a pair of rectangular installation plates is further arranged on the inner ring of the U-shaped installation frame. Wherein a lower cushion plate is arranged on the upper surface of one rectangular installation plate, a lower pressing head fixing plate is further arranged on the upper surface of the lower cushion plate, a lower pressing head is installed on the upper surface of the lower pressing head fixing plate, and an automatic discharging device is further arranged on the upper surface of the die operation table and comprises an L-shaped installation plate and a rectangular loading plate. The automatic discharging device is controlled through lifting of the rectangular mounting plate, the automatic discharging device can directly save the manual material collecting process and time, operation is simplified, the number of operation steps of workers is reduced, and the production efficiency of products is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of pressure riveting mould technical field, especially a kind of conical pressure riveting mould. BACKGROUND

[0002] With the fine and efficient development of industrial manufacturing, such as in electronic equipment manufacturing, automobile parts production, aerospace and other fields, higher requirements are put forward for the precision, efficiency and quality stability of riveting. In electronic equipment, a large number of small parts need to be accurately riveted to ensure the reliability and miniaturization of the equipment. The core principle of the riveting technology is to make the rivet plastically deform under the action of the mold by pressure, thereby realizing fastening connection. The rudiment of this technology is to use a simple mechanical pressure device to apply vertical pressure to the rivet, making one end of the rivet deform and fill in the hole of the connecting piece. Compared with traditional riveting, it can more accurately control the deformation process of the rivet.

[0003] Early riveting mainly uses ordinary solid rivets and simple riveting tools. This method has many problems in some complex industrial manufacturing scenarios. For the riveting of thin plate materials, ordinary rivets may cause excessive deformation of the plate, because a large impact force is needed to deform the rivet during riveting to achieve fastening, which can easily cause indentation or warping for thinner materials, affecting the appearance and quality of the product.

[0004] In the existing pressure riveting mold, for example: CN201720569057.2 A pressure riveting mold for stamping parts, the above case needs to be manually unloaded after operation, and the manual unloading method is more cumbersome in operation, takes longer, is not suitable for mass production, and the manual unloading method also slows down the production efficiency of the product, and long-time manual material taking also causes the phenomenon of distraction of the workers. UTILITY MODEL CONTENTS

[0005] In view of the above problems in the existing pressure riveting mold, for example: CN201720569057.2 A pressure riveting mold for stamping parts, the above case needs to be manually unloaded after operation, and the manual unloading method is more cumbersome in operation, takes longer, is not suitable for mass production, and the manual unloading method also slows down the production efficiency of the product, and long-time manual material taking also causes the phenomenon of distraction of the workers.

[0006] To solve the above technical problems, the utility model provides the following technical scheme: to achieve the above purpose, the utility model provides the following technical scheme:

[0007] As a preferred scheme of the conical pressure riveting die, the lower surface of the L-shaped mounting plate is provided with a rectangular mounting strip, the inclined surface of the rectangular loading plate is further provided with a pair of L-shaped connecting plates, and a U-shaped guide frame is further arranged between the pair of rectangular loading plates.

[0008] As a preferred scheme of the conical pressure riveting die, the lower surface of the L-shaped mounting plate is provided with a rectangular mounting strip, the inclined surface of the rectangular loading plate is further provided with a pair of L-shaped connecting plates, and a U-shaped guide frame is further arranged between the pair of rectangular loading plates.

[0009] As a preferred scheme of the conical pressure riveting die, the lower surface of the L-shaped mounting plate is provided with a rectangular mounting strip, the inclined surface of the rectangular loading plate is further provided with a pair of L-shaped connecting plates, and a U-shaped guide frame is further arranged between the pair of rectangular loading plates.

[0010] As a preferred scheme of the conical pressure riveting die, the lower surface of the L-shaped mounting plate is provided with a rectangular mounting strip, the inclined surface of the rectangular loading plate is further provided with a pair of L-shaped connecting plates, and a U-shaped guide frame is further arranged between the pair of rectangular loading plates.

[0011] As a preferred scheme of the conical pressure riveting die, the lower surface of the L-shaped mounting plate is provided with a rectangular mounting strip, the inclined surface of the rectangular loading plate is further provided with a pair of L-shaped connecting plates, and a U-shaped guide frame is further arranged between the pair of rectangular loading plates.

[0012] As a preferred scheme of the conical pressure riveting die, the inner ring of the U-shaped mounting frame is provided with a pair of rectangular lifting grooves, the inside of the rectangular lifting groove is further provided with a rectangular lifting block, the bottom surface of the inside of the rectangular lifting groove is provided with a cylindrical rod, the upper surface of the rectangular lifting block is further provided with a memory spring, a pair of rectangular lifting blocks are provided with a rectangular butt joint rod at the vertical surface, the opposite vertical surface of the pair of rectangular butt joint rods is connected with a circular ring sleeve, and the inner ring of the circular ring sleeve is further provided with an upper pressing head fixing sleeve.

[0013] As a preferred scheme of the conical pressure riveting die, the vertical surface of the die operation table is further provided with a rectangular mounting backing plate, the upper surface of the rectangular mounting backing plate is provided with an electromagnetic inductor, the upper surface of the rectangular mounting backing plate is further provided with an operational amplifier, the operational amplifier and the electromagnetic inductor are connected through a data transmission line, the vertical surface of the die operation table is further provided with an electronic metering device, the upper surface of the electronic metering device is further provided with a storage battery, and the upper surface of the rectangular mounting backing plate is provided with a circular hole.

[0014] As a preferred scheme of the conical pressure riveting die, the vertical surface of the die operation table is further provided with a rectangular mounting backing plate, the upper surface of the rectangular mounting backing plate is provided with an electromagnetic inductor, the upper surface of the rectangular mounting backing plate is further provided with an operational amplifier, the operational amplifier and the electromagnetic inductor are connected through a data transmission line, the vertical surface of the die operation table is further provided with an electronic metering device, the upper surface of the electronic metering device is further provided with a storage battery, and the upper surface of the rectangular mounting backing plate is provided with a circular hole.

[0015] The conical pressure riveting die has the advantages that:

[0016] 1. The device is provided with an automatic material receiving structure, the automatic material receiving structure is controlled by the lifting of the rectangular mounting plate, the automatic material receiving device can directly save the process and time of manual material receiving, the operation is simple, the operation steps of workers are reduced, and the production efficiency of products is improved.

[0017] 2. The device is further provided with an automatic counting device, after product production is completed, the product can be directly counted through the automatic material receiving device, and the traditional counting method mostly adopts a weight metering method, the metering method has a large error, the metering method of the device can count in the process of product material receiving, and the reliability and correctness of data are ensured.

[0018] 3. The device is provided with an automatic transportation device, and the transportation device is further provided with a protection structure and a buffer device, the arc-shaped anti-collision plate and the protection layer can reduce the damage of metal finished products to the conveying belt and the driving wheel caused by impact. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the drawings needed in the embodiment description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor. Among them:

[0020] Figure 1 It is a schematic diagram of the overall structure of the present application.

[0021] Figure 2 It is a schematic diagram of the structure of the automatic discharging device of the present application.

[0022] Figure 3 It is a structure display diagram of the automatic discharging device of the present application.

[0023] Figure 4 It is a schematic diagram of the connection structure of the U-shaped guide frame of the present application.

[0024] Figure 5 It is a detailed structure schematic diagram of point A in the present application. Figure 4

[0025] Figure 6 It is a connection schematic diagram of the rectangular mounting backing plate of the present application.

[0026] Figure 7 It is a schematic diagram of the connection structure of the U-shaped loading plate of the present application.

[0027] Figure 8 It is a schematic diagram of the connection structure of the rectangular lifting groove of the present application.

[0028] Explanation of reference numerals: 1, mold operation table; 2, U-shaped mounting frame; 3, control device; 4, rectangular mounting plate; 5, lower backing plate; 6, automatic discharging device; 7, L-shaped mounting plate; 8, rectangular loading plate; 9, L-shaped connecting plate; 10, U-shaped guide frame; 11, U-shaped mounting clamp; 12, cylindrical guide rod; 13, rectangular mounting block; 14, rectangular connecting piece; 15, U-shaped inclined plate; 16, connecting block; 17, rectangular baffle; 18, U-shaped fixed plate; 19, rectangular plate; 20, rotating rod; 21, T-shaped moving block; 22, threaded rod; 23, torsion rod; 24, rectangular lifting groove; 25, rectangular butt joint rod; 26, circular ring sleeve; 27, upper pressing head fixing sleeve; 28, rectangular mounting backing plate; 29, electromagnetic inductor; 30, operational amplifier; 31, data transmission line; 32, electronic metering equipment; 33, storage battery; 34, U-shaped loading plate; 35, driving wheel; 36, L-shaped baffle; 37, rectangular mounting base plate; 38, arc-shaped anti-collision plate. DETAILED DESCRIPTION ​

[0029] In order to make the above-mentioned purpose, characteristics and advantages of the utility model more apparent and easy to understand, the specific embodiments of the utility model will be described in detail below with reference to the accompanying drawings.

[0030] Embodiment 1

[0031] Refer to Figures 1-8 For the first embodiment of the utility model, a conical pressure riveting method is provided, the conical pressure riveting method comprises,

[0032] S1, material placement, placing the unprocessed material on the lower die plate provided on the lower punch;

[0033] S2, material stamping, the upper punch provided below the rectangular mounting plate 4 is made to stamp through the hydraulic telescopic rod;

[0034] S3, finished product blanking, the material after finishing will be blanked through the U-shaped guide frame;

[0035] S4, finished product transportation, the material after finishing will be transported through the conveying belt.

[0036] Embodiment 2

[0037] Refer to Figures 1-5 , 8, for the second embodiment of the utility model, the difference between this embodiment and the first embodiment is: the mold operation table 1 and the U-shaped mounting frame 2, the upper surface of the U-shaped mounting frame 2 is provided with the U-shaped mounting frame 2, characterized in that: the vertical surface outside the U-shaped mounting frame 2 is further provided with a control device 3, and the inner ring of the U-shaped mounting frame 2 is further provided with a pair of rectangular mounting plates 4, one of the rectangular mounting plates 4 is provided with a lower die plate 5 on the upper surface, and the lower die plate 5 is further provided with a lower punch fixed plate on the upper surface, and the lower punch fixed plate is installed with a lower punch on the upper surface, and the upper surface of the mold operation table 1 is further provided with an automatic blanking device 6, the automatic blanking device 6 comprises: an L-shaped mounting plate 7 and a rectangular loading plate 8, one of the parts in the part needs to be riveted, to ensure the length requirement of the riveted plunger and the requirement of the riveted plunger, there is a groove on the plunger, and there is an empty knife groove at the bottom, the plunger is firmly riveted in the limit block hole, the plunger and the limit block are assembled, and then it needs to be riveted (riveted), which meets the requirement of the plunger pulling force, then, the part of the limit block material must be filled into the groove and the empty knife groove.

[0038] The lower surface of the L-shaped mounting plate 7 is provided with a rectangular mounting strip, the inclined surface of the rectangular loading plate 8 is further provided with a pair of L-shaped connecting plates 9, a U-shaped guide frame 10 is further arranged between the pair of rectangular loading plates 8, the upper surface of the pair of rectangular loading plates 8 is provided with a U-shaped mounting clamp 11, and the inner ring of the U-shaped mounting clamp 11 is further provided with a cylindrical guide rod 12, and the rod body between the pair of U-shaped mounting clamps 11 is further provided with a rectangular mounting block 13 penetrated by the cylindrical guide rod 12, and the upper surface of the rectangular mounting block 13 is provided with a rectangular connecting piece 14.

[0039] The section of the U-shaped guide frame 10 away from the L-shaped mounting plate 7 is connected with a U-shaped inclined plate 15, and the inclined surface of the outer portion of the U-shaped inclined plate 15 is provided with a connecting block 16, and the inner ring of the U-shaped inclined plate 15 is fixedly connected with a rectangular baffle 17.

[0040] The vertical surface of the outer portion of the U-shaped guide frame 10 is provided with a U-shaped fixed plate 18, and the upper surface of the U-shaped fixed plate 18 is further provided with a pair of mutually symmetrical rectangular plates 19, and the pair of rectangular plates 19 are penetrated by the same rotating rod 20, and the inner ring of the L-shaped mounting plate 7 is provided with a T-shaped moving block 21, and the upper surface of one of the T-shaped moving blocks 21 is provided with a threaded rod 22 penetrated, and the upper surface of the threaded rod 22 is provided with a torsion rod 23.

[0041] The inner ring of the U-shaped mounting frame 2 is provided with a pair of rectangular lifting grooves 24, and the inner portion of the rectangular lifting groove 24 is further provided with a rectangular lifting block, the bottom surface of the inner portion of the rectangular lifting groove 24 is provided with a cylindrical rod, the upper surface of the rectangular lifting block is further provided with a memory spring, and the vertical surface of the pair of rectangular lifting blocks is provided with a rectangular butt joint rod 25, the opposite vertical surfaces of the pair of rectangular butt joint rods 25 are connected with a circular ring sleeve 26, the inner ring of the circular ring sleeve 26 is further provided with an upper pressing head fixing sleeve 27, and the inner diameter of the circular ring sleeve 26 is greater than the outer diameter of the upper pressing head fixing sleeve 27.

[0042] In use, the unprocessed material is placed on the lower pressing head provided on the lower cushion plate, and then the hydraulic telescopic rod provided on the upper surface of the U-shaped mounting frame 2 is started, because the extension rod of the hydraulic telescopic rod is connected with the rectangular mounting plate 4, and the upper surface of the rectangular mounting plate 4 is provided with the lower cushion plate 5, and the upper surface of the lower cushion plate 5 is further provided with a lower pressing head fixing plate, as the rectangular mounting plate 4 descends, the lower pressing head is connected with the upper pressing head, and the material placed thereon is stamped, after the stamping is completed, under the action of stamping, the inner ring of the finished product rises with the upper pressing head and is separated from the lower pressing head, and then is withdrawn by the circular ring sleeve 26;

[0043] Before starting, the rectangular mounting plate 4 is in the state of not descending, because the lower surface of the rectangular mounting plate 4 is provided with a butt joint strip, and the lower surface of the butt joint strip is provided with a U-shaped pull ring, and a pair of T-shaped moving blocks 21 are provided with a circular rod at the opposite vertical planes, and the circular rods are rotatably connected with the same rotating cylinder, and the rotating cylinder is fixedly connected with a swing block, and the U-shaped pull ring penetrates the swing block, so that when the rectangular mounting plate 4 gradually rises, the U-shaped pull ring will pull the swing block, so that the angle of the swing block is changed, because the swing block is fixedly connected with the rotating cylinder, and the arc surface of the rotating cylinder is further provided with a connecting piece, so that with the rotation of the rotating cylinder, the connecting piece will push the connecting strip to move, and the connecting strip is connected with the rotating rod 20, so that with the pushing of the connecting strip, the U-shaped guide frame 10 will move, and finally the finished part is dropped in the inside of the U-shaped inclined plate 15, and then the part is put in, and the lower surface of the outside of the U-shaped inclined plate 15 is away from the lower pressing head, so that the phenomenon that the material cannot be put in before the hydraulic telescopic rod is started will not occur.

[0044] The rest of the structure is the same as that of example 1.

[0045] Example 3

[0046] Referring to Figure 1 , 6 , the third embodiment of the utility model, which is different from the second embodiment is: the vertical plane of the mold operation table 1 is further provided with a rectangular mounting plate 28, the upper surface of the rectangular mounting plate 28 is provided with an electromagnetic inductor 29, the upper surface of the rectangular mounting plate 28 is further provided with an operational amplifier 30, the operational amplifier 30 and the electromagnetic inductor 29 are connected through a data transmission line 31, the vertical plane of the mold operation table 1 is further provided with an electronic metering device 32, the upper surface of the electronic metering device 32 is further provided with a storage battery 33, and the upper surface of the rectangular mounting plate 28 is provided with a circular hole, and the electromagnetic inductor 29 is based on the electromagnetic induction law. When metal objects are close, the magnetic field around the inductor will change, thereby generating an induced current. The existence of metal objects is judged by detecting the change of the induced current. The operational amplifier 30 is an integrated circuit with high amplification. It has two input terminals (inverted input terminal and non-inverted input terminal) and an output terminal. By connecting external resistors, capacitors and other elements, various amplifiers can be constructed. In sensor signal processing, such as temperature sensors and pressure sensors, operational amplifiers can amplify the weak electrical signals output by sensors for subsequent analog-to-digital conversion and processing.

[0047] When the finished part falls out of the U-shaped guide frame 10, the part first contacts the arc-shaped anti-collision plate 38 and then falls, in the process of falling, the electromagnetic inductor 29 changes the magnetic field around the inductor when the metal object approaches, thereby generating an induced current, and finally an electrical signal surface is generated, thereby being transmitted to the operational amplifier 30 through the data transmission 31, the weak signal is amplified through the operational amplifier 30, and the amplified signal is transmitted to the electronic metering device 32, and finally the electronic metering device 32 reacts, thereby metering.

[0048] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present application and are not limited. Although the present application has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present application can be modified or replaced equivalently without departing from the spirit and scope of the technical solutions of the present application, which should be covered in the scope of the claims of the present application.

Claims

1. A conical press-riveting die characterized by: The utility model provides a mould operating platform (1) and U type installation frame (2) including, the upper surface of U type installation frame (2) is provided with U type installation frame (2), it is characterized by: the vertical surface of U type installation frame (2) outside is also provided with control device (3), the inner ring of U type installation frame (2) is also provided with a pair of rectangular mounting plate (4), the upper surface of one rectangular mounting plate (4) is provided with lower bolster (5), the upper surface of lower bolster (5) is also provided with lower pressure head fixed plate, and the upper surface of lower pressure head fixed plate is installed lower pressure head, the upper surface of mould operating platform (1) is also provided with automatic blanking device (6), and automatic blanking device (6) includes: L type mounting plate (7) and rectangular loading plate (8).

2. A conical press-riveting die according to claim 1, characterized in that: The lower surface of L type mounting plate (7) is provided with rectangular mounting strip, the inclined surface of rectangular loading plate (8) is also provided with a pair of L type connecting plate (9), and a pair of rectangular loading plate (8) is also provided with U type guide frame (10) between.

3. A conical press-riveting die according to claim 2, characterized in that: The upper surface of a pair of rectangular loading plate (8) is provided with U type installation clamp (11), and the inner ring of U type installation clamp (11) is also provided with cylindrical guide rod (12), the rod body between a pair of U type installation clamp (11) is also provided with rectangular mounting block (13) penetrated, and the upper surface of rectangular mounting block (13) is provided with rectangular connecting piece (14).

4. A conical press-riveting die according to claim 2, characterized in that: The section of U type guide frame (10) away from L type mounting plate (7) is connected with U type inclined plate (15), and the inclined surface of U type inclined plate (15) outside is provided with connecting block (16), and the inner ring of U type inclined plate (15) is fixedly connected with rectangular baffle (17).

5. A conical press-riveting die according to claim 2, characterized in that: The vertical surface of U type guide frame (10) outside is provided with U type fixed plate (18), and the upper surface of U type fixed plate (18) is also provided with a pair of mutually symmetrical rectangular plate (19), and a pair of rectangular plate (19) is penetrated by same rotating rod (20), and the inner ring of L type mounting plate (7) is provided with T type moving block (21), and the upper surface of one T type moving block (21) is provided with threaded rod (22) penetrated, and the upper of threaded rod (22) is provided with torsion bar (23).

6. A conical press-riveting die according to claim 1, characterized in that: The inner ring of U type installation frame (2) is provided with a pair of rectangular lifting grooves (24), and the inside of rectangular lifting groove (24) is also provided with rectangular lifting block, the bottom surface of rectangular lifting groove (24) inside is also provided with cylindrical rod, the upper surface of rectangular lifting block is also provided with memory spring, and the vertical surface of a pair of rectangular lifting blocks is provided with rectangular butt joint rod (25), and the opposite vertical surface of a pair of rectangular butt joint rods (25) is connected with circular ring sleeve (26), and the inner ring of circular ring sleeve (26) is also provided with upper pressure head fixed sleeve (27).

7. A conical press-riveting die according to claim 1, characterized in that: The vertical surface of the mold operating platform (1) is also provided with a rectangular mounting plate (28), the upper surface of the rectangular mounting plate (28) is provided with an electromagnetic inductor (29), the upper surface of the rectangular mounting plate (28) is also provided with an operational amplifier (30), the operational amplifier (30) and the electromagnetic inductor (29) are connected through a data transmission line (31), the vertical surface of the mold operating platform (1) is also provided with an electronic metering device (32), the upper surface of the electronic metering device (32) is also provided with a battery (33), and a circular hole is formed through the upper surface of the rectangular mounting plate (28).

8. A conical press-riveting die according to claim 7, characterized in that: The vertical surface of the mold operating platform (1) is provided with a U-shaped loading plate (34), the inner ring of the U-shaped loading plate (34) is provided with a plurality of driving wheels (35), the plurality of driving wheels (35) are connected with the same conveying belt, the vertical surface of the inside of the U-shaped loading plate (34) is also provided with a pair of mutually symmetrical L-shaped blocking strips (36), the upper surface of the rectangular mounting plate (28) is also provided with a rectangular mounting base plate (37), and the vertical surface of the rectangular mounting base plate (37) is also provided with an arc-shaped anti-collision plate (38).

Citation Information

Patent Citations

  • Mould is riveted with pressing to stamping workpiece

    CN206882558U