Automatic riveting device

By designing an automatic riveting device, the problem of low efficiency in manual riveting of filters in fresh air filtration systems was solved, realizing automated riveting, improving riveting efficiency and stability, and the device has a compact structure.

CN223903329UActive Publication Date: 2026-02-13KUNSHAN HENGDA PRECISION MACHINERY IND CO LTD
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Patent Information

Application Number
CN202423098252.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-16
Publication Date
2026-02-13
Estimated Expiration
2034-12-16

AI Technical Summary

Technical Problem

In existing technologies, the filter riveting process in fresh air filtration systems relies on manual operation, which is inefficient and the riveting device is bulky and not stable enough.

Method used

An automatic riveting device was designed, including a riveting frame, a riveting cavity, a piercing assembly, a right drive unit, a riveting knife, and a left drive unit. The right drive unit drives the piercing assembly to pierce the product, and the left drive unit drives the riveting knife to rivet the product, thereby achieving automated riveting.

Benefits of technology

The system achieves automated riveting of filters, with a simplified structure, stable performance, and small size, improving riveting efficiency and stability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an automatic riveting device which comprises a riveting frame, a riveting cavity, a puncture assembly, a right driving unit, a riveting cutter and a left driving unit, the riveting cavity is fixedly installed on the riveting frame, the puncture assembly is located on the right side of the riveting cavity, the riveting cutter is located on the left side of the riveting cavity, and the left driving unit is fixedly installed on the riveting frame. The puncturing assembly is installed at the power output end of the right driving unit, the riveting cutter is installed at the power output end of the left driving unit, the right driving unit drives the puncturing assembly to horizontally move leftwards to puncture a product to form a puncturing needle, and the left driving unit drives the riveting cutter to horizontally move rightwards to rivet the puncturing needle to the product. The automatic riveting device is simple in structure, ingenious in design, capable of achieving automatic riveting of products, stable in performance and small in size.
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Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical device technical field, especially relate to a kind of automatic riveting device. BACKGROUND

[0002] Filter will be used in fresh air filtering system or equipment, filter is by multiple (such as 6) filter bag and assemble together side by side, process is roughly as follows, one end of filter bag has open mouth, first glue is sprayed to the outer periphery of inner frame, then the inner frame after being pasted with glue is placed to the inside of the mouth of filter bag and rivet is riveted to the two filter bags (mainly inner frame) adjacent to each other, then the inner frame of the mouth of multiple filter bags is assembled together by a large outer frame, and the riveting device is big in size, and the riveting process is not stable enough. SUMMARY

[0003] The utility model mainly solves the technical problem to provide a kind of automatic riveting device, structure is simple, and design is ingenious, can realize the automatic riveting of product, and the whole device performance is stable, and small in size.

[0004] To solve the above technical problem, one technical scheme of the utility model is provided: provide a kind of automatic riveting device, the riveting device includes riveting frame, riveting cavity, puncture assembly, right drive unit, riveting knife and left drive unit, the riveting cavity is fixedly installed in the riveting frame, the puncture assembly is located at the right side of the riveting cavity, the riveting knife is located at the left side of the riveting cavity, the puncture assembly is installed on the power output end of the right drive unit, the riveting knife is installed on the power output end of the left drive unit, the puncture assembly is driven to the left translation by right drive unit and is formed into needle by puncturing product, the riveting knife is driven to the right translation by left drive unit and is riveted on product by needle.

[0005] Further, the puncture assembly includes puncture seat, puncture knife, pre-pressing plate and elastic piece, the puncture seat is fixedly installed on the power output end of the right drive unit, the pre-pressing plate is installed on the surface of the puncture seat by first guide column, the elastic piece is respectively abutted on the surface of pre-pressing plate and puncture seat, the root of puncture knife is fixed to the lower part of puncture seat, and the head of puncture knife passes through the pre-pressing plate.

[0006] Further, the root of puncture knife and the puncture seat are detachably connected by bolt.

[0007] Further, the front end of puncture knife is divided into two puncture blades, the left end surface of puncture blade is arc surface, the inner side surface of puncture blade forms step surface, and the distance between the root of two arc surfaces is less than the distance of opening.

[0008] Further, the right driving unit and the left driving unit are respectively a pneumatic cylinder, a hydraulic cylinder, an electric cylinder or a motor; the right driving unit is fixedly installed on the right side of the riveting frame; and the left driving unit is fixedly installed on the left side of the riveting frame.

[0009] Further, the left end of the riveting knife is fixedly installed on a riveting seat, the riveting seat is installed on the power output end of the left driving unit, the right end of the riveting knife penetrates through the riveting cavity, and the end of the riveting knife is divided into two riveting blades; the right end surface of the riveting blade comprises a plane and an inclined plane connected with each other, and the inclined plane is inclined outward.

[0010] The distance between the two step surfaces is consistent with the width of the right end of the riveting knife.

[0011] Further, the left end of the riveting knife is fixedly installed on a riveting seat, the riveting seat is installed on the power output end of the left driving unit, the right end of the riveting knife penetrates through the riveting cavity, and the end of the riveting knife is divided into two riveting blades; the right end surface of the riveting blade comprises a plane and an inclined plane connected with each other, and the inclined plane is inclined outward.

[0012] Further, the riveting frame and the left driving unit are provided with a second guide column; the riveting seat and the riveting cavity are provided with a third guide column; and the right driving unit, the puncture seat and the riveting cavity are provided with a fourth guide column.

[0013] The utility model discloses the beneficial effect is:

[0014] The utility model discloses riveting frame, riveting cavity, puncture subassembly, right driving unit, riveting knife and left driving unit, puncture subassembly includes puncture knife and pre -pressing plate, and through right driving unit drive puncture subassembly and push the product to the left between riveting cavity and pre -pressing plate to the product puncture formation needle with puncture knife is pushed, then through left driving unit drive riveting knife and right translation riveting product, therefore, the utility model discloses through the design to riveting cavity, puncture subassembly and riveting knife etc, can realize the automatic riveting of product, and the whole device performance is stable, and the volume is small,

[0015] Furthermore, the puncture subassembly includes a puncture seat, a puncture knife, a pre-pressing plate and an elastic member, before riveting, the right driving unit drives the pre-pressing plate to push the product to the surface of the riveting cavity, and in the process, the pre-pressing plate slowly pushes the product to the left by the elastic member to make it contact with the riveting cavity, avoiding the product being damaged by force.

[0016] The above description is only a summary of the technical scheme of the utility model, in order to more clearly understand the technical means of the utility model, and can be implemented according to the content of the specification, the following is the preferred embodiment of the utility model and the detailed description of the drawings as follows. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is one of the structure schematic diagram of the utility model,

[0018] Figure 2 is a second structural schematic view of the utility model;

[0019] Figure 3 is a front view of the utility model;

[0020] Figure 4 is a sectional view (along the axial direction of the first guide column) of the utility model;

[0021] Figure 5 is one of the overhead view of the puncture knife and riveting knife of the utility model;

[0022] Figure 6 is the second overhead view of the puncture knife and riveting knife of the utility model;

[0023] Figure 7 is a riveting process diagram of the utility model;

[0024] The marks of each part in the drawing are as follows:

[0025] Product 10, lancet 101;

[0026] Riveting device 1, riveting frame 11, riveting cavity 12, puncture assembly 13, puncture seat 131, puncture knife 132, puncture blade 1321, arc surface 1322, step surface 1323, pre-pressing plate 133, elastic member 134, first guide column 135, bolt 136, right drive unit 14, riveting knife 15, riveting blade 151, flat surface 1511, inclined surface 1512, riveting seat 152, left drive unit 16, second guide column 17, third guide column 18, fourth guide column 19;

[0027] The distance D between the two step surfaces, the width W of the right end of the riveting knife. DETAILED DESCRIPTION

[0028] The advantages and effects of the utility model can be easily understood by the person skilled in the art from the content disclosed in the specification. The utility model can also be implemented in other different ways, that is, different modifications and changes can be made without departing from the scope disclosed in the utility model.

[0029] The position descriptions such as up, down, left and right in the embodiment are based on the orientation in the drawing and have no special meaning and are not used to limit the protection scope of the utility model.

[0030] Embodiment: an automatic riveting device, such as Figures 1 to 7As shown, the riveting device 1 comprises a riveting frame 11, a riveting cavity 12, a piercing assembly 13, a right driving unit 14, a riveting knife 15 and a left driving unit 16, the riveting cavity 12 is fixedly installed on the riveting frame 11, the piercing assembly 13 is located on the right side of the riveting cavity 12, the riveting knife 15 is located on the left side of the riveting cavity 12, the piercing assembly 13 is installed on the power output end of the right driving unit 14, the riveting knife 15 is installed on the power output end of the left driving unit 16, the piercing assembly is driven by the right driving unit 14 to translate leftward to pierce the product 10 to form a piercing needle 101, and the riveting knife is driven by the left driving unit to translate rightward to rivet the piercing needle on the product.

[0031] In the embodiment, the piercing assembly 13 comprises a piercing seat 131, a piercing knife 132, a pre-pressing plate 133 and an elastic member 134, the piercing seat 131 is fixedly installed on the power output end of the right driving unit 14, the pre-pressing plate 133 is installed on the surface of the piercing seat 131 through a first guide column 135, the two ends of the elastic member 134 are respectively abutted against the surfaces of the pre-pressing plate 133 and the piercing seat 131, the root of the piercing knife 132 is fixed to the lower part of the piercing seat 131, and the head of the piercing knife 132 penetrates through the pre-pressing plate. In the embodiment, the elastic member is a spring, but is not limited thereto, and other elastic members can also be used, which can play the role of elastic buffering and resetting.

[0032] In the embodiment, as shown in the figure, Figure 2 The root of the piercing knife 132 is detachably connected with the piercing seat 131 through a bolt 136. When the piercing knife is worn out or needs to be replaced by a different piercing knife for riveting different products, the piercing knife can be easily replaced.

[0033] As shown in the figures, Figure 5 and Figure 6 The front end of the piercing knife 132 is divided into two piercing knife pieces 1321, the left end surface of the piercing knife piece is an arc surface 1322, the inner side surface of the piercing knife piece forms a stepped surface 1323, and the distance between the roots of the two arc surfaces is smaller than the distance at the opening.

[0034] The right driving unit 14 and the left driving unit 16 are respectively a pneumatic cylinder, a hydraulic cylinder, an electric cylinder or a motor; the right driving unit is fixedly installed on the right side of the riveting frame 11; and the left driving unit is fixedly installed on the left side of the riveting frame 11. In the embodiment, the right driving unit 14 and the left driving unit 16 both adopt an oil cylinder, which is a kind of hydraulic cylinder.

[0035] The left end of the riveting knife 15 is fixedly installed on a riveting seat 152, the riveting seat 152 is installed on the power output end of the left driving unit, and the right end of the riveting knife 15 penetrates through the riveting cavity 12, as shown in the figures, Figure 5 andFigure 6 As shown in the figure, the end of the riveting knife 15 is divided into two riveting blades 151, and the right end face of the riveting blade 151 comprises a flat surface 1511 and an inclined surface 1512 connected to each other, and the inclined surface is inclined outwardly;

[0036] The distance D between the two step surfaces is consistent with the width W of the right end of the riveting knife.

[0037] The left end of the riveting knife 15 is detachably connected with the riveting seat 152 through a bolt 136. When the riveting knife is worn out or different riveting knives are required for riveting different products, the riveting knife can be easily replaced.

[0038] Since the piercing knife and the piercing seat and the riveting knife and the riveting seat are detachably connected and can be easily replaced, when different products are riveted, only different piercing knives and riveting knives need to be replaced, thereby improving the versatility of the riveting device.

[0039] The second guide column 17 is arranged between the riveting frame 11 and the left driving unit 16, the third guide column 18 is arranged between the riveting seat 152 and the riveting cavity 12, and the fourth guide column 19 is arranged between the right driving unit 14, the piercing seat 131 and the riveting cavity 12. The second guide column, the third guide column and the fourth guide column herein and the first guide column in the above are used for guiding in the translation process of the corresponding components.

[0040] Working principle and working process of the utility model:

[0041] Figure 7 In the figure, the right side from top to bottom represents the state before riveting, the state after piercing and the state after riveting in sequence, and the left side from top to bottom is the piercing process and the riveting process in sequence. The function of the utility model is to change the product from the state before riveting to the state after riveting.

[0042] The riveting cavity is fixedly installed on the riveting frame and is relatively stationary, as shown in the figure, Figure 7 As shown in the figure, the product is located between the riveting cavity and the pre-pressing plate, the right driving unit drives the piercing seat to move leftward, and the pre-pressing plate pushes the product to the position of the riveting cavity (the pre-pressing plate slowly pushes the product leftward to make the product contact with the riveting cavity through the elastic member, so as to avoid that the product is damaged by being pressed hard), the right driving unit continues to advance until the piercing knife drives the product to be pierced to form the piercing needle 101 (i.e. Figure 7 In the figure, the product will become the state after piercing), the right driving unit stops moving. Then the left driving unit moves rightward, pushes the riveting seat to move and drives the riveting knife to translate rightward to rivet the product, and after the riveting is completed (i.e. Figure 7 In the figure, the product will become the state after riveting), the right driving unit retreats to the original position, and the left driving unit continues to move rightward until the product is pushed out of the riveting cavity, and then the left driving unit retreats, and the riveting ends.

[0043] The above merely describes the embodiments of the present application, and does not limit the patent scope of the present application. Any equivalent structure or direct or indirect application in other related technical fields based on the content of the present application specification and drawings is also included in the patent protection scope of the present application.

Claims

1. An automatic riveting device characterized by comprising: The riveting device (1) comprises a riveting frame (11), a riveting cavity (12), a piercing assembly (13), a right driving unit (14), a riveting knife (15) and a left driving unit (16), the riveting cavity (12) is fixedly installed on the riveting frame (11), the piercing assembly (13) is located on the right side of the riveting cavity (12), the riveting knife (15) is located on the left side of the riveting cavity (12), the piercing assembly (13) is installed on the power output end of the right driving unit (14), the riveting knife (15) is installed on the power output end of the left driving unit (16), the product (10) is pierced to form a piercing needle (101) by driving the piercing assembly to translate leftwards through the right driving unit (14), and the piercing needle is riveted on the product by driving the riveting knife to translate rightwards through the left driving unit.

2. The automatic riveting device according to claim 1, characterized in that: The piercing assembly (13) comprises a piercing seat (131), a piercing knife (132), a pre-pressing plate (133) and an elastic member (134), the piercing seat (131) is fixedly installed on the power output end of the right driving unit (14), the pre-pressing plate (133) is installed on the surface of the piercing seat (131) through a first guide column (135), the two ends of the elastic member (134) are respectively abutted against the surfaces of the pre-pressing plate (133) and the piercing seat (131), and the root of the piercing knife (132) is fixed to the lower part of the piercing seat (131), and the head of the piercing knife (132) penetrates through the pre-pressing plate.

3. The automatic riveting device of claim 2, wherein: The root of the piercing knife (132) is detachably connected with the piercing seat (131) through a bolt (136).

4. The automatic riveting device of claim 2, wherein: The front end of the piercing knife (132) is divided into two piercing blades (1321), the left end surface of the piercing blade is an arc surface (1322), the inner side surface of the piercing blade forms a stepped surface (1323), and the distance between the roots of the two arc surfaces is smaller than the distance at the opening.

5. The automatic riveting device of claim 2, wherein: The right driving unit (14) and the left driving unit (16) are respectively a pneumatic cylinder, a hydraulic cylinder, an electric cylinder or a motor, the right driving unit is fixedly installed on the right side of the riveting frame (11), and the left driving unit is fixedly installed on the left side of the riveting frame (11).

6. The automatic riveting device of claim 4, wherein: The left end of the riveting knife (15) is fixedly installed on a riveting seat (152), the riveting seat (152) is installed on the power output end of the left driving unit, the right end of the riveting knife (15) penetrates through the riveting cavity (12), the end of the riveting knife (15) is divided into two riveting blades (151), the right end surface of the riveting blade (151) comprises a plane (1511) and an inclined surface (1512) connected with each other, and the inclined surface is inclined outwardly; The distance between the two stepped surfaces is consistent with the width of the right end of the riveting knife.

7. The automatic riveting device of claim 6, wherein: The left end of the riveting knife (15) is detachably connected with the riveting seat (152) through a bolt (136).

8. The automatic riveting device of claim 6, wherein: The riveting frame (11) is provided with a second guide column (17) between the left driving unit (16); the riveting seat (152) is provided with a third guide column (18) between the riveting cavity (12); the right driving unit (14), the puncture seat (131) and the riveting cavity (12) are provided with a fourth guide column (19).