Metal plate riveting equipment capable of achieving rivet-free riveting

Abstract

The utility model discloses a rivet-free riveting sheet metal riveting device, which relates to the technical field of sheet metal processing and comprises a base, a workbench, a riveting rack, a male die device, a laser heater, a female die, an auxiliary positioning clamp, an electrical control system and a suspension conveying device. The sheet metal parts are automatically conveyed, the first infrared sensor assists in positioning the positions of the sheet metal parts, the auxiliary clamping jaw assists in fixing the sheet metal parts, the sheet metal parts are prevented from deviating during conveying, the conveying positions of the sheet metal parts are more accurate, and after the second infrared sensor positions the positions, needing to be heated, of the sheet metal parts, the laser heater heats the sheet metal parts. And finally, the male die is arranged to be an expandable combined male die, the sheet metal parts are connected more firmly after being riveted, the male die and the female die are arranged to be detachably connected, and dies of various models can be replaced to adapt to riveting work of the sheet metal parts of various models.

Description

TECHNICAL FIELD

[0001] The utility model relates to sheet metal processing technical field, concretely is a kind of sheet metal riveting equipment without rivet riveting. BACKGROUND

[0002] Rivetless riveting is through specific riveting equipment to connect two or more workpieces closely, this connection mode is high in strength, corrosion-resistant, beautiful and need not pre-punching, in prior art, rivetless riveting equipment is mostly gas-liquid pressurized rivetless riveting device, for example, CN106424387A a kind of rivetless riveting die, including upper die holder and lower die holder, the upper die holder is provided with riveting pressure head, the lower die holder is provided with the riveting top head corresponding with riveting pressure head, the riveting pressure head is set in the just above riveting top head, the center line of riveting pressure head and riveting top head coincides, the upper die holder is also provided with the top tight sleeve for the top tight support and baffle before riveting pressure head depresses, the riveting pressure head is arranged in top tight sleeve, the lower die holder is provided with the top tight mesa of cooperation with top tight sleeve, the riveting top head is arranged in top tight mesa center position and the riveting face of riveting top head is lower than top tight mesa, however, technical scheme encounters when complex sheet metal parts need multiple face riveting, manpower is needed to carry out multiple feeding and discharging operations to sheet metal parts, waste manpower resources and when artificial manual loading, error is easy to produce, riveting quality cannot be guaranteed, and since rivetless riveting method is limited by the degree of connected panel mechanical interlocking, so rivetless riveting is not as firm or strong as self-punching rivet connection, and in riveting process, sheet metal part riveting part has torn condition. UTILITY MODEL CONTENTS

[0003] The utility model aims at providing a kind of sheet metal riveting equipment without rivet riveting to solve the problems raised in the above background.

[0004] In order to achieve the above object, the utility model provides the following technical scheme: a rivetless riveting's sheet metal riveting equipment, include: bottom is equipped with base, base left side is equipped with work table, the left side of work table is fixed with riveting frame, the left side of riveting frame is equipped with male die device, right side is equipped with laser heater, male die device below is equipped with female die, female die is detachably fixed on work table, female die right side is equipped with auxiliary positioning fixture, work table inside is equipped with electrical control system, base right side is equipped with suspension conveying device, suspension conveying device includes: right side is equipped with first motor and is fixed on base, first motor output end is connected with first lead screw, first lead screw passes through first bearing seat and is fixedly connected with base, first lead screw is movably connected with first mobile base, first mobile base below is equipped with first slide, first slide is fixed on base, first mobile base passes through first slide and is slidably connected with base, first mobile base is fixed with second slide and second motor, second slide is movably connected with second mobile base, second motor output end is connected with second lead screw, second lead screw passes through second bearing seat and is fixedly connected with first mobile base, second lead screw is movably connected with second mobile base, second mobile base is equipped with first telescopic arm, first telescopic arm top is equipped with second telescopic arm, second telescopic arm end is equipped with rotating shaft, rotating shaft left end is fixed with sheet metal piece clamp

[0005] Further, the male die device includes: a gas-liquid booster cylinder is arranged above the riveting frame, an output end of the gas-liquid booster cylinder penetrates through the riveting frame and is connected with a male die mounting plate at the lower end of the riveting frame, and the male die mounting plate is detachably connected with the male die below.

[0006] Further, the male die is an expansion combined male die, which includes: a striker core is arranged in the middle, an expansion piece is arranged outside the striker core, a fixing ring is arranged on the upper side of the expansion piece, and an elastic ring is arranged on the lower side of the expansion piece, the striker core and the expansion piece are connected through buckles, and a spring is arranged in the middle.

[0007] Further, the auxiliary positioning fixture includes: a first infrared sensor is arranged at the right end of the work table, a second infrared sensor is arranged below the right end of the riveting frame, an auxiliary positioning slide is arranged on the right side of the work table, an auxiliary positioning slide block is arranged on the auxiliary positioning slide, an auxiliary positioning lead screw and a fixed rod are arranged on the auxiliary positioning slide block, an auxiliary clamping jaw is arranged on the auxiliary positioning lead screw, and the auxiliary clamping jaw is connected with the auxiliary positioning slide block through the fixed rod.

[0008] Preferably, the male die device, the laser heater, the auxiliary positioning fixture, and the suspension conveying device are electrically connected with the electrical control system.

[0009] Compared with the prior art, the utility model has the advantages that: the utility model is connected with the electrical control system through the suspension conveying device, realizes the automatic conveying of the sheet metal part, and specifically, the first motor, the second motor, the first telescopic arm, the second telescopic arm, the pivot and the sheet metal part clamp are connected with the electrical control system, the sheet metal part is conveyed to the specified position, then the first infrared sensor is used for assisting in positioning the position of the sheet metal part, the auxiliary clamping jaw is used for assisting in fixing the sheet metal part, the deviation of the sheet metal part during conveying is avoided, the conveying position of the sheet metal part is more accurate, the second infrared sensor is used for positioning the position of the sheet metal part needing heating, then the laser heater is used for heating the sheet metal part, the plasticity of the sheet metal part is improved, the tearing of the sheet metal part, the paint film and the oxidation protective film during the riveting of the sheet metal part is avoided, finally, the male die is set as the expandable combined male die, the riveting of the sheet metal part is more firm, the male die and the female die are set as the detachable connection, various types of molds can be replaced to adapt to the riveting work of various types of sheet metal parts. BRIEF DESCRIPTION OF DRAWINGS

[0010] Figure 1 It is the front view of the utility model;

[0011] Figure 2 It is the suspension conveying device structure schematic view of the utility model;

[0012] Figure 3 It is the second movable base structure schematic view of the utility model;

[0013] Figure 4 It is the male die device structure schematic view of the utility model;

[0014] Figure 5 It is the male die structure schematic view of the utility model;

[0015] Figure 6 It is the auxiliary positioning clamp structure schematic view of the utility model;

[0016] In the figure: 1, base, 2, workbench, 3, riveting frame, 4, male die device, 5, laser heater, 6, female die, 7, auxiliary positioning clamp, 8, electrical control system, 9, suspension conveying device, 10, first motor, 11, first screw rod, 12, first bearing seat, 13, first moving base, 14, first sliding way, 15, second sliding way, 16, second motor, 17, second moving base, 18, second screw rod, 19, second bearing seat, 20, first telescopic arm, 21, second telescopic arm, 22, rotating shaft, 23, sheet metal clamp, 401, gas-liquid pressure cylinder, 402, male die mounting plate, 403, male die, 404, core, 405, expansion piece, 406, fixed ring, 407, elastic ring, 408, spring, 701, first infrared sensor, 702, second infrared sensor, 703, auxiliary positioning sliding way, 704, auxiliary positioning sliding block, 705, auxiliary positioning screw rod, 706, fixed rod, 707, auxiliary clamping jaw. DETAILED DESCRIPTION

[0017] In order to make the technical personnel in the art better understand the technical scheme of the utility model, the technical scheme in the utility model embodiment is described clearly and completely below in combination with the drawings and specific embodiments.

[0018] Please refer to Figures 1-6The utility model provides a kind of rivetless riveting's sheet metal riveting equipment, comprising: bottom is equipped with base 1, the left side of the base 1 is equipped with workbench 2, riveting frame 3 is fixed on the left side of the workbench 2, the left side of the riveting frame 3 is equipped with male die device 4, right side is equipped with laser heater 5, the lower side of the male die device 4 is equipped with female die 6, the female die 6 can be detachably fixed on workbench 2, the right side of the female die 6 is equipped with auxiliary positioning clamp 7, the inside of the workbench 2 is equipped with electrical control system 8, the right side of the base 1 is equipped with suspension conveying device 9, the suspension conveying device 9 includes: right side is equipped with first motor 10 fixed on base 1, the output end of the first motor 10 is connected with first screw rod 11, the first screw rod 11 is fixedly connected with base 1 by first bearing seat 12, first moving base 13 is movably connected on the first screw rod 11, the lower side of the first moving base 13 is equipped with first slide 14, the first slide 14 is fixed on base 1, the first moving base 13 is slidably connected with base 1 by first slide 14, the second slide 15 and second motor 16 are fixed on the first moving base 13, the second slide 15 is movably connected with second moving base 17, the output end of the second motor 16 is connected with second screw rod 18, the second screw rod 18 is fixedly connected with first moving base 13 by second bearing seat 19, the second screw rod 18 is movably connected with second moving base 17, the first telescopic arm 20 is equipped on the second moving base 17, the second telescopic arm 21 is equipped on the top of the first telescopic arm 20, the shaft 22 is equipped on the end of the second telescopic arm 21, the sheet metal part clamp 23 is fixed on the left end of the shaft 22

[0019] Wherein, first motor 10 makes first moving base 13 move left and right, second motor 16 makes second moving base 17 move back and forth, first telescopic arm 20 moves up and down, second telescopic arm 21 moves left and right, shaft 22 rotates 360 degrees, sheet metal part clamp 23 clamps sheet metal part, realize the full-automatic conveying of sheet metal part and realize that sheet metal part multiple faces can be sent to between male die 403 and female die 6 and riveting.

[0020] The male die device 4 includes: gas-liquid booster cylinder 401 is arranged above riveting frame 3, the output end of the gas-liquid booster cylinder 401 penetrates riveting frame 3 and enters below riveting frame 3 and is connected with male die mounting plate 402 at end, the male die mounting plate 402 is detachably connected with male die 403 below.

[0021] Wherein, male die 403 and female die 6 are arranged in detachable mode, so that the male die 403 and female die 6 of the equipment can be replaced with various models of molds to adapt to the riveting work of various models of sheet metal parts.

[0022] The punch 403 is an expansion combined punch, comprising: a middle part provided with a striker 404, the striker 404 is externally provided with an expansion piece 405, the expansion piece 405 is externally provided with a fixing ring 406 on the upper part and a elastic ring 407 on the lower part, the striker 404 and the expansion piece 405 are connected through buckling, and a spring 408 is arranged in the middle part.

[0023] Wherein, the striker 404 moves downward based on the pressure provided by the gas-liquid pressure cylinder 401, the expansion piece 405 moves downward and expands outward based on the pressure provided by the striker 404, and riveting work is completed, after the riveting work is completed, the gas-liquid pressure cylinder 401 stops delivering power, the striker 404 rebounds to the initial position based on the elastic force of the spring 408, the expansion piece 405 rebounds to the initial position based on the elastic force of the elastic ring 407, and the riveting part of the sheet metal piece is expanded outward based on the expansion piece 405, so that the connection is more firm.

[0024] The auxiliary positioning clamp 7 comprises: a first infrared sensor 701 arranged at the right end of the workbench 2, a second infrared sensor 702 arranged below the right end of the riveting frame 3, an auxiliary positioning slide 703 arranged on the right side of the workbench 2, an auxiliary positioning slide block 704 arranged on the auxiliary positioning slide 703, an auxiliary positioning lead screw 705 and a fixing rod 706 arranged on the auxiliary positioning slide block 704, and an auxiliary clamping jaw 707 arranged on the auxiliary positioning lead screw 705 and connected with the auxiliary positioning slide block 704 through the fixing rod 706.

[0025] Wherein, when the suspension conveying device 9 conveys the sheet metal piece to the workbench 2, the first infrared sensor 701 assists in positioning the specific position of the sheet metal piece, and the auxiliary clamping jaw 707 assists the suspension conveying device 9 in clamping and fixing the sheet metal piece, so as to avoid the deviation of the sheet metal piece during conveying, preferably, the auxiliary clamping jaw 707 is powered by a cylinder arranged in the workbench, the second infrared sensor 702 positions the heating position of the sheet metal piece, and the sheet metal piece is heated by the laser heater 5, so that the heating area position is more accurate, and the tearing of the sheet metal piece, paint film and oxidation protective film during the riveting process of the sheet metal piece is avoided.

[0026] The punch device 4, the laser heater 5, the auxiliary positioning clamp 7 and the suspension conveying device 9 are electrically connected with the electrical control system 8.

[0027] Wherein, the first motor 10, the second motor 16, the first telescopic arm 20, the second telescopic arm 21, the rotating shaft 22 and the sheet metal piece clamp 23 are connected with the electrical control system 8, and the equipment is fully automated in clamping, conveying, laser heating, positioning and riveting work.

[0028] In use of the utility model, first, based on electrical control system 8 control sheet metal clamp 23 clamps sheet metal fixedly, and based on suspension conveying device 9 is transported to workbench 2, and adjustment sheet metal makes the riveting position aligns with the male die device 4, wherein, auxiliary positioning clamp 7 assists suspension conveying device 9 to fix sheet metal, avoids the deviation of conveying process, before riveting work, laser heater 5 heats the riveting position, wherein the second infrared sensor 702 positions sheet metal, confirms the accuracy of heating area, after riveting, suspension conveying device 9 moves sheet metal to loading area.

[0029] Although the embodiments of the utility model have been shown and described, it is apparent that the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, for those skilled in the art, it can be understood that all other embodiments obtained by various changes, modifications, replacements and variations of these embodiments without departing from the principles and spirits of the utility model under the premise of not making creative labor, belong to the protection scope of the utility model.

Claims

1. A rivetless riveting apparatus for sheet metal riveting, characterized by, Include: The bottom is provided with base (1), left side of base (1) is provided with workbench (2), the left side of workbench (2) is fixed with riveting frame (3), the left side of riveting frame (3) is provided with male die device (4), and the right side is provided with laser heater (5), the lower side of male die device (4) is provided with female die (6), the female die (6) can be detachably fixed on workbench (2), the right side of female die (6) is provided with auxiliary positioning clamp (7), the inside of workbench (2) is provided with electrical control system (8), the right side of base (1) is provided with suspension conveying device (9), the right side of suspension conveying device (9) is provided with first motor (10) fixed on base (1), the output end of first motor (10) is connected with first lead screw (11), the first lead screw (11) is fixedly connected with base (1) through first bearing seat (12), the first lead screw (11) is movably connected with first moving base (13), the lower side of first moving base (13) is provided with first slide (14), the first slide (14) is fixed on base (1), the first moving base (13) is slidably connected with base (1) through first slide (14), the first moving base (13) is fixed with second slide (15) and second motor (16), the second slide (15) is movably connected with second moving base (17), the output end of second motor (16) is connected with second lead screw (18), the second lead screw (18) is fixedly connected with first moving base (13) through second bearing seat (19), the second lead screw (18) is movably connected with second moving base (17), the first telescopic arm (20) is arranged on the second moving base (17), the second telescopic arm (21) is arranged on the top of first telescopic arm (20), the rotating shaft (22) is arranged on the end of second telescopic arm (21), and the sheet metal clamp (23) is fixed on the left end of rotating shaft (22).

2. The rivet-less riveting apparatus for sheet metal riveting according to claim 1, wherein, The male die device (4) includes: a gas-liquid booster cylinder (401) arranged above the riveting frame (3), the output end of the gas-liquid booster cylinder (401) penetrates through the riveting frame (3) and enters below the riveting frame (3) and is connected with a male die mounting plate (402) at the end, and the male die (403) is detachably connected below the male die mounting plate (402).

3. The rivet-less riveting apparatus for sheet metal riveting according to claim 2, wherein, The male die (403) is an expansion combined male die, which comprises: a middle punch core (404), an expansion element (405) arranged outside the punch core (404), a fixed ring (406) arranged on the outer side of the upper part of the expansion element (405), and an elastic ring (407) arranged on the lower part, the punch core (404) and the expansion element (405) are connected through buckles, and a spring (408) is arranged in the middle.

4. The rivet-less riveting apparatus for sheet metal riveting according to claim 3, wherein The auxiliary positioning clamp (7) comprises: a first infrared sensor (701) arranged at the right end of the workbench (2), a second infrared sensor (702) arranged below the right end of the riveting frame (3), an auxiliary positioning slide (703) arranged on the right side of the workbench (2), an auxiliary positioning sliding block (704) arranged on the auxiliary positioning slide (703), an auxiliary positioning lead screw (705) and a fixing rod (706) arranged on the auxiliary positioning sliding block (704), and an auxiliary clamping jaw (707) arranged on the auxiliary positioning lead screw (705), wherein the auxiliary clamping jaw (707) is connected with the auxiliary positioning sliding block (704) through the fixing rod (706).

5. The rivet-less riveting apparatus for sheet metal riveting according to claim 4, wherein The punch device (4), the laser heater (5), the auxiliary positioning clamp (7) and the suspension conveying device (9) are electrically connected with the electrical control system (8).

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