A laser welding jig for cylinder gasket

Abstract

The invention discloses a cylinder gasket laser welding jig, comprising a laser welding head, a welding clamping mechanism, a product placement mechanism, and a cylinder gasket body; the product placement mechanism comprises a welding base and a product placement frame, the product placement frame comprises a fixture mounting plate and a cylinder gasket placement jig plate, the fixture mounting plate is fixedly mounted on the welding base, the cylinder gasket placement jig plate is fixedly mounted on the fixture mounting plate, and a plurality of positioning mechanisms are arranged on the fixture mounting plate; through the cooperation of an outer ring jig, an inner ring jig body, and an inner ring suction mechanism, a sealing sheet and a metal gasket are fixedly clamped, welding is convenient and stable, automatic production is achieved, efficiency is high, product deformation is small, welding seam consistency is high, and weld excess height is low, which greatly reduces the workload of subsequent gluing process.

Description

Technical Field

[0001] The invention relates to the technical field of welding equipment, and in particular to a cylinder gasket laser welding jig. Background Art

[0002] The cylinder gasket is an important seal installed between the cylinder head and the cylinder block working plane. Its function is to protect the seal between the cylinder block and the cylinder head to prevent water leakage, air leakage, and oil leakage. Since the cylinder gasket belongs to the closed-loop sealing welding of ultra-thin plates and requires high positioning accuracy, after market research, it was found that the welding fixtures of such products mostly use locking screws or quick clamps with low automation, low production efficiency, poor sealing, and low yield. Therefore, it is necessary to provide a cylinder gasket laser welding fixture that can quickly and conveniently complete the laser welding operation of the cylinder gasket. Summary of the invention

[0003] The purpose of the present invention is to provide a cylinder gasket laser welding jig to address the deficiencies of the prior art.

[0004] The technical solution of the present invention to solve the above problems is: a cylinder gasket laser welding jig, including a laser welding head, a welding clamping mechanism, a product placement mechanism, and a cylinder gasket body;

[0005] The product placement mechanism includes a welding base and a product placement rack, and the product placement rack includes a fixture mounting plate and a cylinder gasket placement jig plate, the fixture mounting plate is fixedly mounted on the welding base, the cylinder gasket placement jig plate is fixedly mounted on the fixture mounting plate, and the fixture mounting plate is provided with multiple sets of positioning mechanisms;

[0006] The cylinder gasket body comprises a sealing sheet and a plurality of metal gaskets, the sealing sheet is placed on a cylinder gasket placement jig plate and positioned by a plurality of positioning mechanisms, the metal gasket is placed on the sealing sheet, and each metal gasket is positioned by a group of positioning mechanisms;

[0007] The welding clamping mechanism comprises a stand, an outer ring jig, an inner ring pressing cylinder, an outer ring pressing cylinder, an inner ring translation mechanism, an inner ring jig mounting plate, and a movable plate. The outer ring jig is mounted on the stand so as to be movable up and down by the outer ring pressing cylinder, the movable plate is mounted on the stand so as to be movable forward and backward by the inner ring translation mechanism, the inner ring jig mounting plate is mounted on the movable plate so as to be movable up and down by the inner ring pressing cylinder, and a plurality of finger cylinders are arranged on the inner ring jig mounting plate, and each finger cylinder clamps an inner ring jig body;

[0008] The outer ring fixture is provided with an exposure opening, and the metal gasket is exposed from the exposure opening.

[0009] Furthermore, each group of positioning mechanisms includes a first positioning pin and a second positioning pin, the cylinder gasket placement jig plate is provided with a through hole for the first positioning pin and the second positioning pin to pass through, and the sealing plate and the metal gasket are provided with positioning holes that cooperate with the first positioning pin and the second positioning pin.

[0010] Furthermore, the inner ring clamping mechanism includes a clamping mounting seat, a clamping cylinder, and a magnet mounting base. An installation chamber is provided inside the welding base, the clamping mounting seat is arranged in the installation chamber, the clamping cylinder is fixedly connected to the clamping mounting seat, the magnet mounting base is connected to the telescopic end of the clamping cylinder, and a plurality of electromagnets are provided on the magnet mounting base, and the electromagnets are freely telescopically arranged in the first positioning pin.

[0011] The present invention has the beneficial effects:

[0012] The present invention provides a cylinder gasket laser welding jig, which realizes the fixation and compression of the sealing sheet and the metal gasket through the cooperation of the outer ring jig and the inner ring jig body, facilitates stable welding, automated production, and high efficiency. Further, through the inner ring suction mechanism, the product deformation is small, the welding weld is highly consistent, and the weld excess height is low, which greatly reduces the workload of the subsequent gluing process. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 A perspective view of the present invention;

[0014] Figure 2 It is a structural diagram of a product placement rack;

[0015] Figure 3 It is a structural schematic diagram of the welding clamping mechanism;

[0016] Figure 4 It is a structural schematic diagram of the outer ring fixture;

[0017] Figure 5 It is a structural schematic diagram of the inner ring fixture body;

[0018] Figure 6 It is a structural schematic diagram of the inner ring tightening mechanism;

[0019] Figure 7 This is a schematic diagram of the inner ring tightening mechanism in working state;

[0020] In the figure: 1-laser welding head, 2-welding base, 3-fixture mounting plate, 4-cylinder gasket placement fixture plate, 5-first positioning pin, 6-second positioning pin, 7-sealing plate, 8-metal gasket, 9-stand, 10-outer ring fixture, 11-inner ring fixture body, 12-inner ring pressing cylinder, 13-outer ring pressing cylinder, 14-inner ring translation mechanism, 15-inner ring fixture mounting plate, 16-movable plate, 17-suction mounting seat, 18-suction cylinder, 19-magnet mounting base, 20-electromagnet, 21-finger cylinder. DETAILED DESCRIPTION

[0021] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0022] As shown in the figure, a cylinder gasket laser welding jig includes a laser welding head, a welding clamping mechanism, a product placement mechanism, and a cylinder gasket body;

[0023] The product placement mechanism includes a welding base, an inner ring suction mechanism, and a product placement rack. The product placement rack includes a fixture mounting plate and a cylinder gasket placement jig plate. The fixture mounting plate is fixedly mounted on the welding base. The cylinder gasket placement jig plate is fixedly mounted on the fixture mounting plate. A plurality of positioning mechanisms are provided on the fixture mounting plate. Each positioning mechanism includes a first positioning pin and a second positioning pin. The cylinder gasket placement jig plate is provided with a through hole for the first positioning pin and the second positioning pin to pass through.

[0024] The cylinder gasket body includes a sealing sheet and a plurality of metal gaskets. The sealing sheet is placed on a cylinder gasket placement jig plate and positioned by a plurality of positioning mechanisms. The metal gasket is placed on the sealing sheet, and each metal gasket is positioned by a group of positioning mechanisms. The sealing sheet and the metal gasket are provided with positioning holes that cooperate with a first positioning pin and a second positioning pin.

[0025] The welding clamping mechanism includes a stand, an outer ring jig, a plurality of inner ring jig bodies, an inner ring pressing cylinder, an outer ring pressing cylinder, an inner ring translation mechanism, an inner ring jig mounting plate, and a movable plate. The outer ring jig is mounted on the stand so as to be movable up and down by the outer ring pressing cylinder, the movable plate is mounted on the stand so as to be movable forward and backward by the inner ring translation mechanism, the inner ring jig mounting plate is mounted on the movable plate so as to be movable up and down by the inner ring pressing cylinder, and a plurality of finger cylinders are arranged on the inner ring jig mounting plate, and each finger cylinder clamps an inner ring jig body. The outer ring jig is provided with an exposure opening, and the metal gasket is exposed from the exposure opening. Before welding, the outer ring jig is dropped by the outer ring pressing cylinder to press the sealing sheet, and then multiple inner ring jig bodies are extended through the inner ring translation mechanism and then dropped by the inner ring pressing cylinder. The finger cylinder releases the inner ring jig body, and the inner ring jig body is pressed on the metal gasket. The finger cylinder is then retracted by the inner ring translation mechanism, and the laser welding head welds the sealing sheet and the metal gasket.

[0026] The inner ring clamping mechanism includes a clamping mounting seat, a clamping cylinder, and a magnet mounting base. An installation chamber is provided inside the welding base, and the clamping mounting seat is arranged in the installation chamber. The clamping cylinder is fixedly connected to the clamping mounting seat, and the magnet mounting base is connected to the telescopic end of the clamping cylinder. A plurality of electromagnets are provided on the magnet mounting base. When the welding clamping mechanism clamps the sealing sheet and the metal gasket, the clamping cylinder extends the electromagnet into the first positioning pin, and the inner ring fixture body is clamped by magnetic force.

[0027] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A cylinder gasket laser welding jig, characterized in that: It includes laser welding head, welding clamping mechanism, product placement mechanism and cylinder gasket body; The product placement mechanism includes a welding base, a product placement frame, and an inner ring suction mechanism. The product placement frame includes a fixture mounting plate and a cylinder gasket placement jig plate. The fixture mounting plate is fixedly mounted on the welding base, and the cylinder gasket placement jig plate is fixedly mounted on the fixture mounting plate. The fixture mounting plate is provided with multiple sets of positioning mechanisms. The cylinder gasket body comprises a sealing sheet and a plurality of metal gaskets, the sealing sheet is placed on a cylinder gasket placement jig plate and positioned by a plurality of positioning mechanisms, the metal gasket is placed on the sealing sheet, and each metal gasket is positioned by a group of positioning mechanisms; The welding clamping mechanism comprises a stand, an outer ring jig, an inner ring pressing cylinder, an outer ring pressing cylinder, an inner ring translation mechanism, an inner ring jig mounting plate, and a movable plate. The outer ring jig is mounted on the stand so as to be movable up and down by the outer ring pressing cylinder, the movable plate is mounted on the stand so as to be movable forward and backward by the inner ring translation mechanism, the inner ring jig mounting plate is mounted on the movable plate so as to be movable up and down by the inner ring pressing cylinder, and a plurality of finger cylinders are arranged on the inner ring jig mounting plate, and each finger cylinder clamps an inner ring jig body; The outer ring fixture is provided with an exposure opening, and the metal gasket is exposed from the exposure opening; Each group of positioning mechanisms includes a first positioning pin and a second positioning pin, the cylinder gasket placement jig plate is provided with a through hole for the first positioning pin and the second positioning pin to pass through, and the sealing sheet and the metal gasket are provided with positioning holes that match the first positioning pin and the second positioning pin; The inner ring clamping mechanism includes a clamping mounting seat, a clamping cylinder, and a magnet mounting base. An installation chamber is provided inside the welding base. The clamping mounting seat is arranged in the installation chamber. The clamping cylinder is fixedly connected to the clamping mounting seat. The magnet mounting base is connected to the telescopic end of the clamping cylinder. A plurality of electromagnets are provided on the magnet mounting base. The electromagnets are freely telescopically arranged in the first positioning pin.

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