Pre-bending station mechanism for upper side electrode of spark plug

Abstract

The utility model relates to the technical field of spark plug electrode processing, in particular to a pre-bending station mechanism for an upper side electrode of a spark plug, which comprises a base, a conveying belt is arranged in the base, and a plurality of bearing plates are fixedly connected to the surface of the conveying belt at equal intervals; a movable plate is connected into the support in a sliding mode, a cavity is formed in the movable plate, a plurality of through grooves are formed in the lower end of the movable plate in a penetrating mode, the upper ends of the through grooves communicate with the lower end of the cavity, and a plurality of pre-bending grooves are formed in the movable plate. An operator places the lower end of a spark plug in a placing groove, drives a transmission roller to rotate through a motor, enables a conveying belt to operate, drives a bearing plate to move through the conveying belt, moves the spark plug to the lower end of a through groove, pushes a movable plate to slide downwards through a hydraulic cylinder, and enables an electrode at the upper end of the spark plug to extend into a pre-bending groove. And the spark plug electrode is bent through the radian of the pre-bending groove, so that pre-bending treatment can be conveniently carried out on the spark plug electrode.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of spark plug electrode processing, especially relates to a pre-bending station mechanism of spark plug upper side electrode. BACKGROUND

[0002] Spark plug is the important element of gasoline engine ignition system, it can introduce high voltage electricity into combustion chamber, and make it jump over electrode gap and produce spark, thereby igniting combustible mixture in cylinder. Spark plug is mainly composed of binding nut, insulator, binding screw, center electrode, side electrode and shell, side electrode is welded on shell. The working principle of spark plug is that the electric plate of spark plug produces pulse high voltage to break through the air between two electrodes of spark plug, forms spark and produces explosion to ignite the mixed gas in cylinder, and then the engine will start to run. Spark plug is various, according to material, it can be divided into nickel alloy spark plug, platinum spark plug and iridium spark plug, according to shape, it can be divided into quasi-type spark plug, electrode-type spark plug, margin body protruding type spark plug, seat type spark plug and face jump fire type spark plug, according to heat value, it can be divided into cold type spark plug and hot type spark plug.

[0003] The existing spark plug electrode is directly bent and processed by the device during processing, which is not convenient for pre-bending processing of the electrode, and directly bending and processing the electrode can easily cause stress concentration at the bent part of the electrode, increasing the risk of cracking and breaking. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a pre-bending station mechanism of spark plug upper side electrode, which realizes the effect of pre-bending processing of the spark plug electrode, and solves the problem of inconvenient pre-bending processing of the spark plug electrode in the prior art.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A pre-bending station mechanism of spark plug upper side electrode, including base, the inside of base is provided with conveying belt, a plurality of bearing plates are fixedly connected on the surface of conveying belt at equal intervals, a plurality of placing grooves are arranged on the upper end of bearing plate, support, the support is arranged on the upper end of base, the inside of support is slidably connected with movable plate, the inside of movable plate is provided with cavity, a plurality of through grooves are arranged on the lower end of movable plate and penetrate through, the upper end of through groove is communicated with the lower end of cavity, a plurality of pre-bending grooves are arranged in the inside of movable plate, the lower end of pre-bending groove is communicated with the upper end of cavity, and the inside of cavity is slidably connected with compression roller.

[0007] Preferably, the side wall of base is fixedly connected with motor, the inside of base is rotatably connected with transmission roller, and the output end of motor is fixedly connected with the end portion of transmission roller.

[0008] Preferably, an auxiliary roller is rotatably connected inside the base, and the conveying belt is sleeved outside the auxiliary roller and the transmission roller.

[0009] Preferably, a fixed block is fixedly connected between the inner walls on the two sides of the base, the fixed block is located inside the conveying belt, and the upper end of the fixed block is attached to the lower end of the conveying belt.

[0010] Preferably, a hydraulic cylinder is fixedly connected to the upper end of the support, the output end of the hydraulic cylinder is slidably connected to the upper end of the support, and the output end of the hydraulic cylinder is fixedly connected to the upper end of the movable plate.

[0011] Preferably, a movable frame is slidably connected inside the cavity, the compression roller is rotatably connected to the movable frame, an electric push rod is fixedly connected to the side wall of the movable plate, the output end of the electric push rod is slidably connected to the side wall of the movable plate, and the output end of the electric push rod is fixedly connected to the side wall of the movable frame.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] 1. The operator places the lower end of the spark plug in the placing groove, drives the transmission roller to rotate through the motor, cooperates between the transmission roller and the auxiliary roller, makes the conveying belt work, drives the bearing plate to move through the conveying belt, moves the spark plug to the lower end of the through groove, makes the upper end of the spark plug electrode extend to the inside of the cavity through the through groove by sliding the movable plate downward through the hydraulic cylinder, and continues to slide the movable plate downward, so that the upper end of the spark plug electrode extends to the inside of the pre-bending groove, and the spark plug electrode is bent through the arc of the pre-bending groove, thereby facilitating the pre-bending treatment of the spark plug electrode.

[0014] 2. After the spark plug electrode is pre-bent, the movable plate is pulled upward by the hydraulic cylinder, the upper end of the spark plug moves to the inside of the through groove, and the spark plug electrode is located in the cavity, the movable frame is slidably driven by the electric push rod, the compression roller is driven to move to the pre-bent spark plug electrode, and the compression roller is bent again to the spark plug electrode, thereby bending the spark plug electrode to a specified specification. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is an external structure schematic diagram of the pre-bending station mechanism of the upper side electrode of the spark plug.

[0016] Figure 2 It is a front view cross-sectional structure schematic diagram of the pre-bending station mechanism of the upper side electrode of the spark plug.

[0017] Figure 3 It is a side view cross-sectional structure schematic diagram of the pre-bending station mechanism of the upper side electrode of the spark plug.

[0018] Figure 4 For Figure 2 Structure diagram of A part in the middle.

[0019] In the figure: 1 base, 2 motor, 3 transmission roller, 4 auxiliary roller, 5 conveying belt, 6 fixed block, 7 bearing plate, 8 placing groove, 9 support, 10 hydraulic cylinder, 11 movable plate, 12 cavity, 13 through groove, 14 pre-bending groove, 15 electric push rod, 16 movable frame, 17 compression roller. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0021] Referring to Figures 1-4 A pre-bending station mechanism of an upper electrode of a spark plug, comprising a base 1, the base 1 is internally provided with a conveying belt 5, a plurality of bearing plates 7 are fixedly connected on the surface of the conveying belt 5 at equal intervals, and a plurality of placing grooves 8 are arranged on the upper end of the bearing plate 7; a support 9 is arranged on the upper end of the base 1, a movable plate 11 is slidably connected in the support 9, a cavity 12 is arranged in the movable plate 11, a plurality of through grooves 13 are arranged on the lower end of the movable plate 11, the upper end of the through groove 13 is communicated with the lower end of the cavity 12, a plurality of pre-bending grooves 14 are arranged in the movable plate 11, the lower end of the pre-bending groove 14 is communicated with the upper end of the cavity 12, a compression roller 17 is slidably connected in the cavity 12, and the lower end of the bearing plate 7 is fixedly connected with the surface of the conveying belt 5. An operator places the lower end of the spark plug in the placing groove 8, moves the bearing plate 7 by means of the conveying belt 5, moves the spark plug to the lower end of the through groove 13, slides the movable plate 11 downward, so that the upper end electrode of the spark plug extends to the inside of the cavity 12 through the through groove 13, continuously slides the movable plate 11 downward, so that the upper end electrode of the spark plug extends to the inside of the pre-bending groove 14, the electrode of the spark plug is bent through the arc of the pre-bending groove 14, slides the movable plate 11 upward after the electrode of the spark plug is pre-bent, so that the upper end of the spark plug moves to the inside of the through groove 13, and the electrode of the spark plug is located in the inside of the cavity 12, and the compression roller 17 is used for bending the electrode of the spark plug again, so that the electrode of the spark plug is bent into a specified specification.

[0022] A motor 2 is fixedly connected to the side wall of the base 1, a transmission roller 3 is rotatably connected in the base 1, and the output end of the motor 2 is fixedly connected with the end portion of the transmission roller 3, so that the transmission roller 3 is driven to rotate by the motor 2.

[0023] An auxiliary roller 4 is rotatably connected in the base 1, and the conveying belt 5 is sleeved outside the auxiliary roller 4 and the transmission roller 3, so that the conveying belt 5 operates when the transmission roller 3 rotates through the cooperation between the transmission roller 3 and the auxiliary roller 4.

[0024] The fixed block 6 is located in the inside of the conveying belt 5, the upper end of the fixed block 6 is attached to the lower end of the conveying belt 5, when the movable plate 11 pre-bends the electrode of the spark plug, the fixed block 6 generates stress on the conveying belt 5 and the bearing plate 7, so that the elasticity of the conveying belt 5 does not cause the movable plate 11 to fail to pre-bend the electrode of the spark plug.

[0025] The upper end of the support 9 is fixedly connected with a hydraulic cylinder 10, the output end of the hydraulic cylinder 10 is slidably connected with the upper end of the support 9, and the output end of the hydraulic cylinder 10 is fixedly connected with the upper end of the movable plate 11.

[0026] The movable frame 16 is slidably connected in the cavity 12, the compression roller 17 is rotationally connected with the movable frame 16, the movable plate 11 is fixedly connected with an electric push rod 15, the output end of the electric push rod 15 is slidably connected with the side wall of the movable plate 11, and the output end of the electric push rod 15 is fixedly connected with the side wall of the movable frame 16.

[0027] In the utility model, the operator places the lower end of the spark plug in the placing groove 8, drives the transmission roller 3 to rotate through the motor 2, cooperates between the transmission roller 3 and the auxiliary roller 4, makes the conveying belt 5 work, drives the bearing plate 7 to move through the conveying belt 5, moves the spark plug to the lower end of the through groove 13, drives the movable plate 11 to slide downwards through the hydraulic cylinder 10, makes the upper end of the spark plug extend to the inside of the cavity 12 through the through groove 13, and the movable plate 11 continues to slide downwards, makes the upper end of the spark plug extend to the inside of the pre-bending groove 14, and the electrode of the spark plug is curved through the arc of the pre-bending groove 14.

[0028] After the electrode of the spark plug is pre-bent, the hydraulic cylinder 10 drives the movable plate 11 to slide upwards, the upper end of the spark plug moves to the inside of the through groove 13, and the electrode of the spark plug is located in the inside of the cavity 12, drives the movable frame 16 to slide through the electric push rod 15, makes the movable frame 16 drive the compression roller 17 to move to the electrode of the pre-bent spark plug, makes the compression roller 17 bend the electrode of the spark plug again, and the electrode of the spark plug is bent into a specified specification.

[0029] The above only describes the preferred embodiment of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.

Claims

1. A pre-bend station mechanism for a side electrode of a spark plug, characterized by, Comprising The base (1) is internally provided with a conveying belt (5), the surface of the conveying belt (5) is equidistantly and fixedly connected with a plurality of bearing plates (7), and the upper end of the bearing plate (7) is provided with a plurality of placing grooves (8); The support (9) is arranged at the upper end of the base (1), the inner side of the support (9) is slidably connected with a movable plate (11), the inner side of the movable plate (11) is provided with a cavity (12), the lower end of the movable plate (11) is penetratingly provided with a plurality of through grooves (13), the upper end of the through groove (13) is in communication with the lower end of the cavity (12), the inner side of the movable plate (11) is provided with a plurality of pre-bending grooves (14), the lower end of the pre-bending groove (14) is in communication with the upper end of the cavity (12), and the inner side of the cavity (12) is slidably connected with a compression roller (17).

2. A pre-bending station mechanism for side electrode of a spark plug according to claim 1, characterized in that, The side wall of the base (1) is fixedly connected with a motor (2), and the inner side of the base (1) is rotatably connected with a transmission roller (3), and the output end of the motor (2) is fixedly connected with the end portion of the transmission roller (3).

3. A pre-bending station mechanism for side electrode of a spark plug according to claim 1, characterized in that, The inner side of the base (1) is rotatably connected with an auxiliary roller (4), and the conveying belt (5) is sleeved on the outer side of the auxiliary roller (4) and the transmission roller (3).

4. A pre-bend station mechanism for side electrode of a spark plug as set forth in claim 1, wherein The inner wall between the two sides of the base (1) is fixedly connected with a fixed block (6), the fixed block (6) is located in the inner side of the conveying belt (5), and the upper end of the fixed block (6) is attached to the lower end of the conveying belt (5).

5. A pre-bend station mechanism for side electrode of a spark plug as defined in claim 1, wherein The upper end of the support (9) is fixedly connected with a hydraulic cylinder (10), the output end of the hydraulic cylinder (10) is penetratingly and slidably connected with the upper end of the support (9), and the output end of the hydraulic cylinder (10) is fixedly connected with the upper end of the movable plate (11).

6. A pre-bend station mechanism for side electrode of a spark plug as defined in claim 1, wherein The inner side of the cavity (12) is slidably connected with a movable frame (16), the compression roller (17) is rotatably connected with the movable frame (16), the side wall of the movable plate (11) is fixedly connected with an electric push rod (15), the output end of the electric push rod (15) is penetratingly and slidably connected with the side wall of the movable plate (11), and the output end of the electric push rod (15) is fixedly connected with the side wall of the movable frame (16).

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