Cold heading forming device for screw fastener

Abstract

The utility model relates to the technical field of screw fastener machining, in particular to a screw fastener cold heading forming device which comprises a die casting used for machining a screw fastener, the die casting is composed of an installation table, a fixed table, a hydraulic cylinder and a movable table, the output end of the hydraulic cylinder is fixedly connected with an installation plate, a positioning block is installed on the installation plate, and the movable table is fixedly connected with the fixed table. A connecting plate is fixedly installed on the positioning block, and the moving table is arranged on the connecting plate. The positioning block extends into the mounting plate, and the mounting plate and the connecting plate are mounted or dismounted, so that the mounting table can be used for assembling moving tables of different specifications, and the overall adaptability of a die casting is improved; the electromagnetic suction plate is driven by the moving frame to extend to the second fixing table, after the electromagnetic suction plate moves to the position above the fixing table, screw fasteners in the fixing table can be sucked, and then the screw fasteners are convenient to discharge.

Description

TECHNICAL FIELD

[0001] The utility model relates to screw fastener processing technical field especially relates to a screw fastener cold heading forming device. BACKGROUND

[0002] Screw fastener is the use of object's inclined plane circular rotation and friction force physics and mathematics principle, gradually tightens the tool of machine part.

[0003] Screw fastener is used in production and processing, will use the cold heading forming process, through the downshift of moving platform to the screw fastener in fixed platform and is punched, and this processing mode has the following shortcomings: the application range of screw fastener is more extensive, the specification of screw fastener is different, and the moving platform is usually fixed installation, this makes the processing equipment in the processing of different specifications of screw fastener is more inconvenient, and further increases the operation cost; Screw fastener needs to be taken out from the fixed platform after processing, and the quantity of screw fastener makes the screw fastener more tedious when discharging, and further prolongs the time length of screw fastener processing. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at solving the inconvenient problem of the moving platform fixed installation in the processing of different specifications of screw fastener in the prior art, and provides a screw fastener cold heading forming device.

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

[0006] A screw fastener cold heading forming device, including the die casting for processing screw fastener, and the die casting is composed of installation platform, fixed platform, hydraulic cylinder, moving platform, the output end of hydraulic cylinder is fixedly connected with mounting plate, and the mounting plate is installed with positioning block, the positioning block is fixedly installed with connecting plate, the moving platform is located on the connecting plate, the mounting plate is provided with the clamp structure for clamping the connecting plate, and the installation platform is connected with the electromagnetic suction plate for discharging screw fastener through the moving part.

[0007] Preferably, the connecting plate and the positioning block extend to one side position in the mounting plate, and the mounting plate and the connecting plate are arranged horizontally from top to bottom.

[0008] Preferably, the clamp structure includes a limiting rod slidingly sleeved in the mounting plate and extending into the positioning block, and a spring one is welded between the limiting rod and the mounting plate, the limiting frame connected with the limiting rod is slidingly sleeved in the mounting plate, the clamp frame is installed on the mounting plate and the connecting plate, the guide rod connected with the mounting plate is slidingly sleeved on the installation platform, the support plate is fixedly installed on the guide rod, and the spring two matched with the guide rod is welded between the support plate and the installation platform.

[0009] Preferably, the limiting rod is horizontally arranged at both sides of the positioning block, the positioning block is internally provided with a groove matched with the limiting rod, the limiting frame is of T-shaped structure, and a locking bolt connected with the mounting plate is threadedly connected to the limiting frame, the upper end of the supporting plate and the guide rod extending out of the mounting table, the second spring is sleeved on the guide rod, the clamping bracket is of concave structure, and a limiting bolt connected with the mounting plate and the connecting plate is threadedly connected to the clamping bracket.

[0010] Preferably, the moving part comprises a moving frame sleeved on the mounting table, the mounting table is provided with a telescopic rod connected with the moving frame, a motor is fixedly installed on the moving frame, and a rotating shaft one is fixedly connected to the output end of the motor, a rotating shaft two is rotatably installed on the moving frame and in transmission connection with the rotating shaft one, and the electromagnetic suction plate is arranged on the rotating shaft one and the rotating shaft two.

[0011] Preferably, the rotating shaft one and the rotating shaft two are horizontally arranged correspondingly, gear one and gear two are fixedly installed on the rotating shaft one and the rotating shaft two respectively and in meshing connection, and the moving frame is horizontally arranged above the fixed table.

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

[0013] 1. The utility model discloses a positioning block extends to the mounting plate, and the mounting plate and the connecting plate are connected through the limiting rod, and the mounting plate and the connecting plate are installed or disassembled, so that the mounting table can assemble the mobile table of different specifications, and the overall adaptability of the die casting is improved.

[0014] 2. The utility model discloses a moving frame drives the electromagnetic suction plate to extend to the fixed table two, when the electromagnetic suction plate moves to the position above the fixed table, the screw fastening piece in the fixed table can be sucked, and the screw fastening piece is more convenient when discharging. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structure schematic view of a screw fastening piece cold heading forming device provided by the utility model;

[0016] Figure 2 It is a mounting table sectional view of a screw fastening piece cold heading forming device provided by the utility model;

[0017] Figure 3 It is a sectional view of a screw fastening piece cold heading forming device provided by the utility model;

[0018] Figure 4 It is a side sectional view of a screw fastening piece cold heading forming device provided by the utility model.

[0019] In the figure: 1, installation platform; 2, fixed platform; 3, hydraulic cylinder; 4, moving platform; 5, mounting plate; 6, positioning block; 7, connecting plate; 8, clamp frame; 9, limit rod; 10, spring one; 11, moving frame; 12, telescopic rod; 13, motor; 14, rotating shaft one; 15, rotating shaft two; 16, electromagnetic suction plate; 17, guide rod; 18, support plate; 19, spring two. 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, not all the embodiments.

[0021] Reference Figures 1-4 A screw fastener cold heading forming device, comprising a die casting for processing screw fasteners, and the die casting is composed of an installation platform 1, a fixed platform 2, a hydraulic cylinder 3 and a moving platform 4. The hydraulic cylinder 3 drives the moving platform 4 to move downward after being electrified. The moving platform 4 extends to the fixed platform 2 after moving downward and processes the screw fasteners. The technical solution is prior art, which will not be described in detail here.

[0022] The installation plate 5 is fixedly connected to the output end of the hydraulic cylinder 3, and the positioning block 6 is installed on the installation plate 5. The connecting plate 7 is fixedly installed on the positioning block 6. The moving platform 4 is arranged on the connecting plate 7. The connecting plate 7 and the positioning block 6 extend to one side position in the installation plate 5. The installation plate 5 and the connecting plate 7 are arranged horizontally from top to bottom. The installation plate 5 is provided with a clamp structure for clamping the connecting plate 7.

[0023] The clamp structure comprises a limit rod 9 which is slidably sleeved in the installation plate 5 and extends into the positioning block 6. The spring one 10 is welded between the limit rod 9 and the installation plate 5. The limit rod 9 is connected with the limit frame which is slidably sleeved in the installation plate 5. The installation plate 5 realizes the guiding effect of the positioning block 6, so that the positioning block 6 can stably extend into the positioning block 6 when moving. The spring one 10 realizes the resetting effect of the limit rod 9. When the limit frame is in the idle state, the spring one 10 drives the limit rod 9 to return to the initial position. The limit rod 9 is driven to extend into the recess in the positioning block 6 under the extension of the spring one 10, which can preliminarily connect the positioning block 6 and the connecting plate 7.

[0024] The clamp frame 8 is installed on the installation plate 5 and the connecting plate 7. The guide rod 17 which is connected with the installation plate 5 is slidably sleeved on the installation platform 1. The support plate 18 is fixedly installed on the guide rod 17. The spring two 19 which cooperates with the guide rod 17 is welded between the support plate 18 and the installation platform 1. The installation platform 1 realizes the guiding effect of the guide rod 17. The spring two 19 can control the moving speed of the installation plate 5 by welding the spring two 19 between the spring two 19 and the installation platform 1, which can avoid the too fast moving speed of the installation plate 5.

[0025] The limiting rod 9 is horizontally arranged at both sides of the positioning block 6, and the positioning block 6 is provided with a groove matched with the limiting rod 9; the limiting frame is of T-shaped structure, and a locking bolt connected with the mounting plate 5 is threadedly connected to the limiting frame.

[0026] The upper end of the supporting plate 18 and the guide rod 17 extends out of the mounting table 1, the spring 19 is sleeved on the guide rod 17, the clamp frame 8 is of concave structure, and a limiting bolt connected with the mounting plate 5 and the connecting plate 7 is threadedly connected to the clamp frame 8; the mounting plate 5 and the positioning block 6 are initially arranged in sequence, and the clamp frame 8 is arranged on the mounting plate 5 and the connecting plate 7, so that the stability of the mounting plate 5 and the connecting plate 7 can be ensured after limiting, and the mounting plate 4 can clamp screw fasteners of different specifications by mounting the mounting plate 4.

[0027] The mounting table 1 is connected with an electromagnetic suction plate 16 for discharging screw fasteners through a moving part.

[0028] The moving part comprises a moving frame 11 sleeved on the mounting table 1, a telescopic rod 12 connected with the moving frame 11 is arranged on the mounting table 1, a motor 13 is fixedly arranged on the moving frame 11, a rotating shaft 14 is fixedly connected to the output end of the motor 13, a rotating shaft 15 is rotatably arranged on the moving frame 11 and is in transmission connection with the rotating shaft 14, and the electromagnetic suction plate 16 is arranged on the rotating shaft 14 and the rotating shaft 15.

[0029] The rotating shaft 14 and the rotating shaft 15 are horizontally arranged in correspondence, gear 1 and gear 2 are fixedly arranged on the rotating shaft 14 and the rotating shaft 15 respectively and are in meshing connection, the moving frame 11 is horizontally arranged above the fixed table 2, the gear 1 and the gear 2 are straight gears with the same number of teeth, so that the rotating shaft 14 and the rotating shaft 15 can rotate at the same speed in opposite directions, the telescopic rod 12 is retracted to drive the moving frame 11 to move to the position above the fixed table 2, and the electromagnetic suction plate 16 can be horizontally arranged above the fixed table 2 through the traction of the rotating shaft 14 and the rotating shaft 15, so that the screw fastener can be conveniently discharged when discharging.

[0030] It should be noted that the specific type and size of the hydraulic cylinder 3, the telescopic rod 12, the motor 13 and the electromagnetic suction plate 16 need to be determined according to the actual size of the device, and the specific selection calculation method adopts the existing technology in the art, so it is not described here.

[0031] The function principle of the device can be described by the following operation mode:

[0032] The moving table 4 is selected according to the specification of the screw fastener, the two limiting frames are extracted, and the spring 10 is stressed.

[0033] The connecting plate 7 with the mobile station 4 is lifted, the connecting plate 7 drives the positioning block 6 to extend into the mounting plate 5, the extraction of the limiting frame is loosened, under the action of the spring 10, the limiting rod 9 extends into the groove in the positioning block 6, the locking bolt is used to connect between the limiting frame and the mounting plate 5;

[0034] The clamp frame 8 is placed on the mounting plate 5 and the connecting plate 7, the limiting bolt is used to connect between the mounting plate 5 and the connecting plate 7;

[0035] After the conveying belt is powered, the screw fastener is conveyed into the fixing table 2, the output end of the hydraulic cylinder 3 is extended to drive the mounting plate 5 to move downwards, the mounting plate 5 drives the mobile station 4 to move downwards and clamps the screw fastener in the fixing table 2, the mounting plate 5 moves downwards to drive the guide rod 17 to slide in the mounting table 1, and the spring 19 is stressed;

[0036] When the screw fastener is processed, the mounting plate 5 returns to the initial position;

[0037] The output end of the telescopic rod 12 is retracted to drive the moving frame 11 to slide in the mounting table 1, the output end of the motor 13 drives the rotating shaft 14 to rotate, the rotating shaft 14 drives the rotating shaft 15 to rotate through the meshing connection of the gear 1 and the gear 2 when rotating, the rotating shaft 14 and the rotating shaft 15 drive the electromagnetic suction plate 16 to gradually horizontally, the electromagnetic suction plate 16 is powered to adsorb the screw fastener, the telescopic rod 12 is powered again to make the screw fastener discharged out of the mounting table 1.

[0038] The above is only the preferred specific implementation of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art according to the technical scheme and the application concept of the present application within the technical range disclosed by the present application makes equivalent replacement or change, should be covered in the protection scope of the present application.

Claims

1. A screw fastener cold heading forming device, comprising a die for processing a screw fastener, and the die is composed of a mounting table (1), a fixed table (2), a hydraulic cylinder (3), a moving table (4), characterized in that, The hydraulic cylinder (3) output end is fixedly connected with a mounting plate (5), and the mounting plate (5) is provided with a positioning block (6), the positioning block (6) is fixedly connected with a connecting plate (7), the moving table (4) is arranged on the connecting plate (7), the mounting plate (5) is provided with a clamp structure for clamping the connecting plate (7), and the mounting table (1) is connected with an electromagnetic suction plate (16) for feeding screws through a moving piece.

2. A screw fastener cold heading forming apparatus according to claim 1, wherein The connecting plate (7) and the positioning block (6) extend to one side of the mounting plate (5), and the mounting plate (5) and the connecting plate (7) are arranged horizontally from top to bottom.

3. A screw fastener cold heading forming apparatus according to claim 1, wherein The clamp structure comprises a limiting rod (9) slidably sleeved in the mounting plate (5) and extending into the positioning block (6), and a spring (10) is welded between the limiting rod (9) and the mounting plate (5), the mounting plate (5) is slidably sleeved with a limiting frame connected with the limiting rod (9), the mounting plate (5) and the connecting plate (7) are provided with a clamp frame (8), the mounting table (1) is slidably sleeved with a guide rod (17) connected with the mounting plate (5), and the guide rod (17) is fixedly connected with a support plate (18), and the support plate (18) and the mounting table (1) are welded with a spring (19) matched with the guide rod (17).

4. A screw fastener cold heading forming apparatus according to claim 3, wherein The limiting rod (9) is arranged horizontally at both sides of the positioning block (6), the positioning block (6) is provided with a groove matched with the limiting rod (9), the limiting frame is of T-shaped structure, and a locking bolt connected with the mounting plate (5) is threadedly connected to the limiting frame, the support plate (18) and the guide rod (17) extend to the upper end position outside the mounting table (1), the spring (19) is sleeved on the guide rod (17), the clamp frame (8) is of concave structure, and a limiting bolt connected with the mounting plate (5) and the connecting plate (7) is threadedly connected to the clamp frame (8).

5. A screw fastener cold heading forming apparatus according to claim 1, wherein The moving piece comprises a moving frame (11) slidably sleeved on the mounting table (1), the mounting table (1) is provided with a telescopic rod (12) connected with the moving frame (11), the moving frame (11) is fixedly connected with a motor (13), and the output end of the motor (13) is fixedly connected with a rotating shaft (14), the moving frame (11) is rotatably connected with a rotating shaft (15) in transmission connection with the rotating shaft (14), and the electromagnetic suction plate (16) is arranged on the rotating shaft (14) and the rotating shaft (15).

6. A screw fastener cold heading forming apparatus according to claim 5, wherein The rotating shaft (14) and the rotating shaft (15) are arranged horizontally in correspondence, and the rotating shaft (14) and the rotating shaft (15) are respectively fixedly connected with a gear (1) and a gear (2) in meshing connection, and the moving frame (11) is arranged horizontally above the fixed table (2).

Images