Corrosion-resistant screw fastener cold header

Abstract

The utility model relates to the technical field of fastener forming, and provides a corrosion-resistant screw fastener cold header which comprises an equipment base and a vertical frame, the vertical frame is arranged on the surface of the equipment base, a stamping assembly is arranged at the top of the vertical frame, a groove is formed in the surface of the equipment base, a material changing assembly is arranged in the equipment base, and a discharging cooling assembly is arranged at the bottom of the groove. The inner cavity is formed in the equipment base, a rotating shaft frame is rotationally connected between the inner cavity and the groove, a driving motor is arranged at the bottom in the inner cavity, and transmission gears are arranged on the output end of the driving motor and the rotating shaft frame. According to the technical scheme, the problem that in the prior art, after an existing cold header completes stamping treatment of one raw material, a finished product generally needs to be manually taken down, after the finished product is taken down, the next raw material is placed at the machining position, then machining of the next raw material can be conducted, and consequently the whole operation step is not continuous and efficient enough is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to fastener forming technical field, specifically, relate to a kind of corrosion-resistant screw fastener cold header. BACKGROUND

[0002] Cold header is a kind of special equipment specially used to mass-produce nut bolt and other fasteners, under normal temperature, a certain pressure is exerted on metal blank, so that it is plastically deformed in the mold cavity, and the blank can be formed according to the specified shape and size, and cold header has been widely used in the production field of bolt.

[0003] The existing cold header generally needs to manually take down the finished product after completing the stamping process of each raw material, and then place the next raw material at the processing position to process the next raw material, which leads to discontinuous and inefficient operation steps, and since the fastener is formed by instantaneous stamping, the temperature of the fastener rises sharply in the forming moment, so the operator cannot directly take out the formed product, which further reduces the processing efficiency, and the grinding tool of cold heading stamping is in a high-temperature state, which may cause corrosion.

[0004] Therefore, the above problems are improved. UTILITY MODEL CONTENTS

[0005] The utility model provides a kind of corrosion-resistant screw fastener cold header, solve the problem that the existing cold header in the related art generally needs to manually take down the finished product after completing the stamping process of each raw material, and then place the next raw material at the processing position to process the next raw material, which leads to discontinuous and inefficient operation steps.

[0006] The technical scheme of the utility model is as follows: including

[0007] Equipment seat and stand, the stand is arranged on the surface of the equipment seat;

[0008] Stamping assembly, the stamping assembly is arranged on the top of the stand;

[0009] Groove and material changing assembly, the groove is opened in the surface of the equipment seat, and the material changing assembly is arranged in the equipment seat;

[0010] Discharging and cooling assembly, the discharging and cooling assembly is arranged at the bottom of the groove;

[0011] The material changing assembly includes an inner cavity, the inner cavity is opened in the inner part of the equipment seat, a rotating shaft frame is rotatably connected between the inner cavity and the groove, a drive motor is arranged at the inner bottom of the inner cavity, and a transmission gear is arranged on the output end of the drive motor and the rotating shaft frame.

[0012] As a further technical scheme, the transmission gear is engaged, control motors are installed at both ends of the rotating shaft frame, mold bases are rotatably sleeved and connected to both ends of the rotating shaft frame, sliding grooves are arranged at the bottom of the mold bases, and sliding channels are arranged in the grooves and are slidably sleeved and connected with the sliding grooves.

[0013] As a further technical scheme, the stamping assembly comprises a pair of lifting hydraulic cylinders, the lifting hydraulic cylinders are installed at the top of the stand, a pair of cylinders are arranged in the stand, lifting seats are slidably sleeved and connected outside the cylinders, and the lifting seats are connected with the output ends of the lifting hydraulic cylinders.

[0014] As a further technical scheme, stamping hydraulic cylinders are installed on the lifting seats, fixed seats are connected with the output ends of the stamping hydraulic cylinders, stamping heads are rotatably connected outside the fixed seats, and external gears are arranged at the top of the stamping heads.

[0015] As a further technical scheme, switching motors are arranged at the top of the lifting seats, drive gears are arranged at the output ends of the switching motors, and the drive gears are engaged with the external gears.

[0016] As a further technical scheme, the discharging and cooling assembly comprises a discharging groove, the discharging groove is arranged in the bottom of the groove, a pair of side grooves are arranged in the side surface of the equipment seat, air coolers are arranged in the side grooves, and a pair of air cavities are arranged in the equipment seat.

[0017] As a further technical scheme, the output ends of the air coolers are communicated with the air cavities, the surface of the air cavities is of a perforated structure, telescopic air cylinders are arranged in the inner cavities, push plates are connected with the output ends of the telescopic air cylinders, and the push plates are arranged in the discharging groove.

[0018] As a further technical scheme, the mold base can be controlled to be turned over by 180 degrees through the switching motor.

[0019] As a further technical scheme, the perforated part of the air cavity is of an inclined structure surface, and the perforated part of the air cavity faces the mold base.

[0020] The working principle and beneficial effects of the utility model are as follows:

[0021] 1. The utility model discloses a material replacing assembly, rotating shaft frames, drive motors, control motors, mold bases and sliding channels are interacted, two mold bases are arranged at the same time, the mold base can be turned over by 180 degrees through the drive motor, the fastener after stamping can directly fall down, and manual operation is not needed.

[0022] 2. The utility model is provided with a discharge cooling component, which can blow air outwards through a cold air blower in conjunction with an air cavity with air holes. The blown cold air can directly cover the mold base and cool it down. At the same time, it can also cool the fasteners, which can be pushed outwards with the help of a push plate for easy removal. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The present invention will be further described in detail below with reference to the accompanying drawings and specific implementation methods.

[0024] Figure 1 This is a schematic diagram of the structure of the utility model;

[0025] Figure 2 This is the axonometric drawing of the utility model;

[0026] Figure 3 This is an axonometric sectional view of the utility model;

[0027] Figure 4 For this utility model Figure 3 A partial enlarged view of part A;

[0028] In the figure: 1. Equipment base; 2. Stand; 3. Groove; 4. Material changing assembly; 4-1. Inner cavity; 4-2. Rotating shaft frame; 4-3. Driving motor; 4-4. Transmission gear; 4-5. Control motor; 4-6. Die base; 4-7. Sliding groove; 4-8. Slide; 5. Stamping assembly; 5-1. Lifting hydraulic cylinder; 5-2. Cylinder; 5-3. Lifting seat; 5-4. Stamping hydraulic cylinder; 5-5. Fixed seat; 5-6. Punching head; 5-7. External gear; 5-8. Switching motor; 5-9. Driving gear; 6. Discharge cooling assembly; 6-1. Discharge trough; 6-2. Side trough; 6-3. Air cooler; 6-4. Air cavity; 6-5. Telescopic cylinder; 6-6. Push plate. DETAILED DESCRIPTION

[0029] The following will be combined with the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0030] like Figures 1-4 As shown, this embodiment provides a corrosion-resistant screw fastener cold heading machine, including

[0031] The equipment base 1 and the stand 2, the stand 2 is arranged on the surface of the equipment base 1;

[0032] The punching assembly 5 is arranged on the top of the stand 2;

[0033] The recess 3 is arranged on the surface of the device seat 1, and the material replacing assembly 4 is arranged in the device seat 1;

[0034] The discharging cooling assembly 6 is arranged at the bottom of the recess 3.

[0035] The material replacing assembly 4 comprises an inner cavity 4-1 arranged in the device seat 1, a rotating shaft frame 4-2 rotatably connected between the inner cavity 4-1 and the recess 3, a driving motor 4-3 arranged at the bottom of the inner cavity 4-1, transmission gears 4-4 arranged on the output end of the driving motor 4-3 and the rotating shaft frame 4-2 and engaged with each other, control motors 4-5 mounted at the two ends of the rotating shaft frame 4-2, a mold base 4-6 rotatably connected to the two ends of the rotating shaft frame 4-2, and a sliding groove 4-7 arranged at the bottom of the mold base 4-6 and slidably connected with a sliding channel 4-8 arranged in the recess 3.

[0036] In the embodiment, the material replacing assembly 4 is designed to realize the effect of rapid material replacing and discharging. The inner cavity 4-1 is arranged in the device seat 1, the rotating shaft frame 4-2 is rotatably connected to the top of the inner cavity 4-1, the driving motor 4-3 is mounted, the transmission gears 4-4 are arranged on the output end of the driving motor 4-3 and the lower end of the rotating shaft frame 4-2 and engaged with each other, the rotating shaft frame 4-2 is controlled to rotate by the driving motor 4-3, the control motors 4-5 are arranged at the two ends of the rotating shaft frame 4-2, the mold base 4-6 is rotatably sleeved outside, the mold base 4-6 is connected to the lower end of the control motor 4-5, the mold base 4-6 is driven to overturn by the control motor 4-5, the formed screw or fastener is dropped downward after overturning, the sliding channel 4-7 is arranged at the bottom of the mold base 4-6 and slidably connected with the sliding channel 4-8 arranged in the recess 3, and the mold base 4-6 is assisted to slide and supported along the rotating path.

[0037] Further, the stamping assembly 5 comprises a pair of lifting hydraulic cylinders 5-1 mounted on the top of the stand 2, a pair of cylinders 5-2 arranged in the stand 2, a lifting seat 5-3 slidably sleeved outside the cylinders 5-2 and connected to the output end of the lifting hydraulic cylinders 5-1, a stamping hydraulic cylinder 5-4 mounted on the lifting seat 5-3, a fixed seat 5-5 connected to the output end of the stamping hydraulic cylinder 5-4, a stamping head 5-6 rotatably connected to the outside of the fixed seat 5-5, an external gear 5-7 arranged on the top of the stamping head 5-6, a switching motor 5-8 arranged on the top of the lifting seat 5-3, a driving gear 5-9 arranged on the output end of the switching motor 5-8 and engaged with the external gear 5-7.

[0038] In this embodiment, in order to realize the stamping effect of the rotatable switching position, a stamping assembly 5 is designed, a lifting hydraulic cylinder 5-1 is arranged at the top of the stand 2, a pair of cylinders 5-2 are arranged inside, a lifting seat 5-3 is slidably connected to the cylinders 5-2, the lifting seat 5-3 is controlled to move up and down by the lifting hydraulic cylinder 5-1, a stamping hydraulic cylinder 5-4 and a switching motor 5-8 are installed on the lifting seat 5-3, a fixed seat 5-5 is arranged at the output end of the stamping hydraulic cylinder 5-4, a stamping head 5-6 is rotatably connected to the fixed seat 5-5, the stamping head 5-6 can rotate 360°, and an external gear 5-7 is further arranged on the surface of the stamping head 5-6, a driving gear 5-9 is arranged at the output end of the driving motor 4-3, the driving gear 5-9 is engaged with the external gear 5-7, the stamping head 5-6 can be controlled to rotate and change position by the switching motor 5-8, and can correspond to the mold seat 4-6.

[0039] Further, the discharge cooling assembly 6 includes a discharge groove 6-1, which is arranged in the bottom of the groove 3, a pair of side grooves 6-2 are arranged on the side surface of the equipment seat 1, a cold air fan 6-3 is arranged in the side groove 6-2, a pair of air cavities 6-4 are arranged in the equipment seat 1, the output end of the cold air fan 6-3 is communicated with the air cavity 6-4, the surface of the air cavity 6-4 is a hole structure, a telescopic air cylinder 6-5 is arranged on the inner side of the inner cavity 4-1, a pushing plate 6-6 is connected to the output end of the telescopic air cylinder 6-5, and the pushing plate 6-6 is located in the discharge groove 6-1.

[0040] In this embodiment, in order to realize the effect of cooling the mold seat 4-6 and the fastener during the discharging process, a discharge cooling assembly 6 is designed, a discharge groove 6-1 is arranged in the bottom of the groove 3, two side grooves 6-2 are arranged in the equipment frame and a cold air fan 6-3 is installed inside, a hole air cavity 6-4 is also arranged, the hole air cavity 6-4 is communicated with the output end of the cold air fan 6-3, cold air can be blown out through the hole of the hole air cavity 6-4 to achieve the effect of cooling, a telescopic air cylinder 6-5 is further arranged in the inner cavity 4-1, and a pushing plate 6-6 is connected to the output end of the telescopic air cylinder 6-5, which can push the fastener in the side groove 6-2 outward.

[0041] Further, the mold seat 4-6 can be controlled to flip 180° by the switching motor 5-8.

[0042] In this embodiment, through the 180° flip angle, the mold seat 4-6 can be downward, and after being downward, the fastener can be completely dropped downward.

[0043] Further, the hole part of the air cavity 6-4 is an inclined structure surface, and the hole part of the air cavity 6-4 faces the mold seat 4-6.

[0044] In this embodiment, through the inclined structure, the cold air can be directly blown upward through the hole to cool the mold seat 4-6.

[0045] When stamping is needed, the fastener is put into the die holder 4-6, the driving motor 4-3 is started to rotate the rotating shaft frame 4-2 through the transmission gear 4-4, the die holder 4-6 is rotated to below the stamping head 5-6, then the telescopic air cylinder 6-5 is started to control the lifting seat 5-3 to descend, then the stamping hydraulic cylinder 5-4 is started to stamp the fastener through the stamping head 5-6, after each stamping, the switching motor 5-8 is started to control the stamping head 5-6 to rotate, then the stamping is continued, another die holder 4-6 is added with the fastener during the stamping, after the stamping is completed, the die holder 4-6 is switched, the air cooler 6-3 is started to blow air to the die holder 4-6 through the air cavity 6-4 to cool, the control motor 4-5 is started to drive the die holder 4-6 to overturn downward, the fastener falls into the side groove 6-2, then the fastener is put in again, after the fastener is cooled, the telescopic air cylinder 6-5 is started to push the fastener out through the push plate 6-6.

[0046] The above is only the preferred embodiment of the present application, and is not used to limit the present application, any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A corrosion-resistant screw fastener cold header, characterized by, Comprising The device seat (1) and the stand (2) are arranged on the surface of the device seat (1); The stamping assembly (5) is arranged on the top of the stand (2); The recess (3) is arranged on the surface of the device seat (1), and the refueling assembly (4) is arranged in the device seat (1); The discharge cooling assembly (6) is arranged at the bottom of the recess (3); The refueling assembly (4) comprises an inner cavity (4-1) arranged in the device seat (1), a rotating shaft frame (4-2) rotatably connected between the inner cavity (4-1) and the recess (3), a driving motor (4-3) arranged at the inner bottom of the inner cavity (4-1), and a transmission gear (4-4) arranged on the output end of the driving motor (4-3) and the rotating shaft frame (4-2).

2. A corrosion-resistant screw fastener cold header according to claim 1, characterized in that, The transmission gears (4-4) are engaged, control motors (4-5) are mounted on both ends of the rotating shaft frame (4-2), mold bases (4-6) are rotatably connected to both ends of the rotating shaft frame (4-2), sliding grooves (4-7) are arranged at the bottom of the mold bases (4-6), and sliding channels (4-8) are arranged in the recess (3) and slidably connected with the sliding grooves (4-7).

3. A corrosion-resistant screw fastener cold header according to claim 2, characterized in that The stamping assembly (5) comprises a pair of lifting hydraulic cylinders (5-1) mounted on the top of the stand (2), a pair of cylinders (5-2) arranged in the stand (2), a lifting seat (5-3) slidably connected to the outside of the cylinders (5-2), and the lifting seat (5-3) connected with the output end of the lifting hydraulic cylinders (5-1).

4. A corrosion-resistant screw fastener cold header according to claim 3, characterized in that The lifting seat (5-3) is mounted with a stamping hydraulic cylinder (5-4), the output end of the stamping hydraulic cylinder (5-4) is connected with a fixed seat (5-5), the fixed seat (5-5) is rotatably connected with a stamping head (5-6) outside, and the stamping head (5-6) is provided with an external gear (5-7) at the top.

5. A corrosion-resistant screw fastener cold header according to claim 4, characterized in that The top of the lifting seat (5-3) is provided with a switching motor (5-8), the output end of the switching motor (5-8) is provided with a driving gear (5-9), and the driving gear (5-9) is engaged with the external gear (5-7).

6. A corrosion-resistant screw fastener cold header according to claim 1, characterized in that, The discharge cooling assembly (6) comprises a discharge chute (6-1) arranged at the inner bottom of the recess (3), a pair of side grooves (6-2) arranged on the side surface of the device seat (1), a cold air blower (6-3) arranged in the side grooves (6-2), and a pair of air cavities (6-4) arranged in the device seat (1).

7. A corrosion-resistant screw fastener cold header according to claim 6, characterized in that The output end of the cold air blower (6-3) is connected with the air cavities (6-4), the surface of the air cavities (6-4) is an open hole structure, the inner side of the inner cavity (4-1) is provided with a telescopic air cylinder (6-5), the output end of the telescopic air cylinder (6-5) is connected with a pushing plate (6-6), and the pushing plate (6-6) is located in the discharge chute (6-1).

8. A corrosion-resistant screw fastener cold header according to claim 5, characterized in that, The mold seat (4-6) can be controlled to overturn 180° by switching motor (5-8).

9. A corrosion-resistant screw fastener cold header according to claim 6, characterized in that, The opening part of the air cavity (6-4) is an inclined structure surface, and the opening part of the air cavity (6-4) faces the mold seat (4-6).

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