Automatic feeding nut cold header

Abstract

The utility model relates to the technical field of nut machining, and provides an automatic feeding nut cold header which comprises a bottom plate, a main frame, a middle frame, an outer frame and a plurality of through cavities, the main frame is fixed on the bottom plate, the middle frame is fixed on one side of the main frame, the outer frame is fixed on one side of the middle frame, and the through cavities are formed in the main frame, the middle frame and the outer frame. The door-shaped frame is fixed to the outer side of the main frame, the cold heading assembly is arranged on the door-shaped frame and the main frame, the feeding assembly is arranged on the main frame and the bottom plate, the tapping assembly is arranged on the middle frame, the cold heading hydraulic pressure is arranged on the two sides of the top of the door-shaped frame, and the output ends of the cold heading hydraulic pressure are provided with forming ends. By means of the technical scheme, the problems that in the related technology, feeding is extremely inconvenient, in the manual feeding process, due to the fact that nut machining parameters are changed, the quality of final finished products is different, resources are wasted, the device can only treat one raw material, efficiency is low, and the like are solved. And unqualified raw materials are not easy to replace.

Description

Technical Field

[0001] The utility model relates to the technical field of nut processing, in particular to an automatic feeding nut cold heading machine. Background Art

[0002] A nut cold heading machine is a mechanical device used to produce nuts of various specifications. It deforms the metal material through multiple operations of extrusion and stretching between dies, and finally forms nuts of the required size and shape. The nut cold heading machine is usually composed of a feeding device, an extrusion device, a die, a coolant circulation system, a product collection device and other parts. The equipment has simple process, high efficiency, high precision and high yield, so it is widely used in different product manufacturing industries such as machinery, automobiles, and motorcycles.

[0003] According to the search of China Utility Model Publication No.: CN218310651U, a nut cold heading machine is disclosed, which includes a base, a support platform is fixed on the upper end face of the base, a through hole is opened on the top of the support platform, a static die is clamped in the through hole, an electronic weighing scale is fixed on the upper end face of the base, a collection box is placed on the electronic weighing scale, a bracket is fixed on the top of the support platform, support plates are symmetrically slidably connected on the two inner walls of the bracket, the inner side of the support plate is connected to the splint by an electric telescopic rod, and the lower side of the top of the bracket is connected to the stamping block by an electric telescopic column.

[0004] However, when implementing the above technical solution, the following problems exist: this equipment is extremely inconvenient to load materials. During the manual loading process, the inconsistency of position parameters will cause changes in the processing parameters of the nut, resulting in inconsistent quality of the final product and waste of resources. Moreover, this device can only process one raw material at a time, which is inefficient and difficult to replace unqualified raw materials.

[0005] Therefore, improvements are made to address the above problems. Utility Model Content

[0006] The utility model proposes an automatic feeding nut cold heading machine, which solves the problem that feeding in the related art is extremely inconvenient. During the manual feeding process, the inconsistency of position parameters will cause changes in the processing parameters of the nut, resulting in inconsistent quality of the final product and waste of resources. In addition, this device can only process one raw material at a time, which is inefficient and difficult to replace unqualified raw materials.

[0007] The technical solution of the utility model is as follows:

[0008] A bottom plate, a main frame, an intermediate frame, an outer frame, and a plurality of through cavities, wherein the main frame is fixed to the bottom plate, the intermediate frame is fixed to one side of the main frame, the outer frame is fixed to one side of the intermediate frame, and the through cavities are opened in the main frame, the intermediate frame, and the outer frame;

[0009] A gantry and a cold heading assembly, wherein the gantry is fixed to the outside of the main frame, and the cold heading assembly is arranged on the gantry and the main frame;

[0010] A feeding assembly, the feeding assembly being arranged on the main frame and the bottom plate;

[0011] a tapping assembly, the tapping assembly being arranged on the intermediate frame;

[0012] The cold heading assembly includes a pair of cold heading hydraulics, which are arranged on both sides of the top of the portal frame, and the output end of the cold heading hydraulics is provided with a forming end.

[0013] As a further technical solution, circular holes are provided at the top and bottom of the through cavity, and grooves are provided on both end faces of the portal frame. A pair of round rods are provided in the grooves, and the outer sliding sleeves of the round rods are connected to the load-bearing plates. The outer sides of the round rods are provided with buffer springs, and a number of protrusions are provided on the surface of the load-bearing plates, and the protrusions are located in the circular holes.

[0014] As a further technical solution, the feeding assembly includes several feeding pipes, which are all installed on the surface of the main frame. A notch is opened on the outer surface of the feeding pipe. A base frame is provided on the bottom plate, and one end of the base frame is fixedly connected to the bottom of the main frame.

[0015] As a further technical solution, a drive motor is installed on the side surface of the base frame, a drive screw is rotatably connected inside the base frame, the drive screw is connected to the output end of the drive motor, and the outside of the drive screw is connected to the movable frame through threaded fitting.

[0016] As a further technical solution, the movable frame is slidably connected to the base frame, and a plurality of push rods are provided on the side surface of the movable frame. The push rods are movably sleeved in the through cavity, and positioning holes are opened on the surface of the push rods.

[0017] As a further technical solution, the tapping assembly includes a cross frame, which is fixed to the side end face of the portal frame. A second motor is provided on the top of the cross frame. A vertical screw is rotatably connected in the cross frame, and the vertical screw is connected to the output end of the second motor.

[0018] As a further technical solution, a pair of vertical frames are fixedly connected to the intermediate frame, a horizontal plate is slidably connected inside the vertical frame, the horizontal plate is connected to the vertical screw through threaded cooperation, a third motor is installed on one side of the horizontal plate, and a transmission shaft is rotatably connected in the horizontal plate.

[0019] As a further technical solution, the output end of the third motor is connected to the transmission shaft, and several vertical shafts are rotatably connected in the horizontal plate. Transmission gears are provided on the upper ends of the vertical shafts and the transmission shaft, and a tapper is installed at the bottom of the vertical shaft.

[0020] As a further technical solution, an inclined opening is provided on the side surface of the outer frame.

[0021] As a further technical solution, a cooling water pipe is installed at the bottom of the horizontal plate.

[0022] The working principle and beneficial effects of the utility model are as follows:

[0023] The utility model is provided with a feeding assembly, and the feeding assembly is designed. Through the interaction of structures such as a feeding pipe, a base frame, a driving screw, a movable frame, a push rod and a positioning hole, a positioning hole for cold heading forming is provided on the surface of the push rod. When the push rod moves, it can push the raw material to move. During the movement, cold heading and tapping can be completed simultaneously, and the processing can be completed directly at one time without the need to replace the processing equipment. Intermediate transportation and various operations can be saved, and production efficiency can be improved. It has good cold heading processing effect and practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] The present invention will be further described in detail below with reference to the accompanying drawings and specific implementation methods.

[0025] Figure 1 This is a schematic diagram of the structure of the utility model;

[0026] Figure 2 This is the axonometric drawing of the utility model;

[0027] Figure 3 This is an axonometric sectional view of the utility model;

[0028] Figure: 1, bottom plate; 2, main frame; 3, intermediate frame; 4, outer frame; 5, through cavity; 6, portal frame; 7, cold heading assembly; 7-1, cold heading hydraulics; 7-2, forming end; 7-3, round hole; 7-4, groove; 7-5, round rod; 7-6, bearing plate; 7-7, buffer spring; 7-8, bump; 8, feed assembly; 8-1, discharge pipe; 8-2, notch; 8-3, bottom frame; 8-4, drive Motor; 8-5, driving screw; 8-6, moving frame; 8-7, pushing rod; 8-8, positioning hole; 9, tapping assembly; 9-1, horizontal frame; 9-2, second motor; 9-3, vertical screw; 9-4, vertical frame; 9-5, horizontal plate; 9-6, third motor; 9-7, transmission shaft; 9-8, vertical shaft; 9-9, transmission gear; 9-10, tapper; 10, inclined mouth; 11, cooling water pipe. 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 to 3 As shown, this embodiment proposes an automatic feeding nut cold heading machine, including

[0031] Base plate 1, main frame 2, intermediate frame 3, outer frame 4 and several through cavities 5, main frame 2 is fixed on base plate 1, intermediate frame 3 is fixed on one side of main frame 2, outer frame 4 is fixed on one side of intermediate frame 3, through cavities 5 are opened in main frame 2, intermediate frame 3 and outer frame 4;

[0032] The portal frame 6 and the cold heading assembly 7 are fixed to the outside of the main frame 2, and the cold heading assembly 7 is arranged on the portal frame 6 and the main frame 2;

[0033] The feeding assembly 8 is arranged on the main frame 2 and the bottom plate 1;

[0034] Tapping assembly 9, the tapping assembly 9 is arranged on the intermediate frame 3;

[0035] The cold forging assembly 7 includes a pair of cold forging hydraulics 7-1, which are arranged on both sides of the top of the gantry 6. The output end of the cold forging hydraulics 7-1 is provided with a forming end 7-2. Circular holes 7-3 are provided on the top and bottom of the through cavity 5. Grooves 7-4 are provided on the opposite end faces of the gantry 6. A pair of round rods 7-5 are provided in the grooves 7-4. The external sliding sleeve of the round rod 7-5 is connected to a load-bearing plate 7-6. The external sleeve of the round rod 7-5 is provided with a buffer spring 7-7. A number of protrusions 7-8 are provided on the surface of the load-bearing plate 7-6, and the protrusions 7-8 are located in the circular holes 7-3.

[0036] In this embodiment, in order to achieve the effect of cold forging multiple nuts at the same time, a cold forging assembly 7 is designed, two cold forging hydraulics 7-1 are arranged on the top of the portal frame 6, and a forming end head 7-2 with multiple heads is arranged at the output end of the cold forging hydraulics 7-1, and a circular hole 7-3 with the same position and number as the forming end head 7-2 is opened on the surface of the main frame 2. The forming end head 7-2 can be controlled by the cold forging hydraulics 7-1 to pass through the circular hole 7-3 to punch the raw material into a nut, and grooves 7-4 are opened on both sides of the bottom of the portal frame 6, and two round rods 7-5 are arranged in the grooves 7-4. A load-bearing plate 7-6 is slidably mounted on the round rod 7-5, and a buffer spring 7-7 is mounted on the round rod 7-5. During stamping, the load-bearing plate 7-6 is cold-forged by the buffer spring 7-7, and a protrusion 7-8 is provided. The protrusion 7-8 can push the formed nut back to its original position.

[0037] Furthermore, the feeding assembly 8 includes several feeding pipes 8-1, and the feeding pipes 8-1 are all installed on the surface of the main frame 2. A notch 8-2 is provided on the outer surface of the feeding pipe 8-1. A base frame 8-3 is provided on the bottom plate 1. One end of the base frame 8-3 is fixedly connected to the bottom of the main frame 2. A driving motor 8-4 is installed on the side surface of the base frame 8-3. A driving screw 8-5 is rotatably connected inside the base frame 8-3. The driving screw 8-5 is connected to the output end of the driving motor 8-4. The outside of the driving screw 8-5 is connected to a movable frame 8-6 through a threaded fit. The movable frame 8-6 is slidably connected to the base frame 8-3. Several pushing rods 8-7 are provided on the side surface of the movable frame 8-6. The pushing rod 8-7 is movably sleeved in the through cavity 5, and a positioning hole 8-8 is provided on the surface of the pushing rod 8-7.

[0038] In this embodiment, in order to achieve the effect of continuous feeding and cold heading treatment, a feeding assembly 8 is designed. A plurality of discharge pipes 8-1 are provided on the top of the main frame 2 for placing raw materials, and a notch 8-2 is opened on one side for convenient observation of the remaining quantity inside. A base frame 8-3 is fixed on the bottom plate 1, and one end of the base frame 8-3 is fixed to the bottom of the main frame 2. A driving screw 8-5 is rotatably connected inside the base frame 8-3, and a driving motor 8-4 is provided on the outside for controlling the rotation of the driving screw 8-5. A movable frame 8-6 connected to the driving screw 8-5 is slidably connected in the base frame 8-3, and the same number of push rods 8-7 as the through cavity 5 are provided on the top of the movable frame 8-6. The push rod 8-7 is movably mounted in the through cavity 5, and a positioning hole 8-8 for placing raw materials is opened on the surface of the push rod 8-7. The raw materials can be pushed forward by the push rod 8-7 for cold heading and tapping respectively.

[0039] Furthermore, the tapping assembly 9 includes a horizontal frame 9-1, which is fixed to the side end face of the portal frame 6, and a second motor 9-2 is arranged on the top of the horizontal frame 9-1, and a vertical screw 9-3 is rotatably connected in the horizontal frame 9-1, and the vertical screw 9-3 is connected to the output end of the second motor 9-2, and a pair of vertical frames 9-4 are fixedly connected to the intermediate frame 3, and a horizontal plate 9-5 is slidably connected in the vertical frame 9-4, and the horizontal plate 9-5 is connected to the vertical screw 9-3 by threaded cooperation, and a third motor 9-6 is installed on one side of the horizontal plate 9-5, and a transmission shaft 9-7 is rotatably connected in the horizontal plate 9-5, and the output end of the third motor 9-6 is connected to the transmission shaft 9-7, and a number of vertical shafts 9-8 are rotatably connected in the horizontal plate 9-5, and a transmission gear 9-9 is provided on the upper end of the vertical shaft 9-8 and the transmission shaft 9-7, and a tapper 9-10 is installed at the bottom of the vertical shaft 9-8.

[0040] In this embodiment, in order to achieve the effect of tapping the nuts formed after cold heading, a tapping assembly 9 is designed. A horizontal frame 9-1 is provided on one side of the gantry frame 6. A second motor 9-2 is installed on the top of the horizontal frame 9-1. A vertical screw 9-3 is rotatably connected to the horizontal frame 9-1 and is controlled to rotate by the second motor 9-2. Two vertical frames 9-4 are provided on the surface of the intermediate frame 3. A horizontal plate 9-5 is vertically slidably connected to the vertical frame 9-4. The other end of the horizontal plate 9-5 is connected to the vertical screw 9-3 by a threaded connection, and the vertical screw 9-3 can be used to control the lifting of the horizontal plate 9-5. A third motor 9-6 is provided on one side of the horizontal plate 9-5, and a transmission shaft 9-7 is rotatably connected in the middle. The transmission shaft 9-7 is connected to the output end of the third motor 9-6, and the rotation of the transmission shaft 9-7 can be controlled. A plurality of vertical shafts 9-8 are rotatably connected in the horizontal plate 9-5, and a transmission gear 9-9 is provided on the top of each vertical shaft 9-8 and the transmission shaft 9-7, which are engaged with each other. A tapper 9-10 is installed at the bottom of the vertical shaft 9-8, and the plurality of tappers 9-10 are controlled by the third motor 9-6 and the transmission gear 9-9 to perform tapping synchronously.

[0041] Furthermore, an inclined opening 10 is provided on the side surface of the outer frame 4 .

[0042] In this embodiment, an inclined opening 10 is provided on the outside of the outer frame 4 , so that the finished nut can be dropped out of the inclined opening 10 .

[0043] Furthermore, a cooling water pipe 11 is installed at the bottom of the transverse plate 9-5.

[0044] In this embodiment, by installing a cooling water pipe 11 at the bottom of the horizontal plate 9-5, the equipment can be connected to supply water to cool the tapping device 9-10 and the nut during tapping.

[0045] When nuts need to be processed, the raw materials are placed in the discharge pipe 8-1, and the raw materials at the bottom fall into the positioning hole 8-8. The drive motor 8-4 is started to control the push rod 8-7 to push forward, and it stops after moving to the circular hole 7-3. The cold heading hydraulics 7-1 are started, and the forming end 7-2 is used for stamping and forming. Then the push rod 8-7 is continued to be moved. The push rod 8-7 moves the formed nut to the bottom of the tapper 9-10, and the second motor 9-2 and the third motor 9-6 are started to control the horizontal plate 9-5 to move downward so that the tapper 9-10 taps the nut, and the cooling water pipe 11 is opened for cooling. After completion, the nut is continued to be pushed and falls downward at the inclined mouth 10 on one side of the outer frame 4. After resetting, the next raw material is dropped again to continue the cold heading process.

[0046] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. An automatic loading nut cold heading machine, characterized in that: include A bottom plate (1), a main frame (2), an intermediate frame (3), an outer frame (4) and a plurality of through cavities (5), wherein the main frame (2) is fixed on the bottom plate (1), the intermediate frame (3) is fixed on one side of the main frame (2), the outer frame (4) is fixed on one side of the intermediate frame (3), and the through cavities (5) are provided in the main frame (2), the intermediate frame (3) and the outer frame (4); A portal frame (6) and a cold heading assembly (7), wherein the portal frame (6) is fixed to the outside of the main frame (2), and the cold heading assembly (7) is arranged on the portal frame (6) and the main frame (2); A feeding assembly (8), the feeding assembly (8) being arranged on the main frame (2) and the bottom plate (1); a tapping assembly (9), wherein the tapping assembly (9) is arranged on the intermediate frame (3); The cold heading assembly (7) comprises a pair of cold heading hydraulics (7-1), the cold heading hydraulics (7-1) being arranged on both sides of the top of the gantry (6), and a forming end (7-2) being arranged at the output end of the cold heading hydraulics (7-1).

2. The automatic loading nut cold heading machine according to claim 1, characterized in that: Circular holes (7-3) are provided on the top and bottom of the through cavity (5); grooves (7-4) are provided on opposite end surfaces of the gantry (6); a pair of round rods (7-5) are provided in the grooves (7-4); the outer portions of the round rods (7-5) are slidably sleeved and connected to a load-bearing plate (7-6); a buffer spring (7-7) is sleeved on the outer portions of the round rods (7-5); a plurality of protrusions (7-8) are provided on the surface of the load-bearing plate (7-6); and the protrusions (7-8) are located in the circular holes (7-3).

3. The automatic loading nut cold heading machine according to claim 1, characterized in that: The feed assembly (8) comprises a plurality of feed pipes (8-1), each of which is mounted on the surface of the main frame (2). A notch (8-2) is provided on the outer surface of the feed pipe (8-1). A base frame (8-3) is provided on the bottom plate (1), and one end of the base frame (8-3) is fixedly connected to the bottom of the main frame (2).

4. The automatic loading nut cold heading machine according to claim 3, characterized in that: A driving motor (8-4) is installed on the side surface of the base frame (8-3), a driving screw (8-5) is rotatably connected inside the base frame (8-3), the driving screw (8-5) is connected to the output end of the driving motor (8-4), and the outside of the driving screw (8-5) is connected to the moving frame (8-6) through threaded engagement.

5. The automatic loading nut cold heading machine according to claim 4, characterized in that: The movable frame (8-6) is slidably connected to the base frame (8-3); a plurality of push rods (8-7) are provided on the side surface of the movable frame (8-6); the push rods (8-7) are movably sleeved in the through cavity (5); and positioning holes (8-8) are provided on the surface of the push rods (8-7).

6. The automatic loading nut cold heading machine according to claim 1, characterized in that: The tapping assembly (9) comprises a horizontal frame (9-1), the horizontal frame (9-1) being fixed to the side end face of the portal frame (6), a second motor (9-2) being arranged on the top of the horizontal frame (9-1), a vertical lead screw (9-3) being rotatably connected in the horizontal frame (9-1), and the vertical lead screw (9-3) being connected to the output end of the second motor (9-2).

7. The automatic loading nut cold heading machine according to claim 6, characterized in that: A pair of vertical frames (9-4) are fixedly connected to the intermediate frame (3), a horizontal plate (9-5) is slidably connected inside the vertical frame (9-4), the horizontal plate (9-5) is connected to the vertical lead screw (9-3) through threaded engagement, a third motor (9-6) is installed on one side of the horizontal plate (9-5), and a transmission shaft (9-7) is rotatably connected in the horizontal plate (9-5).

8. The automatic loading nut cold heading machine according to claim 7, characterized in that: The output end of the third motor (9-6) is connected to the transmission shaft (9-7); a plurality of vertical shafts (9-8) are rotatably connected in the horizontal plate (9-5); transmission gears (9-9) are provided on the upper ends of the vertical shafts (9-8) and the transmission shaft (9-7); and a tapper (9-10) is installed at the bottom of the vertical shaft (9-8).

9. The automatic loading nut cold heading machine according to claim 1, characterized in that: An inclined opening (10) is provided on the side surface of the outer frame (4).

10. The automatic loading nut cold heading machine according to claim 7, characterized in that: A cooling water pipe (11) is installed at the bottom of the transverse plate (9-5).

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