Feeding auxiliary device of cold header
By designing rotatable material picking and storage barrels on the cold heading machine, combined with the torsion spring mechanism, the feeding process without direct material feeding is realized, solving the problems of slow and dangerous feeding speed of existing cold heading machines, and improving material feeding safety and stability.
Patent Information
- Application Number
- CN202420902949.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-28
- Publication Date
- 2024-12-10
- Estimated Expiration
- 2034-04-28
AI Technical Summary
The existing cold heading machines for nut production are slow in feeding, low in production efficiency, and have certain risks. An auxiliary device is needed to improve the safety and stability of feeding.
A cold header feeding auxiliary device including an operating table, a feeding barrel and a storage barrel is designed. By providing a rotatable feeding barrel and a storage barrel on the operating table, a second baffle and a second rotating sleeve are used. The material is stable and the first baffle is reset through the torsion spring mechanism to ensure the material falls into the inside of the stamping groove, thereby realizing the feeding process without direct feeding.
It greatly improves the safety and stability of feeding, so that the materials can be safely placed into the storage barrel, reducing the risk of manual operation and improving the efficiency of feeding.
Smart Images

Figure CN222133341U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of cold heading machines, and in particular relates to a feeding auxiliary device for a cold heading machine. Background Art
[0002] Cold heading is one of the new processes of metal pressure processing with little cutting. It utilizes the plastic deformation of metal under the action of external force and uses the mold to redistribute and transfer the metal volume to form the required parts or blanks. Cold heading is most suitable for producing standard fasteners such as bolts, screws, nuts, rivets, pins, etc. The equipment commonly used for cold heading is a special cold heading machine.
[0003] At present, the existing cold heading machines used for nut production mostly adopt manual operation to feed materials during use, which is not only slow and inefficient, but also dangerous. Therefore, we propose a feeding auxiliary device for cold heading machines. Utility Model Content
[0004] The purpose of the utility model is to provide a feeding auxiliary device for a cold heading machine to solve the existing problems raised in the above background technology.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a feeding auxiliary device for a cold heading machine, comprising an operating table, a material taking barrel and a material storage barrel, a concave die is movably installed at the top center position of the operating table through a shaft sleeve, four stamping grooves are opened on the surface of the concave die, a fixed block is arranged on the top surface of the concave die close to the stamping groove, a rotating rod is movably connected to one side of the top of the operating table, the bottom of the rotating rod extends to the inside of the operating table and a second right-angle motor is installed, a material taking barrel is fixedly welded to the outside of the rotating rod through connecting rods, the material taking barrel can be rotatable to the top of the stamping groove through the rotating rod, a first baffle is movably installed at the bottom of the material taking barrel, the top of the first baffle is at the same height as the top of the fixed block, a material storage barrel is fixedly installed on one side of the rotating rod through a mounting frame, a second baffle is movably installed at the bottom of the storage barrel, and the top of the second baffle is at the same height as the top of the material taking barrel.
[0006] Preferably, a first rotating sleeve is fixedly welded to one side of the bottom of the material taking barrel, a rotating shaft is provided inside the first rotating sleeve, the rotating shaft is movably connected to the first rotating sleeve through a bearing, a torsion spring is provided on the outer sleeve of the rotating shaft, two ends of the torsion spring are respectively fixedly connected to the inner wall of the first rotating sleeve and the outer periphery of the rotating shaft, and the bottom of the rotating shaft is fixedly connected to one side of the outer periphery of the first baffle.
[0007] Preferably, a second rotating sleeve is fixedly welded to one side of the bottom of the storage barrel, and a rotating shaft connected through a bearing is also provided inside the second rotating sleeve. No torsion spring is installed inside the second rotating sleeve, and the bottom end of the rotating shaft inside the second rotating sleeve is fixedly connected to the second baffle.
[0008] Preferably, a pressure plate is provided directly below the bottom of the die, and the pressure plate is fixedly installed on the inner top of the operating table. A feed hole is provided on one side of the pressure plate, and the feed hole corresponds to the position of the stamping groove. A through hole is provided in the middle of the pressure plate, and a first right-angle motor is provided inside the through hole. The first right-angle motor is fixedly installed inside the operating table, and the end of the output shaft of the first right-angle motor is fixedly connected to the bottom center position of the die.
[0009] Preferably, a hydraulic device is fixedly mounted on the top of the operating table via a mounting frame, a pressing plate is mounted at the end of a hydraulic rod at the bottom of the hydraulic device, and a single stamping punch corresponding to the stamping groove is provided at the bottom of the pressing plate.
[0010] Preferably, a collecting box is provided on one side of the operating table, the collecting box is placed in a groove at the bottom end of one side of the operating table, and the discharge hole is provided directly above the collecting box.
[0011] Preferably, a control panel is provided on an outer side of the operating table, and the control panel is fixedly mounted on the outer side of the operating table by means of inlaying.
[0012] Compared with the prior art, the beneficial effects of the utility model are:
[0013] 1. By arranging a rotatable material taking barrel on one side of the die, in conjunction with the second baffle and the second rotating sleeve, the function of taking materials from the storage barrel is realized, and after rotation, the first baffle is pushed open by the fixed block, so that the material can stably fall into the inside of the stamping groove, so as to facilitate stamping processing. This design makes it unnecessary to feed the material directly into the stamping groove when feeding, and the material can be placed in the storage barrel, which greatly improves the safety of feeding.
[0014] 2. By arranging a torsion spring inside the first rotating sleeve and sleeved it on the outer circumference of the rotating shaft, the first baffle can be rotated and reset to the bottom of the material taking barrel under the action of the torsion spring after the first baffle is separated from the contact with the fixed block, so as to ensure that the first baffle can stably receive the material when the material taking barrel takes the material, thereby ensuring the stability of the feeding. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0016] Figure 2 This is a schematic diagram of the material taking barrel structure of the utility model;
[0017] Figure 3 This is a schematic diagram of the storage barrel structure of the utility model;
[0018] Figure 4 This is a schematic diagram of the structure of the first rotating sleeve of the utility model;
[0019] Figure 5 It is a schematic diagram of the bottom structure of the pressure plate of the utility model.
[0020] In the figure: 1. operating table; 2. hydraulic device; 3. pressure plate; 4. die; 5. punching groove; 6. bushing; 7. pressure plate; 8. feeding hole; 9. first right-angle motor; 10. collecting box; 11. rotating rod; 12. second right-angle motor; 13. material barrel; 14. first baffle; 15. first rotating sleeve; 16. rotating shaft; 17. torsion spring; 18. material storage barrel; 19. second rotating sleeve; 20. second baffle; 21. control panel; 22. fixing block. DETAILED DESCRIPTION
[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0022] See also Figure 1-5 The utility model provides a technical solution for a feeding auxiliary device of a cold heading machine: it includes an operating table 1, a material taking barrel 13 and a material storage barrel 18, a die 4 is movably mounted at the top center of the operating table 1 through a shaft sleeve 6, four punching grooves 5 are opened on the surface of the die 4, a fixing block 22 is arranged on the top surface of the die 4 near the punching groove 5, a rotating rod 11 is movably connected to one side of the top of the operating table 1, the bottom of the rotating rod 11 extends to the inside of the operating table 1 and is installed with a second right-angle motor 12, the rotating rod 11 is connected to the inner side of the operating table 1, and the rotating rod 11 is connected to the inner side of the operating table 1. A material taking barrel 13 is fixedly welded around the outside of the rod 11 through connecting rods. The material taking barrel 13 can be rotated to the top of the punching groove 5 through the rotating rod 11. A first baffle 14 is movably installed at the bottom of the material taking barrel 13, and the top of the first baffle 14 is at the same height as the top of the fixed block 22. A storage barrel 18 is fixedly installed on one side of the rotating rod 11 through a mounting frame, and a second baffle 20 is movably installed at the bottom of the storage barrel 18, and the top of the second baffle 20 is at the same height as the top of the material taking barrel 13.
[0023] Specifically, a first rotating sleeve 15 is fixedly welded to one side of the bottom of the material taking barrel 13, a rotating shaft 16 is provided inside the first rotating sleeve 15, the rotating shaft 16 is movably connected to the first rotating sleeve 15 through a bearing, a torsion spring 17 is provided on the outer periphery of the rotating shaft 16, two ends of the torsion spring 17 are respectively fixedly connected to the inner wall of the first rotating sleeve 15 and the outer periphery of the rotating shaft 16, and the bottom of the rotating shaft 16 is fixedly connected to one side of the outer periphery of the first baffle 14.
[0024] Specifically, a second rotating sleeve 19 is fixedly welded to one side of the bottom of the storage barrel 18, and a rotating shaft 16 connected through a bearing is also provided inside the second rotating sleeve 19. The torsion spring 17 is not installed inside the second rotating sleeve 19, and the bottom end of the rotating shaft 16 inside the second rotating sleeve 19 is fixedly connected to the second baffle 20.
[0025] Specifically, a pressure plate 7 is provided directly below the bottom of the die 4, and the pressure plate 7 is fixedly installed on the inner top of the operating table 1. A feed hole 8 is opened on one side of the pressure plate 7, and the feed hole 8 corresponds to the position of the stamping groove 5. A through hole is opened in the middle of the pressure plate 7, and a first right-angle motor 9 is provided inside the through hole. The first right-angle motor 9 is fixedly installed inside the operating table 1, and the end of the output shaft of the first right-angle motor 9 is fixedly connected to the bottom center position of the die 4.
[0026] Specifically, a hydraulic device 2 is fixedly mounted on the top of the operating table 1 through a mounting frame, a pressing plate 3 is mounted at the end of a hydraulic rod at the bottom of the hydraulic device 2 , and a single stamping punch corresponding to the stamping groove 5 is provided at the bottom of the pressing plate 3 .
[0027] Specifically, a collecting box 10 is provided on one side of the operating table 1 . The collecting box 10 is placed in a groove at the bottom end of one side of the operating table 1 , and the material discharge hole 8 is provided right above the collecting box 10 .
[0028] Specifically, a control panel 21 is provided on an outer side of the operating table 1 , and the control panel 21 is fixedly installed on the outer side of the operating table 1 by means of inlaying.
[0029] The second baffle plate 20 is driven by the second right-angle motor 12 to rotate, so that it cooperates with the connecting rod to drive the material collection barrel 13 to rotate, so that it gradually rotates to the bottom of the material collection barrel 18, and squeezes the second baffle plate 20 to cooperate with the rotating shaft 16 to rotate around the second rotating sleeve 19, thereby making way for the bottom position of the material collection barrel 18 until the material collection barrel 13 is completely rotated to the bottom of the material collection barrel 18, so that the material in the material collection barrel 18 falls into the material collection barrel 13 by natural falling, and then, under the action of the continued rotation of the rotating rod 11, the material collection barrel 13 continues to push the second baffle plate 20 to rotate. When the material collection barrel 13 is completely separated from the bottom of the material collection barrel 18, the second baffle plate 20 adjacent to the other side rotates to the bottom of the material collection barrel 18 for blocking. When the material collection barrel 13 gradually rotates to the stamping groove 5 on the concave die 4 When the material is above the punching groove 5, the fixed block 22 on the top side of the punching groove 5 is used to push the first baffle 14, so that it rotates under the action of the first rotating sleeve 15 and the rotating shaft 16, so that the single material inside the material barrel 13 falls into the inside of the punching groove 5. When the material barrel 13 gradually leaves the top of the punching groove 5, the first baffle 14 will gradually break away from the contact with the fixed block 22, so that it rotates and resets under the action of the torsion spring 17 to continue to seal the bottom of the material barrel 13. The die 4 rotates under the action of the first right-angle motor 9, and the punching groove 5 with unpunched material is rotated to just below the punch at the bottom of the pressing plate 3, and is pushed downward under the action of the hydraulic device 2 to punch the material in the punching groove 5. The processed material continues to rotate under the action of the first right-angle motor 9, and the punching groove 5 with the punched material is moved to the discharge hole 8, so that it falls into the inside of the collection box 10 through the discharge hole 8 for collection.
[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A feeding auxiliary device for a cold heading machine, comprising an operating table (1), a material taking cylinder (13) and a material storage cylinder (18), characterized in that: A die (4) is movably mounted at the center of the top of the operating table (1) via a shaft sleeve (6); four punching grooves (5) are provided on the surface of the die (4); a fixing block (22) is provided on the top surface of the die (4) near the punching grooves (5); a rotating rod (11) is movably connected to one side of the top of the operating table (1); the bottom of the rotating rod (11) extends to the inside of the operating table (1) and is mounted with a second right-angle motor (12); a material taking barrel (12) is fixedly welded to the outside of the rotating rod (11) via connecting rods. 13), the material taking barrel (13) can be rotated to the top of the punching groove (5) through the rotating rod (11), the bottom of the material taking barrel (13) is movably mounted with a first baffle (14), the top of the first baffle (14) and the top of the fixed block (22) are at the same height, one side of the rotating rod (11) is fixedly mounted with a storage barrel (18) through a mounting frame, the bottom of the storage barrel (18) is movably mounted with a second baffle (20), the top of the second baffle (20) and the top of the material taking barrel (13) are at the same height.
2. A cold heading machine feeding auxiliary device according to claim 1, characterized in that: A first rotating sleeve (15) is fixedly welded to one side of the bottom of the material taking barrel (13); a rotating shaft (16) is provided inside the first rotating sleeve (15); the rotating shaft (16) is movably connected to the first rotating sleeve (15) via a bearing; a torsion spring (17) is provided on the outer periphery of the rotating shaft (16); two ends of the torsion spring (17) are respectively fixedly connected to the inner wall of the first rotating sleeve (15) and the outer periphery of the rotating shaft (16); and the bottom of the rotating shaft (16) is fixedly connected to one side of the outer periphery of the first baffle (14).
3. The cold heading machine feeding auxiliary device according to claim 1, characterized in that: A second rotating sleeve (19) is fixedly welded to one side of the bottom of the storage barrel (18); a rotating shaft (16) connected via a bearing is also provided inside the second rotating sleeve (19); no torsion spring (17) is installed inside the second rotating sleeve (19); and the bottom end of the rotating shaft (16) inside the second rotating sleeve (19) is fixedly connected to a second baffle (20).
4. The cold heading machine feeding auxiliary device according to claim 1, characterized in that: A pressure plate (7) is provided directly below the bottom of the die (4), and the pressure plate (7) is fixedly mounted on the inner top of the operating table (1). A feed hole (8) is provided on one side of the pressure plate (7), and the feed hole (8) corresponds to the position of the punching groove (5). A through hole is provided in the middle of the pressure plate (7), and a first right-angle motor (9) is provided inside the through hole. The first right-angle motor (9) is fixedly mounted inside the operating table (1), and the output shaft end of the first right-angle motor (9) is fixedly connected to the bottom center position of the die (4).
5. The cold heading machine feeding auxiliary device according to claim 1, characterized in that: A hydraulic device (2) is fixedly mounted on the top of the operating table (1) via a mounting frame, a pressing plate (3) is mounted at the end of a hydraulic rod at the bottom of the hydraulic device (2), and a single punching punch corresponding to the punching groove (5) is provided at the bottom of the pressing plate (3).
6. A cold heading machine feeding auxiliary device according to claim 4, characterized in that: A collection box (10) is provided on one side of the operating table (1), and the collection box (10) is placed in a groove at the bottom end of one side of the operating table (1), and the discharge hole (8) is provided directly above the collection box (10).
7. The cold heading machine feeding auxiliary device according to claim 1, characterized in that: A control panel (21) is provided on one side of the exterior of the operating table (1), and the control panel (21) is fixedly mounted on one side of the exterior of the operating table (1) by means of inlay.
