Nut processing tapping mold convenient for rapid demolding

Abstract

The utility model belongs to the technical field of nut tapping processing, and particularly relates to a nut processing tapping mold convenient for quick demolding, which comprises a mold for fixing a nut, the top of the mold is provided with a mold cavity, driving cavities are arranged in the mold on two sides of the mold cavity, and the driving cavities are communicated with the mold cavity. A clamping mechanism used for fixing the nut is arranged among the driving cavity, the mold and the mold cavity, a cavity is formed in the mold below the mold cavity, and a rapid demolding mechanism used for ejecting out the nut and demolding the nut is arranged among the cavity, the mold and the mold cavity. The device is reasonable in structural design, the purpose of clamping and fixing nuts with different diameters can be achieved, the universality of the device is improved, meanwhile, after tapping machining is completed, the machined nuts can be ejected out of a mold cavity through upward movement of the four ejector rods, the nuts can be efficiently and conveniently demolded, and the nut machining efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of nut tapping processing, in particular to a tapping die for nut processing which is convenient for rapid demoulding. Background Art

[0002] When the nut is tapped, it is necessary to fix the nut in the tapping machine fixture. After searching: A fixed mold for nut tapping processing with publication number CN106041583A includes a support platform, a cylindrical platform and a fixed mold cavity, a cylindrical platform is installed in the middle of the top of the support platform, and a fixed mold cavity is provided in the inner cavity in the middle of the top of the cylindrical platform, and receiving blocks are also provided on both sides of the cylindrical platform, and a pneumatic telescopic column is installed on the top of the receiving block.

[0003] However, the fixed mold for nut tapping processing mentioned above still has some shortcomings. After the nut tapping processing is completed, it is inconvenient to quickly and efficiently eject the processed nut out of the fixed mold, which makes demolding more troublesome and inconvenient, reducing the efficiency of nut processing. Therefore, we propose a tapping mold for nut processing that is easy to quickly demold to solve the above problems. Utility Model Content

[0004] The utility model aims to solve the above-mentioned shortcomings and proposes a tapping die for nut processing which is convenient for rapid demoulding.

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

[0006] A tapping die for nut processing that is easy to demold quickly, comprising a die for fixing the nut, a die cavity is provided on the top of the die, drive cavities are provided in the die on both sides of the die cavity, a clamping mechanism for fixing the nut is provided between the drive cavity and the die and the die cavity, a cavity is provided in the die below the die cavity, a quick demolding mechanism for ejecting the nut and demolding is provided between the cavity and the die and the die cavity, and a debris collection mechanism is provided on the die.

[0007] Preferably, the clamping mechanism includes two racks, a driving motor fixedly connected to one side of the mold and a transmission shaft rotatably connected to the front and rear inner walls of the driving cavity, a driving worm fixedly connected to the output shaft of the driving motor, and a worm wheel and a gear are fixedly sleeved on the outer side of the transmission shaft in sequence from front to back, the driving worm is meshed with the two worm wheels, and the two gears are respectively meshed with the corresponding racks, and the ends of the two racks close to each other are fixedly connected with a clamp, and the shape of the clamp matches the shape of the nut.

[0008] Preferably, rectangular openings are provided on both sides of the mold, and two racks are slidably mounted in the corresponding rectangular openings.

[0009] Preferably, the gear on one side is located below the rack on the same side, and the gear on the other side is located above the rack on the same side.

[0010] Preferably, the quick demoulding mechanism includes a servo motor fixedly connected to the bottom of the mold and a lifting screw rotatably connected to the top inner wall of the cavity and the bottom inner wall, the output shaft of the servo motor is fixedly connected to the bottom end of the lifting screw, the outer threaded sleeve of the lifting screw is provided with a movable plate, and four push rods are fixedly connected to the top of the movable plate.

[0011] Preferably, four through holes are provided between the mold cavity and the hollow cavity, and four ejector rods are slidably sleeved in corresponding through holes respectively.

[0012] Preferably, a same limiting rod is fixedly connected to the top inner wall and the bottom inner wall of the cavity, and the movable plate is slidably sleeved on the outer side of the limiting rod.

[0013] Preferably, an avoidance hole is opened on the top of the movable plate, and the debris collection mechanism includes a chip discharge pipe fixedly connected to the inner wall of the bottom of the mold cavity, and a collection box is movably placed below the mold, and the bottom end of the chip discharge pipe extends to the bottom of the mold and is located directly above the collection box, and the chip discharge pipe is slidably sleeved on the outside of the avoidance hole.

[0014] The utility model discloses a tapping die for nut processing which is convenient for rapid demoulding. The nut to be tapped is placed in the die cavity and aligned with the chip discharge tube. The driving motor drives the rotation of the driving worm. The driving worm drives the synchronous rotation of the two worm wheels and the transmission shaft. The two transmission shafts drive the synchronous rotation of the two gears. Since one rack is meshed above the corresponding gear and the other rack is meshed below the corresponding gear, the two gears drive the two racks to move closer to each other. The two racks drive the two clamps to move closer to each other and abut against the outside of the nut, thereby achieving the purpose of clamping and fixing nuts of different diameters. Then, the center of the nut is tapped. During the tapping process, the chips formed by the processing can automatically fall into the chip discharge tube and finally fall into the collection box for collection and treatment.

[0015] In the utility model, a tapping die for nut processing that is convenient for rapid demoulding is described. When the tapping process is completed, the driving motor is started in the reverse direction, so that the two clamps move away from each other without clamping the nut. The output shaft of the servo motor drives the rotation of the lifting screw. Under the guidance of the chip discharge tube and the limit rod, the lifting screw drives the upward movement of the movable plate, and the movable plate drives the tops of the four ejector rods, so that the processed nut can be ejected out of the mold cavity, so that personnel can quickly remove the nut, and then the nut can be demoulded efficiently and conveniently, thereby improving the efficiency of nut processing.

[0016] The utility model has a reasonable structural design, which can not only achieve the purpose of clamping and fixing nuts of different diameters, but also improve the versatility of the device. At the same time, after the tapping process is completed, the processed nuts can be pushed out of the mold cavity by moving the four ejector rods upward, and the nuts can be demoulded efficiently and conveniently, thereby improving the efficiency of nut processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a front cross-sectional view of a tapping die for nut processing that is convenient for rapid demoulding, proposed by the utility model;

[0018] Figure 2 A top perspective view of a tapping die for nut processing that is convenient for rapid demoulding proposed by the utility model;

[0019] Figure 3 A top sectional view of a tapping die for nut processing that is convenient for rapid demoulding proposed by the utility model;

[0020] Figure 4 The utility model discloses a stereoscopic diagram of a quick demoulding mechanism of a tapping die for nut processing which is convenient for quick demoulding.

[0021] In the figure: 1. mold; 2. mold cavity; 3. cavity; 4. drive cavity; 5. transmission shaft; 6. gear; 7. rack; 8. fixture; 9. chip discharge pipe; 10. collection box; 11. servo motor; 12. movable plate; 13. lifting screw; 14. push rod; 15. drive motor; 16. drive worm; 17. worm wheel; 18. limit rod; 19. avoidance hole. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0023] Reference Figure 1-4 A tapping die for nut processing that is easy to demold quickly includes a die 1 for fixing the nut, a die cavity 2 is opened on the top of the die 1, driving cavities 4 are opened in the die 1 on both sides of the die cavity 2, a clamping mechanism for fixing the nut is arranged between the driving cavity 4, the die 1 and the die cavity 2, a cavity 3 is opened in the die 1 below the die cavity 2, a quick demolding mechanism for ejecting the nut from the die is arranged between the cavity 3, the die 1 and the die cavity 2, and a debris collection mechanism is arranged on the die 1.

[0024] In the utility model, the clamping mechanism includes two racks 7, a driving motor 15 fixedly connected to one side of the mold 1 and a transmission shaft 5 rotatably connected to the inner walls of the front and rear sides of the driving cavity 4, a driving worm 16 is fixedly connected to the output shaft of the driving motor 15, and a worm wheel 17 and a gear 6 are fixedly sleeved on the outer side of the transmission shaft 5 from front to back in sequence, the driving worm 16 is meshed with the two worm wheels 17, and the two gears 6 are respectively meshed with the corresponding racks 7, and the ends of the two racks 7 close to each other are fixedly connected with a clamp 8, the shape of the clamp 8 matches the shape of the nut, the gear 6 on one side is located below the rack 7 on the same side, and the gear 6 on the other side is located above the rack 7 on the same side. At the top, the nut to be tapped is placed in the mold cavity 2 and aligned with the chip discharge tube 9, and the drive motor 15 is started. The drive motor 15 drives the rotation of the drive worm 16, and the drive worm 16 drives the synchronous rotation of the two worm wheels 17 and the transmission shaft 5. The two transmission shafts 5 drive the synchronous rotation of the two gears 6. Because one rack 7 is located above the corresponding gear 6 and meshes, and the other rack 7 is located below the corresponding gear 6 and meshes, the two gears 6 drive the two racks 7 to move closer to each other, and the two racks 7 drive the two clamps 8 to approach each other and abut against the outside of the nut, thereby achieving the purpose of clamping and fixing nuts of different diameters.

[0025] In the utility model, rectangular openings are provided on both sides of the mold 1, and two racks 7 are slidably sleeved in the corresponding rectangular openings, which is conducive to guiding and limiting the racks 7 and the clamps 8, making their movement more stable.

[0026] In the utility model, the quick demoulding mechanism includes a servo motor 11 fixedly connected to the bottom of the mold 1 and a lifting screw 13 rotatably connected to the top inner wall of the cavity 3 and the bottom inner wall. The output shaft of the servo motor 11 is fixedly connected to the bottom end of the lifting screw 13. The outer thread sleeve of the lifting screw 13 is provided with a movable plate 12. The top of the movable plate 12 is fixedly connected with four push rods 14. When the tapping process is completed, the drive motor 15 is started in the reverse direction, so that the two clamps 8 move away from each other without clamping the nut, and then the servo motor 11 is started again. The output shaft of the servo motor 11 drives the rotation of the lifting screw 13, and the lifting screw 13 drives the upward movement of the movable plate 12. The movable plate 12 drives the tops of the four push rods 14, so that the processed nut can be pushed out of the mold cavity 2, so that personnel can quickly remove the nut, and then the nut can be demoulded efficiently and conveniently, thereby improving the efficiency of nut processing.

[0027] In the utility model, four through holes are opened between the mold cavity 2 and the cavity 3, and the four push rods 14 are slidably sleeved in the corresponding through holes respectively. The top inner wall and the bottom inner wall of the cavity 3 are fixedly connected with the same limiting rod 18, and the movable plate 12 is slidably sleeved on the outer side of the limiting rod 18, which can guide and limit the movable plate 12 and the push rod 14, so that their movement is more stable and smooth.

[0028] In the utility model, an avoidance hole 19 is opened on the top of the movable plate 12, and the debris collection mechanism includes a chip discharge pipe 9 fixedly connected to the inner wall of the bottom of the mold cavity 2, and a collection box 10 is movably placed below the mold 1. The bottom end of the chip discharge pipe 9 extends to the bottom of the mold 1 and is located directly above the collection box 10. The chip discharge pipe 9 is slidably sleeved on the outside of the avoidance hole 19. During the tapping process, the debris formed by the processing can automatically fall into the chip discharge pipe 9, and finally fall from the chip discharge pipe 9 into the collection box 10 for collection and treatment.

[0029] In the utility model, when in use, first place the nut to be tapped in the die cavity 2 and align it with the chip discharge tube 9, start the drive motor 15, the drive motor 15 drives the rotation of the drive worm 16, the drive worm 16 drives the two worm wheels 17 and the transmission shaft 5 to rotate synchronously, the two transmission shafts 5 drive the two gears 6 to rotate synchronously, because one rack 7 is located above the corresponding gear 6 and meshes, and the other rack 7 is located below the corresponding gear 6 and meshes, so that the two gears 6 drive the two racks 7 to move closer to each other, the two racks 7 drive the two clamps 8 to move closer to each other and abut against the outside of the nut, so as to achieve the purpose of clamping and fixing nuts of different diameters, and then the center of the nut can be tapped. During the tapping process, the chips formed by the processing can be automatically It falls into the chip discharge pipe 9 and finally falls into the collection box 10 for collection and processing. After the tapping process is completed, the drive motor 15 is started in the reverse direction, so that the two clamps 8 move away from each other without clamping the nut, and then the servo motor 11 is started. The output shaft of the servo motor 11 drives the rotation of the lifting screw 13. Under the guidance of the chip discharge pipe 9 and the limit rod 18, the lifting screw 13 drives the movable plate 12 to move upward, and the movable plate 12 drives the tops of the four push rods 14 to push the processed nut out of the mold cavity 2, so that personnel can quickly remove the nut, and then the nut can be demolded efficiently and conveniently, thereby improving the efficiency of nut processing. After removal, the servo motor 11 is started in the reverse direction, so that the movable plate 12 and the push rod 14 move down and reset, and the second nut can be tapped.

Claims

1. A tapping die for nut processing that is easy to demould quickly, characterized in that: The invention comprises a mould (1) for fixing a nut, wherein a mould cavity (2) is provided at the top of the mould (1), drive cavities (4) are provided in the mould (1) on both sides of the mould cavity (2), a clamping mechanism for fixing the nut is provided between the drive cavity (4), the mould (1) and the mould cavity (2), a cavity (3) is provided in the mould (1) below the mould cavity (2), a quick demoulding mechanism for ejecting the nut is provided between the cavity (3), the mould (1) and the mould cavity (2), and a debris collection mechanism is provided on the mould (1).

2. A tapping die for nut processing that is easy to demould quickly according to claim 1, characterized in that: The clamping mechanism comprises two racks (7), a driving motor (15) fixedly connected to one side of the mold (1) and a transmission shaft (5) rotatably connected to the front and rear inner walls of the driving chamber (4); a driving worm (16) is fixedly connected to the output shaft of the driving motor (15); a worm wheel (17) and a gear (6) are fixedly sleeved on the outer side of the transmission shaft (5) from front to back in sequence; the driving worm (16) is meshed with the two worm wheels (17); the two gears (6) are respectively meshed with the corresponding racks (7); the ends of the two racks (7) close to each other are fixedly connected with a clamp (8); the shape of the clamp (8) matches the shape of the nut.

3. A tapping die for nut processing that is easy to demould quickly according to claim 2, characterized in that: Rectangular openings are provided on both sides of the mold (1), and two racks (7) are slidably sleeved in the corresponding rectangular openings.

4. A tapping die for nut processing that is easy to demould quickly according to claim 2, characterized in that: The gear (6) on one side is located below the rack (7) on the same side, and the gear (6) on the other side is located above the rack (7) on the same side.

5. The tapping die for nut processing that is easy to demould quickly according to claim 1, characterized in that: The rapid demoulding mechanism comprises a servo motor (11) fixedly connected to the bottom of the mold (1) and a lifting screw (13) rotatably connected to the top inner wall and the bottom inner wall of the cavity (3), the output shaft of the servo motor (11) being fixedly connected to the bottom end of the lifting screw (13), the outer thread sleeve of the lifting screw (13) being provided with a movable plate (12), and the top of the movable plate (12) being fixedly connected to four push rods (14).

6. A tapping die for nut processing that is easy to demould quickly according to claim 5, characterized in that: Four through holes are provided between the mold cavity (2) and the cavity (3), and four ejector rods (14) are slidably sleeved in corresponding through holes.

7. A tapping die for nut processing that is easy to demould quickly according to claim 5, characterized in that: The top inner wall and the bottom inner wall of the cavity (3) are fixedly connected to a same limiting rod (18), and the movable plate (12) is slidably sleeved on the outside of the limiting rod (18).

8. The tapping die for nut processing that is convenient for rapid demoulding according to claim 5, characterized in that: An avoidance hole (19) is provided at the top of the movable plate (12); the chip collection mechanism comprises a chip discharge pipe (9) fixedly connected to the inner wall of the bottom of the mold cavity (2); a collection box (10) is movably placed below the mold (1); the bottom end of the chip discharge pipe (9) extends to the bottom of the mold (1) and is located directly above the collection box (10); the chip discharge pipe (9) is slidably sleeved on the outside of the avoidance hole (19).

Images