Small-pitch in-mold tapping machine

Through the transmission mechanism composed of the transmission gear and driven gear arranged in a dislocation, the problem of difficult to clamp the tapping of small hole-distance parts in one go is solved, and efficient and precise processing results are achieved.

CN223070568UActive Publication Date: 2025-07-08DONGGUAN CITY TOPOLOGY MECHANICAL & ELECTRICAL EQUIP CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202421843348.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-31
Publication Date
2025-07-08
Estimated Expiration
2034-07-31

AI Technical Summary

Technical Problem

It is difficult for existing tapping machines to complete the processing of small hole-distance parts in one clamping, resulting in low processing efficiency and difficult to ensure accuracy.

Method used

The transmission mechanism is composed of a dislocated transmission gear and a driven gear, and is equipped with two tapping components to achieve the connection between the screw mechanism and the tapping mechanism, adapting to products with smaller hole distances.

Benefits of technology

Improve the machining accuracy and efficiency of small hole-distance parts to meet processing needs.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223070568U_ABST
    Figure CN223070568U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of tapping machines, in particular to a small hole pitch in-mold tapping machine, which comprises a screw rod mechanism, a tapping mechanism and a transmission mechanism, the screw rod mechanism is connected with the tapping mechanism through the transmission mechanism, the screw rod mechanism comprises a screw rod and a driving gear, the driving gear is arranged on the screw rod and can be driven by the screw rod to move, and the screw rod is connected with the transmission mechanism. The tapping mechanism comprises a first tapping assembly and a second tapping assembly, the transmission mechanism comprises a first transmission gear, a second transmission gear, a third transmission gear, a fourth transmission gear, a fifth transmission gear, a sixth transmission gear and a seventh transmission gear, and a first driven gear is arranged at the upper end of the second transmission gear; a second driven gear is arranged at the upper end of the third transmission gear, and a third driven gear is arranged at the upper end of the sixth transmission gear. The transmission mechanism is composed of the transmission gear and the driven gear which are arranged in a staggered mode, two tapping assemblies are matched at the same time, the tapping machine can adapt to products with smaller hole pitches, operation is easy and convenient, precision is high, and the machining requirement can be met.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of tapping machines, in particular to an in-mold tapping machine for small hole pitches. Background Art

[0002] An in-mold tapping machine, also known as an in-mold thread tapping machine, is a device used in conjunction with a hardware continuous die, capable of quickly machining screw holes while stamping hardware parts. By integrating traditional "stamping" and "thread tapping" technologies, this device directly forms within the die, thus avoiding secondary operations and greatly improving production efficiency.

[0003] Small hole pitch parts refer to parts where the distance between holes on the workpiece is less than 21. Although tapping machines are widely used in the field of machining, for tapping different hole positions, the position of the part still needs to be manually changed. Especially when tapping small hole pitch parts, it is more difficult, and it is hard to complete tapping in one clamping. Two thread tappings require two clamps to complete, which results in low processing efficiency and difficulty in ensuring the accuracy of the machined parts, unable to meet the processing requirements. Summary of the Utility Model

[0004] Aiming at the defects of the above-mentioned prior art, the utility model provides an in-mold tapping machine for small hole pitches. The transmission mechanism consists of a driving gear and a driven gear arranged in a staggered manner, and is also equipped with two tapping components, which can adapt to products with smaller hole pitches, is simple and convenient to operate, has high precision, and can meet the processing requirements.

[0005] To achieve the above object, the technical solution adopted by the utility model is:

[0006] An in-mold tapping machine for small hole pitches includes a screw mechanism, a tapping mechanism, and a transmission mechanism. The screw mechanism is connected to the tapping mechanism through the transmission mechanism. The screw mechanism includes a lead screw and a driving gear. The driving gear is arranged on the lead screw and can be driven to move by the lead screw. The tapping mechanism includes a first tapping component and a second tapping component. The transmission mechanism includes a first driving gear, a second driving gear, a third driving gear, a fourth driving gear, a fifth driving gear, a sixth driving gear, and a seventh driving gear. The first driving gear is respectively meshed and connected with the driving gear and the second driving gear. A first driven gear is arranged at the upper end of the second driving gear, and the first driven gear is connected to the third driving gear. A second driven gear is arranged at the upper end of the third driving gear, and the second driven gear is respectively connected to the fourth driving gear and the fifth driving gear. The fifth driving gear is connected to the sixth driving gear. A third driven gear is arranged at the upper end of the sixth driving gear, and the third driven gear is connected to the seventh driving gear. The fourth driving gear is connected to the first tapping component and can be driven to move by the fourth driving gear. The seventh driving gear is connected to the second tapping component and can be driven to move by the seventh driving gear.

[0007] In the above description, preferably, the screw mechanism further includes an upper mounting plate, a lower mounting plate, and a mounting seat. The mounting seat is disposed between the upper mounting plate and the lower mounting plate. The upper mounting plate is provided with a mounting hole for inserting the upper end of the lead screw. The lower mounting plate is provided with a bearing seat, and the lower end of the lead screw is mounted on the bearing seat.

[0008] In the above description, preferably, a threaded sleeve is sleeved on the lead screw, and the driving gear is mounted on the lead screw through the threaded sleeve.

[0009] In the above description, preferably, the first transmission gear is inserted with a first movable shaft, and a first upper bearing and a first lower bearing are respectively provided at the upper and lower ends of the first movable shaft.

[0010] In the above description, preferably, the second transmission gear is inserted with a second movable shaft, the first driven gear is mounted at the upper end of the second movable shaft, and a second upper bearing and a second lower bearing are respectively provided at the upper and lower ends of the second movable shaft.

[0011] In the above description, preferably, the third transmission gear is inserted with a third movable shaft, the second driven gear is mounted at the upper end of the third movable shaft, and a third upper bearing and a third lower bearing are respectively provided at the upper and lower ends of the third movable shaft. A first separating bearing is provided between the third upper bearing and the third lower bearing, and the first separating bearing is located between the third transmission gear and the second driven gear.

[0012] In the above description, preferably, the fourth transmission gear is inserted with a fourth movable shaft, a fourth upper bearing and a fourth lower bearing are provided on the fourth movable shaft, the fourth upper bearing and the fourth lower bearing are respectively disposed at the upper and lower ends of the fourth transmission gear. The first tapping assembly includes a first tap chuck and a first tap. The first tap chuck is disposed at the lower end of the fourth movable shaft, and the first tap is mounted on the first tap chuck.

[0013] In the above description, preferably, the fifth transmission gear is inserted with a fifth movable shaft, a fifth upper bearing and a fifth lower bearing are provided on the fifth movable shaft, and the fifth upper bearing and the fifth lower bearing are respectively mounted at the upper and lower ends of the fifth transmission gear.

[0014] In the above description, preferably, the sixth transmission gear is inserted with a sixth movable shaft, the third driven gear is disposed at the upper end of the sixth movable shaft, and a sixth upper bearing and a sixth lower bearing are respectively provided at the upper and lower ends of the sixth movable shaft. A second separating bearing is provided between the sixth upper bearing and the sixth lower bearing, and the second separating bearing is located between the sixth transmission gear and the third driven gear.

[0015] In the above description, preferably, the seventh transmission gear is inserted with a seventh movable shaft, and the seventh upper bearing and the seventh lower bearing are arranged on the seventh movable shaft. The seventh upper bearing and the seventh lower bearing are respectively arranged at the upper and lower ends of the seventh transmission gear. The second tapping assembly includes a second tap chuck and a second tap. The second tap chuck is arranged at the lower end of the seventh movable shaft, and the second tap is installed on the second tap chuck.

[0016] The beneficial effects produced by the present utility model are as follows: The screw mechanism is connected to the tapping mechanism through the transmission mechanism. The tapping mechanism includes a first tapping assembly and a second tapping assembly. The transmission mechanism includes a first transmission gear, a second transmission gear, a third transmission gear, a fourth transmission gear, a fifth transmission gear, a sixth transmission gear, and a seventh transmission gear. The first transmission gear is respectively meshed and connected with the driving gear and the second transmission gear. A first driven gear is arranged at the upper end of the second transmission gear, and the first driven gear is connected to the third transmission gear. A second driven gear is arranged at the upper end of the third transmission gear, and the second driven gear is respectively connected to the fourth transmission gear and the fifth transmission gear. The fifth transmission gear is connected to the sixth transmission gear. A third driven gear is arranged at the upper end of the sixth transmission gear, and the third driven gear is connected to the seventh transmission gear. The fourth transmission gear is connected to the first tapping assembly and can be driven to move by the fourth transmission gear. The seventh transmission gear is connected to the second tapping assembly and can be driven to move by the seventh transmission gear. The transmission mechanism is composed of transmission gears and driven gears arranged in a staggered manner, and at the same time, two tapping assemblies are coordinated to work, which can adapt to products with smaller hole pitches, is simple and convenient to operate, has high precision, and can meet the processing requirements. Description of the Drawings

[0017] Figure 1 : is a schematic structural diagram of an embodiment of the present utility model;

[0018] Figure 2 : is a schematic structural diagram of the first disassembled state of an embodiment of the present utility model;

[0019] Figure 3 : is a schematic structural diagram of the second disassembled state of an embodiment of the present utility model;

[0020] Description of the drawing reference numerals: 10 - screw mechanism, 11 - upper mounting plate, 12 - lower mounting plate, 13 - mounting seat, 14 - lead screw, 15 - drive gear, 16 - threaded sleeve, 17 - bearing seat, 20 - first tap chuck, 21 - first tap, 22 - second tap chuck, 23 - second tap, 30 - first transmission gear, 301 - first movable shaft, 302 - first upper bearing, 303 - first lower bearing, 31 - second transmission gear, 311 - second movable shaft, 312 - second upper bearing, 313 - second lower bearing, 32 - third transmission gear, 321 - third movable shaft, 322 - third upper bearing, 323 - third lower bearing, 324 - first separating bearing, 33 - fourth transmission gear, 331 - fourth movable shaft, 332 - fourth upper bearing, 333 - fourth lower bearing, 34 - fifth transmission gear, 341 - fifth movable shaft, 342 - fifth upper bearing, 343 - fifth lower bearing, 35 - sixth transmission gear, 351 - sixth movable shaft, 352 - sixth upper bearing, 353 - sixth lower bearing, 354 - second separating bearing, 36 - seventh transmission gear, 361 - seventh movable shaft, 362 - seventh upper bearing, 363 - seventh lower bearing, 37 - first driven gear, 38 - second driven gear, 39 - third driven gear, 40 - housing. Detailed implementation manners

[0021] To more clearly elaborate on the structural features, technical means, and the specific purposes and functions achieved by the present utility model, the following will further describe the present utility model in detail with reference to the drawings and specific embodiments:

[0022] In this embodiment: As Figures 1-3 shown, the small hole pitch in - mold tapping machine includes a screw mechanism 10, a tapping mechanism, and a transmission mechanism. The screw mechanism 10 is connected to the tapping mechanism through the transmission mechanism, and a housing 40 is arranged outside the transmission mechanism.

[0023] The screw mechanism 10 includes an upper mounting plate 11, a lower mounting plate 12, a mounting seat 13, a lead screw 14, and a drive gear 15. The drive gear 15 is arranged on the lead screw 14 and can be driven by the lead screw 14 to move. A threaded sleeve 16 is sleeved on the lead screw 14, and the drive gear 15 is installed on the lead screw 14 through the threaded sleeve 16. The mounting seat 13 is arranged between the upper mounting plate 11 and the lower mounting plate 12. The upper mounting plate 11 is provided with a mounting hole for the upper end of the lead screw 14 to insert, and a bearing seat 17 is provided on the lower mounting plate 12. The lower end of the lead screw 14 is installed on the bearing seat 17. The tapping mechanism includes a first tapping assembly and a second tapping assembly.

[0024] The transmission mechanism includes a first transmission gear 30, a second transmission gear 31, a third transmission gear 32, a fourth transmission gear 33, a fifth transmission gear 34, a sixth transmission gear 35, and a seventh transmission gear 36. The first transmission gear 30 is inserted with a first movable shaft 301. The upper and lower ends of the first movable shaft 301 are respectively provided with a first upper bearing 302 and a first lower bearing 303. The first transmission gear 30 is respectively meshed and connected with the drive gear 15 and the second transmission gear 31. The upper end of the second transmission gear 31 is provided with a first driven gear 37. The second transmission gear 31 is inserted with a second movable shaft 311. The first driven gear 37 is installed at the upper end of the second movable shaft 311. The upper and lower ends of the second movable shaft 311 are respectively provided with a second upper bearing 312 and a second lower bearing 313. The first driven gear 37 is connected with the third transmission gear 32. The upper end of the third transmission gear 32 is provided with a second driven gear 38. The third transmission gear 32 is inserted with a third movable shaft 321. The second driven gear 38 is installed at the upper end of the third movable shaft 321. The upper and lower ends of the third movable shaft 321 are respectively provided with a third upper bearing 322 and a third lower bearing 323. A first separating bearing 324 is provided between the third upper bearing 322 and the third lower bearing 323. The first separating bearing 324 is located between the third transmission gear 32 and the second driven gear 38. The second driven gear 38 is respectively connected with the fourth transmission gear 33 and the fifth transmission gear 34. The fourth transmission gear 33 is inserted with a fourth movable shaft 331. The fourth movable shaft 331 is provided with a fourth upper bearing 332 and a fourth lower bearing 333. The fourth upper bearing 332 and the fourth lower bearing 333 are respectively arranged at the upper and lower ends of the fourth transmission gear 33. The fourth transmission gear 33 is connected with a first tapping assembly and can be driven to move by the fourth transmission gear 33. The first tapping assembly includes a first tap chuck 20 and a first tap 21. The first tap chuck 20 is arranged at the lower end of the fourth movable shaft 331. The first tap 21 is installed on the first tap chuck 20. The fifth transmission gear 34 is connected with the sixth transmission gear 35. The fifth transmission gear 34 is inserted with a fifth movable shaft 341. The fifth movable shaft 341 is provided with a fifth upper bearing 342 and a fifth lower bearing 343. The fifth upper bearing 342 and the fifth lower bearing 343 are respectively installed at the upper and lower ends of the fifth transmission gear 34. The upper end of the sixth transmission gear 35 is provided with a third driven gear 39. The sixth transmission gear 35 is inserted with a sixth movable shaft 351. The third driven gear 39 is arranged at the upper end of the sixth movable shaft 351. The upper and lower ends of the sixth movable shaft 351 are respectively provided with a sixth upper bearing 352 and a sixth lower bearing 353. A second separating bearing 354 is provided between the sixth upper bearing 352 and the sixth lower bearing 353. The second separating bearing 354 is located between the sixth transmission gear 35 and the third driven gear 39. The third driven gear 39 is connected with the seventh transmission gear 36. The seventh transmission gear 36 is inserted with a seventh movable shaft 361. The seventh movable shaft 361 is provided with a seventh upper bearing 362 and a seventh lower bearing 363.The seventh upper bearing 362 and the seventh lower bearing 363 are respectively arranged at the upper and lower ends of the seventh transmission gear 36. The seventh transmission gear 36 is connected to the second tapping assembly and can be driven to move by the seventh transmission gear 36. The second tapping assembly includes a second tap chuck 22 and a second tap 23. The second tap chuck 22 is arranged at the lower end of the seventh movable shaft 361, and the second tap 23 is installed on the second tap chuck 22.,

[0025] The transmission mechanism of this product is composed of transmission gears and driven gears arranged in a staggered manner, which is small in size and saves space. At the same time, it works with two tapping assemblies, can adapt to products with smaller hole pitches, is simple and convenient to operate, has high precision, and can meet the processing requirements.

[0026] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Therefore, any modifications, equivalent replacements, improvements, etc. made to the above embodiments based on the technical solutions of the present invention still fall within the scope of the technical solutions of the present invention.

Claims

1. The small-hole pitch in-mold tapping machine, including a screw mechanism, a tapping mechanism and a transmission mechanism, is characterized in that: The screw mechanism is connected to the tapping mechanism through a transmission mechanism. The screw mechanism includes a lead screw and a driving gear. The driving gear is arranged on the lead screw and can be driven to move by the lead screw. The tapping mechanism includes a first tapping assembly and a second tapping assembly. The transmission mechanism includes a first transmission gear, a second transmission gear, a third transmission gear, a fourth transmission gear, a fifth transmission gear, a sixth transmission gear and a seventh transmission gear. The first transmission gear is meshed and connected to the driving gear and the second transmission gear respectively. A first driven gear is arranged at the upper end of the second transmission gear. The first driven gear is connected to the third transmission gear. A second driven gear is arranged at the upper end of the third transmission gear. The second driven gear is connected to the fourth transmission gear and the fifth transmission gear respectively. The fifth transmission gear is connected to the sixth transmission gear. A third driven gear is arranged at the upper end of the sixth transmission gear. The third driven gear is connected to the seventh transmission gear. The fourth transmission gear is connected to the first tapping assembly and can be driven to move by the fourth transmission gear. The seventh transmission gear is connected to the second tapping assembly and can be driven to move by the seventh transmission gear.

2. The in-mold tapping machine with a small hole pitch according to claim 1, characterized in that: The screw mechanism further includes an upper mounting plate, a lower mounting plate and a mounting seat. The mounting seat is arranged between the upper mounting plate and the lower mounting plate. The upper mounting plate is provided with a mounting hole for the upper end of the lead screw to insert. A bearing seat is arranged on the lower mounting plate. The lower end of the lead screw is mounted on the bearing seat.

3. The in-mold tapping machine with a small hole pitch according to claim 1, characterized in that: A threaded sleeve is sleeved on the lead screw. The driving gear is mounted on the lead screw through the threaded sleeve.

4. The in-mold tapping machine with a small hole pitch according to claim 1, characterized in that: The first transmission gear is inserted with a first movable shaft. The upper and lower ends of the first movable shaft are respectively provided with a first upper bearing and a first lower bearing.

5. The in-mold tapping machine with a small hole pitch according to claim 1, characterized in that: The second transmission gear is inserted with a second movable shaft. The first driven gear is mounted on the upper end of the second movable shaft. The upper and lower ends of the second movable shaft are respectively provided with a second upper bearing and a second lower bearing.

6. The in-mold tapping machine with a small hole pitch according to claim 1, characterized in that: The third transmission gear is inserted with a third movable shaft. The second driven gear is mounted on the upper end of the third movable shaft. The upper and lower ends of the third movable shaft are respectively provided with a third upper bearing and a third lower bearing. A first separating bearing is arranged between the third upper bearing and the third lower bearing. The first separating bearing is located between the third transmission gear and the second driven gear.

7. The in-mold tapping machine with a small hole pitch according to claim 1, characterized in that: The fourth transmission gear is inserted with a fourth movable shaft. The fourth movable shaft is provided with a fourth upper bearing and a fourth lower bearing. The fourth upper bearing and the fourth lower bearing are respectively arranged at the upper and lower ends of the fourth transmission gear. The first tapping assembly includes a first tap chuck and a first tap. The first tap chuck is arranged at the lower end of the fourth movable shaft. The first tap is mounted on the first tap chuck.

8. The in-mold tapping machine with a small hole pitch according to claim 1, wherein: The fifth transmission gear is inserted with a fifth movable shaft. The fifth movable shaft is provided with a fifth upper bearing and a fifth lower bearing. The fifth upper bearing and the fifth lower bearing are respectively mounted at the upper and lower ends of the fifth transmission gear.

9. The in-mold tapping machine with a small hole pitch according to claim 1, characterized in that: The sixth transmission gear is inserted with a sixth movable shaft. The third driven gear is arranged at the upper end of the sixth movable shaft. The upper and lower ends of the sixth movable shaft are respectively provided with a sixth upper bearing and a sixth lower bearing. A second separating bearing is arranged between the sixth upper bearing and the sixth lower bearing. The second separating bearing is located between the sixth transmission gear and the third driven gear.

10. The in-mold tapping machine with a small hole pitch according to claim 1, characterized in that: The seventh transmission gear is inserted with a seventh movable shaft, and a seventh upper bearing and a seventh lower bearing are provided on the seventh movable shaft. The seventh upper bearing and the seventh lower bearing are respectively arranged at the upper and lower ends of the seventh transmission gear. The second tapping assembly includes a second tap chuck and a second tap. The second tap chuck is arranged at the lower end of the seventh movable shaft, and the second tap is installed on the second tap chuck.