In-mold tapping drive device

By designing the in-mold tapping drive device and integrating stamping and tapping technology, the cumbersome problems of traditional tapping methods are solved, and efficient processing is achieved in the mold. It is suitable for a variety of application occasions and multiple sets of molds, improving production efficiency and Thread mass.

CN110560798BActive Publication Date: 2024-12-17DONGGUAN ZHUODIKE MASCH CO LTD
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Patent Information

Application Number
CN201910970782.4
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2019-10-14
Publication Date
2024-12-17
Estimated Expiration
2039-10-14

AI Technical Summary

Technical Problem

The production process of traditional tapping methods is complicated, which increases production time and cost, and has low processing efficiency. The existing in-mold tapping devices cannot be suitable for a variety of applications and multiple sets of molds. The tapping accuracy is low and the thread quality cannot be guaranteed.

Method used

A in-mold tapping drive device is designed, which integrates stamping and tapping technology through the combination of gearbox, cover plate and connecting plate to achieve direct molding in the mold, reduce production processes, improve efficiency, and pass multiple transmission shafts. and tap sleeve design, suitable for processing workpieces of different sizes and multiple holes.

Benefits of technology

It shortens processing time, reduces production costs, improves production efficiency, is suitable for a variety of applications and multiple sets of molds, ensures thread quality, and improves the stability of use and convenience of replacement through a quick lock design.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present invention discloses an in-mold tapping drive device, including a gear box, a cover plate and a connecting plate, the back of the gear box is fixedly connected to a mounting plate, the interior of the mounting plate is provided with upper and lower keyways, the bottom of the mounting plate is fixedly connected to a driving gear, the bottom of the mounting plate is fixedly connected to a first gear meshing with the driving gear via a connecting shaft, the bottom of the mounting plate is fixedly connected to a second gear meshing with the first gear via a connecting shaft, and the present invention relates to the technical field of in-mold tapping. The in-mold tapping drive device, by providing upper and lower keyways in the interior of the mounting plate, breaks the traditional processing method, integrates the traditional stamping and tapping technologies, and directly forms in the mold, thereby reducing the production process, shortening the processing time, reducing the production cost, and improving the production efficiency. The device can be applied to a variety of applications and multiple sets of molds, and has a wide range of applications.
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Description

Technical Field

[0001] The invention relates to the technical field of in-mold tapping, in particular to an in-mold tapping driving device. Background Art

[0002] Tapping machine is a kind of mechanical processing equipment that processes internal threads, screws or thread buckles on the inner side of various parts with through holes or blind holes of different specifications, such as machine housings, equipment end faces, nuts and flanges. Tapping machine is also called tapping machine, thread tapping machine, thread tapping machine and automatic tapping machine, etc. Tapping machine can be divided into in-mold tapping machine, universal tapping machine, hot-punch nut tapping machine, flange nut tapping machine, round nut tapping machine, hexagonal nut tapping machine, blind hole nut tapping machine and anti-theft nut tapping machine and other models. Tapping machine is suitable for It is used in the processing of automobile or motorcycle body, frame, chassis, connecting rod, engine, cylinder and various mechanical parts, machine tools, hardware products, metal pipes, gears, pump bodies, valves and fasteners. The high-precision tapping stroke is easy to adjust, and the automatic reversing device can freely adjust the tapping stroke. Shallow holes and low-processing parts with holes can also be easily adjusted. The double safety device can prevent damage (breakage) of the tap. The spindle rotation and up and down, advance and retract tool are specially equipped with double safety clutches. The spindle can stop automatically, and the tool will not be damaged when reversing and retracting.

[0003] The traditional tapping method is generally that the workpiece is first stamped through a mold, and after the stamping is completed, the workpiece is taken out and transported to the tapping equipment, and then tapped by a tapping machine. This method has many production processes and cumbersome operations, which increases production time and increases processing costs. The processing efficiency is low. At the same time, the existing in-mold tapping device cannot be applied to a variety of application occasions and multiple sets of molds, and cannot tap workpieces of different sizes according to needs. The tapping accuracy is low and the thread quality cannot be guaranteed. Summary of the invention

[0004] 1. Technical issues to be resolved

[0005] In view of the shortcomings of the prior art, the present invention provides an in-mold tapping drive device, which solves the problems that the traditional tapping method has many production processes, cumbersome operations, increased production time, increased processing costs, and low processing efficiency. At the same time, the existing in-mold tapping device cannot be applied to a variety of application occasions and multiple sets of molds, cannot tap workpieces of different sizes according to requirements, has low tapping accuracy, and cannot guarantee the quality of the thread.

[0006] (II) Technical solution

[0007] To achieve the above objectives, the present invention is implemented through the following technical solutions: an in-mold tapping drive device, comprising a gear box, a cover plate and a connecting plate, the back of the gear box is fixedly connected to a mounting plate, the interior of the mounting plate is provided with upper and lower keyways, the bottom of the mounting plate is fixedly connected to a driving gear, the bottom of the mounting plate is fixedly connected to a first gear meshing with the driving gear through a connecting shaft, the bottom of the mounting plate is fixedly connected to a second gear meshing with the first gear through a connecting shaft, the bottom of the gear box is fixedly connected to a third gear meshing with the second gear through a fixed shaft, one end of the fixed shaft close to the gear box passes through the gear box and extends to the outside of the gear box, the surface of the fixed shaft extending to the outside of the gear box is fixedly connected to a fixed gear, the front of the gear box is rotatably connected to a transmission shaft, the top and bottom of one side of the front of the gear box are fixedly connected to a positioning shaft, the surface of the transmission shaft and the surface of the positioning shaft are fixedly connected to a driven gear, and the front of the gear box is fixedly connected to a transmission gear through a connecting shaft.

[0008] Preferably, the outer surface of the fixed gear meshes with the outer surface of the driven gear, the outer surface of the fixed gear meshes with the outer surface of the transmission gear, the outer surface of the driven gear meshes with the outer surface of the transmission gear, the end of the transmission shaft close to the gear box passes through the gear box and extends to the outside of the gear box, and the end of the positioning shaft close to the gear box passes through the gear box and extends to the outside of the gear box.

[0009] Preferably, the transmission shaft extends to an end outside the gear box and is fixedly connected to the inside with a tap sleeve, and the end of the tap sleeve away from the transmission shaft is provided with a mounting groove, and the inside of the tap sleeve is provided with a tap that matches the mounting groove.

[0010] Preferably, a connecting hole is opened inside the tap sleeve and at the top of the mounting groove, the bottom of the mounting plate is threadedly connected to a mounting cover that matches the mounting plate via bolts, the mounting cover is fixedly connected to a mounting seat on a side away from the mounting plate, and the mounting seat is threadedly connected to a base plate on a side away from the mounting cover via bolts.

[0011] Preferably, a U-shaped groove is provided at the top of the bottom plate and at the bottom of the mounting seat, and a through hole is provided on the surface of the bottom plate.

[0012] Preferably, the top of the gear box is threadedly connected to the bottom of the cover plate via bolts, and the bottom of the gear box is threadedly connected to the top of the connecting plate via bolts.

[0013] Preferably, a mounting hole matched with the transmission shaft is provided on the surface of the connecting plate, and a through groove is provided in the middle of the connecting plate.

[0014] Preferably, a fixing hole matched with the transmission shaft is opened on the surface of the cover plate, and a handle is fixedly connected to the front of the gear box.

[0015] (III) Beneficial effects

[0016] The present invention provides an in-mold tapping drive device. Compared with the prior art, it has the following beneficial effects:

[0017] (1) The in-mold tapping drive device is provided with upper and lower keyways inside a mounting plate, a driving gear is fixedly connected to the bottom of the mounting plate, a first gear meshing with the driving gear is fixedly connected to the bottom of the mounting plate through a connecting shaft, a second gear meshing with the first gear is fixedly connected to the bottom of the mounting plate through a connecting shaft, a third gear meshing with the second gear is fixedly connected to the bottom of the gear box through a fixed shaft, an end of the fixed shaft close to the gear box passes through the gear box and extends to the outside of the gear box, a fixed gear is fixedly connected to the surface of the fixed shaft extending to the outside of the gear box, a transmission shaft is rotatably connected to the front of the gear box, a positioning shaft is fixedly connected to the top and bottom of one side of the front of the gear box, a driven gear is fixedly connected to the surface of the transmission shaft and the surface of the positioning shaft, and a transmission gear is fixedly connected to the front of the gear box through a connecting shaft, breaking the traditional processing method, integrating the traditional stamping and tapping technologies, and directly forming in the mold, reducing the production process, shortening the processing time, reducing the production cost, and improving the production efficiency. The device can be applied to a variety of application occasions and multiple sets of molds, and has a wide range of applications.

[0018] (2) The in-mold tapping drive device is connected to a transmission shaft through the front rotation of the gear box. The top and bottom of the front side of the gear box are fixedly connected to positioning shafts. The end of the transmission shaft close to the gear box passes through the gear box and extends to the outside of the gear box. The end of the positioning shaft close to the gear box passes through the gear box and extends to the outside of the gear box. There are multiple transmission shafts. Taps installed in different positions can be selected for processing according to the processing positions of workpieces of different sizes. Multiple holes can be tapped at the same time. It has a wide range of uses and reduces the economic cost of the factory.

[0019] (3) The in-mold tapping drive device extends from the transmission shaft to the outside of the gear box, and is internally fixedly connected to a tap sleeve. The end of the tap sleeve away from the transmission shaft is provided with a mounting groove. The inside of the tap sleeve is provided with a tap that matches the mounting groove. A connecting hole is provided inside the tap sleeve and at the top of the mounting groove. The tap adopts a quick lock for self-locking, which is stable and reliable to use and more convenient and quick to replace. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 A three-dimensional diagram of the structure of the present invention;

[0021] Figure 2 A top view of the structure of the present invention;

[0022] Figure 3 A side view of the structure of the present invention;

[0023] Figure 4 It is a front view of the structure of the present invention;

[0024] Figure 5 It is a front exploded view of the structure of the present invention;

[0025] Figure 6 It is a top exploded view of the structure of the present invention;

[0026] Figure 7 It is a front perspective view of the gearbox structure of the present invention;

[0027] Figure 8 It is a rear perspective view of the gearbox structure of the present invention;

[0028] Fig. 9 For the present invention Figure 8 A partial enlarged view of the middle A;

[0029] Fig.10 is a three-dimensional diagram of the tap structure of the present invention;

[0030] Fig.11 A three-dimensional diagram of the tap sleeve structure of the present invention;

[0031] Fig.12 It is a front view of the tap sleeve structure of the present invention;

[0032] Fig.13 It is an assembly diagram of the tap and tap sleeve structure of the present invention.

[0033] In the figure, 1 is a gear box, 2 is a cover plate, 3 is a connecting plate, 4 is a mounting plate, 5 is an upper and lower keyway, 6 is a driving gear, 7 is a first gear, 8 is a second gear, 9 is a fixed shaft, 10 is a third gear, 11 is a fixed gear, 12 is a transmission shaft, 13 is a positioning shaft, 14 is a driven gear, 15 is a transmission gear, 16 is a tap sleeve, 17 is a mounting groove, 18 is a tap, 19 is a connecting hole, 20 is a mounting cover, 21 is a mounting seat, 22 is a bottom plate, 23 is a U-shaped groove, 24 is a through hole, 25 is a mounting hole, 26 is a through groove, 27 is a fixing hole, and 28 is a handle. DETAILED DESCRIPTION

[0034] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments 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 creative work are within the scope of protection of the present invention.

[0035] See also Figure 1-13The embodiment of the present invention provides a technical solution: an in-mold tapping drive device, including a gear box 1, a cover plate 2 and a connecting plate 3. The device breaks the traditional processing method, integrates the traditional stamping and tapping technology, and directly forms in the mold, which reduces the production process, shortens the processing time, reduces the production cost, and improves the production efficiency. The device can be applied to a variety of applications and multiple sets of molds. The surface of the cover plate 2 is provided with a fixing hole 27 adapted to the transmission shaft 12. The number of the fixing holes 27 is multiple, which is adapted to the position of the transmission shaft 12 and the positioning shaft 13. The front of the gear box 1 is fixedly connected with a handle 28. The surface of the connecting plate 3 is provided with a mounting hole 25 adapted to the transmission shaft 12. The number of the mounting holes 25 is multiple. , adapted to the position of the transmission shaft 12 and the positioning shaft 13, a through groove 26 is opened in the middle of the connecting plate 3, the top of the gear box 1 is threadedly connected to the bottom of the cover plate 2 by bolts, the bottom of the gear box 1 is threadedly connected to the top of the connecting plate 3 by bolts, the back of the gear box 1 is fixedly connected with a mounting plate 4, the interior of the mounting plate 4 is provided with upper and lower keyways 5, the nuts and screws can be installed through the upper and lower keyways 5, the bottom of the mounting plate 4 is fixedly connected with a driving gear 6, the bottom of the mounting plate 4 is fixedly connected with a first gear 7 meshing with the driving gear 6 through a connecting shaft, the bottom of the mounting plate 4 is fixedly connected with a second gear 8 meshing with the first gear 7 through a connecting shaft, and the bottom of the gear box 1 is fixedly connected with a second gear 8 meshing with the second gear 8 through a fixed shaft 9. The third gear 10, the end of the fixed shaft 9 close to the gear box 1 passes through the gear box 1 and extends to the outside of the gear box 1, the surface of the fixed shaft 9 extending to the outside of the gear box 1 is fixedly connected with a fixed gear 11, the number of the fixed gears 11 is four, distributed on the surface of the gear box 1, the outer surface of the fixed gear 11 is meshed with the outer surface of the driven gear 14, the outer surface of the fixed gear 11 is meshed with the outer surface of the transmission gear 15, the outer surface of the driven gear 14 is meshed with the outer surface of the transmission gear 15, the end of the transmission shaft 12 close to the gear box 1 passes through the gear box 1 and extends to the outside of the gear box 1, the end of the positioning shaft 13 close to the gear box 1 passes through the gear box 1 and extends to the outside of the gear box 1, the front of the gear box 1 is rotatably connected with the transmission shaft 12 There are seven transmission shafts 12 distributed on the surface of the gear box 1. There are multiple transmission shafts 12. Taps installed at different positions can be selected for processing according to the processing positions of workpieces of different sizes, and multiple holes can be tapped at the same time. It has a wide range of uses and reduces the economic cost of the factory. The transmission shaft 12 extends to the inside of one end of the outer side of the gear box 1 and is fixedly connected with a tap sleeve 16. A connecting hole 19 is provided inside the tap sleeve 16 and at the top of the mounting groove 17. The bottom of the mounting plate 4 is threadedly connected with a mounting cover 20 that is compatible with the mounting plate 4 by bolts. The side of the mounting cover 20 away from the mounting plate 4 is fixedly connected with a mounting seat 21, and the side of the mounting seat 21 away from the mounting cover 20 is threadedly connected with a bottom plate 22 by bolts.A U-shaped groove 23 is provided at the top of the bottom plate 22 and at the bottom of the mounting seat 21. A through hole 24 is provided on the surface of the bottom plate 22. The number of through holes 24 is several. The position of the through hole 24 matches the position of the tap 18. A mounting groove 17 is provided at the end of the tap sleeve 16 away from the transmission shaft 12. The inside of the tap sleeve 16 is provided with a tap 18 that matches the mounting groove 17. The tap 18 adopts a quick lock self-locking, which is more convenient, fast, stable and reliable. The top and bottom of the front side of the gear box 1 are fixedly connected with the positioning shaft 13. The number of positioning shafts 13 is two. The surface of the transmission shaft 12 and the surface of the positioning shaft 13 are fixedly connected with the driven gear 14. The number of driven gears 14 is nine. The front side of the gear box 1 is fixedly connected with the transmission gear 15 through the connecting shaft. The number of transmission gears 15 is two. The fixed gear 11, the transmission gear 15 and the driven gear 14 are meshed with each other.

[0036] When in use, the tapping drive device is installed on the stamping die, and the screw and the nut are installed on the tapping drive device through the upper and lower keyways 5. When the die drives the screw to be pressed down, the screw drives the nut to rotate, and the nut drives the driving gear 6 to rotate through the upper and lower keyways 5. The driving gear 6 rotates to drive the first gear 7, the second gear 8 and the third gear 10 to rotate in sequence. The third gear 10 rotates to drive the fixed gear 11 to rotate. The fixed gear 11 is meshed with the driven gear 14 and the transmission gear 15. The rotation of the fixed gear 11 can simultaneously drive the driven gear 14 and the transmission gear 15 to rotate. The rotation of the driven gear 14 drives the transmission shaft 12 on the gear box 1 to rotate at the same time. The interior of the transmission shaft 12 is equipped with a tap sleeve 16. The tap 18 is self-locked in the tap sleeve 16 with a quick lock. The installation position of the tap 18 is selected according to the number and position of the machining holes of the workpiece. Multiple taps 18 can be installed at the same time. The transmission shaft 12 rotates and drives the tap 18 to tap the workpiece.

[0037] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0038] 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. An in-mold tapping drive device, comprising a gear box (1), a cover plate (2) and a connecting plate (3), wherein a mounting plate (4) is fixedly connected to the back of the gear box (1), and characterized in that: The mounting plate (4) is provided with an upper and lower keyway (5) inside, the bottom of the mounting plate (4) is fixedly connected to a driving gear (6), the bottom of the mounting plate (4) is fixedly connected to a first gear (7) meshing with the driving gear (6) via a connecting shaft, the bottom of the mounting plate (4) is fixedly connected to a second gear (8) meshing with the first gear (7) via a connecting shaft, the bottom of the gear box (1) is fixedly connected to a third gear (10) meshing with the second gear (8) via a fixing shaft (9), the fixing shaft (9) being close to the gear box (1). ) passes through the gear box (1) and extends to the outside of the gear box (1); the surface of the fixed shaft (9) extending to the outside of the gear box (1) is fixedly connected to a fixed gear (11); the front of the gear box (1) is rotatably connected to a transmission shaft (12); the top and bottom of the front side of the gear box (1) are fixedly connected to a positioning shaft (13); the surface of the transmission shaft (12) and the surface of the positioning shaft (13) are fixedly connected to a driven gear (14); and the front of the gear box (1) is fixedly connected to a transmission gear (15) via a connecting shaft; The outer surface of the fixed gear (11) meshes with the outer surface of the driven gear (14), the outer surface of the fixed gear (11) meshes with the outer surface of the transmission gear (15), the outer surface of the driven gear (14) meshes with the outer surface of the transmission gear (15), the end of the transmission shaft (12) close to the gear box (1) passes through the gear box (1) and extends to the outside of the gear box (1), the end of the positioning shaft (13) close to the gear box (1) passes through the gear box (1) and extends to the outside of the gear box (1), the number of the transmission shafts (12) is seven, the number of the positioning shafts (13) is two, the number of the fixed gears (11) is four, the number of the driven gears (14) is nine, and the number of the transmission gears (15) is two; A fixing hole (27) adapted to the transmission shaft (12) is provided on the surface of the cover plate (2), and a handle (28) is fixedly connected to the front of the gear box (1); The top and bottom of the front side of the gear box (1) are fixedly connected with a positioning shaft (13), the number of the positioning shafts (13) is two, the surface of the transmission shaft (12) and the surface of the positioning shaft (13) are fixedly connected with a driven gear (14), the number of the driven gears (14) is nine, the front side of the gear box (1) is fixedly connected with a transmission gear (15) via a connecting shaft, the number of the transmission gears (15) is two, and the fixed gear (11), the transmission gear (15) and the driven gear (14) are meshed with each other; There are seven transmission shafts (12), and taps at different positions can be selected for processing according to the processing positions of workpieces of different sizes, and multiple holes can be tapped at the same time; A tap sleeve (16) is fixedly connected to the interior of one end of the transmission shaft (12) extending to the outside of the gear box (1), and a mounting groove (17) is provided at one end of the tap sleeve (16) away from the transmission shaft (12), and a tap (18) matching the mounting groove (17) is provided inside the tap sleeve (16); A connection hole (19) is provided inside the tap sleeve (16) and at the top of the mounting groove (17); a mounting cover (20) matching the mounting plate (4) is threadedly connected to the bottom of the mounting plate (4) via bolts; a mounting seat (21) is fixedly connected to the side of the mounting cover (20) away from the mounting plate (4); and a bottom plate (22) is threadedly connected to the side of the mounting seat (21) away from the mounting cover (20) via bolts; A U-shaped groove (23) is provided at the top of the bottom plate (22) and at the bottom of the mounting seat (21), and a through hole (24) is provided on the surface of the bottom plate (22); The top of the gear box (1) is connected to the bottom of the cover plate (2) via bolt threads, and the bottom of the gear box (1) is connected to the top of the connecting plate (3) via bolt threads; A mounting hole (25) adapted to the transmission shaft (12) is provided on the surface of the connecting plate (3), and a through slot (26) is provided in the middle of the connecting plate (3); The installation position of the tap (18) is selected according to the number and position of the machining holes of the workpiece. A plurality of taps (18) can be installed at the same time, and the transmission shaft (12) rotates while driving the taps (18) to tap the workpiece.