A rotary thread extraction system

Abstract

The present invention relates to a rotary thread extraction system, which comprises a thread extraction driver and a plurality of passive thread extractors. The thread extraction driver is engaged with the plurality of passive thread extractors at the same time, and the thread extraction driver drives the plurality of passive thread extractors to move at the same time, so that the passive thread extractors complete the action of rotary thread extraction.

Description

Technical Field

[0001] The present invention relates to a thread extraction system, in particular to a thread extraction system comprising a thread extraction driver and a plurality of passive thread extractors, wherein the thread extraction driver is engaged with a plurality of the passive thread extractors at the same time, and the thread extraction driver drives a plurality of the passive thread extractors to move at the same time, so that the passive thread extractors complete the action of rotating and extracting threads. Background Art

[0002] Injection molding, also known as injection molding, is a molding method that combines injection and molding. The advantages of the injection molding method are fast production speed, high efficiency, automated operation, a wide variety of colors, shapes from simple to complex, sizes from large to small, and precise product size. The product is easy to update and can be made into parts with complex shapes. Injection molding is suitable for mass production and molding processing fields such as products with complex shapes. Its working principle is that at a certain temperature, the completely molten plastic material is stirred by a screw, injected into the mold cavity with high pressure, and after cooling and solidification, a molded product is obtained. This method is suitable for mass production of parts with complex shapes and is one of the important processing methods.

[0003] In the process of using molds to produce products, if the product is provided with a threaded structure, the traditional mold opening method cannot be used for mold opening. The current thread extraction methods all use a motor to drive a gear set to drive the axis to rotate to complete the thread extraction action. However, this traditional thread extraction method has many disadvantages such as complex structure and low thread extraction efficiency, which is the main disadvantage of traditional technology. Summary of the invention

[0004] The technical solution adopted by the present invention is: a rotary thread extraction system, which includes a thread extraction driver and a plurality of passive thread extractors. The thread extraction driver is engaged with the plurality of passive thread extractors at the same time, and the thread extraction driver drives the plurality of passive thread extractors to move at the same time, so that the passive thread extractors complete the action of rotary thread extraction.

[0005] The thread extraction driver includes a driving gear shaft, a rotating worm and a driving gear, wherein the driving gear shaft includes a driving gear and a driving shaft, the driving gear is fixedly connected to the driving shaft, the driving gear and the driving shaft rotate along the same axis, and a convex key is arranged at the front end of the driving shaft.

[0006] The rotating worm includes a connecting shaft and a worm, the worm is fixedly connected to the front end of the connecting shaft, the connecting shaft and the worm rotate along the same axis, a keyway is provided at the rear end of the connecting shaft corresponding to the convex key, the convex key is engaged in the keyway, the driving gear shaft and the rotating worm rotate along the same axis, the driving gear sleeve is arranged on the worm, the driving gear includes a rotating gear and a rotating sleeve, wherein a plug hole is provided at the central position of the rotating gear, the rotating sleeve is inserted in the plug hole, an internal thread is provided in the rotating sleeve, the internal thread is meshed with the external thread of the worm, the driving gear shaft, the rotating worm and the driving gear rotate along the same axis.

[0007] The passive thread extractor includes a fixing seat and a threaded shaft, wherein the threaded shaft is rotatably inserted in the fixing seat, and the spatial position of the threaded shaft is fixed by the fixing seat. A thread forming part and a rotating tooth are provided on the threaded shaft, wherein the thread forming part is located at the front end of the threaded shaft, and the rotating tooth is meshed with the rotating gear of the driving gear, and the thread forming part and the rotating tooth rotate along the same axis.

[0008] The passive thread extractor further comprises a measuring part, which comprises a measuring gear and a measuring device, wherein the measuring gear is connected to the rear end of the threaded shaft.

[0009] The measuring device includes a fixed contact piece and a toggle contact piece, wherein the toggle contact piece includes a toggle piece, an upper contact piece and a lower contact piece, the upper contact piece and the lower contact piece are simultaneously connected to the rear end of the toggle piece, the front end of the toggle piece extends forward and corresponds to the measuring gear, the fixed contact piece is arranged between the upper contact piece and the lower contact piece, dynamic contacts are respectively arranged on the upper contact piece and the lower contact piece, a static contact is arranged on the fixed contact piece corresponding to the dynamic contact, and the static contact corresponds to the dynamic contact.

[0010] The thread extracting driver is meshed with three of the passive thread extractors simultaneously.

[0011] The driving gear is fixedly connected to the end of the driving shaft. The jack and the rotating sleeve are both provided with keyways, and the connecting key is clamped in the keyways of the jack and the rotating sleeve, and the rotating gear and the rotating sleeve are clamped together through the connecting key. The lateral width of the rotating tooth is greater than the lateral width of the rotating gear. The measuring gear is screwed on the threaded shaft.

[0012] The beneficial effects of the present invention are as follows: the various components of the thread extraction driver of the present invention, namely the driving gear shaft, the rotating worm and the driving gear, rotate along the same axis, and at the same time, the three are directly connected in transmission through keyways and connecting keys, and have the characteristics of simple transmission structure, high transmission efficiency and low failure rate. When the thread extraction driver of the present invention is working, the driving gear of the driving gear shaft is directly engaged with the power output shaft of the motor, and the driving gear shaft is driven by the motor to rotate and the driving gear is finally driven to rotate through the rotating worm. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention.

[0014] Figure 2 It is a structural schematic diagram of the thread extraction driver of the present invention.

[0015] Figure 3 It is a schematic diagram of the exploded structure of the thread extracting driver of the present invention.

[0016] Figure 4 It is a schematic diagram of the exploded structure of the passive thread extractor of the present invention.

[0017] Figure 5 It is a schematic diagram of the cross-sectional structure of the present invention.

[0018] Figure 6 It is a schematic diagram of the structure of the measuring part of the present invention.

[0019] Figure 7 It is a schematic diagram of the thread extracting driver of the present invention being engaged with three passive thread extractors at the same time. DETAILED DESCRIPTION

[0020] like Figures 1 to 6 As shown, a rotary thread extraction system includes a thread extraction driver 100 and a plurality of passive thread extractors 200 .

[0021] The thread extracting driver 100 is engaged with a plurality of the passive thread extractors 200 at the same time.

[0022] The thread extracting driver 100 drives a plurality of the passive thread extractors 200 to move at the same time, so that the passive thread extractors 200 complete the action of rotating and extracting the threads.

[0023] The screw extraction driver 100 includes a driving gear shaft 110 , a rotating worm 120 and a driving gear 130 , wherein the driving gear shaft 110 includes a driving gear 111 and a driving shaft 112 , and the driving gear 111 is fixedly connected to the driving shaft 112 .

[0024] During specific implementation, the driving gear 111 is fixedly connected to the end of the driving shaft 112 .

[0025] The driving gear 111 and the driving shaft 112 rotate along the same axis.

[0026] A key 113 is provided at the front end of the driving shaft 112 .

[0027] The rotating worm 120 includes a connecting shaft 121 and a worm 122. The worm 122 is fixedly connected to the front end of the connecting shaft 121. The connecting shaft 121 and the worm 122 rotate along the same axis. A keyway 123 is opened at the rear end of the connecting shaft 121 corresponding to the convex key 113, and the convex key 113 is clamped in the keyway 123.

[0028] The driving gear shaft 110 and the rotating worm 120 rotate along the same axis.

[0029] The driving gear 130 is sleeved on the worm 122 . The driving gear 130 includes a rotating gear 131 and a rotating sleeve 132 . An insertion hole 133 is formed at the center of the rotating gear 131 , and the rotating sleeve 132 is inserted into the insertion hole 133 .

[0030] In a specific implementation, key slots are provided on the insertion hole 133 and the rotating sleeve 132 , and the connecting key 134 is engaged in the key slots of the insertion hole 133 and the rotating sleeve 132 , and the rotating gear 131 and the rotating sleeve 132 are engaged together through the connecting key 134 .

[0031] The rotating sleeve 132 is provided with an internal thread, and the internal thread is meshed with the external thread of the worm 122 .

[0032] The driving gear shaft 110 , the rotating worm 120 , and the driving gear 130 rotate along the same axis.

[0033] The various components of the screw thread driver 100 of the present invention, the driving gear shaft 110, the rotating worm 120 and the driving gear 130, rotate along the same axis. At the same time, the three are directly connected in transmission through keyways and connecting keys, and have the characteristics of simple transmission structure, high transmission efficiency and low failure rate.

[0034] When the thread extraction driver 100 of the present invention is working, the driving gear 111 of the driving gear shaft 110 is directly engaged with the power output shaft of the motor, and the motor drives the driving gear shaft 110 to rotate and finally drives the driving gear 130 to rotate through the rotating worm 120.

[0035] The passive thread extractor 200 includes a fixing seat 210 and a threaded shaft 220 , wherein the threaded shaft 220 is rotatably inserted into the fixing seat 210 , and the spatial position of the threaded shaft 220 is fixed by the fixing seat 210 .

[0036] The threaded shaft 220 is provided with a threaded forming portion 230 and a rotating tooth 240 , wherein the threaded forming portion 230 is located at the front end of the threaded shaft 220 . When a product is injection molded using a mold, the product is molded at the position of the threaded forming portion 230 .

[0037] The rotating tooth 240 is meshed with the rotating gear 131 of the driving gear 130 , and the thread forming portion 230 and the rotating tooth 240 rotate along the same axis.

[0038] In a specific implementation, the lateral width of the rotating tooth 240 is greater than the lateral width of the rotating gear 131 .

[0039] The passive thread extractor 200 also includes a measuring part 300, which includes a measuring gear 310 and a measuring device 320, wherein the measuring gear 310 is connected to the rear end of the threaded shaft 220. During specific implementation, the measuring gear 310 is screwed onto the threaded shaft 220 to facilitate the assembly and disassembly of the measuring part 300.

[0040] The measuring device 320 includes a fixed contact piece 330 and a movable contact piece 340 , wherein the movable contact piece 340 includes a movable contact piece 341 , an upper contact piece 342 , and a lower contact piece 343 .

[0041] The upper contact piece 342 and the lower contact piece 343 are connected to the rear end of the paddle 341 . The front end of the paddle 341 extends forward and corresponds to the measuring gear 310 .

[0042] The fixed contact piece 330 is arranged between the upper contact piece 342 and the lower contact piece 343 . Dynamic contacts 351 are respectively arranged on the upper contact piece 342 and the lower contact piece 343 . Corresponding to the dynamic contacts 351 , static contacts 352 are arranged on the fixed contact piece 330 . The static contacts 352 correspond to the dynamic contacts 351 .

[0043] When working, the thread extraction driver 100 drives the passive thread extractor 200 to rotate and extract the thread. At this moment, the measuring gear 310 rotates synchronously with the threaded shaft 220. The measuring gear 310 moves the moving contact piece 340 to make the static contact 352 contact the dynamic contact 351 to measure the rotation angle of the measuring gear 310, and then calculates the length of the threaded shaft 220 being extracted, thereby controlling the overall system to shut down and performing a series of actions such as safety protection.

[0044] like Figure 7 As shown, in the specific implementation, the preferred embodiment is that the thread extractor driver 100 is engaged with the three passive thread extractors 200 at the same time, and the movement stability of the overall structure is improved by three-point positioning.

Claims

1. A rotary thread extraction system, characterized in that: The invention comprises a thread extracting driver and a plurality of passive thread extractors. The thread extracting driver is engaged with the plurality of passive thread extractors at the same time. The thread extracting driver drives the plurality of passive thread extractors to move at the same time, so that the passive thread extractors complete the action of rotating and extracting the thread. The screw extraction driver comprises a driving gear shaft, a rotating worm and a driving gear, wherein the driving gear shaft comprises a driving gear and a driving shaft, the driving gear is fixedly connected to the driving shaft, the driving gear and the driving shaft rotate along the same axis, and a convex key is arranged at the front end of the driving shaft. The rotating worm comprises a connecting shaft and a worm, the worm is fixedly connected to the front end of the connecting shaft, the connecting shaft and the worm rotate along the same axis, a keyway is provided at the rear end of the connecting shaft corresponding to the convex key, the convex key is engaged in the keyway, the driving gear shaft and the rotating worm rotate along the same axis, the driving gear sleeve is arranged on the worm, the driving gear comprises a rotating gear and a rotating sleeve, wherein a plug hole is provided at the central position of the rotating gear, the rotating sleeve is inserted in the plug hole, an internal thread is provided in the rotating sleeve, the internal thread is meshed with the external thread of the worm, the driving gear shaft, the rotating worm and the driving gear rotate along the same axis, The passive thread extractor comprises a fixing seat and a threaded shaft, wherein the threaded shaft is rotatably inserted in the fixing seat, and the spatial position of the threaded shaft is fixed by the fixing seat, and a threaded forming part and a rotating tooth are arranged on the threaded shaft, wherein the threaded forming part is located at the front end of the threaded shaft, and the rotating tooth is meshed with the rotating gear of the driving gear, and the threaded forming part and the rotating tooth rotate along the same axis. The passive thread extractor further comprises a measuring part, which comprises a measuring gear and a measuring device, wherein the measuring gear is connected to the rear end of the threaded shaft. The measuring device includes a fixed contact piece and a toggle contact piece, wherein the toggle contact piece includes a toggle piece, an upper contact piece and a lower contact piece, the upper contact piece and the lower contact piece are simultaneously connected to the rear end of the toggle piece, the front end of the toggle piece extends forward and corresponds to the measuring gear, the fixed contact piece is arranged between the upper contact piece and the lower contact piece, dynamic contacts are arranged on the upper contact piece and the lower contact piece respectively, and static contacts are arranged on the fixed contact piece corresponding to the dynamic contacts, and the static contacts correspond to the dynamic contacts, The jack and the rotating sleeve are both provided with key slots, and the connecting key is clamped in the key slots of the jack and the rotating sleeve, and the rotating gear and the rotating sleeve are clamped together through the connecting key.

2. A rotary thread extraction system according to claim 1, characterized in that: The thread extracting driver is meshed with three of the passive thread extractors simultaneously.

3. A rotary thread extraction system according to claim 1, characterized in that: The driving gear is fixedly connected to the end of the driving shaft.

4. A rotary thread extraction system according to claim 1, characterized in that: The lateral width of the rotating tooth is greater than the lateral width of the rotating gear.

5. A rotary thread extraction system according to claim 1, characterized in that: The measuring gear is screwed onto the threaded shaft.

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