阅读说明：本技术 一种螺口成型结构 (Screw forming structure ) 是由 连运增 王大洲 陈元红 于 2020-05-29 设计创作，主要内容包括：本发明公开了一种螺口成型结构,包括有螺口器主体以及设在螺口器主体上的变径套,所述的螺口器主体上活动设置有能对瓶口的内径和外径分别挤压成型的内螺牙轮和外螺牙轮,螺口器主体与变径套之间设有在瓶体驱动螺口器主体在变径套内做轴向运动时能缩短内螺牙轮和外螺牙轮两者圆心距d进而夹住瓶口的调节机构。本发明在瓶口放入到螺口器主体时能推动螺口器主体沿变径套做轴向运动,同时调节结构驱动内螺牙轮和外螺牙轮缩短两者的圆心距,对瓶口进行挤压,由于瓶体是固定不动的,而整个装置在运作时处于旋转状态,所以与瓶口接触的内螺牙轮和外螺牙轮会同步自转,对瓶口的内径和外径同时加工成型。(The invention discloses a screw forming structure, which comprises a screw body and a reducing sleeve arranged on the screw body, wherein an inner helical gear and an outer helical gear which can respectively extrude and form the inner diameter and the outer diameter of a bottle mouth are movably arranged on the screw body, and an adjusting mechanism which can shorten the distance d between the inner helical gear and the outer helical gear to clamp the bottle mouth when the bottle body drives the screw body to do axial movement in the reducing sleeve is arranged between the screw body and the reducing sleeve. When the bottle mouth is put into the screw mouth device body, the screw mouth device body can be pushed to do axial movement along the reducing sleeve, and meanwhile, the adjusting structure drives the inner helical gear and the outer helical gear to shorten the center distance of the two, so that the bottle mouth is extruded.)

1. The utility model provides a screw socket shaping structure, its characterized in that, including screw socket ware main part (1) and establish reducing cover (2) on screw socket ware main part (1), screw socket ware main part (1) go up the activity and be provided with can be to internal diameter and the external diameter of bottleneck respectively extrusion forming's interior helical gear wheel (3) and outer helical gear wheel (4), screw socket ware main part (1) and reducing cover (2) between be equipped with and shorten interior helical gear wheel (3) and outer helical gear wheel (4) both centre of circle distance d and then carry adjustment mechanism (5) of bottleneck when bottle (10) drive screw socket ware main part (1) do axial motion in reducing cover (2).

2. The screw forming structure according to claim 1, wherein the screw body (1) is provided with a first connecting rod (11) capable of driving the inner helical gear (3) to swing and a second connecting rod (12) capable of driving the outer helical gear (4) to swing relative to the inner helical gear (3), the inner helical cone (3) is rotationally connected to the first connecting rod (11), the outer helical cone (4) is rotationally connected to the second connecting rod (12), the adjusting mechanism (5) comprises an inclined plane (51) arranged on the inner wall of the reducing sleeve (2), the adjusting mechanism (5) also comprises a rolling device (52) which can move up and down along the inclined plane (51) and drive the first connecting rod (11) and the second connecting rod (12) to be close to each other during movement so as to shorten the distance d between the centers of the inner helical cone (3) and the outer helical cone (4); and a driving mechanism (6) which can increase the distance d between the centers of the inner helical cone (3) and the outer helical cone (4) is also arranged between the first connecting rod (11) and the second connecting rod (12).

3. The screw forming structure according to claim 2, wherein the rolling device (52) comprises a first roller (521) which can move on the inclined surface (51) and drive the first connecting rod (11) to approach the second connecting rod (12) when moving towards the inside of the reducing sleeve, and the rolling device (52) further comprises a second roller (522) which can move on the inclined surface (51) and drive the second connecting rod (12) to approach the first connecting rod (11) when moving towards the inside of the reducing sleeve.

4. The screw forming structure according to claim 3, wherein the first connecting rod (11) is connected with a first bearing block (13), and the first roller (521) is rotatably arranged on the first bearing block (13).

5. The screw forming structure according to claim 2, wherein the first connecting rod (11) is provided with a driving groove (111), the driving mechanism (6) comprises a knock pin (61) arranged in the driving groove (111), and a knock pin spring (62) capable of driving the knock pin (61) to separate the first connecting rod (11) from the second connecting rod (12) so as to increase the center distance d between the screw cone (3) and the outer screw cone (4) is arranged in the driving groove (111).

6. The screw forming structure according to claim 1, further comprising a transmission shaft (7) capable of driving the screw main body (1) and the reducing sleeve (2) to rotate together, wherein the transmission shaft (7) comprises an outer sleeve (71) with one end fixedly connected with the reducing sleeve (2), the transmission shaft (7) further comprises an inner sleeve (72) arranged in the outer sleeve (71) and with one end connected with the screw main body (1), and a pressure spring (73) capable of resetting the inner sleeve (72) when the inner sleeve (72) displaces relative to the outer sleeve (71) is arranged between the inner sleeve (72) and the outer sleeve (71).

7. The screw forming structure according to claim 1, wherein the screw body (1) is connected with a positioning device (8) capable of positioning the bottle body (10), the positioning device (8) comprises a fixed cover (81) fixedly connected with the screw body (1), and a positioning sleeve (82) capable of rotating relative to the fixed cover and positioning the bottle body (10) is arranged in the fixed cover (81).

8. The screw forming structure according to claim 2, wherein a transmission assembly (9) capable of enabling the inner helical gear (3) and the outer helical gear (4) to be linked is arranged between the inner helical gear (3) and the outer helical gear (4), the transmission assembly (9) comprises a first transmission gear (91) coaxially connected with the inner helical gear (3) and a second transmission gear (92) coaxially connected with the outer helical gear (4), a third transmission gear (93) capable of being meshed with the first transmission gear (91) is arranged at the connecting end of the first connecting rod (11) and the screw main body (1), and a fourth transmission gear (94) capable of being meshed with the second transmission gear (92) and the third transmission gear (93) is arranged at the connecting end of the second connecting rod (12) and the screw main body (1).

9. A screw forming structure according to claim 4, wherein the first roller (521) is connected to the first bearing block (13) by an eccentric shaft; the second roller (522) is connected to the second connecting rod (12) through an eccentric shaft.

[ technical field ] A method for producing a semiconductor device

The invention relates to a screw forming structure.

[ background of the invention ]

In order to connect the bottle stably with the bottle lid, adopt threaded connected mode usually, the device of current bottleneck screw thread processing generally needs many people to cooperate the completion, and the structure is more complicated, and machining efficiency is lower, and processingequipment can only be used for processing specific bottleneck moreover, if need process the bottleneck of different wall thicknesses, then need change a large amount of accessories, waste time and energy, can't realize automated processing.

The present invention has been made in view of the above problems.

[ summary of the invention ]

The invention aims to provide a screw forming structure aiming at the defects of the prior art, when a bottle mouth is placed into a screw device main body, an inner screw cone and an outer screw cone clamp the bottle mouth from the inner diameter and the outer diameter of the bottle mouth respectively, and when the whole device rotates and operates, the inner screw cone and the outer screw cone rotate synchronously and form the screw thread of the bottle mouth.

In order to solve the technical problems, the invention provides the following technical scheme:

the screw forming structure is characterized by comprising a screw device body and a reducing sleeve arranged on the screw device body, wherein an inner screw cone and an outer screw cone which can respectively extrude and form the inner diameter and the outer diameter of a bottle opening are movably arranged on the screw device body, and an adjusting mechanism which can shorten the distance d between the inner screw cone and the outer screw cone when the bottle body drives the screw device body to do axial movement in the reducing sleeve so as to clamp the bottle opening is arranged between the screw device body and the reducing sleeve.

The screw forming structure is characterized in that the screw device body is provided with a first connecting rod capable of driving the inner helical gear to swing and a second connecting rod capable of driving the outer helical gear to swing relative to the inner helical gear, the inner helical gear is rotatably connected to the first connecting rod, the outer helical gear is rotatably connected to the second connecting rod, the adjusting mechanism comprises an inclined plane arranged on the inner wall of the reducing sleeve, and the adjusting mechanism further comprises a rolling device capable of moving up and down along the inclined plane and driving the first connecting rod and the second connecting rod to approach each other during movement so as to shorten the distance d between the centers of circles of the inner helical gear and the outer helical gear; and a driving mechanism capable of increasing the distance d between the centers of the inner helical cone and the outer helical cone is also arranged between the first connecting rod and the second connecting rod.

The screw forming structure is characterized in that the rolling device comprises a first roller capable of driving the first connecting rod to approach the second connecting rod when moving towards the inside of the reducing sleeve on the inclined plane, and a second roller capable of driving the second connecting rod to approach the first connecting rod when moving towards the inside of the reducing sleeve on the inclined plane.

The screw forming structure is characterized in that the first connecting rod is connected with a first bearing block, and the first roller is rotatably arranged on the first bearing block.

The screw forming structure is characterized in that the first connecting rod is provided with a driving groove, the driving mechanism comprises an ejector pin arranged in the driving groove, and an ejector pin spring capable of driving the ejector pin to separate the first connecting rod from the second connecting rod so as to increase the center distance d between the screw cone and the outer screw cone is arranged in the driving groove.

The screw forming structure is characterized by further comprising a transmission shaft capable of driving the screw device main body and the reducing sleeve to rotate together, the transmission shaft comprises an outer sleeve with one end fixedly connected with the reducing sleeve, the transmission shaft further comprises an inner sleeve arranged in the outer sleeve and with one end connected with the screw device main body, and a pressure spring capable of enabling the inner sleeve to reset when the inner sleeve displaces relative to the outer sleeve is arranged between the inner sleeve and the outer sleeve.

The screw forming structure is characterized in that the screw main body is connected with a positioning device capable of positioning the bottle body, the positioning device comprises a fixed cover fixedly connected with the screw main body, and a positioning sleeve capable of rotating relative to the fixed cover and positioning the bottle body is arranged in the fixed cover.

The screw forming structure is characterized in that a transmission assembly capable of enabling the inner screw cone and the outer screw cone to be linked is arranged between the inner screw cone and the outer screw cone, the transmission assembly comprises a first transmission gear coaxially connected with the inner screw cone and a second transmission gear coaxially connected with the outer screw cone, a third transmission gear capable of being meshed with the first transmission gear is arranged at the connecting end of the first connecting rod and the screw device body, and a fourth transmission gear capable of being meshed with the second transmission gear and the third transmission gear simultaneously is arranged at the connecting end of the second connecting rod and the screw device body.

The screw forming structure is characterized in that the first roller is connected to the first bearing block through an eccentric shaft; the second roller is connected to the second connecting rod through an eccentric shaft.

Compared with the prior art, the screw forming structure has the following beneficial effects:

1. when the bottle mouth is put into the screw mouth device body, the screw mouth device body can be pushed to do axial movement along the reducing sleeve, and meanwhile, the adjusting structure drives the inner helical gear and the outer helical gear to shorten the center distance of the two, so that the bottle mouth is extruded.

2. According to the invention, by utilizing the lever principle, one end of the first connecting rod is rotatably connected with the screw device main body, one end of the second connecting rod is rotatably connected with the screw device main body, the inner helical gear is rotatably connected with the swinging end of the first connecting rod, the outer helical gear is rotatably connected with the swinging end of the second connecting rod, and the inner helical gear and the outer helical gear are simultaneously attached to a bottle mouth by driving the swinging ends of the first connecting rod and the second connecting rod to be mutually attached, so that the processing effect is ensured.

3. The rollers are connected through the eccentric shafts, and the distance between the rollers and the reducing sleeve can be adjusted by rotating the eccentric shafts, so that the bottle mouth reducing device is suitable for bottle mouths with various thicknesses.

[ description of the drawings ]

The following detailed description of embodiments of the invention is provided in conjunction with the appended drawings, in which:

FIG. 1 is a perspective view of the present invention;

FIG. 2 is an exploded view of the body and the reducing sleeve of the screw of the present invention;

FIG. 3 is an internal structural view of the screw machine body of the present invention;

FIG. 4 is a schematic view of the internal structure of the first and second connecting rods when the first and second rollers press the first and second connecting rods;

FIG. 5 is a schematic view of the internal structure of the knock pin of the present invention separating the swing ends of the first and second links;

FIG. 6 is a cross-sectional view of the present invention in an initial state;

FIG. 7 is a cross-sectional view of the present invention with the mouth of the bottle inserted into the body of the screw;

FIG. 8 is a schematic view of the internal and external thread wheels forming the bottle mouth according to the present invention.

[ detailed description ] embodiments

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

As shown in fig. 1 to 8, a screw forming structure comprises a screw body 1 and a reducing sleeve 2 arranged on the screw body 1, wherein an inner helical gear 3 and an outer helical gear 4 which can respectively extrude and form the inner diameter and the outer diameter of a bottle mouth are movably arranged on the screw body 1, and an adjusting mechanism 5 which can shorten the distance d between the inner helical gear 3 and the outer helical gear 4 when a bottle body 10 drives the screw body 1 to do axial movement in the reducing sleeve 2 so as to clamp the bottle mouth is arranged between the screw body 1 and the reducing sleeve 2. When the bottle mouth is put into the screw mouth device body, the screw mouth device body can be pushed to do axial movement along the reducing sleeve, and meanwhile, the adjusting structure drives the inner helical gear and the outer helical gear to shorten the center distance of the two, so that the bottle mouth is extruded.

As shown in fig. 1 to 8, in this embodiment, the screw device body 1 is provided with a first connecting rod 11 capable of driving the inner helical gear 3 to swing and a second connecting rod 12 capable of driving the outer helical gear 4 to swing relative to the inner helical gear 3, the inner helical gear 3 is rotatably connected to the first connecting rod 11, the outer helical gear 4 is rotatably connected to the second connecting rod 12, the adjusting mechanism 5 includes an inclined surface 51 disposed on an inner wall of the reducing sleeve 2, and the adjusting mechanism 5 further includes a rolling device 52 capable of moving up and down along the inclined surface 51 and driving the first connecting rod 11 and the second connecting rod 12 to approach each other during movement so as to shorten a distance d between centers of the inner helical gear 3 and the outer helical gear 4; moving from the lower part of the inclined plane 51 to the higher part of the inclined plane, the inner diameter of the reducing sleeve 2 is gradually reduced, the rolling device 52 pushes the inner helical gear 3 and the outer helical gear 4 to squeeze the bottle mouth, and a driving mechanism 6 capable of increasing the distance d between the centers of the inner helical gear 3 and the outer helical gear 4 is further arranged between the first connecting rod 11 and the second connecting rod 12. According to the invention, by utilizing the lever principle, one end of the first connecting rod is rotatably connected with the screw device main body, one end of the second connecting rod is rotatably connected with the screw device main body, the inner helical gear is rotatably connected with the swinging end of the first connecting rod, the outer helical gear is rotatably connected with the swinging end of the second connecting rod, and the inner helical gear and the outer helical gear are simultaneously attached to the bottle mouth by driving the swinging ends of the first connecting rod and the second connecting rod to be mutually attached, and the bottle mouth is rolled during rotation, so that the processing effect is ensured.

As shown in fig. 1 to 8, in this embodiment, the rolling device 52 includes a first roller 521 capable of driving the first connecting rod 11 to approach the second connecting rod 12 when moving towards the inside of the reducing sleeve on the inclined plane 51, and the rolling device 52 further includes a second roller 522 capable of driving the second connecting rod 12 to approach the first connecting rod 11 when moving towards the inside of the reducing sleeve on the inclined plane 51. As shown in fig. 7, when the mouth of a bottle abuts against the body 1 of the mouth screw, the first roller 521 and the second roller 522 move leftwards along the inclined plane 51 of the reducing sleeve 2, and as the inner diameter of the reducing sleeve 2 gradually decreases, the first roller 521 will drive the swing end of the first connecting rod 11 to approach the second connecting rod 12, and the second roller 522 will drive the swing end of the second connecting rod 12 to approach the first connecting rod 11, so that the inner cone 3 and the outer cone 4 clamp the mouth of the bottle from the inside and the outside of the mouth respectively.

As shown in fig. 1 to 8, in the present embodiment, the first connecting rod 11 is connected to a first bearing block 13, and the first roller 521 is rotatably disposed on the first bearing block 13. Because the first connecting rod 11 and the second connecting rod 12 positioned on one side of the first connecting rod 11 are arranged on the screw machine main body 1, the first bearing block 13 is arranged on the other side of the first connecting rod 11 so as to keep the balance of the screw machine main body 1, and the center of the whole device cannot deviate in the rotating process.

As shown in fig. 1 to 8, in the present embodiment, the first link 11 is provided with a driving groove 111, the driving mechanism 6 includes an ejector pin 61 disposed in the driving groove 111, and an ejector pin spring 62 capable of driving the ejector pin 61 to separate the first link 11 from the second link 12 and further increase a center distance d between the spiral cone 3 and the outer spiral cone 4 is disposed in the driving groove 111. After the first roller 521 and the second roller 522 move rightwards along the inclined plane, because the inner diameter of the reducing sleeve is gradually increased, the knock pin spring 62 can push the knock pin 61 to drive the second connecting rod 12 to be separated from the first connecting rod, and further the distance between the centers of the inner helical cone 3 and the outer helical cone 4 is increased, at this time, the bottle body can be taken out, and the bottle mouth cannot be damaged.

As shown in fig. 1 to 8, in this embodiment, the screw driver further includes a transmission shaft 7 capable of driving the screw driver main body 1 and the reducing sleeve 2 to rotate together, the transmission shaft 7 includes an outer sleeve 71 having one end fixedly connected to the reducing sleeve 2, the transmission shaft 7 further includes an inner sleeve 72 disposed in the outer sleeve 71 and having one end connected to the screw driver main body 1, and a pressure spring 73 is disposed between the inner sleeve 72 and the outer sleeve 71 and capable of resetting the inner sleeve 72 when the inner sleeve 72 displaces relative to the outer sleeve 71.

As shown in fig. 1 to 8, in the present embodiment, the positioning device 8 capable of positioning the bottle 10 is connected to the screw body 1, the positioning device 8 includes a fixing cover 81 fixedly connected to the screw body 1, and a positioning sleeve 82 capable of rotating relative to the fixing cover 81 and positioning the bottle 10 is disposed in the fixing cover 81. Guarantee to be in the in-process to bottleneck processing, whole bottle can not take place the skew, improves the accuracy of processing.

As shown in fig. 1 to 8, in this embodiment, a transmission assembly 9 capable of linking the inner helical gear 3 and the outer helical gear 4 is disposed between the inner helical gear 3 and the outer helical gear 4, the transmission assembly 9 includes a first transmission gear 91 coaxially connected to the inner helical gear 3 and a second transmission gear 92 coaxially connected to the outer helical gear 4, a third transmission gear 93 capable of meshing with the first transmission gear 91 is disposed at a connection end of the first connection rod 11 and the screw body 1, and a fourth transmission gear 94 capable of meshing with the second transmission gear 92 and the third transmission gear 93 is disposed at a connection end of the second connection rod 12 and the screw body 1. In the processing process, the bottle body is fixed, the external driving device drives the whole device to rotate through the driving transmission shaft 7, the internal helical cone 3 and the external helical cone 4 are attached to the bottle mouth, the internal helical cone 3 and the external helical cone 4 rotate under the condition that the bottle body does not rotate, and the internal helical cone 3 and the external helical cone 4 are provided with the transmission assembly which can enable the internal helical cone 3 and the external helical cone to be linked, so that the internal helical cone and the external helical cone can synchronously rotate, and the processing accuracy is improved.

As shown in fig. 1 to 8, in the present embodiment, the first roller 521 is rotatably disposed on the first bearing block 13 through an eccentric shaft; the second roller 522 is rotatably disposed on the second connecting rod 12 through an eccentric shaft. By rotating the eccentric shaft, the center distance between the first roller and the second roller can be changed, and the bottle mouth with different wall thicknesses can be machined.

When a bottle mouth is machined, as shown in fig. 6, the middle part of a transmission shaft 7 is rotatably arranged on a large disc of a diameter reducing machine, an inner sleeve 71 of the transmission shaft 7 is connected with a screw mouth device main body 1, an outer sleeve 72 is connected with a reducing sleeve, a bottle body 10 is arranged on a positioning sleeve 82, as shown in fig. 7, the large disc of the diameter reducing machine drives the whole device to move rightwards, as a bottle mouth is abutted against the screw mouth device main body 1, the screw mouth device main body 1 moves leftwards relative to the reducing sleeve 2, a rolling device 52 rolls in the reducing sleeve 2, as the inclined plane 51 is arranged in the reducing sleeve 2, the inner diameter of the reducing sleeve 2 is gradually reduced from outside to inside, a first roller 521 drives the swing end of a first connecting rod 11 to approach to a second connecting rod 12, and a second roller 522 also drives the swing end of the second connecting rod 12 to approach to the first connecting rod 11, so that an inner helical cone 3 and an outer cone 4 clamp the bottle mouth from inside and, at the moment, one end of the transmission shaft 7 drives the rotation shaft 7 to rotate through an external driving device, the screw mouth device main body 1 and the reducing sleeve 2 can simultaneously rotate, and because the bottle body 10 is fixed, the inner helical gear 3 and the outer helical gear 4 clamped with the bottle mouth can synchronously rotate through the transmission assembly, so that the inner diameter and the outer diameter of the bottle mouth are rolled and formed, and the bottle body with a threaded mouth is obtained; after the processing is finished, the large disc of the diameter reducing machine drives the whole device to move leftwards, because a pressure spring 73 which can reset the inner sleeve 71 and the outer sleeve 72 is arranged between the inner sleeve 71 and the outer sleeve 72, the inner sleeve 71 can move rightwards relative to the outer sleeve 72 through the tension of the pressure spring 73 and drives the screw mouth device main body 1 to move rightwards relative to the diameter reducing sleeve 2, because a driving mechanism 6 which can increase the distance d between the centers of the inner helical cone and the outer helical cone is arranged between the first connecting rod 11 and the second connecting rod 12, after the inner helical cone 3 and the outer helical cone 4 are separated, the processed bottle mouth can be taken out from the screw mouth device main body.