CN214417571U - Thread device and automatic thread system - Google Patents
Thread device and automatic thread system Download PDFInfo
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- CN214417571U CN214417571U CN202022617324.3U CN202022617324U CN214417571U CN 214417571 U CN214417571 U CN 214417571U CN 202022617324 U CN202022617324 U CN 202022617324U CN 214417571 U CN214417571 U CN 214417571U
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- 230000007246 mechanism Effects 0.000 claims description 48
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- 239000002184 metal Substances 0.000 abstract description 7
- 230000009471 action Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 3
- 238000003754 machining Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- 238000003825 pressing Methods 0.000 description 2
- 208000010641 Tooth disease Diseases 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The application discloses thread device and automatic thread system through fixed crescent outer dental model, sets up the thread centre form that a plurality of was circumference revolution motion along fixed crescent outer dental model simultaneously, and the rotation is done on the basis of interior mould axle simultaneously to the thread centre form under the effect of fixed outer ring gear when the revolution of the outer dental model of fixed crescent along the thread centre form. The whole set of automatic screw tooth system enables the tank to be fed, the internal mold is in place, the forming and the internal mold are withdrawn, the tank outlet and other actions are carried out simultaneously, the whole action period is greatly shortened, the yield is improved, and a series of technical problems that the processing precision of the tank body is low, the teeth are disordered, the tank body slips, the tank body cracks and the like in the forming process when the tank opening of the metal tank body moving at a high speed is processed are solved.
Description
Technical Field
The application relates to the technical field of automation, especially, relate to a screw thread device and automatic screw thread system.
Background
In the process of machining the metal screw can, one of the core procedures is the process of machining the screw threads of the can opening, and the metal screw can has high requirement on the dimensional precision and large machining difficulty. The existing single-station opposite-rolling type thread mechanism is usually adopted, and is low in speed and low in machining precision. When the can mouth of the metal can body moving at high speed is machined, the machining precision of the can body in the forming process is low, and the can body is easy to move up and down to cause a series of technical problems of tooth disorder, tooth slipping (slipping), cracking and the like.
Disclosure of Invention
The application provides a screw tooth device and automatic screw tooth system has solved and has add man-hour to the metal can body jar mouth of high-speed motion, and the jar body is low at forming process machining precision, takes place about the drunkenness easily and the indiscriminate tooth that leads to, a series of technical problems such as skid and fracture.
In view of this, the first aspect of the present application provides a screw device, which includes an inner screw die and an outer screw die;
the screw thread internal mold comprises an internal mold matched with the tank body, a rotary floating pressure head and a jacking rotary mechanism;
a first thread is arranged on the inner die corresponding to the position of the tank body to be threaded;
the bottom of the inner die is provided with a planetary gear which is fixedly connected with the jacking rotary mechanism along the axial direction through an inner die shaft of the inner die;
the jacking rotating mechanism is arranged below the inner die and drives the inner die to lift and rotate;
the floating pressure head is arranged above the inner die and matched with the inner die to limit the tank body from moving along the axial direction;
the screw outer die comprises a fixed crescent outer die and a fixed outer tooth ring, wherein the fixed crescent outer die is fixedly arranged at the position, to be screwed, of the tank body and has the same height as the position of the screw to be screwed;
a second thread matched with the first thread is formed on the fixed crescent external tooth mold;
the planetary gear is meshed with the fixed outer gear ring;
the screw internal mold revolves along the fixed crescent external tooth mold under the driving of the jacking rotating mechanism.
Optionally, the jacking rotation mechanism comprises a lifting ejector rod, an ejector rod head, an ejector rod seat, an ejector rod cam and a power gear for driving the ejector rod seat to rotate;
the top of lift ejector pin with the bottom fixed connection of interior mould axle, the bottom of lift ejector pin will through the bearing the ejector pin head is restricted in the cam groove of ejector pin cam, power gear drive the ejector pin seat is based on the circular rotary motion is done to the ejector pin cam, the lift ejector pin is followed the oscilaltion motion is done to the cam groove of ejector pin cam.
Optionally, the floating pressure head comprises a pressure head, a pressure wheel shaft, a fixed seat, a pressure head sliding block and a lifting cam;
the fixed seat is connected with the pressure head through the pressure wheel shaft and the spring;
the fixed seat is movably connected with the cam groove of the lifting cam through the pressure head sliding block;
the pressure head does up-and-down lifting motion along the cam groove of the lifting cam, and the lifting direction of the pressure head is opposite to that of the lifting ejector rod;
the floating pressure head and the jacking rotating mechanism rotate synchronously;
the floating pressure head is matched with the inner die to limit the axial movement of the tank body.
Optionally, the inner mold comprises an inner mold shaft therein;
the inner die shaft is an eccentric shaft;
the inner die shaft is connected with the floating pressure head in a matched mode.
The second aspect of the application provides an automatic screw thread system, which comprises any one of the screw thread device, the can inlet conveying mechanism, the can inlet star wheel disc, the main wheel disc, the can outlet star wheel disc and the can outlet conveying mechanism provided by the first aspect of the application;
the tank inlet conveying mechanism, the tank inlet star wheel disc, the main wheel disc, the tank outlet star wheel disc and the tank outlet conveying mechanism are sequentially connected;
the thread inner die of the thread device is arranged on the vacant station of the main wheel disc, and the thread outer die of the thread device is arranged on the outer side of the main wheel disc.
Optionally, 8 stations are arranged on the main wheel disc, and each station is correspondingly provided with one screw internal mold.
Optionally, the screw internal molds at different stations form a whole with the ejector rod seat through the lifting ejector rod.
Optionally, the power transmission device further comprises a power input mechanism, and the power input mechanism is connected with the power gear.
Optionally, a fixed outer gear ring meshed with the planetary gear at the bottom of the inner die of the screw device is arranged on the outer side of the main wheel disc.
According to the technical scheme, the embodiment of the application has the following advantages:
the application provides a screw device, which comprises a screw inner die and a screw outer die; the screw thread internal mold comprises an internal mold matched with the tank body, a floating pressure head and a jacking rotating mechanism; a first thread is arranged on the inner die corresponding to the position of the tank body to be threaded; the bottom of the inner die is provided with a planetary gear which is fixedly connected with the jacking rotary mechanism along the axial direction through an inner die shaft of the inner die; the jacking rotating mechanism is arranged below the inner die and drives the inner die to lift and rotate; the floating pressure head is arranged above the inner die and matched with the inner die to limit the tank body from moving along the axial direction; the screw outer die comprises a fixed crescent outer die and a fixed outer tooth ring, wherein the fixed crescent outer die is fixedly arranged at the position, to be screwed, of the tank body and has the same height as the position of the screw to be screwed; a second thread matched with the first thread is formed on the fixed crescent external tooth mold; the planetary gear is meshed with the fixed outer gear ring; the screw internal mold revolves along the fixed crescent external tooth mold under the driving of the jacking rotating mechanism.
The utility model provides a thread device, the interior mould passes through jacking rotary mechanism drive rotation and from down up insert the jar body in, the pressure head that floats simultaneously from last down pressing, push down the jar body, the cooperation restriction jar body takes place the drunkenness along the axial in high-speed rotatory in-process that takes shape, and the cooperation thread external mold is with jar body jar mouth roll forming, it adds man-hour to have solved the metallic tank body jar mouth of high-speed motion, the jar body is low at the shaping in-process machining precision, the indiscriminate tooth that results in of drunkenness about taking place easily, a series of technical problems such as skid and fracture.
Drawings
FIG. 1 is a schematic view of a thread device of the present application;
fig. 2 is a schematic structural diagram of the internal thread mold of the present application;
FIG. 3 is a schematic structural diagram of a thread outer mold in the present application;
FIG. 4 is a schematic diagram of the floating ram configuration of the present application;
fig. 5 is a schematic diagram of an automatic thread system according to the present application.
Detailed Description
In order to make the technical solutions of the present application better understood, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The application designs a screw tooth device and automatic screw tooth system, has solved and has add man-hour to the metal can body jar mouth of high-speed motion, and the jar body is low at forming process machining precision, takes place about the drunkenness easily and a series of technical problems such as indiscriminate tooth that lead to, skid and fracture.
For easy understanding, please refer to fig. 1 to 4, fig. 1 is a schematic structural diagram of a thread device in an embodiment of the present application, specifically:
the screw thread internal mold 1 comprises an internal mold 11 matched with the tank body, a floating pressure head 12 and a jacking rotating mechanism 13;
the inner die 11 is provided with a first thread 14 corresponding to the position of the tank body to be threaded;
the bottom of the inner die 11 is provided with a planetary gear 15, and the planetary gear 15 is fixedly connected with the jacking rotary mechanism 13 along the axial direction through an inner die shaft 111 of the inner die 11;
the jacking rotating mechanism 13 is arranged below the inner die 11 and drives the inner die 11 to lift and rotate;
the floating pressure head 12 is arranged above the inner die 11 and is matched with the inner die 11 to limit the axial movement of the tank body;
the screw thread outer die 2 comprises a fixed crescent outer tooth die 21 and a fixed outer tooth ring 22 which are fixedly arranged at the same height with the position of the tank body to be screwed;
a second thread 23 matched with the first thread 14 is arranged on the fixed crescent external tooth mould 21;
the planet gears 15 mesh with the fixed outer ring gear 22;
the screw internal mold 1 revolves along the fixed crescent external tooth mold 21 under the driving of the jacking rotary mechanism 13.
It should be noted that the inner mold 11 of the internal mold 1 is inserted into the tank body from the bottom of the tank body through the jacking rotating mechanism 13, and the floating pressure head 12 presses the tank body from top to bottom, cooperates with the inner mold 11 to limit the axial movement of the tank body in the forming process, and the tank body is rolled in cooperation with the second thread 23 of the internal mold 1 and the external mold 2 under the rotation of the jacking rotating mechanism 13, and is rolled at the position of the first thread 14.
Further, the jacking rotation mechanism 13 includes a lifting jack 131, a jack head 132, a jacking seat 134, a jack cam 135 and a power gear 133 for driving the jacking seat 134 to rotate;
the top of the lifting top rod 131 is fixedly connected with the bottom of the inner mold shaft 111, the bottom of the lifting top rod 131 limits the top rod head 132 in the cam groove of the top rod cam 135 through a bearing, the power gear 133 drives the top rod seat 134 to do circular rotation motion based on the top rod cam 135, and the lifting top rod 131 does up-and-down lifting motion along the cam groove of the top rod cam 135.
It should be noted that, the bottom of the lifting top bar 131 is provided with a top bar head 132, the top bar head 132 is limited in the cam groove of the top bar cam 135, when the top bar cam 135 is fixed, the power gear 133 drives the top bar base 134 to rotate along the main fixing shaft 136 under the driving of the motor and the transmission mechanism, so as to realize revolution, at the same time, the lifting top bar 131 and the top bar head 132 rotate (revolve) along the top bar cam 135 through the top bar base 134, the lifting top bar 131 ascends and descends according to the position set by the cam groove of the top bar cam 135, and at the same time, the inner mold shaft 111 is controlled to ascend and descend along the axial direction.
Further, the floating ram 12 includes a ram 122, a ram shaft 123, a fixing seat 124, a ram sliding block 121 and a lifting cam 125;
the fixed seat 124 is connected with the pressure head 122 through a pressure wheel shaft 123 and a spring;
the fixed seat 124 is movably connected with a cam groove of the lifting cam 125 through a pressure head sliding block 121;
the ram 122 moves up and down along the cam groove of the lifting cam 125, and the lifting direction of the ram 122 is opposite to that of the lifting top rod 131;
the floating pressure head 12 and the jacking rotary mechanism 13 synchronously rotate;
the floating pressure head 12 is matched with the inner die 11 to limit the axial movement of the tank body;
it should be noted that, while the lifting mandril 131 rises to drive the inner mold 11 to enter the can body, the ram 122 of the floating ram 12 will press the can body by descending under the action of the lifting cam 125 of the floating ram 12 along with the rising of the lifting mandril 131, and meanwhile, the can will descend along with the height of the can body becoming low during the forming process of the screw teeth of the can body, and the can body will be pressed all the time during the forming process of the screw teeth, so as to effectively solve the problem of the messy teeth caused by the axial movement of the can body during the roll forming process. And along with the shaping, the internal mold withdraws from the lower side in the jar, and unsteady pressure head 12 leaves the jar body that has been shaped from the top along the cam groove orbit of lift cam 125 at pressure head 122, makes the jar body conveniently steady leave the main star wheel and get into a jar star wheel dish, and takes out the spiral shell tooth machine by a jar star wheel dish.
Further, the inner mold 11 includes an inner mold shaft 111 therein;
the inner mold shaft 111 is an eccentric shaft;
the inner die shaft 111 is in mating connection with the rotary floating ram 12.
It should be noted that the depth of the screw thread of the tank body can be realized by adjusting the inner die shaft 111 to control the gap between the screw thread inner die 1 and the screw thread outer die 2, so that the depth of the screw thread of the tank body can be adjusted, the inner die shaft 111 is connected with the pressure wheel shaft 123 in a matching manner, the structural rigidity during the inner die forming is enhanced, and the tooth depth fluctuation during the screw thread forming caused by insufficient structural rigidity is avoided.
The utility model provides a thread device is revolution motion through the planetary gear integrative with the centre form under jacking rotary mechanism's drive transmission simultaneously, and under the effect of fixed outer ring gear, the centre form is rotation motion along the external mold, has solved the jar body jar mouth during the screw thread in-process when high-speed motion, technical problem such as smooth tooth.
The utility model provides a thread device, the interior mould passes through jacking rotary mechanism drive rotation and from down up insert the jar body in, the pressure head that floats simultaneously from last down pressing, push down the jar body, the cooperation restriction jar body takes place the drunkenness along the axial in high-speed rotatory in-process that takes shape, and the cooperation thread external mold is with jar body jar mouth roll forming, it adds man-hour to have solved the metallic tank body jar mouth of high-speed motion, the jar body is low at the shaping in-process machining precision, the indiscriminate tooth that results in of drunkenness about taking place easily, a series of technical problems such as skid and fracture.
Referring to fig. 5, an automatic screw thread system is further provided in the present embodiment, and the automatic screw thread system includes any one of the screw thread devices 01, the can feeding conveying mechanism 02, the can feeding star wheel disc 03, the main wheel disc 04, the can discharging star wheel disc 05, and the can discharging conveying mechanism 06 provided in the first embodiment of the present application;
the tank inlet conveying mechanism 02, the tank inlet star wheel disc 03, the main wheel disc 04, the tank outlet star wheel disc 05 and the tank outlet conveying mechanism 06 are connected in sequence;
the screw inner die 1 of the screw device 01 is arranged on the vacant station of the main wheel disc 04, and the screw outer die 2 of the screw device 01 is arranged on the outer side of the main wheel disc 04.
As shown in fig. 5, the can feeding conveying mechanism 02 conveys the can bodies to the station of the can feeding star wheel disc 03 through the cooperation of the conveyor and the can feeding screw, and the can feeding star wheel disc 03 cooperates with the main wheel disc 04 to convey the can bodies. The tank body entering the screw thread station of the main wheel disc 04 is inserted by the screw thread inner mold 1 of the screw thread device 01 on the screw thread station, and simultaneously the floating pressure head 12 descends to press the tank body and is matched with the screw thread outer mold 2 on the outer side of the main wheel disc 04 to roll and form threads. After the screw thread internal mold 1 is withdrawn from the tank body and the floating pressure head 12 is lifted to release the tank body, the floating pressure head is conveyed to a station of the can discharging star wheel disc 05 by the main wheel disc 04 and is transmitted to the next process device through the can discharging conveying mechanism 06 or is stored.
Furthermore, 8 stations are arranged on the main wheel disc 04, and each station is correspondingly provided with a thread inner die 1.
It should be noted that 8 thread stations are arranged on the main wheel disk 04, and threads can be simultaneously performed on a plurality of can bodies.
Further, the screw internal molds 1 at different stations are integrated with the ejector rod seat 134 through the lifting ejector rod 131.
It should be noted that, in order to save the operation process, the screw internal molds 1 at different stations are connected with the ejector rod seat 134 through the lifting ejector rods 131 to form a rotatable whole, and the lifting ejector rods 131 are distributed on the positions of the cam grooves at different heights of the lifting cam, so that when the main wheel disc 04 enters and exits the can, the screw internal molds 1 corresponding to the can entering station and the can exiting station are located in the lowest point region.
Further, a power input mechanism is included, and the power input mechanism is connected with the power gear 133.
Further, a fixed outer ring gear 22 which meshes with the gear 15 of the inner die bottom of the screw device 01 is provided on the outer side of the primary disk 04.
It should be noted that the power gear 133 is matched with the fixed outer ring gear 22, and drives the screw inner mold 1 to rotate along the inner mold shaft 11 in the process of revolving the jacking rotary mechanism 13 along the main fixed shaft 136, and is matched with the fixed crescent outer mold 21 to realize roll forming, so as to effectively solve the phenomena of tooth slippage and the like in the high-speed forming process.
The automatic thread system that this application embodiment provided sets up the thread centre form that a plurality of was circular revolution motion along fixed crescent outer die simultaneously through fixed crescent outer die, and the rotation is done simultaneously on the basis of the inner mould axle to the thread centre form under the effect of fixed outer ring gear 22 when the revolution is gone round along fixed crescent outer die. The whole set of automatic screw tooth system enables the tank to be fed, the internal mold is in place, the forming and the internal mold are withdrawn, the tank outlet and other actions are carried out simultaneously, the whole action period is greatly shortened, the yield is improved, and a series of technical problems that the processing precision of the tank body is low, the teeth are disordered, the tank body slips, the tank body cracks and the like in the forming process when the tank opening of the metal tank body moving at a high speed is processed are solved.
The above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions in the embodiments of the present application.
Claims (9)
1. A screw device is characterized by comprising a screw inner die and a screw outer die;
the screw thread internal mold comprises an internal mold matched with the tank body, a floating pressure head and a jacking rotating mechanism;
a first thread is arranged on the inner die corresponding to the position of the tank body to be threaded;
the bottom of the inner die is provided with a planetary gear which is fixedly connected with the jacking rotary mechanism along the axial direction through an inner die shaft of the inner die;
the jacking rotating mechanism is arranged below the inner die and drives the inner die to lift and rotate;
the floating pressure head is arranged above the inner die and matched with the inner die to limit the tank body from moving along the axial direction;
the screw outer die comprises a fixed crescent outer die and a fixed outer tooth ring, wherein the fixed crescent outer die is fixedly arranged at the position, to be screwed, of the tank body and has the same height as the position of the screw to be screwed;
a second thread matched with the first thread is formed on the fixed crescent external tooth mold;
the planetary gear is meshed with the fixed outer gear ring;
the screw internal mold revolves along the fixed crescent external tooth mold under the driving of the jacking rotating mechanism.
2. The thread device according to claim 1, wherein the jacking rotation mechanism comprises a lifting ejector rod, an ejector rod head, an ejector rod seat, an ejector rod cam and a power gear for driving the ejector rod seat to rotate;
the top of lift ejector pin with the bottom fixed connection of interior mould axle, the bottom of lift ejector pin will through the bearing the ejector pin head is restricted in the cam groove of ejector pin cam, power gear drive the ejector pin seat is based on the circular rotary motion is done to the ejector pin cam, the lift ejector pin is followed the oscilaltion motion is done to the cam groove of ejector pin cam.
3. The thread device according to claim 2, wherein the floating press head comprises a press head, a press wheel shaft, a fixed seat, a press head sliding block and a lifting cam;
the fixed seat is connected with the pressure head through the pressure wheel shaft and the spring;
the fixed seat is movably connected with the cam groove of the lifting cam through the pressure head sliding block;
the pressure head does up-and-down lifting motion along the cam groove of the lifting cam, and the lifting direction of the pressure head is opposite to that of the lifting ejector rod;
the floating pressure head and the jacking rotating mechanism rotate synchronously;
the floating pressure head is matched with the inner die to limit the axial movement of the tank body.
4. The thread apparatus of claim 1, wherein said inner mold includes an inner mold shaft therein;
the inner die shaft is an eccentric shaft;
the inner die shaft is connected with the floating pressure head in a matched mode.
5. An automatic screw thread system, comprising the screw thread device, a can feeding conveyor, a can feeding star wheel disc, a main wheel disc, a can discharging star wheel disc and a can discharging conveyor according to any one of claims 1 to 4;
the tank inlet conveying mechanism, the tank inlet star wheel disc, the main wheel disc, the tank outlet star wheel disc and the tank outlet conveying mechanism are sequentially connected;
the thread inner die of the thread device is arranged on the vacant station of the main wheel disc, and the thread outer die of the thread device is arranged on the outer side of the main wheel disc.
6. The automatic thread system of claim 5, wherein said main wheel disk has 8 stations, and each of said stations has one of said thread inserts.
7. The automatic thread system of claim 6, wherein said thread internal molds at different stations are integrated with a top rod base by a lifting top rod.
8. The automatic thread system of claim 7, further comprising a power input mechanism coupled to a power gear of said jacking rotation mechanism.
9. The automatic thread system according to claim 5, wherein the outer side of said main wheel disk is provided with a fixed outer ring gear which meshes with planetary gears of said inner die bottom of said thread means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022617324.3U CN214417571U (en) | 2020-11-12 | 2020-11-12 | Thread device and automatic thread system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022617324.3U CN214417571U (en) | 2020-11-12 | 2020-11-12 | Thread device and automatic thread system |
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| Publication Number | Publication Date |
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| CN214417571U true CN214417571U (en) | 2021-10-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022617324.3U Active CN214417571U (en) | 2020-11-12 | 2020-11-12 | Thread device and automatic thread system |
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| CN (1) | CN214417571U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN120421432A (en) * | 2025-07-07 | 2025-08-05 | 汕头市信力制罐设备有限公司 | Automatic tooth machine that expands of metal can |
-
2020
- 2020-11-12 CN CN202022617324.3U patent/CN214417571U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN120421432A (en) * | 2025-07-07 | 2025-08-05 | 汕头市信力制罐设备有限公司 | Automatic tooth machine that expands of metal can |
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