CN217474679U - Equal-width cam pressing mechanism and steel drum sealing machine using same - Google Patents
Equal-width cam pressing mechanism and steel drum sealing machine using same Download PDFInfo
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- CN217474679U CN217474679U CN202221156646.5U CN202221156646U CN217474679U CN 217474679 U CN217474679 U CN 217474679U CN 202221156646 U CN202221156646 U CN 202221156646U CN 217474679 U CN217474679 U CN 217474679U
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Abstract
The utility model provides a mechanism pushes down to cam of constant width relates to the steel drum turn-up and seals technical field, has solved among the prior art technical problem that the mechanism structure is complicated, the reliability is poor, production efficiency is low. The equal-width cam pressing mechanism comprises a power output device and a pressing mechanism, the pressing mechanism comprises an equal-width cam, a driven part and a sealing pinch roller, the equal-width cam is mounted on a power output shaft of the power output device and sleeved in a rectangular hole of the driven part, the distance between any two parallel tangent lines on a contour line of the equal-width cam is equal to the height of the rectangular hole, the equal-width cam can rotate along with the power output shaft and drive the driven part and the sealing pinch roller at the lower part of the driven part to reciprocate up and down, and the motion rule obeys a cosine function. The utility model is used for change the motion law of pushing down the mechanism follower. The utility model also provides an use this steel drum capper of mechanism is pushed down to the cam of the same width for improve the sealed effect of steel drum, improve the product percent of pass.
Description
Technical Field
The utility model belongs to the technical field of the steel drum turn-up seals technique and specifically relates to a steel drum capper that mechanism and use this mechanism is pushed down to aequilate cam.
Background
On a sealing machine of the existing packaging steel drum production equipment, a pressing mechanism of the existing packaging steel drum production equipment is mainly a hydraulic cylinder pressing mechanism or a common cam pressing mechanism.
The hydraulic cylinder pressing mechanism needs to be matched with hydraulic components such as a hydraulic station and the like, the hydraulic cylinder needs to be driven by a hydraulic pump station, and the pollution of hydraulic oil to the environment is serious; the pressing speed of the hydraulic cylinder is unchangeable, the speed from the beginning to the end is uncontrollable, the acceleration and the deceleration in the pressing process are unstable, the elastic pressing is easy to occur, the reliability is not high, and the sealing quality is also influenced; when the hydraulic cylinders are pressed down, the pressing time is influenced by oil temperature, flow and other acting oil, the displacement time is uncertain, if more than two hydraulic cylinders are arranged, the actions of the hydraulic cylinders are one after another, and the next action can be carried out only after one action is finished, so that the production efficiency is low; the sealing element of the hydraulic cylinder is easy to age, and the service life of components such as a hydraulic pump, an electromagnetic valve and the like is influenced by oil quality.
The advantage of the conventional cam mechanism is that it requires less energy consumption than a hydraulic cylinder, but it also has several disadvantages: the common cam is a connecting line of position points of a plurality of angles and has no fixed calculation formula, so the overall dimension of the common cam processed in each batch is not determined, and the motion rule of the driven part is not determined; the return stroke of the common cam needs external force such as a spring, an air cylinder and the like to assist in pulling back, the cam needs to overcome the external force of an auxiliary device such as an auxiliary spring or an air cylinder and the like during the lift, and the lift force required by the lift of the cam is increased, so that the production cost is increased, and meanwhile, the maintenance cost of the auxiliary device is also increased.
The applicant has found that the prior art has at least the following technical problems:
the existing pressing mechanism has the disadvantages of complex structure, poor reliability and low production efficiency.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a constant width cam pushes down mechanism and uses steel drum capper of this mechanism to solve the technical problem that the mechanism structure is complicated, the reliability is poor, production efficiency is low of pushing down that exists among the prior art. The utility model provides a plurality of technological effects that preferred technical scheme among a great deal of technical scheme can produce are seen in the explanation below in detail.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides an equal width cam pushes down mechanism, including power take-off and push down the component, push down the component and include equal width cam, follower and seal the pinch roller, equal width cam is installed on power take-off's the power output shaft, equal width cam cover is established in the rectangular hole of follower, the distance between two arbitrary parallel tangential lines on the equal width cam contour line all equals the height of rectangular hole, equal width cam can along with power output shaft rotates and drives the follower with the follower lower part seal the pinch roller and do up-and-down reciprocating motion, the follower with the law of motion of pinch roller obeys the cosine function.
Further, the contour of the cam with the same width is an arc trilateral.
Further, the power output device comprises a driving motor and a speed reducer, an output shaft of the driving motor is connected with an input shaft of the speed reducer, and the equal-width cam is installed on the output shaft of the speed reducer.
Further, there are two of the pressing members, the speed reducer includes a first output shaft and a second output shaft, and the equal-width cams of the two pressing members are respectively mounted on the first output shaft and the second output shaft.
Further, the followers of the two pressing members are arranged in parallel.
Further, there is a phase difference between the first output shaft and the second output shaft.
Further, still include the frame, the frame includes vertical board and the horizontal plate of being connected with vertical board upper end, and the cross-section of vertical board and horizontal plate is the type of falling L, power take off sets up on the horizontal plate, install vertical guide rail on the vertical board, the direction of motion of follower with vertical guide rail is unanimous, the rear side fixedly connected with slider of follower, when the up-and-down motion was done to the follower the slider can be followed vertical guide rail slides from top to bottom.
Further, the driven piece comprises a driven plate and a door-shaped frame, a rectangular hole is formed in the middle of the upper end of the driven plate, and the equal-width cam is sleeved in the rectangular hole; the door-shaped frame is arranged at the lower end of one side, far away from the vertical plate, of the driven plate, and comprises a horizontal transverse plate and vertical plates on two sides of the transverse plate, and the vertical plates are parallel to the driven plate and the vertical plate in surface; the axis of rotation of sealing the pinch roller sets up two of door type frame just perpendicular to between the riser.
Further, the slider is provided at a middle portion in a width direction of a rear side of the driven plate.
The steel drum sealing machine comprises the equal-width cam pressing mechanism and a top disc mechanism, wherein a drum body and a drum cover of a steel drum can be clamped by the top disc mechanism and are sealed by a sealing pressing wheel in a curling manner.
The utility model discloses the beneficial effect that the mechanism was pushed down to the cam of aequilate does:
the cam with the same width has the characteristics that the upper side and the lower side of the cam are simultaneously contacted with the driven piece, and the distance between the contact points of the upper side and the lower side of the cam at any position is a certain value, so that the driven piece can realize lift and return motion. The motion rule of a driven part of the constant-width cam mechanism follows a cosine function, so that the pressing speed of the sealing pinch roller follows the cosine function to move, the acceleration and the deceleration are stable in the pressing process, the pressing amount is fixed, elastic pressing cannot occur, and the reliability is high; in addition, the cam mechanism is long in service life, unlike a hydraulic cylinder pressing mechanism which is provided with a sealing element, the sealing element is easy to age, and the service life of components such as a hydraulic pump and an electromagnetic valve is also easy to be influenced by oil quality.
The utility model discloses steel drum capper's beneficial effect does:
the equal-width cam pressing mechanism has the advantages that the acceleration and the deceleration are stable in the pressing process, the pressing amount is fixed, the elastic pressing cannot occur, the reliability is high, the equal-width cam pressing mechanism can be matched with a top disc mechanism of a steel drum sealing machine for use, the high-speed automation is realized, and the sealing quality of a steel drum can be effectively improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a front view of an equal-width cam pressing mechanism of the present invention;
fig. 2 is a side view of the cam depressing mechanism of the present invention;
fig. 3 is a top view of the cam pressing mechanism with equal width of the present invention;
in the figure: 11. a horizontal plate; 12. a vertical plate; 121. a vertical guide rail; 123. a slider; 21. a drive motor; 22. a speed reducer; 3. a cam with equal width; 41. a first hold-down member; 42. a second pressing member; 5. a driven plate; 51. a rectangular hole; 6. a gantry frame; 7. and (5) sealing the pinch roller.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.
Example 1
As shown in fig. 1-3, the utility model provides an equal width cam pushes down mechanism, including power take off device and push down the component, push down the component including equal width cam 3, the follower and seal pinch roller 7, equal width cam 3 installs on power take off device's power take off shaft, 3 covers of equal width cam are established in the rectangular hole 51 of follower, the distance between arbitrary two parallel tangent lines on the equal width cam 3 contour line all equals the height of rectangular hole 51, equal width cam 3 can be along with power take off shaft rotates and drive follower and the follower lower part seal pinch roller 7 and do reciprocating motion from top to bottom, the law of motion of follower and pinch roller obeys the cosine function.
The cam with the same width has the characteristics that the upper side and the lower side of the cam are simultaneously contacted with the driven piece, and the distance between the contact points of the upper side and the lower side of the cam is a certain value at any position, so that the driven piece can realize lift and return motion. The motion rule of a driven part of the constant-width cam mechanism follows a cosine function, so that the pressing speed of the sealing pinch roller 7 follows the cosine function to move, the acceleration and the deceleration are stable in the pressing process, the pressing amount is fixed, elastic pressing cannot occur, and the reliability is high; in addition, the cam mechanism is long in service life, unlike a hydraulic cylinder pressing mechanism which is provided with a sealing piece, the sealing piece is easy to age, and the service life of components such as a hydraulic pump and an electromagnetic valve is also easy to be influenced by oil quality.
Example 2
As shown in fig. 1, as an alternative embodiment, the contour of the cam 3 with the same width is a circular arc trilateral.
In this embodiment, the contour shape of the equal-width cam 3 is an arc triangle, so that the defect of fast local wear in the operation process is avoided, meanwhile, the stress concentration phenomenon is avoided, and the service life of the equal-width cam 3 is prolonged.
Example 3
As an alternative embodiment, the power output device includes a driving motor 21 and a speed reducer 22, an output shaft of the driving motor 21 is connected with an input shaft of the speed reducer 22, and the equal-width cam 3 is mounted on the output shaft of the speed reducer 22.
The power output device of the hydraulic cylinder pressing mechanism is a hydraulic cylinder, a sealing piece is arranged in the hydraulic cylinder pressing mechanism, the sealing piece is easy to age, and the service life of components such as a hydraulic pump, an electromagnetic valve and the like is also easily influenced by oil quality; compared with a hydraulic cylinder pressing mechanism, the power output device of the equal-width cam pressing mechanism can operate only by arranging the speed reducer 22 and the driving motor 21, the structure is simple, and the manufacturing cost is saved.
Example 4
As an alternative embodiment, there are two pressing members, the speed reducer 22 includes a first output shaft and a second output shaft, and the equal-width cams 3 of the two pressing members are respectively mounted on the first output shaft and the second output shaft.
In this embodiment, the pressing members include a first pressing member 41 and a second pressing member 42, and both the pressing members can perform the curling sealing on the barrel body and the barrel cover of the steel barrel, so that the production efficiency is improved.
Example 5
As an alternative embodiment, as shown in fig. 1, the followers of the two pressing members are arranged in parallel.
In order to conveniently realize that the equal-width cams 3 of the two pressing members are respectively connected with two output shafts of the same speed reducer 22, the driven members of the two pressing members are arranged in parallel, so that the distance between the equal-width cams 3 of the two driven members can be kept minimum, and the two driven members are conveniently connected with the two output shafts of the speed reducer 22 in a matched manner.
Example 6
As an alternative embodiment, there is a phase difference between the first output shaft and the second output shaft.
The phase difference exists between the first output shaft and the second output shaft, the two pressing components can be used for sequentially performing edge curling and sealing on the barrel body and the barrel cover of the steel barrel, the sealing pressing wheel 7 of the first pressing component 41 performs pre-curling modeling on the joint of the barrel body and the barrel cover, then the sealing pressing wheel 7 of the second pressing component 42 performs shaping and compaction sealing on the edge curling, and the sealing quality is improved.
The pressing member of the hydraulic cylinder pressing mechanism is driven by the hydraulic cylinder, the pressing time of the hydraulic cylinder pressing mechanism is influenced by oil temperature, flow and other acting oil, and the displacement time is uncertain; if the hydraulic cylinder pressing mechanism provided with two pressing components in the prior art is limited by the hydraulic cylinder, the actions of the pressing components are carried out one by one, and the next action can be carried out only after one action is finished. The two pressing members of the equal-width cam pressing mechanism drive the two equal-width cams 3 through the two output shafts of the speed reducer 22 so as to drive the two driven members to generate displacement, the displacement (angle) and the time are determined, the actions can be overlapped, and when the action of one pressing member is not finished, the other pressing member can start to act, so that the cycle time can be shortened, the accurate connection with other actions can be realized, and the production efficiency is improved.
Example 7
As shown in fig. 2, as an alternative embodiment, the device further comprises a frame, the frame comprises a vertical plate 12 and a horizontal plate 11 connected with the upper end of the vertical plate 12, the vertical plate 12 and the horizontal plate 11 have inverted L-shaped cross sections, a driving motor 21 and a speed reducer 22 are both arranged on the horizontal plate 11, an output shaft of the speed reducer 22 extends out from above the edge of the horizontal plate 11 and is connected with a cam 3 with equal width, and the cam 3 with equal width is sleeved in a rectangular hole 51 of a driven plate 5 outside the vertical plate 12; a vertical guide rail 121 is arranged on the outer side of the vertical plate 12, the motion direction of the driven piece is consistent with that of the vertical guide rail 121, a sliding block 123 is fixedly connected to the rear side of the driven plate 5, and the sliding block 123 can slide up and down along the vertical guide rail 121 when the driven piece reciprocates up and down; the motion trail of the follower can be further precisely positioned by using the vertical guide rail 121.
The driven piece comprises a driven plate 5 and a door-shaped frame 6, a rectangular hole 51 is formed in the middle of the upper end of the driven plate 5, and the equal-width cam 3 is sleeved in the rectangular hole 51; the middle part of the driven plate 5 is provided with a connecting plate which horizontally extends towards the outside, the door-shaped frame 6 is arranged below the connecting plate, the door-shaped frame 6 comprises a horizontal transverse plate and vertical plates at two sides of the transverse plate, the transverse plate is connected with the connecting plate through bolts, the vertical plates are parallel to the driven plate 5 and the vertical plate 12, and the vertical plate at the inner side is attached to the outer side of the driven plate; the rotating shaft of the sealing pinch roller 7 is arranged between two vertical plates of the door-shaped frame 6 and is vertical to the vertical plates, and the sliding block 123 is arranged in the middle of the width direction of the rear side of the driven plate 5. The driven part has simple and stable structure and is easy to be respectively disassembled and assembled with the parts such as the equal-width cam 3, the sliding block 123, the sealing pinch roller 7 and the like.
Example 8
The utility model also provides a steel drum capper, including the mechanism that pushes down of aequilate cam, still including a set mechanism, the ladle body and the bung of steel drum can be by a set mechanism centre gripping and sealed pinch roller 7 turn-up and seal.
The equal-width cam pressing mechanism has the advantages that the acceleration and the deceleration are stable in the pressing process, the pressing amount is fixed, the elastic pressing cannot occur, the reliability is high, the equal-width cam pressing mechanism can be matched with a top disc mechanism of a steel drum sealing machine for use, the high-speed automation is realized, and the sealing quality of a steel drum can be effectively improved.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
In the description of the present invention, it is to be noted that "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like refer to orientations or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is also to be understood that the terms "mounted", "connected" and "connected", unless expressly specified or limited otherwise, are intended to be interpreted broadly, as meaning either a fixed connection or a removable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood as the case may be, by those of ordinary skill in the art.
Claims (10)
1. The utility model provides an equal width cam pushes down mechanism, its characterized in that includes power take off device and pushes down the component, it includes equal width cam, follower and seals the pinch roller to push down the component, equal width cam is installed on power take off device's the power take off shaft, equal width cam cover is established in the rectangular hole of follower, the distance between two arbitrary parallel tangential lines on the equal width cam contour line all equals the height of rectangular hole, equal width cam can be along with power take off shaft rotates and drives the follower with the follower lower part seal the pinch roller and do up-and-down reciprocating motion, the follower with the law of motion of pinch roller obeys the cosine function.
2. The cam depression mechanism of claim 1, wherein the contour of the cam is a circular arc trilateral.
3. The constant-width cam pressing mechanism according to claim 1, wherein the power output device includes a drive motor and a speed reducer, an output shaft of the drive motor is connected with an input shaft of the speed reducer, and the constant-width cam is mounted on the output shaft of the speed reducer.
4. The constant-width cam depressing mechanism according to claim 3, wherein there are two depressing members, the speed reducer includes a first output shaft and a second output shaft, and the constant-width cams of the two depressing members are respectively mounted on the first output shaft and the second output shaft.
5. The constant-width cam depressing mechanism according to claim 4, wherein the followers of the two depressing members are disposed in parallel.
6. The constant-width cam hold-down mechanism according to claim 4, wherein a phase difference exists between the first output shaft and the second output shaft.
7. The constant-width cam pressing mechanism according to claim 1, further comprising a frame, wherein the frame comprises a vertical plate and a horizontal plate connected with the upper end of the vertical plate, the vertical plate and the horizontal plate are inverted-L-shaped in cross section, the power output device is arranged on the horizontal plate, a vertical guide rail is mounted on the vertical plate, the motion direction of the driven member is consistent with that of the vertical guide rail, a sliding block is fixedly connected to the rear side of the driven member, and the sliding block can slide up and down along the vertical guide rail when the driven member reciprocates up and down.
8. The cam pressing mechanism with the same width as the cam pressing mechanism according to claim 7, wherein the driven piece comprises a driven plate and a door-shaped frame, a rectangular hole is formed in the middle of the upper end of the driven plate, and the cam with the same width is sleeved in the rectangular hole; the door-shaped frame is arranged at the lower end of one side of the driven plate far away from the vertical plate, the door-shaped frame comprises a horizontal transverse plate and vertical plates on two sides of the transverse plate, and the vertical plates are parallel to the driven plate and the vertical plate; the axis of rotation of sealing the pinch roller sets up two of door type frame just perpendicular to between the riser.
9. The constant-width cam depressing mechanism according to claim 8, wherein the slider is provided at a widthwise central portion of a rear side of the driven plate.
10. A steel drum sealing machine, comprising the cam pressing mechanism with the same width as any one of claims 1 to 9, characterized by further comprising a top disc mechanism, wherein the drum body and the drum cover of the steel drum can be clamped by the top disc mechanism and can be sealed by the sealing pressing wheel in a curling way.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221156646.5U CN217474679U (en) | 2022-05-13 | 2022-05-13 | Equal-width cam pressing mechanism and steel drum sealing machine using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221156646.5U CN217474679U (en) | 2022-05-13 | 2022-05-13 | Equal-width cam pressing mechanism and steel drum sealing machine using same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217474679U true CN217474679U (en) | 2022-09-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221156646.5U Active CN217474679U (en) | 2022-05-13 | 2022-05-13 | Equal-width cam pressing mechanism and steel drum sealing machine using same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217474679U (en) |
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2022
- 2022-05-13 CN CN202221156646.5U patent/CN217474679U/en active Active
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