CN113815962A - Sealing structure based on heavy-load up-and-down reciprocating motion - Google Patents
Sealing structure based on heavy-load up-and-down reciprocating motion Download PDFInfo
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- CN113815962A CN113815962A CN202111049355.6A CN202111049355A CN113815962A CN 113815962 A CN113815962 A CN 113815962A CN 202111049355 A CN202111049355 A CN 202111049355A CN 113815962 A CN113815962 A CN 113815962A
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- 238000007789 sealing Methods 0.000 title claims abstract description 140
- 230000033001 locomotion Effects 0.000 title claims abstract description 34
- 230000005540 biological transmission Effects 0.000 claims abstract description 47
- 230000001360 synchronised effect Effects 0.000 claims abstract description 34
- 230000002093 peripheral effect Effects 0.000 claims abstract description 17
- 229910000831 Steel Inorganic materials 0.000 claims description 19
- 239000010959 steel Substances 0.000 claims description 19
- 238000000034 method Methods 0.000 claims 1
- 238000004806 packaging method and process Methods 0.000 abstract description 14
- 230000005484 gravity Effects 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 230000000712 assembly Effects 0.000 description 5
- 238000000429 assembly Methods 0.000 description 5
- 229920003266 Leaf® Polymers 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000033764 rhythmic process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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- 230000004048 modification Effects 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B51/00—Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
- B65B51/10—Applying or generating heat or pressure or combinations thereof
- B65B51/14—Applying or generating heat or pressure or combinations thereof by reciprocating or oscillating members
- B65B51/146—Closing bags
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Abstract
The invention discloses a sealing structure based on heavy-load up-and-down reciprocating motion, and relates to the technical field of packaging. The invention comprises a base, wherein two supporting plates are symmetrically fixed on the upper surface of the base, and supporting seats are fixed on the tops of the supporting plates; a driving motor is fixedly arranged on the surface of one supporting plate, a rotating column is fixed at one end of an output shaft of the driving motor, and a main transmission synchronous belt wheel is fixed on the peripheral side surface of the rotating column; the upper surface of the base is fixedly provided with a cam transmission assembly, and the cam transmission assembly is connected with a main transmission synchronous belt wheel through a synchronous belt; the upper surface of the supporting seat is fixedly provided with a sealing combination structure. The invention can realize the flexible up-and-down movement of the sealing block assembly, the counterweight system can effectively counteract the gravity of the sealing block assembly, and can effectively reduce the driving force of the up-and-down movement of the sealing block assembly, so that the movement of the sealing block assembly is more stable, the strength requirement of the driving mechanism can be reduced, and the service life of the sealing structure is prolonged.
Description
Technical Field
The invention belongs to the technical field of packaging, and particularly relates to a sealing structure based on heavy-load up-and-down reciprocating motion.
Background
More and more manufacturers in the market use prefabricated bags for packaging at present, the prefabricated bags are rich in types, three-edge sealing bags, four-edge sealing bags, M-shaped bags, zipper bags, handle bags, standing bags and the like are available, packaging machines capable of achieving automatic packaging of the packaging bags are different in application, the packaging bags are different in type and different in type, a rotary-disc type bag feeding machine, a horizontal type bag feeding machine, a vertical type machine and an M-bag type bag feeding machine are available, sealing assemblies are not available in any packaging machine, sealing can be completed only by moving some sealing assemblies up and down, for example, the M-bag type bag feeding machine is provided, the sealing assemblies of the bag feeding machine cannot stay at a certain position for direct sealing during sealing, and the bags cannot interfere with the sealing assemblies, so that the sealing assemblies need to be moved to a high point and the like before being in place and then moved to a low point for sealing, and then moved to the high point for waiting for next sealing.
In order to realize the up-and-down movement of the sealing assembly, a plurality of driving structures are available on the market, one of the driving structures uses an air cylinder to directly drive the sealing assembly to move up and down, because the sealing assembly has heavier weight, the air cylinder with larger cylinder diameter is needed to be adopted for the free up-and-down movement of the sealing assembly, the installation size is very large, the driving of the air cylinder is unstable, the movement speed is related to the air pressure, and the air cylinder is difficult to adjust to a proper size, so that the coordination with the main movement of a packaging machine is difficult to ensure, and a crash accident possibly occurs when the air pressure is unstable; the other type adopts a cam to directly drive a swing arm to drive a sealing assembly structure, the cam drives a roller bearing, the roller bearing drives the swing arm, the swing arm drives a connecting rod, the connecting rod drives the sealing assembly to move up and down, because the stroke of the cam is far smaller than the stroke of the sealing assembly up and down, the length of the output end of the swing arm needs to be increased, the strength of the swing arm is greatly weakened, the stability of the mechanism is seriously influenced, because the weight of the sealing assembly is heavier, the cam needs to provide larger driving force, the power of a main motor needs to be increased, the energy is saved, the environment is not protected, the installation reference of the swing arm is inconsistent with that of the cam, the parallel of the swing arm and the cam is difficult to ensure, the resistance of the mounted assembly is overlarge in most cases, the movement is not smooth, and even the stop sign exists at a certain position. Therefore, a sealing structure based on heavy-load up-and-down reciprocating motion is designed to solve the technical problems.
Disclosure of Invention
The invention aims to provide a sealing structure based on heavy-load up-and-down reciprocating motion, which solves the problems that the existing sealing block assembly is poor in up-and-down motion stability, a cam needs to provide large driving force, the power of a main motor needs to be increased, energy is saved, environment is not protected, the installation reference of a swing arm is inconsistent with that of the cam, the swing arm and the cam are difficult to ensure to be parallel, the resistance of the mounted assembly is overlarge in most cases, the action is not smooth, and even a pause sign exists at a certain point position through the design of a synchronous belt, a cam transmission assembly, a main transmission synchronous belt wheel, a counterweight assembly and a sealing assembly.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a sealing structure based on heavy-load up-and-down reciprocating motion, which comprises a base, wherein two supporting plates are symmetrically fixed on the upper surface of the base, and supporting seats are fixed at the tops of the supporting plates; a driving motor is fixedly arranged on the surface of one supporting plate, a rotating column is fixed at one end of an output shaft of the driving motor, a positioning bearing is fixedly arranged at one end of the rotating column, and the positioning bearing is fixedly arranged on the surface of the other supporting plate; a main transmission synchronous belt wheel is fixed on the peripheral side surface of the rotating column; the upper surface of the base is fixedly provided with a cam transmission assembly, and the cam transmission assembly is connected with a main transmission synchronous belt wheel through a synchronous belt; the sealing combined structure comprises a U-shaped upright fixed on the upper surface of the supporting seat, a sealing fixing frame is fixed at the top of the U-shaped upright, a counterweight component is fixedly connected inside the sealing fixing frame, and the counterweight component is connected with a first guide slide rail inside the U-shaped upright in a sliding manner; two second guide sliding rails are fixed on the outer surface of the sealing fixing frame, the second guide sliding rails are connected with a sealing assembly in a sliding mode, and the sealing assembly is connected with the counterweight assembly; and a sealing push rod is rotatably connected between the cam transmission assembly and the sealing assembly.
Furthermore, the cam transmission assembly comprises a box-type frame, and the box-type frame is respectively and rotatably connected with a first rotating shaft and a second rotating shaft; the first rotating shaft penetrates through the end face of the box type frame and is fixedly provided with a driven synchronous belt wheel, and the driven synchronous belt wheel is connected with the main transmission synchronous belt wheel through a synchronous belt.
A push clamp cam positioned in the box type frame is fixed on the peripheral side surface of the first rotating shaft; and a first driving wheel and a second driving wheel are respectively fixed on the circumferential side surface of the second rotating shaft.
Furthermore, a connecting seat is fixed at the bottom in the box type frame, two opposite side surfaces of the connecting seat are respectively and rotatably connected with a supporting shaft, and the supporting shafts are rotatably connected with the box type frame; and a third driving wheel is fixed on the circumferential side surface of one of the support shafts and is meshed with the first driving wheel.
And a fourth driving wheel is fixed on the circumferential side surface of the other support shaft and is meshed with the second driving wheel.
Furthermore, the circumferential side surface of the support shaft provided with the third driving wheel is fixedly connected with a cam swing arm, one end of the cam swing arm is provided with a roller needle bearing, and the roller needle bearing is in sliding fit with an inner groove on the surface of the push clamp; the end face of the supporting shaft provided with the fourth transmission wheel, which is positioned on the outer side of the box type frame, is fixedly connected with a tensioning sleeve, and the peripheral side face of the tensioning sleeve is fixedly provided with an output swing arm.
Furthermore, the sealing assembly comprises a moving body which is connected to the second guide slide rail in a sliding manner, a sealing block mounting plate is fixedly mounted on the surface of the moving body, and the two opposite sealing block mounting plates are connected through a support rod; the two that set up relatively rotate between the sealing block mounting panel and be connected with a plurality of direction slide bars, and two the symmetry is provided with two sliding connection sealing block fly leafs on the direction slide bar between the sealing block mounting panel, sealing block fly leaf fixed surface has the cylindricality sealing block.
The side fixed mounting that the sealing block mounting panel kept away from the sealing block fly leaf has a driving cylinder, it is connected with the sealing block fly leaf to drive the cylinder output.
Furthermore, the counterweight assembly comprises a connecting shaft fixed inside the sealing fixing frame, and the peripheral side surface of the connecting shaft is rotatably connected with a steel wire fixed pulley; and a connector is fixed between the two moving bodies, a counterweight steel rope is fixedly connected with the connector, and the counterweight steel rope is attached to the surface of the steel wire fixed pulley.
The counterweight steel rope lower extreme is fixed with the balancing weight, the balancing weight outside is fixed with removes the frame, remove frame and first direction slide rail sliding fit.
Furthermore, the connecting body is rotatably connected with a rotating pushing piece through a supporting rod, and the rotating pushing piece is connected with the output swing arm through a sealing push rod.
The invention has the following beneficial effects:
1. the invention can realize the flexible up-and-down movement of the sealing block assembly, the counterweight system can effectively counteract the gravity of the sealing block assembly, and can effectively reduce the driving force of the up-and-down movement of the sealing block assembly, so that the movement of the sealing block assembly is more stable, the strength requirement of the driving mechanism can be reduced, and the service life of the sealing structure is prolonged.
2. The invention can stably and effectively provide the vertical movement through the cam mechanism, the movement beat can be strictly consistent with the main machine, the transmission movement is reliable, meanwhile, the stroke of the cam can be greatly increased, and a larger stroke meeting the working condition can be obtained under the condition of not changing the cam.
3. The invention can output the main transmission force to a far place through the design of the synchronous belt, the cam transmission component and the main transmission synchronous belt wheel, has lower requirement on the processing precision compared with other structures, is easy to ensure the transmission stability and can reduce the noise.
4. The up-and-down movement rhythm of the sealing block assembly can be always consistent with the packaging rhythm, parameters of a program do not need to be changed, only the rotating speed of the main motor needs to be changed, the operation is simple and convenient, and the failure rate is low.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a sealing structure based on heavy-duty up-and-down reciprocating motion.
Fig. 2 is a schematic structural view of fig. 1 from another angle.
Fig. 3 is a front view of the structure of fig. 2.
Fig. 4 is a schematic structural view of the cam gear assembly.
Fig. 5 is a schematic view of the structure of fig. 4 at an angle.
Fig. 6 is a schematic structural view of fig. 4 from another angle.
Fig. 7 is an enlarged view of a portion of a structure shown in fig. 6.
Fig. 8 is a partial structural schematic diagram of fig. 1.
Fig. 9 is a side view of the structure of fig. 8.
Fig. 10 is an enlarged view of a portion of the structure at B in fig. 9.
Fig. 11 is a schematic structural view of the push clamp cam.
Fig. 12 is a front view of the structure of fig. 11.
In the drawings, the components represented by the respective reference numerals are listed below:
1-a base, 101-a supporting plate, 102-a supporting seat, 103-a driving motor, 104-a rotating column, 105-a positioning bearing, 106-a main driving synchronous pulley, 107-a synchronous belt, 108-a U-shaped upright post, 109-a sealing fixing frame, 110-a first guide slide rail, 111-a second guide slide rail, 112-a sealing push rod, 2-a cam transmission component, 201-a box frame, 202-a first rotating shaft, 203-a second rotating shaft, 204-a driven synchronous pulley, 205-a pushing and clamping cam, 206-a first transmission wheel, 207-a second transmission wheel, 208-a connecting seat, 209-a third transmission wheel, 210-a fourth transmission wheel, 211-a cam swing arm, 212-a roller needle bearing, 213-an inner groove and 214-a tensioning sleeve, 215-output swing arm, 3-counterweight component, 301-connecting shaft, 302-steel wire fixed pulley, 303-counterweight steel rope, 304-counterweight block, 305-moving frame, 306-rotating pushing piece, 4-sealing component, 401-moving body, 402-sealing block mounting plate, 403-supporting rod, 404-guiding sliding rod, 405-sealing block moving plate, 406-cylindrical sealing block and 407-driving cylinder.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, 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 invention.
Referring to fig. 1-12, the present invention is a sealing structure based on heavy-duty up-and-down reciprocating motion, which includes a base 1, two supporting plates 101 symmetrically fixed on the upper surface of the base 1, and a supporting seat 102 fixed on the top of the supporting plate 101;
a driving motor 103 is fixedly mounted on the surface of one support plate 101, a rotating column 104 is fixed at one end of an output shaft of the driving motor 103, a positioning bearing 105 is fixedly mounted at one end of the rotating column 104, and the positioning bearing 105 is fixedly mounted on the surface of the other support plate 101;
a main transmission synchronous belt pulley 106 is fixed on the peripheral side surface of the rotating column 104; the upper surface of the base 1 is fixedly provided with a cam transmission component 2, and the cam transmission component 2 is connected with a main transmission synchronous belt pulley 106 through a synchronous belt 107; starting the driving motor 103, driving the main driving synchronous pulley 106 to rotate by using the driving motor 103, and driving each element inside the cam transmission assembly 2 to rotate under the driving of the synchronous belt 107;
a sealing combined structure is fixedly arranged on the upper surface of the supporting seat 102 and comprises a U-shaped upright post 108 fixed on the upper surface of the supporting seat 102, a sealing fixing frame 109 is fixed at the top of the U-shaped upright post 108, a counterweight component 3 is fixedly connected inside the sealing fixing frame 109, and the counterweight component 3 is in sliding connection with a first guide slide rail 110 inside the U-shaped upright post 108;
two second guide slide rails 111 are fixed on the outer surface of the sealing fixing frame 109, the second guide slide rails 111 are connected with the sealing component 4 in a sliding manner, and the sealing component 4 is connected with the counterweight component 3; when the sealing component 4 moves downwards, the counterweight component 3 moves upwards, and when the sealing component 4 moves upwards, the counterweight component 3 moves downwards; a sealing push rod 112 is rotatably connected between the cam transmission assembly 2 and the sealing assembly 4, and the sealing push rod 112 is used for pushing the sealing assembly 4 to move up and down along the second guide slide rail 111.
The cam transmission component 2 comprises a box-type frame 201, and the box-type frame 201 is respectively and rotatably connected with a first rotating shaft 202 and a second rotating shaft 203;
a driven synchronous pulley 204 is fixedly arranged on the end face of the first rotating shaft 202 penetrating through the box-type frame 201, and the driven synchronous pulley 204 is connected with the main transmission synchronous pulley 106 through a synchronous belt 107;
a push-clamp cam 205 positioned in the box-type frame 201 is fixed on the peripheral side surface of the first rotating shaft 202; a first transmission wheel 206 and a second transmission wheel 207 are respectively fixed on the peripheral side surface of the second rotating shaft 203.
Wherein, a connecting seat 208 is fixed at the bottom in the box-type frame 201, two opposite side surfaces of the connecting seat 208 are rotatably connected with supporting shafts, and the supporting shafts are rotatably connected with the box-type frame 201;
a third driving wheel 209 is fixed on the peripheral side surface of one of the supporting shafts, and the third driving wheel 209 is meshed with the first driving wheel 206; a fourth driving wheel 210 is fixed on the circumferential side surface of the other support shaft, and the fourth driving wheel 210 is meshed with the second driving wheel 207;
a cam swing arm 211 is fixedly connected to the circumferential side surface of the support shaft provided with the third transmission wheel 209, one end of the cam swing arm 211 is provided with a roller needle bearing 212, and the roller needle bearing 212 is in sliding fit with an inner groove 213 on the surface of the push-clamping cam 205;
the end face of the support shaft provided with the fourth transmission wheel 210, which is positioned at the outer side of the box-type frame 201, is fixedly connected with a tensioning sleeve 214, and the peripheral side face of the tensioning sleeve 214 is fixedly provided with an output swing arm 215; when the driven synchronous pulley 204 drives the clamp pushing cam 205 on the first rotating shaft 202 to rotate, the cam swing arm 211 is driven to rotate by the sliding fit action of the roller needle bearing 212 and the clamp pushing cam 205, and then the third driving wheel 209 is driven to synchronously rotate by the rotating cam swing arm 211, and the output swing arm 215 is driven to swing under the meshing action of the third driving wheel 209 and the first driving wheel 206 and the meshing action of the second driving wheel 207 and the fourth driving wheel 210, so that the sealing assembly 4 is driven to move up and down by the sealing push rod 112.
The sealing assembly 4 comprises a moving body 401 connected to the second guide rail 111 in a sliding manner, a sealing block mounting plate 402 is fixedly mounted on the surface of the moving body 401, and the two opposite sealing block mounting plates 402 are connected through a support rod 403;
a plurality of guide slide bars 404 are rotatably connected between the two oppositely arranged sealing block mounting plates 402, two sealing block movable plates 405 which are slidably connected to the guide slide bars 404 are symmetrically arranged between the two sealing block mounting plates 402, cylindrical sealing blocks 406 are fixed on the surfaces of the sealing block movable plates 405, and the packaging bag openings between the two cylindrical sealing blocks 406 are sealed by the cylindrical sealing blocks 406;
the side of the sealing block mounting plate 402 far away from the sealing block movable plate 405 is fixedly provided with a driving cylinder 407, and the output end of the driving cylinder 407 is connected with the sealing block movable plate 405.
The counterweight component 3 comprises a connecting shaft 301 fixed inside the sealing fixing frame 109, and the peripheral side surface of the connecting shaft 301 is rotatably connected with a steel wire fixed pulley 302; a connecting body is fixed between the two moving bodies 401, a counterweight steel rope 303 is fixedly connected with the connecting body, and the counterweight steel rope 303 is attached to the surface of the steel wire fixed pulley 302.
A counterweight block 304 is fixed at the lower end of the counterweight steel rope 303, a moving frame 305 is fixed outside the counterweight block 304, and the moving frame 305 is in sliding fit with the first guide slide rail 110; the connecting body is rotatably connected with a rotating pushing piece 306 through a support rod, and the rotating pushing piece 306 is connected with the output swing arm 215 through a sealing push rod 112; when sealing subassembly 4 downstream, utilize counter weight steel cable 303 to drive counter weight subassembly 3 upward movement, when sealing subassembly 4 upward movement, utilize counter weight steel cable 303 to drive counter weight subassembly 3 downstream.
The working principle of the embodiment is as follows: when the sealing mechanism works, firstly, the push clamp cam 205 is at a near-repose angle when the machine is started, the output swing arm 215 swings to the highest point through the cam transmission assembly 2, the sealing assembly 4 is pushed to the highest point through the driving of the sealing push rod 112, the driving cylinder 407 is in a retraction state, and the cylindrical sealing block 406 is opened under the driving of the driving cylinder 407, which is defined as an initial state;
then, when the packaging bag is at the sealing position, the driving cylinder 407 is still kept in a retracted state, the cylindrical sealing block 406 is still in an open state under the driving of the driving cylinder 407, the pushing and clamping cam 205 is in a pushing and moving angle under the driving of the driving motor 103, the roller needle bearing 212 mounted on the cam swing arm 211 is rotated from the highest point to the lowest point, the output swing arm 215 swings to the lowest point through the cam transmission assembly 2, the sealing assembly 4 is pulled to the lowest point through the driving of the sealing push rod 112, the pushing and clamping cam 205 enters a far rest angle at the moment, the driving motor 103 continues to rotate but the sealing assembly 4 is kept in the original position, and the state is defined as a preparation state;
when the driving motor 103 continues to rotate and the pushing and clamping cam 205 is located in the far angle of repose, the sealing assembly 4 is kept still in the original position after being pulled to the lowest point, the driving cylinder 407 acts to extend, the cylindrical sealing block 406 is driven by the driving cylinder 407 to be in the palm closing state to seal the packaging bag, at the moment, the driving motor 103 continues to rotate but the sealing assembly 4 is still kept still in the original position, so that the cylindrical sealing block 406 can finish sealing under the condition that the cylindrical sealing block is still kept with the packaging bag, and the state is defined as the sealing state;
after the sealing is finished, the pushing and clamping cam 205 is still in the far angle of repose, the driving cylinder 407 is driven to act and retract rapidly, the cylindrical sealing block 406 is driven to open before leaving the far angle of repose, and the state is defined as an open state;
finally, the driving motor 103 continues to rotate, the pushing and clamping cam 205 is in the return motion angle, the driving air cylinder 407 continues to keep retracting, the cylindrical sealing block 406 continues to keep opening, when the pushing and clamping cam 205 is in the near-rest angle, the sealing assembly 4 is pushed to the highest point, the whole mechanism returns to the initial state, and one working cycle is finished.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (7)
1. A sealing structure based on heavy-load up-and-down reciprocating motion comprises a base (1), wherein two supporting plates (101) are symmetrically fixed on the upper surface of the base (1), and supporting seats (102) are fixed at the tops of the supporting plates (101); the method is characterized in that:
a driving motor (103) is fixedly mounted on the surface of one of the support plates (101), a rotating column (104) is fixed at one end of an output shaft of the driving motor (103), a positioning bearing (105) is fixedly mounted at one end of the rotating column (104), and the positioning bearing (105) is fixedly mounted on the surface of the other support plate (101);
a main transmission synchronous belt wheel (106) is fixed on the peripheral side surface of the rotating column (104);
the cam transmission component (2) is fixedly mounted on the upper surface of the base (1), and the cam transmission component (2) is connected with the main transmission synchronous belt wheel (106) through a synchronous belt (107);
the sealing structure comprises a U-shaped upright post (108) fixed on the upper surface of the supporting seat (102), a sealing fixing frame (109) is fixed at the top of the U-shaped upright post (108), a counterweight component (3) is fixedly connected inside the sealing fixing frame (109), and the counterweight component (3) is connected with a first guide slide rail (110) inside the U-shaped upright post (108) in a sliding manner;
two second guide slide rails (111) are fixed on the outer surface of the sealing fixing frame (109), the second guide slide rails (111) are connected with a sealing component (4) in a sliding mode, and the sealing component (4) is connected with the counterweight component (3);
a sealing push rod (112) is rotatably connected between the cam transmission component (2) and the sealing component (4).
2. The heavy-duty reciprocating up and down motion based closure structure of claim 1, wherein the cam transmission assembly (2) comprises a box-type frame (201), the box-type frame (201) is rotatably connected with a first rotating shaft (202) and a second rotating shaft (203), respectively;
the first rotating shaft (202) penetrates through the end face of the box type frame (201) and is fixedly provided with a driven synchronous pulley (204), and the driven synchronous pulley (204) is connected with the main transmission synchronous pulley (106) through a synchronous belt (107);
a push-clamp cam (205) positioned in the box-type frame (201) is fixed on the peripheral side surface of the first rotating shaft (202);
a first driving wheel (206) and a second driving wheel (207) are respectively fixed on the peripheral side surface of the second rotating shaft (203).
3. The seal structure based on heavy-duty up-and-down reciprocating motion of claim 2, wherein a connecting base (208) is fixed at the bottom of the box-type frame (201), two opposite side surfaces of the connecting base (208) are rotatably connected with supporting shafts, and the supporting shafts are rotatably connected with the box-type frame (201);
a third driving wheel (209) is fixed on the peripheral side surface of one of the support shafts, and the third driving wheel (209) is meshed with the first driving wheel (206);
a fourth driving wheel (210) is fixed on the circumferential side surface of the other support shaft, and the fourth driving wheel (210) is meshed with the second driving wheel (207).
4. The seal structure based on heavy-duty up-and-down reciprocating motion of claim 3, wherein a cam swing arm (211) is fixedly connected to the circumferential side of the supporting shaft provided with the third transmission wheel (209), one end of the cam swing arm (211) is provided with a roller needle bearing (212), and the roller needle bearing (212) is in sliding fit with an inner groove (213) on the surface of the push-clamping cam (205);
the end face, located at the outer side of the box type frame (201), of the supporting shaft provided with the fourth transmission wheel (210) is fixedly connected with a tensioning sleeve (214), and an output swing arm (215) is fixed on the peripheral side face of the tensioning sleeve (214).
5. The structure of claim 4, wherein the seal assembly (4) comprises a moving body (401) slidably connected to the second guide rail (111), a seal mounting plate (402) is fixedly mounted on the surface of the moving body (401), and the two opposite seal mounting plates (402) are connected through a support rod (403);
a plurality of guide slide bars (404) are rotatably connected between the two oppositely arranged sealing block mounting plates (402), two sealing block movable plates (405) which are connected to the guide slide bars (404) in a sliding manner are symmetrically arranged between the two sealing block mounting plates (402), and cylindrical sealing blocks (406) are fixed on the surfaces of the sealing block movable plates (405);
the side face, far away from the sealing block movable plate (405), of the sealing block mounting plate (402) is fixedly provided with a driving cylinder (407), and the output end of the driving cylinder (407) is connected with the sealing block movable plate (405).
6. The seal structure based on heavy-load up-and-down reciprocating motion according to claim 5, wherein the counterweight assembly (3) comprises a connecting shaft (301) fixed inside the seal fixing frame (109), and a steel wire fixed pulley (302) is rotatably connected to the peripheral side surface of the connecting shaft (301);
a connecting body is fixed between the two moving bodies (401), a counterweight steel rope (303) is fixedly connected with the connecting body, and the counterweight steel rope (303) is attached to the surface of the steel wire fixed pulley (302);
a counterweight block (304) is fixed at the lower end of the counterweight steel rope (303), a moving frame (305) is fixed outside the counterweight block (304), and the moving frame (305) is in sliding fit with the first guide sliding rail (110).
7. The sealing structure based on heavy-load up-and-down reciprocating motion of claim 6, wherein the connecting body is rotatably connected with a rotating pushing piece (306) through a support rod, and the rotating pushing piece (306) is connected with the output swing arm (215) through a sealing push rod (112).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111049355.6A CN113815962A (en) | 2021-09-08 | 2021-09-08 | Sealing structure based on heavy-load up-and-down reciprocating motion |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111049355.6A CN113815962A (en) | 2021-09-08 | 2021-09-08 | Sealing structure based on heavy-load up-and-down reciprocating motion |
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| CN113815962A true CN113815962A (en) | 2021-12-21 |
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| CN202111049355.6A Pending CN113815962A (en) | 2021-09-08 | 2021-09-08 | Sealing structure based on heavy-load up-and-down reciprocating motion |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWM241348U (en) * | 2003-07-11 | 2004-08-21 | Yau Sheng Technology Machinery | Transmission device for hot-sealing cutter |
| CN202670171U (en) * | 2012-07-16 | 2013-01-16 | 上海松川远亿机械设备有限公司 | Transverse sealing mechanism of multi-row strip packing machine |
| CN104192330A (en) * | 2014-09-09 | 2014-12-10 | 华中科技大学 | Automatic packaging mechanism for infusion tubes |
| CN109878815A (en) * | 2019-02-27 | 2019-06-14 | 四川科斯特自动化设备有限公司 | Continous way seal packing machine |
| CN112298708A (en) * | 2020-04-08 | 2021-02-02 | 安徽鑫泰药业有限公司 | Encapsulation equipment of herbal pieces- |
-
2021
- 2021-09-08 CN CN202111049355.6A patent/CN113815962A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWM241348U (en) * | 2003-07-11 | 2004-08-21 | Yau Sheng Technology Machinery | Transmission device for hot-sealing cutter |
| CN202670171U (en) * | 2012-07-16 | 2013-01-16 | 上海松川远亿机械设备有限公司 | Transverse sealing mechanism of multi-row strip packing machine |
| CN104192330A (en) * | 2014-09-09 | 2014-12-10 | 华中科技大学 | Automatic packaging mechanism for infusion tubes |
| CN109878815A (en) * | 2019-02-27 | 2019-06-14 | 四川科斯特自动化设备有限公司 | Continous way seal packing machine |
| CN112298708A (en) * | 2020-04-08 | 2021-02-02 | 安徽鑫泰药业有限公司 | Encapsulation equipment of herbal pieces- |
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Application publication date: 20211221 |