CN111824516A - Sealing device of liquid filling machine - Google Patents
Sealing device of liquid filling machine Download PDFInfo
- Publication number
- CN111824516A CN111824516A CN202010711218.3A CN202010711218A CN111824516A CN 111824516 A CN111824516 A CN 111824516A CN 202010711218 A CN202010711218 A CN 202010711218A CN 111824516 A CN111824516 A CN 111824516A
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- CN
- China
- Prior art keywords
- box body
- clamping plate
- fixed
- plate
- filling machine
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
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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
- B65B51/32—Cooling, or cooling and pressing, package closures after heat-sealing
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Closing Of Containers (AREA)
Abstract
A sealing device of a liquid filling machine comprises a box body, wherein two guide posts are symmetrically arranged on the box body, an outer clamping plate is fixed at one end of each guide post, an inner clamping plate is sleeved on each guide post, sealing plates are respectively fixed on the outer clamping plate and the inner clamping plate, a connecting plate is fixed at the other end of each guide post, transmission shafts are respectively arranged at the middle parts of the connecting plate and the inner clamping plate, and the two transmission shafts are respectively inserted into the box body through guide sleeves arranged on the box body; the box body is provided with a servo motor along the vertical direction, the middle part in the box body is provided with a ball screw pair, the upper end of a screw of the ball screw pair penetrates out from the top surface of the box body and is in transmission connection with the servo motor, a sliding block is fixed on a screw nut of the ball screw pair, and the sliding block and the two transmission shafts are hinged with each other through connecting arms respectively. The device passes through controller control servo motor's rotational speed, alright realize that the involution speed of sealing plate is adjustable, can reach more reliable involution intensity, make by the liquid of filling or half viscous liquid retention period extension.
Description
Technical Field
The invention relates to the field of packaging machinery, in particular to a sealing device of a liquid filling machine.
Background
The liquid filling machine can be used for filling various flowable objects, and is widely applied to the food industry, the beverage industry, the medical industry, the chemical industry and the like. At present, most of packing materials used by liquid filling machines in the market are PVC/PE and PET/PE, and the sealing device is mainly used for tightly sealing the opening of the packing material after the filling machine fills the packing material.
The existing sealing device comprises a box body, two guide pillars are symmetrically installed on the box body through guide sleeves, an outer clamping plate is fixed at one end of each guide pillar, an inner clamping plate is sleeved on each guide pillar, sealing plates are fixed on opposite surfaces of the outer clamping plate and the inner clamping plate respectively through heating blocks, a connecting plate is fixed at the other end of each guide pillar, transmission shafts are connected onto the connecting plate and the inner clamping plate respectively, a driving cylinder is installed in the box body, a piston rod of the driving cylinder is provided with a connecting seat, and the connecting seat is hinged to the two transmission shafts through connecting arms respectively.
When the sealing device works, the driving cylinder is started, and then the connecting arm and the transmission shaft drive the outer clamping plate and the inner clamping plate to reciprocate and move reversely along the horizontal direction, so that the opening of a packing material passing through the two sealing plates is sealed. Because the driving cylinder has fixed movement speed, the reciprocating movement speed of the outer clamping plate and the inner clamping plate is fixed, the sealing firmness is poor, the opening is easy after sealing, and the storage life is short.
Disclosure of Invention
The invention aims to solve the technical problem of providing a sealing device of a liquid filling machine, which has adjustable sealing speed and firm sealing.
In order to achieve the purpose, the invention adopts the following technical scheme:
a sealing device of a liquid filling machine comprises a box body, wherein two guide columns are symmetrically arranged on the box body through guide sleeves, an outer clamping plate is fixed at one end of each guide column, an inner clamping plate is sleeved on each guide column, sealing plates are respectively fixed on opposite surfaces of the outer clamping plate and the inner clamping plate, a connecting plate is fixed at the other end of each guide column, transmission shafts are respectively connected with the middle parts of the connecting plate and the inner clamping plate, and the two transmission shafts are coaxially arranged and are respectively inserted into the box body through guide sleeves arranged on the box body; it is characterized in that: the box body is provided with a servo motor along the vertical direction, the middle part in the box body is provided with a ball screw pair along the vertical direction, the upper end of a screw of the ball screw pair penetrates out from the top surface of the box body and is in transmission connection with the servo motor, a slide block is fixed on a nut of the ball screw pair, and the slide block and the two transmission shafts are hinged with each other through a connecting arm respectively.
Preferably, the sealing plates are respectively fixed on a heating plate and fixed on the corresponding outer clamping plate or inner clamping plate through the heating plate.
Preferably, an electric heating tube is inserted into the heating plate to heat the laminate.
Preferably, a teflon coating is provided on the surface of the sealing plate to prevent the packing material from being adhered.
Preferably, the inner clamping plate is symmetrically fixed with sliding guide sleeves, and the sliding guide sleeves are sleeved on the two guide posts.
Preferably, the two photoelectric switches are respectively mounted on one side of the inner wall of the box body through a bracket, correspond to the upper end position and the lower end position of the slider during reciprocating motion respectively, and are used for transmitting a position signal of the slider during reciprocating motion to the controller so as to control the operation of the servo motor.
The invention has the beneficial effects that:
because the servo motor is arranged on the box body along the vertical direction, the ball screw pair is arranged in the middle of the box body along the vertical direction, the upper end of a screw of the ball screw pair penetrates out of the top surface of the box body and is in transmission connection with the servo motor, a sliding block is fixed on a nut of the ball screw pair, and the sliding block and the two transmission shafts are hinged with each other through a connecting arm respectively; the ball screw pair is driven to rotate by the servo motor, and the outer clamping plate and the inner clamping plate are driven to reciprocate and move reversely along the two guide posts by the slide block and the connecting arm, so that the liquid packaging material can be sealed by the sealing plate; through controller control servo motor's rotational speed, alright realize that the involution speed of closure plate is adjustable, can realize quick travel when the closure plate is starting promptly, can slow down slow moving when being close to packing material, will pack the material and slowly clip and short time keep the clamping state, can reach more reliable involution intensity, make by the liquid of filling or half viscous liquid storage life extension, safe and reliable more.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a cross-sectional view A-A of FIG. 1;
fig. 4 is a schematic perspective view of the present invention.
In the figure: the device comprises a track shaft 1, a primary sealing mechanism 2, a secondary sealing mechanism 3, a tertiary sealing mechanism 4, a cooling and shaping mechanism 5, a straight tooth base 6, a pinion 7, an outer clamp plate 8, a heating plate 9, a sealing plate 10, a sliding guide sleeve 11, an inner clamp plate 12, a guide sleeve 13, a guide pillar 14, a connecting plate 15, a transmission shaft 16, a cooling plate 17, a servo motor 18, a motor base 19, a box body 20, a guide sleeve 21, a photoelectric switch 22, a sliding block 23, a ball screw pair 24, a connecting arm 25 and an electric heating pipe 26.
Detailed Description
As shown in fig. 1-4, the sealing device of a liquid filling machine according to the present invention comprises two track shafts 1 mounted on a platform of the liquid filling machine through shaft seats, wherein a primary sealing mechanism 2, a secondary sealing mechanism 3, a tertiary sealing mechanism 4 and a cooling and shaping mechanism 5 are sequentially and fixedly supported on the two track shafts 1, and the primary sealing mechanism 2, the secondary sealing mechanism 3 and the tertiary sealing mechanism 4 have the same structure.
Each sealing mechanism comprises a box body 20 formed by connecting steel plates through bolts, two guide sleeves 13 which are horizontally arranged are symmetrically fixed on the front panel and the rear panel of the box body 20 through screws respectively, two guide columns 14 are symmetrically installed on the front panel and the rear panel of the box body 20 through sliding fit of the guide sleeves 13, and two ends of each guide column 14 penetrate through the corresponding guide sleeve 13 on the front panel and the corresponding guide sleeve 13 on the rear panel respectively. An outer clamping plate 8 is fixed at one end of the two guide posts 14 in front of the box body 20 through bolts, an inner clamping plate 12 is sleeved at one end, close to the outer clamping plate 8, of the two guide posts 14, two sliding guide sleeves 11 are symmetrically fixed on the inner clamping plate 12 through screws, and the two guide posts 14 are sleeved through the sliding guide sleeves 11 in a sliding fit mode;
be fixed with closure plate 10 on the opposite face of outer splint 8 and interior splint 12 respectively, closure plate 10 uses connecting bolt to fix on outer splint 8 or the interior splint 12 that correspond through fix with screw on a hot plate 9 and through hot plate 9 respectively, corresponds the connecting bolt punishment and do not is equipped with along longitudinal arrangement's bar hole on outer splint 8 and interior splint 12 to adjust the height of hot plate 9. The other ends of the two guide posts 14 are fixedly connected with a connecting plate 15, the opposite surfaces of the connecting plate 15 and the middle part of the inner clamping plate 12 are respectively connected with transmission shafts 16, and the two transmission shafts 16 are coaxially arranged and are respectively inserted into the box body 20 through guide sleeves 21 fixed on the box body 20. A servo motor 18 is supported and mounted on a box body 20 through a motor base 19 in the vertical direction, a ball screw pair 24 is mounted in the middle of the inside of the box body 20 in the vertical direction, the upper end of a screw of the ball screw pair 24 penetrates out of the top surface of the box body 20 and is in transmission connection with an output shaft of the servo motor 18 through a coupler, a sliding block 23 is fixed on a nut of the ball screw pair 24 through a screw, and the sliding block 23 and two transmission shafts 16 are hinged to each other through a connecting arm 25 through a pin shaft.
An electric heating tube 26 is inserted onto the heating plate 9 for heating the laminate 10. The surface of the closure panel 10 is coated with a teflon coating to prevent adhesion of the packaging material during closure.
Two photoelectric switches 22 are respectively installed on one side of the inner wall of the box 20 through a bracket, and the two photoelectric switches 22 respectively correspond to the upper end position and the lower end position of the slider 23 during reciprocating motion and are used for transmitting a position signal of the slider 23 during reciprocating motion to a controller so as to control the work of the servo motor 18.
The cooling and shaping mechanism has substantially the same structure as the primary sealing mechanism, the secondary sealing mechanism and the tertiary sealing mechanism, and is different in that the sealing plates 10 are respectively fixed on a cooling plate 17 through screws and are fixed on the corresponding outer clamping plate 8 or inner clamping plate 12 through the cooling plate 17 by using connecting bolts. And a cooling water channel is arranged on the cooling plate 17 and used for introducing circulating cooling water to realize cooling and shaping of the packaging material subjected to heating and sealing.
Being located preceding lie in first involution mechanism, secondary involution mechanism, cubic involution mechanism and cooling shaping mechanism's below on the track axle 1 is respectively through fix with screw has straight-tooth seat 6, it has the rack to process at straight-tooth seat 6 upper end, at first involution mechanism, secondary involution mechanism, pinion 7 is installed through axle bed and minor axis respectively to the box 20 bottom surface of cubic involution mechanism and cooling shaping mechanism, pinion 7 and the rack toothing of straight-tooth seat 6 upper end for the involution mechanism is once adjusted manually, secondary involution mechanism, cubic involution mechanism and the distribution position of cooling shaping mechanism on track axle 1.
When the device works, the servo motor 18 is started to drive a lead screw of the ball screw pair 24 to rotate, the slide block 23 is driven to reciprocate up and down through a nut of the ball screw pair 24, and the slide block 23 drives the outer clamping plate 8 and the inner clamping plate 12 to move reversely in the horizontal direction sequentially through the connecting arm 25, the transmission shaft 16, the connecting plate 15 and the guide post 14 when moving; when the sealing plates 10 on the two sides of the packing material are close to the packing material, the servo motor 18 is controlled to decelerate through the controller, so that the sealing plates 10 slowly clamp the packing material and keep the clamping state for a short time, more reliable sealing strength can be achieved, and the storage life of the filled liquid or semi-viscous liquid is prolonged.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. A sealing device of a liquid filling machine comprises a box body, wherein two guide columns are symmetrically arranged on the box body through guide sleeves, an outer clamping plate is fixed at one end of each guide column, an inner clamping plate is sleeved on each guide column, sealing plates are respectively fixed on opposite surfaces of the outer clamping plate and the inner clamping plate, a connecting plate is fixed at the other end of each guide column, transmission shafts are respectively connected with the middle parts of the connecting plate and the inner clamping plate, and the two transmission shafts are coaxially arranged and are respectively inserted into the box body through guide sleeves arranged on the box body; the method is characterized in that: the box body is provided with a servo motor along the vertical direction, the middle part in the box body is provided with a ball screw pair along the vertical direction, the upper end of a screw of the ball screw pair penetrates out from the top surface of the box body and is in transmission connection with the servo motor, a slide block is fixed on a nut of the ball screw pair, and the slide block and the two transmission shafts are hinged with each other through a connecting arm respectively.
2. The sealing device of a liquid filling machine according to claim 1, wherein: the sealing plates are respectively fixed on a heating plate and are fixed on the corresponding outer clamping plate or inner clamping plate through the heating plate.
3. The sealing device of a liquid filling machine according to claim 2, wherein: an electric heating pipe is inserted on the heating plate and used for heating the plywood.
4. The sealing device of a liquid filling machine according to claim 1 or 2, characterized in that: the surface of the sealing plate is provided with a Teflon coating to avoid adhering packing materials.
5. The sealing device of a liquid filling machine according to claim 1, wherein: sliding guide sleeves are symmetrically fixed on the inner clamping plate and are sleeved on the two guide posts through the sliding guide sleeves.
6. The sealing device of a liquid filling machine according to claim 1, wherein: two photoelectric switches are respectively arranged on one side of the inner wall of the box body through a support, the two photoelectric switches respectively correspond to the upper end position and the lower end position of the slide block during reciprocating motion and are used for transmitting position signals of the slide block during reciprocating motion to the controller so as to control the work of the servo motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010711218.3A CN111824516A (en) | 2020-07-22 | 2020-07-22 | Sealing device of liquid filling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010711218.3A CN111824516A (en) | 2020-07-22 | 2020-07-22 | Sealing device of liquid filling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111824516A true CN111824516A (en) | 2020-10-27 |
Family
ID=72924737
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010711218.3A Pending CN111824516A (en) | 2020-07-22 | 2020-07-22 | Sealing device of liquid filling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111824516A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116101581A (en) * | 2023-04-17 | 2023-05-12 | 广东科伺智能科技有限公司 | Packaging sealing method and controller |
-
2020
- 2020-07-22 CN CN202010711218.3A patent/CN111824516A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116101581A (en) * | 2023-04-17 | 2023-05-12 | 广东科伺智能科技有限公司 | Packaging sealing method and controller |
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