Sealing machine
By designing the pre-tightening structure of the slip bracket and elastic parts in the sealing machine, the sealing gap problem caused by the wear of the sealing wheel is solved, ensuring the sealing effect of the sealing machine.
Patent Information
- Application Number
- CN202420844717.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-22
- Publication Date
- 2025-05-16
- Estimated Expiration
- 2034-04-22
AI Technical Summary
In existing sealing machines, the sealing wheel will wear after a long time of use, resulting in a pressing fit between the thermoplastic belt, causing gaps to occur in the product seal.
A sealing machine is designed, in which the sliding bracket is slipped on a fixed seat, and the elastic member is embedded in the give way groove of the sliding bracket, and the fastener is sequentially passed through and tightened into the second screw hole. The pre-tightening elastic member applies pressure to the sliding bracket to ensure that the upper sealing wheel can stably press and the thermoplastic belt.
Through the preload adjustment of the elastic member, the gap problem between the upper sealing wheel and the thermoplastic belt is solved, ensuring the sealing effect and avoiding gaps in the product sealing.
Smart Images
Figure CN222876439U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of sealing equipment, in particular to a sealing machine. Background Art
[0002] The sealing machine is suitable for sealing and bag making of all plastic films, including aluminum foil bags, plastic bags, composite bags and other materials in the pharmaceutical, pesticide, food, daily chemical, lubricant and other industries. It is an ideal sealing equipment for food factories, cosmetic factories, pharmaceutical factories and other units. The transmission mechanism with electronic constant temperature control and stepless speed regulation can automatically and continuously seal plastic films of various materials. In the existing technology, the cold seal strip and the hot seal strip of the sealing machine are connected to form a linkage through the thermoplastic belt, and a sealing wheel is arranged between the cold seal strip and the hot seal strip for the purpose of compression and sealing. However, after long-term use, the sealing wheel will be worn, resulting in the inability to form a compression fit with the thermoplastic belt, resulting in a gap in the product seal. Utility Model Content
[0003] The utility model aims to provide a sealing machine which solves the problem of the gap between the upper sealing wheel and the thermoplastic belt.
[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a sealing machine, comprising an adjusting box, a cold sealing component, a hot sealing component and a discharging transmission belt, the discharging transmission belt comprising an upper discharging belt and a lower discharging belt arranged in sequence from top to bottom, the cold sealing component and the hot sealing component are arranged in sequence on one side of the upper discharging belt and the lower discharging belt, a pressure wheel assembly is installed between the cold sealing component and the hot sealing component, the pressure wheel assembly comprises an upper sealing wheel, a lower sealing wheel, a sliding bracket, an elastic member and a fixed seat, the fixed seat is fixedly arranged on the adjusting box, one end of the upper sealing wheel is connected to the sliding bracket, the elastic member is installed on the sliding bracket and telescopically cooperates with the fixed seat, and the lower sealing wheel is rotatably arranged on the fixed seat and away from one side of the upper sealing wheel.
[0005] Preferably, an upper baffle and a lower baffle are respectively provided on the regulating box, a plurality of first mounting holes are opened on the fixing seat facing the lower baffle, corresponding second mounting holes are opened on the lower baffle, a plurality of bolts are provided on the lower baffle, and the bolts pass through the second mounting holes in sequence and are tightened in the first mounting holes.
[0006] Preferably, a first screw hole is provided on the upper baffle plate, a sliding groove is provided on the fixing seat facing the first screw hole, a second screw hole corresponding to the first screw hole is provided at the bottom of the sliding groove, the sliding bracket is slidably arranged in the sliding groove, a hinge hole corresponding to the first screw hole is provided on the sliding bracket, a fastener is provided on the upper baffle plate, the fastener passes through the first screw hole and the hinge hole in sequence and is tightened in the second screw hole, and the elastic piece is sleeved on the fastener and clamped between the sliding bracket and the upper baffle plate.
[0007] Preferably, a clearance groove is provided on one side of the sliding bracket facing the first screw hole, the diameter of the clearance groove is larger than the diameter of the hinge hole, and one side of the elastic member is embedded in the clearance groove 26 .
[0008] Preferably, sliding protrusions are provided on both sides of the sliding bracket, and positioning grooves matched with the sliding protrusions are opened on the sliding groove.
[0009] Preferably, the sliding bracket is provided with a first boss extending toward one side of the upper sealing wheel, a first positioning hole is formed on the first boss, a first fixing plate is installed on the upper sealing wheel, a first fixing rod is provided on the first fixing plate, the first fixing rod passes through the upper sealing wheel and is screwed into the first positioning hole, a second boss corresponding to the first boss is provided on the fixing seat, a second fixing plate is provided on the lower sealing wheel, a second positioning hole is formed on the second boss, a second fixing rod is provided on the second fixing plate, the second fixing rod passes through the upper sealing wheel and is screwed into the second positioning hole.
[0010] Preferably, the upper sealing wheel is provided with a first annular groove on the side facing the first fixed disk, a first rolling bearing is installed on the first annular groove, the first rolling bearing is sleeved on the first fixed rod and embedded in the first annular groove, and the lower sealing wheel is provided with a second annular groove on the side facing the second fixed disk, a second rolling bearing is installed on the second annular groove, the second rolling bearing is sleeved on the second fixed rod and embedded in the second annular groove.
[0011] Compared with the prior art, the beneficial effects of the utility model are: the sliding bracket is slidably set on the fixed seat, and the elastic member is embedded in the yield groove of the sliding bracket, and then the fasteners are passed through and tightened in the second screw holes in sequence, and the sliding bracket is pre-tightened by pressing the elastic member. When a gap is generated between the upper sealing wheel and the thermoplastic belt, the elastic member will release the downward pressing force, so that the upper sealing wheel can be stably pressed against the thermoplastic belt, and the pressing gap between the sealing wheel and the thermoplastic belt can be adjusted, thereby solving the gap problem between the upper sealing wheel and the thermoplastic belt. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0013] Figure 2 This is a schematic diagram of the overall structure of the utility model after the protective components are hidden;
[0014] Figure 3 It is a structural explosion diagram of the protective component and the mounting panel of the utility model.
[0015] In the figure: 1, adjustment box; 2, cold sealing assembly; 3, hot sealing assembly; 4, discharge transmission belt; 5, upper discharge belt; 8, lower discharge belt; 9, pressure wheel assembly; 10, upper sealing wheel; 11, lower sealing wheel; 12, sliding bracket; 13, elastic member; 14, fixing seat; 15, upper baffle; 16, lower baffle; 17, first mounting hole; 18, second mounting hole; 19, bolt; 20, first screw hole; 21, slide groove; 23, first mounting hole; Two screw holes; 24, hinge hole; 25, fastener; 26, give way groove; 27, sliding convex part; 28, first boss; 29, first positioning hole; 30, first fixing plate; 31, first fixing rod; 32, second boss; 33, second fixing plate; 34, second positioning hole; 35, second fixing rod; 36, first annular groove; 37, first rolling bearing; 38, second rolling bearing; 39, second annular groove; 40, positioning groove. DETAILED DESCRIPTION
[0016] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0017] Example: As shown in the attached Figures 1 to 3 A sealing machine shown in the figure includes an adjusting box 1, a cold sealing component 2, a hot sealing component 3 and a discharge transmission belt 4, wherein the discharge transmission belt 4 includes an upper discharge belt 5 and a lower discharge belt 8 arranged in sequence from top to bottom, and the cold sealing component 2 and the hot sealing component 3 are arranged in sequence on one side of the upper discharge belt 5 and the lower discharge belt 8, and a pressure wheel assembly 9 is installed between the cold sealing component 2 and the hot sealing component 3, and the pressure wheel assembly 9 includes an upper sealing wheel 10, a lower sealing wheel 11, a sliding bracket 12, an elastic member 13 (specifically a pressure spring) and a fixed seat 14, and the fixed seat 14 is fixedly arranged on the adjusting box 1, one end of the upper sealing wheel 10 is connected to the sliding bracket 12, the elastic member 13 is installed on the sliding bracket 12 and telescopically cooperates with the fixed seat 14, and the lower sealing wheel 11 is rotatably arranged on the fixed seat 14 and away from one side of the upper sealing wheel 10.
[0018] As attached Figure 3As shown, the regulating box 1 is respectively provided with an upper baffle 15 and a lower baffle 16 (fixed by welding or screw connection), the fixing seat 14 is provided with a plurality of first mounting holes 17 on the side facing the lower baffle 16, the lower baffle 16 is provided with corresponding second mounting holes 18, the lower baffle 16 is provided with a plurality of bolts 19, the bolts 19 are sequentially passed through the second mounting holes 18 and are tightened in the first mounting holes 17, this mounting structure plays a role of stabilizing support for the fixing seat 14 and preventing the fixing seat 14 from loosening.
[0019] As attached Figure 3 As shown, a first screw hole 20 is provided on the upper baffle 15, a slide groove 21 is provided on the fixing seat 14 facing the first screw hole 20, a second screw hole 23 corresponding to the first screw hole 20 is provided at the bottom of the slide groove 21, the sliding bracket 12 is slidably arranged in the slide groove 21, a hinge hole 24 corresponding to the first screw hole 20 is provided on the sliding bracket 12, a fastener 25 (specifically a bolt 19) is provided on the upper baffle 15, the fastener 25 passes through the first screw hole 20 and the hinge hole 24 in sequence and is tightened in the second screw hole 23, the elastic member 13 is sleeved on the fastener 25 and is clamped between the sliding bracket 12 and the upper baffle 15, so that the sliding bracket 12 can realize sliding movement in the slide groove 21, and at the same time the elastic member 13 applies a pre-tightening force on the sliding bracket 12 to prevent a gap from being generated between the sliding bracket 12 and the thermoplastic belt.
[0020] As attached Figure 3 As shown, the sliding bracket 12 is provided with a clearance groove 26 on one side facing the first screw hole 20, and the diameter of the clearance groove 26 is larger than the diameter of the hinge hole 24. One side of the elastic member 13 is embedded in the clearance groove 26, which can provide stable support for the elastic member 13 and prevent the bottom of the elastic member 13 from twisting and deforming, thereby reducing the preload force on the sliding bracket 12.
[0021] As attached Figure 3 As shown, sliding protrusions 27 (specifically an integrated structure) are provided on both sides of the sliding bracket 12, and positioning grooves 40 adapted to the sliding protrusions 27 are opened on the sliding groove 21. The sliding bracket 12 plays a role of stable support during sliding operation, thereby enhancing the stability of sliding.
[0022] As attached Figure 3As shown, the sliding bracket 12 is provided with a first boss 28 (specifically an integrated structure) extending toward one side of the upper sealing wheel 10, and a first positioning hole 29 is opened on the first boss 28, and a first fixing plate 30 is installed on the upper sealing wheel 10, and a first fixing rod 31 (specifically an integrated structure) is arranged on the first fixing plate 30, and the first fixing rod 31 passes through the upper sealing wheel 10 and is screwed into the first positioning hole 29, and a second boss 32 (specifically an integrated structure) corresponding to the first boss 28 is arranged on the fixing seat 14, and a second fixing plate 33 is provided on the lower sealing wheel 11, and a second positioning hole 34 is opened on the second boss 32, and a second fixing rod 35 (specifically an integrated structure) is arranged on the second fixing plate 33, and the second fixing rod 35 passes through the upper sealing wheel 10 and is screwed into the second positioning hole 34. The first fixing plate 30 and the second fixing plate 33 are arranged to realize the installation and fixation of the upper sealing wheel 10 and the lower sealing wheel 11 to prevent the upper sealing wheel 10 and the lower sealing wheel 11 from falling off.
[0023] As attached Figure 3 As shown, the upper sealing wheel 10 is provided with a first annular groove 36 on the side facing the first fixed disk 30, and a first rolling bearing 37 is installed on the first annular groove 36. The first rolling bearing 37 is sleeved on the first fixed rod 31 and embedded in the first annular groove 36. The lower sealing wheel 11 is provided with a second annular groove 39 on the side facing the second fixed disk 33, and a second rolling bearing 38 is installed on the second annular groove 39. The second rolling bearing 38 is sleeved on the second fixed rod 35 and embedded in the second annular groove 39, which improves the operating smoothness of the upper sealing wheel 10 and the lower sealing wheel 11, prevents the rollers from getting stuck during operation, and can better achieve synchronization with the discharge transmission belt 4.
[0024] In the present invention, terms such as "upper", "lower", "left", "right", "front", "back", "vertical", "horizontal", "side", "bottom" and the like indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings. They are relational words determined only for the convenience of describing the structural relationships of the various parts or elements of the present invention, and do not specifically refer to any part or element in the present invention and cannot be understood as limitations on the present invention.
Claims
1. A sealing machine, comprising an adjustment box (1), a cold sealing component (2), a hot sealing component (3) and a discharge transmission belt (4), wherein the discharge transmission belt (4) comprises an upper discharge belt (5) and a lower discharge belt (8) arranged in sequence from top to bottom, and the cold sealing component (2) and the hot sealing component (3) are arranged in sequence on one side of the upper discharge belt (5) and the lower discharge belt (8), characterized in that: A pressure wheel assembly (9) is installed between the cold sealing assembly (2) and the hot sealing assembly (3), and the pressure wheel assembly (9) comprises an upper sealing wheel (10), a lower sealing wheel (11), a sliding bracket (12), an elastic member (13) and a fixed seat (14); the fixed seat (14) is fixedly arranged on the adjustment box (1); one end of the upper sealing wheel (10) is connected to the sliding bracket (12); the elastic member (13) is installed on the sliding bracket (12) and is telescopically matched with the fixed seat (14); the lower sealing wheel (11) is rotatably arranged on the fixed seat (14) and is away from the upper sealing wheel (10).
2. A sealing machine according to claim 1, characterized in that: The regulating box (1) is respectively provided with an upper baffle (15) and a lower baffle (16); the fixing seat (14) is provided with a plurality of first mounting holes (17) on a side facing the lower baffle (16); the lower baffle (16) is provided with corresponding second mounting holes (18); the lower baffle (16) is provided with a plurality of bolts (19); the bolts (19) pass through the second mounting holes (18) in sequence and are screwed into the first mounting holes (17).
3. A sealing machine according to claim 2, characterized in that: The upper baffle (15) is provided with a first screw hole (20), the fixing seat (14) is provided with a slide groove (21) on the side facing the first screw hole (20), the bottom of the slide groove (21) is provided with a second screw hole (23) corresponding to the first screw hole (20), the sliding bracket (12) is slidably arranged in the slide groove (21), the sliding bracket (12) is provided with a hinge hole (24) corresponding to the first screw hole (20), the upper baffle (15) is provided with a fastener (25), the fastener (25) passes through the first screw hole (20) and the hinge hole (24) in sequence and is screwed into the second screw hole (23), the elastic member (13) is sleeved on the fastener (25) and is clamped between the sliding bracket (12) and the upper baffle (15).
4. A sealing machine according to claim 3, characterized in that: The sliding bracket (12) is provided with a clearance groove (26) on one side facing the first screw hole (20), the diameter of the clearance groove (26) is larger than the diameter of the hinge hole (24), and one side of the elastic member (13) is embedded in the clearance groove (26).
5. A sealing machine according to claim 4, characterized in that: The sliding bracket (12) is provided with sliding protrusions (27) on both sides, and the sliding groove (21) is provided with positioning grooves (40) adapted to the sliding protrusions (27).
6. A sealing machine according to claim 5, characterized in that: The sliding bracket (12) is provided with a first boss (28) extending toward one side of the upper sealing wheel (10), and a first positioning hole (29) is formed on the first boss (28). The upper sealing wheel (10) is mounted with a first fixing plate (30), and a first fixing rod (31) is formed on the first fixing plate (30), and the first fixing rod (31) passes through the upper sealing wheel (10) and is screwed into the first positioning hole (29). The fixing seat (14) is provided with a second boss (32) corresponding to the first boss (28), and the lower sealing wheel (11) is provided with a second fixing plate (33), and a second positioning hole (34) is formed on the second boss (32), and a second fixing rod (35) is formed on the second fixing plate (33), and the second fixing rod (35) passes through the upper sealing wheel (10) and is screwed into the second positioning hole (34).
7. A sealing machine according to claim 6, characterized in that: The upper sealing wheel (10) is provided with a first annular groove (36) on the side facing the first fixed disk (30), and a first rolling bearing (37) is installed on the first annular groove (36). The first rolling bearing (37) is sleeved on the first fixed rod (31) and embedded in the first annular groove (36). The lower sealing wheel (11) is provided with a second annular groove (39) on the side facing the second fixed disk (33), and a second rolling bearing (38) is installed on the second annular groove (39). The second rolling bearing (38) is sleeved on the second fixed rod (35) and embedded in the second annular groove (39).