Heat recovery mechanism of rubber cap machine

Abstract

The utility model is suitable for the technical field of rubber cap machines, and provides a rubber cap machine heat recovery mechanism which comprises a base, a top seat and a heat recovery mechanism. The thermal shrinkage assembly comprises a lifting plate and positive rotating shafts, the lifting plate is arranged between the base and the top seat, the positive rotating shafts rotationally penetrate through the top seat, first circulating grooves are formed in the positive rotating shafts, a matching plate is elastically connected to the upper portion of the lifting plate, a plurality of bottom rods are arranged on the bottom face of the matching plate, and a plurality of sealing rings are slidably arranged on the bottom face of the lifting plate; a heat shrinkage box is arranged on the top surface of the matching plate; an air bellow communicated with the heat shrinkage box is arranged on the top surface of the top seat; a heating plate is arranged in the side wall of the air bellow; a piston is arranged in the air bellow in a sliding manner; second connecting rods are rotationally arranged between the sliding blocks and the pistons. Therefore, the thermal shrinkage device not only can ensure a good thermal shrinkage effect, but also can protect the hands of hot air, so that the heat loss is reduced, and the production cost is saved.

Description

Technical Field

[0001] The utility model relates to the technical field of rubber cap machines, in particular to a heat recovery mechanism for rubber cap machines. Background Art

[0002] The rubber cap machine, also known as the heat shrink machine, is a device that uses hot air, steam, etc. to act on the rubber cap to make the rubber cap fit tightly to the product in order to achieve sealing, anti-counterfeiting and other effects.

[0003] There are many kinds of rubber cap machines in the prior art, for example, a rubber cap lying heat shrink machine with publication number CN214296742U comprises a casing, a hot air device and an air duct, wherein a side surface of the casing perpendicular to the top surface is provided with an opening; the hot air device comprises a first hot air device and a second hot air device arranged on the top surface of the casing, the first hot air device can blow hot air or cool air, and the second hot air device can blow hot air; the air duct comprises a first air duct and a second air duct, the first air duct is arranged in the casing, and a side of the first air duct facing the casing opening is provided with a side parallel to the casing The first hot air device is connected to the first air duct through a long strip-shaped gap on the bottom surface of the shell; the second air duct is arranged in the shell parallel to the first air duct and is located on the side of the first air duct opening toward the shell, and the second air duct is higher than the first air duct in the vertical direction, and a long strip-shaped air outlet is provided on the lower side of the second air duct, and the second hot air device is connected to the second air duct, which can achieve heat shrinkage of the rubber cap by hot air, but the above device lacks a hot air recovery mechanism, which leads to a large amount of heat loss during the heat shrinkage process, which not only increases production costs but also creates a risk of scalding for employees.

[0004] In summary, the prior art obviously has inconveniences and defects in practical use, so it is necessary to improve it. Utility Model Content

[0005] In view of the above-mentioned defects, the purpose of the utility model is to provide a heat recovery mechanism for a rubber cap machine, which can not only ensure a good heat shrinking effect, but also protect the hot air, reduce heat loss, and save production costs.

[0006] In order to achieve the above-mentioned purpose, the utility model provides a heat recovery mechanism of a rubber cap machine, comprising: a base, a top seat is arranged on the top of which; a heat shrink assembly, comprising a lifting plate and a positive rotation shaft, the lifting plate is arranged between the base and the top seat, a plurality of positive rotation shafts are rotatably penetrated on the top seat, the positive rotation shafts are each provided with a first circulation groove cooperating with the lifting plate, a matching plate is elastically connected above the lifting plate, a plurality of bottom rods passing through the lifting plate are arranged on the bottom surface of the matching plate, a plurality of sealing rings are slidably arranged on the bottom surface of the lifting plate, a first connecting rod is rotatably arranged between adjacent sealing rings and the bottom rods, a heat shrink box is arranged on the top surface of the matching plate, a bellows connected to the heat shrink box is arranged on the top surface of the top seat, a heating plate is arranged in the side wall of the bellows, a piston is slidably arranged in the bellows, a reversing shaft is rotatably arranged on one side of the piston, two sliders and two second circulation grooves are arranged on the reversing shaft, and a second connecting rod is rotatably arranged between the slider and the piston.

[0007] According to the heat recovery mechanism of the rubber cap machine of the utility model, a driving shaft is rotatably penetrated on the top seat, one end of the driving shaft is connected to a driving member, and the driving member is arranged on the top seat.

[0008] According to the heat recovery mechanism of the rubber cap machine of the utility model, the rotating sleeve on the driving shaft is provided with a positive sleeve and a negative sleeve, the positive sleeve is provided with a positive ratchet, the negative sleeve is provided with a negative ratchet, and the driving shaft is unidirectionally rotatably connected with a positive pawl and a negative pawl.

[0009] According to the heat recovery mechanism of the rubber cap machine of the utility model, a first belt is provided between the positive sleeve and the positive rotating shaft, and a second belt is provided between the reverse sleeve and the reverse rotating shaft.

[0010] According to the heat recovery mechanism of the rubber cap machine of the utility model, a plurality of telescopic rods are arranged between the matching plate and the top seat.

[0011] According to the heat recovery mechanism of the rubber cap machine of the utility model, a plurality of the sealing rings cooperate with each other to form a matching hole that is tightly fitted with the side wall of the object to be heat shrunk.

[0012] The purpose of the utility model is to provide a heat recovery mechanism for a rubber cap machine. By setting a heat shrink component, the product can be heat-shrunk by hot air to ensure a good heat shrinking effect, and the hot air can be recovered to reduce heat loss during the heat shrinking process, reduce energy consumption, and save production costs. In addition, the device only requires one drive component to operate, further reducing the cost of use. In summary, the beneficial effects of the utility model are: it can ensure a good heat shrinking effect, and can protect the hot air, reduce heat loss, and save production costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the external structure of the utility model;

[0014] Figure 2 yes Figure 1 A schematic diagram of the enlarged structure of part A;

[0015] Figure 3 It is a side sectional view of the utility model;

[0016] Figure 4 yes Figure 3 A schematic diagram of the enlarged structure of part B;

[0017] In the figure: 1-base, 11-bracket, 12-top seat, 2-heat shrinkage assembly, 21-lifting plate, 22-positive rotation shaft, 23-matching plate, 231-elastic ring, 232-bottom rod, 233-telescopic rod, 24-sealing ring, 241-first connecting rod, 25-heat shrinkage box, 26-bellows, 261-connecting pipe, 27-reverse shaft, 271-slider, 272-second connecting rod, 273-piston, 28-driving shaft, 281-positive sleeve, 282-reverse sleeve, 29-driving member. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0019] See also Figure 1 to Figure 4 The utility model provides a heat recovery mechanism for a rubber cap machine, comprising a base 1 and a heat shrink assembly 2, a top seat 12 is arranged above the base 1, brackets 11 connected to the top seat 12 are arranged at the four corners of the top surface of the base 1, and a heat shrink assembly 2 is arranged below the top seat 12.

[0020] See also Figure 1 to Figure 4The heat shrink assembly 2 includes a lifting plate 21 and a positive rotating shaft 22. The lifting plate 21 is arranged between the base 1 and the top seat 12. A plurality of positive rotating shafts 22 are rotatably penetrated on the top seat 12. The positive rotating shafts 22 all pass through the lifting plate 21. A first circulation groove is provided on the surface of the positive rotating shaft 22. A first guide column cooperating with the first circulation groove is provided on the lifting plate 21. When the plurality of positive rotating shafts 22 rotate synchronously in one direction, the lifting plate 21 can be driven to perform reciprocating lifting and lowering motion. A matching plate 23 is provided above the lifting plate 21, and a plurality of bottom rods 232 passing through the lifting plate 21 are provided on the bottom surface of the matching plate 23. A plurality of sealing rings 24 are slidably provided on the bottom surface of the lifting plate 21. When the plurality of sealing rings 24 cooperate with each other, a matching hole can be formed, and the matching hole can fit tightly with the side wall of the heat-shrinkable object, thereby achieving a sealing effect. The number of sealing rings 24 is the same as the number of bottom rods 232, and a first connecting rod 241 is rotatably provided between the sealing rings 24 and the bottom rods 232 that are close to each other (that is, one end of the first connecting rod 241 is rotatably connected to the sealing ring 24, and the other end of the first connecting rod 241 is rotatably connected to the bottom rod 232). A plurality of springs are provided between the lifting plate 21 and the matching plate 23. When the springs are in a natural state, the plurality of sealing rings 24 do not cooperate.

[0021] See also Figure 1 to Figure 4 A heat shrink box 25 is provided on the top surface of the matching plate 23, and through holes that can cooperate with the heat-shrinkable objects are provided on the matching plate 23 and the lifting plate 21, and an elastic ring 231 is connected between the matching plate 23 and the lifting plate 21, and the two ends of the elastic ring 231 are respectively connected to the lifting plate 21 and the matching plate 23, and the elastic ring 231 is arranged on the outer circle of the through hole, which can ensure a good sealing effect. A bellows 26 is provided on the top surface of the top seat 12, and the bellows 26 is connected to the heat shrink box 25 through a connecting pipe 261. A heating plate (not shown in the figure) is provided in the side wall of the bellows 26, and the heating plate can heat the air in the bellows 26. A piston 273 is slidably provided in the bellows 26, and a reversing shaft 27 is rotatably provided at the end of the piston 273 away from the connecting pipe 261. Two sliders 271 are provided on the reversing shaft 27, and the sliders 271 are both slidably connected to the side wall of the bellows 26. Two second circulation grooves in opposite directions are provided on the surface of the reversing shaft 27, and the two second circulation grooves are matched with the two sliders 271 in a one-to-one manner. The sliders 271 are each provided with a second guide column matched with the second circulation groove, and a second connecting rod 272 is rotatably provided between the slider 271 and the piston 273 (that is, one end of the second connecting rod 272 is rotatably connected to the slider 271, and the other end of the second connecting rod 272 is rotatably connected to the piston 273).

[0022] See also Figure 1 to Figure 3A driving shaft 28 is rotatably provided on the top seat 12, one end of the driving shaft 28 is connected to a driving member 29, and the driving member 29 is arranged on the top seat 12. A positive sleeve 281 and a negative sleeve 282 are rotatably provided on the driving shaft 28. A positive ratchet is provided on the positive sleeve 281, a positive pawl cooperating with the positive ratchet is unidirectionally connected to the driving shaft 28, a negative ratchet is provided on the negative sleeve 282, and a negative ratchet cooperating with the negative ratchet is unidirectionally connected to the driving shaft 28 (torsion springs are provided at the connection between the driving shaft 28 and the positive pawl and at the connection between the driving shaft 28 and the negative pawl), a first belt is provided between the positive sleeve 281 and the positive rotating shaft 22, and a second belt is provided between the negative sleeve 282 and the reverse shaft 27.

[0023] See also Figure 1 to Figure 4 Preferably, elastic pads are provided on the inner side walls of the sealing ring 24 to improve the sealing effect.

[0024] See also Figure 1 to Figure 4 Preferably, the bellows 26, the heat shrink box 25 and the sealing ring 24 are all supported by heat insulating materials, which can reduce heat loss.

[0025] See also Figure 1 to Figure 4 Preferably, the driving member 29 is a rotating motor that can provide sufficient power.

[0026] During the implementation of the utility model, the user places the object to be heat-shrinked on the top surface of the base 1 (or uses a conveyor belt for automatic conveying), starts the driving member 29, and the driving member 29 rotates forward. At this time, the positive ratchet cooperates with the positive pawl, and the reverse ratchet does not cooperate with the reverse pawl. The forward shaft 22 rotates, and the reverse shaft 27 does not rotate. Under the cooperation of the first circulation groove and the first guide column, the lifting plate 21 drives the matching plate 23 to descend, and the telescopic shaft 233 extends. When the telescopic shaft 233 extends to the limit length, the lifting plate 21 continues to descend. At this time, the spring is stretched, and the distance between the lifting plate 21 and the matching plate 23 is stretched, so that the bottom rod 232 is relative to the bottom rod 232. The lifting plate 21 rises, and under the action of the first connecting rod 241, several sealing rings 24 cooperate with each other and tightly abut against the object to be heat-shrinked, and then the driving member 29 reverses. At this time, the positive ratchet does not cooperate with the positive pawl, and the reverse ratchet cooperates with the reverse pawl, the positive shaft 22 does not rotate, and the reverse shaft 27 rotates. The two sliders 271 approach each other, and under the action of the second connecting rod 272, the piston 273 moves, so that the hot air in the bellows 26 enters the heat shrink box 25 for heat shrinkage. After the heat shrinkage is completed, the driving member 29 continues to reverse, and the piston 273 resets, thereby sucking the hot air back into the bellows 26, and the driving member 29 rotates forward to reset the lifting plate 21.

[0027] The utility model provides a heat recovery mechanism for a rubber cap machine. By setting a heat shrink component, the product can be heat-shrunk by hot air to ensure a good heat shrinking effect, and the hot air can be recovered to reduce heat loss during the heat shrinking process, reduce energy consumption, and save production costs. In addition, the device only requires one drive component to operate, further reducing the cost of use. In summary, the beneficial effects of the utility model are: it can ensure a good heat shrinking effect, and can protect the hot air, reduce heat loss, and save production costs.

[0028] Of course, the present invention may have a variety of embodiments. Without departing from the spirit and essence of the present invention, technicians familiar with the field can make corresponding changes and deformations based on the present invention, but these corresponding changes and deformations should all fall within the scope of protection of the claims attached to the present invention.

Claims

1. A heat recovery mechanism for a rubber cap machine, characterized in that: include: A base, with a top seat arranged on top; The heat shrink assembly comprises a lifting plate and a positive rotating shaft, wherein the lifting plate is arranged between the base and the top seat, and a plurality of positive rotating shafts are rotatably provided on the top seat, and a first circulation groove cooperating with the lifting plate is provided on the positive rotating shaft, and a matching plate is elastically connected above the lifting plate, and a plurality of bottom rods passing through the lifting plate are provided on the bottom surface of the matching plate, and a plurality of sealing rings are slidably provided on the bottom surface of the lifting plate, and a first connecting rod is rotatably provided between adjacent sealing rings and the bottom rods, a heat shrink box is provided on the top surface of the matching plate, and a bellows connected to the heat shrink box is provided on the top surface of the top seat, and a heating plate is provided in the side wall of the bellows, and a piston is slidably provided in the bellows, and a reversing shaft is rotatably provided on one side of the piston, and two sliders and two second circulation grooves are provided on the reversing shaft, and a second connecting rod is rotatably provided between the slider and the piston.

2. The heat recovery mechanism of the rubber cap machine according to claim 1 is characterized in that: A driving shaft is rotatably provided on the top seat, one end of the driving shaft is connected to a driving member, and the driving member is arranged on the top seat.

3. The heat recovery mechanism of the rubber cap machine according to claim 2 is characterized in that: The rotating sleeve on the driving shaft is provided with a positive sleeve and a reverse sleeve, the positive sleeve is provided with a positive ratchet, the reverse sleeve is provided with a reverse ratchet, and the driving shaft is unidirectionally rotatably connected with a positive pawl and a reverse pawl.

4. The heat recovery mechanism of the rubber cap machine according to claim 3 is characterized in that: A first belt is arranged between the positive sleeve and the positive rotating shaft, and a second belt is arranged between the reverse sleeve and the reverse rotating shaft.

5. The heat recovery mechanism of the rubber cap machine according to claim 1, characterized in that: A plurality of telescopic rods are arranged between the matching plate and the top seat.

6. The heat recovery mechanism of the rubber cap machine according to claim 1, characterized in that: A plurality of the sealing rings cooperate with each other to form a matching hole that fits tightly with the side wall of the object to be heat-shrunk.

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