Plastic suction mold sealing device capable of preventing air leakage

Abstract

The utility model relates to the field of plastic suction sealing devices, and discloses a plastic suction mold sealing device capable of preventing air leakage, which comprises a lower mold, the outer wall of the lower mold is fixedly connected with a hydraulic cylinder, the top end of the hydraulic cylinder is fixedly connected with a sealing device, and a material ejecting mechanism is arranged in the sealing device. And a fixing mechanism is arranged in the material ejecting mechanism, the material ejecting mechanism comprises a limiting rod, the inner wall of the sealing device is fixedly connected with the limiting rod, and the outer wall of the limiting rod is slidably connected with a supporting plate B. When the sealing rubber strip is abraded and needs to be replaced, the jacking mechanism plays a key role, the rotating rod is rotated, rotating force is converted into linear downward pressure through meshing transmission of the gear at the right end of the rotating rod and the rack on the left side of the supporting plate B, and due to the fact that the limiting rod accurately guides the supporting plate B, workers can rapidly and nondestructively disassemble the old rubber strip conveniently; and the replacement efficiency of the sealing rubber strip is greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to blister sealing device field especially relates to a prevent air leakage's blister mold sealing device. BACKGROUND

[0002] In the blister processing, need through the mould to shape the required plastic product shape. And the main function of sealing device is to ensure that the mould cavity and the outside world form a good sealing environment, so that in the vacuum or pressure operation link, air does not leak, thereby guaranteeing that the blister forming can be smoothly, accurately completed, and shaping high-quality plastic products;

[0003] The existing blister sealing device is usually when the mould is closed, the rubber sealing strip is extruded between the two parts needing sealing, relies on the elastic deformation of itself to fill the gap, prevents air from passing through, thereby reaches the sealing effect;

[0004] But in the actual use process, the sealing strip will be worn in the long time use process, the parting surface becomes uneven or appears scratch etc., which will affect the lamination effect of sealing device, causes the air leakage of sealing, therefore according to the problem proposed above, a kind of blister mold sealing device that prevents air leakage is proposed. UTILITY MODEL CONTENT

[0005] In order to make up for the above shortcomings, the utility model provides a kind of blister mold sealing device that prevents air leakage, to solve the problem of "long time use process, the parting surface becomes uneven or appears scratch etc." in prior art.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme: a kind of blister mold sealing device that prevents air leakage, including lower mould, the outer wall of the lower mould is fixedly connected with hydraulic cylinder, the top of the hydraulic cylinder is fixedly connected with sealing device, the inside of the sealing device is provided with a material pushing mechanism, the inside of the material pushing mechanism is provided with a fixed mechanism, the material pushing mechanism includes limit rod, the inner wall of the sealing device is fixedly connected with limit rod, the outer wall of the limit rod is slidably connected with support plate B, the bottom of the support plate B is fixedly connected with the top rod, the bottom of the top rod penetrates the inner wall bottom of sealing device, the left side of the inner wall of the sealing device is rotatably connected with the rotating rod, the right end of the rotating rod is fixedly connected with gear, the left side of the support plate B is section, the outer wall of the section is fixedly connected with rack.

[0007] As a further description of the above technical scheme: the rack and the gear outer wall tooth contact, the bottom of the sealing device is provided with recess, the inner wall of the recess is inserted with sealing strip.

[0008] As the further description of the above technical solution: the number of the ejector rod is four groups, four groups of the ejector rod are symmetrically arranged at the inner wall four corners of the sealing device, and the bottom of the ejector rod is in contact with the top end of the sealing rubber strip.

[0009] As the further description of the above technical solution: the fixing mechanism comprises an inner rod, the inner wall of the rotating rod is slidably connected with a connecting disc, the inner wall of the connecting disc is fixedly connected with the inner rod, the outer wall of the connecting disc is fixedly connected with a spring A, and the top end of the spring A is fixedly connected to the inner wall of the lower mold.

[0010] As the further description of the above technical solution: the outer wall of the inner rod is fixedly connected with a wedge block A, the inner wall of the rotating rod is slidably connected with a fixing rod, and the bottom of the fixing rod is fixedly connected with a wedge block B.

[0011] As the further description of the above technical solution: the top end of the wedge block B is fixedly connected with a spring B, the number of the wedge block B is two groups, and the top end of the spring B is fixedly connected to the top end of the other group of wedge block B.

[0012] As the further description of the above technical solution: the outer wall of the wedge block A is matched with the outer wall of the wedge block B, and the outer wall right side of the wedge block B is provided with a through port.

[0013] As the further description of the above technical solution: the top of the lower mold is fixedly connected with a supporting plate A, the inner wall of the sealing device is slidably connected to the outer wall of the supporting plate A, the top end of the supporting plate A is fixedly connected with a heating device, the top of the lower mold is provided with a sealing groove, and the inner wall of the sealing groove is matched with the sealing device.

[0014] The utility model has the advantages of the following beneficial effects:

[0015] 1、The utility model discloses a sealing rubber strip replacement device, which comprises a lower mold, a sealing device, a supporting plate B, a rotating rod, a gear, a supporting plate A, a heating device, a sealing groove, a top rod and a limiting rod.

[0016] 2. The utility model discloses a clean soft glue can be installed in the sealing device groove after the material ejecting mechanism ejects the sealing rubber strip. The clean soft glue is tightly attached to the inner wall of the groove by virtue of the elasticity of the high molecular polymer component, and the impurities and dust in the sealing groove are efficiently adsorbed by virtue of the viscosity of the special additive without scratching the surface of the groove. Through thorough cleaning, the utility model effectively prevents air leakage caused by the accumulation of impurities between the sealing rubber strip and the sealing groove, prolongs the service life of the sealing device, reduces the maintenance cost, and ensures the long-term stable sealing performance of the plastic suction mold. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 The utility model discloses a kind of overall structure schematic diagram of the plastic suction mold sealing device of preventing air leakage proposed in the utility model;

[0018] Figure 2 The utility model discloses a kind of sealing device bottom structure schematic diagram of the plastic suction mold sealing device of preventing air leakage proposed in the utility model;

[0019] Figure 3 The utility model discloses a kind of sealing device inner section material ejecting mechanism structure schematic diagram of the plastic suction mold sealing device of preventing air leakage proposed in the utility model;

[0020] Figure 4 The utility model discloses a kind of fixing mechanism structure schematic diagram of the plastic suction mold sealing device of preventing air leakage proposed in the utility model.

[0021] Legend:

[0022] 1, lower mold; 2, sealing groove; 3, hydraulic cylinder; 4, support plate A; 5, heating device; 6, sealing device; 7, material ejecting mechanism; 711, limit rod; 712, support plate B; 713, ejector rod; 714, rack; 715, rotating rod; 716, gear; 8, fixing mechanism; 811, inner rod; 812, connecting disc; 813, spring A; 814, wedge block A; 815, fixed rod; 816, wedge block B; 817, spring B; 9, sealing rubber strip. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0024] Reference Figure 1 - Figure 3The utility model provides an embodiment: a blister mold sealing device that prevents gas leakage, comprising a lower mold 1, the outer wall of lower mold 1 is fixedly connected with hydraulic cylinder 3, the top of hydraulic cylinder 3 is fixedly connected with sealing device 6, the inside of sealing device 6 is provided with material pushing mechanism 7, sealing device 6 is the key to realize mold sealing, prevent gas leakage, its inside is finely provided with material pushing mechanism 7, material pushing mechanism 7 aims at solving the inconvenient problem of replacing sealing rubber strip 9, further improves the maintenance convenience of device, the inside of material pushing mechanism 7 is provided with fixed mechanism 8, material pushing mechanism 7 includes limiting rod 711, the inner wall of sealing device 6 is fixedly connected with limiting rod 711, limiting rod 711 provides accurate orientation for the sliding of subsequent components, guarantees the accuracy of its movement track, the outer wall of limiting rod 711 is slidably connected with support plate B 712, the bottom of support plate B 712 is fixedly connected with jacking rod 713, the bottom of jacking rod 713 penetrates the inner wall bottom of sealing device 6, so as to accurately act on sealing rubber strip 9 when needed, the left side of the inner wall of sealing device 6 is rotatably connected with rotating rod 715, the right end of rotating rod 715 is fixedly connected with gear 716, the left side of support plate B 712 is in section, the outer wall of section is fixedly connected with rack 714, rack 714 and the gear teeth of gear 716 outer wall are in contact, ensure the high efficiency and stability of power transmission, when rotating rod 715 rotates, can accurately drive rack 714 movement, and then drive support plate B 712 to move up and down, the bottom of sealing device 6 is provided with groove, the inner wall of groove is inserted with sealing rubber strip 9, is made of high-quality rubber material with excellent sealing performance, wear resistance, anti-aging, can effectively fill the gap, prevent gas leakage, the number of jacking rod 713 is four groups, four groups of jacking rod 713 are respectively arranged in the inner wall four corners of sealing device 6, the bottom of jacking rod 713 and the top end of sealing rubber strip 9 are in contact, ensure that when ejecting, sealing rubber strip 9 can be evenly stressed, and be smoothly ejected, the top of lower mold 1 is fixedly connected with support plate A 4, the inner wall of sealing device 6 is slidably connected on the outer wall of support plate A 4, the top of support plate A 4 is fixedly connected with heating device 5, the top of lower mold 1 is provided with sealing groove 2, the inner wall of sealing groove 2 is matched with sealing device 6, ensure the tightness of sealing.

[0025] Refer to Figure 4The fixing mechanism 8 comprises an inner rod 811, the inner wall of the rotating rod 715 is slidably connected with a connecting disc 812, the inner wall of the connecting disc 812 is fixedly connected with the inner rod 811, the outer wall of the connecting disc 812 is fixedly connected with a spring A 813, the top end of the spring A 813 is fixedly connected to the inner wall of the lower mold 1, the spring A 813 can provide a stable elastic return force during the operation of the device, and ensure that the relevant parts are timely returned after action, the outer wall of the inner rod 811 is fixedly connected with a wedge block A 814, the inner wall of the rotating rod 715 is slidably connected with a fixed rod 815, the bottom of the fixed rod 815 is fixedly connected with a wedge block B 816, the top end of the wedge block B 816 is fixedly connected with a spring B 817, the number of the wedge block B 816 is two groups, the top end of the spring B 817 is fixedly connected to the top end of the other group of wedge block B 816, the outer wall of the wedge block A 814 is matched with the outer wall of the wedge block B 816, the outer wall of the wedge block B 816 is provided with a through hole on the right side, and the outer wall of the wedge block A 814 is perfectly matched with the outer wall of the wedge block B 816 according to precise geometric design, so that precise mechanical linkage can be realized when they are extruded, and the outer wall of the wedge block B 816 is provided with a through hole on the right side, so that the components can smoothly enter and exit during specific operation.

[0026] Working principle: when in use, the sealing device 6 is pressed down by the hydraulic cylinder 3, and the bottom sealing rubber strip 9 is pressed into the sealing groove 2 of the lower mold 1, so as to seal during vacuum forming. When the sealing rubber strip 9 is worn out, the rotating rod 715 outside the sealing device 6 is rotated, and the inner rod 811 inside the rotating rod 715 is provided. When the inner rod 811 is pressed down, the wedge block A 814 at the top end is extruded against the wedge block B 816. In the extrusion process, the fixed rod 815 at the top end of the wedge block B 816 is retracted into the rotating rod 715. When the inner rod 811 is released, the inner rod 811 is reset under the action of the spring A 813. At the same time, the spring B 817 between the wedge block B 816 pushes out the fixed rod 815 at the top end of the two wedge block B 816, so as to fix and limit the rotating rod 715. The gear 716 at the top end of the rotating rod 715 drives the rack 714 to rotate, so as to drive the supporting plate to press down. When the supporting plate is pressed down, the top rod 713 at the bottom is pressed down to push out the sealing rubber strip 9, so as to facilitate the replacement of the rubber strip by the staff. When the sealing rubber strip 9 is pushed out, a clean soft rubber can be installed in the groove of the sealing device 6. The main components of the clean soft rubber are generally high molecular polymers and some additives with viscosity. It has certain elasticity and viscosity, and will not cause damage to the surface of the cleaned object. The impurities and dust in the sealing groove 2 of the lower mold 1 are treated, and the air leakage between the sealing rubber strip 9 on the sealing device 6 and the sealing groove 2 during vacuum forming is avoided.

[0027] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A blister mold sealing device for preventing air leakage, comprising a lower mold (1), characterized in that: The outer wall of the lower mold (1) is fixedly connected with a hydraulic cylinder (3), the top end of the hydraulic cylinder (3) is fixedly connected with a sealing device (6), the inside of the sealing device (6) is provided with a ejection mechanism (7), the inside of the ejection mechanism (7) is provided with a fixing mechanism (8), the ejection mechanism (7) comprises a limiting rod (711), the inner wall of the sealing device (6) is fixedly connected with a limiting rod (711), the outer wall of the limiting rod (711) is slidably connected with a support plate B (712), the bottom of the support plate B (712) is fixedly connected with a ejector rod (713), the bottom of the ejector rod (713) penetrates the inner wall bottom of the sealing device (6), the left side of the inner wall of the sealing device (6) is rotatably connected with a rotating rod (715), the right end of the rotating rod (715) is fixedly connected with a gear (716), the left side of the support plate B (712) is a section, the outer wall of the section is fixedly connected with a rack (714).

2. A blister mold sealing device for preventing air leakage according to claim 1, wherein: The rack (714) is in contact with the gear teeth on the outer wall of the gear (716), a groove is formed in the bottom of the sealing device (6), and a sealing rubber strip (9) is inserted into the inner wall of the groove.

3. The blister mold sealing device of claim 1, wherein: The number of the ejector rod (713) is four groups, and the four groups of the ejector rod (713) are symmetrically arranged at the inner wall four corners of the sealing device (6), and the bottom of the ejector rod (713) is in contact with the top end of the sealing rubber strip (9).

4. The blister mold sealing device of claim 1, wherein: The fixing mechanism (8) comprises an inner rod (811), the inner wall of the rotating rod (715) is slidably connected with a connecting disc (812), the inner wall of the connecting disc (812) is fixedly connected with an inner rod (811), the outer wall of the connecting disc (812) is fixedly connected with a spring A (813), and the top end of the spring A (813) is fixedly connected to the inner wall of the lower mold (1).

5. A blister mold sealing device for preventing air leaks according to claim 4, wherein: The outer wall of the inner rod (811) is fixedly connected with a wedge block A (814), the inner wall of the rotating rod (715) is slidably connected with a fixing rod (815), and the bottom of the fixing rod (815) is fixedly connected with a wedge block B (816).

6. A blister mold sealing device for preventing air leakage according to claim 5, wherein: The top end of the wedge block B (816) is fixedly connected with a spring B (817), the number of the wedge block B (816) is two groups, and the top end of the spring B (817) is fixedly connected to the top end of the other group of wedge block B (816).

7. A blister mold sealing device for preventing air leakage according to claim 5, wherein: The outer wall of the wedge block A (814) is matched with the outer wall of the wedge block B (816), and a through hole is formed in the right side of the outer wall of the wedge block B (816).

8. The blister mold sealing device of claim 1, wherein: The top of the lower mold (1) is fixedly connected with a support plate A (4), the inner wall of the sealing device (6) is slidably connected to the outer wall of the support plate A (4), the top end of the support plate A (4) is fixedly connected with a heating device (5), the top of the lower mold (1) is provided with a sealing groove (2), and the inner wall of the sealing groove (2) is matched with the sealing device (6).

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