A kind of anti-aging V-belt and its production equipment

By using rubber materials with specific ratios and a mixer with cooling runners, aging-resistant V-band is prepared, which solves the problem of aging of existing V-bands in high temperatures and lubricating oils containing additives, achieving longer service life and higher safety.

CN119039714BActive Publication Date: 2025-03-04ZHEJIANG NEIGER BELT CO LTD
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Patent Information

Application Number
CN202411535985.8
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Priority Date
2024-07-22
Filing Date
2024-10-31
Publication Date
2025-03-04
Estimated Expiration
2044-10-31

AI Technical Summary

Technical Problem

The existing V-bands are prone to thermal oxygen aging in high temperatures and lubricating oils containing additives, resulting in a decrease in service life and may even cause safety accidents and economic losses.

Method used

Aging-resistant V-belt made of acrylate rubber, chlorinated polyethylene rubber, ethylene propylene ternary rubber and other materials is used, and the glue discharge temperature and vulcanization conditions are controlled through specific production processes and equipment, such as a dense mixer with cooling runners, to improve the heat, oil and thermal oxygen aging performance of V-belts.

Benefits of technology

It improves the overall performance of V-band, extends its service life, reduces production costs, and enhances safety, avoiding safety accidents and economic losses caused by V-band aging.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention belongs to the technical field of V-belts, and particularly relates to an anti-aging V-belt and a production device thereof; wherein the V-belt is made of the following raw materials in parts by weight: 15 to 42 parts of acrylate rubber; 15 to 62 parts of chlorinated polyethylene rubber; 15 to 41 parts of ethylene propylene diene monomer rubber; 0.6 to 1.3 parts of sulfur; 3 to 6 parts of magnesium oxide; 1.5 to 2.2 parts of vulcanization accelerator, 1.8 to 3.2 parts of zinc oxide; 52 to 62 parts of reinforcing agent; 15 to 20 parts of softener; 3 to 5 parts of tackifying resin; 1.5 to 2 parts of antioxidant; 2-10 parts of colorant; wherein the vulcanization accelerator can be 2,2'-dibenzothiazole disulfide accelerator and triazine as the vulcanization accelerator, and the softener can be pine tar, tall oil or poly(butylene adipate); by adding the chlorinated polyethylene rubber, the compatibility of the acrylate rubber and the ethylene propylene diene monomer rubber is improved, thereby ensuring the overall use performance of the produced V-belt.
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Description

Technical Field

[0001] The invention belongs to the technical field of V-belts, and in particular relates to an anti-aging V-belt and production equipment thereof. Background Art

[0002] Among V-belts that transmit power through friction transmission, there are two types: the cut-edge type in which the rubber layer on the friction transmission surface is exposed, and the cloth-covered type in which the friction transmission surface is covered with a covering cloth. These V-belts are used separately according to the difference in the surface properties of the friction transmission surface and the purpose. These V-belts are used in a wide range of fields such as automobiles and industrial machinery. Due to the increase in transmission capacity and the enlargement of equipment, they are used under high loads.

[0003] Most V-belt products on the market need to work for a long time in high temperature, lubricating oil containing various additives or various organic and inorganic solvents. Under such conditions, the common V-belts made of natural rubber will be aged by heat and oxygen due to the structural characteristics of natural rubber itself, resulting in a significant reduction in its service life; or the strength will be reduced due to the swelling effect of oil, resulting in deformation or even breakage, causing safety accidents and economic losses. Summary of the invention

[0004] The object of the present invention is to provide an aging-resistant V-belt and equipment for producing the V-belt in view of the above-mentioned technical problems.

[0005] In view of this, the present invention provides an anti-aging V-belt, which is made of the following raw materials in parts by weight:

[0006] Acrylic rubber 15 to 42 parts;

[0007] 15 to 62 parts of chlorinated polyethylene rubber;

[0008] 15 to 41 parts of EPDM rubber;

[0009] Sulfur 0.6 to 1.3 parts;

[0010] 3 to 6 parts of magnesium oxide;

[0011] Vulcanization accelerator 1.5 to 2.2 parts,

[0012] Zinc oxide 1.8 to 3.2 parts;

[0013] booster 52 to 62 parts;

[0014] 15 to 20 parts of softener;

[0015] 3 to 5 parts of tackifying resin;

[0016] 1.5 to 2 parts of antioxidant;

[0017] 2-10 parts of colorant;

[0018] The vulcanization accelerator may be 2,2'-dibenzothiazole disulfide accelerator and triazines, and the softener may be pine tar, tall oil or poly(propylene (butyl) adipate.

[0019] In the above technical solution, further, the method for preparing the V-belt comprises the following steps:

[0020] S1, putting acrylic rubber, EPDM rubber and chlorinated polyethylene rubber into an open mill for mixing to obtain a rubber mixture;

[0021] S2, putting the mixed rubber into an internal mixer, and then adding vulcanization accelerator, magnesium oxide, zinc oxide, reinforcing agent, softener, tackifying resin, antioxidant and colorant in sequence, mixing evenly, and draining the rubber;

[0022] S3. Put the mixed rubber discharged from the rubber mill into an open mixer and add sulfur to mix it. After mixing evenly, cut it into sheets to make a V-belt.

[0023] In the above technical solution, further, in step S2, the debinding temperature is controlled below 80°C; the reinforcing agent is highly wear-resistant carbon black; the tackifying resin is tert-butyl phenolic resin among phenolic resins; and the antioxidant can be a 2246 type phenolic antioxidant.

[0024] A production device suitable for the above-mentioned aging-resistant V-belt, wherein the internal mixer in step S2 comprises:

[0025] a base with feet at the bottom of the base;

[0026] The internal mixer casing is arranged on the base, and an internal mixer chamber is formed in the internal mixer casing;

[0027] A cooling channel is formed in the mixer housing and extends out of the mixer housing on both sides;

[0028] Rotors, two rotors are arranged in the mixing chamber;

[0029] End sealing covers, two end sealing covers are arranged at both ends of the mixer housing;

[0030] The two ends of the mixer housing are formed with through holes connected to the mixer chamber, the upper part of the mixer housing is formed with a feed port connected to the mixer chamber, two end sealing covers are respectively arranged on the through holes, and the interior of the end sealing covers is connected to the cooling channel.

[0031] In the above technical solution, further, the internal mixer housing comprises:

[0032] The mixing outer shell is formed by buckling two upper and lower half shells;

[0033] A banburying inner shell, the banburying inner shell is arranged in the banburying outer shell, and a banburying chamber is formed in the banburying inner shell;

[0034] A plurality of evenly distributed positioning ribs are formed on the outer wall of the internal mixing shell, a positioning groove matched with the positioning ribs is formed on the inner wall of the external mixing shell; and a cooling channel is formed between the external mixing shell and the internal mixing shell.

[0035] In the above technical solution, further, the cooling channel includes:

[0036] Axial flow channels, wherein a plurality of axial flow channels are evenly distributed between the internal mixing shell and the internal mixing shell, and the axial flow channels do not extend beyond the end surfaces of the internal mixing shell and the internal mixing shell, and the axial flow channels are arranged away from the feed port;

[0037] End connecting flow channels, a plurality of end connecting flow channels are respectively arranged in both ends of the internal mixing outer shell and the internal mixing inner shell, the end connecting flow channels in the same end are respectively connected to two adjacent axial flow channels, and the end connecting flow channels in both ends are alternately distributed, so that the cooling flow channel connection is in a serpentine coiling shape;

[0038] End extension holes, a plurality of end extension holes are respectively arranged on the end surfaces of the inner mixing shell and the outer mixing shell, extend inwardly and communicate with the end connection flow channel.

[0039] The beneficial effects of the present invention are:

[0040] 1. The addition of chlorinated polyethylene rubber improves the compatibility of acrylic rubber and EPDM rubber, thereby ensuring the overall performance of the produced V-belt;

[0041] 2. The setting of the internal mixer with cooling channel can ensure the temperature of rubber discharge, thereby ensuring the plasticity of the discharged mixed rubber, thereby ensuring the overall performance of the produced V-belt;

[0042] 3. The setting of the end sealing cover facilitates the flow rate and hydraulic pressure of the coolant entering the cooling channel, thereby ensuring the cooling effect of the cooling channel. BRIEF DESCRIPTION OF THE DRAWINGS

[0043] Figure 1 It is a structural schematic diagram of the internal mixer in the present invention;

[0044] Figure 2 is a schematic cross-sectional view of the internal mixer of the present invention;

[0045] Figure 3 It is a schematic cross-sectional view of the longitudinal direction of the internal mixer in the present invention;

[0046] Figure 4 It is a schematic diagram of the structure of the cooling channel in the present invention;

[0047] Figure 5 It is a structural schematic diagram of the middle-end voltage regulating component of the present invention;

[0048] Figure 6 is a cross-sectional schematic diagram of the middle-end pressure regulating member of the present invention;

[0049] The markings in the figure are as follows: 1-base, 2-mixing chamber, 3-rotor, 4-mixing outer shell, 6-mixing inner shell, 8-axial flow channel, 9-end connecting flow channel, 10-end extension hole, 11-end sealing shell, 12-end receiving chamber, 13-end sealing plate, 14-end injection nozzle, 15-end connecting hole, 16-end connecting shell, 16a-end limiting ring, 16b-end extension section, 16c-mounting hole, 16d-inner limiting edge, 17-inner adjusting shell, 17a-end connecting part, 17b-end extension part, 17c-placement hole, 17d-end supporting edge, 17e-side connecting groove, 18-inner floating core, 18a-floating cylinder, 18b-floating head, 18c-connecting column, 18d-limiting groove, 19-floating spring, 20-outer limiting sealing ring, 21-check valve assembly. DETAILED DESCRIPTION

[0050] The following will be combined with the drawings in the embodiments of the present application to clearly describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments in the present application belong to the scope of protection of this application.

[0051] Embodiment 1:

[0052] This embodiment provides an anti-aging V-belt, which is made of the following raw materials in parts by weight:

[0053] Acrylic rubber 20 parts; Chlorinated polyethylene rubber 60 parts; EPDM rubber 19 parts; Sulfur 0.7 parts; Magnesium oxide 3 parts; Vulcanization accelerator 1.7 parts, Zinc oxide 1.8 parts; Strengthening agent 55 parts; Softening agent 18 parts; Tackifying resin 4 parts; Anti-aging agent 1.5 parts; Colorant 3 parts;

[0054] The vulcanization accelerator can be 2,2'-dibenzothiazole disulfide accelerator and triazine as vulcanization accelerator, the softener can be pine tar, tall oil or poly(butylene) adipate; the reinforcing agent is high wear-resistant carbon black; the tackifying resin is tert-butyl phenolic resin in phenolic resin; the antioxidant can be 2246 type phenolic antioxidant.

[0055] The method for preparing a V-belt comprises the following steps:

[0056] S1, putting acrylic rubber, EPDM rubber and chlorinated polyethylene rubber into an open mill for mixing to obtain a rubber mixture;

[0057] S2, putting the mixed rubber into an internal mixer, and then adding vulcanization accelerator, magnesium oxide, zinc oxide, reinforcing agent, softener, tackifying resin, antioxidant and colorant in sequence, mixing evenly, and draining the rubber;

[0058] S3. Put the mixed rubber discharged from the rubber mill into an open mixer and add sulfur to mix it. After mixing evenly, cut it into sheets to make a V-belt.

[0059] In step S2, the debinding temperature is controlled at 75°C.

[0060] The performance indicators of the obtained rubber compound are as follows: vulcanization conditions: temperature 150℃, time 15 minutes. Tensile strength 16.5MPa, elongation at break 546%. 300% tensile strength 7.1MPa, permanent deformation 22.5%, tensile strength change rate before and after aging at 130℃×7d 16%, elongation at break change rate before and after aging at 130℃×7d 18%.

[0061] The addition of chlorinated polyethylene rubber improves the compatibility of acrylic rubber and EPDM rubber, improves the blending effect, makes the rubber mixing process and vulcanization process simpler, and improves the processing performance of the V-belt. At the same time, due to the uniform mixing of the ternary blend, the three types of rubber are fully utilized in the system, further improving the heat resistance, oil resistance and thermal oxidation aging performance of the vulcanized rubber. The vulcanization accelerator is 2, 2'-dithiodibenzothiazole accelerator, which makes the vulcanization speed faster, the compression permanent deformation of the vulcanized rubber is smaller, the strength is high and no secondary vulcanization is required, and the production efficiency of the cloth rubber is improved, reducing the production cost of the V-belt. High wear-resistant carbon black can increase wear resistance and improve the adhesion between various materials. The 2246 type phenolic antioxidant can increase the antioxidant property of the colorant and prevent the colorant from changing color during the production process; and the discharge temperature is controlled below 80°C to prevent cross-linking or branching reactions, thereby ensuring the plasticity of the discharged mixed rubber, thereby ensuring the overall performance of the produced V-belt.

[0062] Embodiment 2:

[0063] The present embodiment provides an aging-resistant V-belt, which is made of the following raw materials in parts by weight: 30 parts of acrylic rubber; 29 parts of chlorinated polyethylene rubber; 41 parts of ethylene propylene rubber; 1 part of sulfur; 5.7 parts of magnesium oxide; 2 parts of vulcanization accelerator, 3 parts of zinc oxide; 59 parts of reinforcing agent; 16 parts of softener; 4 parts of tackifying resin; 2 parts of antioxidant; 7 parts of colorant; wherein the vulcanization accelerator can be 2,2'-dithiodibenzothiazole accelerator and triazine as vulcanization accelerator, the softener can be pine tar, tall oil or poly(butylene) adipate; the reinforcing agent is high wear-resistant carbon black; the tackifying resin is tert-butyl phenolic resin in phenolic resin; the antioxidant can be 2246 type phenolic antioxidant.

[0064] The method for preparing a V-belt comprises the following steps:

[0065] S1, putting acrylic rubber, EPDM rubber and chlorinated polyethylene rubber into an open mill for mixing to obtain a rubber mixture;

[0066] S2, putting the mixed rubber into an internal mixer, and then adding vulcanization accelerator, magnesium oxide, zinc oxide, reinforcing agent, softener, tackifying resin, antioxidant and colorant in sequence, mixing evenly, and draining the rubber;

[0067] S3. Put the mixed rubber discharged from the rubber mill into an open mixer and add sulfur to mix it. After mixing evenly, cut it into sheets to make a V-belt.

[0068] In step S2, the debinding temperature is controlled at 60°C.

[0069] The performance indicators of the obtained rubber compound are as follows: vulcanization conditions: temperature 150℃, time 15 minutes. Tensile strength 16.4MPa, elongation at break 552%. 300% tensile strength 6.9MPa, permanent deformation 23.5%, tensile strength change rate before and after aging at 130℃×7d 16%, elongation at break change rate before and after aging at 130℃×7d 16%.

[0070] Example 3

[0071] This embodiment provides a production device suitable for the above-mentioned anti-aging V-belt, wherein the internal mixer in step S2 comprises:

[0072] A base 1, wherein the bottom of the base 1 is provided with a support foot;

[0073] The internal mixer casing is arranged on the base 1, and an internal mixer chamber 2 is formed in the internal mixer casing;

[0074] A cooling channel is formed in the mixer housing and extends out of the mixer housing on both sides;

[0075] Rotors 3, two rotors 3 are arranged in the mixing chamber 2;

[0076] End sealing covers, two end sealing covers are arranged at both ends of the mixer housing;

[0077] The two ends of the mixer casing are formed with through holes connected to the mixer chamber 2, the upper part of the mixer casing is formed with a feed port connected to the mixer chamber 2, two end sealing covers are respectively arranged on the through holes, and the interior of the end sealing covers is connected to the cooling channel.

[0078] In the present technical scheme, a cooling channel is formed in the mixer casing and surrounds the sealing chamber. The cooling liquid is transported into the cooling channel to cool the sealing chamber, thereby ensuring that the temperature of the glue discharge is within a controllable range. At the same time, the operating temperature of the mixer can also be ensured, ensuring that the mixer can work normally to meet production needs; and the setting of the end sealing cover can close the sealing chamber, and the connection of the cooling channel can be ensured through the setting of the end sealing cover, thereby ensuring the stability of the coolant entering and exiting the cooling channel.

[0079] Embodiment 4:

[0080] This embodiment provides a production device for aging-resistant V-belts, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0081] The mixer housing includes:

[0082] The mixing outer shell 4 is formed by buckling two upper and lower half shells;

[0083] The internal mixing shell 6 is arranged in the external mixing shell 4, and the internal mixing chamber 2 is formed in the internal mixing shell 6;

[0084] A number of evenly distributed positioning ribs are formed on the outer wall of the internal kneading shell 6, and a positioning groove cooperating with the positioning ribs is formed on the inner wall of the external kneading shell 4; and a cooling channel is formed between the external kneading shell 4 and the internal kneading shell 6.

[0085] In the present technical solution, the internal mixing outer shell 4 is formed by two upper and lower half shells that are buckled together to facilitate the installation of the internal mixing inner shell, and the two half shells are buckled together and fixed in a detachable manner such as bolts; the internal mixing casing is composed of the internal mixing outer shell 4 and the internal mixing inner shell 6, so that the processing and forming of the cooling channel can be facilitated; and the setting of the positioning ribs and the positioning grooves can facilitate the installation of the internal mixing inner shell 6 into the internal mixing outer shell 4 to prevent the misalignment of the internal mixing inner shell 6.

[0086] Embodiment 5:

[0087] This embodiment provides a production device for aging-resistant V-belts, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0088] The cooling channel comprises:

[0089] Axial flow channels 8, a plurality of axial flow channels 8 are evenly distributed between the banburying outer shell 4 and the banburying inner shell 6, the axial flow channels 8 do not extend out of the end surfaces of the banburying outer shell 4 and the banburying inner shell 6, and the axial flow channels 8 are arranged away from the feed port;

[0090] End connecting flow channels 9, a plurality of end connecting flow channels 9 are respectively arranged in both ends of the banbury outer shell 4 and the banbury inner shell 6, the end connecting flow channels 9 in the same end are respectively connected to two adjacent axial flow channels 8, and the end connecting flow channels 9 in both ends are alternately distributed, so that the cooling flow channel connection is in a serpentine coiling shape;

[0091] End extension holes 10 , a plurality of end extension holes 10 are respectively arranged on the end surfaces of the internal mixing outer shell 4 and the internal mixing inner shell 6 and extend inwardly and communicate with the end connection flow channel 9 .

[0092] In the present technical solution, the setting of the axial flow channel 8 can ensure that the cooling flow channel is more evenly distributed in the internal mixer casing, thereby ensuring the cooling effect of the cooling flow channel; and the setting of the end connecting flow channel 9 makes the axial flow channel 8 connected to form a complete channel, thereby ensuring that the cooling flow channel can better surround the sealing chamber; and the setting of the end extension hole 10 can facilitate the injection and discharge of the coolant.

[0093] Embodiment 6:

[0094] This embodiment provides a production device for aging-resistant V-belts, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0095] End seal covers include:

[0096] End sealing shell 11;

[0097] An end receiving chamber 12, the end receiving chamber 12 extends from one end surface of the end sealing shell 11 to the inside of the end sealing shell 11;

[0098] An end sealing plate 13, which is disposed on one end surface of the end sealing shell 11 with the end receiving chamber 12 and seals the end receiving chamber 12;

[0099] An end injection nozzle 14, wherein a plurality of end injection nozzles 14 are evenly distributed on the end sealing plate 13 according to the circumference, and the end injection nozzles 14 are communicated with the end receiving chamber 12;

[0100] The end connection hole 15 is arranged on the side wall of the end sealing shell 11, and the end connection hole 15 is communicated with the end receiving chamber 12;

[0101] The end sealing shell 11 is fixedly connected to the mixing outer shell 4 and the mixing inner shell 6 by bolts respectively, the end sealing plate 13 is fixed to the end sealing shell 11 by bolts, and the number of end injection nozzles 14 is equal to the number of end extension holes 10 at the end where the end sealing cover is located, and the end injection nozzles 14 extend into the end extension holes 10; an end pressure regulating part is arranged in the end injection nozzle 14 in the end sealing cover located at one end of the mixing outer shell 4 and the mixing inner shell 6, and a one-way valve assembly 21 is arranged in the end injection nozzle 14 in the end sealing cover at the other end of the mixing outer shell 4 and the mixing inner shell 6.

[0102] In the present technical scheme, an axial hole is formed on the end sealing shell 11 of the end sealing cover with a one-way valve assembly 21, and one end of the rotor 3 extends through the axial hole, so as to facilitate the connection between the drive motor and the rotor 3; the end sealing shell 11 in the end sealing cover with an end pressure regulating piece is closed, and a bearing groove is formed on the side close to the internal mixer casing, and a bearing supporting the rotor 3 is arranged in the bearing groove; the setting of the end receiving chamber 12 can play a good receiving role for the coolant entering or discharging the cooling channel; the setting of the end injection nozzle 14 can facilitate the connection with the end extension hole 10, and the setting of the end connection hole 15 is used to connect with an external cooling source, so as to facilitate the entry and discharge of the coolant; wherein the end injection nozzle 14 in the end sealing cover located at one end of the internal mixer outer shell 4 and the internal mixer inner shell 6 is provided with an end pressure regulating The components can adjust the pressure of the coolant entering the cooling channel at different temperatures, thereby ensuring the cooling effect, and ensuring the stability of the coolant entering each end injection nozzle 14 from the end receiving chamber 12, avoiding the situation where too much or too little coolant enters each end injection nozzle 14, so as to achieve the goal of evenly distributing the coolant to each end injection nozzle 14 through an end connecting hole 15; a one-way valve assembly 21 is arranged in the end injection nozzle 14 in the end sealing cover at the other end of the banburying outer shell 4 and the banburying inner shell 6, so as to prevent the backflow of the coolant; and the end sealing shell 11 is fixedly connected to the banburying outer shell 4 and the banburying inner shell 6 respectively by bolts, so as to ensure the stability of the connection of the end sealing shell 11, and at the same time, the banburying outer shell 4 and the banburying inner shell 6 can be reinforced by the end sealing shell 11.

[0103] Embodiment 7:

[0104] This embodiment provides a production device for aging-resistant V-belts, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0105] The end pressure regulator includes:

[0106] An end connection shell 16, the end connection shell 16 is fixedly disposed on the end injection nozzle 14;

[0107] An inner adjustment shell 17, the inner adjustment shell 17 is threadedly connected in the end connection shell 16;

[0108] An inner floating core 18, which is disposed in the inner adjustment shell 17 and has one end extending out to connect with the shell 16;

[0109] A floating spring 19 is sleeved on the inner floating core 18, and one end of the floating spring 19 is against the inner adjustment shell 17;

[0110] The outer limit sealing ring 20 is sleeved on one side of the connecting shell 16 at the end where the inner floating core 18 extends out.

[0111] In the present technical solution, the end connecting shell 16 facilitates the installation and fixation of the end pressure regulating part as a whole, the inner adjusting shell 17 is used to limit and support the inner floating core 18, and the setting of the floating spring 19 enables the inner floating core 18 to be elastically supported in the end connecting shell 16, and the setting of the outer limiting sealing ring 20 can play the role of sealing the end connecting shell 16 and limiting the separation of the inner floating core 18; and the setting of the inner floating core 18 plays the role of regulating the hydraulic pressure of the coolant entering the cooling channel, thereby ensuring the speed of the coolant entering and exiting the cooling channel.

[0112] Embodiment 8:

[0113] This embodiment provides a production device for aging-resistant V-belts, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0114] The end connection shell 16 comprises:

[0115] An end stop ring 16a, the end stop ring 16a butts against the end surface of the end injection nozzle 14;

[0116] An end extension section 16b, which is in the shape of a regular polygon and extends into the end injection nozzle 14;

[0117] A mounting hole 16c, the mounting hole 16c passes through the end limiting ring 16a and the end extension section 16b;

[0118] Inner limit edge 16d: a protruding annular inner limit edge 16d is formed in the mounting hole 16c and on one side close to the end limit ring 16a;

[0119] The inner floating core 18 is slidably matched with the inner limit edge 16d and abuts against the inner limit edge 16d through the outer limit sealing ring 20.

[0120] In the present technical solution, the end limiting ring 16a is used to limit the end connecting shell 16, and the end connecting shell 16 is welded and fixed to the end injection nozzle 14 through the end limiting ring 16a; and the regular polygonal end extension section 16b can prevent the end connecting shell 16 from being offset or rotated; the setting of the mounting hole 16c can facilitate the installation of the inner adjustment shell 17, and the setting of the inner limiting edge 16d can be used to cooperate with the outer limiting sealing ring 20 on the inner floating core 18 to prevent the inner floating core 18 from being separated from the end connecting shell 16, and can also play the effect of blocking the mounting hole 16c.

[0121] Embodiment 9:

[0122] This embodiment provides a production device for aging-resistant V-belts, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0123] The inner adjustment housing 17 comprises:

[0124] An end connection portion 17a, the end connection portion 17a is threadedly connected in the mounting hole 16c and abuts against the inner limit edge 16d;

[0125] An end extension portion 17b, the end extension portion 17b is integrally formed on an end of the end connection portion 17a away from the inner limit edge 16d;

[0126] A placement hole 17c, which is coaxially disposed in the end connection portion 17a and extends from the end surface of the end connection portion 17a to the end extension portion 17b;

[0127] The end support edge 17d is integrally formed on the end surface of the end connection portion 17a, and a hole communicating with the placement hole 17c is formed in the middle of the end support edge 17d, and the end support edge 17d can be screwed and fixed on the end surface of the end connection portion 17a;

[0128] Side connecting grooves 17e, a plurality of side connecting grooves 17e are evenly distributed on the side wall of the end extension portion 17b and communicate with the mounting hole 16c;

[0129] A plurality of evenly distributed extension holes are provided on the side of the end sealing shell 11 with the end pressure regulating member away from the end sealing plate 13, and an end sealing cover is extended out through the end extension hole 10 on the side of the end extension portion 17b away from the end connecting portion 17a, and a plurality of annular grooves are formed on the part where the end extension portion 17b cooperates with the extension hole, and a sealing ring is provided on the annular groove.

[0130] In the present technical solution, the setting of the end connection portion 17a can facilitate the connection between the inner adjustment shell 17 and the end connection shell 16; and the setting of the end extension portion 17b can lengthen the length of the inner adjustment shell 17, thereby increasing the space of the placement hole 17c; and the setting of the placement hole 17c can facilitate the insertion of the inner floating core 18, and the setting of the side connection groove 17e can facilitate the coolant to enter the placement hole 17c, and then pass through the hole of the end support edge 17d, lift up the inner floating core 18, and then flow out from the gap between the mounting hole 16c and the inner floating core 18.

[0131] Embodiment 10:

[0132] This embodiment provides a production device for aging-resistant V-belts, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0133] The inner floating core 18 comprises:

[0134] The floating cylinder portion 18a is disposed in the placement hole 17c, the outer wall of the floating cylinder portion 18a is stepped and the end with a smaller diameter is disposed toward the end support edge 17d, and the two ends of the floating cylinder portion 18a are connected;

[0135] A floating head 18b, which extends from the outer side of the inner limit edge 16d into the mounting hole 16c, and the floating head 18b is slidably matched with the inner wall of the inner limit edge;

[0136] A connecting column 18c, wherein a plurality of connecting columns 18c are evenly distributed along a circumference between the connecting floating head 18b and the floating cylinder portion 18a, and a flow gap is formed between adjacent connecting columns 18c;

[0137] Limiting groove 18d: a limiting groove 18d is provided on the side wall of the floating head 18b;

[0138] The outer limit sealing ring 20 is clamped on the limit groove 18d and cooperates with the inner limit edge 16d; the floating spring 19 is arranged in the placement hole 17c and one end abuts against the end surface of the floating cylinder part 18a, and the other end abuts against the end support edge 17d.

[0139] In the present technical scheme, the floating cylinder portion 18a is slidably matched with the inner wall of the mounting hole 17c, the floating head 18b extends from the outer side of the inner limit edge 16d into the mounting hole 16c and is connected to the floating sleeve through the connecting column 18c, and the floating head 18b is prevented from moving into the inner side of the inner limit edge 16d and into the mounting hole 16c under the action of the outer limit sealing ring 20, and the setting of the floating spring 19 enables the floating head 18b to elastically close the inner limit edge 16d, and at the same time, compress or relax the floating spring 19 by adjusting the distance that the end connecting portion 17a is screwed into the mounting hole 16c, thereby adjusting the hydraulic pressure of the floating head 18b, and then adjusting the hydraulic pressure and flow rate entering the cooling channel; the cross-section of the limit groove 18d is arc-shaped, and the angle of the arc is 220°-230°, thereby ensuring the installation strength of the outer limit sealing ring 20 and preventing it from detaching. The gap between the inner floating core 18 and the mounting hole 16c is related to the pressure of the coolant entering the end sealing cover and the tightness of the floating spring 19. By adjusting the hydraulic pressure of the coolant and the tightness of the floating spring 19, the gap between the inner floating core 18 and the mounting hole 16c can be adjusted, thereby adjusting the hydraulic pressure and flow rate of the coolant entering the cooling channel.

[0140] Embodiment 11:

[0141] This embodiment provides a production device for aging-resistant V-belts, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0142] Also includes:

[0143] An external regulating mechanism, which is arranged outside the end sealing shell 11 with the end pressure regulating member;

[0144] The external regulatory agencies include:

[0145] A center adjustment gear, which is freely rotatable and fixed on the end surface of the end sealing shell 11;

[0146] A driven adjustment gear, where the end of each end extension portion 17b extending out of the extension hole is fixedly provided with a driven adjustment gear, and the driven adjustment gear is meshed with the central adjustment gear;

[0147] The adjusting motor is arranged on the end sealing shell 11 through a frame, and the adjusting motor drives the central adjusting gear to rotate.

[0148] In the present technical solution, the center adjusting gear rotates under the drive of the adjusting motor, thereby achieving the effect of driving the driven adjusting gear to rotate. During the rotation of the driven adjusting gear, the end extension part 17b will be driven to rotate, thereby adjusting the distance that the end connecting part 17a is screwed into the mounting hole 16c, and then adjusting the preload force of the floating spring 19; so as to realize automatic adjustment of the hydraulic pressure and flow rate of the coolant entering the cooling channel.

[0149] Embodiment 12:

[0150] This embodiment provides a production device for aging-resistant V-belts, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0151] Also includes:

[0152] A cooling pump, the outlet of the cooling pump is connected to the end connection hole 15 on the end sealing cover with the end pressure regulating piece through a pipeline;

[0153] A cooling return water tank, the inlet end of which is connected to the end connection hole 15 on the end sealing cover of the belt valve assembly through a pipeline;

[0154] A circulation pipeline, both ends of which are connected to the inlet of the cooling pump and the outlet of the cooling return water tank;

[0155] Flow sensors are provided on the pipe connected to the outlet of the cooling pump and the pipe connected to the inlet of the cooling water tank;

[0156] Temperature sensors are provided on the pipe connected to the outlet of the cooling pump and the pipe connected to the inlet of the cooling water tank.

[0157] In the present technical scheme, it also includes an external control cabinet, which is equipped with a controller and circuits, and the regulating motor and cooling pump are both programmed and controlled by the controller; the flow sensor and the temperature sensor transmit the detected data to the controller; a condensation component is provided in the cooling return water tank, and the coolant is cooled by the condensation component, and then the coolant is transported to the cooling channel by the cooling pump; the output power of the cooling pump is adjusted according to the temperature of the coolant entering and flowing out of the cooling channel detected by the temperature sensor, and the flow sensor is used to feedback the flow rate of the coolant entering and flowing out of the cooling channel.

[0158] The embodiments of the present application are described above in conjunction with the accompanying drawings. In the absence of conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present application is not limited to the above-mentioned specific implementation methods. The above-mentioned specific implementation methods are merely illustrative and not restrictive. Under the guidance of the present application, ordinary technicians in this field can also make many forms without departing from the purpose of the present application and the scope of protection of the claims, all of which are within the protection of the present application.

Claims

1. A production equipment for aging-resistant V-belts, characterized in that: include: A base (1), wherein the base (1) has a support foot at the bottom; An internal mixer casing, the internal mixer casing being arranged on a base (1), and a internal mixer chamber (2) being formed in the internal mixer casing; A cooling channel, wherein the cooling channel is formed in the mixer housing and extends out of the mixer housing; Rotors (3), two of the rotors (3) are arranged in the mixing chamber (2); End sealing covers, two of which are arranged at the two ends of the mixer housing; The two ends of the internal mixer housing are formed with through holes communicating with the internal mixer chamber (2), the upper part of the internal mixer housing is formed with a feed port communicating with the internal mixer chamber (2), two end sealing covers are respectively arranged on the through holes, and the interior of the end sealing covers is communicated with the cooling channel; The internal mixer housing comprises: A mixing outer shell (4), wherein the mixing outer shell (4) is formed by buckling two upper and lower half shells; A banburying inner shell (6), wherein the banburying inner shell (6) is arranged inside the banburying outer shell (4), and the banburying chamber (2) is formed inside the banburying inner shell (6); A plurality of evenly distributed positioning ribs are formed on the outer wall of the internal kneading shell (6), and a positioning groove cooperating with the positioning ribs is formed on the inner wall of the external kneading shell (4); and the cooling channel is formed between the external kneading shell (4) and the internal kneading shell (6); The cooling channel comprises: Axial flow channels (8), wherein a plurality of the axial flow channels (8) are evenly distributed between the banburying outer shell (4) and the banburying inner shell (6), and the axial flow channels (8) do not extend beyond the end surfaces of the banburying outer shell (4) and the banburying inner shell (6); End connecting flow channels (9), wherein a plurality of the end connecting flow channels (9) are respectively arranged in the two ends of the internal mixing outer shell (4) and the internal mixing inner shell (6), the end connecting flow channels (9) in the same end are respectively connected to two adjacent axial flow channels (8), and the end connecting flow channels (9) in the two ends are alternately distributed, so that the cooling flow channels are connected in a serpentine coiled shape; End extension holes (10), wherein a plurality of the end extension holes (10) are respectively arranged on the end surfaces of the internal kneading outer shell (4) and the internal kneading inner shell (6), extend inwardly and communicate with the end connection flow channel (9); The end sealing cover comprises: End sealing shell (11); An end receiving chamber (12), wherein the end receiving chamber (12) extends from an end surface of one side of the end sealing shell (11) into the end sealing shell (11); An end sealing plate (13), the end sealing plate (13) being arranged on an end surface of one side of the end sealing shell (11) with the end receiving chamber (12) and sealing the end receiving chamber (12); An end injection nozzle (14), wherein a plurality of the end injection nozzles (14) are evenly distributed on the end sealing plate (13) along a circumference, and the end injection nozzles (14) are connected to the end receiving chamber (12); An end connection hole (15), wherein the end connection hole (15) is arranged on a side wall of the end sealing shell (11), and the end connection hole (15) is communicated with the end receiving chamber (12); The end sealing shell (11) is fixedly connected to the banburying outer shell (4) and the banburying inner shell (6) by bolts, the end sealing plate (13) is fixed to the end sealing shell (11) by bolts, the number of the end injection nozzles (14) is equal to the number of the end extension holes (10) at the end where the end sealing cover is located, and the end injection nozzles (14) extend into the end extension holes (10); an end pressure regulating member is arranged in the end injection nozzle (14) in the end sealing cover at one end of the banburying outer shell (4) and the banburying inner shell (6), and a one-way valve assembly (21) is arranged in the end injection nozzle (14) in the end sealing cover at the other end of the banburying outer shell (4) and the banburying inner shell (6); The end pressure regulating member comprises: An end connection shell (16), wherein the end connection shell (16) is fixedly arranged on the end injection nozzle (14); An inner adjustment shell (17), wherein the inner adjustment shell (17) is threadedly connected in the end connection shell (16); An inner floating core (18), wherein the inner floating core (18) is disposed in the inner adjustment shell (17) and one end of the inner floating core extends out of the end connection shell (16); A floating spring (19), wherein the floating spring (19) is sleeved on the inner floating core (18), and one end of the floating spring (19) is against the inner adjustment housing (17); An outer limit sealing ring (20) is sleeved on one side of the end of the inner floating core (18) extending out from the connection shell (16).

Citation Information

Patent Citations

  • Rubber composition, V belt wrapper glue with adoption of rubber composition and preparation method of V belt wrapper glue

    CN104672624A

  • Triangular belt production equipment and forming process thereof

    CN113799285A