阅读说明：本技术 一种止滑防护手套的生产工艺 (Production process of anti-slip protective gloves ) 是由 章建栋 于 2021-07-27 设计创作，主要内容包括：本发明提供一种止滑防护手套的生产工艺,包括如下步骤：套模、预热、防渗、风干、浸胶、匀胶、表面防滑、一次烘干、泡洗、二次烘干、检验脱模；本发明的工艺产出的手套,通过两次浸胶处理,有效提高胶面的柔软度,防穿刺能力,且提高手套的防寒能力；利用防滑粉喷射在胶面上形成坑洼面,提高止滑效果；喷淋泡洗采用统一清洁水源逐级清洗,保证清洁效果的同时有效节约水资源；烘干炉采用S形回转烘干,延长烘干硫化时间,提高硫化效果,从而提高胶面综合性能；烘干过程中搭配吹风,进一步吹落烘干后残留的防滑粉,进一步保证胶面的干净程度。(The invention provides a production process of anti-slip protective gloves, which comprises the following steps: sleeving a mold, preheating, seepage prevention, air drying, gum dipping, glue homogenizing, surface antiskid, primary drying, soaking and washing, secondary drying, inspection and demolding; the gloves produced by the process have the advantages that through twice gum dipping treatment, the softness and puncture-preventing capacity of the rubber surface are effectively improved, and the cold-proof capacity of the gloves is improved; the anti-slip powder is sprayed on the rubber surface to form a concave surface, so that the anti-slip effect is improved; the spraying and soaking washing adopts a uniform clean water source to wash step by step, so that the water resource is effectively saved while the cleaning effect is ensured; the drying furnace adopts S-shaped rotary drying, so that the drying and vulcanizing time is prolonged, and the vulcanizing effect is improved, thereby improving the comprehensive performance of the rubber surface; the drying process is matched with air blowing, so that residual anti-slip powder after drying is further blown off, and the cleanness of the rubber surface is further ensured.)

1. A production process of anti-slip protective gloves is characterized in that: the method comprises the following steps:

s1: die sheathing: sleeving a purchased finished knitted glove on a hand mold;

s2: preheating: putting the glove-sleeved hand mold in the S1 into a preheating furnace station for preheating;

s3: seepage prevention: conveying the preheated hand mold S2 to an anti-seepage station, and putting the hand mold into anti-seepage agent to wet the hand mold;

s5: air drying: naturally drying the gloves soaked in the S3;

s6: gum dipping: conveying the air-dried gloves to a gum dipping station for gum dipping treatment; the gum dipping is divided into two times of gum dipping, and natural air drying is carried out after each gum dipping is finished;

s7: glue homogenizing: the hand mould after gum dipping enters a rotary furnace for glue homogenizing treatment until the surface is coated with a film;

s8: surface antiskid: spraying anti-skid powder prepared from sodium chloride and sodium sulfate onto the surface of the glove after conjunctiva to form a hollow surface;

s9: primary drying: sending the gloves with the surfaces sprayed with the anti-skid powder into a drying oven for drying treatment;

s10: soaking and washing: sending the dried gloves into a cleaning tank for spraying and soaking;

s11: secondary drying: drying the cleaned gloves in a drying furnace;

s12: and (3) inspection and demolding: and (5) inspecting the dried gloves, demolding and packaging.

2. The manufacturing process of the anti-slip protective gloves according to claim 1, wherein: and preheating by adopting steam in a preheating furnace in the step S2, wherein the heating temperature is 60-65 ℃.

3. The manufacturing process of the anti-slip protective gloves according to claim 1, wherein: after the anti-permeation agent described in the step S3 adopts 20% methanol and 80% water, calcium chloride and calcium nitrate are added to form a mixed solution.

4. The manufacturing process of the anti-slip protective gloves according to claim 1, wherein: in the step S6, the dipping is divided into a first dipping and a second dipping, each time of each mold rod is 3-5 seconds, and the mold rods are dried by natural wind after each dipping.

5. The manufacturing process of the anti-slip protective gloves according to claim 4, wherein: the gum dipping sequence is as follows: nitrile rubber and nitrile rubber, or natural latex and natural latex.

6. The manufacturing process of the anti-slip protective gloves according to claim 1, wherein: in the step S8, the ratio of sodium chloride to sodium sulfate in the non-slip powder is 1: 4.

7. the manufacturing process of the anti-slip protective gloves according to claim 1, wherein: the hand mould frame keeps continuously vibrating while the anti-slip powder is sprayed, the anti-slip powder which is vibrated off is recycled after being collected.

8. The manufacturing process of the anti-slip protective gloves according to claim 1, wherein: the temperature of the drying in the step S9 is 60-65 ℃.

9. The manufacturing process of the anti-slip protective gloves according to claim 1, wherein: in the spraying and soaking procedures, the hand formwork sequentially passes through primary spraying, four soaking and washing and secondary spraying, and only one water source is used in the procedures, namely, the sprayed clean water is sprayed out secondarily; the specific spraying and soaking process comprises the following steps: the hand formwork is sequentially dried, then sequentially sprayed, sequentially soaked and washed by four soaking and washing grooves, and finally sprayed for the second time; the water tanks of the spraying and soaking processes are sequentially communicated from back to front, the spray water at the secondary spraying station at the last side is clear water, then the spray water is converged in the secondary spraying water tank and then overflows to the last soaking and washing tank, and then overflows back in sequence along the direction opposite to the advancing direction of the hand formwork until the spray water tank is left over once, and the spray water is pumped into the spray pipe which sprays once by using a circulating water pump to spray for the first time, so that the anti-slip powder on the surface of the glove is washed away.

10. The manufacturing process of the anti-slip protective gloves according to claim 1, wherein: in step S11, the drying temperature is 80-120 ℃, and the drying process is matched with strong wind to blow the rubber surface.

Technical Field

The invention relates to the technical field of glove production, in particular to a production process of anti-slip protective gloves.

Background

The protective gloves are used for protecting hands in the production process, are well-known gloves, are various in types, generally need to have the characteristics of being not easy to damage, long in service life, comfortable to wear, capable of grasping articles accurately, and heat-proof and insulating. Dip-molded gloves, the most common of protective gloves, have a layer of glue on the outside of the glove to improve grip and abrasion resistance, but such gloves have the following drawbacks: 1. the rubber surface is not subjected to anti-slip treatment, and the anti-slip effect of the dipped latex or butyronitrile coating of the glove is poor; 2. The traditional gum dipping process is complex and has higher cost; 3. if the anti-slip treatment is performed, the anti-slip treatment is generally in a regular shape such as embossing, the production process is complex, and the anti-slip effect is not good.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides the method.

In order to achieve the purpose, the invention adopts the following technical scheme:

a production process of anti-slip protective gloves comprises the following steps:

s1: die sheathing: sleeving a purchased finished knitted glove on a hand mold;

s2: preheating: putting the glove-sleeved hand mold in the S1 into a preheating furnace station for preheating;

s3: seepage prevention: conveying the preheated hand mold S2 to an anti-seepage station, and putting the hand mold into anti-seepage agent to wet the hand mold;

s5: air drying: naturally drying the gloves soaked in the S3;

s6: gum dipping: conveying the air-dried gloves to a gum dipping station for gum dipping treatment; the gum dipping is divided into two times of gum dipping, and natural air drying is carried out after each gum dipping is finished;

s7: glue homogenizing: the hand mould after gum dipping enters a rotary furnace for glue homogenizing treatment until the surface is coated with a film;

s8: surface antiskid: spraying anti-skid powder prepared from sodium chloride and sodium sulfate onto the surface of the glove after conjunctiva to form a hollow surface;

s9: primary drying: sending the gloves with the surfaces sprayed with the anti-skid powder into a drying oven for drying treatment;

s10: soaking and washing: sending the dried gloves into a cleaning tank for spraying and soaking;

s11: secondary drying: drying the cleaned gloves in a drying furnace;

s12: and (3) inspection and demolding: and (5) inspecting the dried gloves, demolding and packaging.

Preferably, the preheating furnace in the step S2 is preheated by steam, and the heating temperature is 60-65 ℃.

Preferably, the permeation preventive agent described in step S3 is prepared by mixing 20% methanol and 80% water, and then adding calcium chloride and calcium nitrate to finally form a mixed solution.

Preferably, in the step S6, the dipping is divided into a first dipping and a second dipping, the time of each dipping of each mold rod is 3 to 5 seconds, and the mold rod is dried by natural wind after each dipping.

Preferably, the dipping sequence is: nitrile rubber and nitrile rubber, or natural latex and natural latex.

Preferably, the ratio of sodium chloride to sodium sulfate in the anti-slip powder in the step S8 is 1: 4.

preferably, the hand mould frame keeps vibrating continuously while spraying the anti-slip powder, and the anti-slip powder after being collected and recycled is recycled after being vibrated.

Preferably, the temperature of the drying in the step S9 is 60-65 degrees celsius.

Preferably, in the spraying and soaking processes, the hand formwork sequentially passes through primary spraying, four soaking and washing processes and secondary spraying, and only one water source is used in the process, namely, the sprayed clean water is sprayed out secondarily; the specific spraying and soaking process comprises the following steps: the hand formwork is sequentially dried, then sequentially sprayed, sequentially soaked and washed by four soaking and washing grooves, and finally sprayed for the second time; the water tanks of the spraying and soaking processes are sequentially communicated from back to front, the spray water at the secondary spraying station at the last side is clear water, then the spray water is converged in the secondary spraying water tank and then overflows to the last soaking and washing tank, and then overflows back in sequence along the direction opposite to the advancing direction of the hand formwork until the spray water tank is left over once, and the spray water is pumped into the spray pipe which sprays once by using a circulating water pump to spray for the first time, so that the anti-slip powder on the surface of the glove is washed away.

Preferably, the drying temperature is 80-120 degrees in step S11, and the glue surface is blown by strong wind in the drying process.

Compared with the prior art, the invention has the beneficial effects that: through twice gum dipping treatment, the softness of the rubber surface of the glove can be effectively improved, the puncture-proof capability of the rubber surface is improved, the rubber surface is prevented from degumming, and the cold-proof capability of the glove is improved; the anti-slip powder is sprayed on the surface of the glove, various irregular hollow surfaces can be formed, so that the anti-slip capability of the glove can be effectively improved, compared with the traditional embossing, the process is simple and easy to operate, and the production cost is obviously reduced; when the anti-skid powder is sprayed on the gloves, the vibration is matched, so that the redundant anti-skid powder which is not sprayed into the rubber surface can be vibrated to fall off, and the collected anti-skid powder can be repeatedly used, thereby effectively saving resources; the anti-slip powder is prepared by mixing sodium chloride and sodium nitrate, is dissolved in water by matching with a soaking, washing and spraying mode, and can be melted and washed away by matching with spraying, so that the concave surface of the exposed part subjected to anti-slip treatment can achieve the effect of improving the friction force; the water for soaking, washing and spraying flows through each soaking, washing and spraying station from back to front for the first time, the utilization of clear water is guaranteed to the maximum extent, the clear water is used for soaking, washing and spraying the gloves for the last time to obtain clean gloves, the water with certain turbidity flows back to the middle soaking, washing and spraying station after passing through the station for the second time, and finally the water is sprayed and soaked for the first time at the first spraying and soaking station, so that the application of water resources is maximized, and the water resources are effectively saved; and the strong wind blowing is matched in the final drying step, so that the inadvertent residual anti-slip powder crystals can be blown off, the effect of further removing the anti-slip powder is achieved, the clean gloves are finally obtained, and the situations that the whole packaged gloves get damp due to the residual anti-slip powder after packaging are avoided.

Drawings

FIG. 1 is a schematic view of a process flow of a manufacturing process of anti-slip protective gloves;

fig. 2 is a schematic structural diagram of the interior of a drying oven in the production process of the anti-slip protective gloves.

Detailed Description

In order to further understand the objects, structures, features and functions of the present invention, the following embodiments are described in detail.

Referring to fig. 1 and fig. 2, the invention provides a production process of a pair of anti-slip protective gloves, comprising the following steps:

s1: die sheathing: and sleeving the purchased finished knitted glove on the hand mold.

S2: preheating: putting the glove-sleeved hand mold in the S1 into a preheating furnace station for preheating, so that the anti-permeation agent can be uniformly soaked in the glove knitting structure after preheating; preferably, the preheating furnace in the step S2 is preheated by steam, and the heating temperature is 60-65 ℃, which can make the yarn limit of the knitted glove fully open and not be carbonized or lose elasticity and break.

S3: seepage prevention: conveying the preheated hand mold S2 to an anti-seepage station, and putting the hand mold into anti-seepage agent to wet the hand mold; the purpose of soaking by the anti-seepage agent is to prevent natural latex or butyronitrile latex in the dipping procedure from permeating into the glove; preferably, the permeation preventive agent described in step S3 is prepared by mixing 20% methanol and 80% water, and then adding calcium chloride and calcium nitrate to finally form a mixed solution.

S5: air drying: and (3) naturally drying the gloves soaked in the S3 to ensure the condensation of the anti-permeation agent, thereby ensuring the blocking effect.

S6: gum dipping: conveying the air-dried gloves to a gum dipping station for gum dipping treatment; the gum dipping is divided into two times of gum dipping, and natural air drying is carried out after each gum dipping is finished; the gloves are dipped twice, so that the dipped thickness of the gloves can be increased, the gloves can achieve the cold-proof effect, the softness of the gloves can be guaranteed, the rubber surface is thin if only one layer of the gloves is dipped, the rubber surface is excessively aged and hardened after the gloves are dried, the wearing comfort level is reduced, and the gripping capability of the gloves is also reduced.

S7: glue homogenizing: and (4) the hand mould after the gum dipping is finished enters a rotary furnace for glue homogenizing treatment, and a film is formed on the surface.

S8: surface antiskid: spraying anti-skid powder prepared from sodium chloride and sodium sulfate onto the surface of the glove after conjunctiva to form a hollow surface; utilize anti-skidding powder to spout in the glue film, can form anomalous hollow surface, increase roughness, its non-skid ability is stronger, and for production technology such as impressed watermark, the technology is simpler, and low cost, and because the glue film surface has been covered with anomalous hollow, can further improve the compliance, and convenient to use person wears gloves and buckles when gripping, further improves gripping ability.

S9: primary drying: sending the gloves with the surfaces sprayed with the anti-skid powder into a drying oven for drying treatment; preferably, the drying temperature in the step S9 is 60-65 ℃, so as to avoid excessive aging of the adhesive surface, and the drying function here is to completely condense the adhesive layer, so as to avoid the adhesive layer flowing and deforming during spraying and soaking, which results in poor surface anti-slip effect.

S10: soaking and washing: and (4) sending the dried gloves into a washing tank for spraying and soaking, washing the anti-slip powder on the surfaces of the gloves, and avoiding the anti-slip powder from remaining.

S11: secondary drying: and drying the cleaned gloves in a drying furnace for vulcanizing the rubber surfaces of the gloves, so as to ensure the structural strength and elasticity of the rubber surfaces of the gloves.

S12: and (3) inspection and demolding: and (5) inspecting the dried gloves, demolding and packaging.

The glove production line related by the invention is an annular circulation production line, the mold rods carry the gloves through the mold sleeving stations to sequentially convey to the subsequent stations, and after the gloves are manufactured after all the working procedures, the gloves are demoulded and finally circulated to the mold sleeving stations to perform mold sleeving, so that the circulation work of the production line is realized.

Preferably, in the step S6, the dipping is divided into a first dipping and a second dipping, and the rising heights are set at the positions corresponding to the glue tanks, so as to limit the depth of the glove entering the religious tank, avoid the whole glove from completely entering below the glue solution, and prevent the glue surface from completely covering the palm due to insufficient dipping depth; the time of each gum dipping of each mold rod is 3-5 seconds, so that the gloves are fully gum dipped, the situation that the local gum dipping amount is not enough is avoided, and the gum solution is dried by natural wind after each gum dipping, and the gum solution is ensured to be preliminarily condensed on the surfaces of the gloves after gum dipping.

Preferably, the dipping sequence is: nitrile rubber and nitrile rubber, or natural latex and natural latex.

Preferably, the ratio of sodium chloride to sodium sulfate in the anti-slip powder in the step S8 is 1: 4. the water temperature is kept at about 40 ℃ during spraying and soaking, so that the solubility of the anti-slip powder is ensured. The solubility of the sodium sulfate is highest when the water temperature is 40 ℃, and the solubility of the sodium chloride is higher along with the rise of the water temperature, so that the anti-slip powder can be dissolved conveniently by adopting the anti-slip powder with the proportion, and the cleaning of the anti-slip powder is convenient; in the production process, the dissolving condition is relatively easy to achieve, and energy can be saved.

Preferably, the hand mould frame keeps vibrating continuously while spraying the anti-slip powder, and the anti-slip powder after being collected and recycled is recycled after being vibrated. The unnecessary anti-slip powder is vibrated through vibration and falls, the anti-slip powder can be effectively saved, waste is avoided, the difficulty of follow-up spraying and soaking is reduced, simultaneously along with the vibration of a die carrier, the anti-slip powder which is adhered to the surface of a glue layer and does not fall can move towards the glue surface, the anti-slip powder is prevented from being adhered to the surface of the glue layer only a little, the deep sinking degree of the anti-slip powder in the glue surface is promoted, the hollow degree of the glue surface is guaranteed, and the anti-slip powder is ensured to have higher friction force.

Preferably, in the spraying and soaking processes, the hand formwork sequentially passes through primary spraying, four soaking and washing processes and secondary spraying, and only one water source is used in the process, namely, the sprayed clean water is sprayed out secondarily; the specific spraying and soaking process comprises the following steps: the hand formwork is sequentially dried, then sequentially sprayed, sequentially soaked and washed by four soaking and washing grooves, and finally sprayed for the second time; the water tanks of the spraying and soaking processes are sequentially communicated from back to front, the spray water at the secondary spraying station at the last side is clear water, then the spray water is converged in the secondary spraying water tank and then overflows to the last soaking and washing tank, and then overflows back in sequence along the direction opposite to the advancing direction of the hand formwork until the spray water tank is left over once, and the spray water is pumped into the spray pipe which sprays once by using a circulating water pump to spray for the first time, so that the anti-slip powder on the surface of the glove is washed away. In concrete production, the secondary sprays and is located the highest position, then four bubble wash basins and once spray the basin highly by the back reduce in proper order to the front, and the side of every basin all sets up anti-overflow plate and overflow mouth, and the upper end of being convenient for is handed over clear water relatively and is gone downstream, guarantees the make full use of at water source, effective water economy resource. Meanwhile, the subsequent wastewater treatment and the classified recovery of the anti-skid powder are facilitated.

As shown in fig. 2, it is preferable that the drying temperature is 80 to 120 degrees in the step S11, and the glue surface is blown by strong wind in the drying process. The drying is mainly to fully vulcanize the rubber layer on the surface of the glove and ensure the wear resistance and the stripping resistance of the rubber layer. Wherein dry the station and mainly make hand former frame circulating line 2 pass drying furnace 1 in dry the vulcanization of drying, and in drying furnace 1, hand former frame circulating line 2 is through the slewing drive of a plurality of S-shaped in drying furnace 1, guarantee that hand former frame has longer detention in drying furnace 1, thereby effectively prolong the cure time, so can save the shared space of production facility, the stoving route that extends the horizontal direction turns into vertical direction and adds the stoving route that the horizontal direction combined together, effectively shorten the length of drying furnace 1, and the drying time has been prolonged, the volume of drying furnace 1 has been dwindled simultaneously, so the energy that consumes when heating for drying furnace 1 also effectively reduces, thereby very big reduction the use of the energy. In addition, in the process of drying 1 continuously, drying 1 lateral wall of drying furnace is given birth to and is set up corresponding mouth of blowing 3 for to the interior blast air of drying furnace 1, and mouth of blowing 3 is just to the hand die carrier, so can dry the face of glue after the gloves are dried, if the face of glue still has the non slipping spur to remain, can further blow off the face of glue with remaining crystallization after the crystallization is appeared to high temperature, thereby further guarantee the cleanliness factor of the face of glue.

According to the production process of the anti-slip protective gloves, disclosed by the invention, through twice gum dipping treatment, the softness of the rubber surface of the gloves can be effectively improved, the anti-puncture capability of the rubber surface is improved, the rubber surface is prevented from being degummed, and the cold-proof capability of the gloves is improved; the anti-slip powder is sprayed on the surface of the glove, various irregular hollow surfaces can be formed, so that the anti-slip capability of the glove can be effectively improved, compared with the traditional embossing, the process is simple and easy to operate, and the production cost is obviously reduced; when the anti-skid powder is sprayed on the gloves, the vibration is matched, so that the redundant anti-skid powder which is not sprayed into the rubber surface can be vibrated to fall off, and the collected anti-skid powder can be repeatedly used, thereby effectively saving resources; the anti-slip powder is prepared by mixing sodium chloride and sodium nitrate, is dissolved in water by matching with a soaking, washing and spraying mode, and can be melted and washed away by matching with spraying, so that the concave surface of the exposed part subjected to anti-slip treatment can achieve the effect of improving the friction force; the water for soaking, washing and spraying flows through each soaking, washing and spraying station from back to front for the first time, the utilization of clear water is guaranteed to the maximum extent, the clear water is used for soaking, washing and spraying the gloves for the last time to obtain clean gloves, the water with certain turbidity flows back to the middle soaking, washing and spraying station after passing through the station for the second time, and finally the water is sprayed and soaked for the first time at the first spraying and soaking station, so that the application of water resources is maximized, and the water resources are effectively saved; and the strong wind blowing is matched in the final drying step, so that the inadvertent residual anti-slip powder crystals can be blown off, the effect of further removing the anti-slip powder is achieved, the clean gloves are finally obtained, and the situations that the whole packaged gloves get damp due to the residual anti-slip powder after packaging are avoided.

The present invention has been described in relation to the above embodiments, which are only exemplary of the implementation of the present invention. It should be noted that the disclosed embodiments do not limit the scope of the invention. Rather, it is intended that all such modifications and variations be included within the spirit and scope of this invention.