阅读说明：本技术 一种金属化薄膜电容器芯子热处理加工工艺 (Heat treatment processing technology for metalized film capacitor core ) 是由 朱雪坤 陆国平 李永坚 于 2020-04-29 设计创作，主要内容包括：本发明公开了一种金属化薄膜电容器芯子热处理加工工艺,包括如下步骤：一、上料；二、运行链条机构；三、第一加热箱热处理；四、第一保温箱热处理；五、第二加热箱热处理；六、第二保温箱热处理并自然冷却。本发明中,通过链条对电容芯进行传动,电容芯子在其内部处于悬空状态,且插接杆具有良好导热性,避免电容器芯子外热内冷,受热不均衡而出现皱褶老化问题,保持电容器芯子热收缩均衡,保证产品的电性能和热稳定性；通过连续的链条机构和相互贴合的加热箱和保温箱,缩短热处理工艺时间,并且提升热处理效,减小了热量的散热,从而降低能耗,由于采用连续逐级进行加热,产品质量高。(The invention discloses a heat treatment processing technology of a metallized film capacitor core, which comprises the following steps: firstly, feeding; secondly, operating a chain mechanism; thirdly, carrying out heat treatment in a first heating box; fourthly, heat treatment is carried out on the first heat preservation box; fifthly, performing heat treatment on the second heating box; and sixthly, carrying out heat treatment on the second heat preservation box and naturally cooling. According to the invention, the capacitor core is driven by the chain, the capacitor core is in a suspended state in the capacitor core, and the insertion rod has good thermal conductivity, so that the problem of wrinkle aging caused by external heat and internal cooling and unbalanced heating of the capacitor core is avoided, the thermal shrinkage balance of the capacitor core is kept, and the electrical property and the thermal stability of a product are ensured; through continuous chain mechanism and the heating cabinet and the insulation can of laminating each other, shorten thermal treatment process time to promote thermal treatment effect, reduced thermal heat dissipation, thereby reduce the energy consumption, owing to adopt and heat step by step in succession, product quality is high.)

1. A heat treatment processing technology for a metallized film capacitor core is characterized by comprising the following steps:

the method comprises the following steps: the capacitor cores which are orderly arranged are conveyed into a positioning pipe (13) through a conveying pipe (10), electric telescopic rods (12) on the two horizontal sides of a conveying box (11) are started to simultaneously act, and an output end is linked with a piston to push the capacitor cores, so that the capacitor cores slide onto an insertion rod (9);

step two: an external driving mechanism is started to act, the chain (7) is driven to turn through a gear disc (6), the movement speed of the chain (7) is adjusted through operation of an electric cabinet, and the total lengths of the chain (7) arranged in the first heating box (1), the second heating box (3), the first heat preservation box (2) and the second heat preservation box (4) are different, so that the capacitor cores are different in residence time in different chambers;

step three: under the action of gravity, a capacitor core inserted on an insertion rod (9) is arranged downwards along the gravity all the time under the action of a bearing between a connecting rod (8) and a chain (7), the capacitor core enters a first heating box (1) along with the chain (7), and a heating pipe (5) inside the capacitor core continuously heats the capacitor core, so that the capacitor core is subjected to first-level heat treatment, an air pump (15) outside the first heating box (1) acts, hot air inside the first heating box (1) is circulated through an air pipe (14), and the interior of the first heating box is uniformly heated;

step four: the following chain (7) after the first-level heat treatment enters a first heat preservation box (2) for heat preservation treatment;

step five: after coming out of the first heat preservation box (2), the heated air enters the second heating box (3) for second-level heat treatment, an air pump (15) outside the second heating box (3) acts, hot air inside the second heating box (3) is circulated through an air pipe (14), and the interior of the second heating box is uniformly heated;

step six: and the material enters a second heat insulation box (4) for secondary heat insulation treatment after passing through the second heating box (3), is naturally cooled after coming out of the second heat insulation box (4), is taken down by a discharging mechanism, and continues to perform circulating operation by a chain (7).

2. The heat treatment process for the metallized film capacitor core as claimed in claim 1, wherein the heating pipes (5) located inside the first heating box (1), the second heating box (3), the first heat-preservation box (2) and the second heat-preservation box (4) have different powers, the heating temperature of the heating pipe (5) in the first heating box (1) is 70-80 ℃, the temperature of the heating pipe (5) in the first heat-preservation box (2) is 80-85 ℃, the temperature of the heating pipe (5) in the second heating box (3) is 110-.

3. The heat treatment process for metallized film capacitor cores as claimed in claim 1, wherein said chains (7) and said connection rods (9) are kept horizontal all the time.

4. The heat treatment process for the metallized film capacitor core as claimed in claim 1, wherein the chain (7) in the first heating box (1) and the second heating box (3) have the same length, the chain (7) in the first heat-preserving box (2) has a length less than that of the chain (7) in the second heat-preserving box (4), the operation time of the chain (7) in the first heating box (1) and the second heating box (3) is 2-3h, the operation time of the first heat-preserving box (2) is 2-3h, and the operation time of the second heat-preserving box (4) is 2.5-3.5 h.

Technical Field

The invention relates to the technical field of capacitors, in particular to a heat treatment processing technology for a metallized film capacitor core.

Background

The capacitor is very diverse depending on the dielectric, for example: electrolyte capacitors, paper capacitors, thin film capacitors, ceramic capacitors, mica capacitors, air capacitors, and the like. But are most frequently used in audio equipment, as electrolytic capacitors and film capacitors. Electrolytic capacitors are often used in places where a large capacitance is required, such as filter capacitors in the main power supply section, which also serve to store electric energy in addition to filtering. The thin film capacitor is widely used in the place of the cross connection of analog signals, the bypass of power supply noise, etc.

The existing capacitor core has unbalanced heat conduction inside and outside, and the metalized film on the outer ring has a wrinkle aging phenomenon caused by excessive heat treatment due to higher heat shrinkage rate of the metalized film, so that the electrical property and the thermal stability of a product are seriously influenced; the existing heat treatment process has long time, low efficiency and general product performance.

Disclosure of Invention

The invention aims to: the heat treatment processing technology for the metallized film capacitor core aims to solve the problems of low stability and low efficiency of the existing heat treatment.

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

a heat treatment processing technology for a metallized film capacitor core comprises the following steps:

the method comprises the following steps: the capacitor cores which are arranged in order are conveyed into the positioning pipe through the conveying pipe, the electric telescopic rods on the two horizontal sides of the conveying box are started to act simultaneously, and the output end is linked with the piston to push the capacitor cores, so that the capacitor cores slide onto the insertion rod;

step two: an external driving mechanism is started to act, the chain is driven to steer through a gear disc, the movement speed of the chain is adjusted through operation of an electric cabinet, and the total lengths of the chains arranged in the first heating box, the second heating box, the first heat preservation box and the second heat preservation box are different, so that the capacitor cores are different in residence time in different chambers;

step three: under the action of gravity, a capacitor core inserted on the insertion rod is always arranged downwards along the gravity under the action of a bearing between the connecting rod and the chain, the capacitor core enters the first heating box along with the chain, a heating pipe inside the first heating box is continuously heated, so that the capacitor core is subjected to first-level heat treatment, an air pump outside the first heating box acts, hot air inside the first heating box is circulated through an air pipe, and the interior of the first heating box is uniformly heated;

step four: the following chain after the first-level heat treatment enters a first heat preservation box for heat preservation treatment;

step five: after coming out of the first heat preservation box, the heated air enters a second heating box to carry out second-level heat treatment, an air pump outside the second heating box acts, hot air inside the second heating box is circulated through an air pipe, and the interior of the second heating box is uniformly heated;

step six: and after the second heating box passes through, the second heating box enters a second heat preservation box for secondary heat preservation treatment, after the second heating box comes out of the second heat preservation box, the second heating box is naturally cooled, and finally the second heating box is taken down through a discharging mechanism, and the chain continues to perform circulating operation.

As a further description of the above technical solution:

the heating pipe power in the first heating box, the second heating box, the first heat preservation box and the second heat preservation box is different, the heating temperature of the heating pipe in the first heating box is 70-80 ℃, the heating temperature of the heating pipe in the first heat preservation box is 80-85 ℃, the heating pipe temperature in the second heating box is 110-.

As a further description of the above technical solution:

the chain and the insertion rod are always kept in a horizontal state.

As a further description of the above technical solution:

chain length is the same in first heating cabinet and the second heating cabinet, and chain length is less than chain length in the second incubator in the first incubator, chain length is 2-3h in the first heating cabinet and the second heating cabinet, and length of operation is 2-3h in the first incubator, and length of operation is 2.5-3.5h in the second incubator.

In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:

1. according to the invention, the capacitor core is driven by the chain, the capacitor core is in a suspended state in the capacitor core, and the insertion rod has good thermal conductivity, so that the problem of wrinkle aging caused by external heat and internal cooling and unbalanced heating of the capacitor core is avoided, the thermal shrinkage balance of the capacitor core is kept, and the electrical property and the thermal stability of a product are ensured.

2. According to the invention, through the continuous chain mechanism and the heating box and the heat insulation box which are mutually attached, the heat treatment process time is shortened, the heat treatment effect is improved, and the heat radiation is reduced, so that the energy consumption is reduced.

Drawings

FIG. 1 is a schematic diagram of an apparatus for heat treatment of a metallized film capacitor core according to the present invention;

FIG. 2 is a side view of a feeding mechanism for a thermal processing technique of metallized film capacitor cores according to the present invention;

FIG. 3 is a side view of a heat treatment mechanism for a metallized film capacitor core heat treatment process in accordance with the present invention;

illustration of the drawings:

1. a first heating tank; 2. a first heat preservation box; 3. a second heating chamber; 4. a second incubator; 5. heating a tube; 6. a gear plate; 7. a chain; 8. a connecting rod; 9. a plug rod; 10. a delivery pipe; 11. a material conveying box; 12. an electric telescopic rod; 13. a positioning tube; 14. an air tube; 15. an air pump.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1-3, a heat treatment process for a metallized film capacitor core includes the following steps:

the method comprises the following steps: the capacitor cores which are orderly arranged are conveyed into a positioning pipe 13 through a conveying pipe 10, electric telescopic rods 12 on the two horizontal sides of a conveying box 11 are started to simultaneously act, and an output end is linked with a piston to push the capacitor cores, so that the capacitor cores slide onto an insertion rod 9, and the insertion rod 9 is made of a copper material with good heat conduction;

step two: an external driving mechanism is started to act, the chain 7 is driven to steer through the gear disc 6, the movement speed of the chain 7 is adjusted through operation of the electric cabinet, the chain 7 and the splicing rod 9 are always kept in a horizontal state, and the total lengths of the chains 7 arranged in the first heating box 1, the second heating box 3, the first heat preservation box 2 and the second heat preservation box 4 are different, so that the capacitor cores are different in residence time in different chambers;

step three: under the action of gravity, a capacitor core inserted in the insertion rod 9 is always arranged downwards along the gravity under the action of a bearing between the connecting rod 8 and the chain 7, the capacitor core enters the first heating box 1 along with the chain 7, the heating pipe 5 in the first heating box continuously heats the capacitor core, so that the capacitor core is subjected to first-level heat treatment, the air pump 15 outside the first heating box 1 acts, hot air in the first heating box 1 circulates through the air pipe 14, and the interior of the first heating box 1 is uniformly heated;

step four: the following chain 7 after the first-level heat treatment enters the first heat preservation box 2 for heat preservation treatment;

step five: after coming out of the first heat preservation box 2, the heated air enters the second heating box 3 to be subjected to second-level heat treatment, an air pump 15 outside the second heating box 3 acts, hot air inside the second heating box 3 is circulated through an air pipe 14, and the interior of the second heating box 3 is uniformly heated;

step six: after passing through the second heating box 3, the mixture enters a second heat insulation box 4 for secondary heat insulation treatment, after the mixture comes out of the second heat insulation box 4, the mixture is naturally cooled, and finally the mixture is taken down through a discharging mechanism, and the chain 7 continues to perform circulating operation;

the power of the heating pipes 5 in the first heating box 1, the second heating box 3, the first heat preservation box 2 and the second heat preservation box 4 is different, the heating temperature of the heating pipe 5 in the first heating box 1 is 70 ℃, the heating temperature of the heating pipe 5 in the first heat preservation box 2 is 80 ℃, the heating temperature of the heating pipe 5 in the second heating box 3 is 100 ℃, the heating temperature of the heating pipe 5 in the second heat preservation box 4 is 110 ℃, the lengths of the chains 7 in the first heating box 1 and the second heating box 3 are the same, the length of the chain 7 in the first heat preservation box 2 is smaller than the length of the chain 7 in the second heat preservation box 4, the running time of the chain 7 in the first heating box 1 and the second heating box 3 is 2h, the running time of the first heat preservation box 2 is 2h, and the running time of the second heat preservation box 4 is 2.5 h.

Example 2

Referring to fig. 1-3, a heat treatment process for a metallized film capacitor core includes the following steps:

the method comprises the following steps: the capacitor cores which are orderly arranged are conveyed into a positioning pipe 13 through a conveying pipe 10, electric telescopic rods 12 on the two horizontal sides of a conveying box 11 are started to simultaneously act, and an output end is linked with a piston to push the capacitor cores, so that the capacitor cores slide onto an insertion rod 9;

step two: an external driving mechanism is started to act, the chain 7 is driven to steer through the gear disc 6, the movement speed of the chain 7 is adjusted through operation of the electric cabinet, the chain 7 and the splicing rod 9 are always kept in a horizontal state, and the total lengths of the chains 7 arranged in the first heating box 1, the second heating box 3, the first heat preservation box 2 and the second heat preservation box 4 are different, so that the capacitor cores are different in residence time in different chambers;

step three: under the action of gravity, a capacitor core inserted in the insertion rod 9 is always arranged downwards along the gravity under the action of a bearing between the connecting rod 8 and the chain 7, the capacitor core enters the first heating box 1 along with the chain 7, the heating pipe 5 in the first heating box continuously heats the capacitor core, so that the capacitor core is subjected to first-level heat treatment, the air pump 15 outside the first heating box 1 acts, hot air in the first heating box 1 circulates through the air pipe 14, and the interior of the first heating box 1 is uniformly heated;

step four: the following chain 7 after the first-level heat treatment enters the first heat preservation box 2 for heat preservation treatment;

step five: after coming out of the first heat preservation box 2, the heated air enters the second heating box 3 to be subjected to second-level heat treatment, an air pump 15 outside the second heating box 3 acts, hot air inside the second heating box 3 is circulated through an air pipe 14, and the interior of the second heating box 3 is uniformly heated;

step six: after passing through the second heating box 3, the mixture enters a second heat insulation box 4 for secondary heat insulation treatment, after the mixture comes out of the second heat insulation box 4, the mixture is naturally cooled, and finally the mixture is taken down through a discharging mechanism, and the chain 7 continues to perform circulating operation;

the power of the heating pipes 5 in the first heating box 1, the second heating box 3, the first heat preservation box 2 and the second heat preservation box 4 is different, the heating temperature of the heating pipe 5 in the first heating box 1 is 80 ℃, the heating temperature of the heating pipe 5 in the first heat preservation box 2 is 85 ℃, the heating temperature of the heating pipe 5 in the second heating box 3 is 110 ℃, the heating temperature of the heating pipe 5 in the second heat preservation box 4 is 115 ℃, the lengths of the chains 7 in the first heating box 1 and the second heating box 3 are the same, the length of the chain 7 in the first heat preservation box 2 is smaller than the length of the chain 7 in the second heat preservation box 4, the running time of the chain 7 in the first heating box 1 and the second heating box 3 is 3 hours, the running time of the first heat preservation box 2 is 3 hours, and the running time of the chain 7 in the second heat preservation box 4 is 3.5 hours.

Example 3

The power of the heating pipes 5 in the first heating box 1, the second heating box 3, the first heat preservation box 2 and the second heat preservation box 4 is different, the heating temperature of the heating pipe 5 in the first heating box 1 is 90 ℃, the heating temperature of the heating pipe 5 in the first heat preservation box 2 is 95 ℃, the heating temperature of the heating pipe 5 in the second heating box 3 is 120 ℃, the heating temperature of the heating pipe 5 in the second heat preservation box 4 is 125 ℃, the lengths of the chains 7 in the first heating box 1 and the second heating box 3 are the same, the length of the chain 7 in the first heat preservation box 2 is smaller than the length of the chain 7 in the second heat preservation box 4, the running time of the chain 7 in the first heating box 1 and the second heating box 3 is 3.5 hours, the running time of the chain 7 in the first heat preservation box 2 is 3.5 hours, and the running time of the chain in the second heat preservation box 4 is 4 hours.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.