CN210080897U - Continuous brazing equipment - Google Patents
Continuous brazing equipment Download PDFInfo
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- CN210080897U CN210080897U CN201920957429.8U CN201920957429U CN210080897U CN 210080897 U CN210080897 U CN 210080897U CN 201920957429 U CN201920957429 U CN 201920957429U CN 210080897 U CN210080897 U CN 210080897U
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- temperature
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Abstract
The utility model relates to a continuous brazing equipment. The automatic temperature control brazing furnace comprises a conveying mechanism, a rack and a temperature control brazing furnace, wherein an opening slide way communicated with a furnace chamber is arranged at the bottom of a furnace body of the temperature control brazing furnace, a plurality of heat insulation sliding blocks used for clamping a tamping pick are arranged in the opening slide way, a part of the tamping pick to be heated and brazed is arranged in the furnace chamber, a plurality of movable trays are arranged on a transmission chain of the conveying mechanism, the tamping pick is fixed on the movable trays through a positioning fixture, the movable trays of the conveying mechanism drive the heat insulation sliding blocks on the tamping pick to slide in the opening slide way, and in the sliding process, the part of the tamping pick to be heated and brazed is locally heated and brazed through a hearth of the. The utility model discloses the tamping pick outside covers with thermal-insulated slider, only exposes the part that needs the heating of brazing in furnace, has improved energy utilization, because conveying mechanism locates the control by temperature change brazing furnace outside, has effectively avoided conveying mechanism to receive the life problem that the high temperature influence produced, has improved product quality and production efficiency.
Description
Technical Field
The utility model relates to a work piece surface brazing continuous production equipment specifically is a continuous brazing equipment.
Background
Brazing, which is a welding method for connecting metals by filling gaps of solid workpieces with liquid brazing filler metal after the brazing filler metal lower than the melting point of the weldment and the weldment are simultaneously heated to the melting temperature of the brazing filler metal; brazing is divided into soldering and brazing according to different melting points of brazing filler metals; soldering: the melting point of the solder for soldering is lower than 450 ℃, and the joint strength is lower (less than 70 MPa); brazing: the melting point of brazing filler metal brazed is higher than 450 ℃, and the joint strength is higher (more than 200 MPa); the tamping pick is a key part and a main wearing part of the railway line maintenance tamping car and has the function of better distributing the bearing capacity of a ballast layer of a ballast bed by vibrating and lifting ballast below a sleeper; the tamping pick is in direct contact with ballast of a railway ballast bed, the main failure mode is that a pick palm is damaged, and the service life and the construction quality of the tamping pick are directly influenced by the damage of the pick palm; in order to prolong the service life of the tamping pick, hard alloy needs to be brazed on the surface of the pick palm, silver-based or copper-based brazing filler metal is used as the brazing filler metal, and the brazing temperature is about 700 ℃ and 1000 ℃ respectively; the existing high-distribution induction brazing production process is generally adopted, a plurality of hard alloy blocks are simultaneously welded on a plurality of planes of a tamping pick matrix at one time, the heating mode adopts local heating, and due to the fact that induction coils are used for heating, the problems that the corners of a workpiece are overheated, the temperature is uneven, the level and the working attitude of an operator are excessively depended on are caused, the product quality is difficult to effectively ensure, meanwhile, the production efficiency is low, and the high-distribution induction brazing production process is not suitable for batch production; meanwhile, the long-time close-range operation of the operator has certain influence on the health of the body.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving among the current production technology that the work piece corner is overheated, the temperature is uneven, excessively relies on operating personnel level and working attitude and batch production problem to provide one kind and can improve product quality and production efficiency, compromise the continuous equipment of brazing that operating personnel is healthy and energy-concerving and environment-protective simultaneously.
The utility model provides a problem, the technical scheme who adopts is:
the utility model provides a continuous brazing equipment, including conveying mechanism, a machine support, the stove is brazed in control by temperature change, the furnace body bottom of the stove is brazed in control by temperature change is provided with the opening slide with the furnace chamber intercommunication, be provided with a plurality of thermal-insulated sliders that are used for pressing from both sides tight tamping pick in the opening slide, the position of waiting to heat to braze of tamping pick sets up in the furnace chamber, be provided with a plurality of removal trays on conveying mechanism's the drive chain, the tamping pick passes through positioning fixture and fixes on removing the tray, it slides in the opening slide to drive the thermal-insulated slider on the tamping pick through conveying mechanism's removal tray, in the slip in-process, the position of waiting to heat to braze of tamping pick carries out local.
Adopt above-mentioned technical scheme the utility model discloses, compare with prior art, its outstanding characteristics are:
① the utility model discloses because conveying mechanism sets up in control by temperature change brazing furnace outside, effectively avoided conveying mechanism to receive the life problem that the high temperature influence produced, consequently, do not need heat-resisting material, brazing furnace heaies up and also need not insert protective gas with the cooling in-process, variable furnace chamber has improved energy utilization, energy consumption has been reduced, the equipment investment has also been reduced, good economic benefits and social have, and simultaneously, operating position keeps away from the zone of heating and has also made operating personnel keep away from harm such as scald, high temperature flue gas.
② the outside of the tamping pick is covered by the heat insulation slide block, only the part needing brazing heating is exposed in the furnace chamber of the furnace body, the energy utilization rate is improved, the device can realize batch production, the production efficiency is 5-10 times of that of a power induction heating power supply, the problems of overheating of the corners of the tamping pick, uneven temperature, excessive dependence on the level of an operator, working attitude and batch production in the existing brazing equipment are solved, the health, energy conservation and environmental protection of the operator are considered simultaneously, and the product quality and the production efficiency are improved.
Preferably, the present invention further provides:
the whole furnace body is of a building block type modular structure and comprises an upper cover, side furnace bodies and side furnace bottoms, and an opening slideway is formed between the two side furnace bottoms.
The heat insulation sliding block is of a split structure, a clamping opening matched with the tamping pick is formed in the heat insulation sliding block, and two sides of the heat insulation sliding block are respectively connected with two side furnace bottoms through labyrinth seal structures, so that the heat insulation sliding block keeps tightness in the sliding process.
The opening slide is internally provided with a heat insulation slide block, the heat insulation slide block is fixed on the corresponding movable tray through a support frame, and the two sides of the heat insulation slide block are respectively connected with the two side furnace bottoms through a labyrinth seal structure, so that the heat insulation slide block keeps the sealing performance in the sliding process.
The temperature control brazing furnace is arranged on the rack, the conveying mechanism is arranged outside a furnace body of the temperature control brazing furnace, the inner sides of the supporting legs of the rack are provided with slide rail brackets, the upper ends and the lower ends of the slide rail brackets are respectively provided with fixed slide rails, the two sides of the bottom of the movable tray are respectively provided with limiting slide blocks matched with the corresponding fixed slide rails, and the conveying mechanism is guaranteed not to droop or incline when in straight-line operation.
Conveying mechanism still includes drive sprocket, driven sprocket, stepless speed regulating motor, lifting support, supporting seat, the removal tray is evenly arranged on drive chain, drive sprocket and driven sprocket are connected respectively to drive chain's both ends, stepless speed regulating motor drives drive sprocket and rotates, drive sprocket, driven sprocket are fixed respectively on lifting support, lifting support fixes on the supporting seat and can be on the supporting seat lift regulation, conveying mechanism realizes altitude mixture control through the lifting support at both ends to adapt to not unidimensional tamping pick requirement.
The hearth of the furnace body is sequentially divided into a preheating section, a heating brazing section and a cooling section from the furnace body inlet to the furnace body outlet, wherein the heating brazing section is divided into a low-temperature area, a medium-temperature area and a high-temperature brazing area.
Heat-resisting partition plates are respectively arranged between the heating brazing section and the preheating section as well as between the heating brazing section and the cooling section; the heat-resisting baffle plate is divided into a flat plate type baffle plate and a U-shaped baffle plate; the flat plate type baffle is arranged between the heating brazing section and the preheating section and is used as a furnace door; the U-shaped baffle is arranged between the heating brazing section and the cooling section, and the U-shaped baffle has the same size with the inlet and the outlet of the heating furnace and is used as a part of the heat-insulating layer of the heating furnace.
And at the inlet of the preheating section, the two sides of the low-temperature region, the medium-temperature region and the high-temperature brazing region of the brazing section are heated, and the inlet and the outlet of the cooling section are respectively provided with a heat insulation curtain so as to ensure that the temperature of each temperature region is accurately controlled.
Drawings
Fig. 1 is a schematic front view structure diagram of an embodiment of the present invention;
FIG. 2 is a schematic view of the section A-A of the temperature-controlled brazing furnace in FIG. 1 in a temperature-rising state;
FIG. 3 is a schematic view of the section A-A of the temperature-controlled brazing furnace in FIG. 1 in an operating state;
in the figure: a transmission chain 1; a frame 2; a preheating section 3; a heat-resistant separator 4; heating the brazing section 5; a low temperature zone 6; a heat insulating curtain 7; a medium temperature zone 8; a high temperature soldering zone 9; a cooling section 10; a thermally insulating slider 11; a thermally insulating slider 12; an upper cover 13; a side furnace body 14; a side hearth 15; a support frame 16; a rail bracket 17; a fixed slide rail 18; a limiting slide block 19; a movable tray 20; a lifting bracket 21; a support base 22; a tamping pick 23.
The specific implementation mode is as follows:
the invention will be further described with reference to the following examples, which are intended only for better understanding of the invention and therefore do not limit the scope of the invention.
Referring to fig. 1, 2 and 3, a continuous brazing device comprises a conveying mechanism, a frame 2 and a temperature control brazing furnace, wherein an opening slide way communicated with a furnace chamber is arranged at the bottom of a furnace body of the temperature control brazing furnace, a plurality of heat insulation slide blocks 11 used for clamping a tamping pick 23 are arranged in the opening slide way, a part to be heated and brazed of the tamping pick 23 is arranged in the furnace chamber, a plurality of movable trays 20 are arranged on a transmission chain 1 of the conveying mechanism, the movable trays 20 are square tubes, two sides of each movable tray 20 are fixed on the transmission chain 1 through bolts, the tamping pick 23 is fixed on the movable trays 20 through a positioning fixture, the heat insulation slide blocks 11 on the tamping pick 23 are driven by the movable trays 20 of the conveying mechanism to slide in the opening slide way, and in the sliding process, the part to be heated and brazed of the tamping pick 23 is locally heated and brazed through a hearth of.
The whole body of the furnace body is of a building block type modular structure and comprises an upper cover 13, a side furnace body 14 and a side furnace bottom 15, an opening slide way is formed between the two side furnace bottoms 15, the whole body of the furnace body is of the building block type modular structure, and the furnace body can be set up through building blocks according to the size of a workpiece and actual needs to adjust the temperature control brazing furnace hearth space size.
The heat insulation sliding block 11 is of a split structure, a clamping opening matched with the tamping pick 23 is formed in the heat insulation sliding block 11, and two sides of the heat insulation sliding block 11 are respectively connected with two side furnace bottoms 15 through labyrinth seal structures, so that the heat insulation sliding block 11 keeps tightness in the sliding process.
The opening slide is also internally provided with a heat insulation slide block 12, the heat insulation slide block 12 is fixed on a corresponding movable tray 20 through a support frame 16, and two sides of the heat insulation slide block 12 are respectively connected with two side furnace bottoms 15 through a labyrinth seal structure, so that the heat insulation slide block 12 keeps the sealing property in the sliding process.
The temperature control heating furnace is arranged on the frame 2, the conveying mechanism is arranged outside the temperature control brazing furnace, the inner sides of the supporting legs of the frame 2 are provided with slide rail brackets 17, the upper end and the lower end of each slide rail bracket 17 are respectively provided with a fixed slide rail 18, two sides of the bottom of the movable tray 20 are respectively provided with a limiting slide block 19 matched with the corresponding fixed slide rail 18, and the conveying mechanism is guaranteed not to droop or deflect when running on a straight line.
Conveying mechanism still includes drive sprocket, driven sprocket, stepless speed regulating motor, lifting support 21, supporting seat 22, it evenly arranges on drive chain 1 to remove tray 20, drive sprocket and driven sprocket are connected respectively to drive chain 1's both ends, stepless speed regulating motor drives drive sprocket and rotates, drive sprocket, driven sprocket fixes respectively on lifting support 21, lifting support 21 passes through the bolt fastening on supporting seat 22, be provided with the regulation slot hole on lifting support 21, can go up and down to adjust on supporting seat 22, conveying mechanism realizes altitude mixture control through the lifting support 21 at both ends, in order to adapt to not unidimensional tamping pick requirement.
The hearth of the furnace body is sequentially divided into a preheating section 3, a heating brazing section 5 and a cooling section 10 from the furnace body inlet to the furnace body outlet, wherein the heating brazing section 5 is divided into a low-temperature zone 6, a medium-temperature zone 8 and a high-temperature brazing zone 9.
Heat-resisting partition plates 4 are respectively arranged between the heating brazing section 5 and the preheating section 3 as well as between the heating brazing section and the cooling section 10; the heat-resisting baffle plate 4 is divided into a flat baffle plate and a U-shaped baffle plate; the flat plate type baffle is arranged between the heating brazing section 5 and the preheating section 3 and is used as a furnace door; the U-shaped baffle is arranged between the heating brazing section 5 and the cooling section 10, and the U-shaped baffle has the same size with the inlet and the outlet of the temperature-controlled brazing furnace and is used as a part of the heat-insulating layer of the temperature-controlled brazing furnace.
At the inlet of the preheating section 3, two sides of the low-temperature zone 6, the medium-temperature zone 8 and the high-temperature brazing zone 9 of the heating brazing section 5 are respectively provided with a heat insulation curtain 7 at the inlet and the outlet of the cooling section 10, so as to ensure the accurate temperature control of each temperature zone.
The using method comprises the following steps:
and (I) cleaning the welding surface of the hard alloy and the tamping pick 23 by using acetone, and airing.
And (II) starting a conveying mechanism, conveying a plurality of heat-insulating slide blocks 12 with the same length as the preheating section 3 and the heating brazing section 5 of the temperature-controlled brazing furnace body into the open slideway, and sealing the furnace chamber by taking heat-resistant partition plates 4 as furnace doors at two ends.
And (III) checking whether the state of the brazing equipment is good and whether various raw and auxiliary materials are prepared, and heating the brazing furnace after confirming various process parameters.
And (IV) sequentially placing the tamping picks 23 on the movable tray 20 of the conveying mechanism through the positioning clamp.
And (V) clamping and assembling the heat insulation slide block 11 on the tamping pick 23.
And (VI) after each zone of the temperature-controlled brazing furnace reaches the target temperature, starting a protective atmosphere gas supply system of the temperature-controlled brazing furnace.
And (seventhly), replacing heat-resistant partition plates 4 at two ends of the temperature-controlled brazing furnace, setting the running speed of a conveying mechanism according to process requirements, starting a stepless speed regulating motor of the conveying mechanism, starting a flue gas collecting system of the temperature-controlled brazing furnace, driving a tamping pick 23 to pass through a hearth of the multi-partition temperature-controlled brazing furnace at a constant speed by a transmission chain 1 of the conveying mechanism, and locally heating the tamping pick 23 and completing brazing in the process that a heat-insulating slide block 11 slides in an opening slide way.
And (eighthly), cooling to the temperature of 220-280 ℃ after the brazing is finished, and then placing the cooled material into a 200 ℃ furnace for heat preservation.
The device accurately controls the target temperature and the residence time in the temperature interval through closed-loop temperature control and speed regulation, thereby ensuring that the welding process conforms to set process parameters and avoiding the influence of temperature unevenness and other human factors; the outer side of the tamping pick 23 is covered by a heat insulation slide block 11 made of heat insulation materials, only the part needing brazing and heating is exposed in a hearth of a furnace body, the energy utilization rate is improved, and the heat insulation slide block 11 is divided into a split structure which is split left and right along the central line for convenient assembly; the device can realize batch production, the production efficiency is 5-10 times of that of a power induction heating power supply, the problems that the corners of the tamping pick in the existing brazing equipment are overheated, uneven in temperature, excessively dependent on the level and working attitude of an operator and the batch production are solved, the health, energy conservation and environmental protection of the operator are considered, and the product quality and the production efficiency are improved.
The utility model discloses because conveying mechanism sets up in control by temperature change brazing furnace outside, effectively avoided conveying mechanism to receive the life problem that the high temperature influences the production, consequently need not heat-resisting material, brazing furnace heaies up and also need not insert protective gas with the cooling in-process, variable furnace chamber has improved energy utilization, energy consumption has been reduced, the equipment investment has also been reduced, good economic benefits and social have, and simultaneously, the zone of heating is kept away from to the operating position and the operating personnel has also made and has kept away from harm such as scald, high temperature flue gas.
The above description is only a preferred and practical embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent variations made by using the contents of the specification and the drawings are included in the scope of the present invention.
Claims (9)
1. The utility model provides a continuous brazing equipment, includes conveying mechanism, frame, control by temperature change brazing furnace, its characterized in that: the bottom of the furnace body of the temperature control brazing furnace is provided with an opening slide way communicated with the furnace chamber, a plurality of heat insulation slide blocks used for clamping a tamping pick are arranged in the opening slide way, a part of the tamping pick to be heated and brazed is arranged in the furnace chamber, a plurality of movable trays are arranged on a transmission chain of the conveying mechanism, the tamping pick is fixed on the movable trays through a positioning fixture, the movable trays of the conveying mechanism drive the heat insulation slide blocks on the tamping pick to slide in the opening slide way, and in the sliding process, the part of the tamping pick to be heated and brazed is locally heated and brazed through a hearth of the temperature control brazing furnace.
2. The continuous brazing apparatus according to claim 1, wherein: the whole furnace body is of a building block type modular structure and comprises an upper cover, side furnace bodies and side furnace bottoms, and an opening slideway is formed between the two side furnace bottoms.
3. The continuous brazing apparatus according to claim 2, wherein: the heat insulation sliding block is of a split structure, a clamping opening matched with the tamping pick is formed in the heat insulation sliding block, and two sides of the heat insulation sliding block are respectively connected with two side furnace bottoms through labyrinth seal structures, so that the heat insulation sliding block keeps tightness in the sliding process.
4. The continuous brazing apparatus according to claim 2, wherein: the opening slide is internally provided with a heat insulation slide block, the heat insulation slide block is fixed on the corresponding movable tray through a support frame, and the two sides of the heat insulation slide block are respectively connected with the two side furnace bottoms through a labyrinth seal structure, so that the heat insulation slide block keeps the sealing performance in the sliding process.
5. The continuous brazing apparatus according to claim 1, wherein: the temperature control brazing furnace is arranged on the frame, the conveying mechanism is arranged outside a furnace body of the temperature control brazing furnace, the inner sides of the supporting legs of the frame are provided with slide rail brackets, the upper ends and the lower ends of the slide rail brackets are respectively provided with fixed slide rails, and two sides of the bottom of the movable tray are respectively provided with limiting slide blocks matched with the corresponding fixed slide rails.
6. The continuous brazing apparatus according to claim 1, wherein: conveying mechanism still includes drive sprocket, driven sprocket, stepless speed regulating motor, lifting support, supporting seat, and the removal tray is evenly arranged on drive chain, and drive sprocket and driven sprocket are connected respectively to drive chain's both ends, and stepless speed regulating motor drives drive sprocket and rotates, and drive sprocket, driven sprocket are fixed respectively on lifting support, and lifting support fixes on the supporting seat and can be on the supporting seat lift adjustment, and conveying mechanism realizes altitude mixture control through the lifting support at both ends.
7. The continuous brazing apparatus according to claim 1, wherein: the hearth of the furnace body is sequentially divided into a preheating section, a heating brazing section and a cooling section from the furnace body inlet to the furnace body outlet, wherein the heating brazing section is divided into a low-temperature area, a medium-temperature area and a high-temperature brazing area.
8. The continuous brazing apparatus according to claim 7, wherein: heat-resisting partition plates are respectively arranged between the heating brazing section and the preheating section as well as between the heating brazing section and the cooling section; the heat-resisting baffle plate is divided into a flat plate type baffle plate and a U-shaped baffle plate; the flat plate type baffle is arranged between the heating brazing section and the preheating section and is used as a furnace door; the U-shaped baffle is arranged between the heating brazing section and the cooling section, and the U-shaped baffle has the same size with the inlet and the outlet of the heating furnace and is used as a part of the heat-insulating layer of the heating furnace.
9. The continuous brazing apparatus according to claim 7, wherein: and at the inlet of the preheating section, the two sides of the low-temperature region, the medium-temperature region and the high-temperature brazing region of the brazing section are heated, and the inlet and the outlet of the cooling section are respectively provided with a heat insulation curtain so as to ensure that the temperature of each temperature region is accurately controlled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920957429.8U CN210080897U (en) | 2019-06-25 | 2019-06-25 | Continuous brazing equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920957429.8U CN210080897U (en) | 2019-06-25 | 2019-06-25 | Continuous brazing equipment |
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| CN210080897U true CN210080897U (en) | 2020-02-18 |
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| CN201920957429.8U Active CN210080897U (en) | 2019-06-25 | 2019-06-25 | Continuous brazing equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110091025A (en) * | 2019-06-25 | 2019-08-06 | 唐山铁路工务器材制造有限公司 | Continuous brazing equipment and method |
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2019
- 2019-06-25 CN CN201920957429.8U patent/CN210080897U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110091025A (en) * | 2019-06-25 | 2019-08-06 | 唐山铁路工务器材制造有限公司 | Continuous brazing equipment and method |
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