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CN-224222907-U - Anti-oxidation protection reflow soldering oven gas circulation device

CN224222907UCN 224222907 UCN224222907 UCN 224222907UCN-224222907-U

Abstract

The utility model discloses an anti-oxidation protection reflow oven gas circulation device, which relates to the technical field of gas circulation and comprises a furnace body, wherein a fan is arranged at the top of the furnace body, an air inlet channel is arranged at the top end of the furnace body, an air outlet of the fan is communicated with the air inlet channel, a plurality of branch pipes are arranged in the furnace body, the cleaning operation of a filter screen is finished through the arrangement of a cleaning structure, when gas passes through a treatment channel, a propeller stirrer rotates under the action of air flow so as to drive a cleaning brush to clean the filter screen, the device finishes the installation and disassembly of the filter screen through the arrangement of an installation structure, a plurality of pull rings are inwards stirred to drive a sliding block and a clamping block to inwards end, then a mounting ring is inserted into the treatment channel until the mounting ring moves to a groove corresponding to the filter screen or an active carbon plate, and the clamping block can be ejected and clamped into the groove on the inner side wall of the treatment channel under the action of a spring so as to fix the mounting ring.

Inventors

  • LIU JIANYUN
  • LI ZHIMING
  • LIN XIN
  • DU HUILIN

Assignees

  • 深圳市旭日东自动化设备工程有限公司

Dates

Publication Date
20260512
Application Date
20250427

Claims (8)

  1. 1. The utility model provides an anti-oxidation protection reflow soldering oven gas circulation device, includes furnace body (1), treatment channel (6), clean structure and mounting structure, a serial communication port, fan (2) are installed at furnace body (1) top, and air inlet channel (3) are installed at furnace body (1) top portion, and the air outlet and air inlet channel (3) of fan (2) are linked together, furnace body (1) internally mounted has a plurality of lateral conduit (4), and lateral conduit (4) are linked together with air inlet channel (3), and a plurality of lateral conduit (4) one end all runs through furnace body (1) and are connected with air-out passageway (5), air-out passageway (5) have treatment channel (6) through flange joint, and inside clean structure and the mounting structure of being provided with of treatment channel (6), treatment channel (6) are kept away from air-out passageway (5) one end and are connected with the air intake of fan (2) through the flange.
  2. 2. The anti-oxidation protection reflow soldering oven gas circulation device according to claim 1, wherein the cleaning structure comprises a fixed block (10), a thread groove (11), a mounting plate (12), a through groove (13), a fixing bolt (14), a rotary disc (15), a rotating shaft (16), a propeller stirrer (17) and a cleaning brush (18), the top end inside the treatment channel (6) is fixedly connected with the fixed block (10), two thread grooves (11) are formed inside the fixed block (10), the fixing bolt (14) is connected to the thread groove (11) in a threaded mode, and one end of the fixing bolt (14) is fixedly connected with the rotary disc (15).
  3. 3. The gas circulation device of the anti-oxidation protection reflow soldering oven according to claim 2, wherein the fixing bolt (14) is inserted with the mounting plate (12), two through grooves (13) matched with the fixing bolt (14) are formed in the mounting plate (12), and the rotating shaft (16) is rotatably connected to the mounting plate (12).
  4. 4. An oxidation protection reflow soldering oven gas circulation device according to claim 3, wherein one end of the rotating shaft (16) is fixedly connected with a propeller stirrer (17), and one end of the rotating shaft (16) far away from the propeller stirrer (17) is fixedly connected with a cleaning brush (18).
  5. 5. The gas circulation device of the anti-oxidation protection reflow soldering oven according to claim 1, wherein the mounting structure comprises grooves (19), mounting rings (20), filter screens (21), active carbon plates (22), guide rods (23), sliding blocks (24), clamping blocks (25), springs (26), sliding grooves (27), pull rings (28) and movable grooves (29), two groups of grooves (19) which are in annular array shapes are formed in the inner side wall of the processing channel (6), the number of the grooves (19) is four, the mounting rings (20) are arranged in the processing channel (6) and are positioned at the two groups of grooves (19), the filter screens (21) are fixedly connected in one mounting ring (20), and the active carbon plates (22) are fixedly connected in the other mounting ring (20).
  6. 6. The gas circulation device of the anti-oxidation protection reflow soldering oven according to claim 5, wherein four movable grooves (29) are formed in the outer side walls of the two mounting rings (20), two guide rods (23) are fixedly connected to the inner parts of the movable grooves (29), sliding blocks (24) are connected to the guide rods (23) in a sliding mode, springs (26) are arranged in the movable grooves (29), one ends of the springs (26) are fixedly connected with the sliding blocks (24), and clamping blocks (25) matched with the grooves (19) are fixedly connected to one ends of the sliding blocks (24) away from the springs (26).
  7. 7. The gas circulation device of the anti-oxidation protection reflow soldering oven according to claim 5, wherein a sliding groove (27) matched with the sliding block (24) is formed at one end of the mounting ring (20), and a pull ring (28) is fixedly connected to one end of the sliding block (24) penetrating through the sliding groove (27).
  8. 8. The gas circulation device of the anti-oxidation protection reflow soldering oven according to claim 1, wherein a dust discharging groove (7) is formed in the bottom of the processing channel (6), the dust discharging groove (7) is located under the cleaning brush (18), a conical pipe (8) is fixedly connected to the bottom end of the processing channel (6) and located at the dust discharging groove (7), and the conical pipe (8) is connected with a collecting pipe (9) through a flange.

Description

Anti-oxidation protection reflow soldering oven gas circulation device Technical Field The utility model relates to the technical field of gas circulation, in particular to an anti-oxidation protection reflow soldering oven gas circulation device. Background In the electronic manufacturing industry, reflow soldering is a common soldering process for soldering a Surface Mount Device (SMD) to a Printed Circuit Board (PCB), in which the temperature of a soldering area is increased, and a metal surface is easily oxidized with oxygen in air to affect soldering quality, thereby causing problems of solder joint cold soldering, poor connection, etc., in which a gas environment in an oven has an important influence on soldering quality, and in order to prevent oxidation during soldering, gas in the oven needs to be circulated to maintain purity and stability of the gas. When the reflow oven gas circulation device works, a filter screen and an active carbon plate are often used for purifying gas, and under the long-time use of the filter screen and the active carbon plate in the traditional reflow oven gas circulation device, the meshes of the filter screen can be blocked by dust, impurities and other particulate matters, and the active carbon plate can gradually reach an adsorption saturation state because harmful substances in the gas are continuously adsorbed, so that the purifying treatment effect of the device on the gas is poor. Accordingly, a person skilled in the art provides an anti-oxidation protection reflow oven gas circulation device to solve the above-mentioned problems in the background art. Disclosure of utility model The utility model aims to provide an anti-oxidation protection reflow oven gas circulation device so as to solve the problems in the background technology. In order to achieve the above purpose, the present utility model provides the following technical solutions: The utility model provides an anti-oxidation protection reflow soldering oven gas circulation device, includes furnace body, treatment channel, clean structure and mounting structure, its characterized in that, the fan is installed at the furnace body top, and the air inlet passageway is installed to furnace body top portion, and the air outlet and the air inlet passageway of fan are linked together, furnace body internally mounted has a plurality of lateral pipes, and lateral pipe is linked together with the air inlet passageway, and a plurality of lateral pipe one end all runs through the furnace body and be connected with the air-out passageway, the air-out passageway has the treatment channel through flange joint, and the inside clean structure and the mounting structure of being provided with of treatment channel, treatment channel keeps away from air-out passageway one end and is connected with the air intake of fan through the flange. As a further scheme of the utility model, the cleaning structure comprises a fixed block, a thread groove, a mounting plate, a through groove, a fixing bolt, a rotary disc, a rotating shaft, a propeller type stirrer and a cleaning brush, wherein the top end of the inside of the treatment channel is fixedly connected with the fixed block, two thread grooves are formed in the fixed block, the thread grooves are connected with the fixing bolt in a threaded manner, and one end of the fixing bolt is fixedly connected with the rotary disc. As a still further scheme of the utility model, the fixing bolt is inserted with a mounting plate, two through grooves matched with the fixing bolt are formed in the mounting plate, and the mounting plate is rotatably connected with a rotating shaft. As a still further proposal of the utility model, one end of the rotating shaft is fixedly connected with a propeller type stirrer, and one end of the rotating shaft far away from the propeller type stirrer is fixedly connected with a cleaning brush. As a still further scheme of the utility model, the installation structure comprises grooves, installation rings, filter screens, active carbon plates, guide rods, sliding blocks, clamping blocks, springs, sliding grooves, pull rings and movable grooves, wherein two groups of grooves in the shape of annular arrays are formed in the inner side wall of the treatment channel, the number of one group of grooves is four, the installation rings are arranged in the treatment channel and are positioned at the two groups of grooves, the filter screens are fixedly connected in one installation ring, and the active carbon plates are fixedly connected in the other installation ring. As a still further scheme of the utility model, four movable grooves are formed in the outer side walls of the two mounting rings, two guide rods are fixedly connected to the inner parts of the movable grooves, sliding blocks are connected to the guide rods in a sliding mode, springs are arranged in the movable grooves, one ends of the springs are fixedly connected with the sliding blocks, and clamping