CN213680818U - Upper seal roller spacing adjusting device - Google Patents
Upper seal roller spacing adjusting device Download PDFInfo
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- CN213680818U CN213680818U CN202022658858.0U CN202022658858U CN213680818U CN 213680818 U CN213680818 U CN 213680818U CN 202022658858 U CN202022658858 U CN 202022658858U CN 213680818 U CN213680818 U CN 213680818U
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- cylinder
- transmission shaft
- upper seal
- interval adjusting
- seal roller
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Abstract
The utility model discloses an upper seal roller interval adjusting device, including vertical cylinder and horizontally transmission shaft, the articulated installation of lower extreme of cylinder is fixed, the articulated connecting rod in upper end just can drive the transmission shaft rotation through the connecting rod, and what the transmission shaft supported installs on the bearing frame, and the installation is fixed with the sprocket on the transmission shaft, and the cooperation of sprocket upper portion is around there being the chain, and the one end of chain is downward and connect counter weight, the other end and downwards just connect the connection furnace gate, and upper seal roller installs on last furnace gate. The device both can avoid the production between the sealed roller interval too big, practice thrift the nitrogen gas quantity, can avoid again the welding seam because the disconnected area risk that the clearance undersize leads to when sealed roller.
Description
Technical Field
The utility model belongs to an annealing stove field, concretely relates to go up sealed roller interval adjusting device.
Background
The strip steel horizontal annealing furnace is filled withControlled atmosphere (N)2+H2) Air is strictly forbidden, so that sealed chambers are arranged at the inlet and the outlet of the annealing furnace and used for preventing the controlled atmosphere from overflowing and preventing the environmental air from invading. One sealing chamber adopts double-roller sealing, and the strip steel passes through the sealing rollers arranged up and down, and the sealing effect is achieved by adjusting the distance between the upper sealing roller and the strip steel.
As the strip steel needs to pass through the sealing chamber, a large amount of nitrogen is introduced into the sealing chamber to isolate the ambient air from entering the furnace. In order to improve the surface quality of the strip steel and prevent strip breakage, the upper sealing roller cannot be in contact with the surface of the strip steel, and in order to improve the sealing effect, save the nitrogen consumption and prevent potential safety hazards caused by large leakage of nitrogen, the smaller the distance between the upper sealing roller and the strip steel is, the better the effect is.
However, the thickness of the strip steel at the welding seam position where different steel coils are connected in production is thick, and the strip steel is easy to contact with an upper sealing roller to cause the risk of strip breakage when passing through the sealing roller with a small gap.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an go up sealed roller interval adjusting device, the device both can avoid the production between the sealed roller interval too big, practices thrift the nitrogen gas quantity, can avoid again the welding seam because the disconnected area risk that the clearance undersize leads to in the time of sealed roller.
The utility model adopts the technical proposal that:
the utility model provides an upper seal roller interval adjusting device, includes vertical cylinder and horizontally transmission shaft, and the articulated installation of lower extreme of cylinder is fixed, the articulated connecting rod in upper end just can drive the transmission shaft rotation through the connecting rod, and what the transmission shaft supported installs on the bearing frame, and the installation is fixed with the sprocket on the transmission shaft, and the cooperation of sprocket upper portion is around there being the chain, and the one end of chain is downward and connect counter weight, the other end downward and connect the connection furnace gate, and upper seal roller installs on last furnace gate.
Furthermore, the cylinder adopts a double-head double-acting cylinder, and has large and small strokes.
Furthermore, the cylinder body of the air cylinder is internally divided into a small stroke cavity and a large stroke cavity which are mutually independent, piston push rods matched with the small stroke cavity and the large stroke cavity respectively penetrate through two ends of the cylinder body in a sealing mode, a compressed air source is divided into two paths after passing through the air source processing assembly and is respectively connected into P ports of two middle-sealed three-position five-way electromagnetic directional valves, an A port and a B port of one three-position five-way electromagnetic directional valve are respectively communicated with the rodless side of the small stroke cavity and the rodless side of the small stroke cavity through a one-way throttle valve, an A port and a B port of the other three-position five-way electromagnetic directional valve are respectively communicated with the rodless side of the large stroke cavity and the rodless side of the large stroke cavity through a one-way throttle valve, and EA ports and EB ports.
Further, the air source processing assembly is a pneumatic triple piece.
Further, the speed regulating valve is provided with a silencer.
Furthermore, two groups of chain wheels and chains are fixedly arranged on the transmission shaft, and the two groups of chains are connected to the balance weight and two sides of the upper furnace door.
Further, the lower extreme of cylinder passes through cylinder installation base articulated installation fixed.
Further, the bearing support is raised by the bracket.
The utility model has the advantages that:
the device is controlled last sealed roller with the cylinder, can lift up the certain height with last sealed roller when the strip steel welding seam is about to pass through last sealed roller, and the welding seam falls down last sealed roller after passing through again, and the interval is too big between the sealed roller in both can avoiding producing, practices thrift the nitrogen gas quantity, can avoid again the welding seam because the disconnected area risk that the clearance undersize leads to when sealed roller.
Drawings
Fig. 1 is a schematic view of an upper seal roller interval adjusting device on a transmission side in the embodiment of the present invention.
Fig. 2 is a first cross-sectional view of an upper seal roller interval adjusting device in an embodiment of the present invention.
Fig. 3 is a second cross-sectional view of the upper seal roller interval adjusting device in the embodiment of the present invention.
Fig. 4 is a pneumatic schematic diagram of the cylinder in the embodiment of the present invention.
In the figure: 1-a cylinder; 2-a connecting rod; 3-a sprocket; 4-a chain; 5-installing a base on the cylinder; 6-small stroke air inlet and outlet; 7-large stroke air inlet and outlet; 8-counterweight; 9-upper oven door; 10-upper sealing roller; 11-lower oven door; 12-lower sealing roll; 13-a bearing seat; 14-a drive shaft; 15-a scaffold; a-a pneumatic triplet; b-a speed regulating valve; c-a muffler; d-a three-position five-way electromagnetic directional valve; e-one-way throttle valve.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples.
As shown in figures 1 to 3, an upper sealing roller distance adjusting device comprises a vertical cylinder 1 and a horizontal transmission shaft 14, the lower end of the cylinder 1 is hinged and fixedly installed, the upper end of the cylinder 1 is hinged and fixedly installed with a connecting rod 2 and can drive the transmission shaft 14 to rotate through the connecting rod 2, the transmission shaft 14 is supported and installed on a bearing seat 13, a chain wheel 3 is installed and fixedly arranged on the transmission shaft 14, the upper portion of the chain wheel 3 is wound with a chain 4 in a matching mode, one end of the chain 4 is downward and is connected with a balance weight 8, the other end of the chain is downward and is connected with an upper furnace door 9, an upper sealing roller 10 is installed on the upper furnace door 9, a lower sealing roller 12 is installed on a lower furnace door2. The device is controlled last sealed roller 10 with cylinder 1, can lift up sealed roller 10 by a take the steel welding seam and rise the take the altitude when being about to pass through last sealed roller 10, and the welding seam falls sealed roller 10 after passing through again, and the interval is too big between the sealed roller in both can avoiding producing, practices thrift the nitrogen gas quantity, can avoid again the welding seam because the disconnected area risk that the clearance undersize leads to when sealed roller.
As shown in fig. 1 and 3, in the present embodiment, the lower end of the cylinder 1 is fixed by the cylinder mounting base 5.
As shown in fig. 3, in the present embodiment, two sets of sprockets 3 and chains 4 are fixed on the transmission shaft 14, and two sets of chains 4 are connected to two sides of the counterweight 8 and the upper furnace door 9.
As shown in fig. 3, in the present embodiment, the bearing housing 13 is raised by the bracket 15.
In the embodiment, the cylinder 1 adopts a double-head double-acting cylinder, and has large and small strokes. Because the annealing furnaces are provided with the welding seam detection devices, the positions of the welding seams can be monitored at any time according to the running speed of the unit, so that the signals can be linked with the cylinder 1, when the welding seams are about to pass through the upper sealing roller 10, the small stroke of the cylinder 1 is lifted, and after the welding seams pass through the upper sealing roller 10, the small stroke of the cylinder 1 is reset; when the maintenance is needed, the large stroke of the cylinder 1 is lifted, and after the maintenance, the large stroke of the cylinder 1 is reset. The arrangement of large and small strokes not only ensures the control precision, but also improves the efficiency.
As shown in fig. 4, in this embodiment, the cylinder body of the air cylinder 1 is internally divided into a small stroke cavity and a large stroke cavity which are independent from each other, piston push rods which are matched with the small stroke cavity and the large stroke cavity respectively penetrate through two ends of the cylinder body in a sealing manner, a compressed air source passes through the air source processing assembly and then is divided into two paths and respectively connected to P ports of two middle-sealed three-position five-way electromagnetic directional valves d, an a port and a B port of one three-position five-way electromagnetic directional valve d are respectively communicated with a rodless side of the small stroke cavity and a rod side of the small stroke cavity through a one-way throttle valve e, an a port and a B port of the other three-position five-way electromagnetic directional valve d are respectively communicated with a rod side of the large stroke cavity and a rodless side of the large stroke cavity through a one-way throttle valve e, and EA. The middle seal means that all interfaces are not communicated when the interface is in the middle position.
As shown in FIG. 4, in the present embodiment, the air source processing component is a pneumatic triplet a. The pneumatic triple piece a is an air filter, a pressure reducing valve and an oil atomizer.
As shown in fig. 4, in the present embodiment, the speed control valve b is provided with a muffler c.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are considered to be within the scope of the invention as defined by the following claims.
Claims (8)
1. The utility model provides an go up seal roll interval adjusting device which characterized in that: including vertical cylinder and horizontally transmission shaft, the articulated installation of the lower extreme of cylinder is fixed, the articulated connecting rod in upper end just can drive the transmission shaft rotation through the connecting rod, the installation that the transmission shaft supported is on the bearing frame, the installation is fixed with the sprocket on the transmission shaft, the cooperation of sprocket upper portion is around having the chain, the one end of chain is downward and connect counter weight, the other end is downward and connect the connection furnace gate, go up sealed roller and install on last furnace gate.
2. The upper seal roller interval adjusting apparatus as set forth in claim 1, wherein: the cylinder adopts a double-head double-acting cylinder and has large and small strokes.
3. The upper seal roller interval adjusting apparatus as set forth in claim 2, wherein: the cylinder body of the cylinder is internally divided into a small stroke cavity and a large stroke cavity which are mutually independent, piston push rods matched with the small stroke cavity and the large stroke cavity respectively penetrate through two ends of the cylinder body in a sealing mode, a compressed air source is divided into two paths after passing through an air source processing assembly and is respectively connected into P ports of two middle-sealed three-position five-way electromagnetic directional valves, an A port and a B port of one three-position five-way electromagnetic directional valve are respectively communicated with the rodless side of the small stroke cavity and the rodless side of the small stroke cavity through a one-way throttle valve, an A port and a B port of the other three-position five-way electromagnetic directional valve are respectively communicated with the rodless side of the large stroke cavity and the rodless side of the large stroke cavity through a one-way throttle valve, and EA ports and EB.
4. The upper seal roller interval adjusting apparatus as set forth in claim 3, wherein: the air source processing component is a pneumatic triple piece.
5. The upper seal roller interval adjusting apparatus as set forth in claim 3, wherein: the speed regulating valve is provided with a silencer.
6. The upper seal roller interval adjusting apparatus as set forth in any one of claims 1 to 5, wherein: two groups of chain wheels and chains are fixedly arranged on the transmission shaft, and the two groups of chains are connected to the balance weight and the two sides of the upper furnace door.
7. The upper seal roller interval adjusting apparatus as set forth in any one of claims 1 to 5, wherein: the lower end of the cylinder is hinged, installed and fixed through a cylinder installation base.
8. The upper seal roller interval adjusting apparatus as set forth in any one of claims 1 to 5, wherein: the bearing seat is lifted by the bracket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022658858.0U CN213680818U (en) | 2020-11-17 | 2020-11-17 | Upper seal roller spacing adjusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022658858.0U CN213680818U (en) | 2020-11-17 | 2020-11-17 | Upper seal roller spacing adjusting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213680818U true CN213680818U (en) | 2021-07-13 |
Family
ID=76734328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022658858.0U Active CN213680818U (en) | 2020-11-17 | 2020-11-17 | Upper seal roller spacing adjusting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213680818U (en) |
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2020
- 2020-11-17 CN CN202022658858.0U patent/CN213680818U/en active Active
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