A fully automated double-line cold rolling mill production line

Abstract

The invention discloses a fully automated double-line cold-rolling tube mill production line, comprising a first automatic loading device, a second automatic loading device, a material ejecting trolley, a transmission chain gear, a No. 1 rotary chuck, a rotary box, a left cylinder, a first servo motor, a left feeding body, a No. 3 feeding chuck, a right feeding body, an electric cabinet, a third rotary box, a matching box, a main operating table, a No. 4 feeding chuck, a tail servo motor, a rolling frame, an automatic pulling device and an automatic unloading device. The invention optimizes the second automatic loading device, which can be adjusted when loading is required, and the tube body can be placed on the corresponding transmission line, thereby enhancing the loading efficiency and improving the degree of automation; the matching box and the automatic pulling device are optimized, which is conducive to ensuring the relative balance of the tube body and reducing the deviation, and the roller and the roller are conducive to transferring and sending out the cold-rolled tube, and the wheel body is provided with an adaptive groove for cooperation, so that the overall transfer is stable and the transfer efficiency is high.

Description

Technical Field

[0001] The invention relates to the field related to cold-rolled tube production, in particular to a fully automated double-line cold-rolled tube mill production line. Background Art

[0002] The cold rolling mill is a process equipment that uses an annular hole to cold roll the rough pipe. The machine has good blanking performance and can also roll non-ferrous metal seamless pipes of ordinary precision. The biggest feature of the cold rolling mill is the high material utilization rate, and the precision and surface roughness are better than the cold drawn tube. The fully automated double-line cold rolling mill production line is a cold rolling mill production line that realizes double-tube processing and production. The automated production line refers to the continuity of the processing process. At that time, due to the single setting of the overall structure of the cold rolling mill, after processing, the material needs to be manually loaded, which is more troublesome, and the crank drive coordination balance effect is poor, and the use effect is general. The existing fully automated double-line cold rolling mill production line has the following disadvantages:

[0003] 1. It is impossible to control the hydraulic cylinder to drive the tube blank, resulting in low feeding efficiency and reduced automation;

[0004] 2. It is impossible to enhance the dynamic balance during use, resulting in obvious operational vibration and reduced efficiency. Summary of the invention

[0005] Therefore, in order to solve the above-mentioned shortcomings, the present invention provides a fully automated double-line cold rolling mill production line.

[0006] The present invention is implemented in this way: a fully automated double-line cold rolling tube mill production line is constructed, which includes a first automatic loading device, a second automatic loading device, a material ejecting trolley, a transmission chain gear, a No. 1 rotary chuck, a rotary box, a left cylinder, a first servo motor, a left feeding body, an auxiliary operating table, a No. 2 rotary chuck, a sub-rotating box, a right cylinder, a second servo motor, a No. 3 feeding chuck, a right feeding body, an electric cabinet, a third rotary box, a matching box, a main operating table, a No. 4 feeding chuck, a tail servo motor, a rolling frame, an automatic pulling device and an automatic unloading device. The first automatic loading device is located on the left side of the material ejecting trolley, and a transmission chain gear is fixedly installed on the right side of the material ejecting trolley. The No. 1 rotary chuck transmission It is connected to the rotary box, a left cylinder is fixedly installed on the side end of the rotary box, the first servo motor is fixedly installed on the back side end of the rotary box, a No. 2 rotary chuck is arranged opposite to the right side of the left feeding machine body, the auxiliary operating table is electrically connected to the first servo motor, the No. 2 rotary chuck and the No. 1 rotary chuck are located on the same center, the back side of the sub-rotary box is transmission-connected with the second servo motor, the side end of the sub-rotary box is fastened with a right cylinder, the No. 3 feeding chuck is arranged on the right feeding machine body, the electric cabinet is electrically connected to the second servo motor, the third rotary box is mounted on the right side of the right feeding machine body, the main operating table is electrically connected to the tail servo motor, the No. 4 feeding chuck is mounted on the left side of the rolling frame, and the automatic unloading The left side of the device is locked and installed on the rolling frame, the second automatic feeding device is symmetrically arranged with the first automatic feeding device, the matching box is fixedly installed on the right side of the right feeding body, the automatic pulling device is assembled and installed on the right side of the rolling frame, the second automatic feeding device includes a driving member, a limiting support plate, a baffle block, a placement block, a connecting frame, a first transmission line and a second transmission line, the driving member is fixedly installed on the left side of the first transmission line and the second transmission line, the setting height of the limiting support plate is greater than the height of the placement block, the baffle block is welded to the limiting support plate, the placement block and the connecting frame are welded to each other, the right side of the first transmission line and the second transmission line extends to the left feeding body, the matching box includes a left shaft, a chain, a center box, a right A shaft rod, a transmission platform and a driving motor, a chain is engaged on the left shaft rod, the left side of the left shaft rod is rotatably installed on the third rotary box, the right side of the center box is rotatably installed with the right shaft rod, a No. 4 feeding chuck is slidably installed on the transmission platform, the driving motor is locked and installed on the back side of the center box, the automatic pulling device includes an output motor, a pulling and rotating baffle, a small motor, a transfer box, rollers, rollers and a pulling rack, the output motor is mounted on the bottom end of the right side of the pulling and rotating baffle, the left side of the small motor is transmission-connected to the transfer box, the center of the front end of the transfer box is rotatably installed with a roller, the side end of the transfer box is locked and installed on the right side of the rolling frame by screws, the roller is located on the left side of the roller, and the roller is mounted on the left side of the pulling rack.

[0007] Preferably, the left cylinder comprises a cylinder body, a push rod and a linkage frame, the cylinder body is embedded with a push rod, the push rod is locked and installed on both sides of the linkage frame, and the linkage frame is embedded with a No. 1 rotary chuck.

[0008] Preferably, the first transmission line and the second transmission line have the same width.

[0009] Preferably, the first servo motor and the second servo motor have the same specifications.

[0010] Preferably, a left feeding body is arranged between the rotary box and the sub-rotary box.

[0011] Preferably, a right feeding body is arranged between the sub-rotating box and the third rotating box.

[0012] Preferably, there are four drive motors in total, and they have the same specifications and sizes.

[0013] Preferably, the tail servo motor is mounted on the left end.

[0014] Preferably, two of the No. 1 rotary chuck and two of the No. 2 rotary chuck are provided.

[0015] Preferably, there are four electrical cabinets in total, three of which are large electrical cabinets and one is a small electrical cabinet.

[0016] Preferably, the first servo motor and the second servo motor are of BL series, and the specific models are designed or customized according to actual usage.

[0017] Preferably, the left shaft is made of stainless steel and has strong rust resistance.

[0018] The present invention has the following advantages: The present invention provides a fully automated double-line cold rolling mill production line through improvement, which has the following improvements compared with the same type of equipment:

[0019] Advantage 1: The fully automated double-line cold rolling tube mill production line described in the present invention solves the problem that the hydraulic cylinder cannot be controlled to drive the tube blank, resulting in low feeding efficiency and reduced automation. A second automatic feeding device is set up through optimization, and multiple cold-rolled tubes are placed on the placement block. The edge of the limiting support plate is set above the first transmission line and the second transmission line. A hydraulic system is set under the connecting frame, which can be adjusted when feeding is needed to place the tube body on the corresponding transmission line, thereby enhancing feeding efficiency and improving automation.

[0020] Advantage 2: The fully automated double-line cold-rolling tube mill production line described in the present invention solves the problem that the dynamic balance cannot be enhanced during use, resulting in obvious operation jitter and reduced efficiency. By optimizing the arrangement of a matching box and an automatic pulling device, it is driven by a driving motor and utilizes the transmission combination between gears to realize the rotation of the left shaft rod, and controls the corresponding hollow gripper to transfer the tube body in or out. The left shaft rod and the right shaft rod are coaxially arranged, which is beneficial to ensure the relative balance of the tube body and reduce deviation. The rollers and rollers are beneficial to the transfer and delivery of the cold-rolled tube. The wheel body is provided with adaptive grooves for cooperation, and the overall transfer is smooth with high transfer efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the structure of the present invention;

[0022] Figure 2 It is a structural schematic diagram of the second automatic feeding device of the present invention;

[0023] Figure 3 It is a schematic diagram of the structure of the left cylinder of the present invention;

[0024] Figure 4 It is a schematic diagram of the structure of the matching box of the present invention;

[0025] Figure 5 It is a structural schematic diagram of the automatic material pulling device of the present invention.

[0026] Among them: the first automatic loading device-1, the second automatic loading device-2, the ejector trolley-3, the transmission chain gear-4, the first rotary chuck-5, the rotary box-6, the left cylinder-7, the first servo motor-8, the left feeding machine body-9, the auxiliary operation table-10, the second rotary chuck-11, the sub-rotary box-12, the right cylinder-13, the second servo motor-14, the third feeding chuck-15, the right feeding machine body-16, the electric cabinet-17, the third rotary box-18, the matching box-19, the main operation table-20, the fourth feeding chuck-21, the tail servo motor-22, the rolling frame-2 3. Automatic material pulling device-24, automatic material unloading device-25, driving part-201, limiting support plate-202, blocking block-203, placing block-204, connecting frame-205, first transmission line-206, second transmission line-207, left shaft-1901, chain-1902, center box-1903, right shaft-1904, transmission platform-1905, driving motor-1906, output motor-2401, pulling and rotating baffle-2402, small motor-2403, transfer box-2404, roller-2405, roller-2406, material pulling rack-2407. DETAILED DESCRIPTION

[0027] The following will be combined with the attached Figure 1-5The present invention is described in detail, and the technical solutions in the embodiments of the present invention are clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0028] The present invention provides a fully automated double-line cold rolling mill production line through improvement, including a first automatic feeding device 1, a second automatic feeding device 2, a feeding trolley 3, a transmission chain gear 4, a No. 1 rotary chuck 5, a rotary box 6, a left cylinder 7, a first servo motor 8, a left feeding body 9, an auxiliary operating table 10, a No. 2 rotary chuck 11, a sub-rotating box 12, a right cylinder 13, a second servo motor 14, a No. 3 feeding chuck 15, a right feeding body 16, an electric cabinet 17, a third rotary box 18, a matching box 19, a main operating table 20, a No. 4 feeding chuck 21, a tail servo motor 22, a rolling frame 23, an automatic pulling device 24 and an automatic unloading device 25. The first automatic feeding device 1 is located on the left side of the feeding trolley 3, and the feeding trolley A transmission chain gear 4 is fixedly installed on the right side of the left feeding body 9, a No. 1 rotary chuck 5 is connected to the rotary box 6 by transmission, a left cylinder 7 is fixedly installed on the side end of the rotary box 6, a first servo motor 8 is fixedly installed on the back side end of the rotary box 6, a No. 2 rotary chuck 11 is arranged on the right side of the left feeding body 9, an auxiliary operating table 10 is electrically connected to the first servo motor 8, the No. 2 rotary chuck 11 and the No. 1 rotary chuck 5 are located on the same center, a second servo motor 14 is connected to the back side of the sub-rotary box 12 by transmission, a right cylinder 13 is fixedly installed on the side end of the sub-rotary box 12, a No. 3 feeding chuck 15 is arranged on the right feeding body 16, an electric cabinet 17 is electrically connected to the second servo motor 14, a third rotary box 18 is mounted on the right side of the right feeding body 16, a main operating table 20 is connected to the tail servo motor 22 is electrically connected, the fourth feeding chuck 21 is mounted on the left side of the rolling frame 23, the left side of the automatic unloading device 25 is locked and installed on the rolling frame 23, the second automatic feeding device 2 is symmetrically arranged with the first automatic feeding device 1, the matching box 19 is fixedly installed on the right side of the right feeding body 16, the automatic pulling device 24 is assembled and installed on the right side of the rolling frame 23, the second automatic feeding device 2 includes a driving member 201, a limiting support plate 202, a baffle block 203, a placement block 204, a connecting frame 205, a first transmission line 206 and a second transmission line 207, the driving member 201 is fixedly installed on the left side of the first transmission line 206 and the second transmission line 207, the limiting support plate 202 is set at a height greater than the height of the placement block 204, and the baffle block 203 is welded to the limiting support plate 202. On the support plate 202, the placement block 204 and the connecting frame 205 are welded to each other, and the first transmission line 206 and the second transmission line 207 extend to the left feeding body 9 on the right side, so as to form a complete production line and facilitate the processing of cold-rolled tubes. The matching box 19 includes a left shaft 1901, a chain 1902, a center box 1903, a right shaft 1904, a transmission platform 1905 and a driving motor 1906. The chain 1902 is engaged on the left shaft 1901, and the left side of the left shaft 1901 is rotatably installed on the third rotary box 18, and the right shaft 1904 is rotatably installed on the right side of the center box 1903. The fourth feeding chuck 21 is slidably installed on the transmission platform 1905, which is convenient for the transfer of the tube blank, and the driving motor 1906 is locked and installed on the back side of the center box 1903.The automatic material pulling device 24 includes an output motor 2401, a pull-rotation baffle 2402, a small motor 2403, a transfer box 2404, a roller 2405, a roller 2406 and a material pulling frame 2407. The output motor 2401 is mounted on the bottom right of the pull-rotation baffle 2402. The left side of the small motor 2403 is connected to the transfer box 2404 by transmission. The roller 2405 is installed at the center of the front end of the transfer box 2404. The side end of the transfer box 2404 is fixed to the right side of the rolling frame 23 by screws, which is easy to disassemble and has a good fixing effect. The roller 2405 is located on the left side of the roller 2406, and the roller 2406 is mounted on the left side of the material pulling frame 2407.

[0029] Furthermore, the left cylinder 7 includes a cylinder body 71, a push rod 72 and a linkage frame 73. The push rod 72 is embedded in the cylinder body 71. The push rod 72 is locked and installed on both sides of the linkage frame 73. The linkage frame 73 is embedded with a No. 1 rotary chuck 5.

[0030] Furthermore, the first transmission line 206 and the second transmission line 207 are set to have the same width, which is convenient for transferring the cold-rolled tube and realizing the corresponding function.

[0031] Furthermore, the first servo motor 8 and the second servo motor 14 have the same specifications, which is convenient for synchronous transmission operation and conducive to driving.

[0032] Furthermore, a left feeding body 9 is provided between the rotary box 6 and the sub-rotary box 12 to facilitate connection to form a complete transfer production line.

[0033] Furthermore, a right feeding body 16 is provided between the sub-rotary box 12 and the third rotary box 18 .

[0034] Furthermore, there are four drive motors 1906 in total, and they have the same specifications and sizes and cooperate with each other to form a complete operation process.

[0035] Furthermore, the tail servo motor 22 is mounted on the left end.

[0036] Furthermore, two of the first rotary chuck 5 and the second rotary chuck 11 are provided.

[0037] Furthermore, there are four electric cabinets 17, three of which are large electric cabinets and one is a small electric cabinet, and distributed control is beneficial to ensure the accuracy of control.

[0038] Furthermore, the first servo motor 8 and the second servo motor 14 are of BL series, and the specific models are designed or customized according to actual usage.

[0039] Furthermore, the left shaft 1901 is made of stainless steel and has strong rust resistance.

[0040] The present invention provides a fully automated double-line cold rolling mill production line through improvement, which operates in the following manner;

[0041] First, the No. 1 rotary chuck 5 is equipped with two upper and lower hydraulic cylinders, hydraulic rods, and hydraulic thrust to realize the movement of the claws and automatic clamping, which replaces manual labor, saves manpower and improves work efficiency. At the same time, the double chuck design is used for double-line cold rolling tube mill double-line processing, which can fix and clamp two pipe workpieces at the same time to cooperate with double-line production;

[0042] Second, the left feeding body 9 is used in a double-line cold rolling mill, and is equipped with two dies to realize the simultaneous processing of double tubes. The structure is optimized and can be used in double-line production at the same time. A special frame is set according to the double-die of the double-line cold rolling mill to cooperate with the double-die processing;

[0043] Third, the right feeding body 16 is used in conjunction with the double-line cold rolling mill production, and the double-line feeding body assists in the transfer;

[0044] Fourth, the matching box 19 transfers the tube blank transferred from the right feeding machine body 16 to the roller table, and then the roller table feeds it to the material plate, and enters the fourth feeding chuck 21 for subsequent processing;

[0045] Fifth, the No. 4 feeding chuck 21 delivers the material to the transmission track, and the motor passes through the sprocket, and the chain drives the roller to deliver the tube blank to the pinch roller device arranged opposite to each other, and the pinch roller automatically pushes the material to the next process;

[0046] Sixth, the tube is processed by the automatic pulling device 24, the output motor 2401 outputs the main force, the small motor 2403 cooperates with the output, the roller 2405 and the roller 2406 send the tube out, and then the automatic unloading device 25 unloads the tube;

[0047] Seventh, the automatic pulling device 24 is used for pulling pipes at the discharge end of the cold rolling mill. By adding a hydraulic cylinder, a hydraulic transmission shaft, and two nylon rollers to the transmission shaft, the nylon rollers can rotate to automatically drive the material to be discharged. The nylon rollers are soft and have a cylindrical structure to protect the quality of the workpiece.

[0048] The present invention provides a fully automated double-line cold-rolling tube mill production line through improvement. The second automatic loading device 2 is optimized and arranged. A plurality of cold-rolled tubes are placed on the placement block 204. The edge of the limiting support plate 202 is arranged above the first transmission line 206 and the second transmission line 207. A hydraulic system is arranged below the connecting frame 205. When loading is required, it can be adjusted to place the tube body on the corresponding transmission line, thereby enhancing the loading efficiency and improving the degree of automation. The matching box 19 and the automatic pulling device 24 are optimized and arranged. The drive motor 1906 drives the left shaft 1901 to rotate by utilizing the transmission combination between gears. The corresponding hollow gripper is controlled to transfer the tube body in or out. The left shaft 1901 is coaxially arranged with the right shaft 1904, which is beneficial to ensuring the relative balance of the tube body and reducing deviation. The roller 2405 and the roller 2406 are beneficial to transferring and sending out the cold-rolled tube. The wheel body is provided with matching grooves for cooperation. The overall transfer is stable and the transfer efficiency is high.

[0049] The above shows and describes the basic principle, main features and advantages of the present invention, and the standard parts used in the present invention can be purchased from the market, and special-shaped parts can be customized according to the description in the specification and the drawings. The specific connection methods of each part adopt the conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt the conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here.

[0050] The above description of the disclosed embodiments enables one skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to one skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but rather to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A fully automated double-line cold rolling mill production line, comprising a first automatic loading device (1), a feeding trolley (3), a transmission chain gear (4), a first rotary chuck (5), a rotary box (6), a left cylinder (7), a first servo motor (8), a left feeding body (9), an auxiliary operating table (10), a second rotary chuck (11), a sub-rotary box (12), a right cylinder (13), a second servo motor (14), a third feeding chuck (15), and a right feeding body (16 ), an electric cabinet (17), a third rotary box (18), a main operating table (20), a fourth feeding chuck (21), a tail servo motor (22), a rolling frame (23) and an automatic unloading device (25), wherein the first automatic feeding device (1) is located on the left side of the ejecting trolley (3), a transmission chain gear (4) is fixedly installed on the right side of the ejecting trolley (3), the first rotary chuck (5) is transmission-connected to the rotary box (6), and the side end of the rotary box (6) is fastened with a left The cylinder (7) is provided with a first servo motor (8) fixedly mounted on the back side of the rotary box (6). A second rotary chuck (11) is arranged on the right side of the left feeding machine body (9). The auxiliary operation table (10) is electrically connected to the first servo motor (8). The second rotary chuck (11) and the first rotary chuck (5) are located on the same center. The back side of the sub-rotary box (12) is transmission-connected with a second servo motor (14). The side end of the sub-rotary box (12) is fastened with a right The cylinder (13), the third feeding chuck (15) is arranged on the right feeding machine body (16), the electric cabinet (17) is electrically connected to the second servo motor (14), the third rotary box (18) is mounted on the right side of the right feeding machine body (16), the main operating table (20) is electrically connected to the tail servo motor (22), the fourth feeding chuck (21) is mounted on the left side of the rolling frame (23), and the left side of the automatic unloading device (25) is locked and installed on the rolling frame (23); Features: The invention also comprises a second automatic feeding device (2), a matching box (19) and an automatic material pulling device (24), wherein the second automatic feeding device (2) is symmetrically arranged with the first automatic feeding device (1), the matching box (19) is fixedly installed on the right side of the right feeding machine body (16), the automatic material pulling device (24) is assembled and installed on the right side of the rolling frame (23), the second automatic feeding device (2) comprises a driving member (201), a limiting support plate (202), a blocking block (203), a placing block (204), a connecting frame (205), a first transmission line (206) and a second transmission line (207), the driving member (201 ... driving member (201) is fixedly installed on the right side of the right feeding machine body (16), the automatic material pulling device (24) is assembled and installed on the right side of the rolling frame (23), the driving member (201) is fixedly installed on the right side of the right feeding machine body (16), the automatic material pulling device (24) is assembled and installed on the right side of the rolling frame (23), the driving member (2 The moving part (201) is fixedly installed on the left side of the first transmission line (206) and the second transmission line (207); the height of the limit support plate (202) is greater than the height of the placement block (204); the blocking block (203) is welded to the limit support plate (202); the placement block (204) and the connecting frame (205) are welded to each other; the right side of the first transmission line (206) and the second transmission line (207) extends to the left feeding machine body (9); the matching box (19) includes a left shaft rod (1901), a chain (1902), a center box (1903), a right shaft rod (1904), and a transmission platform (190 5), a driving motor (1906), a chain (1902) is engaged on the left shaft (1901), the left side of the left shaft (1901) is rotatably mounted on the third rotary box (18), the right side of the center box (1903) is rotatably mounted with a right shaft (1904), a No. 4 feeding chuck (21) is slidably mounted on the transmission platform (1905), the driving motor (1906) is locked and mounted on the back side of the center box (1903), the automatic pulling device (24) includes an output motor (2401), a pulling and rotating baffle (2402), a small motor (2403), a transfer box (24 04), roller (2405), rolling roller (2406) and material pulling frame (2407), the output motor (2401) is mounted on the bottom end of the right side of the pulling and rotating baffle (2402), the left side of the small motor (2403) is connected to the transfer box (2404) by transmission, the front end of the transfer box (2404) is rotatably mounted with a roller (2405), the side end of the transfer box (2404) is fixed to the right side of the rolling frame (23) by screws, the roller (2405) is located on the left side of the rolling roller (2406), and the rolling roller (2406) is mounted on the left side of the material pulling frame (2407).

2. According to claim 1, a fully automated double-line cold rolling mill production line is characterized in that: The left cylinder (7) comprises a cylinder body (71), a push rod (72) and a linkage frame (73); the cylinder body (71) is embedded with a push rod (72); the push rod (72) is locked and mounted on both sides of the linkage frame (73); and the linkage frame (73) is embedded with a No. 1 rotary chuck (5).

3. According to claim 1, a fully automated double-line cold rolling mill production line is characterized in that: The first transmission line (206) and the second transmission line (207) are set to have the same width.

4. According to claim 1, a fully automated double-line cold rolling mill production line is characterized in that: The first servo motor (8) and the second servo motor (14) have the same specifications.

5. According to claim 1, a fully automated double-line cold rolling mill production line is characterized in that: A left feeding body (9) is arranged between the rotary box (6) and the sub-rotary box (12).

6. The fully automated double-line cold rolling mill production line according to claim 1 is characterized in that: A right feeding body (16) is arranged between the sub-rotating box (12) and the third rotating box (18).

7. The fully automated double-line cold rolling mill production line according to claim 1 is characterized in that: There are four drive motors (1906) in total, and they have the same specifications and sizes.

8. The fully automated double-line cold rolling mill production line according to claim 1 is characterized in that: The tail servo motor (22) is mounted on the left end.

9. The fully automated double-line cold rolling mill production line according to claim 1, characterized in that: There are two of each of the No. 1 rotary chuck (5) and the No. 2 rotary chuck (11).

10. The fully automated double-line cold rolling mill production line according to claim 1, characterized in that: There are four electric cabinets (17) in total, three of which are large electric cabinets and one is a small electric cabinet.

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