Drawer type multi-roller oil removal device

Abstract

The utility model provides a drawer type multi-roller oil removal device which comprises an upper installation part and a lower installation part, a plurality of connecting pieces are connected between the upper installation part and the lower installation part, two first oil wiping rollers are symmetrically arranged between the upper installation part and the lower installation part, and second oil wiping rollers are installed on the opposite sides of the upper installation part and the lower installation part. The first driving device is mounted in the upper mounting part, the second driving device is mounted in the lower mounting part, the first purging assembly is arranged in the upper mounting part, and the second purging assembly is arranged in the lower mounting part. The drawer type multi-roller oil removing device is stable in overall structure and convenient to install, oil is applied to the upper surface and the lower surface of a product through the oil applying rollers, and compared with an assembly structure for applying oil through an adhesive tape in the prior art, abrasion of an oil applying piece can be effectively reduced, and the service life of the product is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to automatic technology field especially, relate to a drawer type multi -roller oil removing device. BACKGROUND

[0002] With the rapid development of our national economy, the demand of high quality metal strip is increasing, and the quality index of product is also increasing. In the production of strip, the surface quality of cold rolling product is an important index to reflect the quality of product. There are many rolling oil and other dirt on the surface of cold rolling strip such as strip steel. If the strip coil is annealed after poor oil removal, the coiler is easy to produce mislayering when coiling the strip, and even to cause accidents when the strip is rolled at high speed. The oil stain becomes carbide residue, which not only damages the appearance of the strip, but also affects the later process, especially causes uneven coating and plating on the surface of the strip, resulting in surface quality defects of the strip and affecting the yield of the strip.

[0003] When the strip needs to be reprocessed, the oil removal device is often used to remove oil from the strip. However, the existing oil removal device, such as Figure 1 As shown, the rubber strip 11 is used as the oil wiping piece. However, the structure of the oil wiping piece has a high contact area with the structure of the strip, so the wear rate is fast, and the oil wiping piece needs to be replaced frequently. In the oil wiping process, impurities are easily contaminated, which affects the oil wiping effect of the strip.

[0004] The existing oil removal device often uses rubber strip 11 as the oil wiping piece. However, the structure of the oil wiping piece has a high contact area with the structure of the strip, so the wear rate is fast, and the oil wiping piece needs to be replaced frequently.

[0005] In the oil wiping process, impurities are easily contaminated, which affects the oil wiping effect of the strip.

[0006] The oil wiping strip generates heat during friction, and high temperature can cause the oil wiping strip to deteriorate and drop slag, leaving black marks on the surface of the strip.

[0007] Therefore, it is necessary to provide a drawer type multi-roller oil removing device to solve the above technical problems. UTILITY MODEL CONTENTS

[0008] The utility model provides a drawer type multi-roller oil removing device, solves the problem that the existing oil removal device often uses rubber strip as the oil wiping piece. However, the structure of the oil wiping piece has a high contact area with the structure of the strip, so the wear rate is fast, and the oil wiping piece needs to be replaced frequently. In the oil wiping process, impurities are easily contaminated, which affects the oil wiping effect of the strip.

[0009] To solve the above technical problems, the utility model provides a drawer type multi-roller oil removing device, which comprises:

[0010] The upper mounting part, the lower mounting part and the pneumatic base station are connected by a plurality of connecting pieces;

[0011] The first oil wiping roller is two in number and symmetrically arranged between the upper mounting part and the lower mounting part.

[0012] The first driving device is mounted in the interior of the upper mounting part.

[0013] The second driving device is mounted in the interior of the lower mounting part.

[0014] The first blowing assembly is arranged in the interior of the upper mounting part.

[0015] The second blowing assembly is arranged in the interior of the lower mounting part.

[0016] Preferably, the first driving device comprises a first mounting seat, the interior of the first mounting seat is provided with a first movable seat, the interior of the first movable seat is provided with a first movable piece, the top of the first movable piece is connected with a first piston rod, the surface of the first piston rod is provided with a first sealing cover, the interior of the first mounting seat is provided with a first mounting groove, and the interior of the first mounting seat and the top of the first mounting groove are provided with a first accommodating cavity.

[0017] Preferably, the second driving device comprises a second mounting seat, the interior of the second mounting seat is provided with a second mounting groove, the interior of the second mounting seat and one side of the second mounting groove are provided with a second accommodating cavity, the interior of the second mounting groove is provided with a second movable piece, both ends of the second movable piece are respectively provided with a second movable seat and a second piston rod, and the interior of the second mounting groove is provided with a second sealing cover.

[0018] Preferably, the first movable piece comprises a first push rod, one end of the first push rod is connected with a first push block, and the bottom end of the first push block is provided with two first compression rollers.

[0019] Preferably, the second movable piece comprises a second push rod, one end of the second push rod is connected with a second push block, and the bottom end of the second push block is provided with two second compression rollers.

[0020] Preferably, the first blowing assembly comprises a first fixing frame, and the bottom end of the first fixing frame is mounted with a first blowing nozzle.

[0021] Preferably, the second blowing assembly comprises a second fixing frame, and the bottom end of the second fixing frame is mounted with a second blowing nozzle.

[0022] Preferably, the pneumatic base station comprises a mounting frame, air storage tanks are mounted on the left and right sides of the surface of the mounting frame, a gas pipeline, a first regulating valve and a second regulating valve are mounted on the rear side of the mounting frame, and a booster pump is mounted in the mounting frame.

[0023] Preferably, the surface of the lower mounting portion is provided with a placing assembly, the placing assembly comprises two bases, fixed rods are fixedly connected to the surfaces of the two bases, movable sleeves are sleeved on the surfaces of the two fixed rods, circular rods are connected to the opposite sides of the two movable sleeves through connecting blocks, a placing plate is connected between the two circular rods, and limit pins are arranged between the movable sleeves and the fixed rods.

[0024] Compared with the related art, the drawer type multi-roller oil removing device has the following beneficial effects:

[0025] The drawer type multi-roller oil removing device has the following beneficial effects:

[0026] The driving structure is used to drive the oil wiping roller to adhere to the strip to be wiped, so as to realize oil removing treatment. The driving structure is characterized in that a plurality of accommodation cavities that can be communicated with each other are formed in the mounting seat, the accommodation cavities are communicated with the gas station, the piston member is slidably and sealingly installed in the accommodation cavities, and the output end of the piston member faces the oil wiping roller during use. During use, the gas station drives the piston member to slide in the accommodation cavities, and then drives the oil wiping roller to move, so that the oil wiping roller realizes oil removing operation. During use, the gas station can be controlled by the control mechanism, so that different numbers of piston members work according to actual application conditions, and different specifications of strips are subjected to oil removing treatment.

[0027] The multi-roller oil removing device has a drawer type structure, can be pulled out from the side, and is convenient for roller replacement and maintenance.

[0028] The roller box of the drawer type multi-roller oil removing device has the same size as the original "rubber strip box", so that the two wiping oil removing devices can be used interchangeably. BRIEF DESCRIPTION OF DRAWINGS

[0029] Figure 1 FIG. 1 is a structural schematic view of the prior device;

[0030] Figure 2 FIG. 1 is a structural schematic view of the prior device;

[0031] Figure 3 for Figure 2 A schematic diagram of the overall three-dimensional structure of the device shown;

[0032] Figure 4 for Figure 2 A front view of the device as a whole is shown;

[0033] Figure 5 Schematic diagram of the three-dimensional structure of the pneumatic base station;

[0034] Figure 6 for Figure 5 The first perspective three-dimensional structural diagram of the pneumatic base station shown;

[0035] Figure 7 for Figure 2 A cross-sectional view of the device as a whole is shown;

[0036] Figure 8 for Figure 5 The circuit diagram of the pneumatic base station shown;

[0037] Figure 9 This is a structural schematic diagram of a second embodiment of a drawer-type multi-roller oil removal device provided by the utility model.

[0038] Reference numerals in the figure: 1, upper mounting portion; 2, lower mounting portion; 3, connecting member; 4, first oil wiping roller; 5, second oil wiping roller;

[0039] 6. First driving device; 61. First mounting seat; 62. First movable seat; 63. First sealing cover; 64. First piston rod;

[0040] 65. First movable member; 6501. First push rod; 6502. First push block; 6503. First pressure roller;

[0041] 66. First mounting groove; 67. First accommodating cavity;

[0042] 7. Second driving device; 71. Second mounting seat; 72. Second movable seat; 73. Second sealing cover; 74. Second piston rod;

[0043] 75, second movable member; 7501, second push rod; 7502, second push block; 7503, second pressure roller;

[0044] 76. Second mounting groove; 77. Second accommodating cavity;

[0045] 8. First purge assembly; 81. First fixing bracket; 82. First purge nozzle;

[0046] 9. Second purge assembly; 91. Second fixing bracket; 92. Second purge nozzle;

[0047] 10, pneumatic base station; 1001, mounting frame; 1002, gas storage tank; 1003, booster pump; 1004, gas pipeline; 1005, first regulating valve; 1006, second regulating valve;

[0048] 11, rubber strip;

[0049] 12, placing assembly; 121, base; 122, fixed rod; 123, movable sleeve; 124, circular rod; 125, placing plate; 126, limiting pin. DETAILED DESCRIPTION

[0050] The utility model will be further described below in combination with the drawings and embodiments.

[0051] First embodiment

[0052] Please refer to Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 And Figure 8 Among them, Figure 1 It is the structure diagram of the first embodiment of a drawer type multi-roller oil removing device provided by the utility model; Figure 3 It is the three-dimensional structure diagram of the device as a whole shown in Figure 2 ; Figure 4 It is the front view of the device as a whole shown in Figure 2 ; Figure 5 It is the three-dimensional structure diagram of the pneumatic base station; Figure 6 It is the first perspective three-dimensional structure diagram of the pneumatic base station shown in Figure 5 ; Figure 7 It is the sectional view of the device as a whole shown in Figure 2 ; Figure 8 It is the circuit diagram of the pneumatic base station shown in Figure 5 ; A drawer type multi-roller oil removing device comprises:

[0053] The upper mounting part 1, the lower mounting part 2 and the pneumatic base station 10, a plurality of connecting pieces 3 are connected between the upper mounting part 1 and the lower mounting part 2;

[0054] The first oil removing roller 4, the number of the first oil removing roller 4 is two, two first oil removing rollers 4 are symmetrically arranged between the upper mounting part 1 and the lower mounting part 2, and the opposite side of the upper mounting part 1 and the lower mounting part 2 is provided with the second oil removing roller 5;

[0055] The first driving device 6 is installed in the interior of the upper mounting part 1;

[0056] A second driving device 7 is mounted inside the lower mounting portion 2;

[0057] A first blowing assembly 8 is arranged inside the upper mounting portion 1.

[0058] A second blowing assembly 9 is arranged inside the lower mounting portion 2.

[0059] The first driving device 6 comprises a first mounting seat 61, the inside of which is provided with a first movable seat 62, the inside of which is provided with a first movable piece 65, the top of which is connected with a first piston rod 64, the surface of which is provided with a first sealing cover 63, the inside of which is provided with a first installation groove 66, and the inside of the first mounting seat 61 and at the top of the first installation groove 66 is provided with a first containing cavity 67.

[0060] The second driving device 7 comprises a second mounting seat 71, the inside of which is provided with a second installation groove 76, the inside of which is provided with a second containing cavity 77 at one side of the second installation groove 76, and the inside of the second installation groove 76 is provided with a second sealing cover 73.

[0061] The first movable piece 65 comprises a first push rod 6501, one end of which is connected with a first push block 6502, and the bottom end of the first push block 6502 is provided with two first compression rollers 6503.

[0062] The second movable piece 75 comprises a second push rod 7501, one end of which is connected with a second push block 7502, and the bottom end of the second push block 6502 is provided with two second compression rollers 7503.

[0063] The first blowing assembly 8 comprises a first fixing frame 81, the bottom end of which is provided with a first blowing nozzle 82.

[0064] The second blowing assembly 9 comprises a second fixing frame 91, the bottom end of which is provided with a second blowing nozzle 92.

[0065] The pneumatic base station 10 comprises a mounting frame 1001, gas storage tanks 1002 are mounted on the left and right surfaces of the mounting frame 1001, a booster pump 1003 is mounted in the mounting frame 1001, and a gas pipeline 1004, a first adjusting valve 1005 and a second adjusting valve 1006 are mounted on the rear side of the mounting frame 1001.

[0066] The 10 groups of air cylinders of each set of drawer type multi-roller oil removing device are controlled in sections, and the pressure of the air cylinders is controlled through proportional valves to realize section-by-section and dynamic pressure adjustment during oil removing, so that the pressure is balanced during oil removing, the oil removing roller uniformly contacts the strip during rolling, and most of the residual rolling oil on the surface of the strip is removed.

[0067] The overall structure is stable and convenient to install, the upper surface and the lower surface of the product are treated by the oil wiping roller, compared with the previous assembly structure using a rubber strip for oil wiping treatment, the wear of the oil wiping part can be effectively reduced, and the service life of the product is prolonged; meanwhile, the oil wiping roller made of metal is used as the oil wiping part, so that impurities can be avoided from sticking to the oil wiping roller during the oil wiping process;

[0068] The roller box of the drawer type multi-roller oil removing device is interchangeable with the original oil wiping strip box, so that the two types of oil wiping and removing devices can be used. The oil removing roller box has a clamping groove, the drawer type multi-roller oil removing device can be pulled out from the side, and the roller replacement and maintenance are facilitated. The upper and lower roller boxes are internally provided with 20 groups of air cylinders.

[0069] The oil removing device mainly comprises an upper mounting part 1, a lower mounting part 2, two connecting parts 3, two first oil wiping rollers 4, two second oil wiping rollers 5, a first driving assembly 6, a second driving assembly 7, a first blowing assembly 8 and a second blowing assembly 9.

[0070] The first oil wiping roller 4 and the second oil wiping roller 5 are both made of metal; during assembly, the upper mounting part 1 and the lower mounting part 2 are connected and fixed together through the two connecting parts 3, so as to form the basic frame of the oil removing device;

[0071] The first driving assembly 6 and the second driving assembly 7 are respectively detachably mounted on the upper mounting part 1 and the lower mounting part 2; the two first oil wiping rollers 4 and the two second oil wiping rollers 5 are correspondingly mounted on the upper mounting part 1 and the lower mounting part 2, and the two first oil wiping rollers 4 are rotatably mounted below the first driving assembly 6, and the two second oil wiping rollers 5 are rotatably mounted above the second driving assembly 7; during work, the first driving assembly 6 and the second driving assembly 7 are started at the same time, so that the output ends of the two driving assemblies push the two first oil wiping rollers 4 and the two second oil wiping rollers 5 to move oppositely, so that the two first oil wiping rollers 4 and the two second oil wiping rollers 5 respectively abut against the upper surface and the lower surface of the product to be treated, so as to treat the product by wiping oil;

[0072] After the oil wiping is completed, the two blowing assemblies blow the upper and lower surfaces of the product;

[0073] The first sealing covers 63 and the first piston rods 64 are matched with the first accommodating cavities 67 in the mounting grooves to form a plurality of cylinder assembly structures, and the first accommodating cavities 67 are independent and not communicated with each other; in this embodiment, the number of the first accommodating cavities 67 in each first mounting groove 66 is 10, which can be increased or reduced according to actual application in other embodiments; in operation, high-pressure gas enters the first accommodating cavities 67 through the first air pipes on the first mounting seats 61 to push the first piston rods 64 to move out, and then drive the first push rods 6501 abutting against the first piston rods 64 to move out, so as to push the two first compression rollers 6503 on the push block to abut against the first oil wiping roller 4, and make the first oil wiping roller 4 adhere to the upper surface of the product for oil wiping and oil removing operation;

[0074] The first push rods 6501 and the first piston rods 64 are respectively sleeved with return springs, so that after the oil wiping operation is completed, the return springs drive the push rods and the piston rods to reset.

[0075] The lengths of the two first compression rollers 6503 on the two adjacent first push blocks 6502 are different;

[0076] The second sealing covers 73 and the second piston rods 74 are matched with the second accommodating cavities 77 in the mounting grooves to form a plurality of cylinder assembly structures, and the second accommodating cavities 77 are independent and not communicated with each other; in this embodiment, the number of the second accommodating cavities 77 in each second mounting groove 76 is 10, which can be increased or reduced according to actual application in other embodiments; in operation, high-pressure gas enters the second accommodating cavities 77 through the second air pipes on the second mounting seats 71 to push the second piston rods 74 to move out, and then drive the second push rods 7501 abutting against the second piston rods 74 to move out, so as to push the two second compression rollers 7503 on the push block to abut against the second oil wiping roller 5, and make the second oil wiping roller 5 adhere to the upper surface of the product for oil wiping and oil removing operation;

[0077] Four, pneumatic part:

[0078] The pneumatic base station 10 includes: a mounting frame 1001; a gas tank 1002, a booster pump 1003, a gas pipeline 1004, a first regulating valve 1005, and a second regulating valve 1006 are arranged on the mounting frame 1001; the output end of the gas tank 1002 is connected to the input end of the booster pump 1003; the output end of the booster pump 1003 is connected to the gas pipeline; the gas pipeline is respectively connected to the first regulating valve 1005 and the second regulating valve 1006; the first regulating valve 1005 is respectively connected to the first ventilation pipeline and the second ventilation pipeline.

[0079] Since the first accommodating chambers 67 on the first mounting seat 61 and the second accommodating chambers 77 on the second mounting seat 71 are independent of each other and are not connected to each other, by setting a regulating valve, the user can synchronously control the appropriate number of pushers on the first mounting seat 61 and the second mounting seat 71 to abut against the oil wiping roller according to the different specifications and sizes of products, so as to carry out oil wiping treatment on products of different specifications and sizes, while ensuring the efficiency of oil wiping and degreasing, and effectively saving energy;

[0080] The number of the first purge nozzles 82 is six. In other embodiments, the number can be increased or decreased according to actual application conditions. When in operation, the six first purge nozzles 82 use the high-pressure gas in the gas storage device to simultaneously purge the surface of the product after being oiled by the first oil-wiping roller 4, thereby further improving the oil-wiping effect.

[0081] The number of the second purge nozzles 92 is 6. In other embodiments, the number of the second purge nozzles 92 can be increased or decreased according to actual application conditions. When working, the 6 second purge nozzles 92 use the high-pressure gas in the gas storage device to synchronously purge the surface of the product after being oiled by the second oil-wiping roller 5, thereby further improving the oil-wiping effect.

[0082] Compared with the related art, the drawer-type multi-roller oil removal device provided by the present invention has the following beneficial effects:

[0083] The utility model provides a drawer-type multi-roller oil removal device with a stable overall structure and easy installation. The oil wiping roller is used to wipe the upper and lower surfaces of the product with oil. Compared with the previous assembly structure that uses rubber strips for oiling, the wear of the oil wiping parts can be effectively reduced and the service life of the product can be extended. At the same time, the oil wiping roller made of metal is used as the oil wiping part to prevent impurities from sticking to the oil wiping roller during the oiling process.

[0084] The driving structure is used to drive the oil wiping roller to be combined with the strip to be wiped to realize the oil removing treatment; a plurality of accommodating cavities are formed on the mounting seat and are communicated with each other, the accommodating cavities are communicated with the gas station, the piston member is slidably and sealingly installed in the accommodating cavities, and the output end of the piston member faces the oil wiping roller during use; during use, the gas station drives the piston member to slide in the accommodating cavities, and then drives the oil wiping roller to move, so that the oil wiping roller realizes the oil removing operation; and during use, the gas station can be controlled by the control mechanism, so that different numbers of piston members work according to actual application conditions, so as to perform the oil removing treatment on different specifications of the strip.

[0085] The multi-roller oil removing device is of a drawer type structure, can be drawn out from the side, and is convenient for roller replacement and maintenance.

[0086] The roller box of the drawer type multi-roller oil removing device has the same size as the original rubber strip box, so that the two types of oil removing devices can be used interchangeably.

[0087] Second embodiment

[0088] Please refer to Figure 9 Based on the first embodiment of the drawer type multi-roller oil removing device, the second embodiment of the drawer type multi-roller oil removing device is provided. The second embodiment is only a preferred mode of the first embodiment, and the implementation of the second embodiment does not affect the separate implementation of the first embodiment.

[0089] Specifically, the difference between the drawer type multi-roller oil removing device provided by the second embodiment of the present application is that the drawer type multi-roller oil removing device is provided with a placing assembly 12 on the surface of the lower mounting part 2, the placing assembly 12 comprises two bases 121, the surfaces of the two bases 121 are fixedly connected with fixed rods 122, the surfaces of the two fixed rods 122 are sleeved with movable sleeves 123, the opposite sides of the two movable sleeves 123 are connected with circular rods 124 through connecting blocks, a placing plate 125 is connected between the two circular rods 124, and limit pins 126 are arranged between the movable sleeves 123 and the fixed rods 122.

[0090] The base 121 is connected to the surface of the lower mounting part 2, and a plurality of fixed holes matched with the limit pins 126 are formed on the surface of the fixed rod 122.

[0091] The working principle of the drawer type multi-roller oil removing device provided by the present application is as follows:

[0092] When using, when the material is placed, first, the circular rod 124 is driven to move up by pulling the placing plate 125, when the circular rod 124 moves up through the connecting block to drive the movable sleeve 123 to move on the surface of the fixed rod 122, when the placing plate 125 moves to the appropriate position, the limiting pin 126 is passed through the movable sleeve 123 and connected with the circular rod 124.

[0093] Compared with the related art, the drawer type multi-roller oil removing device has the following beneficial effects:

[0094] The drawer type multi-roller oil removing device is provided with the placing assembly 12 on the surface of the lower mounting portion 2, so that the material can be supported when the oil removing operation is performed on the material.

[0095] The above is only an embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process transformation obtained by using the contents of the utility model specification and drawings, or direct or indirect application in other related technical fields, is also included in the patent protection range of the utility model.

Claims

1. A drawer-type multi-roll oil removing device, characterized by comprising: The utility model relates to a kind of oiling device, including: Upper mounting part, lower mounting part and pneumatic base station, multiple connecting pieces are connected between the upper mounting part and the lower mounting part; First oiling roller, the number of the first oiling roller is two, two the first oiling roller is symmetrically arranged between the upper mounting part and the lower mounting part, and the opposite side of the upper mounting part and the lower mounting part is equipped with second oiling roller; First driving device, the first driving device is installed in the inside of the upper mounting part; Second driving device, the second driving device is installed in the inside of the lower mounting part; First blowing assembly, the first blowing assembly is arranged in the inside of the upper mounting part; Second blowing assembly, the second blowing assembly is arranged in the inside of the lower mounting part.

2. The drawer-type multi-roll oil removing device according to claim 1, characterized in that, The first driving device includes first mounting seat, the inside of the first mounting seat is provided with first movable seat, the inside of the first movable seat is provided with first movable piece, the top of the first movable piece is connected with first piston rod, the surface of the first piston rod is provided with first sealing cover, the inside of the first mounting seat is provided with first installation groove, and the inside of the first mounting seat and the top of the first installation groove are provided with first containing cavity.

3. The drawer-type multi-roll oil removing device according to claim 1, characterized in that, The second driving device includes second mounting seat, the inside of the second mounting seat is provided with second installation groove, the inside of the second installation groove, the inside of the second installation groove and one side of the second installation groove are provided with second containing cavity, the second installation groove is provided with second movable piece, and the two ends of the second movable piece are provided with second movable seat and second piston rod respectively, and the inside of the second installation groove is provided with second sealing cover.

4. The drawer-type multi-roll oil removing device according to claim 2, characterized in that, The first movable piece includes first push rod, one end of the first push rod is connected with first push block, and the bottom of the first push block is provided with two first compression rollers.

5. The drawer-type multi-roll oil removing device according to claim 3, characterized in that, The second movable piece includes second push rod, one end of the second push rod is connected with second push block, and the bottom of the second push block is provided with two second compression rollers.

6. The drawer-type multi-roll oil removing device according to claim 1, wherein The first blowing assembly includes first fixing frame, and the bottom of the first fixing frame is provided with first blowing nozzle.

7. The drawer-type multi-roll oil removing device according to claim 1, characterized in that, The second blowing assembly includes second fixing frame, and the bottom of the second fixing frame is provided with second blowing nozzle.

8. The drawer-type multi-roll oil removing device according to claim 1, characterized in that, The pneumatic base station includes mounting frame, the left and right sides of the surface of the mounting frame are provided with gas storage tank, the rear side of the mounting frame is respectively provided with gas pipeline, first regulating valve and second regulating valve, and the inside of the mounting frame is provided with booster pump.

9. The drawer-type multi-roll oil removing device according to claim 1, characterized in that, The surface of the lower mounting part is provided with placing assembly, the placing assembly includes two bases, the surface of the two bases is fixedly connected with fixed rod, the surface of the two fixed rods is sleeved with movable sleeve, the opposite side of the two movable sleeves is connected with circular rod through connecting block, the circular rod is connected with placing plate between the two circular rods, and the movable sleeve and the fixed rod are provided with limiting bolt.

Images