Heat exchanger end cover machining device with limiting and fixing functions

Abstract

The utility model discloses a heat exchanger end cover processing device with limiting and fixing functions, which relates to the technical field of heat exchanger end cover processing and comprises a workbench, and an L-shaped frame is fixedly arranged at the top of the workbench. According to the utility model, when the control knob is rotated, a plurality of arc-shaped vertical plates are driven to move towards each other or away from each other through a hollow rotating rod, a hexagonal rotating shaft, a third bevel gear, a vertical rotating shaft, a first bevel gear, a second bevel gear, a horizontal screw rod, an L-shaped sliding rod and a supporting plate, and when the plurality of arc-shaped vertical plates move away from each other to abut against and be fixed with an inner ring of an end cover, the arc-shaped vertical plates are driven to move towards each other or away from each other; in a similar way, when the arc-shaped vertical plates oppositely move to abut against and be fixed to the outer ring of the end cover, the inner surface of the end cover can be completely exposed to the outside, then a worker can conveniently complete machining of the outer surface or the inner surface of the end cover at a time, use is easy and convenient, and the machining efficiency is improved. A large amount of time is saved, and the machining efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to heat exchanger end cover processing technical field especially relates to a kind of heat exchanger end cover processing device with limiting function. BACKGROUND

[0002] Heat exchanger end cover is the important component of heat exchanger, its main function is to close the end of heat exchanger, prevent fluid leakage, and ensure the normal progress of heat exchange process;And in the process of producing and manufacturing heat exchanger end cover, usually need to use processing device to polish, polish etc.

[0003] Most of the processing devices in prior art are fixed by pressing or clamping the outer surface of heat exchanger end cover, which makes it difficult for workers to complete the processing of the outer surface of the end cover at one time during processing, and workers need to frequently disassemble and assemble the end cover, which is not only cumbersome, but also wastes a lot of time, reduces the processing efficiency of the end cover and is inconvenient to use, therefore, the utility model discloses a kind of heat exchanger end cover processing device with limiting function to meet people's needs. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of heat exchanger end cover processing device with limiting function to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of heat exchanger end cover processing device with limiting function, including workbench, the top of the workbench is fixed with L-shaped rack, the top of the L-shaped rack is fixed with telescopic hydraulic cylinder, the output end of the telescopic hydraulic cylinder penetrates the L-shaped rack and is fixed with rotary motor, the output end of the rotary motor is fixed with processing head, the top of the workbench is provided with mounting disc, the top of the mounting disc is rotatably installed with connecting rotary drum, the top of the connecting rotary drum is fixed with connecting disc, the top of the connecting disc is fixed with annular plate, the circumference side of the annular plate is evenly provided with multiple rectangular slide holes, multiple L-shaped slide bars are slidably installed in the multiple rectangular slide holes, the top end of multiple L-shaped slide bars is fixed with support plate, the top of multiple support plates is fixed with arc vertical plate, control assembly for simultaneously moving multiple L-shaped slide bars towards or away from each other is installed on the connecting disc, adjusting unit for controlling the horizontal movement of the mounting disc is installed on the workbench, driving unit for controlling the rotation of the connecting rotary drum is installed on the mounting disc.

[0006] Preferably, the operating assembly comprises a plurality of mounting blocks fixedly mounted on the top of the connecting disc, the side of each of the plurality of mounting blocks is provided with a horizontal rotating hole, a horizontal screw rod is rotatably mounted in each of the plurality of horizontal rotating holes, a plurality of L-shaped sliding rods are threadedly sleeved on the plurality of horizontal screw rods, the top of the connecting disc is provided with a vertical rotating hole, a vertical rotating shaft is rotatably mounted in the vertical rotating hole, the two ends of the vertical rotating shaft are fixedly provided with first bevel gears, the ends of the plurality of horizontal screw rods away from each other are fixedly provided with second bevel gears, the side of the connecting rotating drum is provided with a movable hole, a hollow rotating rod is movably mounted in the movable hole, the bottom of the connecting disc is fixedly provided with a limiting bearing through a straight rod, a hexagonal rotating shaft is fixedly sleeved in the limiting bearing, the hexagonal rotating shaft is slidably sleeved in the hollow rotating rod, the end of the hexagonal rotating shaft is fixedly provided with a third bevel gear, the third bevel gear is engaged with one of the first bevel gears, the plurality of second bevel gears are engaged with the other first bevel gear, the end of the hollow rotating rod is fixedly provided with an operating knob, and a locking unit is mounted on the hollow rotating rod.

[0007] Preferably, the locking unit comprises a fixed disc fixedly sleeved on the hollow rotating rod, the bottom of the connecting disc is fixedly provided with a fixed plate, the side of the fixed plate is fixedly provided with a locking insertion rod, the side of the fixed disc is uniformly provided with a plurality of locking holes, the locking insertion rod is slidably mounted in one of the locking holes, and a reset element is mounted on the fixed disc.

[0008] Preferably, the reset element comprises a reset spring sleeved on the hollow rotating rod, and the two ends of the reset spring are respectively attached to the side of the fixed disc and the inner wall of the side of the connecting rotating drum.

[0009] Preferably, the adjusting unit comprises a moving block fixedly provided on the bottom of the mounting disc, the top of the workbench is provided with a strip-shaped sliding hole, the moving block is slidably mounted in the strip-shaped sliding hole, a screw rod rotating hole is formed in the side inner wall of the strip-shaped sliding hole, an adjusting screw rod is rotatably mounted in the screw rod rotating hole, the moving block is threadedly sleeved on the adjusting screw rod, and an adjusting knob is fixedly mounted at one end of the adjusting screw rod.

[0010] Preferably, the top of the workbench is provided with a locking screw hole in communication with the screw rod rotating hole, a locking bolt is threadedly mounted in the locking screw hole, and the bottom end of the locking bolt abuts against the top of the adjusting screw rod.

[0011] Preferably, the driving unit comprises a self-locking motor fixedly provided on the top of the mounting disc, a driving gear is fixedly mounted at the output end of the self-locking motor, a driven gear ring is fixedly provided on the inner wall of the connecting rotating drum, and the driving gear is engaged with the driven gear ring.

[0012] In summary, the technical effects and advantages of the present application are as follows:

[0013] 1. The utility model discloses a reasonable structure, when rotating control knob, will drive hollow rotating rod, hexagonal rotating shaft and third bevel gear rotate together, and the third bevel gear rotates will through vertical rotating shaft, first bevel gear and second bevel gear drive multiple horizontal screw rod synchronous rotation, and multiple horizontal screw rod synchronous rotation will through L -shaped slide bar drive multiple support plate and arc vertical board move simultaneously towards or simultaneously away from, when making multiple arc vertical board away from each other and move to the inner ring of end cover and be in contact fixed, can make the outer surface of end cover all show outside, similarly, when making multiple arc vertical board move to each other and move to the outer ring of end cover and be in contact fixed, can make the inner surface of end cover all show outside, and then the staff can complete the processing of the outer surface or the inner surface of end cover at one time, no longer need to frequently disassemble and assemble end cover, simple to use, save a large amount of time, improve processing efficiency;

[0014] 2. The utility model discloses a when rotating adjusting knob, will through adjusting screw rod, moving block drive installation disc horizontal movement, and then can adjust the position of end cover, when starting self -locking motor, will through drive gear, driven gear ring drive connection rotary drum and end cover rotate together, so that the staff can be adapted to the processing of different size end cover, and the application range is wide;

[0015] 3. The utility model discloses a when pulling control knob, will through hollow rotating rod and fixed disc make that locking insertion rod removes from locking hole, and the fixed disc and hollow rotating rod are unlocked, at this time can directly rotate control knob and carry out dismounting operation, when releasing control knob, under the elastic force of reset spring, will extrude fixed disc and make that locking insertion rod automatically inserts into locking hole, and the fixed disc and hollow rotating rod are locked and cannot rotate, so that in the processing, effectively reduce the situation that end cover loosens because of the self -rotation of hollow rotating rod, and stable and reliable when using. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description, and obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0017] Figure 1 It is a perspective structure schematic diagram of the utility model;

[0018] Figure 2 It is a front view cross section structure schematic diagram of the utility model;

[0019] Figure 3Partial cut structure schematic view of connection part of mounting disc and annular plate in the utility model;

[0020] Figure 4 Cooperative enlarged stereoscopic structure schematic view of L-shaped slide bar and vertical rotating shaft in the utility model;

[0021] Figure 5 Cooperative enlarged stereoscopic structure schematic view of vertical rotating shaft and hollow rotating rod in the utility model.

[0022] In the drawing: 1, workbench; 2, telescopic hydraulic cylinder; 3, rotary motor; 4, machining head; 5, mounting disc; 6, connecting rotating drum; 7, connecting disc; 8, annular plate; 9, L-shaped slide bar; 10, support plate; 11, arc-shaped vertical plate; 12, mounting block; 13, horizontal screw rod; 14, vertical rotating shaft; 15, first bevel gear; 16, second bevel gear; 17, hollow rotating rod; 18, hexagonal rotating shaft; 19, third bevel gear; 20, control knob; 21, limiting bearing; 22, fixed disc; 23, locking inserting rod; 24, return spring; 25, moving block; 26, adjusting screw rod; 27, adjusting knob; 28, locking bolt; 29, self-locking motor; 30, driving gear; 31, driven gear ring. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0024] Embodiment: refer to Figures 1-5The heat exchanger end cover processing device with limiting and fixing functions shown, including workbench 1, the top of workbench 1 is fixed with L-shaped rack, the top of L-shaped rack is fixed with telescopic hydraulic cylinder 2, the output end of telescopic hydraulic cylinder 2 penetrates L-shaped rack and is fixed with rotary motor 3, the output end of rotary motor 3 is fixed with processing head 4, it needs to be explained that processing head 4 can be any kind of end cover processing tool head in prior art, for example, polishing head, the top of workbench 1 is provided with mounting disc 5, the top of mounting disc 5 is rotatably installed with connecting drum 6, the top of connecting drum 6 is fixed with connecting disc 7, the top of connecting disc 7 is fixed with annular plate 8, a plurality of rectangular sliding holes are uniformly formed in the circumference side of annular plate 8, a plurality of L-shaped slide bars 9 are slidably installed in the rectangular sliding holes, the top end of a plurality of L-shaped slide bars 9 is fixed with support plate 10, the top of a plurality of support plates 10 is fixed with arc-shaped vertical plate 11, connecting disc 7 is installed with control assembly for simultaneously moving a plurality of L-shaped slide bars 9 towards or away from each other, by the above structure, when a plurality of L-shaped slide bars 9 are simultaneously moved towards or away from each other by control assembly, a plurality of support plates 10 and arc-shaped vertical plates 11 can be moved towards or away from each other, when a plurality of arc-shaped vertical plates 11 are moved away from each other to abut and fix the inner ring of end cover, the outer surface of end cover can be exposed outside, similarly, when a plurality of arc-shaped vertical plates 11 are moved towards each other to abut and fix the outer ring of end cover, the inner surface of end cover can be exposed outside, so that workers can complete the processing of the outer surface or inner surface of end cover at one time, the end cover no longer needs to be frequently disassembled and assembled, it is simple and convenient to use, a lot of time is saved, and the processing efficiency is improved.

[0025] As Figure 2 And Figure 3As shown, the workbench 1 is provided with an adjusting unit for controlling the horizontal movement of the mounting disc 5, the adjusting unit comprises a moving block 25 fixedly arranged on the bottom of the mounting disc 5, the top of the workbench 1 is provided with a strip-shaped sliding hole, the moving block 25 is slidingly arranged in the strip-shaped sliding hole, a screw rod rotating hole is arranged in the side inner wall of the strip-shaped sliding hole, an adjusting screw rod 26 is rotatably arranged in the screw rod rotating hole, the moving block 25 is threadedly sleeved on the adjusting screw rod 26, one end of the adjusting screw rod 26 is fixedly provided with an adjusting knob 27, the mounting disc 5 is provided with a driving unit for controlling the rotation of the connecting drum 6, the driving unit comprises a self-locking motor 29 fixedly arranged on the top of the mounting disc 5, the output end of the self-locking motor 29 is fixedly provided with a driving gear 30, a driven gear ring 31 is fixedly arranged on the inner wall of the connecting drum 6, the driving gear 30 is engaged with the driven gear ring 31, when the adjusting knob 27 is rotated, the adjusting screw rod 26 will be rotated, the adjusting screw rod 26 will drive the moving block 25 to move horizontally, and then the mounting disc 5 can be driven to move horizontally, so as to adjust the position of the end cover, when the self-locking motor 29 is started, the driving gear 30 will be rotated, the driving gear 30 will drive the driven gear ring 31 to rotate, and then the connecting drum 6 and the end cover can be driven to rotate, so that the staff can conveniently adapt the processing of end covers of different sizes, and the application range is wide.

[0026] As Figure 2 , Figure 3 and Figure 4As shown, the control assembly comprises a plurality of mounting blocks 12 fixedly mounted on the top of the connecting disc 7, the side of each of the plurality of mounting blocks 12 is provided with a horizontal rotating hole, a horizontal screw rod 13 is rotatably installed in each of the plurality of horizontal rotating holes, a plurality of L-shaped slide rods 9 are respectively threadedly sleeved on the plurality of horizontal screw rods 13, the top of the connecting disc 7 is provided with a vertical rotating hole, a vertical rotating shaft 14 is rotatably installed in the vertical rotating hole, a first bevel gear 15 is fixedly installed at each end of the vertical rotating shaft 14, a second bevel gear 16 is fixedly installed at one end of each of the plurality of horizontal screw rods 13, the side of the connecting rotating drum 6 is provided with a movable hole, a hollow rotating rod 17 is movably installed in the movable hole, a limiting bearing 21 is fixedly arranged at the bottom of the connecting disc 7 through a straight rod, a hexagonal rotating shaft 18 is fixedly sleeved in the limiting bearing 21, the hexagonal rotating shaft 18 is slidably sleeved in the hollow rotating rod 17, a third bevel gear 19 is fixedly installed at one end of the hexagonal rotating shaft 18, the third bevel gear 19 is engaged with one of the first bevel gears 15, each of the second bevel gears 16 is engaged with the other first bevel gear 15, a control knob 20 is fixedly installed at one end of the hollow rotating rod 17, and a locking unit is arranged on the hollow rotating rod 17. When the control knob 20 is rotated, the hollow rotating rod 17 is driven to rotate, the hollow rotating rod 17 drives the hexagonal rotating shaft 18 and the third bevel gear 19 to rotate together, the third bevel gear 19 drives the plurality of horizontal screw rods 13 to synchronously rotate through the vertical rotating shaft 14, the first bevel gears 15 and the second bevel gears 16, and the plurality of horizontal screw rods 13 synchronously rotate to drive the plurality of L-shaped slide rods 9 to simultaneously move towards each other or away from each other.

[0027] As shown in Figure 3 and Figure 5 , the locking unit comprises a fixed disc 22 fixedly sleeved on the hollow rotating rod 17, a fixed plate is fixedly installed at the bottom of the connecting disc 7, a locking plug rod 23 is fixedly installed at the side of the fixed plate, a plurality of locking holes are uniformly provided at the side of the fixed disc 22, the locking plug rod 23 is slidably installed in one of the locking holes, and a reset element is arranged on the fixed disc 22. When the control knob 20 is pulled, the fixed disc 22 is moved together through the hollow rotating rod 17 until the locking plug rod 23 moves out of the locking hole, the fixed disc 22 and the hollow rotating rod 17 are unlocked, at this time the control knob 20 can be directly rotated for disassembly and assembly, when the control knob 20 is pushed to make the locking plug rod 23 inserted into the locking hole, the fixed disc 22 and the hollow rotating rod 17 are locked and cannot be rotated, thereby effectively reducing the loosening of the end cover caused by the self-rotation of the hollow rotating rod 17 during the machining process, and the use is stable and reliable.

[0028] As shown in Figure 3 and Figure 5As shown, the reset element comprises a reset spring 24 sleeved on the hollow rotating rod 17, and the two ends of the reset spring 24 are respectively in contact with the side of the fixed disc 22 and the inner wall of the side of the connecting rotating drum 6. When the operating knob 20 is loosened, the fixed disc 22 is automatically reset under the elastic force of the reset spring 24, and then the locking rod 23 is automatically inserted into the locking hole, so that the fixed disc 22 and the hollow rotating rod 17 are locked and cannot rotate.

[0029] As shown in the drawings, Figure 2 As shown, the top of the workbench 1 is provided with a locking screw hole in communication with the screw rotating hole, and a locking bolt 28 is threadedly installed in the locking screw hole, and the bottom end of the locking bolt 28 abuts against the top of the adjusting screw rod 26. When the locking bolt 28 is rotated, the adjusting screw rod 26 can be tightly fixed or loosened under the cooperation of the locking screw hole, so that the self-rotation of the adjusting screw rod 26 during the machining process is avoided, and the position of the end cover is prevented from being changed.

[0030] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. A heat exchanger end cover processing device with limiting and fixing functions, comprising a workbench (1), characterized in that: The top of the workbench (1) is fixedly provided with an L-shaped rack, the top of the L-shaped rack is fixedly provided with a telescopic hydraulic cylinder (2), the output end of the telescopic hydraulic cylinder (2) penetrates through the L-shaped rack and is fixedly provided with a rotary motor (3), the output end of the rotary motor (3) is fixedly provided with a machining head (4), the top of the workbench (1) is provided with a mounting disc (5), the top of the mounting disc (5) is rotatably provided with a connecting rotary drum (6), the top of the connecting rotary drum (6) is fixedly provided with a connecting disc (7), the top of the connecting disc (7) is fixedly provided with an annular plate (8), a plurality of rectangular sliding holes are uniformly formed in the circumferential side of the annular plate (8), a plurality of L-shaped sliding rods (9) are slidably installed in the rectangular sliding holes, the top ends of the plurality of L-shaped sliding rods (9) are fixedly provided with support plates (10), the top of the plurality of support plates (10) is fixedly provided with arc-shaped vertical plates (11), the connecting disc (7) is provided with a control assembly for simultaneously moving the plurality of L-shaped sliding rods (9) towards or away from each other, the workbench (1) is provided with an adjusting unit for controlling the horizontal movement of the mounting disc (5), and the mounting disc (5) is provided with a driving unit for controlling the rotation of the connecting rotary drum (6).

2. The heat exchanger end cover processing device with limiting and fixing functions according to claim 1, characterized in that: The control assembly comprises a plurality of mounting blocks (12) fixedly installed on the top of the connecting disc (7), horizontal screw rods (13) are rotatably installed in horizontal rotation holes formed in the side of each mounting block (12), the plurality of L-shaped sliding rods (9) are threadedly sleeved on the plurality of horizontal screw rods (13), a vertical rotation hole is formed in the top of the connecting disc (7), a vertical rotating shaft (14) is rotatably installed in the vertical rotation hole, first bevel gears (15) are fixedly installed at the two ends of the vertical rotating shaft (14), second bevel gears (16) are fixedly installed at the ends of the plurality of horizontal screw rods (13) that are close to each other, an active hole is formed in the side of the connecting rotary drum (6), a hollow rotating rod (17) is movably installed in the active hole, a limiting bearing (21) is fixedly provided on the bottom of the connecting disc (7) through a straight rod, a hexagonal rotating shaft (18) is fixedly sleeved in the limiting bearing (21), the hexagonal rotating shaft (18) is slidably sleeved in the hollow rotating rod (17), a third bevel gear (19) is fixedly installed at one end of the hexagonal rotating shaft (18), the third bevel gear (19) is engaged with one of the first bevel gears (15), the plurality of second bevel gears (16) are engaged with the other first bevel gears (15), a control knob (20) is fixedly installed at one end of the hollow rotating rod (17), and a locking unit is installed on the hollow rotating rod (17).

3. The heat exchanger end cover processing device with limiting and fixing functions according to claim 2, characterized in that: The locking unit comprises a fixing disc (22) fixedly sleeved on the hollow rotating rod (17), the bottom of the connecting disc (7) is fixedly installed with a fixing plate, the side of the fixing plate is fixedly installed with a locking plug rod (23), the side of the fixing disc (22) is uniformly provided with a plurality of locking holes, the locking plug rod (23) is slidingly installed in one of the locking holes, and the fixing disc (22) is installed with a reset element.

4. The heat exchanger end cover processing device with limiting and fixing functions according to claim 3, characterized in that: The reset element comprises a reset spring (24) sleeved on the hollow rotating rod (17), and the two ends of the reset spring (24) are respectively attached to the side of the fixing disc (22) and the side inner wall of the connecting rotating drum (6).

5. The heat exchanger end cover processing device with limiting and fixing functions according to claim 1, characterized in that: The adjusting unit comprises a moving block (25) fixedly arranged on the bottom of the mounting disc (5), the top of the workbench (1) is provided with a strip-shaped sliding hole, the moving block (25) is slidingly installed in the strip-shaped sliding hole, a screw rod rotating hole is formed in the side inner wall of the strip-shaped sliding hole, an adjusting screw rod (26) is rotatably installed in the screw rod rotating hole, the moving block (25) is threadedly sleeved on the adjusting screw rod (26), and one end of the adjusting screw rod (26) is fixedly installed with an adjusting knob (27).

6. The heat exchanger end cover processing device with limiting and fixing functions according to claim 5, characterized in that: The top of the workbench (1) is provided with a locking screw hole in communication with the screw rod rotating hole, a locking bolt (28) is threadedly installed in the locking screw hole, and the bottom end of the locking bolt (28) abuts against the top of the adjusting screw rod (26).

7. The heat exchanger end cover processing device with limiting and fixing functions according to claim 1, characterized in that: The driving unit comprises a self-locking motor (29) fixedly arranged on the top of the mounting disc (5), the output end of the self-locking motor (29) is fixedly installed with a driving gear (30), the inner wall of the connecting rotating drum (6) is fixedly provided with a driven gear ring (31), and the driving gear (30) is engaged with the driven gear ring (31).

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