A reamer for an automotive air duct

Abstract

The application relates to the field of airflow pipe reaming, and discloses a reaming device for an automobile airflow pipe, which comprises a workbench and a support, a shaping structure is arranged at the left side of the upper surface of the workbench, a moving reaming structure is arranged at the right side of the upper surface of the workbench, and a moving clamping structure is arranged at the middle of the upper surface of the workbench. The moving reaming structure and the moving clamping structure are driven by a transmission structure to move in opposite directions synchronously. When moving towards each other, the reaming work of the airflow pipe can be carried out, and the heating structure is matched to heat the reaming position of the airflow pipe, so that the reaming speed is improved. After reaming, the shaping structure is used to shape the reaming position of the airflow pipe, so that the problem that the airflow pipe shrinks due to gradual cooling after being heated and reamed is prevented. During the shaping process, the moving reaming structure and the moving clamping structure are reset, the reaming work of the next airflow pipe can be continuously carried out, the working time is fully utilized, and the working efficiency is improved.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of airflow pipe reaming, in particular to an airflow pipe reaming device for automobiles. BACKGROUND

[0002] The airflow pipe for automobiles generally refers to two types of pipeline systems, namely air guide pipes and air inlet pipes, which respectively bear different functions; during production of the airflow pipe for automobiles, a reaming device needs to be used to perform reaming work.

[0003] The reaming device for the airflow pipe in the prior art achieves the purposes of stably supporting the hydraulic cylinder and guiding the clamping plate by arranging the fixing frame, the guide rod and the guide plate, avoids deviation of the clamping plate during movement, facilitates heating of the PPR pipe placed between the clamping plate and the supporting seat by the heating plate, facilitates maintenance work of the inside of the working box by the maintenance plate, achieves the purpose of guiding the two sides of the moving plate by the guide groove, achieves the purpose of guiding the space between the rotating rod and the rotating sleeve by the sliding groove and the sliding block, enables the rotating rod to move along the inner cavity of the rotating sleeve while ensuring synchronous rotation between the rotating rod and the rotating sleeve, and achieves the purpose of stably supporting the whole by the stand and the bottom plate.

[0004] The reaming device in the prior art uses the heating plate to heat the reaming position of the airflow pipe during reaming of the airflow pipe, so as to improve the reaming effect, but during heating reaming, the reaming position of the airflow pipe is prone to shrinkage due to gradual cooling of the heating position of the airflow pipe, which affects the reaming quality, and therefore, there is room for improvement. SUMMARY

[0005] In order to solve the problems in the background art, the application provides a reaming device for an airflow pipe for automobiles.

[0006] The reaming device for the airflow pipe for automobiles provided by the application adopts the following technical scheme:

[0007] The reaming device for the airflow pipe for automobiles comprises a workbench and a support, a shaped structure is arranged on the left side of the upper surface of the workbench, a moving reaming structure is arranged on the right side of the upper surface of the workbench, a moving clamping structure is arranged in the middle of the upper surface of the workbench, a transmission structure is arranged on the right side of the lower surface of the workbench, supports are arranged on the two sides of the lower surface of the workbench, a heating structure is arranged in the middle of the upper surface of the workbench, and a collecting structure is arranged between the two supports.

[0008] The shaping structure comprises a U-shaped frame fastened by bolts at the left side of the upper surface of the workbench, a horizontal plate fastened by screws at the middle of one side surface of the U-shaped frame, a turnover abutting structure arranged on the horizontal plate, a first mounting plate connected at the position close to the U-shaped frame on the upper surface of the workbench, a first cylinder mounted on the first mounting plate, a first moving block connected at one end of the output shaft of the first cylinder, a fixed rod connected above one side surface of the first moving block, and a shaping block mounted at one end of the fixed rod.

[0009] The moving reaming structure comprises a first guide groove opened at the position close to the right side on the workbench, a first moving plate slidingly arranged in the first guide groove, a moving table arranged at the position of the first guide groove on the upper surface of the workbench, the moving table mounted at the top end of the first moving plate, two second mounting plates mounted on the upper surface of the first moving plate, a hydraulic cylinder mounted on one of the second mounting plates, and a reaming block arranged at one end of the other second mounting plate through the output shaft of the hydraulic cylinder.

[0010] The moving clamping structure comprises a second guide groove opened at the position close to the first guide groove on the workbench, a second moving plate slidingly arranged in the second guide groove, an intermediate table arranged on the top end of the second moving plate through a rotary switching structure, a second cylinder mounted on the intermediate table at the middle of the front and back side surfaces, a third guide groove opened on the upper surface of the intermediate table at the front and back sides, a second moving block slidingly arranged in the third guide groove, a clamping seat arranged on the upper surface of the second moving block, a plurality of insertion slots opened on one side surface of each of the clamping seats, an insertion strip movably inserted into each of the insertion slots, a clamping block arranged on one end of the insertion strip penetrating out of the clamping seat, and a spring connected between the other end of the insertion strip and the inner end groove wall of the insertion slot.

[0011] Preferably, the transmission structure comprises two third mounting plates connected below the workbench, the two third mounting plates respectively arranged close to the first guide groove and the second guide groove, one of the third mounting plates mounted with a motor, one end of the output shaft of the motor connected with a bidirectional screw rod, one end of the bidirectional screw rod rotatably connected to the other third mounting plate, and the bidirectional screw rod penetrating through a threaded groove opened on the first moving plate and the second moving plate.

[0012] Preferably, the rotary switching structure comprises a rotary column rotatably connected to the top end of the second moving plate, a third gear fixedly sleeved on the bottom end of the rotary column, the top end of the rotary column fixedly connected to the intermediate table, and a first driving structure arranged between the rotary column and the workbench.

[0013] Preferably, the first driving structure comprises a fixed block arranged at the top end of the second moving plate close to the third gear, a driving frame movably penetrating through the fixed block, and a plurality of teeth arranged on one side of the driving frame and meshingly connected with the third gear, wherein each of the two ends of the driving frame is provided with a protrusion, each protrusion is fixedly penetrated through a plug rod, and the upper surface of the workbench is provided with a second driving groove below the two plug rods.

[0014] Preferably, the heating structure comprises a fourth guide groove arranged at the middle of the upper surface of the workbench, a third moving block slidably arranged in the fourth guide groove, an L-shaped plate connected to the upper surface of each third moving block, an arc-shaped plate arranged at one end of the L-shaped plate, a heating plate fixedly embedded on the inner wall of the arc-shaped plate, and a second driving structure arranged between the third moving block and the moving table.

[0015] Preferably, the second driving structure comprises a first driving plate connected to one side of the third moving block, a first driving groove arranged on the first driving plate, and an L-shaped rod movably inserted into the first driving groove, wherein one end of the L-shaped rod is connected to the moving table.

[0016] Preferably, the overturning abutting structure comprises a middle slot arranged on the horizontal plate, a first inner slot arranged on the inner wall of the middle slot below the front and rear sides, a bottom plate slidably arranged in the first inner slot, an adjusting plate connected to the lower surface of the bottom plate, two vertical handles arranged on the adjusting plate through the adjusting structure, a through slot arranged on the adjusting plate and penetrating through the vertical handles, an overturning shaft rotatably penetrating through the bottom end of the vertical handle, a first gear fixedly sleeved on the middle of the overturning shaft, an overturning handle fixedly sleeved on the two ends of the overturning shaft, an abutting disc mounted on one end of the overturning handle, a first sliding slot arranged on the front surface of the horizontal plate, a first sliding block slidably arranged in the first sliding slot, a third moving plate connected to the first sliding block, a second sliding slot arranged on the third moving plate, a second sliding block slidably arranged in the second sliding slot, a penetrating rod connected to the upper surface of the second sliding block, a square plate connected to the front surface of the horizontal plate above the first sliding slot, a guide slot arranged on the square plate, the penetrating rod movably penetrating through the guide slot, an L-shaped strip connected to the lower surface of the second sliding block, and teeth arranged on the lower surface of the L-shaped strip and meshingly connected with the first gear, wherein a third driving structure is arranged between the bottom plate and the first moving block.

[0017] Preferably, the third driving structure comprises a second inner slot arranged on the upper surface of the inner wall of the middle slot, a top plate slidably arranged in the second inner slot, a first driving strip arranged on the lower surface of the top plate, a second driving strip arranged on the upper surface of the bottom plate, a rotating rod rotatably connected to the middle of the inner wall of the middle slot, a second gear fixedly sleeved on the middle of the rotating rod, teeth arranged on the first driving strip and the second driving strip and meshingly connected with the second gear, a connecting rod connected to the left end of the lower surface of the top plate, and the bottom end of the connecting rod connected to the first moving block.

[0018] Preferably, the collecting structure comprises an inner plate connected between two supports, a motorized telescopic rod is mounted on the left side of the upper surface of the inner plate, the output shaft of the motorized telescopic rod is connected with a placing plate, a collecting frame is movably inserted into a groove on the upper surface of the placing plate, a discharging groove is arranged above the collecting frame on the workbench, a sleeve is connected to each of the four corners of the lower surface of the placing plate, a vertical rod is movably inserted into the sleeve, and the bottom end of the vertical rod is connected to the inner plate.

[0019] Preferably, the adjusting structure comprises a threaded rod rotating through the adjusting plate, a rotating block is fixedly sleeved on both ends of the threaded rod, a moving sleeve is sleeved on the threaded rod, threads are arranged on the inner wall of the moving sleeve, the top ends of two vertical handles are fixedly sleeved at both ends of the moving sleeve, and a through hole is formed in the vertical handle and used for allowing the threaded rod to movably pass through.

[0020] In summary, the present application has the following beneficial technical effects:

[0021] 1、The present application sets the shaping structure, the moving reaming structure, the heating structure, the moving clamping structure and the transmission structure, drives the moving reaming structure and the moving clamping structure to move in the opposite direction synchronously through the transmission structure, can perform the reaming work of the airflow pipe when moving in the direction of approaching each other, and cooperates the heating structure to heat the reaming position of the airflow pipe, improves the reaming speed, after reaming, can use the shaping structure to shape the reaming position of the airflow pipe, prevents the problem that the airflow pipe shrinks due to the gradual cooling of the airflow pipe after heating and reaming, and resets the moving reaming structure and the moving clamping structure during the shaping process, can continue to ream the next airflow pipe, fully utilizes the working time, and improves the work efficiency;

[0022] 2、The present application sets the second driving structure, can automatically drive the two groups of arc-shaped plates and the heating plate on the heating structure to fold and heat, and separate to end the heating function;

[0023] 3、The present application sets the rotating switching structure and the first driving structure, when the moving clamping structure drives the reamed airflow pipe to move towards the shaping structure, cooperates the first driving structure and the rotating switching structure, automatically rotates a half circle when the moving clamping structure moves, switches the end hole of the reamed airflow pipe to the positioning structure for shaping work;

[0024] 4、The present application is through the setting turns over abutting structure, adjusting structure and third drive structure, the shaping block on the positioning structure in the process of moving to the airflow pipe end hole shaping, through the third drive structure drives the abutting block on the turning over abutting structure to automatically turn over downward, then moves to the end of the airflow pipe far from the threaded hole and abuts, guarantees the smooth progress of shaping work, and when the turning over abutting structure resets, the abutting disc on the turning over abutting structure can automatically turn up, thereby avoiding the abutting disc to hinder the next airflow pipe to move to the shaping structure and carry out positioning work;

[0025] 5、The present application is through the setting collection structure, through the collection structure can automatically collect the shaped airflow pipe, facilitates the centralized processing work to the airflow pipe in the hole expansion. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 It is the structure schematic view of the hole expansion device for automobile airflow pipe in the embodiment of the present application;

[0027] Figure 2 It is the structure schematic view of the place below the workbench in the embodiment of the present application;

[0028] Figure 3 It is the structure schematic view of the moving hole expansion structure and heating structure in the embodiment of the present application;

[0029] Figure 4 It is the structure schematic view of the moving clamping structure in the embodiment of the present application;

[0030] Figure 5 It is the structure schematic view of the place below the intermediate table in the embodiment of the present application;

[0031] Figure 6 It is the structure schematic view of the second drive groove on the workbench in the embodiment of the present application;

[0032] Figure 7 It is the structure schematic view of the U-shaped frame in the embodiment of the present application;

[0033] Figure 8 It is the structure enlarged view of A in the embodiment of the present application; Figure 7

[0034] Figure 9 It is the structure schematic view in the horizontal plate in the embodiment of the present application;

[0035] Figure 10 It is the structure enlarged view of B in the embodiment of the present application. Figure 9

[0036] ​​Explanation of reference signs: 1, workbench; 2, support; 3, U-shaped frame; 4, cross plate; 5, first mounting plate; 6, first cylinder; 7, first moving block; 8, fixed rod; 9, shaping block; 10, first guide groove; 11, moving table; 12, second mounting plate; 13, hydraulic cylinder; 14, counterboring block; 15, first moving plate; 16, second guide groove; 17, second moving plate; 18, intermediate table; 19, third mounting plate; 20, motor; 21, bidirectional screw; 22, clamping seat; 23, insertion slot; 24, clamping block; 25, second cylinder; 26, second moving block; 27, third guide groove; 28, rotating column; 29, third gear; 30, fixed block; 31, driving frame; 32, protruding block; 33, insertion rod; 34, third moving block; 35, L-shaped plate; 36, arc-shaped plate; 37, heating plate; 38, fourth guide groove; 39, L-shaped rod; 40, first driving plate; 41, first driving slot; 42, intermediate slot; 43, first inner slot; 44, bottom plate; 45, adjusting plate; 46, vertical handle; 47, overturning handle; 48, abutting disc; 49, overturning shaft; 50, first gear; 51, L-shaped strip; 52, first sliding block; 53, first sliding groove; 54, third moving plate; 55, second sliding groove; 56, second sliding block; 57, through rod; 58, square plate; 59, guide slot; 60, threaded rod; 61, rotating block; 62, moving sleeve; 63, through slot; 64, top plate; 65, second inner slot; 66, rotating rod; 67, second gear; 68, first driving strip; 69, second driving strip; 70, connecting rod; 71, inner plate; 72, electric telescopic rod; 73, vertical rod; 74, sleeve; 75, placement plate; 76, collection frame; 77, blanking slot; 78, insertion strip; 79, second driving slot. DETAILED DESCRIPTION

[0037] The following will be described in detail below in combination with the accompanying Figures 1-10 The application is further described in detail.

[0038] Reference Figures 1-10 The application discloses a counterboring device for an automobile airflow pipe, which comprises a workbench 1 and a support 2. A shaping structure is arranged on the left side of the upper surface of the workbench 1, a moving counterboring structure is arranged on the right side of the upper surface of the workbench 1, a moving clamping structure is arranged in the middle of the upper surface of the workbench 1, a transmission structure is arranged on the right side of the lower surface of the workbench 1, supports 2 are arranged on both sides of the lower surface of the workbench 1, a heating structure is arranged in the middle of the upper surface of the workbench 1, and a collection structure is arranged between the two supports 2.

[0039] The shaping structure includes a U-shaped frame 3 fastened on the left side of the workbench 1 by bolts, a horizontal plate 4 fastened in the middle of one side of the U-shaped frame 3 by screws, the horizontal plate 4 being provided with a turnover abutting structure, a first mounting plate 5 connected to the workbench 1 near the U-shaped frame 3, a first cylinder 6 mounted on the first mounting plate 5, a first moving block 7 connected to one end of an output shaft of the first cylinder 6, a fixed rod 8 connected to the upper side of one side of the first moving block 7, and a shaping block 9 mounted on one end of the fixed rod 8;

[0040] The moving reaming structure includes a first guide groove 10 opened on the workbench 1 near the right side, a first moving plate 15 slidingly arranged in the first guide groove 10, a moving table 11 arranged on the workbench 1 at the first guide groove 10, the moving table 11 being mounted on the top end of the first moving plate 15, two second mounting plates 12 mounted on the upper surface of the first moving plate 15, one of the second mounting plates 12 being provided with a reaming block 14 through which an output shaft of a hydraulic cylinder 13 penetrates;

[0041] The moving clamping structure includes a second guide groove 16 opened on the workbench 1 near the first guide groove 10, a second moving plate 17 slidingly arranged in the second guide groove 16, an intermediate table 18 provided on the top end of the second moving plate 17 through a rotary switching structure, a second cylinder 25 mounted on the front and rear sides of the intermediate table 18, a third guide groove 27 opened on the upper surface of the intermediate table 18, a second moving block 26 slidingly arranged in the third guide groove 27, a clamping seat 22 arranged on the upper surface of the second moving block 26, a plurality of insertion slots 23 opened on one side of each of the two clamping seats 22, an insertion strip 78 movably inserted into each of the insertion slots 23, a clamping block 24 arranged on one end of the insertion strip 78 penetrating out of the clamping seat 22, and a spring connected between the other end of the insertion strip 78 and the inner slot wall of the insertion slot 23;

[0042] The transmission structure comprises two third mounting plates 19 connected below the workbench 1, the two third mounting plates 19 are arranged close to the first guide groove 10 and the second guide groove 16 respectively, one of the third mounting plates 19 is provided with the motor 20, the output shaft of the motor 20 is connected with the bidirectional screw rod 21, one end of the bidirectional screw rod 21 is rotatably connected to the other third mounting plate 19, the bidirectional screw rod 21 penetrates through the threaded grooves arranged on the first moving plate 15 and the second moving plate 17, first, the airflow pipe to be reamed is placed on the intermediate table 18, the second cylinder 25 is started to drive the two clamping seats 22 to move towards each other, so as to drive the two groups of clamping blocks 24 to move and abut against the airflow pipe, and the clamping blocks 24 drive the insertion strips 78 to move and press the springs, so that the airflow pipes of different shapes can be clamped on the intermediate table 18, after the airflow pipe is clamped, the motor 20 on the third mounting plate 19 is started to drive the bidirectional screw rod 21 to rotate, the directions of the threads of the left and right two sections of the bidirectional screw rod 21 are opposite, the first moving plate 15 and the second moving plate 17 synchronously move towards each other on the rotating bidirectional screw rod 21, so as to drive the moving table 11 and the side of the intermediate table 18 close to each other to move, when the intermediate table 18 drives the airflow pipe to move to the reaming position, the hydraulic cylinder 13 on the second mounting plate 12 is started to drive the reaming block 14 to move and insert into the port of the airflow pipe, so as to perform the reaming work, and during the reaming, the motor 20 drives the bidirectional screw rod 21 to rotate reversely, the intermediate table 18 and the moving table 11 move away from each other, so that the intermediate table 18 drives the reamed airflow pipe to the side close to the shaping block 9, at this time, the first cylinder 6 on the first mounting plate 5 is started to drive the shaping block 9 to move and insert into the port of the reamed airflow pipe, so as to perform the shaping work on the port of the reamed airflow pipe, and the quality of the reaming work is improved.

[0043] Referring to Figures 4-6 The rotary switching structure comprises a rotary column 28 rotatably connected to the top end of the second moving plate 17, a third gear 29 is fixedly arranged on the bottom end of the rotary column 28, the top end of the rotary column 28 is fixedly connected to the intermediate table 18, and the first driving structure is arranged between the rotary column 28 and the workbench 1.

[0044] The first driving structure comprises a fixed block 30 arranged at the top end of the second moving plate 17 close to the third gear 29, a driving frame 31 movably penetrating through the fixed block 30, and a plurality of teeth arranged on one side of the driving frame 31 and meshingly connected with the third gear 29. A protruding block 32 is arranged on each of the front and rear ends of the driving frame 31, and a plug rod 33 is fixedly penetrated through each of the protruding blocks 32. A second driving groove 79 is formed in the upper surface of the workbench 1 below the two plug rods 33, and the bottom end of the plug rod 33 is movably inserted into the second driving groove 79. When the middle table 18 moves towards the shaping block 9, the middle table 18 drives the bottom end of the plug rod 33 to slide in the second driving groove 79, thereby driving the driving frame 31 to move in the fixed block 30. The third gear 29 drives the rotary column 28 and the middle table 18 to rotate by half a circle, thereby rotating and switching the rear end of the airflow pipe hole to the shaping block 9. After moving, the shaping block 9 can be smoothly inserted into the port of the airflow pipe hole for shaping work. During the shaping process, the airflow pipe can be loosened on the middle table 18, so that the middle table 18 can be smoothly reset to continue to expand the hole of the next airflow pipe, fully utilize the working time, and improve the working efficiency.

[0045] Referring to Figure 1 and Figure 3 The heating structure comprises a fourth guide groove 38 formed in the upper surface of the workbench 1 at the middle of the front and rear sides, and a third moving block 34 movably arranged in the fourth guide groove 38. An L-shaped plate 35 is connected to the upper surface of each of the third moving blocks 34. An arc-shaped plate 36 is arranged at one end of the L-shaped plate 35, and a heating plate 37 is fixedly embedded in the inner wall of the arc-shaped plate 36. The second driving structure is arranged between the third moving block 34 and the moving table 11.

[0046] The second driving structure comprises a first driving plate 40 connected to one side of the third moving block 34. A first driving groove 41 is formed in the first driving plate 40, and an L-shaped rod 39 is movably inserted into the first driving groove 41. One end of the L-shaped rod 39 is connected to the moving table 11. During the movement of the moving table 11 towards the hole expansion position, the moving table 11 drives one end of the L-shaped rod 39 to slide in the first driving groove 41. By extruding the groove wall of the first driving groove 41 with one end of the L-shaped rod 39, the first driving plate 40 is pushed to move towards the moving table 11, thereby driving the heating plate 37 on the inner wall of the arc-shaped plate 36 to tightly contact the airflow pipe hole expansion position for heating work.

[0047] Referring to Figures 7-10The turnover abutting structure comprises a middle groove 42 formed on the horizontal plate 4, a first inner groove 43 formed on the lower part of the inner wall of the front and rear sides of the middle groove 42, a bottom plate 44 slidingly arranged in the first inner groove 43, an adjusting plate 45 connected to the lower part of the bottom plate 44, two vertical handles 46 arranged on the adjusting plate 45 through an adjusting structure, a through groove 63 formed on the adjusting plate 45 for the vertical handles 46 to pass through, a turnover shaft 49 rotatingly arranged at the bottom end of the vertical handles 46, a first gear 50 fixedly arranged at the middle part of the turnover shaft 49, a turnover handle 47 fixedly arranged at the two ends of the turnover shaft 49, an abutting disc 48 mounted at one end of the turnover handle 47, a first sliding groove 53 formed on the front part of the horizontal plate 4, a first sliding block 52 slidingly arranged in the first sliding groove 53, a third moving plate 54 connected to the first sliding block 52, a second sliding groove 55 formed on the third moving plate 54, a second sliding block 56 slidingly arranged in the second sliding groove 55, a through rod 57 connected to the upper part of the second sliding block 56, a square plate 58 connected to the upper part of the first sliding groove 53 on the front part of the horizontal plate 4, a guide groove 59 formed on the square plate 58, the through rod 57 movably arranged in the guide groove 59, an L-shaped strip 51 connected to the lower part of the second sliding block 56, and a third driving structure arranged between the bottom plate 44 and the first moving block 7.

[0048] The third driving structure comprises a second inner groove 65 formed on the upper part of the inner wall of the front and rear sides of the middle groove 42, a top plate 64 slidingly arranged in the second inner groove 65, a first driving strip 68 arranged on the lower part of the top plate 64, a second driving strip 69 arranged on the upper part of the bottom plate 44, a rotating rod 66 rotatably connected to the middle part of the inner wall of the front and rear sides of the middle groove 42, a second gear 67 fixedly arranged on the middle part of the rotating rod 66, toothed gears arranged on the first driving strip 68 and the second driving strip 69 and meshingly connected to the second gear 67, a connecting rod 70 connected to the bottom end of the first moving block 7 and connected to the left end of the lower part of the top plate 64.

[0049] The adjusting structure comprises a threaded rod 60 rotating through the adjusting plate 45, threaded rod 60 both ends are fixedly sleeved with rotating blocks 61, threaded rod 60 is sleeved with a moving sleeve 62, the inner wall of the moving sleeve 62 is provided with threads, the top ends of the two vertical handles 46 are fixedly sleeved at the two ends of the moving sleeve 62, the vertical handle 46 is provided with a through hole through which the threaded rod 60 moves, when the rotating block 61 rotates the threaded rod 60, the moving sleeve 62 moves on the threaded rod 60, so that the position of the abutting disc 48 on the adjusting plate 45 can be flexibly adjusted according to the actual length of the airflow pipe, and in the process of the first cylinder 6 driving the shaping block 9 to insert into the airflow pipe for shaping, the top plate 64 is moved in the first inner groove 43 by the connecting rod 70 on the first moving block 7, and the bottom plate 44 is moved on the horizontal plate 4 in the opposite direction by the first driving strip 68, the second gear 67 and the second driving strip 69, so that the abutting disc 48 is moved towards the side close to the airflow pipe, and in the process of the adjusting plate 45 and the third moving plate 54 moving on the horizontal plate 4, the through rod 57 slides in the guide groove 59, so that the second sliding block 56 moves on the third moving plate 54 towards the side close to the horizontal plate 4, so that the L-shaped strip 51 moves, and the first gear 50 drives the turnover shaft 49 and the turnover handle 47 to turn down as a whole, so that the turnover handle 47 and the abutting disc 48 are turned down as a whole, so that the moving abutting disc 48 can be abutted to the other end of the airflow pipe, which not only ensures the normal shaping work of the airflow pipe, but also can be used to clamp the airflow pipe, so that the airflow pipe can be loosened on the middle table 18, so that the middle table 18 can be reset to expand the hole of the next airflow pipe.

[0050] Referring to Figure 2 The collecting structure comprises an inner plate 71 connected between the two supports 2, an electric telescopic rod 72 is mounted on the left side of the inner plate 71, the output shaft of the electric telescopic rod 72 is connected with a placement plate 75, a collecting frame 76 is movably inserted into the slot on the placement plate 75, a discharging slot 77 is formed on the workbench 1 above the collecting frame 76, a sleeve 74 is connected to each of the four corners of the bottom surface of the placement plate 75, a vertical rod 73 is movably inserted into the sleeve 74, and the bottom end of the vertical rod 73 is connected to the inner plate 71, after shaping, the electric telescopic rod 72 is started to drive the collecting frame 76 to move upwards into the discharging slot 77, at this time, the first cylinder 6 drives the shaping block 9 to move reversely and reset, and drives the abutting disc 48 to move reversely and reset, so that the airflow pipe without support can be discharged into the collecting frame 76, realizing the automatic discharging function.

[0051] The implementation principle of the hole expanding device for the automobile airflow pipe is as follows: first, the airflow pipe to be expanded is placed on the middle table 18, the second air cylinder 25 is started to drive the two clamping seats 22 to move towards each other, so as to drive the two groups of clamping blocks 24 to move and abut against the airflow pipe, and the clamping blocks 24 drive the insertion strips 78 to move and press the springs, so that the airflow pipes of different shapes can be clamped on the middle table 18, after the airflow pipe is clamped, the motor 20 on the third mounting plate 19 is started to drive the bidirectional screw 21 to rotate, the threads of the left and right two sections of the bidirectional screw 21 are opposite in direction, the first moving plate 15 and the second moving plate 17 are synchronously moved towards each other on the rotating bidirectional screw 21, so as to drive the side of the moving table 11 and the middle table 18 that are close to each other to move, and in the moving process, the moving table 11 drives one end of the L-shaped rod 39 to slide in the first driving groove 41, the one end of the L-shaped rod 39 extrudes the groove wall of the first driving groove 41, and pushes the first driving plate 40 to move towards the moving table 11, so as to drive the inner wall of the arc-shaped plate 36 to abut against the heating plate 37 to heat the hole expanding position of the airflow pipe, when the middle table 18 drives the airflow pipe to move to the hole expanding position, the hydraulic cylinder 13 on the second mounting plate 12 is started to drive the hole expanding block 14 to move and insert into the port of the airflow pipe to perform hole expanding, and in the hole expanding, the motor 20 drives the bidirectional screw 21 to rotate reversely, the middle table 18 and the moving table 11 move away from each other, so that the middle table 18 drives the airflow pipe after hole expanding to the side close to the shaping block 9, at this time, the first air cylinder 6 on the first mounting plate 5 can be started to drive the shaping block 9 to move and insert into the port of the airflow pipe after hole expanding to perform shaping, and in the process that the first air cylinder 6 drives the shaping block 9 to insert into the airflow pipe to perform shaping, the connecting rod 70 on the first moving block 7 drives the top plate 64 to move in the first inner groove 43, and the first driving strip 68, the second gear 67 and the second driving strip 69 drive the bottom plate 44 to move in opposite directions on the horizontal plate 4, so as to drive the abutting disc 48 to move towards the side close to the airflow pipe, and in the moving process of the adjusting plate 45 and the third moving plate 54 on the horizontal plate 4, the through rod 57 slides in the guide groove 59 to drive the second sliding block 56 to move towards the horizontal plate 4 on the third moving plate 54, so as to drive the L-shaped strip 51 to move, and the first gear 50 drives the turnover shaft 49 and the turnover handle 47 to turn downward as a whole, so as to turn the turnover handle 47 and the abutting disc 48 to the downward state as a whole, so that the moving abutting disc 48 can abut against the other end of the airflow pipe, which not only can ensure the normal shaping work of the airflow pipe, but also can be used to clamp the airflow pipe, so that the airflow pipe on the middle table 18 can be loosened, the middle table 18 can be reset, the next airflow pipe can be expanded, after shaping, the electric telescopic rod 72 drives the collecting frame 76 to move into the feeding groove 77, at this time, the first air cylinder 6 drives the shaping block 9 to move reversely and reset, and drives the abutting disc 48 to move reversely and reset,In this way, the lost support air flow pipe can be discharged into the collecting frame 76, realizing the automatic discharging function, so as to realize the reaming work of the air flow pipe.

[0052] The above are preferred embodiments of the present application, and do not limit the protection scope of the present application, so: any equivalent changes made according to the structure, shape, principle of the present application should be covered within the protection scope of the present application.

Claims

1. A device for expanding the opening of an automotive airflow pipe, comprising a worktable (1) and a support (2), characterized in that: A shaping structure is provided on the upper left side of the workbench (1), a movable expanding structure is provided on the upper right side of the workbench (1), a movable clamping structure is provided in the middle of the workbench (1), a transmission structure is provided on the lower right side of the workbench (1), brackets (2) are supported on both sides of the lower part of the workbench (1), a heating structure is provided in the middle of the workbench (1), and a collection structure is provided between the two brackets (2). The shaping structure includes a U-shaped frame (3) fastened to the left side of the workbench (1) by bolts. A horizontal plate (4) is fastened to the middle of one side of the U-shaped frame (3) by screws. A flip-and-tighten structure is provided on the horizontal plate (4). A first mounting plate (5) is connected to the workbench (1) near the U-shaped frame (3). A first cylinder (6) is installed on the first mounting plate (5). One end of the output shaft of the first cylinder (6) is connected to a first moving block (7). A fixing rod (8) is connected to the upper side of one side of the first moving block (7). A shaping block (9) is installed at one end of the fixing rod (8). The movable reaming structure includes a first guide groove (10) on the workbench (1) near the right side, a first movable plate (15) slidably disposed in the first guide groove (10), a movable stage (11) disposed on the workbench (1) at the first guide groove (10), the movable stage (11) being mounted on the top of the first movable plate (15), two second mounting plates (12) being mounted on the first movable plate (15), a hydraulic cylinder (13) being mounted on one of the second mounting plates (12), and a reaming block (14) being disposed on one end of the output shaft of the hydraulic cylinder (13) passing through the other second mounting plate (12). The movable clamping structure includes a second guide groove (16) opened on the worktable (1) near the first guide groove (10), a second movable plate (17) is slidably arranged in the second guide groove (16), and an intermediate platform (18) is provided at the top of the second movable plate (17) through a rotation switching structure. A second cylinder (25) is installed in the middle of the front and rear sides of the intermediate platform (18). A third guide groove (27) is opened on the front and rear sides of the intermediate platform (18). A second movable block (26) is slidably arranged in the third guide groove (27). A clamping seat (22) is provided on the second movable block (26). Several slots (23) are opened on the side of the two clamping seats (22) that are close to each other. A strip (78) is movably inserted into each slot (23). A clamping block (24) is provided on one end of the strip (78) that protrudes from the clamping seat (22). A spring is connected between the other end of the strip (78) and the inner wall of the slot (23). The flipping and clamping structure includes a central groove (42) on the horizontal plate (4). A first inner groove (43) is provided on the lower part of the inner walls on both the front and rear sides of the central groove (42). A base plate (44) is slidably disposed in the first inner groove (43). An adjusting plate (45) is connected below the base plate (44). Two vertical handles (46) are provided on the adjusting plate (45) via an adjusting structure. A through groove (63) is provided on the adjusting plate (45) for the vertical handles (46) to pass through. The bottom end of the vertical handle (46) rotates through a flipping shaft (49). A first gear (50) is fixedly sleeved in the middle of the flipping shaft (49). Flipping handles (47) are fixedly sleeved on both ends of the flipping shaft (49). A clamping plate (48) is installed at one end of each flipping handle (47). A first sliding groove (53) is provided on the front of the horizontal plate (4). The first slider (52) is slidably arranged in the first groove (53). The first slider (52) is connected to the third moving plate (54). The third moving plate (54) has a second groove (55). The second slider (56) is slidably arranged in the second groove (55). The second slider (56) is connected to the top of the second slider (56). The front of the horizontal plate (4) is connected to the square plate (58) above the first groove (53). The square plate (58) has a guide groove (59). The through rod (57) moves through the guide groove (59). The second slider (56) is connected to the bottom of the L-shaped strip (51). The L-shaped strip (51) has teeth that mesh with the first gear (50). The bottom plate (44) and the first moving block (7) are provided with a third driving structure.

2. The orifice-expanding device for an automotive airflow pipe according to claim 1, characterized in that: The transmission structure includes two third mounting plates (19) connected below the workbench (1). The two third mounting plates (19) are respectively located close to the first guide groove (10) and the second guide groove (16). A motor (20) is mounted on one of the third mounting plates (19). One end of the output shaft of the motor (20) is connected to a bidirectional screw (21). One end of the bidirectional screw (21) is rotatably connected to the other third mounting plate (19). The bidirectional screw (21) passes through the threaded grooves opened on the first moving plate (15) and the second moving plate (17).

3. The orifice-expanding device for an automotive airflow pipe according to claim 1, characterized in that: The rotating switching structure includes a rotating column (28) rotatably connected to the top of the second moving plate (17), a third gear (29) is fixedly sleeved at the bottom of the rotating column (28), the top of the rotating column (28) is fixedly connected to the intermediate platform (18), and a first driving structure is provided between the rotating column (28) and the worktable (1).

4. The orifice-expanding device for an automotive airflow pipe according to claim 3, characterized in that: The first driving structure includes a fixed block (30) located at the top of the second moving plate (17) near the third gear (29). The fixed block (30) moves through the driving frame (31). The driving frame (31) has teeth on one side that mesh with the third gear (29). The driving frame (31) has protrusions (32) at both ends. Each protrusion (32) has a fixed insert rod (33) passing through it. The worktable (1) has a second driving groove (79) located below the two insert rods (33). The bottom end of the insert rod (33) moves into the second driving groove (79).

5. The orifice-expanding device for an automotive airflow pipe according to claim 1, characterized in that: The heating structure includes a fourth guide groove (38) opened on the front and rear sides of the middle of the workbench (1). A third moving block (34) is slidably arranged in the fourth guide groove (38). Each third moving block (34) is connected to an L-shaped plate (35). An arc plate (36) is provided at one end of the L-shaped plate (35). A heating plate (37) is fixedly embedded in the inner wall of the arc plate (36). A second driving structure is provided between the third moving block (34) and the moving table (11).

6. The orifice-expanding device for an automotive airflow pipe according to claim 5, characterized in that: The second driving structure includes a first driving plate (40) connected to one side of the third moving block (34), a first driving groove (41) is opened on the first driving plate (40), an L-shaped rod (39) is movably inserted into the first driving groove (41), and one end of the L-shaped rod (39) is connected to the moving table (11).

7. The orifice-expanding device for an automotive airflow pipe according to claim 1, characterized in that: The third driving structure includes a second inner groove (65) located above the inner walls on both sides of the middle groove (42). A top plate (64) is slidably disposed in the second inner groove (65). A first driving strip (68) is disposed below the top plate (64). A second driving strip (69) is disposed above the bottom plate (44). A rotating rod (66) is rotatably connected at the middle of the inner walls on both sides of the middle groove (42). A second gear (67) is fixedly sleeved at the middle of the rotating rod (66). Teeth that mesh with the second gear (67) are provided on the first driving strip (68) and the second driving strip (69). A connecting rod (70) is connected at the left end below the top plate (64). The bottom end of the connecting rod (70) is connected to the first moving block (7).

8. The orifice-expanding device for an automotive airflow pipe according to claim 1, characterized in that: The collecting structure includes an inner plate (71) connected between two supports (2). An electric telescopic rod (72) is installed on the upper left side of the inner plate (71). The top of the output shaft of the electric telescopic rod (72) is connected to a placement plate (75). A collecting frame (76) is movably inserted into the placement groove on the placement plate (75). A feeding groove (77) is opened on the workbench (1) above the collecting frame (76). Sleeves (74) are connected to the four corners below the placement plate (75). A vertical rod (73) is movably inserted into the sleeve (74). The bottom end of the vertical rod (73) is connected to the inner plate (71).

9. The orifice-expanding device for an automotive airflow pipe according to claim 1, characterized in that: The adjustment structure includes a threaded rod (60) that rotates through the adjustment plate (45). Rotating blocks (61) are fixedly sleeved on both ends of the threaded rod (60). A movable sleeve (62) is sleeved on the threaded rod (60). The inner wall of the movable sleeve (62) is provided with threads. The top ends of two vertical handles (46) are fixedly sleeved on both ends of the movable sleeve (62). A through hole is opened on the vertical handles (46) for the threaded rod (60) to move through.

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