A spinning type eccentric expanding machine structure

Abstract

The present application discloses a spinning type eccentric expanding machine structure, which relates to the technical field of expanding machines, and comprises a workbench, and is characterized in that: a expanding mechanism is arranged on the workbench, and a sliding guide rail for the expanding mechanism to move is arranged on the surface of the workbench close to the expanding mechanism; a fixing mechanism is arranged on one side of the surface of the workbench, and the expanding mechanism is connected with a driving member that can drive the expanding mechanism to move on the sliding guide rail. The expanding mechanism can be moved to the fixing mechanism through the sliding guide rail and fit with the fixing mechanism, and the metal pipe is fixed by the fixing mechanism, and then the expanding mechanism is moved to expand the metal pipe, so as to achieve stable expanding.

Description

Technical Field

[0001] The present application relates to the technical field of belling machines, and in particular to a spinning-type eccentric belling machine structure. Background Art

[0002] Some metal tubes need to be expanded when used, usually using a expanding machine; the metal tube to be expanded is placed horizontally in a fixture and sent to the expanding drill bit, and after the drill bit rotates and punches, one end of the metal tube is expanded to meet production needs.

[0003] With respect to the above-mentioned related technologies, the existing expanding machine needs to be manually positioned and fixed, and deviation may occur during the process, resulting in expanding errors and making the metal pipe scrapped. Summary of the invention

[0004] The purpose of the present application is to provide a spinning type eccentric expanding machine structure to improve the problem of inaccurate positioning and unstable fixation of metal pipes during hole expansion.

[0005] The present application provides a spinning type eccentric expanding machine structure adopts the following technical solution:

[0006] A spinning-type eccentric expanding machine structure includes a workbench, on which a expanding mechanism is arranged, and a sliding guide rail for the expanding mechanism to move is arranged on the surface of the workbench close to the expanding mechanism; a fixing mechanism is arranged on one side of the workbench surface, and the expanding mechanism is connected to a driving member that can drive the expanding mechanism to move on the sliding guide rail. The expanding mechanism can be moved to the fixing mechanism through the sliding guide rail and fit with the fixing mechanism.

[0007] By adopting the above technical solution, the metal tube to be processed is first placed in the fixing mechanism, and after it is fixed, the expansion mechanism is controlled by a driving member, and moved along the sliding guide rail to the front of the fixing mechanism. After the expansion is completed, it returns to its original position, and then the metal tube is taken out, thereby avoiding errors caused by manual movement and positioning of the metal tube.

[0008] Preferably, the expanding mechanism includes a mold box, a fixed washer 1, a rotating sleeve, an eccentric sleeve, a fixed washer 2, and an eccentric drill bit. A mold groove is provided on one side of the mold box. The fixed washer 1 is inserted into the mold groove. The rotating sleeve is arranged in the fixed washer 1. The rotating sleeve is provided with a driving part 2 for driving the rotating sleeve to rotate; the fixed washer 2 is located inside the rotating sleeve, and the eccentric drill bit is located inside the fixed washer 2.

[0009] By adopting the above technical scheme, the use of an eccentric drill bit for expanding is efficient and beautiful, so the mold of the eccentric drill bit is installed in the mold box; the rotating sleeve is fixed by using a fixed washer, and then a fixed washer 2 is installed in the rotating sleeve to fix and position the eccentric drill bit. When the driving member 2 drives the rotating sleeve to rotate, the rotating sleeve can drive the eccentric drill bit to rotate, and this expanding mechanism can be used to achieve eccentric spinning expanding.

[0010] Preferably, the fixing mechanism includes an upper mounting seat, a lower mounting seat, and a clamp mechanism, the clamp mechanism includes an upper clamp and a lower clamp, the upper clamp is installed on the upper mounting seat, and the lower clamp is installed on the lower mounting seat; the workbench is provided with an equipment box on one side of the fixing mechanism, a transmission groove is provided on the side of the equipment box close to the upper mounting seat, the upper mounting seat is provided with a transmission rod corresponding to the transmission groove, a driving member three is provided in the equipment box, and the transmission rod passes through the transmission groove and is connected to the driving shaft of the driving member three.

[0011] By adopting the above technical scheme, the metal pipe to be processed is clamped by a clamp mechanism, and the upper mounting seat and the lower mounting seat are used to install and fix the clamp mechanism, so that the clamp mechanism is more stable during use; at the same time, the upper mounting seat and the lower mounting seat with fixed positions can also play a certain positioning role, so that the upper clamp and the lower clamp of the clamp mechanism can correspond neatly; the upper mounting seat is connected to the driving shaft of the driving component three in the equipment box through the transmission rod, and the up and down movement of the upper mounting seat is controlled by the driving component three.

[0012] Preferably, a fixing groove 1 is provided at the joints between the upper mounting seat and the upper clamp, and between the lower mounting seat and the lower clamp, and a fixing groove 2 is provided on the upper clamp and the lower clamp corresponding to the fixing groove 1, and the fixing groove 1 and the fixing groove 2 form a fixing hole, and a fixing pin is inserted in the fixing hole.

[0013] By adopting the above technical solution, the upper clamp and the lower clamp are fixed by inserting the fixing pin into the fixing hole. The structure is simple and easy to use, and the requirement of limiting the movement of the upper clamp and the lower clamp can be met.

[0014] Preferably, a placement groove is provided on one side of the upper mounting seat and the lower mounting seat, and a rotating buckle is provided in the placement groove. The rotating buckle is installed in the placement groove by a fixing screw, and a fixing protrusion for tightening the rotating buckle is provided on one side of the upper clamp and the lower clamp close to the corresponding placement groove.

[0015] By adopting the above technical solution, the fixing screws are tightened to control the rotating buckle to press the fixing protrusions of the upper clamp and the lower clamp, thereby further stabilizing the upper clamp and the lower clamp, making the clamp more stable to use and reducing errors; at the same time, the upper mounting seat and the lower mounting seat are provided with placement grooves for the placement of the rotating buckle in a relaxed state when the fixing screws are not tightened, thereby facilitating the installation and disassembly of the upper clamp and the lower clamp.

[0016] Preferably, the workbench is provided with an equipment box in close contact with the fixing mechanism, a dovetail guide rail is provided on one side of the equipment box in close contact with the upper mounting seat, and the upper mounting seat is provided with a dovetail groove for inserting the dovetail guide rail corresponding to the dovetail guide rail.

[0017] By adopting the above technical solution, the upper mounting seat can be moved up and down using the dovetail guide rail, which can create more space for the replacement of the upper fixture. The cooperation between the dovetail guide rail and the dovetail groove can also prevent the upper mounting seat from being offset during movement, and can also facilitate the installation of the metal pipe to be processed.

[0018] Preferably, the equipment box is provided with an installation groove 1 near the lower mounting seat, and a movable bracket is arranged in the installation groove 1; a connecting groove is provided at the bottom of the installation groove 1, and the movable bracket is provided with a connecting rod corresponding to the connecting groove, a driving member 4 is provided in the equipment box, and the connecting rod passes through the connecting groove and is connected with the driving rod of the driving member 4; two delivery pipes are provided on the movable bracket, one of the two delivery pipes is a cleaning pipe, and the other is a lubrication pipe; a water tank and an oil tank are provided in the equipment box, and the other ends of the cleaning pipe and the lubrication pipe pass through the movable bracket and extend backwards into the water tank and the oil tank respectively, and a hydraulic pump connected to the delivery pipe is provided in the water tank and the oil tank.

[0019] By adopting the above technical solution, a mobile bracket is used to control the cleaning pipe and the lubrication pipe to move to the eccentric drill bit, so that cleaning and lubrication can be carried out before each expansion; after cleaning and lubrication, the mobile bracket is retracted into the installation groove one to avoid affecting the operation of the expansion mechanism; the mobile bracket is connected to the driving rod of the driving member four through a connecting rod, and the driving member four drives the mobile bracket to move; the cleaning pipe and the lubrication pipe pass through the mobile bracket and are respectively connected to the hydraulic pumps in the water tank and the oil tank, and the water tank and the oil tank provide clean water and lubricating oil to the cleaning pipe and the lubrication pipe through the hydraulic pump.

[0020] Preferably, a displacement guide rail is provided on one side of the installation groove close to the movable bracket, and a displacement groove for installing the displacement guide rail is provided on the bottom surface of the movable bracket corresponding to the displacement guide rail.

[0021] By adopting the above technical solution, the displacement guide rail is used to make the sliding of the mobile bracket easier, thereby improving work efficiency.

[0022] Preferably, the equipment box is provided with a second installation groove for placing the delivery pipe corresponding to the delivery pipe, and the second installation groove is communicated with the first installation groove.

[0023] By adopting the above technical solution, a second installation groove is provided for placing the delivery pipe. After the delivery pipe is adjusted and shaped, the movable bracket can be directly stored without the need for readjustment every time cleaning and lubrication, thereby improving the efficiency of the expansion work.

[0024] Preferably, an annular pipe is provided on one side of the mold box where the eccentric drill bit is installed, and the annular pipe is provided with two feed ports corresponding to the two conveying pipes. The annular pipe is provided with a sliding groove for the conveying pipe to slide to the feed port, and the sliding groove is communicated with the feed port; a plurality of spray heads are circumferentially arranged on one side of the annular pipe close to the eccentric drill bit.

[0025] By adopting the above technical solution, the conveying pipe is moved through the sliding groove of the annular pipe to the feed port, so that the conveying pipe conveys water and lubricating oil into the annular pipe; then the water and lubricating oil are sprayed onto the eccentric drill bit through the spray heads circumferentially installed on the annular pipe, and several spray heads spray water and lubricating oil at multiple angles at the same time, thereby greatly improving the cleaning and lubrication effects.

[0026] In summary, the present application includes at least one of the following beneficial technical effects:

[0027] 1. Use a mold box to install the eccentric drill bit, and press the eccentric drill bit on the metal pipe to be processed by moving the mold box. Compared with moving the metal pipe, it is more stable; at the same time, using the eccentric drill bit for expanding the mouth is more efficient than the spinning expansion of ordinary drill bits;

[0028] 2. A mobile bracket is set to drive the cleaning pipe and lubrication pipe to clean and lubricate the eccentric drill bit, so as to realize automatic maintenance of the eccentric drill bit; at the same time, installation slot 1, installation slot 2 and connection slot are set to store the mobile bracket and the delivery pipe to avoid affecting the expansion work, and after the delivery pipe is positioned, it does not need to be readjusted every time for cleaning and lubrication, so as to improve work efficiency;

[0029] 3. An annular pipe is installed on one side of the mold box. The delivery pipe delivers water and lubricating oil into the annular pipe. Then, multiple spray heads arranged circumferentially on the annular pipe are used to fully clean and lubricate the eccentric drill bit, thereby improving the cleaning and lubrication efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 It is a schematic diagram of the overall structure of a spinning type eccentric expansion structure of the present application.

[0031] Figure 2 yes Figure 1 Enlarged view of part A in .

[0032] Figure 3 It is a cross-sectional schematic diagram for showing the internal structure of the fixing mechanism in the embodiment.

[0033] Figure 4 Schematic diagram of a portion of the structure of the annular pipeline in the embodiment.

[0034] Figure 5 It is a side view schematic diagram of a spinning type eccentric expansion structure.

[0035] Figure 6 Schematic diagram of the internal structure of the equipment box in the embodiment.

[0036] In the figure, 1, workbench; 11, sliding guide rail; 12, equipment box; 121, dovetail guide rail; 122, installation slot 1; 1221, displacement guide rail; 1222, connecting slot; 123, installation slot 2; 124, driving member 3; 1241, driving shaft; 125, driving member 4; 1251, driving rod; 126, water tank; 127, oil tank; 128, transmission slot; 2, expansion mechanism; 21, mold box; 211, mold slot; 22, fixed washer 1; 23, rotating sleeve; 24, eccentric sleeve; 25, fixed washer 2; 26, eccentric drill bit; 27, annular pipe; 271 , feed inlet; 2711, sliding groove; 272, spray head; 3, fixing mechanism; 31, upper mounting seat; 311, dovetail groove; 312, transmission rod; 32, lower mounting seat; 33, clamp mechanism; 331, upper clamp; 3311, positioning groove; 332, lower clamp; 3321, positioning protrusion; 4, fixing pin; 41, fixing groove one; 42, fixing groove two; 43, fixing hole; 5, rotating buckle; 51, placement groove; 52, fixing screw; 53, fixing protrusion; 6, movable bracket; 61, displacement groove; 62, connecting rod; 7, delivery pipe; 71, cleaning pipe; 72, lubrication pipe. DETAILED DESCRIPTION

[0037] The following is combined with Figure 1 -Attached Figure 6 , further details of this application are given.

[0038] A spinning eccentric expanding machine structure, referring to Figure 1 , including a workbench 1, the workbench 1 is equipped with a sliding guide rail 11 for the expansion mechanism 2 to move. The expansion mechanism 2 can be moved more easily by using the sliding guide rail 11. At the same time, the sliding guide rail 11 can also accurately position the expansion mechanism 2 to prevent it from deviating from the processing position; a fixing mechanism 3 is provided on the upper surface of the workbench 1 corresponding to the expansion mechanism 2, and a driving member 1 (not shown in the figure) drives the expansion mechanism 2. The driving member 1 is an electric motor, which moves to a position where the expansion mechanism 2 is in contact with the fixing mechanism 3 through the sliding guide rail 11, so that the expansion mechanism 2 expands the metal pipe (not shown in the figure) fixed in the fixing mechanism 3.

[0039] Reference Figure 1The expanding mechanism 2 is composed of a mold box 21, a fixed washer 22, a rotating sleeve 23, an eccentric sleeve 24, a fixed washer 25, and an eccentric drill bit 26. A mold groove 211 is provided on the side of the mold box 21 close to the fixing mechanism 3. The rotating sleeve 23 is installed in the mold groove 211. The outer side of the rotating sleeve 23 is fixed with a fixed washer 22 by a thread to locate and fix the position of the rotating sleeve 23; an eccentric sleeve 24 is installed on the inner side of the rotating sleeve 23, and an eccentric drill bit 26 is installed in the eccentric sleeve 24. The eccentric sleeve 24 and the eccentric drill bit 26 are fixed by a fixed washer 25. At this time, the driving member 2 (not shown in the figure) drives the rotating sleeve 23 to rotate. The driving member 2 is a rotor motor. The rotating sleeve 23 then drives the eccentric drill bit 26 to rotate at a high speed to perform the expanding operation.

[0040] Reference Figure 2 The fixing mechanism 3 is composed of an upper mounting seat 31, a lower mounting seat 32, and a clamp mechanism 33. The clamp mechanism 33 includes an upper clamp 331 and a lower clamp 332, which are respectively mounted and fixed on the upper mounting seat 31 and the lower mounting seat 32; the metal pipe to be processed is clamped by the cooperation of the upper clamp 331 and the lower clamp 332, and the upper mounting seat 31 and the lower mounting seat 32 can also play a certain positioning role; a transmission groove 128 is provided on the side of the equipment box 12 close to the upper mounting seat 31, and a transmission rod 312 is provided on the upper mounting seat 31 corresponding to the transmission groove 128. The transmission rod 312 passes through the transmission groove 128 and is fixedly connected to the driving shaft 1241 of the driving member three 124 in the equipment box 12. The driving member three 124 is a hydraulic cylinder, and the upper mounting seat 31 can be controlled to move up and down by the driving member three 124.

[0041] Reference Figure 2 The upper mounting seat 31, the lower mounting seat 32 and the upper clamp 331, the lower clamp 332 are respectively provided with a fixing groove 1 41 and a fixing groove 2 42; when the upper clamp 331 and the lower clamp 332 are installed in the upper mounting seat 31 and the lower mounting seat 32, the fixing groove 1 41 and the fixing groove 2 42 are fitted to form a fixing hole 43, and a fixing pin 4 is inserted in the fixing hole 43 to fix the upper mounting seat 31, the lower mounting seat 32 and the upper clamp 331, the lower clamp 332, and limit the upper clamp 331 and the movement of the lower clamp 332; a placement groove 51 is arranged on one side of the upper mounting seat 31 and the lower mounting seat 32, and a rotating buckle 5 is installed in the placement groove 51 through a fixing screw 52, ​​and the rotating buckle 5 can be controlled to be locked or loosened by adjusting the tightness of the fixing screw 52, ​​and a fixing protrusion 53 is arranged on one side of the upper clamp 331 and the lower clamp 332 close to the placement groove 51, and the rotating buckle 5 can press the fixing protrusion 53 to further fix the upper clamp 331 and the lower clamp 332.

[0042] Reference Figure 3A positioning protrusion 3321 is provided on the upper surface of the lower clamp 332, and a positioning groove 3311 is provided on the upper clamp 331 corresponding to the positioning protrusion 3321. When installing and positioning the upper clamp 331 and the lower clamp 332, precise positioning is achieved by inserting the positioning protrusion 3321 into the positioning groove 3311 to avoid positioning deviation and causing expansion errors.

[0043] Reference Figure 1 The workbench 1 is provided with an equipment box 12 that is in contact with the fixing mechanism 3. The equipment box 12 is in contact with the upper clamp 331 and is installed with a dovetail guide rail 121. The upper mounting seat 31 is provided with a dovetail groove 311 corresponding to the dovetail guide rail 121. The dovetail guide rail 121 cooperates with the dovetail groove 311, so that the upper mounting seat 31 can be moved up and down, which is convenient for the use of the clamp mechanism 33; and the cooperation between the dovetail guide rail 121 and the dovetail groove 311 can prevent the upper mounting seat 31 from being offset and separated from the guide rail during the movement.

[0044] Reference Figure 5 A mounting groove 122 is provided on one side of the equipment box 12, and a mobile bracket 6 is installed in the mounting groove 122, and the mounting groove 122 can accommodate the mobile bracket 6; a connecting groove 1222 is provided at the bottom of the mounting groove 122, and a connecting rod 62 is provided on the mobile bracket 6 corresponding to the connecting groove 1222, and the connecting rod 62 is connected to the driving rod 1251 of the driving member 4 125 in the equipment box 12, and the driving member 4 125 is a hydraulic cylinder, and the mobile bracket 6 can be driven to move by the driving member 4 125 through the connecting rod 62; two conveying pipes 7 are installed on the mobile bracket 6, and the conveying pipes 7 are corrugated pipes, one is a cleaning pipe 71, which flows out clean water to clean the eccentric drill bit 26, and the other is The lubricating pipe 72 is used to lubricate the eccentric drill bit 26 to avoid damage to the drill bit caused by high-speed friction. The other ends of the cleaning pipe 71 and the lubricating pipe 72 pass through the mobile bracket 6 and are respectively connected to the water tank 126 and the oil tank 127 located in the equipment box 12. Hydraulic pumps (not shown in the figure) are installed in the water tank 126 and the oil tank 127 to provide clean water and lubricating oil for the cleaning pipe 71 and the lubricating pipe 72. At the same time, a displacement guide rail 1221 is provided on the bottom surface of the installation groove 122, and a displacement groove 61 is provided on the mobile bracket 6 corresponding to the displacement guide rail 1221. The cooperation between the displacement guide rail 1221 and the displacement groove 61 makes it easier to move the mobile bracket 6 in or out, thereby improving efficiency.

[0045] Reference Figure 4A ring-shaped pipe 27 is provided on one side of the mold box 21 where the eccentric drill bit 26 is installed. Two feed ports 271 are provided on the ring-shaped pipe 27 corresponding to the two delivery pipes 7. In order to facilitate the insertion of the delivery pipe 7 into the feed port 271, a sliding groove 2711 communicating with the feed port 271 is provided on the ring-shaped pipe 27, so that the delivery pipe 7 can slide along the sliding groove 2711 to the feed port 271; at the same time, twelve spray heads 272 are provided on the inner side wall of the ring-shaped pipe 27 for spraying out the water and lubricating oil delivered to the ring-shaped pipe 27. The twelve spray heads 272 are circumferentially installed and can spray to the eccentric drill bit 26 at multiple angles. Compared with direct spraying of the delivery pipe 7, the spray heads 272 can clean and lubricate more fully.

[0046] Reference Figure 5 According to the position of the delivery pipe 7, a second installation groove 123 is provided on the side of the equipment box 12 for placing the delivery pipe 7. The second installation groove 123 is connected with the first installation groove 122 and can be directly stored after the position of the delivery pipe 7 is adjusted. There is no need to readjust it, which saves operation time.

[0047] The implementation principle of the embodiment of the present application is:

[0048] The flaring mechanism 2 consists of a mold box 21, a fixed washer 22, a rotating sleeve 23, an eccentric sleeve 24, a fixed washer 25, and an eccentric drill bit 26; a mold groove 211 is provided on one side of the mold box 21 close to the fixing mechanism 3, and the rotating sleeve 23 is installed in the mold groove 211. The fixed washer 22 is first installed on the outer side of the rotating sleeve 23 to limit the possible deviation of the rotating sleeve 23, and then the eccentric sleeve 24 is installed in the rotating sleeve 23, and the eccentric drill bit 26 is installed in the eccentric sleeve 24. The fixed washer 25 is installed between the eccentric sleeve 24 and the eccentric drill bit 26 to fix and position the eccentric drill bit 26, so that the rotating sleeve 23 drives the eccentric drill bit 26 to rotate.

[0049] Then install the fixing mechanism 3, and place the upper clamp 331 and the lower clamp 332 in the upper mounting seat 31 and the lower mounting seat 32 respectively; use the fixing pin 4 to insert the fixing hole 43 to limit the movement of the upper clamp 331 and the lower clamp 332, and then tighten the fixing screw 52 to control the rotating buckle 5 located in the placement groove 51, so that the rotating buckle 5 is pressed against the fixing protrusion 53 of the upper clamp 331 and the lower clamp 332, so as to further fix the upper clamp 331 and the lower clamp 332.

[0050] The metal pipe to be processed is placed in the lower clamp 332, and then the upper mounting seat 31 is controlled by the driving member 3 124 to move downward along the dovetail guide rail 121 until it is in contact with the lower mounting seat 32, and the upper clamp 331 and the lower clamp 332 are fitted together to clamp the metal pipe, and the positioning protrusion 3321 needs to be inserted into the positioning groove 3311 to achieve accurate positioning of the upper clamp 331 and the lower clamp 332; then the driving member 4 125 is used to control the movable bracket 6 to drive the two conveying pipes 7 to the annular pipe 27, and slide along the sliding groove 2711 on the annular pipe 27 to the feed port 271, at this time, water and lubricating oil are respectively conveyed into the annular pipe 27; at the same time, twelve spray heads 272 are installed circumferentially on the inner side of the annular pipe 27 to spray water or lubricating oil in the annular pipe 27 The oil is sprayed onto the eccentric drill bit 26 through the spray head 272. The twelve circumferentially installed spray heads 272 can more fully clean and lubricate the eccentric drill bit 26, reduce the friction between the eccentric drill bit 26 and the metal pipe under high-speed rotation, and extend the service life of the eccentric drill bit 26. After cleaning and lubrication, the driving member 4 125 controls the movable bracket 6 and the conveying pipe 7 to move into the mounting groove 1 122 and the mounting groove 2 123 to prevent them from hindering the movement of the expanding mechanism 2. Then the expanding mechanism 2 is controlled to move slowly along the sliding guide rail 11 toward the direction of the fixing mechanism 3 until the eccentric drill bit 26 is inserted into the metal pipe mouth and the spinning expansion is completed, and then the expanding mechanism 2 is returned to its original position, and then the upper mounting seat 31 is controlled to move upward along the dovetail guide rail 121, and finally the expanded metal pipe is taken out.

[0051] The embodiments of this specific implementation are all preferred embodiments of the present application, and are not intended to limit the protection scope of the present application. The same components are represented by the same figure marks. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A spinning type eccentric expanding machine structure, comprising a workbench (1), characterized in that: The workbench (1) is provided with a flaring mechanism (2), and a sliding guide rail (11) for the flaring mechanism (2) to move is provided on the surface of the workbench (1) close to the flaring mechanism (2); a fixing mechanism (3) is provided on one side of the surface of the workbench (1), and the flaring mechanism (2) is connected to a driving member 1 that can drive the flaring mechanism (2) to move on the sliding guide rail (11); the flaring mechanism (2) can be moved to the fixing mechanism (3) via the sliding guide rail (11) and fit with the fixing mechanism (3); The workbench (1) is provided with an equipment box (12) on one side of the fixing mechanism (3); A mounting groove (122) is provided on one side of the equipment box (12) close to the fixing mechanism (3), and a movable bracket (6) is provided in the mounting groove (122); a connecting groove (1222) is provided at the bottom of the mounting groove (122), and a connecting rod (62) is provided on the movable bracket (6) corresponding to the connecting groove (1222); a driving member (125) is provided in the equipment box (12), and the connecting rod (62) passes through the connecting groove (1222) and the driving rod (1251) of the driving member (125). ) connected; two delivery pipes (7) are arranged on the movable bracket (6), one of the two delivery pipes (7) is a cleaning pipe (71) and the other is a lubrication pipe (72); a water tank (126) and an oil tank (127) are arranged in the equipment box (12), one end of the cleaning pipe (71) and the lubrication pipe (72) penetrate the movable bracket (6) and extend into the water tank (126) and the oil tank (127) respectively, and a hydraulic pump connected to the delivery pipe (7) is arranged in the water tank (126) and the oil tank (127); The equipment box (12) is provided with a second installation groove (123) for placing the delivery pipe (7) corresponding to the delivery pipe (7), and the second installation groove (123) is communicated with the first installation groove (122); An annular pipe (27) is provided on one side of the expansion mechanism (2); the annular pipe (27) is provided with two feed ports (271) corresponding to the two conveying pipes (7); a sliding groove (2711) is provided on the annular pipe (27) for the conveying pipes (7) to slide to the feed ports (271); the sliding groove (2711) is communicated with the feed ports (271); and a plurality of spray heads (272) are circumferentially provided on one side of the annular pipe (27) close to the eccentric drill bit (26).

2. The spinning type eccentric expanding machine structure according to claim 1, characterized in that: The flaring mechanism (2) comprises a mold box (21), a fixed washer 1 (22), a rotating sleeve (23), an eccentric sleeve (24), a fixed washer 2 (25), and an eccentric drill bit (26); a mold groove (211) is provided on one side of the mold box (21); the fixed washer 1 (22) is inserted into the mold groove (211); the rotating sleeve (23) is arranged in the fixed washer 1 (22); the rotating sleeve (23) is provided with a driving member 3 for driving the rotating sleeve (23) to rotate; the fixed washer 2 (25) is located inside the rotating sleeve (23); and the eccentric drill bit (26) is located inside the fixed washer 2 (25).

3. The spinning type eccentric expanding machine structure according to claim 1, characterized in that: The fixing mechanism (3) comprises an upper mounting seat (31), a lower mounting seat (32), and a clamp mechanism (33); the clamp mechanism (33) comprises an upper clamp (331) and a lower clamp (332); the upper clamp (331) is mounted on the upper mounting seat (31), and the lower clamp (332) is mounted on the lower mounting seat (32); a transmission groove (128) is provided on one side of the equipment box (12) close to the upper mounting seat (31); a transmission rod (312) is provided on the upper mounting seat (31) corresponding to the transmission groove (128); a driving member four (124) is provided in the equipment box (12); the transmission rod (312) passes through the transmission groove (128) and is connected to a driving shaft (1241) of the driving member four (124).

4. The spinning type eccentric expanding machine structure according to claim 3, characterized in that: A fixing groove (41) is provided at the joints between the upper mounting seat (31) and the upper clamp (331), and between the lower mounting seat (32) and the lower clamp (332); a fixing groove (42) is provided on the upper clamp (331) and the lower clamp (332) corresponding to the fixing groove (41); the fixing groove (41) and the fixing groove (42) form a fixing hole (43); a fixing pin (4) is inserted into the fixing hole (43).

5. The spinning type eccentric expanding machine structure according to claim 3, characterized in that: A placement groove (51) is provided on one side of the upper mounting seat (31) and the lower mounting seat (32), a rotation buckle (5) is provided in the placement groove (51), and the rotation buckle (5) is installed in the placement groove (51) by a fixing screw (52), and a fixing protrusion (53) for pressing the rotation buckle (5) is provided on one side of the upper clamp (331) and the lower clamp (332) close to the corresponding placement groove (51).

6. The spinning type eccentric expanding machine structure according to claim 3, characterized in that: A dovetail guide rail (121) is provided on one side of the equipment box (12) that is in contact with the upper mounting seat (31), and a dovetail groove (311) for inserting the dovetail guide rail (121) is provided on the upper mounting seat (31) corresponding to the dovetail guide rail (121).

7. The spinning type eccentric expanding machine structure according to claim 1, characterized in that: A displacement guide rail (1221) is provided on one side of the installation groove 1 (122) close to the movable bracket (6), and a displacement groove (61) for installing the displacement guide rail (1221) is provided on the bottom surface of the movable bracket (6) corresponding to the displacement guide rail (1221).

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