Cylinder sleeve machining multi-tool lathe with tool rests convenient to disassemble and assemble

Abstract

The invention relates to the technical field of lathes, in particular to a cylinder sleeve machining multi-tool lathe with tool rests convenient to disassemble and assemble, which comprises a lathe body, a moving table is mounted on the lathe body, a bearing vertical plate is fixedly arranged at one end of the moving table, and mounting through holes are symmetrically formed in the bearing vertical plate; a bearing vertical plate is arranged on the movable table, positioning grooves are symmetrically formed in the movable table, locking insertion holes are symmetrically formed in the two ends of the interior of each positioning groove, matched connecting plates are symmetrically and fixedly arranged on the two sides of the end, close to the bearing vertical plate, of the movable table, and insertion channels are formed in the matched connecting plates. Positioning of the tool rests is achieved through cooperation of the bearing positioning plate and the positioning grooves, then the driving connecting plate is pushed, synchronous installation of the two tool rests can be achieved under the action of the installation inserting rods, meanwhile, automatic locking of the driving connecting plate can be achieved, installation firmness of the tool rests is guaranteed, and operation is easy, convenient and rapid.

Description

Technical Field

[0001] The invention relates to the technical field of lathes, in particular to a multi-tool lathe with a detachable tool holder for machining a cylinder sleeve. Background Art

[0002] The cylinder liner is a cylindrical part, which is placed in the cylinder body hole of the engine body and is fixed by the cylinder head. When the cylinder liner is processed, a multi-tool lathe is used for processing, which has high processing efficiency and good processing quality. However, the multi-tool lathe adopts a double tool holder, and the tool holder carries the tool. The tool holder of the existing multi-tool lathe is fixedly installed by bolts. In order to ensure the stability and firmness of the tool holder during work, it is necessary to apply torque to the tool holder after it is installed. Although this installation method is relatively simple, it is time-consuming and labor-intensive to operate. When both tool holders need to be installed and removed, the two tool holders need to be installed and removed one by one, which is inefficient and cannot achieve quick installation and removal of the tool holder, thereby affecting the use of the lathe. Summary of the invention

[0003] The object of the present invention is to provide a multi-tool lathe with a detachable tool holder for machining cylinder sleeves, so as to solve the problems raised in the above-mentioned background technology.

[0004] To achieve the above object, the present invention provides the following technical solutions: A multi-tool lathe with a detachable tool holder for processing cylinder sleeves comprises a lathe bed, a movable platform is installed on the lathe bed, a bearing vertical plate is fixedly provided at one end of the movable platform, mounting through holes are symmetrically provided on the bearing vertical plate, and positioning grooves are symmetrically provided on the movable platform, locking holes are symmetrically provided at both ends of the inner side of the positioning groove, and matching connecting plates are symmetrically fixedly provided on both sides of one end of the movable platform close to the bearing vertical plate, a plug-in channel is provided on the matching connecting plate, a limiting hole is provided on the lower side of the plug-in channel, and the limiting hole is connected with the plug-in channel, a matching positioning plate is symmetrically fixedly provided on the end of the movable platform away from the bearing vertical plate, a matching groove is provided on the matching positioning plate, and connecting lock holes are symmetrically provided on the matching positioning plate, and a convenient and detachable tool holder mechanism is installed on the movable platform.

[0005] Preferably, the convenient and detachable tool holder mechanism includes a driving connecting plate, a release plate, a tool holder body, a connecting plate, a connecting strip, a driving column, a second connecting spring and a locking plug rod, and the driving connecting plate is symmetrically fixed with mounting plug rods, the mounting plug rods are inserted in the mounting through hole, and the first connecting spring is sleeved on the mounting plug rod.

[0006] Preferably, the driving connecting plate is also symmetrically fixed with a protruding supporting plate, a movable matching hole is provided on the protruding supporting plate, and supporting carrier plates are symmetrically fixedly provided at both ends of the driving connecting plate, a positioning socket is provided on the supporting carrier plate, and a release plate is symmetrically installed on the driving connecting plate, a movable plug rod is fixedly provided at one end of the release plate, the movable plug rod is inserted in the movable matching hole, and a limiting block is fixedly provided on the movable plug rod, and a pushing column is fixedly provided at the other end of the release plate, and the pushing column is inserted in the positioning socket.

[0007] Preferably, a tool holder body is installed on the movable table, an interlocking hole is provided on one end of the tool holder body close to the bearing vertical plate, and a movable channel is provided at the lower end of the tool holder body, the movable channel is connected with the interlocking hole, and bearing positioning plates are symmetrically fixed on the tool holder body on both sides of the movable channel, and the bearing positioning plates are inserted in the positioning grooves.

[0008] Preferably, bearing blocks are symmetrically fixedly provided at both ends of the bearing positioning plate, a supporting plug hole is provided on the bearing block, and an insertion hole is provided on the tool holder body inside the bearing positioning plate, a mounting groove is provided on the tool holder body at one end of the movable channel, a through hole is provided in the mounting groove, a matching bearing rod is fixedly provided in the mounting groove, and a supporting block is fixedly provided in the movable channel, a plug-in through hole is provided on the support block, and guide bearing rods are symmetrically fixedly provided at both ends of the support block.

[0009] Preferably, a connecting plate is inserted in the movable channel, a connecting rod is fixedly arranged on the connecting plate, the connecting rod is inserted in the connecting through hole, and a matching base plate is fixedly arranged on the lower end of the connecting rod, pushing inclined plane frames are symmetrically fixedly arranged on both sides of the matching base plate, and first connecting hinges are symmetrically hinged at both ends of the connecting plate, the lower end of the first connecting hinge at one end of the connecting plate is hinged to a connecting strip, and the lower end of the first connecting hinge at the other end is hinged to a driving column.

[0010] Preferably, a matching socket is provided on the connecting strip, a guide bearing rod at one end of the supporting block is inserted into the matching socket, and a load-bearing connecting plate is fixedly provided at one end of the connecting strip, and a plug-in locking column is fixedly provided on the load-bearing connecting plate.

[0011] Preferably, the driving column is partially inserted into the interlocking socket, and a guide connecting hole is opened on the driving column, in which a guide bearing rod at the other end of the support block is inserted, and second connecting springs are respectively sleeved on the guide bearing rods at both ends of the support block, and a second connecting hinge rod is hinged on the driving column, and the other end of the second connecting hinge rod is hinged to a movable carrier plate.

[0012] Preferably, the movable carrier plate is provided with a supporting matching hole and an assembly socket, a matching carrier rod is inserted in the supporting matching hole, an assembly carrier rod is inserted in the assembly socket, a locking plug is fixedly provided on the assembly carrier rod, the locking plug is inserted in the through hole, a fixing plate on the locking plug is provided with a fixing column, and an elastic connecting piece is fixedly provided on the locking plug, and the other end of the elastic connecting piece is fixed on the movable carrier plate.

[0013] Preferably, locking rods are symmetrically installed on the bearing positioning plate, the locking rods are inserted in the supporting sockets, and a matching carrier plate is fixedly provided on the locking rods, a driving rod is fixedly provided on the matching carrier plate, and a third connecting spring is sleeved on the locking rods.

[0014] Compared with the prior art, the invention has the following advantages: 1. When installing the tool holder, place the two tool holders on the mobile table at the same time, and realize the positioning of the tool holder by the cooperation of the bearing positioning plate and the positioning groove. Then, push the driving connecting plate to realize the synchronous installation of the two tool holders under the action of the installation rod. At the same time, the driving connecting plate can also be automatically locked to ensure the firmness of the tool holder installation. The operation is simple, convenient and fast. The tool holder can also be synchronously unlocked when disassembling the tool holder.

[0015] 2. When pushing the driving connecting plate, the installation rod will be inserted into the interlocking socket to realize the first layer fixation of the tool holder, and at the same time, the driving column will be pushed to move under the action of the installation rod, and then the connecting plate will be driven to move upward under the action of the driving column, so that the connecting strip will move under the drive of the connecting plate, and then the plug-in lock column on the connecting strip will be inserted into the connecting lock hole to realize the second layer fixation of the tool holder.

[0016] 3. In addition, with the movement of the driving column, it will also drive the movable carrier plate to move, so that the locking plug on the movable carrier plate is inserted into the limit socket, thereby realizing the third-level fixation of the tool holder, and at the same time, the fixed plug column will be inserted into the positioning socket to realize the locking of the driving connecting plate. In addition, with the movement of the connecting plate, the locking plug rod will be pushed to move under the action of pushing the inclined plane frame, so that the locking plug rod is inserted into the locking socket, thereby realizing the fourth-level fixation of the tool holder. In this way, the firmness of the tool holder installation can be fully guaranteed under the multi-point fixation, and when disassembling, it only needs to push the two release plates synchronously to release the driving connecting plate and thereby unlock the tool holder, so that it can be quickly disassembled. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is the assembly diagram of the lathe bed.

[0018] Figure 2 for Figure 1A magnified schematic diagram of center A.

[0019] Figure 3 It is a structural schematic diagram of the lathe bed.

[0020] Figure 4 for Figure 3 A magnified schematic diagram of point B in the middle.

[0021] Figure 5 This is the assembly diagram of the drive connecting plate.

[0022] Figure 6 This is the first-person perspective assembly diagram of the tool holder.

[0023] Figure 7 This is the second perspective assembly diagram of the tool holder.

[0024] Figure 8 This is the third-view assembly diagram of the tool holder.

[0025] Fig. 9 for Figure 7 Enlarged schematic diagram of point C in the middle.

[0026] Fig.10 This is a schematic diagram of the tool holder structure.

[0027] Fig.11 A schematic diagram of the coordination of the connecting plate, connecting strip, driving column and locking rod.

[0028] In the figure: 1, lathe bed; 11, moving platform; 12, bearing vertical plate; 13, installation through hole; 14, positioning groove; 141, locking socket; 15, matching connecting plate; 151, plug-in channel; 152, limit socket; 16, matching positioning plate; 17, matching groove; 18, connecting lock hole; 2, driving connecting plate; 21, installation plug rod; 22, first connecting spring; 23, protruding bearing plate; 24, movable matching hole; 25, supporting carrier plate; 26, positioning socket; 3, release plate; 31, movable plug rod; 32, limit block; 33, ejector column; 4, tool holder body; 41, interlocking socket; 42, movable channel; 43, bearing positioning plate; 44, bearing block; 45, supporting socket; 46, insertion hole; 4 7. Installation groove; 471. Through hole; 472. Matching load-bearing rod; 48. Support block; 481. Plug-in through hole; 482. Guide bearing rod; 5. Connecting connecting plate; 51. Plug-in connecting rod; 52. Matching bottom plate; 53. Pushing inclined frame; 54. First connecting hinge rod; 6. Connecting strip; 61. Matching socket; 62. Load-bearing connecting plate; 63. Plug-in locking column; 7. Drive column; 71. Guide connecting hole; 72. Second connecting hinge rod; 73. Movable load-bearing plate; 74. Support matching hole; 75. Assembly socket; 76. Assembly load-bearing rod; 77. Locking plug block; 78. Fixed plug column; 79. Elastic connecting piece; 8. Second connecting spring; 9. Locking plug rod; 91. Matching load-bearing plate; 92. Drive rod; 93. Third connecting spring. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0030] See also Figures 1 to 11 , the present invention provides a technical solution: A multi-tool lathe with a detachable tool holder for processing a cylinder sleeve comprises a lathe bed 1, on which a movable platform 11 is installed, a bearing vertical plate 12 is fixedly provided at one end of the movable platform 11, mounting through holes 13 are symmetrically provided on the bearing vertical plate 12, and a positioning groove 14 is symmetrically provided on the movable platform 11, and locking holes 141 are symmetrically provided at both ends of the inner part of the positioning groove 14, and matching connecting plates 15 are symmetrically fixedly provided at both sides of one end of the movable platform 11 close to the bearing vertical plate 12, a plug-in channel 151 is provided on the matching connecting plate 15, and a limited position hole 152 is provided on the lower side of the plug-in channel 151, and the limited position hole 152 is connected with the plug-in channel 151, a matching positioning plate 16 is symmetrically fixedly provided at one end of the movable platform 11 away from the bearing vertical plate 12, a matching groove 17 is provided on the matching positioning plate 16, and connecting lock holes 18 are symmetrically provided on the matching positioning plate 16, and a convenient and detachable tool holder mechanism is installed on the movable platform 11.

[0031] The convenient and detachable tool holder mechanism includes a driving connecting plate 2, a release plate 3, a tool holder body 4, a connecting connecting plate 5, a connecting strip 6, a driving column 7, a second connecting spring 8 and a locking plug rod 9. The driving connecting plate 2 is symmetrically fixed with a mounting plug rod 21, the mounting plug rod 21 is inserted in the mounting through hole 13, and the mounting plug rod 21 is sleeved with a first connecting spring 22, and the two ends of the first connecting spring 22 are respectively welded to the bearing vertical plate 12 and the driving connecting plate 2.

[0032] A protruding supporting plate 23 is symmetrically fixedly provided on the driving connecting plate 2, and a movable matching hole 24 is provided on the protruding supporting plate 23, and supporting carrier plates 25 are symmetrically fixedly provided at both ends of the driving connecting plate 2, and a positioning hole 26 is provided on the supporting carrier plates 25. A release plate 3 is symmetrically installed on the driving connecting plate 2, and a movable plug rod 31 is fixedly provided at one end of the release plate 3, and the movable plug rod 31 is inserted into the movable matching hole 24, and a limiting block 32 is fixedly provided on the movable plug rod 31, and a push-out column 33 is fixedly provided at the other end of the release plate 3, and the push-out column 33 is inserted into the positioning hole 26.

[0033] A tool holder body 4 is installed on the movable table 11. An interlocking hole 41 is opened at one end of the tool holder body 4 close to the bearing vertical plate 12, and a movable channel 42 is opened at the lower end of the tool holder body 4. The movable channel 42 is connected with the interlocking hole 41, and bearing positioning plates 43 are symmetrically fixed on the tool holder body 4 on both sides of the movable channel 42. The bearing positioning plates 43 are inserted into the positioning grooves 14, and the positioning of the tool holder body 4 is achieved by the cooperation between the bearing positioning plates 43 and the positioning grooves 14.

[0034] A bearing block 44 is symmetrically fixedly provided at both ends of the bearing positioning plate 43, a supporting socket 45 is provided on the bearing block 44, and an insertion hole 46 is provided on the tool holder body 4 inside the bearing positioning plate 43, a mounting groove 47 is provided on the tool holder body 4 at one end of the movable channel 42, a through hole 471 is provided in the mounting groove 47, and a matching bearing rod 472 is fixedly provided in the mounting groove 47, and a supporting block 48 is fixedly provided in the movable channel 42, a plug-in through hole 481 is provided on the support block 48, and guide bearing rods 482 are symmetrically fixedly provided at both ends of the support block 48.

[0035] A connecting plate 5 is inserted in the movable channel 42, and a connecting rod 51 is fixedly arranged on the connecting plate 5. The connecting rod 51 is inserted in the connecting through hole 481, and a matching base plate 52 is fixedly arranged at the lower end of the connecting rod 51, and pushing inclined plane frames 53 are symmetrically fixed on both sides of the matching base plate 52. The two ends of the connecting plate 5 are symmetrically hinged with first connecting hinges 54, and the lower end of the first connecting hinge 54 at one end of the connecting plate 5 is hinged with a connecting strip 6, and the lower end of the first connecting hinge 54 at the other end is hinged with a driving column 7.

[0036] A matching socket 61 is provided on the connecting strip 6, and a guide bearing rod 482 at one end of the support block 48 is inserted into the matching socket 61, and a load-bearing connecting plate 62 is fixedly provided at one end of the connecting strip 6, and a plug-in lock column 63 is fixedly provided on the load-bearing connecting plate 62. In addition, the connecting strip 6 passes through the movable channel 42 and is inserted into the matching groove 17, and the plug-in lock column 63 is inserted into the connecting lock hole 18 when it plays a fixing role on the tool holder body 4.

[0037] The driving column 7 is partially inserted into the interlocking socket 41, and a guide connecting hole 71 is opened on the driving column 7, and a guide bearing rod 482 at the other end of the support block 48 is inserted in the guide connecting hole 71, and the second connecting springs 8 are respectively sleeved on the guide bearing rods 482 at both ends of the support block 48. A second connecting hinge rod 72 is hinged on the driving column 7, and the other end of the second connecting hinge rod 72 is hinged with a movable carrier plate 73. In addition, the two ends of the second connecting spring 8 in contact with the connecting strip 6 are respectively welded to the support block 48 and the connecting strip 6, and the two ends of the second connecting spring 8 in contact with the driving column 7 are respectively welded to the support block 48 and the driving column 7.

[0038] A supporting matching hole 74 and an assembly socket 75 are provided on the movable carrier plate 73. A matching carrier rod 472 is inserted in the supporting matching hole 74, and an assembly carrier rod 76 is inserted in the assembly socket 75. A locking plug 77 is fixedly provided on the assembly carrier rod 76. The locking plug 77 is inserted in the through hole 471. A fixed plug column 78 is provided on the fixing plate on the locking plug 77, and an elastic connecting piece 79 is fixedly provided on the locking plug 77. The other end of the elastic connecting piece 79 is fixed on the movable carrier plate 73. In addition, the locking plug 77 is inserted in the limiting socket 152 when it plays a fixing role on the tool holder body 4, and the fixed plug column 78 is inserted in the positioning socket 26 when it plays a fixing role on the driving connecting plate 2.

[0039] Preferably, a locking rod 9 is symmetrically installed on the bearing positioning plate 43, the locking rod 9 is inserted in the supporting socket 45, and a matching carrier plate 91 is fixedly provided on the locking rod 9, a driving rod 92 is fixedly provided on the matching carrier plate 91, a third connecting spring 93 is sleeved on the locking rod 9, and the two ends of the third connecting spring 93 are respectively welded on the matching carrier plate 91 and the bearing block 44, and the locking rod 9 is inserted in the locking socket 141 when it plays a fixing role on the tool holder body 4.

[0040] When installing the tool holder body 4, the bearing positioning plate 43 on the tool holder body 4 is inserted into the positioning groove 14, and the positioning of the tool holder body 4 is achieved by the cooperation of the bearing positioning plate 43 and the positioning groove 14. Then, the driving connecting plate 2 is pushed in the direction of the bearing vertical plate 12. As the driving connecting plate 2 moves, the installation plug rod 21 will be inserted into the interlocking plug hole 41, so that the first layer of the tool holder body 4 will be fixed under the action of the installation plug rod 21, and the driving column 7 will be pushed to move under the action of the installation plug rod 21. As the driving column 7 moves, the connecting plate 5 is pushed upward under the action of the first connecting hinge 54, so that the connecting strip 6 will be further pulled under the action of the first connecting hinge 54 at the other end. The movable channel 42 is moved to the movable channel 42, so that the plug-in lock column 63 on the bearing connecting plate 62 can be plugged into the connecting lock hole 18, thereby realizing the second layer fixation of the tool holder body 4. In addition, with the movement of the driving column 7, the movable carrier plate 73 will be driven to move under the action of the second connecting hinge 72, so that the locking plug block 77 on the movable carrier plate 73 is plugged into the limiting plug hole 152, thereby realizing the fourth layer fixation of the tool holder body 4, and with the movement of the locking plug block 77, the fixed plug column 78 on the locking plug block 77 will contact the supporting carrier plate 25, so that with the movement of the movable carrier plate 73, the elastic connecting piece 79 will be in a compressed state under the restriction of the supporting carrier plate 25 until the fixed plug column 78 is aligned with the positioning plug hole 26 The locking block 77 is also stably inserted in the limit hole 152 at this time, and the locking block 77 is also stably inserted in the limit hole 152 at this time. Moreover, as the connecting plate 5 moves upward, it will also drive the matching bottom plate 52 to move upward. In this way, the driving rod 92 will be pushed to move under the action of the pushing inclined plane frame 53 on the matching bottom plate 52, thereby driving the locking rod 9 to move, so that the locking rod 9 is inserted into the locking hole 141. In this way, the fourth layer of fixation of the tool holder body 4 can be achieved under the action of the locking rod 9, and the tool holder 4 can be fully secured under the multi-layer fixation at multiple points. The installation of the frame body 4 is firm and stable, and the operation is simple, convenient and fast. The synchronous installation of the two tool holder bodies 4 can be achieved. When the tool holder body 4 needs to be disassembled, the two release plates 3 can be pushed toward each other at the same time, so that the pushing column 33 on the release plate 3 is inserted into the positioning socket 26 again, so that the fixed plug 78 will be withdrawn from the positioning socket 26 under the action of the pushing column 33, so that the driving connecting plate 2 can be put into an unlocked state, so that it can be reset under the action of the first connecting spring 22, and then the installation plug 21 can be withdrawn from the interlocking socket 41, so as to unlock the tool holder body 4 and disassemble the tool holder body 4. The operation is very convenient and the tool holder body 4 can be installed and disassembled without using tools.

[0041] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A multi-tool lathe with a detachable tool holder for machining a cylinder liner, comprising a lathe bed (1), characterized in that: A moving platform (11) is mounted on the lathe bed (1), a bearing upright plate (12) is fixedly disposed on one end of the moving platform (11), the bearing upright plate (12) is symmetrically provided with mounting through holes (13), and a positioning groove (14) is symmetrically disposed on the moving platform (11), locking sockets (141) are symmetrically disposed at both ends of the positioning groove (14), and matching connecting plates (15) are symmetrically fixedly disposed on both sides of one end of the moving platform (11) close to the bearing upright plate (12), the matching connecting plates (15) A plug-in channel (151) is provided on the upper side, a limit plug hole (152) is provided on the lower side of the plug-in channel (151), the limit plug hole (152) and the plug-in channel (151) are interlinked, a matching positioning plate (16) is symmetrically fixedly provided at one end of the mobile platform (11) away from the supporting vertical plate (12), a matching groove (17) is provided on the matching positioning plate (16), and a connecting lock hole (18) is symmetrically provided on the matching positioning plate (16), and a convenient installation and removal type tool holder mechanism is installed on the mobile platform (11).

2. A multi-tool lathe with a detachable tool holder for machining cylinder sleeves according to claim 1, characterized in that: The conveniently mounted and detachable tool holder mechanism comprises a driving connecting plate (2), a release plate (3), a tool holder body (4), a connecting connecting plate (5), a connecting strip (6), a driving column (7), a second connecting spring (8) and a locking plug rod (9); a mounting plug rod (21) is symmetrically fixedly arranged on the driving connecting plate (2); the mounting plug rod (21) is inserted into the mounting through hole (13), and a first connecting spring (22) is sleeved on the mounting plug rod (21).

3. A multi-tool lathe with a detachable tool holder for machining cylinder sleeves according to claim 2, characterized in that: The driving connecting plate (2) is also symmetrically fixed with a protruding support plate (23), the protruding support plate (23) is provided with a movable matching hole (24), and the two ends of the driving connecting plate (2) are symmetrically fixed with supporting carrier plates (25), the supporting carrier plates (25) are provided with a positioning plug hole (26), and a release plate (3) is symmetrically installed on the driving connecting plate (2), one end of the release plate (3) is fixedly provided with a movable plug rod (31), the movable plug rod (31) is inserted into the movable matching hole (24), and a limit block (32) is fixedly provided on the movable plug rod (31), and the other end of the release plate (3) is fixedly provided with a push column (33), and the push column (33) is inserted into the positioning plug hole (26).

4. A multi-tool lathe with a detachable tool holder for machining cylinder sleeves according to claim 3, characterized in that: A tool holder body (4) is mounted on the movable platform (11); an interlocking hole (41) is provided on one end of the tool holder body (4) close to the bearing vertical plate (12); a movable channel (42) is provided at the lower end of the tool holder body (4); the movable channel (42) is connected to the interlocking hole (41); and bearing positioning plates (43) are symmetrically fixedly provided on the tool holder body (4) on both sides of the movable channel (42); the bearing positioning plates (43) are inserted into the positioning grooves (14).

5. A multi-tool lathe with a detachable tool holder for machining cylinder sleeves according to claim 4, characterized in that: The two ends of the bearing positioning plate (43) are symmetrically fixedly provided with bearing blocks (44), the bearing blocks (44) are provided with supporting insertion holes (45), and the tool holder body (4) inside the bearing positioning plate (43) is provided with an insertion hole (46), the tool holder body (4) at one end of the movable channel (42) is provided with a mounting groove (47), the mounting groove (47) is provided with a through hole (471), and a matching bearing rod (472) is fixedly provided in the mounting groove (47), and a supporting block (48) is fixedly provided in the movable channel (42), the supporting block (48) is provided with an insertion through hole (481), and guide bearing rods (482) are symmetrically fixedly provided at both ends of the supporting block (48).

6. A multi-tool lathe with a detachable tool holder for machining cylinder sleeves according to claim 5, characterized in that: A connecting plate (5) is inserted into the movable channel (42), a plug-in connecting rod (51) is fixedly arranged on the connecting plate (5), the plug-in connecting rod (51) is inserted into the plug-in through hole (481), and a matching base plate (52) is fixedly arranged at the lower end of the plug-in connecting rod (51), and pushing inclined plane frames (53) are symmetrically fixedly arranged on both sides of the matching base plate (52), and first connecting hinges (54) are symmetrically hinged at both ends of the connecting plate (5), the lower end of the first connecting hinge (54) at one end of the connecting plate (5) is hinged to a connecting strip (6), and the lower end of the first connecting hinge (54) at the other end is hinged to a driving column (7).

7. A multi-tool lathe with a detachable tool holder for machining cylinder sleeves according to claim 6, characterized in that: The connecting strip (6) is provided with a matching socket (61), a guide bearing rod (482) at one end of the support block (48) is inserted into the matching socket (61), and a bearing connecting plate (62) is fixedly provided at one end of the connecting strip (6), and a plug-in lock column (63) is fixedly provided on the bearing connecting plate (62).

8. A multi-tool lathe with a detachable tool holder for machining cylinder sleeves according to claim 7, characterized in that: The driving column (7) is partially inserted into the interlocking socket (41), and a guide connecting hole (71) is provided on the driving column (7), a guide bearing rod (482) at the other end of the support block (48) is inserted into the guide connecting hole (71), and second connecting springs (8) are respectively sleeved on the guide bearing rods (482) at both ends of the support block (48), and a second connecting hinge rod (72) is hinged on the driving column (7), and the other end of the second connecting hinge rod (72) is hinged to a movable carrier plate (73).

9. A multi-tool lathe with a detachable tool holder for machining cylinder sleeves according to claim 8, characterized in that: The movable carrier plate (73) is provided with a supporting matching hole (74) and an assembly insertion hole (75); a matching carrier rod (472) is inserted into the supporting matching hole (74); an assembly carrier rod (76) is inserted into the assembly insertion hole (75); a locking plug (77) is fixedly provided on the assembly carrier rod (76); the locking plug (77) is inserted into the through hole (471); a fixing plate on the locking plug (77) is provided with a fixing plug column (78); and an elastic connecting piece (79) is fixedly provided on the locking plug (77); the other end of the elastic connecting piece (79) is fixed to the movable carrier plate (73).

10. A multi-tool lathe with a detachable tool holder for machining cylinder sleeves according to claim 9, characterized in that: A locking rod (9) is symmetrically mounted on the bearing positioning plate (43), the locking rod (9) is inserted into the supporting insertion hole (45), a matching carrier plate (91) is fixedly arranged on the locking rod (9), a driving rod (92) is fixedly arranged on the matching carrier plate (91), and a third connecting spring (93) is sleeved on the locking rod (9).

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