Vertical edge milling machine

Abstract

The invention relates to the technical field of metal processing, and discloses a vertical edge milling machine which comprises a wall plate, a pressing assembly, a push rod pressing assembly, a servo lifting sliding table, a base assembly, a first driven roller supporting assembly and a second driven roller supporting assembly. The pressing assembly is arranged on the surface of the wall plate, the push rod pressing assembly is arranged on the surface of the wall plate, and the servo lifting sliding table is arranged on the base assembly. A push rod pressing assembly is arranged on the surface of the pressing assembly. According to the edge milling machine, the defects of the early edge milling machine in structure and function are overcome. For example, lifting adjustment of part of edge milling machines depends on manual rotation of a transmission shaft to drive a gear to move, a supporting plate drives a milling cutter to ascend and descend, in this way, lifting stability is poor, manual adjustment precision is low, workpieces are prone to being damaged, defective products are prone to being generated, and machining efficiency is greatly reduced. And the production requirements of high precision and high efficiency cannot be met.

Description

Technical Field

[0001] The present invention relates to the technical field of metal processing, and more specifically to a vertical milling machine for edge milling. Background Art

[0002] With the continuous progress of related technologies such as mechanical manufacturing, automation control, and sensors, technical support has been provided for the upgrading of edge milling machines. For example, the application of technologies such as high-precision transmission devices, advanced control systems, and reliable sensors has significantly improved the edge milling machines in terms of structural design, machining accuracy, and automation level.

[0003] Early edge milling machines had many deficiencies in terms of structure and function. For example, the lifting adjustment of some edge milling machines relied on manual rotation of the transmission shaft to drive the gear movement to achieve the lifting of the support plate driving the milling cutter. This method not only had poor lifting stability but also low manual adjustment accuracy, easily damaged the workpiece, produced defective products, greatly reduced the processing efficiency, and could not meet the production requirements of high precision and high efficiency. Summary of the Invention

[0004] The purpose of the present invention is to provide a vertical milling machine for edge milling to solve the problems raised in the above background art.

[0005] To solve the above technical problems, the present invention is achieved through the following technical solutions: The present invention is a vertical milling machine for edge milling, including a wall plate, a pressing component, a push rod pressing component, a servo lifting slide, a base component, a driven roller support component one, and a driven roller support component two. The surface of the wall plate is provided with a pressing component, the surface of the wall plate is provided with a push rod pressing component, the surface of the pressing component is provided with a push rod pressing component, the surface of the base component is provided with a servo lifting slide, the surface of the pressing component is provided with a driven roller support component one, and the surface of the pressing component is provided with a driven roller support component two. The wall plate is used as the main support structure and fixed on the equipment base, and a pressing component and a push rod pressing component are installed on its surface.

[0006] Furthermore, the pressing component includes a hydraulic base, the surface of the hydraulic base is slidably connected to the surface of the wall plate, the surface of the hydraulic base is provided with a support, the surface of the hydraulic base is fixedly connected with a chemical anchor bolt one, and the surface of the hydraulic base is provided with a clamping device. The pressing component is slidably connected to the wall plate through the hydraulic base, and a support and a clamping device are arranged on the hydraulic base for fixing the workpiece and dispersing the pressure, and a chemical anchor bolt one is arranged at the bottom of the hydraulic base for fixing with the foundation.

[0007] Furthermore, the push rod pressing assembly includes a first linear guide rail, which is fixedly connected to the surface of the pressing assembly. A transfer block is fixedly connected to the surface of the first linear guide rail. A pressure rod is fixedly connected to the surface of the transfer block. A pressure head is fixedly connected to the surface of the pressure rod. A self-lubricating flanged bushing is sleeved on the surface of the pressure rod. A guide shaft is provided on the surface of the pressure rod. A spring is sleeved on the surface of the guide shaft. A floating joint is fixedly connected to the surface of the pressure rod. The push rod pressing assembly is fixed on the pressing assembly through the first linear guide rail. A pressure head is installed at the end of the pressure rod. The self-lubricating flanged bushing is sleeved on the surface of the pressure rod. The guide shaft and the spring cooperate to achieve adaptive adjustment of the pressing force.

[0008] Furthermore, the servo lifting and sliding table includes a sliding table support. The sliding table support is slidably connected to the base through a linear guide rail. A sliding table connecting seat is fixedly connected to the surface of the sliding table support. A second linear guide rail is fixedly connected to the surface of the sliding table support. An electric push moving plate is provided on the surface of the second linear guide rail. The electric push moving plate is provided with the second linear guide rail. An electric spindle fixed base mounting plate is provided on the surface of the second linear guide rail. An electric cylinder mounting plate is fixedly connected to the surface of the electric spindle fixed base mounting plate. An electric cylinder support two is provided on the surface of the electric push moving plate. A servo electric push cylinder one is provided on the surface of the electric cylinder support two. An electric spindle fixed base is provided on the surface of the electric spindle fixed base mounting plate. An electric spindle is fixedly connected to the surface of the electric spindle fixed base. A milling cutter handle is installed on the electric spindle. A collet is installed in the inner hole of the milling cutter handle. A milling cutter is installed in the inner hole of the collet. A joint fixing plate is fixedly connected to the surface of the electric push moving plate. A push rod joint is provided on the surface of the joint fixing plate. An electric cylinder support one is provided on the surface of the sliding table support. A servo electric push cylinder two is provided on the surface of the electric cylinder support one. A sliding table connecting seat is provided on the surface of the sliding table support. The servo lifting and sliding table is composed of a sliding table support, a second linear guide rail, an electric push moving plate, etc. The sliding table support is slidably connected to the base assembly through a linear guide rail. The sliding table support fixes the second linear guide rail. The electric push moving plate moves along the guide rail, driving the electric spindle and the milling cutter handle on the electric spindle fixed base mounting plate to lift. The servo electric push cylinder drives the electric push moving plate through the electric cylinder support two to achieve precise adjustment of the axial front and back and horizontal left and right of the milling cutter.

[0009] Furthermore, the base assembly includes a base. The base and the pressing assembly are fixedly connected through a connecting plate and an L-shaped tension bar. Limit blocks are fixed at the upper and lower ends of the base. A linear guide rail is fixedly connected to the surface of the base. A servo motor (with brake) is provided on the surface of the base. A planetary reducer is provided on the surface of the servo motor (with brake). A motor base is provided on the surface of the planetary reducer. A lead screw support base one is provided on the surface of the base. The planetary reducer is connected to the lead screw through a cross coupling. A lead screw is provided on the surface of the lead screw support base one. A lead screw nut adapter seat is provided on the surface of the lead screw. A lead screw support base two is provided on the surface of the lead screw nut adapter seat. A drag chain is provided on the surface of the base. An inclined pressing block is fixedly connected to the surface of the base. The base assembly includes a base, a linear guide rail, a servo motor with brake, a lead screw drive system, etc. The servo motor drives the lead screw through a planetary reducer and a cross coupling, driving the lead screw nut adapter seat to move, realizing the overall vertical displacement of the servo lifting slide table in the vertical direction. Limit blocks and inclined pressing blocks are provided on the surface of the base for stroke limitation and stability control of the slide table movement.

[0010] Furthermore, the first driven roller support assembly includes a raceway base one. The surface of the raceway base one is slidably connected to the surface of the pressing assembly. A driven wheel is slidably connected to the surface of the raceway base one. A support one is fixedly connected to the surface of the raceway base one. An upper connecting seat is slidably connected to the surface of the pressing assembly. The surface of the upper connecting seat is slidably connected to the raceway base one. A lower connecting plate is fixedly connected to the surface of the pressing assembly. The surface of the lower connecting plate is slidably connected to the surface of the support one. A wall plate support block is provided on the surface of the support one. The surface of the wall plate support block is slidably connected to the surface of the pressing assembly. The first driven roller support assembly supports the workpiece through the raceway base one and the support one. The wall plate support block is slidably connected to the pressing assembly to ensure the stability of the workpiece in the horizontal direction.

[0011] Furthermore, the second driven roller support assembly includes a support two. The surface of the support two is slidably connected to the surface of the pressing assembly. A raceway base two is fixedly connected to the surface of the support two. A driven roller is slidably connected to the surface of the raceway base two. The second driven roller support assembly is composed of the support two and the raceway base two. The driven roller is used to support the vertical movement of the workpiece to adapt to the processing of steel plates of different sizes.

[0012] The present invention has the following beneficial effects: (1) The present invention is built through the main frame Fix the wall panel on the equipment base as the main support structure, and install the pressing component and the push rod pressing component on its surface. The pressing component is slidably connected to the wall panel through a hydraulic base. A support and a clamping device are arranged on the hydraulic base for fixing the workpiece and dispersing the pressure. The push rod pressing component is fixed on the pressing component through a linear guide rail I. A pressing head is installed at the end of the pressing rod. A self-lubricating flanging bushing is sleeved on the surface of the pressing rod. The guide shaft and the spring cooperate to realize the adaptive adjustment of the pressing force.

[0013] (2) The present invention is installed through a servo lifting and sliding table, which is composed of a sliding table support, a linear guide rail II, an electric push moving plate, etc. The sliding table support is slidably connected to the base. The sliding table support fixes the linear guide rail II. The electric push moving plate moves along the guide rail, driving the electric spindle and the milling cutter handle on the fixed base plate of the electric spindle to lift. The servo electric push cylinder drives the electric push moving plate through the electric cylinder support II to realize the precise adjustment of the height and angle of the milling cutter.

[0014] (3) The present invention is integrated through a base component The base component includes a base, a linear guide rail, a servo motor with a brake, a screw drive system, etc. The servo motor drives the screw through a planetary reducer and a cross coupling, driving the screw nut adapter to move, realizing the overall lateral displacement of the sliding table. Limit blocks and inclined pressure blocks are arranged on the surface of the base for stroke limitation and stability control of the sliding table movement.

[0015] (4) The present invention is configured through a driven roller support component The first driven roller support component supports the workpiece through a raceway base I and a support I. The wall panel support block is slidably connected to the pressing component to ensure the stability of the workpiece in the horizontal direction. The second driven roller support component is composed of a support II and a raceway base II. The driven roller is used to support the vertical movement of the workpiece to adapt to the processing of steel plates of different sizes.

[0016] Of course, it is not necessary for any product implementing the present invention to achieve all the above-mentioned advantages simultaneously. Brief Description of the Drawings

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0018] Figure 1 It is a schematic structural diagram of the present invention; Figure 2 It is a schematic structural diagram of the pressing component in the present invention; Figure 3 It is a schematic structural diagram of the push rod pressing component in the present invention; Figure 4 It is a schematic structural diagram of the servo lifting sliding table in the present invention; Figure 5 It is a schematic structural diagram of the base assembly in the present invention; Figure 6 It is a schematic structural diagram of the first driven roller support assembly in the present invention; Figure 7 It is a schematic structural diagram of the second driven roller support assembly in the present invention; Figure 8 It is a schematic structural diagram from another angle in the present invention; In the accompanying drawings, the list of components represented by each reference numeral is as follows: In the figure, 1 is a wall panel; 2 is a pressing assembly; 21 is a support; 22 is a hydraulic base; 23 is a chemical anchor bolt I; 24 is a clamping device; 3 is a push rod pressing assembly; 31 is a linear guide rail I; 32 is an adapter block; 33 is a pressure bar; 34 is a pressure head; 35 is a self-lubricating flanged bushing; 36 is a guide shaft; 37 is a spring; 38 is a floating joint; 4 is a servo lifting sliding table; 41 is a milling cutter; 42 is a milling cutter handle; 43 is an electric spindle fixing base; 44 is an electric spindle fixing base mounting plate; 45 is a linear guide rail II; 46 is an electric push moving plate; 47 is a joint fixing plate; 48 is a push rod joint; 49 is an electric cylinder mounting plate; 410 is an electric cylinder support II; 411 is a servo electric push cylinder I; 412 is an electric spindle; 413 is a sliding table support; 414 is a sliding table connecting seat; 415 is an electric cylinder support I; 416 is a servo electric push cylinder II; 5 is a base assembly; 51 is a limit block; 52 is a linear guide rail; 53 is a servo motor with brake; 54 is a planetary reducer; 55 is a motor seat; 56 is a lead screw support I; 57 is a cross coupling; 58 is a lead screw; 59 is a chemical anchor bolt II; 510 is a lead screw nut adapter seat; 511 is a lead screw support II; 512 is a drag chain; 513 is an inclined pressure block; 514 is a base; 6 is a first driven roller support assembly; 61 is a raceway base I; 62 is a support I; 63 is a driven wheel; 64 is an upper connecting seat; 65 is a lower connecting plate; 66 is a wall panel support block; 7 is a second driven roller support assembly; 71 is a support II; 72 is a raceway base II; 73 is a driven roller. Specific embodiments

[0019] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0020] Please refer to Figure 1 - Figure 8As shown, the present invention is a vertical edge milling machine, including a wall panel 1, a clamping assembly 2, a push rod clamping assembly 3, a servo lift slide 4, a base assembly 5, a driven roller support assembly 1 6, and a driven roller support assembly 2 7. The surface of the wall panel 1 is provided with the clamping assembly 2, the surface of the wall panel 1 is provided with the push rod clamping assembly 3, the surface of the clamping assembly 2 is provided with the push rod clamping assembly 3, the surface of the base assembly 5 is provided with the servo lift slide 4, the surface of the servo lift slide 4 is provided with the base assembly 5, the surface of the clamping assembly 2 is provided with the driven roller support assembly 1 6, and the surface of the clamping assembly 2 is provided with the driven roller support assembly 2 7. The wall panel 1 is fixed to the equipment base as the main supporting structure, and the clamping assembly 2 and the push rod clamping assembly 3 are installed on its surface.

[0021] The clamping assembly 2 includes a hydraulic base 22, which is slidably connected to the surface of the wall panel 1. A support 21 is provided on the surface of the hydraulic base 22, to which a chemical anchor 23 is fixedly connected. A clamping device 24 is also provided on the surface of the hydraulic base 22. The clamping assembly 2 is slidably connected to the wall panel 1 via the hydraulic base 22. The support 21, chemical anchor 23, and clamping device 24 are provided on the hydraulic base 22 to secure the workpiece and distribute pressure.

[0022] The push rod clamping assembly 3 includes a linear guide rail 31, which is fixedly connected to the surface of the clamping assembly 2. The surface of the linear guide rail 31 is fixedly connected to an adapter block 32, the surface of the adapter block 32 is fixedly connected to a pressure rod 33, the surface of the pressure rod 33 is fixedly connected to a pressure head 34, the surface of the pressure rod 33 is covered with a self-lubricating flanged sleeve 35, the surface of the pressure rod 33 is provided with a guide shaft 36, the surface of the guide shaft 36 is covered with a spring 37, and the surface of the pressure rod 33 is fixedly connected to a floating joint 38. The push rod clamping assembly 3 is fixed to the clamping assembly 2 via the linear guide rail 31. The pressure head 34 is installed at the end of the pressure rod 33, and the surface of the pressure rod 33 is covered with a self-lubricating flanged sleeve 35. The guide shaft 36 and the spring 37 cooperate to achieve adaptive adjustment of the clamping force.

[0023] The servo lifting and sliding table 4 includes a sliding table support 413. The sliding table support 413 is slidably connected to the base 514 through a linear guide 52. A sliding table connecting seat 414 is fixedly connected to the surface of the sliding table support 413. A second linear guide 45 is fixedly connected to the surface of the sliding table connecting seat 414. An electric push moving plate 46 is provided on the surface of the second linear guide 45. The electric push moving plate 46 is provided with the second linear guide 45. A spindle fixed base mounting plate 44 is provided on the surface of the second linear guide 45. An electric cylinder mounting plate 49 is fixedly connected to the surface of the spindle fixed base mounting plate 44. An electric cylinder support two 410 is provided on the surface of the electric push moving plate 46. A first servo electric push cylinder 411 is provided on the surface of the electric cylinder support two 410. A spindle fixed base 43 is provided on the surface of the spindle fixed base mounting plate 44. A spindle 412 is fixedly connected to the surface of the spindle fixed base 43. A milling cutter handle 42 is installed on the spindle 412. A collet is installed in the inner hole of the milling cutter handle 42. A milling cutter 41 is installed in the collet. A joint fixing plate 47 is fixedly connected to the surface of the electric push moving plate 46. A push rod joint 48 is provided on the surface of the joint fixing plate 47. An electric cylinder support one 415 is provided on the surface of the sliding table support 413. A second servo electric push cylinder 416 is provided on the surface of the electric cylinder support one 415. A sliding table connecting seat 414 is provided on the surface of the sliding table support 413. The servo lifting and sliding table 4 is composed of a sliding table support 413, a second linear guide 45, an electric push moving plate 46, etc. The sliding table support 413 is slidably connected to the base assembly 5 through the linear guide 52. The sliding table support 413 fixes the second linear guide 45. The electric push moving plate 46 moves along the guide rail, driving the spindle 412 and the milling cutter handle 42 on the spindle fixed base mounting plate 44 to lift. The servo electric push cylinder drives the electric push moving plate 46 through the electric cylinder support two 410, realizing precise adjustment of the axial front-back and horizontal left-right of the milling cutter 41.

[0024] The base assembly 5 includes a base 514. The base 514 is fixedly connected to the pressing assembly 2 through a connecting plate and an L-shaped tension bar. Limit blocks 51 are fixed at the upper and lower ends of the base 514. A linear guide 52 is fixedly connected to the surface of the base 514. A servo motor with a brake 53 is provided on the surface of the base 514. A planetary reducer 54 is provided on the surface of the servo motor with a brake 53. A motor base 55 is provided on the surface of the planetary reducer 54. A lead screw support base one 56 is provided on the surface of the base 514. The planetary reducer 54 is connected to a lead screw 58 through a cross coupling 57. The lead screw 58 is provided on the surface of the lead screw support base one 56. A lead screw nut adapter seat 510 is provided on the surface of the lead screw 58. A lead screw support base two 511 is provided on the surface of the lead screw nut adapter seat 510. A drag chain 512 is provided on the surface of the base 514. An inclined pressing block 513 is fixedly connected to the surface of the base 514. The base assembly 5 includes the base 514, the linear guide 52, the servo motor with a brake 53, the lead screw 58 transmission system, etc. The servo motor drives the lead screw 58 through the planetary reducer 54 and the cross coupling 57, driving the movement of the lead screw nut adapter seat, realizing the overall vertical displacement of the sliding table in the vertical direction. Limit blocks 51 and inclined pressing blocks 513 are provided on the surface of the base 514 for stroke limitation and stability control of the sliding table movement.

[0025] The first driven roller support assembly 6 includes a first raceway base 61. The surface of the first raceway base 61 is slidably connected to the surface of the pressing assembly 2. A driven wheel 63 is slidably connected to the surface of the first raceway base 61. A first support 62 is fixedly connected to the surface of the first raceway base 61. An upper connecting seat 64 is slidably connected to the surface of the pressing assembly 2. The surface of the upper connecting seat 64 is slidably connected to the surface of the first raceway base 61. A lower connecting plate 65 is fixedly connected to the surface of the pressing assembly 2. The surface of the lower connecting plate 65 is slidably connected to the surface of the first support 62. A wall plate 1 support block is provided on the surface of the first support 62. The surface of the wall plate 1 support block is slidably connected to the surface of the pressing assembly 2. The first driven roller support assembly 6 supports the workpiece through the first raceway base 61 and the first support 62. The wall plate support block 66 is slidably connected to the pressing assembly 2 to ensure the stability of the workpiece in the horizontal direction.

[0026] The second driven roller support assembly 7 for the driven roller 73 includes a second support 71. The surface of the second support 71 is slidably connected to the surface of the pressing assembly 2. A second raceway base 72 is fixedly connected to the surface of the second support 71. A driven roller 73 is slidably connected to the surface of the second raceway base 72. The second driven roller support assembly 7 for the driven roller 73 is composed of the second support 71 and the second raceway base 72. The driven roller 73 is used to support the vertical movement of the workpiece to adapt to the processing of steel plates of different sizes.

[0027] Workpiece Fixing and Pressing Compression stage: Place the steel plate to be processed on the first and second supporting components of the driven roller 73. Start the clamping device 24 of the hydraulic base 22 and fix the workpiece through the first chemical anchor bolt 23. The pressing head 34 of the push rod pressing component 32 adaptively presses the surface of the steel plate under the action of the spring 37 and the guide shaft 36, and the self-lubricating flanging bushing 35 reduces friction.

[0028] Milling process Servo lifting control: According to the preset program, the servo electric cylinder drives the electric push moving plate 46 to lift along the second linear guide 45 to adjust the height of the milling cutter 41. The electric main shaft 412 drives the milling cutter 41 to rotate at high speed to mill the edge of the steel plate.

[0029] Transverse feed: The servo motor of the base component 5 drives the slide table to move horizontally through the lead screw 58 transmission system. Combined with the high-precision transmission of the planetary reducer 54, continuous feed of the milling cutter 41 along the edge of the steel plate is achieved.

[0030] Groove processing and adaptive adjustment Groove angle adjustment: Adjust the inclination angle of the electric main shaft fixed base 43 through the second servo electric cylinder 416. Combined with the replacement of the shank of the milling cutter 41, welding grooves with different slopes are processed.

[0031] Adaptive support: The first and second supporting components of the driven roller 73, namely 6 and 7, automatically adjust their positions according to the change of the steel plate size. The sliding connection between the raceway base 514 and the bracket ensures uniform force when the steel plate moves, avoiding deformation.

[0032] Automation and precision guarantee Closed-loop control: The servo motor with brake 53 and the encoder of the second linear guide 45 real-time feedback the position signal, and the control system dynamically adjusts the height and feed speed of the milling cutter 41 to ensure the machining accuracy.

[0033] Safety protection: The limit block 51 and the inclined pressure block 513 limit the stroke of the slide table, and the drag chain 512 protects the cables and air pipes to avoid interference.

[0034] Processing completion and reset After the processing is completed, the clamping device 24 and the pressing head 34 are automatically loosened, and the supporting components of the driven roller 73 are reset. The servo motor of the base 514 component 5 drives the slide table back to the initial position to prepare for the next processing.

[0035] The preferred embodiments of the present invention disclosed above are only used to help illustrate the present invention. The preferred embodiments do not describe all the details in detail, nor do they limit the invention to the specific embodiments described. Obviously, many modifications and variations can be made according to the content of this specification. These embodiments are selected and specifically described in this specification to better explain the principles and practical applications of the present invention, so that those skilled in the art can well understand and utilize the present invention. The present invention is only limited by the claims and their full scope and equivalents.

Claims

1. Vertical milling edge machine, comprising a wall panel (1), a pressing component (2), a push rod pressing component (3), a servo lifting slide table (4), a base component (5), a driven roller support component one (6) and a driven roller support component two (7), characterized in that: The surface of the wall panel (1) is provided with a pressing component (2), the surface of the wall panel (1) is provided with a push rod pressing component (3), the surface of the pressing component (2) is provided with a push rod pressing component (3), the surface of the base component (5) is provided with a servo lifting slide (4), the surface of the servo lifting slide (4) is provided with a base component (5), the surface of the pressing component (2) is provided with a driven roller support component one (6), and the surface of the pressing component (2) is provided with a driven roller support component two (7).

2. The vertical milling machine according to claim 1, wherein: The pressing component (2) includes a hydraulic base (22), the surface of the hydraulic base (22) is slidably connected to the surface of the wall panel (1), the surface of the hydraulic base (22) is provided with a support (21), the surface of the hydraulic base (22) is fixedly connected with a chemical anchor bolt one (23), and the surface of the hydraulic base (22) is provided with a clamping device (24).

3. The vertical milling machine according to claim 1, characterized in that: The push rod pressing component (3) includes a linear guide rail one (31), the linear guide rail one (31) is fixedly connected to the surface of the pressing component (2), the surface of the linear guide rail one (31) is fixedly connected with an adapter block (32), the surface of the adapter block (32) is fixedly connected with a pressure rod (33), the surface of the pressure rod (33) is fixedly connected with a pressure head (34), a self-lubricating flanged bushing (35) is sleeved on the surface of the pressure rod (33), a guide shaft (36) is provided on the surface of the pressure rod (33), a spring (37) is sleeved on the surface of the guide shaft (36), and the surface of the pressure rod (33) is fixedly connected with a floating joint (38).

4. The vertical milling machine according to claim 1, characterized in that: The servo lifting and sliding table (4) includes a sliding table support (413). The sliding table support (413) is slidably connected to the base (514) through a linear guide rail (52). A sliding table connecting seat (414) is fixedly connected to the surface of the sliding table support (413). A second linear guide rail (45) is fixedly connected to the surface of the sliding table connecting seat (414). An electric push moving plate (46) is provided on the surface of the second linear guide rail (45). The electric push moving plate (46) is provided with the second linear guide rail (45). An electric spindle fixed base mounting plate (44) is provided on the surface of the second linear guide rail (45). An electric cylinder mounting plate (49) is fixedly connected to the surface of the electric spindle fixed base mounting plate (44). A second electric cylinder support (410) is provided on the surface of the electric push moving plate (46). A first servo electric push cylinder (411) is provided on the surface of the second electric cylinder support (410). An electric spindle fixed base (43) is provided on the surface of the electric spindle fixed base mounting plate (44). An electric spindle (412) is fixedly connected to the surface of the electric spindle fixed base (43). A milling cutter handle (42) is installed on the electric spindle (412). A collet is installed in the inner hole of the milling cutter handle (42). A milling cutter (41) is installed in the collet. A joint fixing plate (47) is fixedly connected to the surface of the electric push moving plate (46). A push rod joint (48) is provided on the surface of the joint fixing plate (47). A first electric cylinder support (415) is provided on the surface of the sliding table support (413). A second servo electric push cylinder (416) is provided on the surface of the first electric cylinder support (415). A sliding table connecting seat (414) is provided on the surface of the sliding table support (413).

5. The vertical milling machine according to claim 1, characterized in that: The base assembly (5) includes a base (514). The base (514) is fixedly connected to the pressing assembly (2) through a connecting plate and an L-shaped tension bar. Limit blocks (51) are fixed to the upper and lower ends of the base (514). A linear guide rail (52) is fixedly connected to the surface of the base (514). A servo motor with a brake (53) is provided on the surface of the base (514). A planetary reducer (54) is provided on the surface of the servo motor with a brake (53). A motor seat (55) is provided on the surface of the planetary reducer (54). A first lead screw support (56) is provided on the surface of the base (514). The planetary reducer (54) is connected to a lead screw (58) through a cross coupling (57). A lead screw (58) is provided on the surface of the first lead screw support (56). A lead screw nut adapter seat (510) is provided on the surface of the lead screw (58). A second lead screw support (511) is provided on the surface of the lead screw nut adapter seat (510). A drag chain (512) is provided on the surface of the base (514). An inclined pressure block (513) is fixedly connected to the surface of the base (514).

6. The vertical milling machine according to claim 1, wherein: The driven roller support assembly one (6) includes a raceway base one (61), the surface of the raceway base one (61) is slidably connected to the surface of the pressing assembly (2), a driven wheel (63) is slidably connected to the surface of the raceway base one (61), a support one (62) is fixedly connected to the surface of the raceway base one (61), an upper connecting seat (64) is slidably connected to the surface of the pressing assembly (2), the surface of the upper connecting seat (64) is slidably connected to the raceway base one (61), a lower connecting plate (65) is fixedly connected to the surface of the pressing assembly (2), the surface of the lower connecting plate (65) is slidably connected to the surface of the support one (62), a wall plate (1) support block is provided on the surface of the support one (62), and the surface of the wall plate (1) support block is slidably connected to the surface of the pressing assembly (2).

7. The vertical milling machine according to claim 1, wherein: The driven roller (73) support assembly two (7) includes a support two (71), the surface of the support two (71) is slidably connected to the surface of the pressing assembly (2), a raceway base two (72) is fixedly connected to the surface of the support two (71), and a driven roller (73) is slidably connected to the surface of the raceway base two (72).

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