A differential indexing universal milling head with a self-lubricating device

Abstract

This utility model relates to the technical field of industrial universal milling head devices, and discloses a differential indexing universal milling head with a self-lubricating device. It includes a housing, a motor located at the top center of the housing, a compression mechanism at the motor's output end, and a fixing mechanism on the front and rear sides of the top of the housing. The compression mechanism includes a rotating shaft, the top of which is fixedly connected to the motor's output end. A pressure plate is fixedly connected to the bottom of the outer wall of the rotating shaft, and slide rails are slidably connected to the front and rear sides of the inner wall of the pressure plate. Springs are provided on the right side of the outer walls of both slide rails. In this utility model, the rotating shaft is fixedly connected to the motor's output end, driving the pressure plate to rotate, thus realizing the reciprocating motion of the pressure plate. The lubrication component on the left side of the pressure plate synchronously triggers lubrication with its movement, achieving integrated operation of differential indexing and self-lubrication, solving the problem of needing to stop the machine to adjust indexing and lubrication in the prior art.

Description

Technical Field

[0001] This utility model relates to the technical field of industrial universal milling head devices, and in particular to a differential indexing universal milling head with a self-lubricating device. Background Technology

[0002] The universal milling head is a key machine tool component in the field of machining, enabling multi-faceted and multi-angle cutting of complex workpieces. It is widely used in high-precision machining scenarios such as aerospace, precision molds, and automobile manufacturing. From a macroscopic perspective, through its rigid connection with the machine tool spindle, it can drive the tool or workpiece to achieve flexible adjustment of spatial angles. It is a core component for expanding the machining range of machine tools and ensuring the machining accuracy of complex surfaces. From a microscopic functional perspective, its core function is to convert the rotational motion of the spindle into the directional angular displacement of the tool or workpiece through a precise rotary indexing mechanism, so as to meet the differentiated requirements of different processes for machining angles.

[0003] Early universal milling heads mostly consisted of a basic rotary shaft, a manual locking mechanism, and ordinary sliding bearings. Their indexing accuracy relied on manual calibration, which was not only cumbersome and inefficient, but also led to increased friction and wear, and widened clearances, due to a lack of continuous lubrication in the sliding bearings after prolonged use. This severely affected the stability of machining accuracy. To solve these problems, existing technologies have gradually introduced automatic locking cylinders and precision gear transmission components. These hydraulically driven components achieve rapid locking after indexing, and gear meshing improves transmission accuracy. Centralized oil supply lubrication systems reduce the frequency of manual maintenance. However, existing devices still suffer from functional fragmentation. Limitations: The indexing mechanism is mostly a fixed gear meshing type or a single transmission ratio design, which cannot achieve differential indexing function with small angles. At the same time, the lubrication system and the indexing mechanism operate independently, and the indexing parameters or lubrication supply need to be manually switched or checked when the machine is stopped. Since the indexing adjustment of the existing device needs to be achieved by removing the protective cover after stopping the machine, manually adjusting the gear meshing position or replacing the transmission gear, the lubrication system also needs to be stopped to replenish lubricating oil or clean the oil circuit. As a result, it is impossible to achieve autonomous lubrication and differential indexing function simultaneously during operation. Each angle adjustment requires interruption of the processing flow, which seriously restricts the continuity of processing and production efficiency. Utility Model Content

[0004] To overcome the above shortcomings, this utility model provides a differential indexing universal milling head with a self-lubricating device, which aims to improve the problem that the existing technology cannot achieve self-lubrication and differential indexing function during operation, and that the machine must be stopped for adjustment every time it is needed.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a differential indexing universal milling head with a self-lubricating device, comprising a housing, a motor disposed at the top center of the housing, a compression mechanism disposed at the output end of the motor, and a fixing mechanism disposed at the front and rear sides of the top of the housing;

[0006] The compression mechanism includes a rotating shaft, the top end of which is fixedly connected to the output end of the motor. A pressure plate is fixedly connected to the bottom of the outer wall of the rotating shaft. A slide rail is slidably connected to the front and rear sides of the inner wall of the pressure plate. A spring is provided on the right side of the outer wall of each of the two slide rails. A pressure plate is fixedly connected to the left side of each of the two slide rails. A slider is rotatably connected to the bottom end of the rotating shaft. A column is fixedly connected to the bottom of the pressure plate. A slider is fixedly connected to the bottom of the pressure plate. A lubrication assembly is provided on the left side of the pressure plate.

[0007] As a further description of the above technical solution:

[0008] The fixing mechanism includes two slide rails, the bottoms of which are fixedly connected to the front and rear sides of the top of the outer shell, respectively. A stabilizing plate is fixedly connected to the right side of the two slide rails, and multiple locking blocks are fixedly connected to the top of the stabilizing plate. A slider is slidably connected to the outer wall of the stabilizing plate, a handle is fixedly connected to the right side of the slider, and an indicator block is fixedly connected to the top of the slider.

[0009] As a further description of the above technical solution:

[0010] The lubrication assembly includes a compression plate, the right side of which is slidably connected to the left side of the second pressure plate. A force-bearing block is fixedly connected to the left side of the compression plate, and a fixing plate is slidably connected to the left side of the force-bearing block. A transmission block is connected to the bottom of the fixing plate, and a storage box is fixedly connected to the left side of the transmission block. A funnel is connected to the top of the storage box, and a drain pipe is connected to the bottom right side of the transmission block. A spray ring is connected to the right side of the drain pipe.

[0011] As a further description of the above technical solution:

[0012] The inner wall of the outer shell is fixedly connected to the front and rear sides of the slide rail three, the bottom end of the slider one is slidably connected to the rotating disk, and the top of the rotating disk is provided with a sliding groove.

[0013] As a further description of the above technical solution:

[0014] A water tank is fixedly connected to the bottom right side of the outer casing, and a nozzle is connected to the left side of the water tank.

[0015] As a further description of the above technical solution:

[0016] The front and rear sides of the first fixing plate are threaded with screws, and the front and rear sides of the outer shell are fixedly connected with the second fixing plate.

[0017] As a further description of the above technical solution:

[0018] Both of the two fixed plates are slidably connected to baffles on the opposite side, and both baffles are fixedly connected to handrails on the opposite side.

[0019] As a further description of the above technical solution:

[0020] A clamping block is fixedly connected to the bottom of the rotating disk, and the bottom ends of slider one and slider two are also slidably connected to the inner wall of the groove.

[0021] This utility model has the following beneficial effects:

[0022] 1. In this utility model, the rotating shaft is fixedly connected to the output end of the motor, driving the pressure plate one to rotate. With the sliding buffering effect of the slide rail one and the spring, the reciprocating motion of the pressure plate two is realized. The bottom slider one of the rotating shaft is linked with the column and slider two, so that the differential indexing action is stably output. The lubrication component on the left side of the pressure plate two is triggered synchronously with its movement, realizing the integrated operation of differential indexing and self-lubrication, effectively improving the problem of needing to stop the machine to adjust the indexing and lubrication in the prior art.

[0023] 2. In this utility model, the two slide rails are fixedly connected to the top of the outer shell, providing a stable horizontal sliding foundation for the device. When the slider three slides along the stabilizing plate, it can be accurately positioned by the locking block. The handle is easy to operate and adjust. The indicator block on the top of the slider three can intuitively display the position, realizing flexible adaptation to processing materials of different sizes. It effectively improves the problem that the existing technology cannot flexibly adjust according to the material size, and enhances the equipment's versatility and ease of operation. Attached Figure Description

[0024] Figure 1 This is a perspective view of a differential indexing universal milling head with a self-lubricating device proposed in this utility model;

[0025] Figure 2 This is a front view of a differential indexing universal milling head with a self-lubricating device proposed in this utility model;

[0026] Figure 3 This is a cross-sectional view of a differential indexing universal milling head with a self-lubricating device proposed in this utility model;

[0027] Figure 4 This is a schematic diagram of a partial structure of a differential indexing universal milling head with a self-lubricating device proposed in this utility model.

[0028] Figure 5 This is a schematic diagram of the compression mechanism of a differential indexing universal milling head with a self-lubricating device proposed in this utility model;

[0029] Figure 6This is a schematic diagram of the lubrication assembly of a differential indexing universal milling head with a self-lubricating device proposed in this utility model;

[0030] Figure 7 This is a schematic diagram of the fixing mechanism of a differential indexing universal milling head with a self-lubricating device proposed in this utility model.

[0031] Legend:

[0032] 1. Outer shell; 2. Compression mechanism; 201. Rotating shaft; 202. Pressure plate one; 203. Slide rail one; 204. Spring; 205. Pressure plate two; 206. Slider one; 207. Column; 208. Slider two; 209. Lubrication assembly; 2091. Compression plate; 2092. Force-bearing block; 2093. Fixing plate one; 2094. Transmission block; 2095. Storage box; 2096. Funnel 2097. Unblocking pipe; 2098. Spray ring; 3. Fixing mechanism; 301. Slide rail two; 302. Stabilizing plate; 303. Clamping block; 304. Sliding block three; 305. Handle; 306. Indicator block; 4. Motor; 5. Slide rail three; 6. Rotary disc; 7. Slide groove; 8. Water tank; 9. Nozzle; 10. Screw; 11. Fixing plate two; 12. Baffle; 13. Handrail; 14. Clamping block. Detailed Implementation

[0033] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0034] Reference Figure 3 , Figure 4 and Figure 5 The present invention provides an embodiment of a differential indexing universal milling head with a self-lubricating device, comprising a housing 1, which provides the mounting base and protection for the entire device. A motor 4 is provided at the top center of the housing 1, which provides power output for the operation of the device. A compression mechanism 2 is provided at the output end of the motor 4, which realizes the linkage function of power transmission and lubrication triggering. A fixing mechanism 3 is provided on the front and rear sides of the top of the housing 1, which is used to realize the stable positioning and adjustment of the processed parts.

[0035] The compression mechanism 2 includes a rotating shaft 201, which plays a core role in power transmission. The top end of the rotating shaft 201 is fixedly connected to the output end of the motor 4, realizing direct power transmission. A pressure plate 202 is fixedly connected to the bottom of the outer wall of the rotating shaft 201. The pressure plate 202 is used to drive the movement of subsequent components. The inner wall of the pressure plate 202 is slidably connected to the front and rear sides of the slide rail 203, which provides guidance for the sliding of the pressure plate 202. A spring 204 is provided on the right side of the outer wall of both slide rails 203, which provides buffering and restoring force. A pressure plate 205 is fixedly connected to the left side of the two slide rails 203, which is used to trigger the movement of the lubrication assembly 209. The bottom end of the rotating shaft 201 is rotatably connected to a slider 206, which can slide along the slide groove 7 to achieve indexing adjustment. The bottom of the pressure plate 202 is fixedly connected to a column 207, which is used to push the slider 208 to move. The bottom of the pressure plate 205 is fixedly connected to a slider 208, which cooperates with the slider 1 to achieve differential motion. A lubrication component 209 is provided on the left side of the pressure plate 205 to provide continuous lubrication. The bottom of the rotating disk 6 is fixedly connected to a clamping block 14 to fix the milling head. The bottom ends of slider 106 and slider 208 are also slidably connected to the inner wall of the slide groove 7, which provides trajectory guidance for the movement of the sliders.

[0036] Specifically, the outer casing 1 provides the installation foundation and protection for the entire device. The motor 4, located at the top center, provides power output for the device's operation. The output end of the motor 4 is connected to the compression mechanism 2, which performs a linkage function for power transmission and lubrication triggering. The fixing mechanisms 3 on the front and rear sides of the top of the outer casing 1 are used to achieve stable positioning and adjustment of the processed parts. The rotating shaft 201 in the compression mechanism 2 plays a core role in power transmission; its top is fixedly connected to the output end of the motor 4 to achieve direct power transmission. The pressure plate 202 fixed to the bottom of the outer wall of the rotating shaft 201 drives the movement of subsequent parts. The slide rail 203, slidably connected to the front and rear sides of the inner wall of the pressure plate 202, provides sliding support. The spring 204 on the right side of the outer wall of slide rail 1 203 provides buffering and restoring force. The pressure plate 205 fixed on the left side of slide rail 1 203 is used to trigger the action of lubrication component 209. The slider 1 206, which is rotatably connected to the bottom of the rotating shaft 201, slides along the slide groove 7 to achieve indexing adjustment. The column 207 fixed at the bottom of pressure plate 1 202 pushes slider 2 208 to move. Slider 2 208 cooperates with slider 1 206 to achieve differential motion. The lubrication component 209 on the left side of pressure plate 2 205 provides continuous lubrication. The clamping block 14 at the bottom of the rotating disk 6 fixes the milling head. The bottom ends of slider 1 206 and slider 2 208 are slidably connected to the inner wall of slide groove 7. Slide groove 7 provides trajectory guidance for the movement of sliders.

[0037] Reference Figure 1 , Figure 2 and Figure 7 The fixing mechanism 3 includes two slide rails 301, which provide guide tracks for the horizontal sliding of the component. The bottoms of the two slide rails 301 are fixedly connected to the front and rear sides of the top of the outer shell 1, respectively, to achieve a stable connection between the slide rails 301 and the outer shell 1. A stabilizing plate 302 is fixedly connected to the right side of the two slide rails 301. The stabilizing plate 302 provides a sliding support base for the slider 304. Multiple locking blocks 303 are fixedly connected to the top of the stabilizing plate 302. The locking blocks 303 are used to achieve precise positioning of the slider 304. The slider 304 is slidably connected to the outer wall of the stabilizing plate 302. The slider 304 can drive the external device to adjust its position. A handle 305 is fixedly connected to the right side of the slider 304. The handle 305 makes it easy for the operator to manually push the slider 304. An indicator block 306 is fixedly connected to the top of the slider 304. The indicator block 306 can intuitively display the position status of the slider 304 to improve the adjustment accuracy.

[0038] Specifically, the two slide rails 301 in the fixing mechanism 3 provide guide tracks for the horizontal sliding of the component. Their bottoms are fixedly connected to the front and rear sides of the top of the outer shell 1, respectively. This fixed connection ensures a stable connection between the slide rails 301 and the outer shell 1, providing a solid installation foundation for the entire fixing mechanism 3. A stabilizing plate 302 is fixedly connected to the right side of the two slide rails 301. The stabilizing plate 302 provides a sliding support foundation for the slider 304, ensuring the stability of the slider 304 during sliding. Multiple locking blocks 303 are fixedly connected to the top of the stabilizing plate 302. The locking blocks 303 cooperate with the slider 304 to achieve precise positioning of the slider 304 and prevent the slider 304 from malfunctioning during operation. If displacement occurs during the process, a slider 304 is slidably connected to the outer wall of the stabilizing plate 302. The slider 304 can slide on the stabilizing plate 302 and drive the external device to adjust its position to meet the needs of processing materials of different sizes. A handle 305 is fixedly connected to the right side of the slider 304. The handle 305 provides a force point for the operator to manually push the slider 304 to adjust its position. An indicator block 306 is fixedly connected to the top of the slider 304. The indicator block 306 can intuitively display the position status of the slider 304 by corresponding to the position of the stabilizing plate 302 or the locking block 303, helping the operator to accurately judge the adjustment position and improve the adjustment accuracy.

[0039] Reference Figure 4 , Figure 5 and Figure 6The lubrication assembly 209 includes a compression plate 2091, which transmits the compressive force of the second pressure plate 205. The right side of the compression plate 2091 is slidably connected to the left side of the second pressure plate 205 to achieve linkage with the second pressure plate 205. A force-bearing block 2092 is fixedly connected to the left side of the compression plate 2091, which transmits the compressive force to subsequent components. A fixing plate 2093 is slidably connected to the left side of the force-bearing block 2092, which provides support for the force-bearing block 2092 and forms a sealed space. The bottom of the fixing plate 2093 is connected to... A transmission block 2094 is provided, which is used to transport lubricant. A storage box 2095 is fixedly connected to the left side of the transmission block 2094, which is used to store lubricant. A funnel 2096 is connected to the top of the storage box 2095, which facilitates the addition of lubricant to the storage box 2095. A drain pipe 2097 is connected to the bottom right side of the transmission block 2094, which guides the lubricant to the lubrication part. A spray ring 2098 is connected to the right side of the drain pipe 2097, which sprays the lubricant evenly to the target area.

[0040] Specifically, the compression plate 2091 in the lubrication assembly 209 is used to transmit the compressive force of the pressure plate 205. Its right side is slidably connected to the left side of the pressure plate 205, and the linkage action with the pressure plate 205 is realized through sliding cooperation, so that the motion energy of the pressure plate 205 is synchronously transmitted to the compression plate 2091. A force-bearing block 2092 is fixedly connected to the left side of the compression plate 2091. The force-bearing block 2092 bears the force transmitted by the compression plate 2091 and transmits the compressive force to the subsequent components. A fixing plate 2093 is slidably connected to the left side of the force-bearing block 2092. The fixing plate 2093 provides stable support for the force-bearing block 2092, and at the same time, it cooperates with the force-bearing block 2092 to form a sealed space to ensure the sealing of the lubricant transmission environment. The bottom of the fixing plate 2093 is connected to a transmission... Block 2094 serves as a channel for conveying lubricant. A storage box 2095 is fixedly connected to the left side of the transmission block 2094. The storage box 2095 stores lubricant, providing a continuous source of lubricant for the lubrication process. A funnel 2096 is connected to the top of the storage box 2095. The funnel 2096 has an enlarged opening area to facilitate the addition of lubricant to the storage box 2095. A drain pipe 2097 is connected to the bottom right side of the transmission block 2094. The drain pipe 2097 guides the lubricant from the transmission block 2094 to the lubrication area, ensuring a smooth lubricant transmission path. A spray ring 2098 is connected to the right side of the drain pipe 2097. The spray ring 2098 uses a ring structure to evenly spray the lubricant onto the target area, achieving comprehensive lubrication of the lubrication area.

[0041] Reference Figure 1 , Figure 2 and Figure 3The inner wall of the outer casing 1 is fixedly connected to slide rails 3 and 5 on both the front and rear sides. Slide rails 3 and 5 provide stable sliding guidance for related components. The bottom end of slider 1 206 is slidably connected to a rotating disk 6, which is used to drive the milling head to achieve rotational indexing. The top of the rotating disk 6 is provided with a groove 7, which provides a track for the sliding of slider 1 206 and slider 2 208. The bottom right side of the outer casing 1 is fixedly connected to a water tank 8, which is used to store rinsing water. The left side of the water tank 8 is connected to a nozzle 9, which can accurately deliver rinsing water. When sprayed into the processing area, screws 10 are threadedly connected to the front and rear sides of the fixing plate 2093. The screws 10 are used to fix the position of the fixing plate 2093. Fixing plate 21 is fixedly connected to the front and rear sides of the outer shell 1. Fixing plate 21 provides sliding support for the baffle 12. The baffle 12 is slidably connected to the side of the two fixing plates 21 that is away from each other. The baffle 12 can block the splashes generated during processing. Handrails 13 are fixedly connected to the side of the two baffles 12 that is away from each other. The handrails 13 make it easy for the operator to pull the baffle 12 to adjust its position.

[0042] Specifically, the slide rails 3 and 5 fixedly connected to the front and rear sides of the inner wall of the outer shell 1 provide stable sliding guidance for the relevant components, ensuring the stability of the components during the sliding process. The bottom end of the slider 1 206 is slidably connected to the rotary disk 6. The rotary disk 6 rotates under the drive of the slider 1 206, thereby driving the milling head to complete the rotation indexing action. The slide groove 7 opened on the top of the rotary disk 6 provides a sliding track for the slider 1 206 and the slider 2 208, so that the slider 1 206 and the slider 2 208 can slide stably along the slide groove 7, ensuring the accurate realization of the differential indexing action. The water tank 8 fixedly connected to the bottom right side of the outer shell 1 is used to store rinsing water and provide a water source for cleaning the processing area. The nozzle 9 connected to the left side of the water tank 8 accurately sprays the rinsing water in the water tank 8 onto the clamping device. In the processing area where block 14 is located, debris generated during processing is cleaned up. The screws 10 connected to the front and rear sides of the fixing plate 2093 fix the position of the fixing plate 2093 by the threaded locking action, ensuring that the fixing plate 2093 will not shift when under force. The fixing plate 11 fixedly connected to the front and rear sides of the outer shell 1 provides sliding support for the baffle 12, allowing the baffle 12 to slide stably along the fixing plate 11. The baffle 12, which is slidably connected to the two fixing plates 11 to the side away from each other, can adjust the shielding range during the sliding process, effectively blocking the splashes generated during processing. The handrail 13 fixedly connected to the two baffles 12 to the side away from each other makes it easy for the operator to apply force and pull the baffle 12 to adjust its position along the fixing plate 11, ensuring the protective effect.

[0043] Working principle: Before starting the equipment, simply install the milling head on the clamping block 14. After starting the motor 4, the power is transmitted to the slider 206 through the rotating shaft 201, causing it to slide along the slide groove 7 in a circular motion, which in turn drives the rotating disk 6 to rotate synchronously. During the indexing motion, the device synchronously triggers the self-lubricating mechanism. When the slider 206 completes one circular sliding motion, it will push the column 207 to the left, causing the slider 208 to move synchronously in the slide groove 7, causing the pressure plate 205 to produce a left-right reciprocating squeezing action. This squeezing action is transmitted to the compression plate 2091 and the force block 2092. When the force block 2092 squeezes the fixing plate 2093, the lubricant in the storage box 2095 is transported to the spray ring 2098 through the transmission block 2094 and the unblocking pipe 2097, and finally sprayed onto the friction part of the clamping block 14.

[0044] Furthermore, to meet the flexible adaptation requirements of processing materials of different sizes, pushing the handle 305 can drive the slider 304 to slide along the locking block 303 on the stabilizing plate 302. At the same time, the operator can observe the position change of the indicator block 306 to further improve the calibration accuracy. During the processing, in order to adapt to the protection requirements of different materials, pulling down the handle 13 can cause the baffle 12 to move downward along the fixed plate 11, forming a reliable protective barrier to effectively block the splashes generated during the processing of materials of different sizes. The rinsing water stored in the water tank 8 can be accurately sprayed onto the clamping block 14 through the nozzle 9 to clean the residual debris after processing materials of different sizes, ensuring that the device always maintains a stable operating state when changing processing materials, and completely solving the adaptation limitations of traditional equipment when facing size differences.

[0045] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A differential indexing universal milling head with a self-lubricating device, comprising a housing (1), characterized in that: A motor (4) is provided at the top middle of the outer shell (1), a compression mechanism (2) is provided at the output end of the motor (4), and a fixing mechanism (3) is provided on the front and rear sides of the top of the outer shell (1). The compression mechanism (2) includes a rotating shaft (201), the top end of which is fixedly connected to the output end of the motor (4). A pressure plate (202) is fixedly connected to the bottom of the outer wall of the rotating shaft (201). A slide rail (203) is slidably connected to the front and rear sides of the inner wall of the pressure plate (202). A spring (204) is provided on the right side of the outer wall of both slide rails (203). A pressure plate (205) is fixedly connected to the left side of both slide rails (203). A slider (206) is rotatably connected to the bottom end of the rotating shaft (201). A column (207) is fixedly connected to the bottom of the pressure plate (202). A slider (208) is fixedly connected to the bottom of the pressure plate (205). A lubrication component (209) is provided on the left side of the pressure plate (205).

2. A differential indexing universal milling head with a self-lubricating device according to claim 1, characterized in that: The fixing mechanism (3) includes two slide rails (301), the bottoms of which are fixedly connected to the front and rear sides of the top of the outer shell (1), respectively. A stabilizing plate (302) is fixedly connected to the right side of the two slide rails (301), and multiple locking blocks (303) are fixedly connected to the top of the stabilizing plate (302). A slider (304) is slidably connected to the outer wall of the stabilizing plate (302), and a handle (305) is fixedly connected to the right side of the slider (304). An indicator block (306) is fixedly connected to the top of the slider (304).

3. A differential indexing universal milling head with a self-lubricating device according to claim 1, characterized in that: The lubrication assembly (209) includes a compression plate (2091), the right side of which is slidably connected to the left side of the pressure plate (205), a force-bearing block (2092) is fixedly connected to the left side of the compression plate (2091), a fixing plate (2093) is slidably connected to the left side of the force-bearing block (2092), a transmission block (2094) is connected to the bottom of the fixing plate (2093), a storage box (2095) is fixedly connected to the left side of the transmission block (2094), a funnel (2096) is connected to the top of the storage box (2095), a dredging pipe (2097) is connected to the bottom right side of the transmission block (2094), and a spray ring (2098) is connected to the right side of the dredging pipe (2097).

4. A differential indexing universal milling head with a self-lubricating device according to claim 1, characterized in that: The inner wall of the outer shell (1) is fixedly connected to the front and rear sides of the slide rail three (5), the bottom end of the slider one (206) is slidably connected to the rotating disk (6), and the top of the rotating disk (6) is provided with a slide groove (7).

5. A differential indexing universal milling head with a self-lubricating device according to claim 1, characterized in that: A water tank (8) is fixedly connected to the bottom right side of the outer shell (1), and a nozzle (9) is connected to the left side of the water tank (8).

6. A differential indexing universal milling head with a self-lubricating device according to claim 3, characterized in that: The front and rear sides of the first fixing plate (2093) are threaded with screws (10), and the front and rear sides of the outer shell (1) are fixedly connected with the second fixing plate (11).

7. A differential indexing universal milling head with a self-lubricating device according to claim 6, characterized in that: Both of the two fixed plates (11) are slidably connected to baffles (12) on the opposite side, and both of the baffles (12) are fixedly connected to handrails (13) on the opposite side.

8. A differential indexing universal milling head with a self-lubricating device according to claim 4, characterized in that: The bottom of the rotating disk (6) is fixedly connected to a clamping block (14), and the bottom ends of the first slider (206) and the second slider (208) are also slidably connected to the inner wall of the groove (7).

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