High-precision machine tool spindle box
By introducing a transmission frame and a bidirectional lead screw-driven lubrication system into the spindle box, the problem of inaccurate lubrication was solved, achieving efficient and precise lubrication and reducing manpower consumption and wear.
Patent Information
- Application Number
- CN202520267707.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-19
- Publication Date
- 2025-12-12
- Estimated Expiration
- 2035-02-19
AI Technical Summary
In the prior art, the lubricating oil is not added precisely when the spindle box gears are meshing, which leads to increased wear and inconvenience in operation.
A high-precision machine tool spindle box was designed, which adopts an oil injection system driven by a transmission frame, a two-way lead screw and a servo motor. The precise position adjustment of the oil injection pipe is achieved through an adjustment mechanism, and the continuous delivery of lubricating oil is ensured by the corrugated hose.
It enables precise addition of lubricating oil, reduces labor costs, improves the accuracy and efficiency of oiling, and reduces gear wear.
Smart Images

Figure CN223656035U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to machine tool spindle box technical field, especially to a high accuracy machine tool spindle box. BACKGROUND
[0002] At present, the spindle box is the important part of machine tool, is used for arranging machine tool work spindle and its transmission spare and corresponding additional mechanism, and its main function is to support the spindle and make it rotate, realizes the function such as starting, braking, speed changing and reversing of spindle.
[0003] But, now in the use of spindle box, in the mutual meshing transmission process of multiple gear sets in its inside, in order to avoid the mutual contact of gear engagement process and produce greater wear degree, the gear tooth block between the contact will be injected with corresponding lubricating oil to reduce the friction degree, and when adding lubricating oil, the operator often holds the oil drum and pours lubricating oil between the gear blocks, and such operation mode not only needs the operator to hold and pour the oil drum for a long time, but also in the holding process for a long time, the pouring stability of oil drum is poor, which can easily lead to that the lubricating oil cannot be accurately poured to the outside of gear tooth block, affecting the subsequent transmission use. Therefore, we propose a high accuracy machine tool spindle box. CONTENT OF UTILITY MODEL
[0004] The main purpose of the utility model is to provide a high accuracy machine tool spindle box, which can effectively solve the problems in the background art.
[0005] To achieve the above purpose, the technical scheme adopted by the utility model is as follows:
[0006] A high accuracy machine tool spindle box, comprising a box body, a transmission shaft rod is rotatably installed on the side edge of the box body, a protective cover plate is detachably installed on the top of the box body through bolts;
[0007] Two support plates are vertically and slidably installed on the both ends of the top side edge of the box body, a transmission frame is rotatably installed between the side edges of the two groups of support plates, a sliding frame is slidably sleeved on the outside of the transmission frame, and a support rod is vertically and fixedly installed on the top surface of each sliding frame;
[0008] An adjusting mechanism is arranged in the transmission frame and is in transmission connection with the inside of the sliding frame;
[0009] An oil injection pipe is fixedly installed on the top surface of each support rod, a connecting elbow is fixedly and communicatively connected to the side edge of each oil injection pipe, a corrugated hose is fixedly installed at the end of each connecting elbow away from the oil injection pipe, an oil extraction pump is fixedly installed on the side edge of the box body, and the liquid outlet of the oil extraction pump is fixedly and communicatively connected to the bottom of the corrugated hose.
[0010] By adopting the technical scheme, the horizontal position of the oil injection pipe is synchronously adjusted by the adjusting mechanism, and the transmission frame is adjusted in position in front and back by the horizontal movement of the support plates, thereby the oil injection position of the oil injection pipe is adjusted in suitability, the gear set inside the box is conveniently injected with oil, and the accuracy of the oil injection position is not affected by the labor consumption required in the oil injection process.
[0011] The adjusting mechanism comprises bidirectional screws, the bidirectional screws are transversely rotatably installed inside the transmission frame through bearings, transmission sleeves are movably sleeved on the outer sides of the bidirectional screws, connecting rods are vertically fixedly installed on the outer sides of the transmission sleeves, the inner side walls of the sliding frames are fixedly connected to the sides of the connecting rods away from the transmission sleeves, a servo motor is fixedly installed inside the transmission frame, the side of the transmission shaft of the servo motor is fixedly connected to the outer top end of the bidirectional screw through a coupling, and the middle parts of the two ends of the side edges of the transmission frame are transversely provided with limiting sliding grooves, and the connecting rods are slidingly inserted into the limiting sliding grooves.
[0012] By adopting the technical scheme, the transmission sleeves are rotatably driven by the bidirectional screws, and the sliding frame and the oil injection pipe are horizontally moved by the connecting rods.
[0013] As an optional solution of the technical scheme, the bottom of each support plate is fixedly installed with a guide sliding block, the top of the box is provided with guide sliding grooves on the two sides, and the guide sliding blocks are slidingly inserted into the guide sliding grooves.
[0014] By adopting the technical scheme, the movement stability of the support plates on the top of the box is ensured by the guide sliding grooves.
[0015] As an optional solution of the technical scheme, the side edges of the transmission frame are fixedly installed with rotating rods, the rotating rods are rotatably installed inside the support plates through bearings, and the sides of the rotating rods away from the support plates are fixedly installed with hand pushing plates.
[0016] By adopting the technical scheme, the hand pushing plates and the transmission frame are rotatably connected by the rotating rods, so that when the hand pushing plates are rotated, the inclination of the transmission frame and the oil injection pipe can be adjusted, thereby ensuring that the oil discharge port of the oil injection pipe can be close to the outer side of the gear block to be lubricated.
[0017] Compared with the prior art, the utility model has the advantages of:
[0018] 1.The high-precision machine tool spindle box of the technical scheme of the present application, through the transmission frame arranged on the top of the box body, and the bidirectional screw rod arranged inside the transmission frame, under the rotary transmission action of the bidirectional screw rod on the transmission sleeve, two groups of transmission sleeves can be driven to move horizontally in the transmission frame synchronously and oppositely, and then under the connecting transmission action of the connecting rod, the sliding frame located outside the transmission frame can be driven to move horizontally synchronously, and then the oil injection pipe arranged on the surface thereof can be driven to move horizontally synchronously, and then under the movability of the supporting plate, the transmission frame can be driven to adjust the position forward and backward, and then the oil injection position of the oil injection pipe can be adjusted in suitability, so that the gear set inside the box body can be conveniently handled for oil injection, and the accuracy of the oil injection position is not affected by the human consumption required in the oil injection process.
[0019] 2.The high-precision machine tool spindle box of the technical scheme of the present application, after the corrugated hose is used to communicate between the oil injection pipe and the oil pump, under the deformation communication action of the corrugated hose itself, when the position of the oil injection pipe is adjusted, the corrugated hose can still maintain the communication and conveying treatment of the lubricating oil after being deformed by being pulled, and then it is ensured that the lubricating oil can be conveyed to different positions at the top of the box body for lubricating treatment. BRIEF DESCRIPTION OF DRAWINGS
[0020] Figure 1 It is a whole three-dimensional structure schematic view of the high-precision machine tool spindle box of the present application.
[0021] Figure 2 It is a transmission frame side view and top view sectional structure schematic view of the high-precision machine tool spindle box of the present application.
[0022] Figure 3 It is an A part enlarged structure schematic view of the high-precision machine tool spindle box of the present application.
[0023] The drawings show that the present application provides a technical scheme: a high-precision machine tool spindle box, the box body 1 side is rotatably installed with a transmission shaft rod 11, and the top of the box body 1 is detachably installed with a protective cover plate 12 through bolts. DETAILED DESCRIPTION
[0024] As Figures 1-3 shown, the present application provides a technical scheme: a high-precision machine tool spindle box, the box body 1 side is rotatably installed with a transmission shaft rod 11, and the top of the box body 1 is detachably installed with a protective cover plate 12 through bolts.
[0025] In the present technical scheme (byFigure 1 、 Figure 2 and Figure 3 The box 1 top side edge both ends are vertically slidingly installed with support plates 2, two groups of the support plates 2 side edges are rotatably installed with transmission frames 21, the transmission frame 21 is internally provided with an adjusting mechanism, and the adjusting mechanism and the sliding frame 25 inside transmission are connected, the adjusting mechanism includes a bidirectional screw rod 22, the transmission frame 21 is internally rotatably installed with a bidirectional screw rod 22 through a bearing, the outer two sides of each bidirectional screw rod 22 are movably sleeved with a transmission sleeve 23 through threads, the outer two sides of each transmission sleeve 23 are vertically fixedly installed with a connecting rod 24, and the side away from the transmission sleeve 23 of the connecting rod 24 and the inside wall of the sliding frame 25 are fixedly connected, the inside of the transmission frame 21 is fixedly installed with a servo motor 28, and the side of the transmission shaft of the servo motor 28 is fixedly connected with the outside top end of the bidirectional screw rod 22 through a shaft coupling, the middle part of the side edge both ends of each transmission frame 21 is transversely provided with a limiting sliding groove 29, and the connecting rod 24 is slidingly inserted into the limiting sliding groove 29.
[0026] In the technical solution (as shown in Figure 1 、 Figure 2 and Figure 3 ), the bottom of each support plate 2 is fixedly installed with a guide sliding block 42, and the top of the box 1 is provided with a guide sliding groove 43, and the guide sliding block 42 is slidingly inserted into the guide sliding groove 43.
[0027] In the technical solution (as shown in Figure 1 、 Figure 2 and Figure 3 ), the side edge middle end of the transmission frame 21 is fixedly installed with a rotating rod 4, and the rotating rod 4 is rotatably installed in the inside of the support plate 2 through a bearing, and the side away from the support plate 2 of the rotating rod 4 is fixedly installed with a hand push plate 41.
[0028] In some technical solutions (as shown in Figure 1 、 Figure 2 and Figure 3 ), the transmission frame 21 is slidingly sleeved with a sliding frame 25, the top surface of each sliding frame 25 is vertically fixedly installed with a support rod 26, the top surface of each support rod 26 is fixedly installed with an oil injection pipe 27, the side edge of each oil injection pipe 27 is fixedly communicated with a connecting elbow pipe 3, one end of each connecting elbow pipe 3 away from the oil injection pipe 27 is fixedly installed with a corrugated hose 31, and the side edge of the box 1 is fixedly installed with an oil pump 32, and the discharge port of the oil pump 32 and the bottom of the corrugated hose 31 are fixedly communicated.
[0029] When the gear inside the box 1 needs to be lubricated, the bolts at the top four corners of the protective cover 12 are unscrewed, and then the protective cover 12 is removed. Then the servo motor 28 is turned on through the external control switch, which drives the bidirectional screw rod 22 to rotate synchronously inside the transmission frame 21. Under the guiding and limiting action of the limiting sliding groove 29 on the connecting rod 24, and under the rotating transmission action of the bidirectional screw rod 22 on the transmission sleeve 23, the two groups of transmission sleeves 23 can be driven to move horizontally synchronously. Under the connecting and transmission action of the connecting rod 24, the sliding frame 25 on both sides of the transmission frame 21 can be driven to move horizontally synchronously. After the oil injection pipe 27 is adjusted to the outside of the gear to be lubricated, the support plate 2 is pushed to move horizontally on the top of the box 1, and then the support plate 2 and the oil injection pipe 27 can be moved to the top of the gear. Then the hand push plate 41 is twisted to drive the oil injection pipe 27 to rotate and tilt to approach the gear surface. After starting the oil pump 32 to drive it to run and transport the lubricating oil into the oil injection pipe 27, it is discharged and dripped on the outside of the gear, realizing the addition and use of the lubricating oil.
Claims
1. A high-precision machine tool spindle box, comprising a box body (1), a transmission shaft rod (11) is rotatably mounted on the side of the box body (1), characterized in that: The box (1) top is detachably mounted with protective cover plate (12) through bolt; The box (1) top side edge both ends are vertically slidingly installed with support plate (2), two groups of support plate (2) side between rotationally installed with transmission frame (21), the transmission frame (21) outside slidingly sleeved with sliding frame (25), each sliding frame (25) top surface is vertically fixedly installed with support rod (26); The transmission frame (21) is provided with an adjusting mechanism, and the adjusting mechanism and the inner side of the sliding frame (25) are in transmission connection; Each support rod (26) top surface is fixedly installed with oil injection pipe (27), and each oil injection pipe (27) side is fixedly connected with connecting elbow (3).
2. A high precision machine tool headstock according to claim 1, characterised in that: The adjusting mechanism comprises a bidirectional screw (22), the transmission frame (21) is transversely rotatably installed with a bidirectional screw (22) through a bearing, and the outer sides of each bidirectional screw (22) are movably sleeved with a transmission sleeve (23) through threads, the outer sides of each transmission sleeve (23) are vertically fixedly installed with a connecting rod (24), and the inner side wall of the sliding frame (25) is fixedly connected with the side away from the transmission sleeve (23) of the connecting rod (24).
3. The high precision machine tool headstock of claim 1, wherein: The inner side of the transmission frame (21) is fixedly installed with a servo motor (28), and the transmission shaft side of the servo motor (28) is fixedly connected with the outer top end of the bidirectional screw (22) through a shaft coupling, and the middle part of the side edge of each transmission frame (21) is transversely provided with a limiting sliding groove (29), and the connecting rod (24) is slidingly inserted into the limiting sliding groove (29).
4. The high precision machine tool headstock of claim 1, wherein: The end away from the oil injection pipe (27) of each connecting elbow (3) is fixedly installed with a corrugated hose (31), and the side edge of the box (1) is fixedly installed with an oil pump (32), and the discharge port of the oil pump (32) is fixedly connected with the bottom of the corrugated hose (31).
5. The high precision machine tool headstock of claim 1, wherein: The bottom of each support plate (2) is fixedly installed with a guide sliding block (42), and the top of the box (1) is provided with a guide sliding groove (43) on both sides, and the guide sliding block (42) is slidingly inserted into the guide sliding groove (43).
6. The high precision machine tool headstock of claim 1, wherein: The side edge of the transmission frame (21) is fixedly installed with a rotating rod (4), and the rotating rod (4) is rotatably installed in the support plate (2) through a bearing, and the side away from the support plate (2) of the rotating rod (4) is fixedly installed with a hand push plate (41).