Ball screw bearing seat of numerical control machine tool
By designing the support and connection mechanism, the problems of complex installation and maintenance difficulties of existing bearing seats are solved, and the efficient and stable fixation of the ball screw bearing seat of CNC machine tools is achieved, which improves processing accuracy and efficiency, and reduces operational difficulty and maintenance costs.
Patent Information
- Application Number
- CN202422604822.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-28
- Publication Date
- 2025-08-29
- Estimated Expiration
- 2034-10-28
AI Technical Summary
The installation and fixation of existing bearing seats is complicated, the operation is difficult, and the maintenance is complicated, especially the difficulty of replacing bearings in a narrow space, resulting in high maintenance costs and long downtime of equipment.
A CNC machine tool ball screw bearing seat including a support mechanism and a connecting mechanism is designed. Through limiting rods, limiting springs, fixing knobs, adjustment knobs, limiting sleeves and other structures, the stability and clamping force are improved, the installation and adjustment process is simplified, displacement and excessive movement are prevented, and accuracy and efficiency are ensured.
It realizes efficient and stable fixation of bearing seats, simplifies the installation and adjustment process, improves machining accuracy and efficiency, and reduces operational difficulty and maintenance costs.
Smart Images

Figure CN223277552U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of mechanical engineering, and in particular relates to a ball screw bearing seat for a numerically controlled machine tool. Background Art
[0002] As a key component in CNC machine tools and automated equipment, the background technology of ball screw bearing seats originates from the demand for high-precision and high-efficiency transmission systems. It has evolved from sliding screws to ball screws, and its development history has witnessed the continuous pursuit of precision and efficiency in the machinery manufacturing industry. Today, it is widely used in various precision positioning and speed control scenarios, such as CNC machine tools, robots, aerospace equipment, etc., providing reliable technical support for the precision and automation of modern manufacturing.
[0003] Existing bearing seats are relatively cumbersome to install and fix, requiring precise alignment and torque control, and are difficult to operate. This not only increases installation time but also increases the possibility of errors. At the same time, bearing seat maintenance is also complicated, especially inside equipment with limited space. Replacing bearings becomes extremely difficult, resulting in increased maintenance costs and extended equipment downtime. Therefore, a CNC machine tool ball screw bearing seat has emerged. Utility Model Content
[0004] The purpose of the utility model is to provide a ball screw bearing seat for a CNC machine tool, aiming to solve the problems raised in the above background technology.
[0005] To achieve the above objectives, the present invention provides the following technical solutions:
[0006] A ball screw bearing seat for a numerically controlled machine tool, comprising:
[0007] A supporting mechanism, the supporting mechanism comprising a clamping plate, the bottom of which is fixedly mounted with latching teeth;
[0008] The connecting mechanism includes a fixing plate, and a shell is fixedly mounted on the side wall of the fixing plate.
[0009] As a preferred solution of the present invention, the support mechanism further includes a limit rod mounted on the side wall of the splint, a limit spring is fixedly mounted on the other side of the limit rod, and a connecting plate is fixedly mounted on the other end of the limit spring.
[0010] As a preferred solution of the present invention, a support plate is sleeved on the outer side wall of the connecting plate, and a first screw rod is connected to the middle portion of the support plate through a thread.
[0011] As a preferred solution of the present invention, a fixing knob is fixedly installed on the top of the first screw rod, a top block is fixedly installed on the bottom of the first screw rod, and a limiting sleeve is fixedly installed on the top of the support plate.
[0012] As a preferred solution of the present invention, a bottom plate is fixedly mounted on the top of the limiting sleeve, a second screw rod is sleeved on the inner wall of the bottom plate, and an adjusting knob is fixedly mounted on the top of the second screw rod.
[0013] As a preferred solution of the present invention, the connecting mechanism further comprises a limiting column fixedly mounted on the bottom of the fixed plate, a limiting cylinder is sleeved on the outer side wall of the limiting column, and a top spring is fixedly mounted on the bottom of the limiting column.
[0014] As a preferred solution of the present invention, the connecting mechanism also includes a mounting head fixedly mounted on the side wall of the shell, an internal thread is provided on the inner wall of the mounting head, an outer ring is fixedly mounted on the side wall of the mounting head, a ball is movably mounted on the inner wall of the outer ring, and the outer surface of the ball is movably connected to the inner ring.
[0015] Compared with the existing technology, the beneficial effects of the utility model are: through the synergistic effect of the supporting mechanism and the connecting mechanism, the overall stability and clamping force of the bearing seat are improved, and the accuracy during the processing is ensured; the design of the limit rod and the limit spring enhances the fixation of the splint and prevents displacement during the processing; the setting of the fixing knob and the adjustment knob makes the adjustment of the base plate height more convenient to adapt to different processing requirements; the dual limit design of the limit sleeve and the limit cylinder effectively prevents excessive lifting and lateral movement, and ensures processing safety; the ball and ring structure connected by the internal thread enables the shell to rotate flexibly and maintain precision, thereby improving the processing efficiency and accuracy of the machine tool. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without inventive work. Among them:
[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0018] Figure 2 This is an overall schematic diagram of the support mechanism of the present utility model;
[0019] Figure 3 This is an overall schematic diagram of the connection mechanism of the present utility model;
[0020] Figure 4 It is a cross-sectional schematic diagram of the connection mechanism of the present invention.
[0021] In the figure: 100, supporting mechanism; 101, splint; 102, latch; 103, limiting rod; 104, limiting spring; 105, connecting plate; 106, top block; 107, first screw rod; 108, fixing knob; 109, bottom plate; 110, limiting sleeve; 111, second screw rod; 112, adjusting knob; 113, supporting plate; 200, connecting mechanism; 201, housing; 202, fixing plate; 203, limiting column; 204, limiting cylinder; 205, top spring; 206, connecting head; 207, ball; 208, inner ring; 209, inner thread; 210, outer ring. DETAILED DESCRIPTION
[0022] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below with reference to the accompanying drawings.
[0023] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.
[0024] Secondly, the term "one embodiment" or "embodiment" herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in various places throughout this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments.
[0025] Example 1
[0026] Reference Figures 1 to 4 , is the first embodiment of the utility model, which provides a CNC machine tool ball screw bearing seat, including,
[0027] The support mechanism 100 includes a clamping plate 101 , and a latch 102 is fixedly mounted on the bottom of the clamping plate 101 ;
[0028] The connecting mechanism 200 includes a fixing plate 202 , on the side wall of which a housing 201 is fixedly mounted.
[0029] Specifically, the support mechanism 100 further includes a limiting rod 103 mounted on the side wall of the clamping plate 101 , a limiting spring 104 is fixedly mounted on the other side of the limiting rod 103 , and a connecting plate 105 is fixedly mounted on the other end of the limiting spring 104 .
[0030] Furthermore, a support plate 113 is sleeved on the outer wall of the connecting plate 105, and the middle part of the support plate 113 is connected to the first screw rod 107 through a thread, the top of the first screw rod 107 is fixedly installed with a fixing knob 108, the bottom of the first screw rod 107 is fixedly installed with a top block 106, and the top of the support plate 113 is fixedly installed with a limiting sleeve 110.
[0031] Preferably, a bottom plate 109 is fixedly mounted on the top of the limiting sleeve 110 , a second screw rod 111 is sleeved on the inner wall of the bottom plate 109 , and an adjusting knob 112 is fixedly mounted on the top of the second screw rod 111 .
[0032] It should be noted that the connecting mechanism 200 also includes a limiting column 203 fixedly installed on the bottom of the fixed plate 202, a limiting cylinder 204 is sleeved on the outer wall of the limiting column 203, and a top spring 205 is fixedly installed on the bottom of the limiting column 203. The connecting mechanism 200 also includes a mounting head fixedly installed on the side wall of the shell 201, an internal thread 209 is provided on the inner wall of the mounting head, an outer ring 210 is fixedly installed on the side wall of the mounting head, a ball 207 is movably installed on the inner wall of the outer ring 210, and the outer surface of the ball 207 is movably connected to the inner ring 208.
[0033] When in use, the splint 101 is installed on the machine tool, the limit spring 104 and the limit rod 103 cooperate to tighten the splint 101, the splint 101 cooperates with the clamping teeth to clamp the mounting frame, and the fixing knob 108 is turned to drive the first screw rod 107 to rotate. The top block 106 on the first screw rod 107 supports the mounting frame to fix the support mechanism 100. By turning the adjusting knob 112, the height of the base plate 109 can be adjusted, and the limit sleeve 110 limits the base plate 109. The connecting head 206 can be connected to the bearing through the internal thread 209. The inner ring 208 cooperates with the ball 207 to rotate. The limit column 203 cooperates with the limit column 203 to allow the shell 201 to move slightly, and the limit cylinder 204 limits the limit column 203.
[0034] In summary, efficient and stable workpiece fixation and adjustment are achieved, the reliability and stability of clamping are improved, the precise positioning of the mounting frame is ensured, and displacement during processing is avoided; the height of the base plate 109 can be easily adjusted by adjusting the knob 112, which meets the requirements of different processing depths and improves processing flexibility; the design of the limiting sleeve 110 effectively prevents excessive lifting and lowering of the base plate 109, thereby ensuring equipment safety; the design of the internal thread 209 connecting the bearing simplifies the assembly process and improves the firmness of the connection; the cooperation of the ball 207 and the inner ring 208 realizes the flexible rotation of the shell 201, and the setting of the limiting column 203 and the limiting cylinder 204 allows the shell 201 to move slightly, thereby increasing the durability of the device.
[0035] It is important to note that the construction and arrangement of the present application shown in a number of different exemplary embodiments are merely illustrative. Although only a few embodiments are described in detail in this disclosure, it should be readily understood by those who refer to this disclosure that many modifications are possible (e.g., the size, scale, structure, shape and proportion of various elements, and parameter values (e.g., temperature, pressure, etc.), mounting arrangements, use of materials, colors, directional changes, etc.) without departing substantially from the novel teachings and advantages of the subject matter described in this application. For example, an element shown as integrally formed may be composed of multiple parts or elements, the position of the element may be inverted or otherwise changed, and the nature or number or position of the discrete elements may be altered or changed. Therefore, all such modifications are intended to be included within the scope of the present invention. The order or sequence of any process or method steps may be changed or reordered according to alternative embodiments. In the claims, any "means plus function" clause is intended to cover the structure of performing the function described herein, and is not only structurally equivalent but also an equivalent structure. Without departing from the scope of the present invention, other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments. Therefore, the present invention is not limited to the specific embodiments, but extends to various modifications that still fall within the scope of the appended claims.
[0036] Additionally, in order to provide a concise description of example embodiments, all features of an actual embodiment (ie, those features that are not relevant to the best mode presently contemplated for carrying out the invention or those that are not relevant to implementing the invention) may not be described.
[0037] It will be appreciated that in the development of any actual embodiment, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort may be complex and time-consuming, but will, for those of ordinary skill having the benefit of this disclosure, be a routine undertaking of design, fabrication, and production without undue experimentation.
[0038] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, and all of these should be included in the scope of the claims of the present invention.
Claims
1. A ball screw bearing seat for a CNC machine tool, characterized by: include, A support mechanism (100), the support mechanism (100) comprising a clamping plate (101), a bottom of the clamping plate (101) being fixedly mounted with a latching tooth (102); A connecting mechanism (200) includes a fixing plate (202), and a housing (201) is fixedly mounted on a side wall of the fixing plate (202).
2. The ball screw bearing seat for a CNC machine tool according to claim 1, characterized in that: The support mechanism (100) further comprises a limiting rod (103) mounted on the side wall of the clamping plate (101), a limiting spring (104) being fixedly mounted on the other side of the limiting rod (103), and a connecting plate (105) being fixedly mounted on the other end of the limiting spring (104).
3. The ball screw bearing seat for a CNC machine tool according to claim 2, characterized in that: A support plate (113) is sleeved on the outer side wall of the connecting plate (105), and a first screw rod (107) is connected to the middle portion of the support plate (113) via a thread.
4. The ball screw bearing seat for a CNC machine tool according to claim 3, characterized in that: A fixing knob (108) is fixedly mounted on the top of the first screw rod (107), a top block (106) is fixedly mounted on the bottom of the first screw rod (107), and a limiting sleeve (110) is fixedly mounted on the top of the support plate (113).
5. The ball screw bearing seat for a CNC machine tool according to claim 4, characterized in that: A bottom plate (109) is fixedly mounted on the top of the limiting sleeve (110), a second screw rod (111) is sleeved on the inner wall of the bottom plate (109), and an adjusting knob (112) is fixedly mounted on the top of the second screw rod (111).
6. The ball screw bearing seat for a CNC machine tool according to claim 5, characterized in that: The connecting mechanism (200) further comprises a limiting column (203) fixedly mounted on the bottom of the fixing plate (202), a limiting cylinder (204) being sleeved on the outer side wall of the limiting column (203), and a top spring (205) being fixedly mounted on the bottom of the limiting column (203).
7. The ball screw bearing seat for a CNC machine tool according to claim 6, characterized in that: The connecting mechanism (200) further comprises a mounting head fixedly mounted on the side wall of the housing (201), an inner thread (209) being provided on the inner wall of the mounting head, an outer collar (210) being fixedly mounted on the side wall of the mounting head, a ball (207) being movably mounted on the inner wall of the outer collar (210), and an inner collar (208) being movably connected to the outer surface of the ball (207).