Double-spindle machining lathe
Patent Information
- Application Number
- CN202422611649.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-28
- Publication Date
- 2025-09-23
- Estimated Expiration
- 2034-10-28
Smart Images

Figure CN223368218U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of processing equipment and relates to a double-spindle processing lathe. Background Art
[0002] CNC lathes and turning centers are high-precision, high-efficiency automated machine tools capable of machining complex workpieces such as straight and oblique cylinders, circular arcs, and various threads, grooves, and worms. They feature linear and circular interpolation compensation capabilities and offer excellent economic benefits in the mass production of complex parts. Existing CNC lathes typically feature only a single machining system, a single spindle, and a single tool, meaning they can only machine one end face of a workpiece at a time. When shafts are too long and rotate rapidly, eccentricity can affect machining accuracy, leading to deviations in the workpiece and resulting in scrap, thus failing to meet machining requirements. Summary of the Invention
[0003] The purpose of the utility model is to provide a machining lathe that improves machining accuracy and solves the above problems in the prior art.
[0004] The purpose of the utility model can be achieved through the following technical solutions: A dual-spindle processing lathe, comprising a lathe body, a clamping unit arranged on the lathe body and used to clamp the workpiece, and a processing table arranged on the lathe body and connected thereto, characterized in that the number of the clamping units is two and they are coaxially arranged, the lathe body is provided with a synchronous processing unit connected thereto and used for the two clamping units to work synchronously, and the lathe body is provided with an adjustment unit connected thereto and used to adjust the position of the corresponding clamping unit.
[0005] In the above-mentioned dual-spindle machining lathe, the clamping units are composed of a clamping seat, a rotating sleeve arranged on the clamping seat and rotatingly matched with the clamping seat, and a clamping disk arranged on the rotating sleeve and connected to the rotating sleeve. The two clamping units are respectively a main clamping unit and a secondary clamping unit.
[0006] In the above-mentioned dual-spindle machining lathe, the clamping seat in the main clamping unit is arranged on the lathe body and connected thereto.
[0007] In the above-mentioned dual-spindle machining lathe, the clamping seat in the auxiliary clamping unit is arranged on the lathe body and connected to it through a slide rail unit. The slide rail unit consists of two slide rails arranged on the lathe body and connected to it, and several sliders arranged on the slide rails and connected to the above-mentioned clamping seat.
[0008] In the above-mentioned dual-spindle machining lathe, the synchronous machining unit is composed of a synchronous motor and a spindle. The synchronous motor is arranged on the lathe body and connected thereto. The spindle is arranged inside the lathe body and movably connected thereto through a bearing seat. One end of the spindle extends out of the lathe body, and the end of the spindle extending out of the lathe body is connected to the synchronous motor through a synchronous belt unit. The rotating sleeve in the above-mentioned main clamping unit is also connected to the end of the spindle extending out of the lathe body through a synchronous belt unit. The rotating sleeve in the above-mentioned auxiliary clamping unit is also connected to the spindle through a synchronous belt unit.
[0009] In the above-mentioned dual-spindle machining lathe, the synchronous belt unit is composed of a pulley and two pulleys.
[0010] In the above-mentioned dual-spindle machining lathe, the adjustment unit is composed of an outer adjustment seat, an inner adjustment seat, a linear tooth, two movable teeth and an adjustment wheel. The outer adjustment seat is arranged on the lathe body and connected thereto, and the inner adjustment seat is arranged in the clamping seat in the auxiliary clamping unit and connected thereto. One end of the linear tooth is connected to the outer adjustment seat, and the other end of the linear tooth is connected to the inner adjustment seat, and the linear tooth passes through the above-mentioned clamping seat through the inner adjustment seat and extends out of the above-mentioned clamping seat. The two movable teeth are both arranged on the inner adjustment seat, and are arranged in an upper and lower structure, and are meshed with each other. The movable tooth at the upper end is meshed with the linear tooth, and the adjusting wheel is arranged on the clamping seat in the auxiliary clamping unit and is connected to the movable tooth at the lower end.
[0011] In the above-mentioned dual-spindle machining lathe, the lathe body can also be provided with an adjustment unit connected to it and used to adjust the position of the machining table. The adjustment unit consists of an outer adjustment seat, an inner adjustment seat, linear teeth, movable teeth and an adjustment wheel. The outer adjustment seat is arranged on the machining table and connected to it, and the inner adjustment seat is arranged on the clamping seat in the main clamping unit and connected to it. One end of the linear tooth is connected to the outer adjustment seat, and the other end of the linear tooth is connected to the inner adjustment seat, and the linear tooth is extended into the above-mentioned clamping seat through the inner adjustment seat. The movable tooth is arranged on the inner adjustment seat and connected to it, and meshes with the linear teeth. The adjusting wheel is arranged on the inner adjustment seat and connected to it, and is also connected to the movable teeth.
[0012] Compared with the prior art, this dual-spindle machining lathe has the advantage of high machining precision. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 It is a schematic diagram of the three-dimensional structure of this dual-spindle machining lathe.
[0014] Figure 2 This is a schematic diagram of the cross-sectional structure of this dual-spindle machining lathe.
[0015] In the figure, 1. Lathe body; 2. Processing table; 3. Clamping seat; 4. Rotating sleeve; 5. Clamping plate; 6. Slide rail unit; 7. Synchronous motor; 8. Spindle; 9. Synchronous belt unit; 10. External adjustment seat; 11. Internal adjustment seat; 12. Linear gear; 13. Movable gear; 14. Adjusting wheel. DETAILED DESCRIPTION
[0016] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
[0017] like Figure 1 、 Figure 2As shown, the dual-spindle machining lathe comprises a lathe body 1, a clamping unit arranged on the lathe body 1 and used to clamp the workpiece, and a machining table 2 arranged on the lathe body 1 and connected thereto. The number of the clamping units is two and they are coaxially arranged. The lathe body 1 is provided with a synchronous machining unit connected thereto and used for the two clamping units to work synchronously. The lathe body 1 is provided with an adjustment unit connected thereto and used for adjusting the position of the corresponding clamping unit. The clamping units are composed of a clamping seat 3, a rotating sleeve 4 arranged on the clamping seat 3 and rotatably matched therewith, and a clamping disk 5 arranged on the rotating sleeve 4 and connected thereto. The two clamping units are respectively a main clamping unit and an auxiliary clamping unit. The above-mentioned main clamping unit and auxiliary clamping unit can also be changed into a dual clamping unit. The shaft processing structure requires two processing tables 2. The clamping seat 3 in the main clamping unit is arranged on the lathe body 1 and connected thereto. The clamping seat 3 in the auxiliary clamping unit is arranged on the lathe body 1 and connected thereto through a slide rail unit 6. The slide rail unit 6 is composed of two slide rails arranged on the lathe body 1 and connected thereto and a plurality of sliders arranged on the slide rails and connected to the above-mentioned clamping seat 3. The synchronous processing unit is composed of a synchronous motor 7 and a spindle 8. The synchronous motor 7 is arranged on the lathe body 1 and connected thereto. The spindle 8 is arranged in the lathe body 1 and is movably connected thereto through a bearing seat. One end of the spindle 8 extends out of the lathe body 1, and the end of the spindle 8 extending out of the lathe body 1 is connected to the synchronous belt unit 9. The motor 7 is connected, and the rotating sleeve 4 in the above-mentioned main clamping unit is also connected to the end of the main shaft 8 extending out of the lathe body 1 through the synchronous belt unit 9. The rotating sleeve 4 in the above-mentioned auxiliary clamping unit is also connected to the main shaft 8 through the synchronous belt unit 9. The lathe body 1 is provided with an open groove for facilitating the assembly and adjustment of the synchronous belt unit 9. The synchronous belt unit 9 consists of a pulley and two pulleys. The adjustment unit is arranged at the auxiliary clamping unit. The adjustment unit consists of an outer adjustment seat 10, an inner adjustment seat 11, a linear tooth 12, two movable teeth 13 and an adjusting wheel 14. The outer adjustment seat 10 is arranged on the lathe body 1 and connected thereto, and the inner adjustment seat 11 is arranged in the clamping seat 3 in the auxiliary clamping unit and connected thereto. One end of the linear tooth 12 is connected to the outer adjustment seat 10 is connected, the other end of the linear tooth 12 is connected to the inner adjusting seat 11, and the linear tooth 12 passes through the above-mentioned clamping seat 3 through the inner adjusting seat 11 and extends out of the above-mentioned clamping seat 3. For this reason, the clamping seat 3 is provided with a tooth hole for the linear tooth 12 to pass through and assemble. The two movable teeth 13 are both arranged on the inner adjusting seat 11, and are arranged in an upper and lower structure and meshed with each other. The movable tooth 13 located at the upper end of the inner adjusting seat 11 is meshed with the linear tooth 12. The adjusting wheel 14 is arranged on the clamping seat 3 in the auxiliary clamping unit and is connected to the movable tooth 13 at the lower end of the inner adjusting seat 11. The adjusting wheel 14 can be composed of a handwheel and a connecting rod. The lathe body 1 can also be provided with an adjustment unit connected thereto and capable of adjusting the position of the processing table 2.The adjustment unit consists of an outer adjustment seat 10, an inner adjustment seat 11, a linear tooth 12, a movable tooth 13, and an adjustment wheel 14. The outer adjustment seat 10 is arranged on the processing table 2 and connected thereto. The inner adjustment seat 11 is arranged on the clamping seat 3 in the main clamping unit and connected thereto. One end of the linear tooth 12 is connected to the outer adjustment seat 10, and the other end of the linear tooth 12 is connected to the inner adjustment seat 11. The linear tooth 12 extends through the clamping seat 3 through the inner adjustment seat 11. The movable tooth 13 is arranged on the inner adjustment seat 11 and connected thereto, and meshes with the linear tooth 12. The adjustment wheel 14 is arranged on the inner adjustment seat and connected thereto, and is also connected to the movable tooth 13.
[0018] The specific embodiments described herein are merely illustrative of the spirit of the present invention. Persons skilled in the art may make various modifications, additions, or substitutions to the described specific embodiments without departing from the spirit of the present invention or exceeding the scope defined by the appended claims.
[0019] Although the term "etc." is frequently used in this document, the possibility of using other terms is not excluded. These terms are used only to more conveniently describe and explain the essence of the present invention; interpreting them as any additional restriction is contrary to the spirit of the present invention.
Claims
1. A dual-spindle machining lathe, comprising a lathe body (1), a clamping unit arranged on the lathe body (1) and used to clamp a workpiece, and a machining table (2) arranged on the lathe body (1) and connected thereto, characterized in that: The number of the clamping units is two and they are coaxially arranged. The lathe body (1) is provided with a synchronous processing unit connected thereto and used for the two clamping units to work synchronously. The lathe body (1) is provided with an adjustment unit connected thereto and used for adjusting the position of the corresponding clamping unit.
2. A dual-spindle machining lathe according to claim 1, characterized in that: The clamping units are composed of a clamping seat (3), a rotating sleeve arranged on the clamping seat (3) and rotatably matched therewith, and a clamping disc arranged on the rotating sleeve and connected thereto. The two clamping units are respectively a main clamping unit and a secondary clamping unit.
3. A dual-spindle machining lathe according to claim 2, characterized in that: The clamping seat (3) in the main clamping unit is arranged on the lathe body (1) and connected thereto.
4. A dual-spindle machining lathe according to claim 3, characterized in that: The clamping seat (3) in the auxiliary clamping unit is arranged on the lathe body (1) and connected to it through a slide rail unit. The slide rail unit is composed of two slide rails arranged on the lathe body (1) and connected to it, and a plurality of sliders arranged on the slide rails and connected to the clamping seat (3).
5. A dual-spindle machining lathe according to claim 4, characterized in that: The synchronous machining unit is composed of a synchronous motor and a spindle, wherein the synchronous motor is arranged on the lathe body (1) and is connected thereto, and the spindle is arranged in the lathe body (1) and is movably connected thereto through a bearing seat, one end of the spindle extends out of the lathe body (1), and the end of the spindle extending out of the lathe body (1) is connected to the synchronous motor through a synchronous belt unit, the rotating sleeve in the main clamping unit is also connected to the end of the spindle extending out of the lathe body (1) through the synchronous belt unit, and the rotating sleeve in the auxiliary clamping unit is also connected to the spindle through the synchronous belt unit.
6. A dual-spindle machining lathe according to claim 5, characterized in that: The synchronous belt unit consists of a pulley and two pulleys.
7. The dual-spindle machining lathe according to claim 1, characterized in that: The adjustment unit is composed of an outer adjustment seat, an inner adjustment seat, a linear tooth, two movable teeth and an adjustment wheel. The outer adjustment seat is arranged on the lathe body (1) and connected thereto, and the inner adjustment seat is arranged in the clamping seat (3) in the auxiliary clamping unit and connected thereto. One end of the linear tooth is connected to the outer adjustment seat, and the other end of the linear tooth is connected to the inner adjustment seat, and the linear tooth passes through the clamping seat (3) through the inner adjustment seat and extends out of the clamping seat (3). The two movable teeth are both arranged on the inner adjustment seat and are arranged in an upper and lower structure and meshed with each other. The movable tooth at the upper end is meshed with the linear tooth. The adjustment wheel is arranged on the clamping seat (3) in the auxiliary clamping unit and connected to the movable tooth at the lower end.
8. The dual-spindle machining lathe according to claim 1, characterized in that: The lathe body (1) can also be provided with an adjustment unit connected thereto and capable of adjusting the position of the processing table (2), the adjustment unit consisting of an outer adjustment seat, an inner adjustment seat, linear teeth, movable teeth and an adjustment wheel, the outer adjustment seat being provided on the processing table (2) and connected thereto, the inner adjustment seat being provided on the clamping seat (3) in the main clamping unit and connected thereto, one end of the linear teeth being connected to the outer adjustment seat, the other end of the linear teeth being connected to the inner adjustment seat, and the linear teeth being extended into the clamping seat (3) through the inner adjustment seat, the movable teeth being provided on the inner adjustment seat and connected thereto, and meshing with the linear teeth, the adjustment wheel being provided on the inner adjustment seat and connected thereto, and also connected to the movable teeth.