Pneumatic quick-change type device for tailstock of machine tool
Through the machine tool tail seat pneumatic quick change device, the pneumatic piston and ball frame structure can be used to achieve rapid replacement of the tail seat cutting head, solving the time-consuming and cumbersome problem of traditional tail seat replacement, improving the replacement efficiency and reducing labor intensity.
Patent Information
- Application Number
- CN202422476918.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-14
- Publication Date
- 2025-08-08
- Estimated Expiration
- 2034-10-14
AI Technical Summary
The process of replacing tailstocks of traditional machine tools is time-consuming and cumbersome, with high labor intensity and low work efficiency.
A pneumatic quick change device for tailstock of the machine tool is designed to achieve rapid replacement of the tailstock cutter head using the pneumatic piston and ball frame structure. The piston is driven to slide and drive the ball frame to move in the trapezoidal groove through the gas injected gas pipe, and the ball achieves rapid positioning and locking.
It realizes rapid replacement of the tail seat cutting head, improves replacement efficiency, reduces labor intensity, reasonable structural design and simple operation.
Smart Images

Figure CN223198080U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of mechanical processing industry, in particular to a pneumatic quick-change device for a machine tool tailstock. Background Art
[0002] The tailstock is a crucial component of machine tools, primarily used to support and position the workpiece, ensuring stability and precision during machining. As modern manufacturing continues to demand higher efficiency and precision, the design and replacement methods of tailstocks have also evolved.
[0003] During traditional machine tool tailstock replacement, operators may need to manually dismantle the connection between the tailstock and the machine tool, which often involves removing and installing multiple bolts. This traditional tailstock replacement method is often time-consuming and cumbersome, labor-intensive, and inefficient. Therefore, the present invention provides a pneumatic quick-change device for machine tool tailstocks to address the problems raised in the above-mentioned background technology. Utility Model Content
[0004] The purpose of the utility model is to provide a pneumatic quick-change device for the tailstock of a machine tool, which allows the user to quickly replace the tailstock tool head with simple operations. The device has a reasonable structural design and is easy to operate, which can effectively improve the efficiency of replacing the tailstock of the machine tool and effectively reduce labor intensity.
[0005] In order to achieve the above-mentioned purpose, a pneumatic quick-change device for the tailstock of a machine tool is provided, comprising a cylinder body, an end cover is installed at the front end of the cylinder body, a trapezoidal groove with a trapezoidal cross-section is opened inside the end cover, a tailstock is installed at the rear end of the cylinder body, the interior of the cylinder body is set as a hollow structure and is slidably connected to the piston, a ball rack with a trapezoidal cross-section is installed on the side of the piston close to the end cover, the ball rack is movable inside the trapezoidal groove, a plurality of balls are evenly embedded inside the ball rack, a sealing cover is also installed on the side of the cylinder body close to the tailstock, and two air pipes are installed on the top side of the cylinder body on both sides of the piston.
[0006] According to the pneumatic quick-change device for the tailstock of a machine tool, a sealing ring is embedded in the outer surface of the piston, and a sealing ring is also embedded in the outer surface of the sealing cover.
[0007] According to the pneumatic quick-change device for the tailstock of a machine tool, the end cover and the tailstock are both connected to the cylinder body by bolts.
[0008] According to the pneumatic quick-change device for the tailstock of a machine tool, the ball and the ball holder are both made of steel.
[0009] According to the pneumatic quick-change device for the tailstock of a machine tool, the sealing rings are all made of rubber.
[0010] The utility model has the following beneficial effects:
[0011] Compared with the existing technology, this pneumatic quick-change device for the machine tool tailstock allows users to quickly replace the tailstock tool head with simple operations. It has a reasonable structural design and is easy to operate. It can effectively improve the efficiency of machine tool tailstock replacement and effectively reduce labor intensity.
[0012] Additional aspects and advantages of the present invention will be given in part in the following description and will become apparent from the following description or learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] The present invention will be further described below with reference to the accompanying drawings and embodiments;
[0014] Figure 1 This is a schematic diagram of the main cross-sectional structure of a pneumatic quick-change device for a machine tool tailstock according to the present invention;
[0015] Figure 2 This is a top-view cross-sectional structural diagram of a pneumatic quick-change device for a machine tool tailstock according to the present invention;
[0016] Figure 3 The utility model is a schematic diagram of the top view of the pneumatic quick-change device for the tailstock of a machine tool.
[0017] Legend:
[0018] 1. Cylinder body; 2. End cover; 3. Ball rack; 4. Ball; 5. Air pipe; 6. Piston; 7. Sealing ring; 8. Sealing cover; 9. Tailstock; 10. Trapezoidal groove. DETAILED DESCRIPTION
[0019] This section will describe in detail the specific embodiments of the present invention. The preferred embodiments of the present invention are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and overall technical solution of the present invention, but it cannot be understood as a limitation on the scope of protection of the present invention.
[0020] Reference Figure 1-3 The embodiment of the present invention is a pneumatic quick-change device for the tailstock of a machine tool, which includes a cylinder body 1, an end cover 2 is installed at the front end of the cylinder body 1, a trapezoidal groove 10 with a trapezoidal cross section is opened inside the end cover 2, a tailstock 9 is installed at the rear end of the cylinder body 1, the interior of the cylinder body 1 is set as a hollow structure and is slidably connected to the piston 6, and a ball rack 3 with a trapezoidal cross section is installed on the side of the piston 6 close to the end cover 2. The ball rack 3 moves inside the trapezoidal groove 10, and a plurality of balls 4 are evenly embedded in the ball rack 3. The balls 4 and the ball rack 3 are made of steel, which enhances the durability and load-bearing capacity of the device. A sealing cover 8 is also installed on the side inside the cylinder body 1 close to the tailstock 9, and two air pipes 5 located on both sides of the piston 6 are installed on the top side of the cylinder body 1.
[0021] Insert the tailstock cutter head to be replaced into the trapezoidal groove 10 inside the end cover 2, inject gas into the cylinder 1 through the air pipe 5, and the piston 6 slides under the action of the gas pressure, driving the ball rack 3 to move in the trapezoidal groove 10. The multiple balls 4 inside the ball rack 3 realize the rapid positioning and locking of the tailstock cutter head during the movement process. The user only needs to perform simple operations to complete the rapid replacement of the tailstock cutter head. The reasonable structural design and simple operation can effectively improve the efficiency of the machine tool tailstock replacement and effectively reduce the labor intensity.
[0022] In order to ensure air tightness, a sealing ring 7 is embedded in the outer surface of the piston 6, and a sealing ring 7 is also embedded in the outer surface of the sealing cover 8. The sealing rings 7 are both made of rubber material to provide good sealing performance.
[0023] The end cover 2 and the tailstock 9 are connected to the cylinder body 1 by bolts, which facilitates the disassembly and assembly of the end cover 2 and the tailstock 9 and the cylinder body 1.
[0024] Working Principle: Insert the tailstock cutter head to be replaced into the trapezoidal groove 10 inside the end cover 2. Gas is injected into the cylinder 1 through the air pipe 5. The piston 6 slides under the action of the gas pressure, driving the ball rack 3 to move within the trapezoidal groove 10. The multiple balls 4 inside the ball rack 3 enable rapid positioning and locking of the tailstock cutter head during movement. Users can quickly replace the tailstock cutter head with simple operations. The rational structural design and simple operation effectively improve the efficiency of machine tool tailstock replacement and effectively reduce labor intensity.
[0025] The embodiments of the present invention are described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Various changes can be made within the scope of knowledge possessed by ordinary technicians in the technical field without departing from the purpose of the present invention.
Claims
1. A pneumatic quick-change device for a machine tool tailstock, characterized in that: The invention comprises a cylinder body (1), wherein an end cover (2) is installed at the front end of the cylinder body (1), a trapezoidal groove (10) with a trapezoidal cross section is provided inside the end cover (2), a tail seat (9) is installed at the rear end of the cylinder body (1), the interior of the cylinder body (1) is set as a hollow structure and is slidably connected to a piston (6), a ball rack (3) with a trapezoidal cross section is installed on the side of the piston (6) close to the end cover (2), the ball rack (3) is movable inside the trapezoidal groove (10), and a plurality of balls (4) are evenly embedded inside the ball rack (3), a sealing cover (8) is also installed inside the cylinder body (1) and on the side close to the tail seat (9), and two air pipes (5) located on both sides of the piston (6) are installed on the top side of the cylinder body (1).
2. The pneumatic quick-change device for the tailstock of a machine tool according to claim 1, characterized in that: A sealing ring (7) is embedded in the outer surface of the piston (6), and a sealing ring (7) is also embedded in the outer surface of the sealing cover (8).
3. The pneumatic quick-change device for the tailstock of a machine tool according to claim 2, characterized in that: The end cover (2) and the tailstock (9) are both connected to the cylinder body (1) via bolts.
4. The pneumatic quick-change device for the tailstock of a machine tool according to claim 3, characterized in that: The sphere (4) and the ball rack (3) are both made of steel.
5. The pneumatic quick-change device for the tailstock of a machine tool according to claim 4, characterized in that: The sealing rings (7) are all made of rubber material.