A thermal error detection structure for CNC machine tools
By arranging a fixed bracket and transmission system inside the CNC machine tool and driving the temperature measuring sensor for movement detection, the problem of excessive number of temperature measuring sensors in traditional methods is solved, and cost reduction and machine tool damage is achieved.
Patent Information
- Application Number
- CN202421422140.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-20
- Publication Date
- 2025-04-11
- Estimated Expiration
- 2034-06-20
AI Technical Summary
In traditional CNC machine tools thermal error detection methods, too many temperature measurement sensors are arranged, which increases costs and may have an impact on the machine tool.
A thermal error detection structure for CNC machine tools is designed. By arranging a fixed bracket at each distance inside the machine tool, the temperature measuring sensor is driven by a drive pulley and a drive belt to move the left and right paths equally, and combined with the cooperation of the slide rail and the slide seat, thermal error detection is achieved.
The number of temperature measuring sensors is reduced, the cost and maintenance probability is reduced, and the heat emitted by the sensor is reduced, avoiding adverse effects on the machine tool.
Smart Images
Figure CN222740981U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of numerical control machine tool detection, in particular to a thermal error detection structure of a numerical control machine tool. Background Art
[0002] CNC machine tool is the abbreviation of digital control machine tool. It is an automated machine tool equipped with a program control system. After calculation and processing, the CNC device sends out various control signals to control the movement of the machine tool. It automatically processes parts according to the shape and size required by the drawing. Thermal error usually refers to the thermal error of the machine tool, usually refers to the processing error or motion error caused.
[0003] The thermal deformation law of machine tools is related to the temperature changes of many important components of the machine tools. The traditional method is to evenly arrange a certain number of temperature sensors on the machine tools to measure the overall temperature of the machine tools. However, too many temperature sensors will not only increase the cost, but the heat emitted by too many sensors will also affect the machine tools.
[0004] Therefore, it is particularly important to design a thermal error detection structure for CNC machine tools to change the above technical defects and improve the overall practicality. Utility Model Content
[0005] The purpose of the utility model is to provide a thermal error detection structure for a numerically controlled machine tool to solve the problems raised in the above background technology.
[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0007] A thermal error detection structure for a numerically controlled machine tool comprises a fixed bracket, wherein a transmission pulley is symmetrically connected to the inside of the fixed bracket for rotation, a transmission belt is connected between two groups of the transmission pulleys, a belt clamp is symmetrically fixed to the outside of the transmission belt, a forward and reverse motor is arranged at the left end of the back side of the fixed bracket, a slide rail extending along the length direction of the fixed bracket is installed inside the fixed bracket and on both the upper and lower sides, a slide seat is slidably connected to the outside of the slide rail, a movable plate is fixed between the belt clamp and the slide seat at the same position, an electric push rod is installed on the front side of the movable plate, and a temperature measuring sensor is installed on the driving end of the electric push rod.
[0008] As a preferred solution of the utility model, the fixing bracket is designed as a concave rectangular bracket structure, and mounting ears are provided on both the left and right sides of the top and bottom of the fixing bracket.
[0009] As a preferred solution of the utility model, a controller is provided on the side wall of the fixed bracket, wherein the controller is respectively connected to the forward and reverse motors, the electric push rod, and the temperature sensor through wires, and the connection method is electrical connection, wherein the controller is remotely connected to the control console through a local area network.
[0010] As a preferred solution of the utility model, the transmission pulley is rotatably connected to the inside of the fixed bracket through a bearing seat.
[0011] As a preferred solution of the utility model, the output end of the forward and reverse motor passes through the fixed bracket and is connected to the driving pulley on one side.
[0012] As a preferred solution of the utility model, the electric push rod is fixedly mounted on the moving plate by bolts.
[0013] Compared with the prior art, the beneficial effects of the utility model are:
[0014] In the utility model, a thermal error detection structure of a CNC machine tool is set up, and a group of fixed brackets are arranged and installed at each distance inside the machine tool, wherein a transmission belt is arranged through a transmission pulley, and two groups of temperature sensors are installed on the transmission belt through a belt clamp seat. Driven by the forward and reverse motors, the transmission pulley drives the transmission belt to move the left and right paths equally. At this time, with the cooperation of the slide rail and the slide seat, the two groups of temperature sensors can detect thermal errors within this distance, and the electric telescopic rod can drive the temperature sensor to adjust the detection distance. Compared with the traditional method, a certain number of temperature sensors are evenly arranged on the machine tool to measure the overall temperature of the machine tool, which realizes the reduction of temperature sensors, reduces costs and reduces the probability of maintenance. At the same time, reducing the number of sensors arranged also reduces the heat emitted, thereby not causing too much impact on the machine tool. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 This is the main view of the overall structure of the utility model;
[0016] Figure 2 It is a partial structural schematic diagram of the utility model;
[0017] Figure 3 It is a side view of the local structure of the utility model.
[0018] In the figure: 1. fixed bracket; 2. driving pulley; 201. driving belt; 202. belt clamp; 3. forward and reverse motor; 4. slide rail; 401. slide seat; 5. moving plate; 6. electric push rod; 7. temperature sensor. DETAILED DESCRIPTION
[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.
[0020] To facilitate the understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings, and several embodiments of the present invention are given. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.
[0021] It should be noted that when an element is referred to as being "fixed on" another element, it may be directly on the other element or there may also be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used in this article are for illustrative purposes only.
[0022] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by technicians in the technical field of the present invention. The terms used in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used in this article includes any and all combinations of one or more related listed items.
[0023] For examples, see Figure 1-3 , the utility model provides a technical solution:
[0024] A thermal error detection structure for a numerically controlled machine tool comprises a fixed bracket 1, wherein a transmission pulley 2 is symmetrically rotated in the interior of the fixed bracket 1, a transmission belt 201 is connected between two sets of transmission pulleys 2, a belt clamp seat 202 is symmetrically fixed to the outer side of the transmission belt 201, a forward and reverse motor 3 is arranged at the left end of the back side of the fixed bracket 1, a slide rail 4 extending along the length direction of the fixed bracket 1 is installed in the interior of the fixed bracket 1 and on both upper and lower sides, a slide seat 401 is slidably connected to the outer side of the slide rail 4, a moving plate 5 is fixed between the belt clamp seat 202 and the slide seat 401 at the same position, an electric push rod 6 is installed on the front side of the moving plate 5, and a temperature sensor 7 is installed on the driving end of the electric push rod 6;
[0025] The fixed bracket 1 is designed as an inwardly concave rectangular bracket structure, and mounting ears are provided on the left and right sides of the top and bottom of the fixed bracket 1. A controller is provided on the side wall of the fixed bracket 1, and the controller is respectively connected to the forward and reverse motor 3, the electric push rod 6, and the temperature sensor 7 through wires, and the connection method is electrical connection. The controller is remotely connected to the control console through a local area network, and the transmission pulley 2 is rotatably connected to the inside of the fixed bracket 1 through a bearing seat. The output end of the forward and reverse motor 3 passes through the fixed bracket 1 and is connected to the transmission pulley 2 on one side, and the electric push rod 6 is fixedly installed on the moving plate 5 by bolts.
[0026] The working process of the utility model is as follows: a group of fixed brackets 1 are arranged and installed at each distance inside the machine tool, wherein a transmission belt 201 is arranged through a transmission pulley 2, and two groups of temperature sensors 7 are installed on the transmission belt 201 through a belt clamp 202. Driven by the forward and reverse motors 3, the transmission pulley 2 drives the transmission belt 201 to move the left and right paths equally. At this time, with the cooperation of the slide rail 4 and the slide seat 401, the two groups of temperature sensors 7 can detect thermal errors within this distance, and the electric telescopic rod 6 can drive the temperature sensors to adjust the detection distance. Compared with the traditional method, a certain number of temperature sensors are evenly arranged on the machine tool to measure the overall temperature of the machine tool, which realizes the reduction of temperature sensors, reduces costs and reduces the probability of maintenance. At the same time, reducing the number of sensors arranged also reduces the heat emitted, thereby not causing too much impact on the machine tool.
[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A thermal error detection structure for a numerically controlled machine tool, comprising a fixed bracket (1), characterized in that: The interior of the fixed bracket (1) is symmetrically connected to a transmission pulley (2) for rotation, and a transmission belt (201) is connected between two groups of the transmission pulleys (2). A belt clamp seat (202) is symmetrically fixed to the outer side of the transmission belt (201) in an upper and lower manner. A forward and reverse motor (3) is arranged at the left end of the back side of the fixed bracket (1). A slide rail (4) extending along the length direction of the fixed bracket (1) is installed inside the fixed bracket (1) and on both upper and lower sides. A slide seat (401) is slidably connected to the outer side of the slide rail (4). A movable plate (5) is fixed between the belt clamp seat (202) and the slide seat (401) at the same position. An electric push rod (6) is installed on the front side of the movable plate (5), and a temperature sensor (7) is installed on the driving end of the electric push rod (6).
2. The thermal error detection structure of a CNC machine tool according to claim 1, characterized in that: The fixing bracket (1) is designed as a concave rectangular bracket structure, and mounting ears are provided on both the left and right sides of the top and bottom of the fixing bracket (1).
3. The thermal error detection structure of a CNC machine tool according to claim 1, characterized in that: A controller is provided on the side wall of the fixed bracket (1), wherein the controller is respectively connected to the forward and reverse motor (3), the electric push rod (6), and the temperature sensor (7) through wires, and the connection method is electrical connection, wherein the controller is remotely connected to the control console through a local area network.
4. The thermal error detection structure of a CNC machine tool according to claim 1, characterized in that: The driving pulley (2) is rotatably connected to the interior of the fixed bracket (1) via a bearing seat.
5. The thermal error detection structure of a CNC machine tool according to claim 1, characterized in that: The output end of the forward and reverse motor (3) passes through the fixed bracket (1) and is connected to the driving pulley (2) on one side.
6. The thermal error detection structure of a CNC machine tool according to claim 1, characterized in that: The electric push rod (6) is fixedly mounted on the moving plate (5) by means of bolts.