Burr removing device

Abstract

The utility model provides a burr removing device, which relates to the technical field of machining devices, and mainly comprises a main shaft and a driving sleeve assembly, the driving sleeve assembly comprises an inflation sleeve and sealing sleeves, the inflation sleeve is sleeved on the main shaft, the sealing sleeves are arranged at two ends of the inflation sleeve, an air pressure chamber is arranged in the inflation sleeve, and the sealing sleeves are arranged in the air pressure chamber. A plurality of floating pistons and floating sleeves are arranged in the air pressure chamber, moving sensors are arranged on the floating pistons, the floating sleeves are arranged on the main shaft in a sleeving mode, the floating pistons float under the action of air pressure and eject the floating sleeves out, the floating sleeves continue to be under the action of air pressure in the air pressure chamber, and the floating force of the floating sleeves is adjusted by adjusting the air pressure. Due to the fact that the movement sensor can sense the movement of the floating piston and transmit a signal to the main shaft, the movement of the main shaft is controlled in real time, and the situation that the sensitivity of main shaft deflection is reduced due to floating signal lagging is avoided.

Description

Technical Field

[0001] This utility model relates to the field of machining equipment technology, and in particular to a burr removal device. Background Technology

[0002] Casting products are formed by placing material into the cavity of a molding die, cooling it, and then demolding the melt after it solidifies. In actual production, due to wear and tear on the mold, burrs and flash often appear at the mold-closing points of die-cast products. These burrs are mainly caused by excess iron filings generated at the edges of the processed material due to plastic deformation, or by the mold parting line, sprue, and some mold cracks, which affect the quality of the workpiece.

[0003] Currently, the traditional method of deburring die-cast parts involves manually grinding each part with simple tools. This manual method has three drawbacks: First, it is labor-intensive and inefficient; second, due to varying worker skill levels, parts are easily damaged, making it difficult for products to meet uniform quality standards; and third, the deburring process poses a risk of dust inhalation for workers if not properly protected, and improper tool use can also threaten worker safety. Therefore, mechanical deburring equipment is needed to deburr die-cast parts, reducing manual labor, saving processing costs, consistently improving the quality of processed parts, and better ensuring worker safety.

[0004] Traditional deburring devices use a floating piston inside a pressure chamber. As the air pressure in the chamber increases, the floating piston floats, pushing out a floating sleeve it contacts. The amount of air injected adjusts the floating sleeve's floating force, thus regulating the spindle's sensitivity. However, this method, where the floating piston pushes out the floating sleeve with increasing air pressure and then adjusts the spindle's skewness by varying the amount of air injected, results in significant spindle hysteresis, leading to reduced spindle sensitivity during deburring. Utility Model Content

[0005] In view of this, the purpose of this utility model is to provide a burr removal device to solve the technical problem in the prior art where there is a serious signal lag from the time the floating piston generates floating to the time the floating sleeve is ejected, and then the floating sleeve floats to drive active deflection, which leads to a decrease in the sensitivity of burr removal.

[0006] To achieve the above objectives, this utility model provides a burr removal device, including a main shaft and a drive sleeve assembly sleeved on the main shaft. The drive sleeve assembly includes an inflatable sleeve and a sealing sleeve. The inflatable sleeve is sleeved on the main shaft, and the sealing sleeve is located at both ends of the inflatable sleeve to seal it. The inflatable sleeve contains a pressure chamber, which is equipped with several floating pistons and floating sleeves. The floating pistons are equipped with motion sensors, and the floating sleeves are sleeved on the main shaft. The motion sensors sense the movement of the floating pistons to control the deflection of the main shaft.

[0007] Optionally, the motion sensor is configured as a proximity switch.

[0008] Optionally, the motion sensor is disposed on the side wall of the floating piston.

[0009] Optionally, the inflatable sleeve is provided with an inflation tube, which is connected to the pressure chamber.

[0010] Optionally, the pressure chamber is annular, and the floating piston comprises several pistons evenly distributed within the pressure chamber. The floating pistons are subjected to air pressure within the pressure chamber, causing them to float.

[0011] Optionally, the floating piston comprises ten pistons arranged in an array around the circumference of the main shaft.

[0012] Optionally, the floating sleeve is disposed at the bottom end of the floating piston. In the initial state, the floating piston is in contact with the floating sleeve. After the floating piston is subjected to air pressure, it pushes the floating sleeve out.

[0013] Optionally, a rolling element is provided between the floating sleeve and the sealing sleeve. When the floating sleeve is subjected to air pressure, it deflects and drives the sealing sleeve to act on the main shaft through the rolling element.

[0014] Optionally, the rolling element is a ball bearing, the floating sleeve is provided with a ball bearing groove, the ball bearing is rotatably disposed in the ball bearing groove, and the ball bearing is in contact with the inner wall of the sealing sleeve.

[0015] Optionally, the floating sleeve includes a first ring and a second ring, the radius of the first ring is smaller than the radius of the second ring, the first ring and the second ring are integrally formed, the first ring is in contact with the floating piston, and the second ring is in contact with the sealing sleeve.

[0016] The burr removal device provided by this utility model has the following technical effects:

[0017] This burr removal device mainly consists of a main shaft and a drive sleeve assembly. The drive sleeve assembly includes an inflatable sleeve and a sealing sleeve. The inflatable sleeve is fitted onto the main shaft, and the sealing sleeve is located at both ends of the inflatable sleeve. The inflatable sleeve contains a pressure chamber with several floating pistons and floating sleeves. The floating pistons are equipped with motion sensors. The floating sleeves are fitted onto the main shaft. When the floating pistons are subjected to air pressure, they float, pushing the floating sleeves out. The floating sleeves continue to be subjected to air pressure in the pressure chamber. That is, by adjusting the air pressure, the floating force of the floating sleeves can be adjusted, thereby controlling the deflection force of the main shaft. In this invention, because the motion sensors can sense the movement of the floating pistons and transmit the signal to the main shaft, the movement of the main shaft can be controlled in real time, avoiding the decrease in sensitivity of the main shaft deflection due to the lag of the floating signal. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a three-dimensional structural schematic diagram of a preferred embodiment of the burr removal device of this utility model;

[0020] Figure 2 yes Figure 1 Top view of the deburring device;

[0021] Figure 3 yes Figure 2 Cross-sectional view of the burr removal device along the BB direction;

[0022] Figure 4 yes Figure 1 A partially exploded view of the burr removal device.

[0023] in, Figures 1-4 :

[0024] 1. Spindle;

[0025] 2. Drive sleeve assembly; 21. Inflatable sleeve; 211. Air pressure chamber; 212. Inflatable pipe; 22. Sealing sleeve; 23. Floating piston; 24. Floating sleeve; 241. First ring body; 242. Second ring body; 2421. Ball groove; 25. Ball. Detailed Implementation

[0026] To make the objectives, technical solutions, and advantages of this utility model clearer, the technical solutions of this utility model will be described in detail below. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. Based on the embodiments of this utility model, all other implementation methods obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0027] Based on the deficiencies described in the existing technology, the following section, in conjunction with specific appendices, discusses... Figure 1-4 The burr removal device of this utility model is described in detail.

[0028] like Figure 1-4 The diagram shown is a preferred embodiment of the burr removal device of this utility model. The burr removal device includes a main shaft 1 and a drive sleeve assembly 2. The drive sleeve assembly 2 is sleeved on the main shaft 1. The drive sleeve assembly 2 is ventilated, and the drive sleeve assembly 2 acts on the main shaft 1 through floating air pressure to achieve the purpose of precisely controlling the deviation of the main shaft 1.

[0029] like Figure 3 and Figure 4 As shown, the drive sleeve assembly 2 includes an inflatable sleeve 21 and a sealing sleeve 22. Both the inflatable sleeve 21 and the sealing sleeve 22 are sleeved on the main shaft 1. The inflatable sleeve 21 and the sealing sleeve 22 do not slide relative to the main shaft 1. The inflatable sleeve 21 has a pressure chamber 211 inside. The sealing sleeve 22 is installed at both ends of the inflatable sleeve 21 and is sealed to the inflatable sleeve 21. In this embodiment, the sealing sleeve 22 can seal both ends of the inflatable sleeve 21, so that the pressure chamber 211 in a sealed state can be formed.

[0030] like Figure 3 and Figure 4 As shown, the air pressure chamber 211 is provided with a number of floating pistons 23 and floating sleeves 24. In this embodiment, it is preferred to include ten floating pistons 23, which are arranged in an array around the main shaft 1. That is, the ten floating pistons 23 are distributed at equal distances around the main shaft 1. The floating sleeves 24 are sleeved on the main shaft 1 and are located at the bottom of the floating pistons 23. The floating pistons 23 are initially in contact with the floating sleeves 24. After the floating pistons 23 are subjected to air pressure, they push the floating sleeves 24 out.

[0031] A motion sensor is provided on the floating piston 23. In this embodiment, the motion sensor is preferably a proximity switch. The motion sensor is located on the side wall of the floating piston 23. The motion sensor senses the movement of the floating piston 23 and transmits the sensing signal to the spindle 1 controller. After receiving the sensing signal, the spindle 1 controller processes the sensing signal and then controls the spindle 1 to deflect. In this way, the floating piston 23 and the spindle 1 can be synchronized. The degree of deflection is precisely controlled by the magnitude of the air pressure in the air pressure chamber 211.

[0032] like Figure 1-4 As shown, the inflation sleeve 21 of this embodiment is provided with an inflation tube 212. The inflation tube 212 is located on the side of the inflation sleeve 21. The inflation tube 212 is preferably L-shaped. The inflation tube 212 is connected to the air pressure chamber 211 inside the inflation sleeve 21, that is, the air pressure intensity inside the air pressure chamber 211 is changed through the inflation tube 212.

[0033] Since the inflation sleeve 21 has a ring-shaped structure, the air pressure chamber 211 located inside the inflation sleeve 21 is also ring-shaped. Ten floating pistons 23 are evenly distributed in the air pressure chamber 211. The floating pistons 23 are subjected to air pressure in the air pressure chamber 211, causing them to float and push the floating sleeve 24 out. The floating sleeve 24 continues to be subjected to air pressure, causing it to float.

[0034] Furthermore, such as Figure 3 As shown, a rolling element is provided between the floating sleeve 24 and the sealing sleeve 22. The rolling element is preferably a ball 25. The floating sleeve 24 is provided with a ball groove 2421. The ball 25 is rotatably disposed in the ball groove 2421. The ball 25 is in contact with the inner wall of the sealing sleeve 22 at the same time.

[0035] like Figure 3 As shown, the floating sleeve 24 of this embodiment includes a first ring body 241 and a second ring body 242. The radius of the first ring body 241 is smaller than the radius of the second ring body 242. The first ring body 241 and the second ring body 242 are integrally formed. The first ring body 241 is in contact with the floating piston 23, and the second ring body 242 is in contact with the sealing sleeve 22.

[0036] The specific driving process is as follows: air is introduced into the pressure chamber 211, forcing the floating piston 23 to move and pushing the floating sleeve 24 downward from the floating piston 23. After being pushed out, the floating sleeve 24 continues to be subjected to air pressure. By injecting air into the pressure chamber 211, the floating force of the floating sleeve 24 can be adjusted. Since the floating sleeve 24 is fixedly connected to the sealing sleeve 22, and the sealing sleeve 22 is fixedly sleeved on the main shaft 1, the floating sleeve 24 floats, which can easily cause the main shaft 1 to deflect. The accuracy of the deflection of the main shaft 1 needs to be determined by the amount of air injected into the pressure chamber 211. This solves the problem that the internal buoyancy of the device cannot be accurately controlled, which leads to a reduction in the sensitivity of the movement of the main shaft 1. The movement sensor in this embodiment is beneficial to increasing the sensitivity of the main shaft 1, resulting in a better deburring effect.

[0037] In the description of this utility model, it should be noted that, unless otherwise stated, "a plurality of" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front end," "rear end," "head," "tail," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," "third," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0038] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0039] The above description is merely a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the protection scope of the claims.

Claims

1. A burr removal device, comprising a main shaft and a drive sleeve assembly sleeved on the main shaft, characterized in that, The drive sleeve assembly includes an inflatable sleeve and a sealing sleeve. The inflatable sleeve is fitted onto the main shaft, and the sealing sleeve is located at both ends of the inflatable sleeve to seal it. The inflatable sleeve contains a pressure chamber, which is equipped with several floating pistons and floating sleeves. Each floating piston is equipped with a movement sensor. The floating sleeve is fitted onto the main shaft, and the movement sensor senses the movement of the floating pistons to control the deflection of the main shaft.

2. The burr removal device according to claim 1, characterized in that, The motion sensor is configured as a proximity switch.

3. The burr removal device according to claim 1, characterized in that, The motion sensor is located on the side wall of the floating piston.

4. The burr removal device according to claim 1, characterized in that, The inflatable sleeve is equipped with an inflation tube, which is connected to the pressure chamber.

5. The burr removal device according to claim 4, characterized in that, The pressure chamber is annular, and the floating piston comprises several pistons that are evenly distributed within the pressure chamber. The floating pistons are subjected to air pressure within the pressure chamber, causing them to float.

6. The burr removal device according to claim 5, characterized in that, The floating piston comprises ten pistons, arranged in an array around the circumference of the main shaft.

7. The burr removal device according to claim 5, characterized in that, The floating sleeve is mounted on the bottom end of the floating piston. In the initial state, the floating piston is in contact with the floating sleeve. When the floating piston is subjected to air pressure, it pushes the floating sleeve out.

8. The burr removal device according to claim 7, characterized in that, A rolling element is provided between the floating sleeve and the sealing sleeve. When the floating sleeve is subjected to air pressure, it deflects and drives the sealing sleeve to act on the main shaft through the rolling element.

9. The burr removal device according to claim 8, characterized in that, The rolling element is a ball bearing, and the floating sleeve is provided with a ball bearing groove. The ball bearing is rotatably disposed in the ball bearing groove, and the ball bearing is in contact with the inner wall of the sealing sleeve.

10. The burr removal device according to claim 9, characterized in that, The floating sleeve includes a first ring and a second ring. The radius of the first ring is smaller than the radius of the second ring. The first ring and the second ring are integrally formed. The first ring is in contact with the floating piston, and the second ring is in contact with the sealing sleeve.

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