Cutter grinding head for lathe

Abstract

The utility model relates to the technical field of numerical control machine tools, and discloses a tool grinding head for a lathe, which comprises a main body mechanism, a connecting mechanism and an auxiliary mechanism, the main body mechanism comprises a grinding unit, a servo assembly, an offset sensor and a first lead screw assembly, the servo assembly is fixedly installed outside the grinding unit, and the offset sensor is fixedly installed outside the grinding unit. A motor group is arranged in the servo assembly; the offset sensor is fixedly installed on the front end face of the servo assembly. The first lead screw assembly penetrates through the offset sensor and then is fixedly installed at the transmission end in the servo assembly. According to the lathe tool polishing device, the first lead screw assembly drives the lathe tool to extend to the polishing unit, friction vibration generated by polishing of the lathe tool is preliminarily absorbed and slowed down by the spring damper, and displacement is read by the offset sensor, so that accurate monitoring of the polishing amount of the lathe tool is completed, errors generated by manual operation are reduced, and the polishing efficiency is improved. And the lathe tool better meets the production and manufacturing requirements.

Description

Technical Field

[0001] The utility model relates to the technical field of numerical control machine tools, in particular to a tool grinding head for a lathe. Background Art

[0002] The existing lathe tool grinding head is installed on the lathe chuck, and its characteristics are that it includes a support shaft and a grinding wheel fixed thereon, the grinding wheel is bonded and fixed to the support shaft; the side of the grinding wheel is an inclined surface or a conical surface; a limiting groove is opened on the support shaft, and the limiting groove matches the clamp of the lathe chuck.

[0003] As shown in announcement number CN216371372U, a tool head grinding device for lathe tool production is disclosed, wherein a first fixed ring is fixedly connected to the upper surface of the high layer of the stepped base, a first drive motor is fixedly sleeved on the first fixed ring, a grinding wheel is fixedly connected to the output shaft of the first drive motor, a reciprocating motion module is fixedly connected to the upper surface of the low layer of the stepped base, a shaft mounting block is fixedly connected to the upper surface of the reciprocating motion module, and an adjusting shaft is fixedly sleeved on the shaft mounting block.

[0004] The above-mentioned prior art solves the problem of traditional lathe tool head grinding equipment performing reciprocating grinding operations and flying iron chips through manual labor. However, when the lathe tool is pushed by manual labor for grinding, it is difficult to accurately control the grinding amount of the tool, resulting in an error between the grinding surface of the tool and the opening, which causes an inner diameter error when the subsequent tool is used to grind the product. When the error is between 0.1MM and 0.3MM, manual trimming is required, which affects the yield and production efficiency. Utility Model Content

[0005] 1. Technical issues to be solved

[0006] The purpose of the utility model is to provide a tool grinding head for a lathe, so as to solve the problem raised in the above background technology that it is difficult to accurately control the grinding amount of the tool when the lathe tool is polished by manpower, resulting in an error between the polishing surface of the tool and the opening, thereby causing an inner diameter error when the subsequent tool is polished. When the error is between 0.1MM and 0.3MM, manual trimming is required, which affects the yield and production efficiency.

[0007] (II) Technical solution

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a tool grinding head for a lathe, comprising a main body mechanism, a connecting mechanism and an auxiliary mechanism, wherein the connecting mechanism is located at the lower end of the main body mechanism, and the auxiliary mechanism is located at the inner end of the connecting mechanism, and the main body mechanism comprises a grinding unit, a servo assembly, an offset sensor and a first lead screw assembly, wherein the servo assembly is fixedly mounted on the outside of the grinding unit, and a motor unit is arranged inside the servo assembly; the offset sensor is fixedly mounted on the front end surface of the servo assembly; the first lead screw assembly passes through the offset sensor and is fixedly mounted on the transmission end in the servo assembly;

[0009] The main mechanism also includes a spring damper, a clamping assembly and a lathe tool. The spring damper is fixedly mounted on the outer end of the first screw assembly, and there is a slight gap between the outer wall of the spring damper and the offset sensor; the clamping assembly is fixedly mounted on the front end of the first screw assembly, and the clamping assembly includes but is not limited to an air source interface and a clamping block; the lathe tool is fixedly mounted on the front end of the clamping assembly.

[0010] Preferably, the connecting mechanism includes a workbench, a gyroscope, a correction sensor, a single-chip computer module, a driving unit, a power supply module and a storage cavity, and the workbench is fixedly installed below the clamping assembly.

[0011] Preferably, the gyroscope is movably mounted at the front end of the servo assembly and connected to the offset sensor; the correction sensor is fixedly mounted on the outside of the gyroscope; the single-chip microcomputer module is fixedly mounted above the workbench, and the single-chip microcomputer module includes but is not limited to a filter and a circuit board.

[0012] Preferably, the driving unit is movably mounted at the lower end of the single-chip microcomputer module, and the driving unit is electrically driven, including but not limited to a second screw assembly and a rotator assembly; the power supply module is fixedly mounted at the lower end of the workbench, and the storage cavity is fixedly mounted on the left side of the power supply module.

[0013] Preferably, the auxiliary mechanism comprises a control panel, a touch module, a central control module and a wireless module, the control panel is fixedly mounted on the front surface of the workbench, and the touch module is fixedly mounted inside the workbench.

[0014] Preferably, the central control module is fixedly installed at the outer end of the touch module, and the wireless module is fixedly installed on the right side of the central control module.

[0015] Preferably, the grinding unit includes but is not limited to grinding wheels and shock-absorbing ring pads. The grinding wheels are provided in two groups, and the distances between the two groups of grinding wheels and the grinding unit and the sizes of grinding particles are different. The shock-absorbing ring pads are fixedly installed between the two groups of grinding wheels and the transmission end of the grinding unit.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] 1. The tool grinding head for the lathe is fixedly installed through the main body mechanism, and the clamping assembly is used to fix and limit the lathe tool. The first screw assembly drives the lathe tool to extend to the grinding unit. The friction vibration generated by the grinding of the lathe tool is initially absorbed and slowed down by the spring damper, and the synchronous spring damper is forced to produce displacement, and the displacement is read by the offset sensor. In this process, the vibration amplitude generated by the grinding wheel transmission is reduced by the damping ring pad, so that the displacement obtained by the offset sensor tends to the friction generated by the opening of the lathe tool, thereby completing the precise monitoring of the grinding amount of the lathe tool, reducing the error caused by manual operation, and making the lathe tool more in line with production and manufacturing needs;

[0018] 2. The tool grinding head for the lathe is fixedly installed through a connecting mechanism. When the offset sensor generates a displacement, it synchronously drives the gyroscope to rotate at the same frequency. The offset of the gyroscope is read by the deviation correction sensor and then transmitted to the single-chip microcomputer module. The circuit board performs data model comparison to control the retraction of the first lead screw assembly, so that the lathe tool grinding amount is more accurate and almost the same as the tool opening loss, reducing the use cost and automatic operation, and effectively improving the speed of the tool grinding head;

[0019] 3. The tool grinding head for the lathe is fixedly installed through the auxiliary mechanism. The user inputs commands to the central control module through the touch module on the control panel to complete the data monitoring of the tool grinding head and the data change of the single-chip computer module. At the same time, the central control module can be remotely controlled by the wireless module, thereby facilitating the synchronous data monitoring of multiple devices to complete the model building of the Internet of Things. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0021] Figure 2 It is a partial structural diagram of the main mechanism of the utility model;

[0022] Figure 3 This is a schematic diagram of the structure of the grinding unit and lathe tool of the utility model;

[0023] Figure 4 It is a schematic diagram of the partial cross-section structure of the utility model.

[0024] In the figure: 1. main mechanism; 101. grinding unit; 1011. grinding wheel; 1012. shock-absorbing ring pad; 102. servo assembly; 103. offset sensor; 104. first screw assembly; 105. spring damper; 106. clamping assembly; 1061. air source interface; 1062. clamping block; 107. lathe tool; 2. connecting mechanism; 201. workbench; 202. gyroscope; 203. deviation correction sensor; 204. single-chip microcomputer module; 2041. filter; 2042. circuit board; 205. driving unit; 2051. second screw assembly; 2052. rotator assembly; 206. power module; 207. storage cavity; 3. auxiliary mechanism; 301. control panel; 302. touch module; 303. central control module; 304. wireless module. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] See also Figure 1-Figure 4The utility model provides a technical solution: a tool grinding head for a lathe, comprising a main mechanism 1, a connecting mechanism 2 and an auxiliary mechanism 3, wherein the connecting mechanism 2 is located at the lower end of the main mechanism 1, and the auxiliary mechanism 3 is located at the inner end of the connecting mechanism 2, the main mechanism 1 comprises a grinding unit 101, a servo assembly 102, an offset sensor 103 and a first screw assembly 104, the servo assembly 102 is fixedly mounted on the outside of the grinding unit 101, and a motor unit is arranged in the servo assembly 102; the offset sensor 103 is fixedly mounted on the front end surface of the servo assembly 102; the first screw assembly 104 is fixedly mounted on the transmission end in the servo assembly 102 after penetrating the offset sensor 103; the main mechanism 1 also comprises a spring damper 105, a clamping assembly 106 and a lathe tool 107, the spring damper 105 is fixedly mounted on the outer end of the first screw assembly 104, and the spring damper There is a slight gap between the outer wall of 105 and the offset sensor 103; the clamping assembly 106 is fixedly installed at the front end of the first screw assembly 104, and the clamping assembly 106 includes but is not limited to the air source interface 1061 and the clamping block 1062; the lathe tool 107 is fixedly installed at the front end of the clamping assembly 106, and the lathe tool 107 is fixedly limited by the clamping assembly 106, and the lathe tool 107 is driven by the first screw assembly 104 to extend toward the grinding unit 101, and the friction vibration generated by the grinding of the lathe tool 107 is initially absorbed and slowed down by the spring damper 105, and the synchronous spring damper 105 is displaced by force, and the displacement is read by the offset sensor 103. In this process, the amplitude generated by the transmission of the grinding wheel 1011 is reduced by the shock-absorbing ring pad 1012, so that the displacement obtained by the offset sensor 103 tends to the friction generated by the opening of the lathe tool 107.

[0027] The connecting mechanism 2 includes a workbench 201, a gyroscope 202, a correction sensor 203, a single-chip microcomputer module 204, a driving unit 205, a power module 206 and a storage cavity 207. The workbench 201 is fixedly installed below the clamping component 106. The gyroscope 202 is movably installed at the front end of the servo component 102 and connected to the offset sensor 103. The correction sensor 203 is fixedly installed on the outside of the gyroscope 202. The single-chip microcomputer module 204 is fixedly installed above the workbench 201, and the single-chip microcomputer module 204 includes but is not limited to a filter 2041 and a circuit board 2042. The driving unit 205 is movably installed below the single-chip microcomputer module 204. end, and the driving part 205 is electrically driven, including but not limited to the second screw assembly 2051 and the rotator assembly 2052; the power module 206 is fixedly installed at the lower end of the workbench 201, and the storage cavity 207 is fixedly installed on the left side of the power module 206. When the offset sensor 103 generates a displacement, it synchronously drives the gyroscope 202 to rotate at the same frequency. The offset of the gyroscope 202 is read by the correction sensor 203 and then transmitted to the single-chip computer module 204. The circuit board 2042 performs data model comparison to control the retraction of the first screw assembly 104, so that the grinding amount of the lathe tool 107 is more accurate, which is almost the same as the tool opening loss.

[0028] The auxiliary mechanism 3 includes a control panel 301, a touch module 302, a central control module 303 and a wireless module 304. The control panel 301 is fixedly installed on the front surface of the workbench 201, the touch module 302 is fixedly installed inside the workbench 201, the central control module 303 is fixedly installed on the outer end of the touch module 302, and the wireless module 304 is fixedly installed on the right side of the central control module 303. The user inputs commands to the central control module 303 through the touch module 302 through the control panel 301 to complete the data monitoring of the tool grinding head and the data change of the single-chip computer module 204. At the same time, the central control module 303 can be remotely controlled by the wireless module 304.

[0029] In a further embodiment, the grinding unit 101 includes but is not limited to a grinding wheel 1011 and a shock-absorbing ring pad 1012. The grinding wheel 1011 is provided with two groups, and the distance between the two groups of grinding wheels 1011 and the grinding unit 101 and the grinding particle size are different. The shock-absorbing ring pad 1012 is fixedly installed between the two groups of grinding wheels 1011 and the transmission end of the grinding unit 101.

[0030] In this arrangement, the grinding particle sizes of the two sets of grinding wheels 1011 are matched with the distance of the grinding unit 101, so that the amplitudes generated by the left and right transmission ends of the grinding unit 101 tend to be the same, and the vibration amplitude generated by the grinding unit 101 is absorbed by the shock-absorbing ring pad 1012.

[0031] Working principle: The lathe tool 107 is fixedly installed at the front end of the clamping assembly 106. The clamping assembly 106 fixes and limits the lathe tool 107. The first screw assembly 104 drives the lathe tool 107 to extend toward the grinding unit 101. The friction vibration generated by the grinding of the lathe tool 107 is initially absorbed and slowed down by the spring damper 105. The synchronous spring damper 105 is displaced by force, and the displacement is read by the offset sensor 103. In this process, the vibration amplitude generated by the transmission of the grinding wheel 1011 is reduced by the damping ring pad 1012. When the offset sensor 103 generates displacement, the rotor is synchronously driven. The gyroscope 202 rotates at the same frequency, and the deviation correction sensor 203 reads the offset of the gyroscope 202, which is then transmitted to the single-chip computer module 204. The circuit board 2042 performs data model comparison to control the retraction of the first screw assembly 104, so that the grinding amount of the lathe tool 107 is more accurate and almost the same as the tool opening loss. The user inputs commands to the central control module 303 through the touch module 302 via the control panel 301 to complete the data monitoring of the tool grinding head and the data change of the single-chip computer module 204. At the same time, the central control module 303 can be remotely controlled by the wireless module 304.

[0032] Finally, it should be noted that the above content is only used to illustrate the technical solution of the utility model, rather than to limit the protection scope of the utility model. Simple modifications or equivalent substitutions of the technical solution of the utility model by ordinary technicians in this field do not deviate from the essence and scope of the technical solution of the utility model.

Claims

1. A tool grinding head for a lathe, comprising a main mechanism (1), a connecting mechanism (2) and an auxiliary mechanism (3), characterized in that: The connecting mechanism (2) is located at the lower end of the main mechanism (1), and the auxiliary mechanism (3) is located at the inner end of the connecting mechanism (2). The main mechanism (1) comprises a grinding unit (101), a servo assembly (102), an offset sensor (103) and a first screw assembly (104). The servo assembly (102) is fixedly mounted on the outside of the grinding unit (101), and a motor assembly is provided inside the servo assembly (102); the offset sensor (103) is fixedly mounted on the front end surface of the servo assembly (102); and the first screw assembly (104) passes through the offset sensor (103) and is fixedly mounted on the transmission end inside the servo assembly (102). The main body mechanism (1) also includes a spring damper (105), a clamping assembly (106) and a lathe tool (107); the spring damper (105) is fixedly mounted on the outer end of the first screw assembly (104), and a slight gap exists between the outer wall of the spring damper (105) and the offset sensor (103); the clamping assembly (106) is fixedly mounted on the front end of the first screw assembly (104), and the clamping assembly (106) includes but is not limited to an air source interface (1061) and a clamping block (1062); the lathe tool (107) is fixedly mounted on the front end of the clamping assembly (106).

2. The tool grinding head for a lathe according to claim 1, characterized in that: The connecting mechanism (2) comprises a workbench (201), a gyroscope (202), a deviation correction sensor (203), a single-chip computer module (204), a driving unit (205), a power supply module (206) and a storage cavity (207); the workbench (201) is fixedly mounted below the clamping assembly (106).

3. The tool grinding head for a lathe according to claim 2, characterized in that: The gyroscope (202) is movably mounted at the front end of the servo assembly (102) and connected to the offset sensor (103); the deviation correction sensor (203) is fixedly mounted on the outside of the gyroscope (202); the single-chip microcomputer module (204) is fixedly mounted above the workbench (201), and the single-chip microcomputer module (204) includes but is not limited to a filter (2041) and a circuit board (2042).

4. The tool grinding head for a lathe according to claim 3, characterized in that: The driving unit (205) is movably mounted at the lower end of the single-chip computer module (204), and the driving unit (205) is electrically driven, including but not limited to a second lead screw assembly (2051) and a rotator assembly (2052); the power supply module (206) is fixedly mounted at the lower end of the workbench (201), and the storage cavity (207) is fixedly mounted on the left side of the power supply module (206).

5. The tool grinding head for a lathe according to claim 4, characterized in that: The auxiliary mechanism (3) comprises a control panel (301), a touch module (302), a central control module (303) and a wireless module (304); the control panel (301) is fixedly mounted on the front surface of the workbench (201); and the touch module (302) is fixedly mounted inside the workbench (201).

6. The tool grinding head for a lathe according to claim 5, characterized in that: The central control module (303) is fixedly mounted on the outer end of the touch module (302), and the wireless module (304) is fixedly mounted on the right side of the central control module (303).

7. The tool grinding head for a lathe according to claim 6, characterized in that: The grinding machine group (101) includes but is not limited to a grinding wheel (1011) and a shock-absorbing ring pad (1012). The grinding wheel (1011) is provided with two groups, and the distances between the two groups of grinding wheels (1011) and the grinding machine group (101) and the sizes of grinding particles are different. The shock-absorbing ring pad (1012) is fixedly installed between the two groups of grinding wheels (1011) and the transmission end of the grinding machine group (101).

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