High-precision six-axis small grinding head

Abstract

The utility model discloses a high-precision six-axis small grinding head which comprises a six-axis small grinding head body, a lifting oil cylinder is arranged in the center of the interior of a stand column above a base at the bottom of a grinding head mechanism of the six-axis small grinding head body, a grinding head support is arranged at the end of a push shaft of the lifting oil cylinder, and grinding head installation track grooves are formed in the front face of the grinding head support at equal angles. A grinding head mechanism is arranged in the grinding head mounting rail groove, a hydraulic oil cylinder is arranged on the grinding head mechanism, a movable sliding block is arranged at the end of a push shaft of the hydraulic oil cylinder, anti-skid blocks are symmetrically arranged on the two sides of the movable sliding block, and a micro hydraulic oil cylinder is mounted between the anti-skid blocks and the movable sliding block in a matched mode; according to the six-axis small grinding head, the structure is simple, the six grinding heads are arranged at the same time, the six grinding heads can conduct synchronous grinding at the same time, the number of the needed grinding heads can be selected according to the requirement that grinding is not conducted, grinding is conducted at the same time, and the grinding efficiency is high.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical precision machining, in particular to a high-precision six-axis small grinding head. Background Art

[0002] Grinding head is a general term for a small grinding tool with a handle, which is used in electric grinders, hanging grinders, and hand drills. There are many types, mainly ceramic grinding heads, rubber grinding heads, diamond grinding heads, emery cloth grinding heads, etc.

[0003] In the production process of lenses, it is often necessary to grind the lenses until they are polished to specified specifications. However, current lens grinding head equipment basically has only one grinding head. When different grinding accuracies are required, the grinding head needs to be replaced. Moreover, when one grinding head is grinding, the grinding efficiency is low. Therefore, an improved technology is urgently needed to solve this problem existing in the prior art. Utility Model Content

[0004] The purpose of the utility model is to provide a kind of six-axis small grinding head body, in which a lifting cylinder is provided at the center of a column above the bottom base of the grinding head mechanism of the six-axis small grinding head body, a grinding head bracket is provided at the push shaft end of the lifting cylinder, a grinding head mounting track groove is provided at equal angles on the front of the grinding head bracket, a grinding head mechanism is provided inside the grinding head mounting track groove, a hydraulic cylinder is provided on the grinding head mechanism, a moving slider is provided at the push shaft end of the hydraulic cylinder, anti-sliding blocks are symmetrically provided on both sides of the moving slider, a micro-hydraulic cylinder is installed between the anti-sliding block and the moving slider, a hydraulic cylinder mounting groove is provided on the front of the moving slider, a grinding head is provided on the driving motor shaft inside the hydraulic cylinder mounting groove, and six grinding heads are provided at the same time, the six grinding heads can be synchronously polished at the same time, and the required number of grinding heads can also be selected according to the requirements of no grinding to perform grinding at the same time, a high-precision six-axis small grinding head with high grinding efficiency is provided to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a high-precision six-axis small grinding head, comprising a six-axis small grinding head body, a grinding head mechanism bottom base is provided on the six-axis small grinding head body, a column is provided at the center above the grinding head mechanism bottom base, the column and the grinding head mechanism bottom base are an integrated structure, a lifting cylinder is provided at the center inside the column, a grinding head bracket is provided at the end of the push shaft of the lifting cylinder, and the push shaft of the lifting cylinder is fixedly installed at the bottom center of the grinding head bracket;

[0006] The interior of the grinding head bracket is symmetrically provided with grinding head mounting track grooves at equal angles, the interior of the grinding head mounting track grooves is provided with a grinding head mechanism, the grinding head mechanism is provided with a hydraulic cylinder, the hydraulic cylinder is fixedly installed with the grinding head bracket, a moving slider is provided at the push shaft end of the hydraulic cylinder, a hydraulic cylinder is provided at the front center of the moving slider, a matching mounting block is provided at the push shaft end of the hydraulic cylinder on the front of the moving slider, a motor is provided inside the matching mounting block, and a grinding head is matched with the rotating shaft of the motor.

[0007] Preferably, the bottom base of the grinding head mechanism is an isosceles trapezoid, a thread groove is horizontally provided inside the bottom base of the grinding head mechanism, and a screw is provided inside the thread groove.

[0008] Preferably, two stabilizing limit rods are symmetrically provided at the bottom of the grinding head bracket, the stabilizing limit rods and the grinding head bracket are an integrated structure, the stabilizing limit rods are installed in cooperation with the stabilizing limit rod mounting grooves inside the column, and a positioning groove is provided in the center of the inner part of the grinding head bracket, and the positioning groove is set in the center of all grinding head mounting track grooves.

[0009] Preferably, anti-slider mounting grooves are symmetrically provided on both sides of the interior of the movable slider, an anti-slider is provided inside the anti-slider mounting groove, two miniature hydraulic cylinders are symmetrically provided on one side of the anti-slider, the miniature hydraulic cylinders are fixedly connected to the movable slider, the anti-slider is installed in a telescopic manner, the push shaft of the miniature hydraulic cylinder is fixedly installed on one side surface of the anti-slider, a hydraulic cylinder mounting groove is provided at the center of the front side of the movable slider, and a hydraulic cylinder is provided inside the hydraulic cylinder mounting groove.

[0010] Compared with the prior art, the beneficial effects of the utility model are:

[0011] (1) The push shaft of the lifting cylinder is fixedly installed at the bottom center of the grinding head bracket. The lifting cylinder adjusts the height position of the grinding head bracket in the vertical direction. The vertical drive of the lifting cylinder is combined with the horizontal drive of the screw inside the base at the bottom of the grinding head mechanism, so that the entire six-axis small grinding head body can be moved freely on the vertical plane, so that the six-axis small grinding head body can be ground at any position on the vertical plane;

[0012] (2) Two stabilizing limit rods are symmetrically arranged at the bottom of the grinding head bracket. The stabilizing limit rods and the grinding head bracket are an integrated structure. The stabilizing limit rods are installed in cooperation with the stabilizing limit rod mounting grooves inside the column. The stabilizing limit rods enable the grinding head bracket to operate stably during the vertical lifting process, thereby ensuring the stability of the equipment during operation, thereby greatly improving the grinding accuracy of the equipment;

[0013] (3) A positioning groove is provided in the center of the grinding head bracket, and the positioning groove is set in the center of all the grinding head mounting track grooves. When a single grinding head is needed for grinding, the moving slider on the grinding head mechanism is driven into the inside of the positioning groove, so that the grinding head mechanism is more stable during operation, avoiding the deviation of the grinding head mechanism 3 caused by vibration, and greatly improving the grinding accuracy of the equipment;

[0014] (4) The anti-slide blocks on both sides of the moving slide are pushed outwards by the drive of the hydraulic cylinder, so that the anti-slide blocks are fixed inside the track groove of the grinding head installation, thereby preventing the moving slide block from moving during the processing, greatly improving the stability of the equipment, and thus improving the grinding accuracy of the equipment;

[0015] (5) The six-axis small grinding head has a simple structure and high grinding accuracy. It is equipped with six grinding heads, which can perform synchronous grinding at the same time. The required number of grinding heads can also be selected according to the requirements of grinding to perform grinding at the same time, and the grinding efficiency is high. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the main structure of the six-axis small grinding head of the utility model;

[0017] Figure 2 This is a schematic diagram of the grinding head mechanism of the utility model;

[0018] Figure 3 This is a schematic diagram of the structure of the movable slider of the utility model;

[0019] Figure 4 This is a schematic diagram of the installation structure of the anti-sliding block and the micro hydraulic motor of the utility model;

[0020] Figure 5 This is a schematic diagram of the cooperative installation structure of the hydraulic cylinder and the hydraulic motor of the utility model.

[0021] In the figure: 1. Six-axis small grinding head body; 2. Grinding head bracket; 3. Grinding head mechanism; 4. Positioning groove; 5. Column; 6. Bottom base of grinding head mechanism; 7. Grinding head mounting track groove; 8. Hydraulic cylinder; 9. Moving slider; 10. Driving motor; 11. Grinding head; 12. Anti-sliding block; 13. Hydraulic cylinder mounting groove; 14. Micro hydraulic cylinder; 15. Lifting cylinder; 16. Stable limit rod; 17. Matching mounting block. DETAILED DESCRIPTION

[0022] 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.

[0023] See also Figure 1-5 The utility model provides a technical solution: a high-precision six-axis small grinding head, including a six-axis small grinding head body 1, a grinding head mechanism bottom base 6 is provided on the six-axis small grinding head body 1, the grinding head mechanism bottom base 6 is an isosceles trapezoid, a thread groove is horizontally provided inside the grinding head mechanism bottom base 6, a screw is provided inside the thread groove, and the screw installed inside the grinding head mechanism bottom base 6 drives the grinding head mechanism bottom base 6 to move back and forth in the horizontal direction under the drive of the motor, so as to realize the horizontal adjustment of the equipment.

[0024] A column 5 is provided at the center above the bottom base 6 of the grinding head mechanism, and the column 5 and the bottom base 6 of the grinding head mechanism are an integrated structure. A lifting cylinder 15 is provided at the center inside the column 5, and a grinding head bracket 2 is provided at the push shaft end of the lifting cylinder 15. The push shaft of the lifting cylinder 15 is fixedly installed at the bottom center of the grinding head bracket 2. The lifting cylinder 15 adjusts the height position of the grinding head bracket 2 in the vertical direction. The vertical drive of the lifting cylinder 15 is combined with the horizontal drive of the screw inside the bottom base 6 of the grinding head mechanism, so that the entire six-axis small grinding head body 1 can be moved freely on the vertical plane, so that the six-axis small grinding head body 1 can be ground at any position on the vertical plane.

[0025] The interior of the grinding head bracket 2 is symmetrically provided with grinding head mounting track grooves 7 at equal angles, the interior of the grinding head mounting track grooves 7 is provided with a grinding head mechanism 3, the grinding head mechanism 3 is provided with a hydraulic cylinder 8, the hydraulic cylinder 8 is fixedly installed with the grinding head bracket 2, the push shaft end of the hydraulic cylinder 8 is provided with a moving slider 9, the front center of the moving slider 9 is provided with a hydraulic cylinder, the push shaft end of the hydraulic cylinder on the front of the moving slider 9 is provided with a matching mounting block 17, the matching mounting block 17 is provided with a motor, the rotating shaft of the motor is matched with a grinding head 11, the motor drives the grinding head 11 to rotate at high speed to achieve fine grinding of the material surface.

[0026] Two stabilizing limit rods 16 are symmetrically provided at the bottom of the grinding head bracket 2. The stabilizing limit rods 16 and the grinding head bracket 2 are an integrated structure. The stabilizing limit rods 16 are installed in cooperation with the stabilizing limit rod mounting grooves inside the column 5. The stabilizing limit rods 16 enable the grinding head bracket 2 to operate stably during the vertical lifting process, thereby ensuring the stability of the equipment during operation, thereby greatly improving the grinding accuracy of the equipment.

[0027] A positioning groove 4 is provided in the center of the interior of the grinding head bracket 2, and the positioning groove 4 is set in the center of all the grinding head mounting track grooves 7. When a single grinding head is needed for grinding, the movable slider 9 on the grinding head mechanism 3 is driven into the interior of the positioning groove 4, so that the grinding head mechanism 3 is more stable during operation, avoiding deviation of the grinding head mechanism 3 caused by vibration, and greatly improving the grinding accuracy of the equipment.

[0028] Anti-slider mounting grooves are symmetrically provided on both sides of the movable slider 9, and an anti-slider mounting groove is provided inside the anti-slider mounting groove. Two micro hydraulic cylinders 14 are symmetrically provided on one side of the anti-slider 12, and the micro hydraulic cylinder 14 is fixedly connected to the movable slider 9. The anti-slider 12 is installed in a telescopic manner. The push shaft of the micro hydraulic cylinder 14 is fixedly installed on one side surface of the anti-slider 12. A hydraulic cylinder mounting groove 13 is provided in the front center of the movable slider 9, and a hydraulic cylinder is provided inside the hydraulic cylinder mounting groove 13. The anti-slider 12 on both sides of the movable slider 9 on the grinding head mechanism 3 has a positioning function for the movable slider 9. When the movable slider 9 moves to the specified position, the anti-slider 12 on both sides of the movable slider 9 is pushed outward by the drive of the hydraulic cylinder, so that the anti-slider 12 is fixed inside the grinding head mounting track groove 7, so as to avoid the movement of the movable slider 9 during the processing, thereby greatly improving the stability of the equipment and thus improving the grinding accuracy of the equipment.

[0029] The six-axis small grinding head has a simple structure and high grinding precision. It is equipped with six grinding heads, which can perform synchronous grinding at the same time. The required number of grinding heads can also be selected according to the requirements of grinding to perform grinding at the same time, and the grinding efficiency is high.

[0030] 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 high-precision six-axis small grinding head, comprising a six-axis small grinding head body (1), characterized in that: The six-axis small grinding head body (1) is provided with a grinding head mechanism bottom base (6), a column (5) is provided at the center above the grinding head mechanism bottom base (6), the column (5) and the grinding head mechanism bottom base (6) are an integrated structure, a lifting cylinder (15) is provided at the center inside the column (5), a grinding head bracket (2) is provided at the push shaft end of the lifting cylinder (15), and the push shaft of the lifting cylinder (15) is fixedly installed at the bottom center of the grinding head bracket (2); The grinding head bracket (2) is provided with grinding head mounting track grooves (7) symmetrically arranged at equal angles inside, a grinding head mechanism (3) is provided inside the grinding head mounting track grooves (7), a hydraulic cylinder (8) is provided on the grinding head mechanism (3), the hydraulic cylinder (8) is fixedly installed with the grinding head bracket (2), a moving slider (9) is provided at the push shaft end of the hydraulic cylinder (8), a hydraulic cylinder is provided at the front center of the moving slider (9), a matching mounting block (17) is provided at the push shaft end of the hydraulic cylinder on the front of the moving slider (9), a motor is provided inside the matching mounting block (17), and a grinding head (11) is matched with the rotating shaft of the motor.

2. A high-precision six-axis small grinding head according to claim 1, characterized in that: The bottom base (6) of the grinding head mechanism is an isosceles trapezoid, a thread groove is horizontally arranged inside the bottom base (6) of the grinding head mechanism, and a screw rod is arranged inside the thread groove.

3. The high-precision six-axis small grinding head according to claim 1, characterized in that: Two stabilizing limit rods (16) are symmetrically arranged at the bottom of the grinding head bracket (2); the stabilizing limit rods (16) and the grinding head bracket (2) are an integral structure; the stabilizing limit rods (16) are installed in cooperation with the stabilizing limit rod installation grooves inside the column (5); a positioning groove (4) is arranged at the center of the interior of the grinding head bracket (2); and the positioning groove (4) is arranged at the center of all grinding head installation track grooves (7).

4. The high-precision six-axis small grinding head according to claim 1, characterized in that: Anti-sliding block installation grooves are symmetrically arranged on both sides of the interior of the movable sliding block (9), an anti-sliding block (12) is arranged inside the anti-sliding block installation groove, two micro hydraulic cylinders (14) are symmetrically arranged on one side of the anti-sliding block (12), the micro hydraulic cylinders (14) are fixedly connected to the movable sliding block (9), the anti-sliding block (12) is installed in a telescopic manner, the push shaft of the micro hydraulic cylinder (14) is fixedly installed on one side surface of the anti-sliding block (12), a hydraulic cylinder installation groove (13) is arranged at the center of the front face of the movable sliding block (9), and a hydraulic cylinder is arranged inside the hydraulic cylinder installation groove (13).

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