A CNC grinding head

By introducing an emergency braking mechanism of brake sensor and rubber ring into the CNC grinding head, the problem of excessive grinding of the grinding head is solved, and the service life of the grinding head and the operator's user experience are improved through the design of the two-way grinding head.

CN222741155UActive Publication Date: 2025-04-11ANHUI KANGJIANG TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202421543270.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-02
Publication Date
2025-04-11
Estimated Expiration
2034-07-02

AI Technical Summary

Technical Problem

During use, existing CNC grinding heads are prone to excessively polishing due to program or operational errors, resulting in equipment accidents; and grinding heads can only be used from one end, which can cause wear and tear for too long, and multiple grinding heads are required to store, which affects the operator's user experience.

Method used

A CNC grinding head is designed, including a grinding head motor, brake device, ratchet chuck, brake sensor, soft metal connecting rod and rubber ring. When the brake sensor collides with the polishing material through the brake sensor, the rubber ring uses impact force to perform emergency braking to prevent excessive grinding. In addition, a bidirectional grinding head design can be used for both grinding and rotating holes. When one end is damaged, the other end can be used to continue working.

Benefits of technology

It effectively prevents equipment accidents caused by excessive grinding, improves the operator's experience, and extends the service life of the grinding head through the design of the two-way grinding head, reducing the need to store a variety of grinding heads.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of CNC grinding heads, and discloses a CNC grinding head, comprising a grinding head motor, the bottom of the grinding head motor is fixedly connected to a braking device, the bottom of the braking device is provided with a ratchet chuck, the bottom of the ratchet chuck is fixedly connected to a braking sensor, the inside of the braking sensor is movably sleeved with a soft metal connecting rod, the bottom of the soft metal connecting rod is fixedly connected to a rubber ring, a bidirectional grinding head is provided inside the rubber ring, a grinding head fixing groove is provided outside the bidirectional grinding head, one end of the bidirectional grinding head is fixedly connected to the grinding head, and the other end of the bidirectional grinding head is fixedly connected to a rotary head; the utility model is provided with a braking sensor, so that when the grinding head is ground too deeply and the braking sensor collides with the grinding material, the rubber ring connected to the soft metal connecting rod can feedback the impact force generated by the collision, thereby performing emergency braking, thereby effectively optimizing the operator's use experience.
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Description

Technical Field

[0001] The utility model relates to the technical field of grinding heads, and more specifically to a CNC grinding head. Background Art

[0002] CNC grinding head is a kind of diamond blade, also called electroplated diamond grinding head, which is mainly used on the most popular touch screen glass, that is, the cover glass of smartphones and tablets, etc., mainly used for drilling, milling, grinding and chamfering of such glass. The specific service life depends on the thickness and hardness of the glass, as well as the type of grinding head.

[0003] In daily use, the existing CNC grinding head may rotate too deeply due to program or operator error, causing accidents between the equipment and the grinding equipment, thereby affecting the operator's experience.

[0004] In daily use, the existing CNC grinding heads can usually only be used at one end, and the grinding heads will be worn out due to long-term use, or the operator needs to store multiple grinding heads according to grinding needs, which greatly affects the operator's experience. Utility Model Content

[0005] In order to overcome the above defects of the prior art, the utility model provides a CNC grinding head to solve the problems existing in the above background technology.

[0006] The utility model provides the following technical solutions: a CNC grinding head, including a grinding head motor, the bottom of the grinding head motor is fixedly connected to a braking device, the bottom of the braking device is provided with a ratchet chuck, the bottom of the ratchet chuck is fixedly connected to a brake sensor, the inside of the brake sensor is movably sleeved with a soft metal connecting rod, the bottom of the soft metal connecting rod is fixedly connected to a rubber ring, the grinding head is fixedly installed by the ratchet chuck of the braking device, when the grinding head is too deep and causes the brake sensor to collide with the grinding material, the rubber ring connected to the soft metal connecting rod can be affected by the impact generated by the collision The force is fed back to perform emergency braking, thereby effectively optimizing the operator's usage experience. A bidirectional grinding head is arranged inside the rubber ring, and a grinding head fixing groove is arranged outside the bidirectional grinding head. One end of the bidirectional grinding head is fixedly connected to the grinding head, and the other end of the bidirectional grinding head is fixedly connected to the hole turning head. By installing a grinding head on one end of the bidirectional grinding head, it is convenient for the operator to control the grinding, and the hole turning head is installed on the other end, which is conducive to convenient operation for hole turning. When one end of the bidirectional grinding head is damaged, the operator can use the other end to continue using it, which effectively improves the operator's usage experience.

[0007] Furthermore, a brake rubber movable groove is provided inside the brake device, the inside of the brake rubber movable groove is fixedly connected to a spring sleeve column, and the outside of the spring sleeve column is movably sleeved with a spring, which is conducive to providing power through the spring.

[0008] Furthermore, the outside of the spring is fixedly connected to a rubber brake pad, which is conducive to quickly stopping the rotation of the shaft through the friction between the rubber brake pad and the shaft. The top of the rubber brake pad is movably connected to a switch protrusion block, which is conducive to controlling the operation of the switch protrusion block through a trigger to control whether the rubber brake pad pops out.

[0009] Furthermore, the internal movable sleeve of the braking device is connected to the rotating connecting shaft, which is conducive to power transmission to drive the grinding head to operate.

[0010] Furthermore, a non-slip rubber pad is provided on the outside of the ratchet chuck, which facilitates the operator to rotate the ratchet chuck through the non-slip rubber pad to release or fix the grinding head.

[0011] Furthermore, the brake sensor is internally movably sleeved on a hole-expanding shaft, and the hole-expanding shaft is externally provided with hole-expanding rotation grooves, which are helpful in enhancing the hole-expanding effect.

[0012] Furthermore, a grinding head sleeve hole is provided inside the hole expansion shaft, and the grinding head sleeve hole can movably sleeve a bidirectional grinding head inside, which is convenient for an operator to insert or remove the grinding head through the grinding head sleeve hole.

[0013] Technical effects and advantages of the utility model:

[0014] 1. The utility model is provided with a brake sensor, which is conducive to fixing the grinding head through the ratchet chuck of the brake device. When the grinding head is ground too deeply and causes the brake sensor to collide with the grinding material, the rubber ring connected to the soft metal connecting rod can feedback the impact force generated by the collision, thereby performing emergency braking, thereby effectively optimizing the operator's experience.

[0015] 2. The utility model is provided with a bidirectional grinding head, which is convenient for the operator to control the grinding by installing a grinding head at one end of the bidirectional grinding head, and a hole turning head is installed at the other end, which is convenient for the operation of hole turning. When one end of the bidirectional grinding head is damaged, the operator can continue to use the other end, which effectively improves the operator's experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0017] Figure 2 This is a schematic diagram of the structure of the braking device of the utility model.

[0018] Figure 3 This is a schematic diagram of the brake sensor structure of the utility model.

[0019] Figure 4 It is a schematic diagram of the bidirectional grinding head structure of the utility model.

[0020] The accompanying drawings are marked as follows: 1. grinding head motor; 2. braking device; 3. ratchet chuck; 4. braking sensor; 5. soft metal connecting rod; 6. rubber ring; 7. bidirectional grinding head; 8. grinding head fixing groove; 9. grinding head; 10. hole turning head; 101. brake rubber movable groove; 102. spring sleeve column; 103. spring; 104. rubber brake pad; 105. switch protrusion block; 106. hole expanding shaft; 107. hole expanding rotating pattern; 108. rotating connecting shaft; 109. anti-slip rubber pad; 110. grinding head socket hole. DETAILED DESCRIPTION

[0021] The technical solution of the present invention will be clearly and completely described below in conjunction with the drawings in the present invention. In addition, the forms of the various structures recorded in the following embodiments are merely illustrative, and the CNC grinding head involved in the present invention is not limited to the various structures recorded in the following embodiments. All other embodiments obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the present invention.

[0022] Reference Figure 1-4 The utility model provides a CNC grinding head, including a grinding head motor 1, the bottom of the grinding head motor 1 is fixedly connected to a brake device 2, the bottom of the brake device 2 is provided with a ratchet chuck 3, the bottom of the ratchet chuck 3 is fixedly connected to a brake sensor 4, the inside of the brake sensor 4 is movably sleeved with a soft metal connecting rod 5, the bottom of the soft metal connecting rod 5 is fixedly connected to a rubber ring 6, the grinding head is fixedly installed on the ratchet chuck 3 of the brake device 2, when the grinding head is too deep and causes the brake sensor 4 to collide with the grinding material, the rubber ring 6 connected to the soft metal connecting rod 5 can be Feedback is provided to perform emergency braking, thereby effectively optimizing the operator's usage experience. A bidirectional grinding head 7 is provided inside the rubber ring 6, and a grinding head fixing groove 8 is provided outside the bidirectional grinding head 7. One end of the bidirectional grinding head 7 is fixedly connected to a grinding head 9, and the other end of the bidirectional grinding head 7 is fixedly connected to a hole turning head 10. By installing the grinding head 9 at one end of the bidirectional grinding head 7, it is convenient for the operator to control the grinding, and the hole turning head 10 is installed at the other end, which is conducive to convenient operation for hole turning. When one end of the bidirectional grinding head 7 is damaged, the operator can use the other end to continue using it, which effectively improves the operator's usage experience.

[0023] In a preferred embodiment, a brake rubber movable groove 101 is opened inside the brake device 2, the inside of the brake rubber movable groove 101 is fixedly connected to a spring sleeve column 102, and the outside of the spring sleeve column 102 is movably connected to a spring 103, which is conducive to providing power through the spring 103.

[0024] In a preferred embodiment, the outside of the spring 103 is fixedly connected to the rubber brake pad 104, which is conducive to quickly stopping the rotation of the rotating shaft through the friction between the rubber brake pad 104 and the rotating shaft. The top of the rubber brake pad 104 is movably connected to the switch protrusion block 105, which is conducive to controlling the operation of the switch protrusion block 105 through a trigger to control whether the rubber brake pad 104 pops out.

[0025] In a preferred embodiment, the internal movable sleeve of the braking device 2 is connected to the rotating connecting shaft 108, which is conducive to power transmission to drive the grinding head to operate.

[0026] In a preferred embodiment, a non-slip rubber pad 109 is provided on the outside of the ratchet chuck 3, which facilitates the operator to rotate the ratchet chuck 3 through the non-slip rubber pad 109 to release or fix the grinding head.

[0027] In a preferred embodiment, the brake sensor 4 is internally movably sleeved with the hole-expanding shaft 106, and the hole-expanding shaft 106 is externally provided with a hole-expanding rotation pattern 107, which is helpful to enhance the hole-expanding effect.

[0028] In a preferred embodiment, a grinding head socket hole 110 is opened inside the hole expansion shaft 106, and the grinding head socket hole 110 can movably socket the bidirectional grinding head 7 inside, which is convenient for the operator to insert or remove the grinding head through the grinding head socket hole 110.

[0029] The working principle of the utility model is as follows: a CNC grinding head comprises a grinding head motor 1, the bottom of the grinding head motor 1 is fixedly connected to a brake device 2, the bottom of the brake device 2 is provided with a ratchet chuck 3, the bottom of the ratchet chuck 3 is fixedly connected to a brake sensor 4, the internal movable sleeve of the brake sensor 4 is connected to a soft metal connecting rod 5, the bottom of the soft metal connecting rod 5 is fixedly connected to a rubber ring 6, the grinding head is fixedly installed on the ratchet chuck 3 of the brake device 2, when the grinding head is too deep and causes the brake sensor 4 to collide with the grinding material, the rubber ring 6 connected to the soft metal connecting rod 5 can feedback the impact force generated by the collision, thereby Emergency braking is performed, thereby effectively optimizing the operator's experience of use. A two-way grinding head 7 is arranged inside the rubber ring 6, and a grinding head fixing groove 8 is arranged outside the two-way grinding head 7. One end of the two-way grinding head 7 is fixedly connected to a grinding head 9, and the other end of the two-way grinding head 7 is fixedly connected to a hole turning head 10. By installing the grinding head 9 at one end of the two-way grinding head 7, it is convenient for the operator to control the grinding, and the hole turning head 10 is installed at the other end, which is conducive to convenient operation for hole turning. When one end of the two-way grinding head 7 is damaged, the operator can use the other end to continue using it, which effectively improves the operator's experience of use. A brake rubber is arranged inside the brake device 2 The movable groove 101, the interior of the brake rubber movable groove 101 is fixedly connected to the spring sleeve column 102, the outer movably sleeved spring 103 of the spring sleeve column 102 is conducive to providing power through the spring 103, the outer fixedly connected rubber brake pad 104 of the spring 103 is conducive to quickly stopping the rotation of the shaft through the friction between the rubber brake pad 104 and the shaft, the top of the rubber brake pad 104 is movably connected to the switch protrusion block 105, which is conducive to controlling the operation of the switch protrusion block 105 through the trigger to control whether the rubber brake pad 104 pops out, and the inner movably sleeved rotating connecting shaft 108 of the brake device 2 is conducive to dynamic Force transmission is used to drive the grinding head to run. The outside of the ratchet chuck 3 is provided with a non-slip rubber pad 109, which is conducive to the operator turning the ratchet chuck 3 through the non-slip rubber pad 109 to facilitate the operator to send out or fix the grinding head. The internal movably sleeved expansion shaft 106 of the brake sensor 4, and the outside of the expansion shaft 106 is provided with an expansion rotation pattern 107. The expansion rotation pattern 107 is conducive to enhancing the expansion effect. The inside of the expansion shaft 106 is provided with a grinding head sleeve hole 110, and the inside of the grinding head sleeve hole 110 is movably sleeved with the bidirectional grinding head 7, which is conducive to the operator inserting or pulling out the grinding head through the grinding head sleeve hole 110.

[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.

[0031] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which may refer to mechanical connection or electrical connection, or internal communication between two components, or direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;

[0032] Secondly: In the drawings of the embodiments disclosed in the present utility model, only the structures related to the embodiments disclosed in the present utility model are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;

[0033] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A CNC grinding head, comprising a grinding head motor (1), characterized in that: The bottom of the grinding head motor (1) is fixedly connected to the braking device (2), the bottom of the braking device (2) is provided with a ratchet chuck (3), the bottom of the ratchet chuck (3) is fixedly connected to the braking sensor (4), the inside of the braking sensor (4) is movably connected to a soft metal connecting rod (5), the bottom of the soft metal connecting rod (5) is fixedly connected to a rubber ring (6), the inside of the rubber ring (6) is provided with a bidirectional grinding head (7), the outside of the bidirectional grinding head (7) is provided with a grinding head fixing groove (8), one end of the bidirectional grinding head (7) is fixedly connected to a grinding head (9), and the other end of the bidirectional grinding head (7) is fixedly connected to a rotary hole head (10).

2. A CNC grinding head according to claim 1, characterized in that: A brake rubber movable groove (101) is provided inside the brake device (2), the inside of the brake rubber movable groove (101) is fixedly connected to a spring sleeve column (102), and the outside of the spring sleeve column (102) is movably sleeved with a spring (103).

3. A CNC grinding head according to claim 2, characterized in that: The outside of the spring (103) is fixedly connected to a rubber brake pad (104), and the top of the rubber brake pad (104) is movably connected to a switch protrusion block (105).

4. A CNC grinding head according to claim 1, characterized in that: The brake device (2) is internally movable sleeved with a rotating connecting shaft (108).

5. The CNC grinding head according to claim 1, characterized in that: An anti-skid rubber pad (109) is provided on the outside of the ratchet chuck (3).

6. A CNC grinding head according to claim 1, characterized in that: The brake sensor (4) is internally movably sleeved with a hole-expanding rotating shaft (106), and the hole-expanding rotating shaft (106) is externally provided with a hole-expanding rotating groove (107).

7. A CNC grinding head according to claim 6, characterized in that: A grinding head sleeve hole (110) is provided inside the hole-expanding rotating shaft (106), and a bidirectional grinding head (7) is movably sleeved inside the grinding head sleeve hole (110).