Polishing head device with buffering function

Abstract

The utility model discloses a polishing head device with a buffering function, which belongs to the technical field of polishing heads and comprises a connecting rod, a sleeve is arranged on the surface of the lower end of the connecting rod, a buffering component is arranged on the outer surface of the sleeve, a blind hole is formed in the sleeve, a polishing head is arranged in the blind hole, and a protection component is arranged on the surface of the polishing head. According to the polishing head, the buffering assembly is arranged, the buffering plate is installed on the outer surface of the sleeve, the damping rod between the buffering plate and the installation ring is matched with the buffering spring to absorb vibration, and therefore the good buffering and damping effect is achieved, and the polishing head is more stable when used; the buffering sponge pads on the surfaces of the balls can be used for further buffering; the protection assembly is arranged, the protection cylinder is fixed to the lower end of the sleeve in a threaded mode, so that the polishing head is shielded and protected, the water absorption cotton in the protection cylinder can achieve the dehumidification and drying effects, the polishing head can be prevented from being polluted and damaged, and safety is higher.

Description

Technical Field

[0001] The utility model belongs to the technical field of grinding heads, and in particular relates to a grinding head device with a buffer. Background Art

[0002] Grinding is a type of surface modification technology. It generally refers to a processing method that uses rough objects such as sandpaper containing higher hardness particles to change the physical properties of the material surface through friction. The main purpose is to obtain a specific surface roughness.

[0003] Chinese patent application No. 202220667162.0 discloses a detachable grinding head device, including a connecting rod, a spring, a sleeve and a grinding head, wherein the upper end of the grinding head is installed in the bottom blind hole of the connecting rod; the connecting rod is arranged inside the sleeve and moves up and down inside the sleeve; the spring is arranged inside the sleeve and connected to the connecting rod. The utility model improves the existing grinding head device, changes the integrated structure into a split structure, optimizes the matching tolerance, and ensures the concentricity between the grinding head and the connecting rod while ensuring the convenience of replacement.

[0004] In the above-mentioned patent disclosure, 1. the grinding head rotates at high speed when grinding an object, which will produce large vibrations; 2. the tip of the grinding head needs to be covered when not in use to prevent it from rusting or scratching other objects. Utility Model Content

[0005] In order to solve the problems raised in the above background technology, the utility model provides a grinding head device with a buffer, which has the characteristics of good buffering effect and good protection effect.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a grinding head device with a buffer, comprising a connecting rod, a sleeve is provided on the lower end surface of the connecting rod, a buffer assembly is provided on the outer surface of the sleeve, a blind hole is provided inside the sleeve, a grinding head is provided inside the blind hole, a protective assembly is provided on the surface of the grinding head, and a spring is provided between the connecting rod and the sleeve.

[0007] Preferably, the buffer assembly includes a mounting ring, a damping rod, a buffer spring and a buffer plate, wherein a mounting ring is arranged on the outside of the sleeve, a buffer plate is arranged on the surface of the sleeve, a plurality of damping rods are arranged between the mounting ring and the buffer plate, and a buffer spring is arranged on the surface of the damping rod.

[0008] Preferably, the buffer assembly further comprises a buffer sponge pad and balls, wherein a plurality of balls are arranged inside the buffer plate close to the sleeve, and a buffer sponge pad is arranged on the surface of the balls.

[0009] Preferably, a guide shield is provided between the mounting ring and the buffer plate and outside the buffer spring, and the guide shield is configured as a telescopic structure.

[0010] Preferably, the protective assembly includes a protective tube, a protective groove and a threaded ring, wherein a protective tube is provided on the surface of the grinding head, a protective groove is provided inside the protective tube, and a threaded ring is provided at the upper end of the protective groove.

[0011] Preferably, the protection component also includes absorbent cotton and a connecting plate, wherein a connecting plate is provided at the lower end of the interior of the protection groove, and absorbent cotton is provided on the surface of the connecting plate.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The utility model is provided with a buffer assembly, so that a buffer plate is installed on the outer surface of the sleeve. The damping rod and the buffer spring between the sleeve and the mounting ring can absorb vibration, thereby achieving a good buffering and shock absorbing effect, making the grinding head more stable when in use, and the buffer sponge pad on the surface of the ball can further provide buffering.

[0014] 2. The utility model is provided with a protection component, so that the protection tube is threadedly fixed at the lower end of the sleeve, so as to shield and protect the grinding head. The absorbent cotton inside can have a dehumidifying and drying effect, thereby preventing the grinding head from being contaminated and damaged, and having higher safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional diagram of the utility model;

[0016] Figure 2 It is the front view of the utility model;

[0017] Figure 3 For this utility model Figure 2 A magnified image of point A;

[0018] Figure 4 This is the front view of the protection component of the utility model;

[0019] In the figure: 1. connecting rod; 2. sleeve; 3. buffer assembly; 31. mounting ring; 32. damping rod; 33. buffer spring; 34. buffer plate; 35. buffer sponge pad; 36. ball; 37. guide protective cover; 4. protection assembly; 41. protection tube; 42. absorbent cotton; 43. connecting plate; 44. protection groove; 45. threaded ring; 5. spring; 6. blind hole; 7. grinding head. DETAILED DESCRIPTION

[0020] 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.

[0021] Example 1

[0022] See also Figure 1-4 The utility model provides the following technical solutions: a grinding head device with a buffer, comprising a connecting rod 1, a sleeve 2 is arranged on the lower end surface of the connecting rod 1, a buffer component 3 is arranged on the outer surface of the sleeve 2, a blind hole 6 is arranged inside the sleeve 2, a grinding head 7 is arranged inside the blind hole 6, a protective component 4 is arranged on the surface of the grinding head 7, and a spring 5 is arranged between the connecting rod 1 and the sleeve 2.

[0023] Specifically, the buffer assembly 3 includes a mounting ring 31, a damping rod 32, a buffer spring 33 and a buffer plate 34, wherein the mounting ring 31 is arranged on the outer side of the sleeve 2, the buffer plate 34 is arranged on the surface of the sleeve 2, a plurality of damping rods 32 are arranged between the mounting ring 31 and the buffer plate 34, and the surface of the damping rod 32 is provided with a buffer spring 33.

[0024] By adopting the above technical solution, the mounting ring 31 is fixed on the surface of the grinder, the sleeve 2 generates vibration when the connecting rod 1 rotates, the buffer plate 34 transmits the vibration, and the damping rod 32 cooperates with the buffer spring 33 to absorb the vibration, thereby achieving a good buffering effect.

[0025] Specifically, the buffer assembly 3 further includes a buffer sponge pad 35 and a ball 36, wherein a plurality of balls 36 are arranged inside the buffer plate 34 close to the sleeve 2, and a buffer sponge pad 35 is arranged on the surface of the ball 36.

[0026] By adopting the above technical solution, when the sleeve 2 rotates, the ball 36 rotates to reduce friction, and the buffer sponge pad 35 can further achieve a shock-absorbing effect.

[0027] Specifically, a guide shield 37 is provided between the mounting ring 31 and the buffer plate 34 and outside the buffer spring 33. The guide shield 37 is a telescopic structure.

[0028] By adopting the above technical solution, the telescopic guide protective cover 37 can buffer and guide the buffer spring 33, making it less likely to be contaminated and damaged.

[0029] When this embodiment is used, the grinding head 7 is inserted into the blind hole 6 in the connecting rod 1, and the spring 5 can make the clearance between the connecting rod 1 and the sleeve 2 fit. The grinding sandpaper is fixed on the surface of the grinding head 7, and the grinder is started, so that the connecting rod 1 drives the grinding head 7 to rotate, so that it can be convenient to grind objects, and the mounting ring 31 is fixed on the surface of the grinder. When the sleeve 2 rotates, the connecting rod 1 generates vibration, and the buffer plate 34 transmits the vibration. The damping rod 32 and the buffer spring 33 can absorb the vibration, thereby achieving a good buffering effect. The telescopic guide protective cover 37 can buffer and guide the buffer spring 33, making it not easy to be contaminated and damaged. When the sleeve 2 rotates, the ball 36 rotates to reduce friction, and the buffer sponge pad 35 can further achieve a shock-absorbing effect.

[0030] Example 2

[0031] The present embodiment is different from the embodiment 1 in that the protection assembly 4 includes a protection tube 41, a protection groove 44 and a threaded ring 45, wherein the surface of the grinding head 7 is provided with the protection tube 41, the protection groove 44 is provided inside the protection tube 41, and the upper end of the protection groove 44 is provided with a threaded ring 45.

[0032] By adopting the above technical solution, when the grinding head 7 is not in use, the protective tube 41 is sleeved on its surface, and the threaded ring 45 in the protective groove 44 engages with the sleeve 2, so that the protective tube 41 can be fixed, so that it has a good protective effect on the grinding head 7 and is safer.

[0033] Specifically, the protection component 4 further includes absorbent cotton 42 and a connecting plate 43, wherein the connecting plate 43 is arranged at the lower end of the protection groove 44, and the absorbent cotton 42 is arranged on the surface of the connecting plate 43.

[0034] By adopting the above technical solution, the absorbent cotton 42 is installed in the protective tube 41 through the connecting plate 43, which can absorb moisture in the air, thereby preventing the grinding head 7 from rusting.

[0035] When this embodiment is in use, when the grinding head 7 is not in use, the protective tube 41 is sleeved on its surface, and the threaded ring 45 in the protective groove 44 engages with the sleeve 2, which can fix the protective tube 41, so that it can provide good protection for the grinding head 7 and provide higher safety. The absorbent cotton 42 is installed in the protective tube 41 through the connecting plate 43, which can absorb moisture in the air, thereby preventing the grinding head 7 from rusting.

[0036] The working principle and use process of the utility model are as follows: when the utility model is used, the grinding head 7 is inserted into the blind hole 6 in the connecting rod 1, the spring 5 can make the clearance between the connecting rod 1 and the sleeve 2 match, the grinding sandpaper is fixed on the surface of the grinding head 7, the grinding machine is started, the connecting rod 1 drives the grinding head 7 to rotate, so that it can grind objects conveniently, the mounting ring 31 is fixed on the surface of the grinding machine, the sleeve 2 generates vibration when the connecting rod 1 rotates, the buffer plate 34 transmits the vibration, the damping rod 32 cooperates with the buffer spring 33 to absorb the vibration, thereby achieving a good buffering effect, and the telescopic guide anti-friction The protective cover 37 can buffer and guide the buffer spring 33, making it less likely to be contaminated and damaged. When the sleeve 2 rotates, the rotation of the ball 36 can reduce friction, and the buffer sponge pad 35 can further achieve a shock-absorbing effect. When the grinding head 7 is not in use, the protective tube 41 is sleeved on its surface, and the threaded ring 45 in the protective groove 44 engages with the sleeve 2 to fix the protective tube 41, so that it has a good protective effect on the grinding head 7 and is safer. The absorbent cotton 42 is installed in the protective tube 41 through the connecting plate 43, which can absorb moisture in the air, thereby preventing the grinding head 7 from rusting.

[0037] 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 grinding head device with a buffer, comprising a connecting rod, characterized in that: The lower end surface of the connecting rod is provided with a sleeve, the outer surface of the sleeve is provided with a buffer component, the interior of the sleeve is provided with a blind hole, the interior of the blind hole is provided with a grinding head, the surface of the grinding head is provided with a protective component, and a spring is provided between the connecting rod and the sleeve; The buffer assembly comprises a mounting ring, a damping rod, a buffer spring and a buffer plate, wherein a mounting ring is arranged on the outside of the sleeve, a buffer plate is arranged on the surface of the sleeve, a plurality of damping rods are arranged between the mounting ring and the buffer plate, and a buffer spring is arranged on the surface of the damping rod; The protection component includes a protection tube, a protection groove and a threaded ring, wherein a protection tube is arranged on the surface of the grinding head, a protection groove is arranged inside the protection tube, and a threaded ring is arranged at the upper end of the protection groove.

2. A buffered grinding head device according to claim 1, characterized in that: The buffer assembly also includes a buffer sponge pad and balls, wherein a plurality of balls are arranged inside the buffer plate close to the sleeve, and a buffer sponge pad is arranged on the surface of the balls.

3. A buffered grinding head device according to claim 1, characterized in that: A guide shield is arranged between the mounting ring and the buffer plate and outside the buffer spring, and the guide shield is arranged as a telescopic structure.

4. A buffered grinding head device according to claim 1, characterized in that: The protection component also includes absorbent cotton and a connecting plate, wherein the connecting plate is arranged at the lower end of the protection groove, and the surface of the connecting plate is provided with absorbent cotton.

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