Direct-drive type polishing grinding head

Abstract

The utility model discloses a direct-drive type polishing grinding head which comprises a grinding head seat, a rotating main shaft, an eccentric cam, a bearing seat, a swing rod and a grinding block seat. The rotating main shaft is arranged in the grinding head seat, the eccentric cam sleeves the periphery of the rotating main shaft, the bearing seat sleeves the periphery of the eccentric cam, one end of the swing rod is in transmission connection with the outer wall of the bearing seat, and the other end of the swing rod is in transmission connection with the grinding block seat; when the rotating main shaft rotates, the eccentric cam drives the bearing seat to swing up and down, and then the swing rods are driven to swing, so that each swing rod independently drives the grinding block seat to swing left and right. The transmission mode of tooth meshing or roller driving is omitted, a direct driving mode is adopted, the multiple transmission handles of the bearing sleeve are directly connected with the swing rod in a transmission mode, the grinding block bases are driven independently, the problems of abrasion and looseness caused by gear transmission are completely avoided, the service life of the polishing grinding head is prolonged multiply, and the service life of the polishing grinding head is prolonged. And the operation stability of the grinding disc can be improved, the polishing effect is improved, and electricity and grinding materials are saved.

Description

Technical Field

[0001] The utility model relates to the technical field of ceramic processing equipment, in particular to a direct-drive polishing grinding head, which is used for surface polishing and grinding of materials such as ceramic tiles, marble, quartz stone, etc. Background Art

[0002] Ceramic polishing grinding heads play a vital role in the processing of ceramic products. They are used to further improve the surface accuracy after ceramic grinding. Soft elastic or viscoelastic tools and micro-powder abrasives are used to make the surface of the workpiece reach mirror finish. During the polishing process of the ceramic polishing grinding head, the transmission device drives the grinding disc to rotate, and then drives the grinding block seat on the grinding disc to rotate in a circle. At the same time, the grinding block seat swings left and right under the transmission action of the gear transmission device in the grinding disc, thereby performing multi-angle grinding and polishing on the surface of the material, such as revolution and left and right swing.

[0003] However, the swinging operation of the grinding block seat in the existing ceramic polishing grinding head is mainly driven by the meshing of gear teeth or the drive of rollers, and the three active swing rods respectively drive the three passive swing rods to swing, thereby driving the six grinding block seats to swing left and right. The existing ceramic polishing grinding head has the following defects: under this indirect transmission mode, the meshing gap between the active swing rod and the passive swing rod is large, and it wears quickly, resulting in looseness, which will cause scratches on the surface of the material, low cutting efficiency, power consumption, and abrasive consumption, and the service life of the polishing grinding head is also short. Utility Model Content

[0004] In order to overcome the shortcomings of the prior art, the purpose of the utility model is to provide a direct-drive polishing grinding head, which solves the defects of the prior art in that the processing effect of the material is poor, the transmission device of the polishing grinding head is greatly worn, and the service life is short.

[0005] The purpose of the utility model is achieved by adopting the following technical scheme: a direct-drive polishing grinding head, comprising a grinding head seat, a rotating spindle, an eccentric cam, a bearing seat, a rocker arm, and a grinding block seat; the rotating spindle is arranged in the grinding head seat, the eccentric cam is sleeved on the outer periphery of the rotating spindle, the bearing seat is sleeved on the outer periphery of the eccentric cam, one end of the rocker arm is transmission-connected to the outer wall of the bearing seat, and the other end is transmission-connected to the grinding block seat; when the rotating spindle rotates, the eccentric cam drives the bearing seat to swing up and down, and then drives the rocker arm to swing, so that each rocker arm drives the grinding block seat to swing left and right separately.

[0006] Optionally, a plurality of transmission handles are provided on the peripheral wall of the bearing seat, and the transmission handles are evenly distributed radially on the peripheral wall of the bearing seat.

[0007] Optionally, the number of the transmission handles corresponds to the number of the rocker rods and the grinding block seats, and each transmission handle is transmission-connected to the corresponding grinding block seat via a rocker rod.

[0008] Optionally, six transmission handles are provided on the peripheral wall of the bearing seat, and the six transmission handles are respectively connected to six swing rods, and each swing rod drives a grinding block seat to swing separately.

[0009] Optionally, the bearing seat is transmission connected to the rocker arm via a connecting pin and a rotating sleeve.

[0010] Optionally, the grinding block seat includes an L-shaped mounting plate, one end of the L-shaped mounting plate is fixedly connected to a rotating shaft, and the other end of the L-shaped mounting plate is a swing end.

[0011] Optionally, the direct-drive polishing grinding head further includes an abrasive, and the abrasive is mounted on the swing end of the L-shaped mounting plate.

[0012] Optionally, one end of the rocker arm connected to the grinding block seat is sleeved on the rotating shaft and is transmission-connected to the rotating shaft.

[0013] Optionally, a gear assembly is also sleeved on the rotating main shaft.

[0014] Optionally, the direct-drive polishing grinding head also includes a fixed cover.

[0015] Compared with the prior art, the beneficial effects of the present invention are:

[0016] (1) The present application designs multiple transmission handles of the bearing sleeve to be directly connected to the rocker transmission, and drives the grinding block seats separately, replacing the original three active rockers driving the three passive rockers to swing through gear meshing and rollers, thereby driving the six grinding block seats. The transmission method of gear meshing or roller driving is eliminated, and a direct drive method is adopted, which completely avoids the problems of wear and looseness caused by gear transmission, and also reduces the gap size by multiples, thereby extending the life of the polishing grinding head by multiples, and improving the stability of the grinding disc operation, improving the polishing effect, and saving electricity and abrasives, which is of great significance for promotion and application.

[0017] (2) The bearing seat of the present application is a six-handle bearing seat, that is, six transmission handles are fixed on its outer peripheral wall. Originally, three active swing rods drove three passive swing rods to move, resulting in large force on the passive swing rods, rapid wear and loosening. Now it is changed to a six-handle bearing seat, which is driven by six connecting pins and six rotating sleeves respectively, with small force, slow wear and reduced loosening phenomenon by multiples. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a bottom view of a direct-drive polishing grinding head according to a preferred embodiment of the utility model;

[0019] Figure 2 It is a cross-sectional schematic diagram of a direct-drive polishing grinding head according to a preferred embodiment of the utility model.

[0020] In the figure: 1. Grinding head seat; 2. Rotating main shaft; 3. Eccentric cam; 4. Bearing seat; 41. Transmission handle; 5. Rocker arm; 6. Grinding block seat; 61. L-shaped mounting plate; 7. Connecting pin; 8. Turning sleeve; 9. Rotating shaft; 10. Abrasive; 11. Gear assembly; 12. Fixed cover. DETAILED DESCRIPTION

[0021] The present invention is further described below in conjunction with the accompanying drawings and specific implementation methods. It should be noted that, under the premise of no conflict, the various embodiments or technical features described below can be arbitrarily combined to form a new embodiment.

[0022] like Figure 1-2 As shown, a direct-drive polishing grinding head comprises a grinding head seat 1, a rotating spindle 2, an eccentric cam 3, a bearing seat 4, a rocker arm 5 and a grinding block seat 6; the rotating spindle 2 is arranged in the grinding head seat 1, the eccentric cam is sleeved on the outer periphery of the rotating spindle, the bearing seat is sleeved on the outer periphery of the eccentric cam, one end of the rocker arm is transmission-connected with the outer wall of the bearing seat, and the other end is transmission-connected with the grinding block seat; when the rotating spindle rotates, the eccentric cam drives the bearing seat to swing up and down, and then drives the rocker arm to swing, so that each rocker arm separately drives the grinding block seat to swing left and right.

[0023] The present application designs multiple transmission handles of the bearing sleeve to be directly connected to the rocker arm transmission, and drives the grinding block seat separately, instead of the original three active rocker arms driving the three passive rocker arms to swing through tooth meshing and rollers, thereby driving the six grinding block seats. The transmission method of tooth meshing or roller driving is eliminated, and a direct drive method is adopted, which completely avoids the problems of wear and looseness caused by gear transmission, and reduces the gap size by multiples. It can not only extend the life of the polishing grinding head by multiples, but also improve the stability of the grinding disc operation, improve the polishing effect, save electricity and abrasives, and is of great significance for promotion and application.

[0024] As a further preferred solution, a plurality of transmission handles 41 are provided on the peripheral wall of the bearing seat, and the transmission handles are evenly distributed radially on the peripheral wall of the bearing seat.

[0025] As a further preferred solution, the number of the transmission handles corresponds to the number of the rocker rods and the grinding block seats, and each of the transmission handles is transmission-connected to the corresponding grinding block seat via a rocker rod.

[0026] As a further preferred solution, six transmission handles are provided on the peripheral wall of the bearing seat, and the six transmission handles are respectively connected to six swing rods, and each swing rod drives a grinding block seat to swing separately.

[0027] The bearing seat of the present application is a six-handle bearing seat, that is, six transmission handles are fixed on its outer peripheral wall. Originally, three active swing rods drove three passive swing rods to move, which resulted in large force on the passive swing rods, rapid wear and rapid loosening. Now, it is changed to a six-handle bearing seat, which is driven by six connecting pins and six rotating sleeves respectively, with small force, slow wear and multiple reduction of loosening phenomenon.

[0028] As a further preferred solution, the bearing seat is connected to the rocker arm through a connecting pin 7 and a rotating sleeve 8.

[0029] As a further preferred solution, the grinding block seat 6 comprises an L-shaped mounting plate 61, one end of the L-shaped mounting plate is fixedly connected to the rotating shaft 9, and the other end of the L-shaped mounting plate is a swing end.

[0030] As a further preferred embodiment, the direct-drive polishing grinding head further comprises an abrasive 10, which is mounted on the swing end of the L-shaped mounting plate.

[0031] As a further preferred solution, one end of the rocker arm connected to the grinding block seat is sleeved on the rotating shaft and is transmission-connected to the rotating shaft.

[0032] As a further preferred solution, a gear assembly 11 is also sleeved on the rotating main shaft.

[0033] As a further preferred solution, the direct-drive polishing grinding head further includes a fixed cover 12 .

[0034] The above-mentioned implementation modes are only preferred implementation modes of the present invention, and cannot be used to limit the protection scope of the present invention. Any non-substantial changes and substitutions made by technicians in this field on the basis of the present invention shall fall within the scope of protection required by the present invention.

Claims

1. A direct-drive polishing grinding head, characterized in that: It includes a grinding head seat, a rotating spindle, an eccentric cam, a bearing seat, a rocker arm, and a grinding block seat; the rotating spindle is arranged in the grinding head seat, the eccentric cam is sleeved on the outer circumference of the rotating spindle, the bearing seat is sleeved on the outer circumference of the eccentric cam, one end of the rocker arm is transmission-connected to the outer wall of the bearing seat, and the other end is transmission-connected to the grinding block seat; when the rotating spindle rotates, the eccentric cam drives the bearing seat to swing up and down, and then drives the rocker arm to swing, so that each rocker arm drives the grinding block seat to swing left and right separately.

2. The direct-drive polishing grinding head according to claim 1, characterized in that: A plurality of transmission handles are arranged on the peripheral wall of the bearing seat, and the transmission handles are evenly distributed on the peripheral wall of the bearing seat in a radial shape.

3. The direct-drive polishing grinding head according to claim 2, characterized in that: The number of the transmission handles corresponds to the number of the rocker rods and the grinding block seats, and each transmission handle is connected to the corresponding grinding block seat through a rocker rod.

4. The direct-drive polishing grinding head according to claim 2, characterized in that: Six transmission handles are arranged on the peripheral wall of the bearing seat, and the six transmission handles are respectively connected with six swing rods, and each swing rod drives a grinding block seat to swing separately.

5. The direct-drive polishing grinding head according to claim 2, characterized in that: The bearing seat is transmission connected with the rocker arm through a connecting pin and a rotating sleeve.

6. The direct-drive polishing grinding head according to claim 1, characterized in that: The grinding block seat comprises an L-shaped mounting plate, one end of the L-shaped mounting plate is fixedly connected to a rotating shaft, and the other end of the L-shaped mounting plate is a swing end.

7. The direct-drive polishing grinding head according to claim 6, characterized in that: The direct-drive polishing grinding head also includes an abrasive, which is mounted on the swing end of the L-shaped mounting plate.

8. The direct-drive polishing grinding head according to claim 6, characterized in that: One end of the swing rod connected to the grinding block seat is sleeved on the rotating shaft and is transmission-connected to the rotating shaft.

9. The direct-drive polishing grinding head according to claim 1, characterized in that: The rotating main shaft is also sleeved with a gear assembly.

10. The direct-drive polishing grinding head according to claim 1, characterized in that: The direct-drive polishing grinding head also includes a fixed cover.

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