Small universal frequency grinding device

Abstract

The utility model discloses a small universal frequency grinding device, which belongs to the technical field of grinding devices, and comprises a base and an upper translation plate, the base is connected with the upper translation plate through four groups of universal telescopic mechanisms, a bracket is fixed at the front part of the base, a driving mechanism is arranged on the bracket, and the upper translation plate is connected with the lower translation plate through the universal telescopic mechanisms. The output end of the driving mechanism is connected with an eccentric sleeve, a transmission rod is detachably fixed to the front portion of the upper translation plate, the lower end of the transmission rod is arranged in an eccentric hole of the eccentric sleeve in a sliding mode, and a grinding bin is detachably fixed to the rear portion of the upper translation plate. When the grinding machine operates, the grinding bin performs revolution motion and up-down reciprocating mechanical vibration, and generated centrifugal force, upward throwing force and gravity act on grinding carborundum abrasive particles and small-sized process workpieces, so that the grinding carborundum abrasive particles and the small-sized process workpieces generate mutual friction and extrusion motion, and efficient grinding and polishing of the small-sized process workpieces are realized.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of grinding device, especially, relate to a small universal frequency motion grinding device. BACKGROUND

[0002] The product surface of the existing small handicraft processing piece, especially the product surface of the product printed by the new manufacturing process technology additive manufacturing method FDM, is rough, and a fine polishing surface cannot be formed for handicraft display and sales.

[0003] Small handicraft grinding and polishing equipment is mainly manually operated, and the existing small polishing equipment uses self-rotation centrifugal force for grinding and polishing. The abrasive particles and small handicrafts are attached to the inner wall of the cavity and rotate together due to the action of the centrifugal force, resulting in poor grinding effect. Some have blocking blocks to overcome the rotation, but the impact causes surface damage to the small handicrafts. Therefore, a small universal frequency motion grinding device is needed to solve the problems in the prior art. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a small universal frequency motion grinding device to solve the problems in the prior art.

[0005] To achieve the above utility model purposes, the utility model adopts the following technical scheme:

[0006] A small universal frequency motion grinding device comprises a base and an upper translational plate, the base and the upper translational plate are connected through four groups of universal telescopic mechanisms, a support is fixed to the front part of the base, a driving mechanism is arranged on the support, an eccentric sleeve is connected to the output end of the driving mechanism, a transmission rod is detachably fixed to the front part of the upper translational plate, the lower end of the transmission rod is slidably arranged in the eccentric hole of the eccentric sleeve, and a grinding bin is detachably fixed to the rear part of the upper translational plate.

[0007] Further, the universal telescopic mechanism comprises a first bearing seat and a second bearing seat, a spherical bearing is arranged in each of the first bearing seat and the second bearing seat, and an elastic telescopic shaft is arranged between the two spherical bearings.

[0008] Further, the elastic telescopic shaft comprises a lower shaft body and an upper shaft body, the upper shaft body is slidably sleeved on the sliding section of the lower shaft body, a spring is sleeved on the sliding section of the lower shaft body, one end of the spring is fixed to the step of the lower shaft body, and the other end of the spring is fixed to the end face of the upper shaft body.

[0009] Further, the driving mechanism comprises a box body, a bevel gear pair is arranged in the box body, a speed regulating motor is connected to the input end of the bevel gear pair, a threaded hole is formed in the side end of the eccentric sleeve, a jacking bolt is arranged in the threaded hole, and the eccentric sleeve is in transmission connection with the output end of the bevel gear pair through the jacking bolt.

[0010] Further, the eccentric sleeve is provided with a plurality of eccentric holes, and eccentric distances of the eccentric holes are different, and the upper translational plate is provided with a transmission rod mounting hole corresponding to the transmission rod mounting hole.

[0011] Further, the grinding bin comprises a columnar shell, a positioning plate is arranged on a top side of the columnar shell, a cover is arranged on the positioning plate, a through hole is arranged at a corner of the positioning plate, and the positioning plate is installed on the upper translational plate through fixing screws.

[0012] Compared with the prior art, the small universal frequency dynamic grinding device has the following advantages:

[0013] During operation, the grinding bin performs revolution motion and reciprocating mechanical vibration, centrifugal force, upward throwing force and gravity are generated, and the forces act on the grinding corundum abrasive grains and the small process workpiece, so that the small process workpiece is subjected to mutual friction and extrusion motion, and grinding and polishing work of the small process workpiece is realized.

[0014] The device has relatively small and simple structure, stable and reliable operation, and the grinding effect generated by revolution is better than the grinding effect generated by rotation, so that some disadvantages of the prior art grinding equipment using rotation centrifugal force for grinding are avoided, such as: the rotation centrifugal force causes the grinding corundum abrasive grains and the small process workpiece to follow the rotation of the inner wall of the grinding cavity, resulting in poor grinding effect, and the setting of the stop block causes damage to the small process workpiece due to impact, and affects the grinding and polishing effect.

[0015] The grinding bin of the device can be conveniently disassembled for type selection and replacement of the grinding corundum abrasive grains, so that different surface qualities are generated for different material hardness workpieces.

[0016] The device is driven by a speed regulating motor, the rotating speed is controllable and adjustable, the processing time is long or short, and the grinding effect and strength can be controlled through speed adjustment and operation time adjustment. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed in the following embodiment or prior art description will be briefly introduced. Obviously, the drawings in the following description are only embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor on the basis of the provided drawings.

[0018] Figure 1 It is an isometric view of the present application;

[0019] Figure 2 It is an exploded view of the present application;

[0020] Figure 3The front view of the utility model;

[0021] Figure 4 The side view of the utility model;

[0022] Figure 5 The plan view of the utility model.

[0023] In the figure: 1-base, 2-upper translational plate, 3-support, 4-eccentric sleeve, 5-transmission rod, 6-eccentric hole, 7-grinding bin, 8-first bearing seat, 9-second bearing seat, 10-spherical bearing, 11-lower shaft body, 12-upper shaft body, 13-spring, 14-box, 15-speed regulation motor, 16-tightening bolt, 17-cylindrical shell, 18-positioning plate, 19-lid, 20-fixing screw. DETAILED DESCRIPTION

[0024] The technical scheme of the utility model will be further described below in combination with the drawings and embodiments:

[0025] Reference Figures 1-5 As shown in the figure, the utility model provides a kind of small universal frequency motion grinding device, comprising: base 1 and upper translational plate 2, the base 1 is connected between upper translational plate 2 by four groups of universal telescopic mechanism, the front of base 1 is fixed with support 3, driving mechanism is provided on support 3, the output end of driving mechanism is connected with eccentric sleeve 4, the front of upper translational plate 2 is detachably fixed with transmission rod 5, the lower end of transmission rod 5 is slidably arranged in eccentric hole 6 of eccentric sleeve 4, the rear of upper translational plate 2 is detachably fixed with grinding bin 7.The universal telescopic mechanism includes: first bearing seat 8 and second bearing seat 9, spherical bearing 10 is mounted in the first bearing seat 8 and second bearing seat 9, elastic telescopic shaft is mounted between two spherical bearings 10.The elastic telescopic shaft includes lower shaft body 11 and upper shaft body 12, upper shaft body 12 is slidably sleeved on the sliding section of lower shaft body 11, spring 13 is sleeved on the sliding section of lower shaft body 11, one end of spring 13 is fixed on the step of lower shaft body 11, and the other end is fixed on the end face of upper shaft body 12.The utility model runs, and grinding bin 7 does revolution motion, reciprocating mechanical vibration up and down, centrifugal force, up-throwing force and gravity generated, act on grinding corundum abrasive and small process workpiece, so that it generates mutual friction extrusion movement, realizes the grinding and polishing work of small process workpiece, and the utility model structure is relatively small and simple, and it is stable and reliable in operation, and the grinding effect generated by revolution is better than that generated by rotation, to avoid some drawbacks of the grinding of existing grinding equipment using centrifugal force.

[0026] As a preferred embodiment, the driving mechanism comprises a box 14, a cone gear pair is arranged in the box 14, a speed regulating motor 15 is connected to an input end of the cone gear pair, a threaded hole is formed in a side end of the eccentric sleeve 4, a jacking bolt 16 is arranged in the threaded hole, and the eccentric sleeve 4 is in transmission connection with an output end of the cone gear pair through the jacking bolt 16. The device is driven by the speed regulating motor 15, the rotating speed is controllable and adjustable, the processing time is long or short, and the grinding effect and intensity can be controlled through the rotating speed adjustment and the running time adjustment.

[0027] As a preferred embodiment, a plurality of eccentric holes 6 are arranged on the eccentric sleeve 4, the eccentric distances of the eccentric holes 6 are different, and the upper translational plate 2 is provided with corresponding transmission rod mounting holes. The transmission rod 5 is adjusted into the eccentric holes 6 with different eccentric distances, so that the swing range of the grinding bin 7 is adjusted.

[0028] As a preferred embodiment, the grinding bin 7 comprises a columnar shell 17, a positioning plate 18 is arranged on a top of the columnar shell 17, a cover 19 is arranged on the positioning plate 18, a through hole is arranged at a corner of the positioning plate 18, and the positioning plate 18 is installed on the upper translational plate 2 through fixing screws 20. The grinding bin 7 of the device can be conveniently disassembled, the type of the grinding corundum abrasive is replaced, different material hardness processing pieces are corresponded, and different surface qualities are generated.

[0029] The working principle of the device is as follows:

[0030] When the grinding bin 7 works, the grinding corundum abrasive and the small process processing piece are arranged in the grinding bin 7, the gravity is applied to the upper translational plate 2, the bearing seat, the four spherical bearings 10 and the elastic telescopic shaft, the spring 13 is compressed and shrunk to make the grinding bin 7 descend, the grinding corundum abrasive and the small process processing piece are moved downward to rub each other, the grinding bin 7 is swung due to the centrifugal force, the spring 13 is compressed and shrunk, the spring 13 is elastically recovered, the grinding bin 7 is thrown upward, the grinding corundum abrasive and the small process processing piece are moved upward to rub each other. The upward and downward movement continuously occurs without interruption in the revolution of the grinding bin 7.

[0031] In the description of the present application, it should be noted that the terms "upper", "lower", and the like are used for indicating the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. Unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connecting" should be interpreted broadly, for example, can be fixed connection, can also be detachable connection, or integrally connected; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the internal communication of two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0032] It should be noted that in the present application, relational terms such as "first" and "second", and the like are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is any such actual relationship or order between these entities or operations. Moreover, the terms "comprising", "including" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus including a series of elements includes not only those elements, but also other elements not explicitly listed, or other elements inherent in such a process, method, article or apparatus. Without more limitations, the element defined by the statement "comprising a" does not exclude the presence of other identical elements in the process, method, article or apparatus including the element.

[0033] The above is only a specific embodiment of the present application, which enables those skilled in the art to understand or implement the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to these embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features applied herein.

Claims

1. A compact universal frequency motion polishing device, characterized by, The utility model relates to a kind of grinding machine, including: Base (1) and upper translational plate (2), the base (1) is connected with upper translational plate (2) by four groups of universal telescopic mechanism, the front of the base (1) is fixed with support (3), driving mechanism is provided on the support (3), the output end of the driving mechanism is connected with eccentric sleeve (4), the front of the upper translational plate (2) is detachably fixed with transmission rod (5), the lower end of the transmission rod (5) is slidably arranged in the eccentric hole (6) of eccentric sleeve (4), the rear of the upper translational plate (2) is detachably fixed with grinding bin (7).

2. A compact universal frexel device according to claim 1, wherein The universal telescopic mechanism includes: first bearing seat (8) and second bearing seat (9), the first bearing seat (8) and second bearing seat (9) are both mounted with spherical bearing (10), and elastic telescopic shaft is mounted between the two spherical bearings (10).

3. A compact universal frexel mill according to claim 2, wherein The elastic telescopic shaft includes lower shaft body (11) and upper shaft body (12), the upper shaft body (12) is slidably sleeved on the sliding section of lower shaft body (11), spring (13) is sleeved on the sliding section of lower shaft body (11), one end of the spring (13) is fixed on the step of lower shaft body (11), and the other end is fixed on the end face of upper shaft body (12).

4. The compact universal frexel mill according to claim 1, wherein The driving mechanism includes: box (14), the box (14) is provided with bevel gear pair, the input end of the bevel gear pair is connected with speed regulating motor (15), the side end of the eccentric sleeve (4) is provided with threaded hole, the threaded hole is provided with jacking bolt (16), the eccentric sleeve (4) is drivingly connected with the output end of bevel gear pair by jacking bolt (16).

5. The compact universal frexel mill according to claim 1, wherein The eccentric sleeve (4) is provided with a plurality of eccentric holes (6), and the eccentric distances of each eccentric hole (6) are different, the upper translational plate (2) is provided with corresponding transmission rod mounting hole.

6. A compact universal frexel device according to claim 1, wherein The grinding bin (7) includes: cylindrical shell (17), the top side of the cylindrical shell (17) is provided with positioning plate (18), the positioning plate (18) is provided with cover (19), one corner of the positioning plate (18) is provided with via, and the positioning plate (18) is installed on the upper translational plate (2) by fixed screw (20).

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