CN216759379U - Coreless grinding machine capable of finely grinding - Google Patents

Abstract

The utility model belongs to the technical field of grinding equipment, and particularly relates to a coreless grinding machine capable of finely grinding, which comprises a plurality of foot frames and at least two clamp assemblies; each foot rest comprises a fixed sleeve, a supporting rod and a screw rod; the fixed sleeve is fixedly arranged at the same end of the support rod and the screw rod; the support rod penetrates through the nut of the screw rod; each clamp assembly comprises a plurality of connecting rods and a clamping piece, and one end of each connecting rod is rotatably connected with a nut of one lead screw; the other ends of the connecting rods are rotatably connected with the clamping piece; the two clamping pieces clamp and mount a workpiece. The workpiece with irregular shape and distorted surface is clamped and installed in the clamping piece, and the position and the swinging direction of the connecting rod can be changed by adjusting the position of the lead screw nut, so that the placing state of the workpiece in the clamping piece is changed, and the surface of the workpiece which is not easy to be ground is just opposite to the grinding tool, thereby effectively grinding the workpiece.

Description

Coreless grinding machine capable of finely grinding

Technical Field

The utility model belongs to the technical field of processing and grinding equipment, and particularly relates to a coreless grinding machine capable of finely grinding.

Background

The coreless grinding machine has the characteristics of continuous processing, no need of tool withdrawal, short copying time of clamping workpieces and the like, and high production efficiency. Compared with the center and the center frame mechanism of the common cylindrical grinding machine, the bracket and the guide wheel positioning mechanism have better supporting rigidity and larger cutting amount, are beneficial to processing slender shaft workpieces and are easy to realize high-speed grinding and powerful grinding. The work piece of the coreless grinding machine is positioned on the positioning mechanism by the excircle, the grinding amount is the allowance on the diameter of the work piece, so the influence of the abrasion of the grinding wheel, the compensation of the feeding mechanism and the repeated positioning precision error of the cutting mechanism on the diameter size precision of the part is only half of that of the common cylindrical grinding machine, a central hole does not need to be drilled, and the automatic feeding and discharging is easy to realize. The through mechanism of the wide grinding wheel coreless grinding machine can increase the machining allowance each time, can grind complex profiles in sequence or grind a plurality of grinding wheels during plunge grinding, and has high production efficiency and wide application range.

The coreless grinding machine has a good processing effect on a workpiece with a regular shape and a flat surface, but the existing coreless grinding machine is lack of a workpiece overturning structure, but for some workpieces with irregular shapes and distorted surfaces, the distorted parts of the workpieces are difficult to align with the grinding tool, so that the grinding tool is difficult to effectively grind every part of the surface of the workpiece.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a coreless grinding machine capable of finely grinding, and aims to solve the technical problem that the coreless grinding machine in the prior art is difficult to effectively grind the surface of a workpiece with an irregular shape and a distorted surface.

In order to achieve the above object, an embodiment of the present invention provides a coreless grinding machine capable of fine grinding, including a plurality of foot rests and a clamp assembly; the plurality of foot rests comprise fixed sleeves, supporting rods and screw rods; the fixed sleeve is fixedly arranged at the same end of the support rod and the screw rod; the support rod penetrates through a nut of the screw rod; the clamp assembly comprises a plurality of connecting rods and clamping pieces; one end of each connecting rod is rotatably connected with the nut of each lead screw; the other ends of the connecting rods are rotatably connected with the clamping piece.

Optionally, the connecting rod is hinged to the nut of the lead screw and the clamping member, respectively.

Optionally, the clamping member comprises a plurality of clamping plates; one side of the clamping plate is rotatably connected with one end of the connecting rod.

Optionally, the foot rest further comprises a motor fixing seat and a lead screw motor; the motor fixing seat is fixedly connected with the screw rod motor and sleeved at the bottom ends of the support rod and the screw rod; and an output shaft of the screw rod motor is fixedly connected with one end of the screw rod.

Optionally, the grinding device further comprises a moving assembly, a grinding tool assembly and a driving motor; the moving assembly is fixedly connected with the grinding tool assembly and the output shaft of the driving motor respectively.

Optionally, the grinding tool assembly comprises a connecting frame, a grinding wheel motor and a grinding drill; the connecting frame is fixedly connected with the moving assembly and is also fixedly connected with the grinding wheel motor and the grinding drill; and an output shaft of the grinding wheel motor is connected with the grinding wheel.

Optionally, the moving assembly comprises a lateral translation bracket, a slider, a threaded tube, a threaded rod; the transverse translation bracket is fixedly connected with the upper ends of the foot rests; the sliding block can be slidably arranged on the transverse translation bracket and is fixedly connected with the threaded pipe; the threaded pipe is sleeved on the screw rod; one end of the screw is fixedly connected with the output shaft of the driving motor, and the other end of the screw is fixedly connected with the connecting frame.

Optionally, a groove is formed in the surface of the translation bracket; one side surface of the sliding block is provided with a sliding convex part; the sliding protrusion is slidably fitted in the groove.

Optionally, a protective housing is also included; the upper side of the protection shell is provided with a plurality of exhaust fans.

Optionally, a waste collecting tank is arranged below the protection shell.

One or more technical solutions in the coreless grinding machine capable of fine grinding provided by the embodiment of the present invention at least have one of the following technical effects: the workpiece with irregular shape and distorted surface is clamped and installed in the clamping piece, and the position and the swinging direction of the connecting rod can be changed by adjusting the position of the lead screw nut up and down, so that the placing state of the workpiece in the clamping piece is changed, and the surface of the workpiece which is not easy to be ground is just opposite to the grinding tool, thereby effectively grinding the workpiece. In the process of grinding the workpiece, the vertical position of each screw rod nut is continuously adjusted to adjust the placement of the workpiece, so that all the surfaces of the workpiece can be effectively ground.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

FIG. 1 is a schematic structural diagram of a coreless grinding machine capable of fine grinding according to an embodiment of the present invention, with a protective housing hidden;

FIG. 2 is a schematic view of another perspective structure of a coreless grinding machine capable of fine grinding, with a protective housing hidden therein, according to an embodiment of the present invention;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 1;

fig. 4 is a schematic diagram illustrating an overall structure of a coreless grinding machine capable of performing fine grinding according to an embodiment of the present invention.

Wherein, in the figures, the respective reference numerals:

the grinding machine comprises a foot stool 100, a support rod 110, a screw rod 120, a screw rod nut 130, a clamp assembly 200, a connecting rod 210, a clamping piece 220, a clamping plate 221, a motor fixing seat 140, a screw rod motor 150, a moving assembly 300, a transverse translation bracket 310, a groove 311, a sliding block 320, a sliding convex part 321, a threaded pipe 330, a screw rod 340, a driving motor 350, a grinding tool assembly 400, a connecting frame 410, a grinding wheel 420, a grinding wheel motor 430, a grinding drill 440, a protective shell 500, a suction fan 510, a waste collecting tank 520 and a fixing sleeve 600.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be illustrative of the embodiments of the present invention, and should not be construed as limiting the utility model.

In the description of the embodiments of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings only for the convenience of describing the embodiments of the present invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the utility model.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. Specific meanings of the above terms in the embodiments of the present invention can be understood by those of ordinary skill in the art according to specific situations.

Referring to fig. 1 and 2, in some embodiments of the present invention, a coreless grinding machine capable of fine grinding is provided, including a plurality of foot stands 100 and a jig assembly 200. Each of the foot rests 100 includes a fixing sleeve 600, a support rod 110, a lead screw 120 and a lead screw nut 130. The screw rod 120 and the support rod 110 are arranged in parallel, and the fixing sleeve 600 is fixedly mounted at the same end of the support rod 110 and the screw rod 120. The support rod 110 and the lead screw 120 are movably arranged through the lead screw nut 130. The clamp assembly 200 includes a plurality of connecting rods 210 and a clamping member 220. One end of each of the plurality of connecting rods 210 is rotatably connected to the clamping member 220. The other ends of the plurality of connecting rods 210 are rotatably connected to one of the feed screw nuts 130, respectively. The two clamping pieces 220 are used for clamping and mounting a workpiece with an irregular shape and a twisted surface, and the position and the swinging direction of the connecting rod 210 can be changed by adjusting the positions of the screw rod nut 130 on the supporting rod 110 and the screw rod 120, so that the placing state of the workpiece in the clamping pieces 220 is changed, and the surface of the workpiece which is not easy to be ground is just opposite to a grinding tool, thereby effectively grinding the workpiece. In the process of grinding the workpiece, the vertical position of each screw nut 130 is continuously adjusted to adjust the placement of the workpiece, so that all the surfaces of the workpiece can be effectively ground.

Referring to fig. 1 and 2, in other embodiments of the present invention, the connecting rod 210 is hinged to the feed screw nut 130 and the clamping member 220, respectively.

Referring to fig. 1, in other embodiments of the present invention, the clamping member 220 includes a plurality of clamping plates 221. One side surfaces of the plurality of clamping plates 221 are rotatably connected with one end of the connecting rod 210. The workpieces to be processed are arranged between the clamping plates 221, and the clamping plates 221 are fixed together by the acting force from the connecting rod 210. For some workpieces to be processed which are irregular in shape and not easy to be clamped by the clamping plate 221, the workpieces to be processed can be fixedly welded on the clamping plate 221 and then ground. Specifically, in the present embodiment, the specific number of the clamping plates 221 is two.

Referring to fig. 1, in other embodiments of the present invention, the stand 100 further includes a motor holder 140 and a lead screw motor 150. The motor fixing base 140 is fixedly connected to the lead screw motor 150 and is sleeved at the bottom ends of the support rod 110 and the lead screw 120. An output shaft of the lead screw motor 150 is fixedly connected with one end of the lead screw 120. Specifically, the motor fixing base 140 and the screw motor 150 are both fixedly sleeved 600 at the lower end of the support rod 110. The lead screw motor 150 drives the lead screw 120 to rotate forward and backward, so as to control the nut of the lead screw to move up and down. The lead screw motor 150 is used for controlling the lead screw nut 130 to move, so that the labor intensity in the production process can be reduced, and the production efficiency can be improved.

Referring to fig. 1, in other embodiments of the present invention, a moving assembly 300, a grinder assembly 400, and a drive motor 350 are further included. The moving assembly 300 is fixedly connected to the grinding tool assembly 400 and the driving motor 350, respectively. The driving motor 350 drives the moving assembly 300 to move, so that the grinder assembly 400 moves transversely and longitudinally, and thus workpieces with different sizes can be ground.

Referring to fig. 2, in other embodiments of the present invention, the grinder assembly 400 includes a connecting frame 410, a grinding wheel 420, a grinding wheel motor 430, and an abrasive drill 440. The connecting frame 410 is fixedly connected to the moving assembly 300, and is further fixedly connected to the grinding wheel motor 430 and the grinding drill 440. An output shaft of the grinding wheel motor 430 is connected to the grinding wheel 420. In this embodiment, the grinding wheel 420 has a large grinding area, and is suitable for processing a flat surface of a workpiece to be processed or an edge of the workpiece. The drill of the grinding drill 440 has a small volume and is suitable for grinding a workpiece to be processed with an uneven surface or a through hole, a groove 311 and the like. The application range of the present invention is increased by providing the grinding wheel 420 and the grinding drill 440, and a person skilled in the art can select the grinding wheel 130 or the grinding drill 440 to perform grinding according to the specific shape, volume and processing requirement of the workpiece to be processed.

Referring to fig. 1, in other embodiments of the present invention, the moving assembly 300 includes a lateral translation bracket 310, a slider 320, a threaded tube 330, a threaded rod 340, and a drive motor 350. The horizontal translation bracket 310 is fixedly connected with the upper ends of the foot rests 100. The sliding block 320 is slidably mounted on the lateral translation bracket 310 and is fixedly connected with the threaded pipe 330. The threaded pipe 330 is sleeved on the screw 340. One end of the screw 340 is fixedly connected to the output shaft of the driving motor 350, and the other end is fixedly connected to the connecting frame 410. In this embodiment, when the sliding block 320 horizontally and transversely translates along the transverse translation bracket 310, the threaded tube 330 and the threaded rod 340 are driven to transversely translate, and further the grinding tool assembly 400 on the connecting frame 410 is driven to transversely translate. The driving motor controls the screw 340 to move up and down in the threaded pipe 330 longitudinally through forward and reverse rotation, and further controls the grinding tool assembly 400 connected and added to move up and down longitudinally.

Referring to fig. 1 and 3, in other embodiments of the present invention, the surface of the translation support is provided with a groove 311. A sliding protrusion 321 is provided on one side surface of the slider 320. The sliding protrusion 321 is slidably fitted in the groove 311. With respect to how the sliding block 320 can move transversely along the translation bracket, a person skilled in the art can also arrange a plurality of pulleys on the bottom surface of the sliding block 320, so that the sliding block 320 can move transversely along the translation bracket.

Referring to fig. 4, in other embodiments of the present invention, a protective housing 500 is further included. The upper side of the protective casing 500 is provided with a plurality of suction fans 510. A large amount of debris is generated during grinding of the workpiece. The protective housing 500 prevents the chips from being splashed outward, prevents the chips from hitting the body of the worker at hand, and protects the worker from the chips. The plurality of suction fans 510 can timely draw out hot air generated during grinding, and have the functions of heat dissipation and ventilation.

Referring to fig. 4, in other embodiments of the present invention, a waste collecting groove 520 is disposed below the protective housing 500. The garbage collection groove 520 can collect the chips generated during the grinding process of the mobile phone, so that the chips can be cleaned uniformly, and the cleanness of the periphery of the coreless grinding is ensured.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. A coreless grinding machine capable of finely grinding is characterized by comprising a plurality of foot frames and at least two clamp assemblies; each foot rest comprises a fixed sleeve, a supporting rod and a screw rod; the fixed sleeve is fixedly arranged at the same end of the support rod and the screw rod; the support rod penetrates through a nut of the screw rod; each clamp assembly comprises a plurality of connecting rods and a clamping piece, and one end of each connecting rod is rotatably connected with the nut of one lead screw; the other ends of the connecting rods are rotatably connected with the clamping piece; and the two clamping pieces are used for clamping and mounting a workpiece.

2. The coreless grinding machine capable of fine grinding of claim 1, wherein the connecting rod is hinged to the nut of the feed screw and the clamp, respectively.

3. The coreless grinder of claim 1 or 2, wherein the clamp includes a plurality of jaws; one side of the clamping plate is rotatably connected with one end of the connecting rod.

4. The coreless grinding machine of claim 3, wherein the foot stand further includes a motor mount and a lead screw motor; the motor fixing seat is fixedly connected with the screw rod motor and sleeved at the bottom ends of the support rod and the screw rod; and an output shaft of the screw rod motor is fixedly connected with one end of the screw rod.

5. The coreless grinder of claim 4, further including a moving assembly, a grinder assembly and a drive motor; the moving assembly is fixedly connected with the grinding tool assembly and the output shaft of the driving motor respectively.

6. The finely grindable coreless grinding machine of claim 5, wherein the grinder assembly includes a connecting stand, a grinding wheel motor and a grinding drill; the connecting frame is fixedly connected with the moving assembly and is also fixedly connected with the grinding wheel motor and the grinding drill; and an output shaft of the grinding wheel motor is connected with the grinding wheel.

7. The coreless grinder of claim 6, wherein the moving assembly includes a lateral translation bracket, a slide block, a threaded tube, a threaded rod; the transverse translation bracket is fixedly connected with the upper ends of the foot rests; the sliding block can be slidably arranged on the transverse translation bracket and is fixedly connected with the threaded pipe; the threaded pipe is sleeved on the screw rod; one end of the screw is fixedly connected with the output shaft of the driving motor, and the other end of the screw is fixedly connected with the connecting frame.

8. The coreless grinder of claim 7, wherein the surface of the translating carriage is grooved; one side surface of the sliding block is provided with a sliding convex part; the sliding protrusion is slidably fitted in the groove.

9. The coreless grinding machine capable of fine grinding of claim 1, further including a protective housing; the upper side of the protection shell is provided with a plurality of exhaust fans.

10. The coreless grinding machine of claim 9, wherein a waste collection trough is provided below the protective housing.

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