CN216066694U - Centerless grinding machine convenient to fast clamp workpiece - Google Patents

Abstract

The utility model discloses a centerless grinding machine convenient for rapidly clamping workpieces, which comprises a bottom plate, a clamping assembly and a driving mechanism, wherein a fixed seat is arranged on one side of the top surface of the bottom plate; the top surface opposite side of bottom plate is equipped with the curb plate, and the top of curb plate is equipped with a pair of spacing bearing, all inserts in every spacing bearing and is equipped with the roller, and the curb plate passes through actuating mechanism and is connected with a pair of roller. The workpiece polishing device solves the problems of infirm clamping and fixing of workpieces and poor polishing effect by matching the mechanism components, is compact in overall structural design, improves the firmness of clamping and fixing of the workpieces, and further improves the workpiece polishing efficiency.

Description

Centerless grinding machine convenient to fast clamp workpiece

Technical Field

The utility model relates to the technical field of grinding machines, in particular to a centerless grinding machine convenient for rapidly clamping a workpiece.

Background

The centerless grinding machine is a grinding machine which does not need to adopt the axis of a workpiece to grind, and is composed of a grinding wheel, an adjusting wheel and a workpiece support, wherein the grinding wheel actually performs grinding work, and the adjusting wheel controls the rotation of the workpiece and enables the workpiece to generate feed speed.

With the continuous development of centerless grinding machines, the following disadvantages exist at present: 1. workpieces are mostly fixed by a clamping mechanism, but the workpieces cannot be firmly clamped, so that the workpieces slide off in the machining process; 2. the work piece is inefficiency at the in-process of polishing, because the work piece cooperates the roller of polishing to rotate usually, leads to the individual position can not carry out even polishing operation, leads to the effect of polishing not good.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a centerless grinding machine convenient for rapidly clamping a workpiece.

In order to solve the problems in the prior art, the utility model adopts the following technical scheme:

the centerless grinding machine convenient for rapidly clamping workpieces comprises a bottom plate, a clamping assembly and a driving mechanism, wherein a fixed seat is arranged on one side of the top surface of the bottom plate, a fixed ring is arranged on the top surface of the fixed seat, an outer cylinder is arranged in the fixed ring, an inner cylinder is arranged in the outer cylinder, and a clamping mechanism is arranged on the inner cylinder; the side plate is arranged on the other side of the top surface of the bottom plate, a pair of limiting bearings are arranged at the top of the side plate, a roller shaft is inserted into each limiting bearing, and the side plate is connected with the pair of roller shafts through a driving mechanism.

Preferably, the centre gripping subassembly includes electric push cylinder, hinge bar, supporting rod, the left surface middle part of inner tube is equipped with the electric push cylinder, the electric push rod tip of electric push cylinder is equipped with the hinged disk, the outside edge of hinged disk is equipped with a plurality of hinge bars, the lateral surface of inner tube is equipped with a plurality of articulated rings, every all insert in the articulated ring and be equipped with the supporting rod, every the middle part of supporting rod all articulates with the articulated ring activity that corresponds, every the outer end of supporting rod is articulated with the outer end activity of the hinge bar that corresponds.

Preferably, the top wall of the inner port of the outer cylinder is provided with a plurality of reinforcing rods, and the inner end of each reinforcing rod is fixedly connected with the inner port of the inner cylinder.

Preferably, every all the cover is equipped with the roller of polishing on the inner segment of roller, every the outer end of roller all is equipped with the gear, and two gear engagement connects.

Preferably, actuating mechanism includes drive shaft, first drive belt, the bottom is equipped with the motor in the curb plate, the motor shaft tip of motor is equipped with the drive shaft, and the position that is located the curb plate and is close to is equipped with driven pulley on one of them roller axle cover, and the below that is located driven pulley is equipped with drive pulley in the drive shaft cover, drive pulley is connected with the driven pulley transmission through first drive belt.

Preferably, a fixed bearing is arranged in the middle of the fixed seat, the outer end of the driving shaft penetrates through the fixed bearing and extends to the outer side of the fixed seat, a first belt pulley is sleeved at the outer end of the driving shaft, an annular belt wheel is sleeved at the outer end of the outer cylinder, and the first belt pulley is in transmission connection with the annular belt wheel through a second driving belt.

Preferably, a bearing ring is arranged in the outer cylinder, and the inner cylinder is arranged in the bearing ring.

Preferably, a hard rubber block is arranged at the inner end of each clamping rod in the inner cylinder.

Compared with the prior art, the utility model has the beneficial effects that:

1. in the utility model, the clamping assembly is matched for use to drive the hard rubber blocks to be clamped and tightly abutted on the workpiece, so that the stability of clamping and fixing the workpiece is increased, and the phenomenon that the workpiece falls off in the polishing process is avoided;

2. according to the utility model, the inner cylinder and the workpiece are driven to rotate by matching the driving mechanism, and the rotating speed of the inner cylinder and the workpiece is different from that of the driving shaft although the diameter of the belt ring wheel is larger than that of the first belt pulley and the inner cylinder and the workpiece rotate in the same direction with the driving shaft, so that the workpiece is polished by matching the two polishing rollers, and the workpiece polishing efficiency is further improved;

in conclusion, the workpiece polishing device solves the problems of infirm clamping and fixing of the workpiece and poor polishing effect by matching the mechanism components, has compact overall structural design, improves the firmness of clamping and fixing of the workpiece, and further improves the workpiece polishing efficiency.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the utility model and together with the description serve to explain the utility model without limiting the utility model. In the drawings:

FIG. 1 is a front view of the present invention;

FIG. 2 is a front sectional view of the present invention;

FIG. 3 is a top view of the present invention;

FIG. 4 is a right side view of the outer barrel of the present invention;

number in the figure: the grinding device comprises a bottom plate 1, a fixed seat 11, a fixed ring 12, a bearing ring 13, a first belt pulley 14, a belt ring wheel 15, a second driving belt 16, an outer cylinder 2, an inner cylinder 21, an electric pushing cylinder 22, a hinged disc 23, a hinged rod 24, a hinged ring 25, clamping rods 26, hard rubber blocks 27, reinforcing rods 28, side plates 3, a motor 31, a driving shaft 32, a roller shaft 33, a grinding roller 34, a gear 35, a driving belt pulley 36, a driven belt pulley 37 and a first driving belt 38.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Example 1: the embodiment provides a centerless grinding machine convenient for rapidly clamping workpieces, and specifically comprises a bottom plate 1, a clamping assembly and a driving mechanism, wherein the bottom plate 1 is in a horizontally and transversely placed rectangular plate shape, a fixed seat 11 is arranged on one side of the top surface of the bottom plate 1, a fixed ring 12 is arranged on the top surface of the fixed seat 11, an outer cylinder 2 which is concentrically placed and has an inward opening is mounted in the fixed ring 12, an inner cylinder 21 which is concentrically placed and has an inward opening is arranged in the outer cylinder 2, a clamping mechanism is arranged on the inner cylinder 21, a bearing ring 13 which is concentrically and fixedly connected is arranged in the outer cylinder 2, the inner cylinder 21 is concentrically and fixedly connected and mounted in the bearing ring 13, a plurality of reinforcing rods 28 are arranged on the top wall of an inner port of the outer cylinder 2, and the inner end of each reinforcing rod 28 is fixedly connected with an inner port of the inner cylinder 21; the top surface opposite side of bottom plate 1 is equipped with curb plate 3, and the top of curb plate 3 is equipped with a pair of spacing bearing, all inserts the roller 33 that is equipped with horizontal through rigid coupling in every spacing bearing, and curb plate 3 passes through actuating mechanism and is connected with a pair of roller 33.

In the utility model, a grinding roller 34 which is concentrically and fixedly connected is sleeved on the inner section of each roller shaft 33, a gear 35 which is concentrically and fixedly connected is sleeved on the outer end of each roller shaft 33, and the two gears 35 are meshed and connected.

In the utility model, the driving mechanism comprises a driving shaft 32 and a first driving belt 38, the inner bottom of the side plate 3 is provided with a motor 31 with an inward output end, the end part of a motor shaft of the motor 31 is provided with the driving shaft 32 which is coaxially connected, a driven pulley 37 which is concentrically and fixedly connected is sleeved on one of the roller shafts 33 at the position close to the side plate 3, a driving pulley 36 which is concentrically and fixedly connected is sleeved on the driving shaft 32 and is positioned below the driven pulley 37, and the driving pulley 36 is in transmission connection with the driven pulley 37 through the first driving belt 38; the driving mechanism is used cooperatively to drive the two gears 35 to rotate in a meshed manner, so as to drive the two grinding rollers 34 to rotate oppositely.

In the utility model, a fixed bearing is arranged in the middle of a fixed seat 11, the outer end of a driving shaft 32 penetrates through the fixed bearing and extends to the outer side of the fixed seat 11, a first belt pulley 14 is sleeved on the outer end of the driving shaft 32, a belt annular wheel 15 which is concentrically and fixedly connected is sleeved on the outer end of an outer cylinder 2, the first belt pulley 14 is in transmission connection with the belt annular wheel 15 through a second driving belt 16, the first belt pulley 14 drives the belt annular wheel 15 and the outer cylinder 2 to rotate along a bearing ring 13 through the second driving belt 16, so as to drive an inner cylinder 21 and a workpiece to rotate, and the workpiece is polished under the matching operation of two polishing rollers 34.

Example 2: in embodiment 1, there is also a problem that the work is not firmly clamped, and therefore, this embodiment further includes, in addition to embodiment 1:

in the utility model, the clamping component comprises an electric pushing cylinder 22, hinged rods 24 and clamping rods 26, the electric pushing cylinder 22 is arranged in the middle of the left side surface of the inner cylinder 21, a hinged disc 23 is arranged at the end part of the electric pushing rod of the electric pushing cylinder 22, a plurality of hinged rods 24 which are movably hinged are arranged along the outer side edge of the hinged disc 23, a plurality of hinged rings 25 which are obliquely penetrated and fixedly connected are arranged on the outer side surface of the inner cylinder 21, the clamping rods 26 which are obliquely penetrated are inserted in each hinged ring 25, the middle part of each clamping rod 26 is movably hinged with the corresponding hinged ring 25, the outer end of each clamping rod 26 is movably hinged with the outer end of the corresponding hinged rod 24, hard rubber blocks 27 are arranged at the inner ends of the clamping rods 26 in the inner cylinder 21, and the hard rubber blocks 27 are driven to be clamped and tightly abutted to a workpiece through the matching use of the clamping component, so that the stability of workpiece clamping and fixing is increased.

Example 3: when the utility model is used specifically, the operation steps are as follows:

step one, the electric pushing cylinder 22 and the motor 31 are respectively electrically connected with an external power supply through power lines, and one end of a workpiece to be polished is placed in the inner cylinder 21;

step two, the electric push rod of the electric push cylinder 22 is controlled to be shortened, so that the hinge disc 23 is driven to move rightwards, under the hinge fit, the hinge rod 24 drives the hinge rod 26 to swing along the hinge ring 25 in a hinge mode, and the hard rubber blocks 27 are driven to respectively clamp and abut against one end portion of the workpiece, so that the workpiece is clamped and fixed;

step three, starting the motor 31, driving the driving shaft 32 to synchronously rotate by a motor shaft of the motor 31, driving the driven belt pulley 37 and one roller shaft 33 to synchronously rotate by the driving belt pulley 36 through the first driving belt 38, and driving the other roller shaft 33 to reversely rotate through the meshing rotation of the two gears 35 so as to drive the two polishing rollers 34 to oppositely rotate;

and step four, simultaneously, the first belt pulley 14 drives the belt ring wheel 15 and the outer cylinder 2 to rotate along the bearing ring 13 through the second driving belt 16, so as to drive the inner cylinder 21 and the workpiece to rotate, and since the diameter of the belt ring wheel 15 is larger than that of the first belt pulley 14, although the inner cylinder 21 and the workpiece rotate in the same direction as the driving shaft 32, the rotating speeds are different, and the workpiece is polished under the matching operation of the two polishing rollers 34.

The workpiece polishing device solves the problems of infirm clamping and fixing of workpieces and poor polishing effect by matching the mechanism components, is compact in overall structural design, improves the firmness of clamping and fixing of the workpieces, and further improves the workpiece polishing efficiency.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims (8)

1. Centerless grinder convenient to quick centre gripping work piece, including bottom plate (1), centre gripping subassembly, actuating mechanism, its characterized in that: a fixed seat (11) is arranged on one side of the top surface of the bottom plate (1), a fixed ring (12) is arranged on the top surface of the fixed seat (11), an outer cylinder (2) is installed in the fixed ring (12), an inner cylinder (21) is arranged in the outer cylinder (2), and a clamping mechanism is arranged on the inner cylinder (21); the top surface opposite side of bottom plate (1) is equipped with curb plate (3), the top of curb plate (3) is equipped with a pair of spacing bearing, every all insert in the spacing bearing and be equipped with roller (33), just curb plate (3) are connected with a pair of roller (33) through actuating mechanism.

2. The centerless grinder of claim 1 to facilitate rapid clamping of a workpiece, wherein: the centre gripping subassembly includes electric push cylinder (22), articulated rod (24), supporting rod (26), the left surface middle part of inner tube (21) is equipped with electric push cylinder (22), the electric push rod tip of electric push cylinder (22) is equipped with articulated dish (23), the outside edge of articulated dish (23) is equipped with a plurality of articulated rod (24), the lateral surface of inner tube (21) is equipped with a plurality of articulated rings (25), every all insert in articulated ring (25) and be equipped with supporting rod (26), every the middle part of supporting rod (26) all with the articulated ring (25) activity hinge who corresponds, every the outer end activity hinge of the outer end of supporting rod (26) and the articulated rod (24) that corresponds.

3. The centerless grinder of claim 1 to facilitate rapid clamping of a workpiece, wherein: the inner end opening top wall of the outer cylinder (2) is provided with a plurality of reinforcing rods (28), and the inner end of each reinforcing rod (28) is fixedly connected with the inner end opening of the inner cylinder (21).

4. The centerless grinder of claim 1 to facilitate rapid clamping of a workpiece, wherein: every all the cover is equipped with polishing roller (34) on the interior section of roller (33), every the outer end of roller (33) all is equipped with gear (35), and two gear (35) meshing connection.

5. The centerless grinder of claim 1 to facilitate rapid clamping of a workpiece, wherein: actuating mechanism includes drive shaft (32), first drive belt (38), the bottom is equipped with motor (31) in curb plate (3), the motor shaft tip of motor (31) is equipped with drive shaft (32), and the position that is located curb plate (3) and is close to is equipped with driven pulley (37) on one of them roller (33) cover, and the below that is located driven pulley (37) is equipped with drive pulley (36) on drive shaft (32), drive pulley (36) are connected with driven pulley (37) transmission through first drive belt (38).

6. The centerless grinder of claim 5 which facilitates rapid clamping of a workpiece, wherein: the middle part of fixing base (11) is equipped with fixing bearing, the outer end of drive shaft (32) runs through fixing bearing and extends to the outside of fixing base (11), the outer pot head of drive shaft (32) is equipped with first belt pulley (14), the outer pot head of urceolus (2) is equipped with belt ring shape wheel (15), first belt pulley (14) are connected with belt ring shape wheel (15) transmission through second drive belt (16).

7. The centerless grinder of claim 1 to facilitate rapid clamping of a workpiece, wherein: a bearing ring (13) is arranged in the outer cylinder (2), and the inner cylinder (21) is arranged in the bearing ring (13).

8. The centerless grinder of claim 2 to facilitate rapid clamping of a workpiece, wherein: hard rubber blocks (27) are arranged at the inner end of each clamping rod (26) in the inner cylinder (21).

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