CN116372769A

CN116372769A - Grind machine with gear reduction mechanism

Info

Publication number: CN116372769A
Application number: CN202310656792.7A
Authority: CN
Inventors: 杨超; 于海生; 王晨彬
Original assignee: Changzhou Mandolin Precision Machinery Technology Co ltd
Current assignee: Changzhou Mandolin Precision Machinery Technology Co ltd
Priority date: 2023-06-05
Filing date: 2023-06-05
Publication date: 2023-07-04

Abstract

The invention relates to the technical field of grinding machines, in particular to a grinding machine with a gear reduction mechanism, which comprises a bearing feeding mechanism and a transmission mechanism, wherein the bearing feeding mechanism comprises a base and a cushion piece arranged at the top of the base. The top and the bottom of the inner side of the limiting upright post are respectively connected with two springs, the two springs are matched with the elastic support of the sliding blocks, after the supporting rods of the external installation of the three sliding blocks are fixed by the gasket, the gasket which is driven by the screw rod can control the combined three sliding blocks to quantitatively feed towards the workpiece which is placed on the top of the base, the screw rod which is driven by the rocking rack rod can uniformly lift the gasket, the three supporting rods and the three sliding blocks, and at the moment, the grinding wheel which is installed at the bottom end of the driven rack rod can finely grind the top surface of the workpiece, so that the problems that the disc type grinding wheel deforms and the horn mouth are caused to the workpiece due to uneven feeding amount can be effectively avoided.

Description

Grind machine with gear reduction mechanism

Technical Field

The invention relates to the technical field of grinding machines, in particular to a grinding machine with a gear reduction mechanism.

Background

The grinding machine is a grinding machine for grinding the surface of a workpiece by using a grinding tool coated with or embedded with grinding materials, and is mainly used for grinding high-precision planes, inner and outer cylindrical surfaces, conical surfaces, spherical surfaces, threaded surfaces and other molded surfaces in the workpiece, and the main types of the grinding machine are disc type grinding machines, rotary shaft type grinding machines and various special grinding machines.

At present, in the disc grinder in the use, spiral trace can appear on the surface of ground work piece very easily, and after the grinder feed was too big, the disc grinding wheel just can appear passivation because of the too big pressure that gives in, and then can make the deformation problem of horn mouth appear in the top surface of work piece, all can bring very big harm to structure and pleasing to the eye after the work piece grinds.

Aiming at the disc type grinder, how to control the precise regulation and control of the feeding quantity of the disc type grinder to the surface of the workpiece so as to avoid the problems of scratches, flares and the like after the workpiece is ground, namely the technical difficulty to be solved by the invention.

Disclosure of Invention

The present invention aims to solve one of the technical problems existing in the prior art or related technologies.

The technical scheme adopted by the invention is as follows:

the utility model provides a grind machine with gear reduction mechanism, includes bearing feed mechanism and drive mechanism, bearing feed mechanism includes the base, install at the pad piece at base top, connect the setting element at base top surface, movable mounting is at the epaxial rocking toothed bar of setting element, movable mounting is at the lead screw in the pad piece, install three spacing stand at base top, install the elastic expansion link on spacing stand, connect clamp splice and the packing ring of threaded connection on the lead screw on elastic expansion link, support mechanism includes movable mounting slider in spacing stand, install branch on the slider outer wall, connect on the slider inner wall, install two anchor clamps on the truss, install the layer board at truss top, connect the first shell in two anchor clamps, install respectively at first shell top and two backing plates of bottom and connect at the second shell of first shell bottom, drive mechanism includes movable mounting driving shaft and auxiliary shaft in two backing plates, installs the motor on the lead screw, the transmission is at the driving shaft top end, movable mounting is at the passive toothed bar's of second shell and the passive end of being connected at the passive toothed bar.

The present invention may be further configured in a preferred example to: the rocking toothed bar consists of a half gear, a cross bar and a holding bar, and the outer end of the cross bar is provided with a circular pad disc.

Through adopting above-mentioned technical scheme, utilize the control holding rod to rotate, when half gear rotation, movable mounting just can be linked at this moment at the lead screw in the pad piece, and the screw thread is installed at the outside packing ring of lead screw alright drive the bearing feed mechanism after the equipment and down quantitatively feed to ensure the regulation and control of device to work piece grinding accuracy.

The present invention may be further configured in a preferred example to: the inside of spacing stand has seted up the spout, and the inboard top of spacing stand and bottom are connected with two springs respectively.

Through adopting above-mentioned technical scheme, utilize two springs to carry out elastic support to the top and the bottom of slider, after the lead screw is rotatory and drive the packing ring and go up and down, be located three sets of springs of three spacing stand inboard this moment and alright provide sufficient bearing capacity for bearing feed mechanism and drive mechanism is whole.

The present invention may be further configured in a preferred example to: the elastic telescopic rod consists of an L-shaped main rod, an L-shaped sub rod and a tension spring, the whole clamping block is in a circular arc structure, and a plurality of groups of rollers are movably arranged in grooves in the inner wall of the clamping block.

Through adopting above-mentioned technical scheme, utilize L shape flexible sub-pole and clamp splice in the elastic expansion link to carry out spacing constraint to the side at emery wheel top, when the emery wheel was pushed down by the packing ring, the rotation that the outside three clamp splice of centre gripping in the emery wheel this moment alright provide anti-shake protection for the emery wheel, and movable mounting gyro wheel in the clamp splice inner wall recess alright reduce the frictional resistance between emery wheel and the clamp splice, avoid the rotation of emery wheel to be hindered.

The present invention may be further configured in a preferred example to: the sliding block consists of a rectangular end column and a T-shaped sliding block, and the T-shaped sliding block is adapted to penetrate into a sliding groove in the limiting upright column.

Through adopting above-mentioned technical scheme, utilize with T font slider movable mounting in the inside spout of spacing stand on the slider, the cooperation stay is fixed to T font slider, and after the branch of packing ring with three equipment was fixed, receive the screw drive of screw rod to the packing ring, the emery wheel that is located three spacing stand middle parts at this moment alright carry out quantitative feed grinding to the top of work piece.

The present invention may be further configured in a preferred example to: the truss consists of two guide rods and a vertical rod, and a tubular ring sleeve is arranged at the inner end of the guide rod.

Through adopting above-mentioned technical scheme, cooperation truss is fixed two anchor clamps and layer board, and the motor of installing on the layer board just can drive the track and rotate this moment, and movable mounting just can be transmitted by the track at three driving shaft in three first shell, and the truss alright provide sufficient holding power for the subsequent transmission of drive mechanism this moment, and the first shell that is fixed by the truss also can ensure that driving shaft and auxiliary shaft carry out stable rotation simultaneously.

By adopting the technical scheme, the beneficial effects obtained by the invention are as follows:

1. according to the invention, the base is arranged, the three limit posts are arranged at the top of the base, the two springs are respectively connected to the top and the bottom of the inner side of the limit posts, and the two springs are matched to elastically support the sliding blocks, so that after the support rods arranged outside the three sliding blocks are fixed by the washers, the washers which are spirally driven by the screw rods can control the combined three sliding blocks to quantitatively feed towards a workpiece placed at the top of the base, the screw rods which are driven by the rocking toothed bars drive the washers, the three support rods and the three sliding blocks to uniformly lift, and at the moment, the grinding wheel arranged at the bottom end of the driven toothed bar can finely grind the top surface of the workpiece, so that the problems of deformation, flare and the like of the workpiece caused by uneven feeding amount of the disc-type grinding wheel can be effectively avoided.

2. According to the invention, the elastic telescopic rod is arranged at the bottom of the inner side of the limiting upright post, the clamping blocks are arranged on the elastic telescopic rod, the limiting clamping of the side edge of the top of the grinding wheel is matched with the arc-shaped grooves on the inner side of the three clamping blocks, at the moment, the plurality of rollers movably arranged in the grooves on the inner wall of the clamping blocks can provide constant constraint force for the grinding wheel, and when the grinding wheel is downwards fed towards a workpiece placed at the top of the base, the three clamping blocks can be matched with the three elastic telescopic rods which are elastically stretched to provide anti-vibration protection for the rotation of the grinding wheel, so that the problem that the workpiece is locally stressed unevenly due to the high-speed rotation of the disc-type grinding wheel in the accurate grinding process is avoided, and the problem that the horn mouth is formed at the top of the workpiece due to uneven compression is effectively avoided.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic bottom view of FIG. 1 according to the present invention;

FIG. 3 is a schematic view of a load bearing feed mechanism of the present invention;

FIG. 4 is an internal schematic view of FIG. 3 according to the present invention;

FIG. 5 is a schematic cross-sectional view of an elastic telescopic rod according to the present invention;

FIG. 6 is a schematic view of the support mechanism and transmission mechanism of FIG. 1 according to the present invention;

FIG. 7 is a schematic cross-sectional view of FIG. 6 in accordance with the present invention;

fig. 8 is an internal schematic view of fig. 7 in accordance with the present invention.

Reference numerals:

100. a bearing feeding mechanism; 110. a base; 120. a pad; 130. a positioning piece; 140. swinging a toothed bar; 150. a screw rod; 160. a limit upright post; 170. an elastic telescopic rod; 180. clamping blocks; 190. a gasket;

200. a support mechanism; 210. a slide block; 220. a support rod; 230. truss; 240. a clamp; 250. a first housing; 260. a backing plate; 270. a second housing; 280. a supporting plate;

300. a transmission mechanism; 310. a motor; 320. a driving shaft; 330. a track; 340. an auxiliary shaft; 350. a passive toothed bar; 360. grinding wheel.

Detailed Description

The objects, technical solutions and advantages of the present invention will become more apparent by the following detailed description of the present invention with reference to the accompanying drawings. It should be noted that, without conflict, the embodiments of the present invention and features in the embodiments may be combined with each other.

It is to be understood that this description is merely exemplary in nature and is not intended to limit the scope of the present invention.

A grinder having a gear reduction mechanism according to some embodiments of the present invention is described below with reference to the accompanying drawings.

Example 1

Referring to fig. 1 to 8, the grinder with a gear reduction mechanism according to the present invention includes a load-bearing feeding mechanism 100, a supporting mechanism 200, and a transmission mechanism 300, wherein the supporting mechanism 200 is mounted on the load-bearing feeding mechanism 100, and the transmission mechanism 300 is mounted on the supporting mechanism 200.

The load-bearing feeding mechanism 100 comprises a base 110, a cushion 120, a positioning member 130, a rocking toothed bar 140, a screw rod 150, a limiting upright 160, an elastic telescopic bar 170, a clamping block 180 and a gasket 190, the supporting mechanism 200 comprises a sliding block 210, a supporting rod 220, a truss 230, a clamp 240, a first shell 250, a backing plate 260, a second shell 270 and a supporting plate 280, and the transmission mechanism 300 comprises a motor 310, a driving shaft 320, a track 330, an auxiliary shaft 340, a driven toothed bar 350 and a grinding wheel 360.

Specifically, the pad 120 is installed at the top of the base 110, the positioning piece 130 is connected to the top surface of the base 110, the rocking rack 140 is movably installed in the positioning piece 130, the screw rod 150 is movably installed in the pad 120, three limiting columns 160 are installed at the top of the base 110, the elastic telescopic rod 170 is installed on the limiting columns 160, the clamping block 180 is connected to the elastic telescopic rod 170, the gasket 190 is in threaded connection with the screw rod 150, the sliding block 210 is movably installed in the limiting columns 160, the supporting rod 220 is installed on the outer wall of the sliding block 210, the truss 230 is connected to the inner wall of the sliding block 210, two clamps 240 are installed on the truss 230, the supporting plate 280 is installed at the top of the truss 230, the first shell 250 is connected to the two clamps 240, two base plates 260 are respectively installed at the top and the bottom of the first shell 250, the second shell 270 is connected to the bottom of the first shell 250, the driving shaft 320 and the auxiliary shaft 340 are movably installed in the two base plates 260, the motor 310 is installed on the supporting plate 280, the crawler 330 is in the top of the driving shaft 320, the driven rack 350 is movably installed on the second shell 270, and the driven rack 350 is movably installed on the bottom of the driven rack 350.

Specifically, the clamping blocks 180 are installed on the elastic telescopic rods 170, limit clamping is performed on the side edge of the top of the grinding wheel 360 by matching with the arc grooves on the inner sides of the three clamping blocks 180, at this time, the plurality of rollers movably installed in the grooves on the inner walls of the clamping blocks 180 can provide constant constraint force for the grinding wheel 360, after the grinding wheel 360 advances downwards towards the workpiece placed on the top of the base 110, the three clamping blocks 180 can be matched with the three elastic telescopic rods 170 which stretch elastically to provide anti-vibration protection for the rotation of the grinding wheel 360, the problem that partial pressure is uneven due to high-speed rotation of the disc-type grinding wheel 360 in the accurate grinding process of the workpiece is avoided, the elastic support of the two springs to the sliding blocks 210 is matched, after the supporting rods 220 installed outside the three sliding blocks 210 are fixed by the gasket 190, at this time, the three sliding blocks 210 which are spirally driven by the screw rod 150 can control the combined three sliding blocks 210 to quantitatively advance towards the workpiece placed on the top of the base 110, and the screw rod 150 which drives the gasket 190 and the three supporting rods 220 and the three sliding blocks 210 to uniformly lift up and down at this time, and the tooth 360 installed on the bottom of the driven rod 350 can accurately grind the top of the workpiece.

Example two

Referring to fig. 3 to 7, on the basis of the first embodiment, the rocking toothed bar 140 is composed of a half gear, a cross bar and a holding bar, the outer end of the cross bar is provided with a circular pad, the inside of the limit upright 160 is provided with a chute, the top and the bottom of the inner side of the limit upright 160 are respectively connected with two springs, the elastic telescopic bar 170 is composed of an L-shaped main bar, an L-shaped sub bar and a tension spring, the whole of the clamping block 180 is in a circular arc structure, and a plurality of groups of rollers are movably mounted in grooves on the inner wall of the clamping block 180.

When the half gear rotates, the screw rod 150 movably mounted in the pad 120 is linked, the gasket 190 threadedly mounted outside the screw rod 150 can drive the assembled supporting mechanism 200 to quantitatively feed downwards, the top and the bottom of the sliding block 210 are elastically supported by combining two springs, after the screw rod 150 rotates and drives the gasket 190 to lift, three groups of springs positioned inside the three limiting upright posts 160 can provide enough bearing force for the supporting mechanism 200 and the transmission mechanism 300 as a whole, and simultaneously, the L-shaped telescopic sub-rod and the clamping block 180 in the elastic telescopic rod 170 are matched to limit and restrain the side edge of the top of the grinding wheel 360, when the grinding wheel 360 is pushed downwards by the gasket 190, the three clamping blocks 180 clamped outside the grinding wheel 360 can provide anti-vibration protection for the rotation of the grinding wheel 360, and the rollers movably mounted in the grooves on the inner wall of the clamping blocks 180 can reduce friction resistance between the grinding wheel 360 and the clamping blocks 180, so that the rotation of the grinding wheel 360 is prevented from being blocked.

Example III

Referring to fig. 7 and 8, on the basis of the first embodiment, the slider 210 is composed of a rectangular end post and a T-shaped slider, the T-shaped slider is adapted to penetrate into a chute inside the limit upright post 160, the truss 230 is composed of two guide rods and a vertical rod, and a tubular ring is provided at the inner end of the guide rod.

The two clamps 240 and the supporting plate 280 are fixed by matching with the truss 230, at this time, the motor 310 arranged on the supporting plate 280 drives the crawler 330 to rotate, the three driving shafts 320 movably arranged in the three first shells 250 are driven by the crawler 330, at this time, the truss 230 can provide enough supporting force for the subsequent transmission of the transmission mechanism 300, meanwhile, the first shells 250 fixed by the truss 230 can also ensure the stable rotation of the driving shafts 320 and the auxiliary shafts 340, the T-shaped sliding blocks on the sliding blocks 210 are movably arranged in the sliding grooves in the limiting upright posts 160, the T-shaped sliding blocks are fixed by matching with the supporting rods 220, after the three assembled supporting rods 220 are fixed by the washers 190, the screw transmission of the washers 190 is carried out by the screw rods 150, and at this time, the grinding wheels 360 positioned in the middle parts of the three limiting upright posts 160 can quantitatively grind the tops of workpieces.

The working principle and the using flow of the invention are as follows: two backing plates 260 are mounted on the top and bottom of the first housing 250 in advance, then the driving shaft 320 and the auxiliary shaft 340 are movably mounted in the inner cavity of the first housing 250, at this time, the top end of the driving shaft 320 and the bottom end of the auxiliary shaft 340 are respectively penetrated to the outside of the first housing 250, then the driven toothed bar 350 is movably mounted in the second housing 270, and the bottom ends of the three auxiliary shafts 340 are penetrated to the second housing 270, at this time, the gears at the bottom ends of the three auxiliary shafts 340 can respectively engage with three toothed plates driven to the outside of the driven toothed bar 350, and the second housing 270 is mounted at the bottom of the three first housing 250, at this time, the grinding wheel 360 is mounted at the bottom end of the driven toothed bar 350, and the first housing 250 is fixed by two clamps 240, and two clamps 240 are fixed by the truss 230, and two guide rods outside the truss 230 are connected to the inner walls of the slider 210, the supporting rods 220 are arranged on the outer wall of the sliding block 210, the combined sliding block 210 is movably assembled in a slideway in the limit upright 160, then the clamping block 180 is arranged on a telescopic sub-rod in the elastic telescopic rod 170, the combined elastic telescopic rod 170 is arranged at the bottom of the inner side of the limit upright 160, then the three assembled limit uprights 160 are respectively arranged at the top of the base 110, the three supporting rods 220 are fixed by the gaskets 190, at the moment, the screw cylinders on the gaskets 190 are in threaded connection by the screw rods 150, when the external holding rod of the rocking toothed rod 140 is controlled to rotate, the screw rods 150 can drive the gaskets 190 to longitudinally feed, and the three supporting rods 220 fixed by the gaskets 190 can drive the assembled supporting mechanism 200 and the transmission mechanism 300 to integrally feed towards the top of the base 110, the top and bottom of the three sliding blocks 210 are respectively elastically supported by two springs in the inner cavities of the three limiting columns 160, and are manually rotated by the rocking toothed bar 140, and grinding wheels 360 installed at the bottom end of the driven toothed bar 350 can perform fine grinding and rough grinding treatments with different feeding forces on the surface of the workpiece.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.

Claims

1. A grinding machine with a gear reduction mechanism, characterized by comprising a load-bearing feed mechanism (100), a support mechanism (200) and a transmission mechanism (300);

the bearing feeding mechanism (100) comprises a base (110), a cushion (120) arranged at the top of the base (110), a positioning piece (130) connected to the top surface of the base (110), a rocking toothed bar (140) movably arranged in the positioning piece (130), a screw rod (150) movably arranged in the cushion (120), three limit upright posts (160) arranged at the top of the base (110), an elastic telescopic rod (170) arranged on the limit upright posts (160), a clamping block (180) connected to the elastic telescopic rod (170) and a gasket (190) screwed on the screw rod (150);

the supporting mechanism (200) is arranged on the bearing feeding mechanism (100) and comprises a sliding block (210) movably arranged in a limiting upright post (160), a supporting rod (220) arranged on the outer wall of the sliding block (210), a truss (230) connected to the inner wall of the sliding block (210), two clamps (240) arranged on the truss (230), a supporting plate (280) arranged on the top of the truss (230), a first shell (250) connected in the two clamps (240), two backing plates (260) respectively arranged on the top and the bottom of the first shell (250) and a second shell (270) connected to the bottom of the first shell (250);

the transmission mechanism (300) is arranged on the supporting mechanism (200) and comprises a driving shaft (320) and an auxiliary shaft (340) which are movably arranged in two base plates (260), a motor (310) arranged on the supporting plate (280), a crawler belt (330) which is transmitted on the top end of the driving shaft (320), a driven toothed bar (350) which is movably arranged in the second shell (270) and a grinding wheel (360) connected to the bottom end of the driven toothed bar (350).

2. The grinder with gear reduction mechanism according to claim 1, wherein the rocking toothed bar (140) is composed of a half gear, a cross bar and a holding bar, and the outer end of the cross bar is provided with a circular ring-shaped pad.

3. The grinder with the gear reduction mechanism according to claim 1, wherein a chute is provided in the limit post (160), and two springs are respectively connected to the top and the bottom of the inner side of the limit post (160).

4. A grinding mill with a gear reduction mechanism according to claim 1, characterized in that the elastic telescopic rod (170) consists of an L-shaped parent rod, an L-shaped child rod and a tension spring.

5. The grinder with the gear reduction mechanism according to claim 1, wherein the clamping block (180) is integrally in a circular arc structure, and a plurality of groups of rollers are movably mounted in grooves of the inner wall of the clamping block (180).

6. A grinding machine with gear reduction mechanism according to claim 1, characterized in that the slide (210) consists of a rectangular end post and a T-shaped slide, which is adapted to penetrate into a chute inside the limit post (160).

7. A grinding machine with a gear reduction mechanism according to claim 1, characterized in that the truss (230) consists of two guide rods and a vertical rod, and that the inner ends of the guide rods are provided with tubular collars.