CN210232608U

CN210232608U - Clamping mechanism of hardware polishing machine

Info

Publication number: CN210232608U
Application number: CN201921379124.XU
Authority: CN
Inventors: Xianqing Chen; 陈显青; Xingbao Lin; 林兴豹; Shuang Chen; 陈爽; Mang Chen; 陈茫
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-08-22
Filing date: 2019-08-22
Publication date: 2020-04-03
Anticipated expiration: 2029-08-22

Abstract

The utility model discloses a hardware polishing machine's clamp material mechanism, its technical scheme main points are including the polishing machine frame, the left and right sides of polishing machine frame all is provided with the clamp material mechanism rather than the looks adaptation, clamp material mechanism is including pressing from both sides the material subassembly and being located the removal subassembly of clamp material mechanism downside, press from both sides the material subassembly including pressing from both sides the material base and parallel arrangement in the clamp material base plate of clamp material base upside, the both sides of clamp material base plate are provided with turning device and clamping device respectively, turning device is including the upset bearing frame and the upset motor of looks adaptation, clamping device is including pressing from both sides the bearing frame and setting up in the die clamping cylinder of die clamping bearing frame one side, all alternate the clamp material pivot that is provided with a plurality of looks adaptations on upset bearing frame and the die clamping bearing frame, and can dismantle the clamp material connecting rod that is connected with. The utility model has the advantages of simple structure, high processing efficiency, good polishing effect, wide application range and simple and convenient operation.

Description

Clamping mechanism of hardware polishing machine

Technical Field

The utility model relates to a polishing equipment technical field, concretely relates to five metals burnishing machine's clamping mechanism.

Background

The hardware is of various types, such as door handles, water taps, connecting nuts and other products which are formed by metal processing. Two mounting holes are symmetrically formed in the door handle, and the distance between the two mounting holes in the door handles of different styles and different models is inconsistent.

The polishing machine is specially used for carrying out effect treatment on the surfaces of metal products such as steel, aluminum, copper and the like, can quickly repair deep scratches and slight scratches, and can quickly polish and polish; the welding line, the water gap mark, the oxidation film, the stain, the paint and the like are suitable for deburring, forming a fillet and processing decorative metal, can not form a shadow, a transition zone, uneven decorative surface and the like in the processing process, and are important equipment of a metal product production line.

However, the existing polishing machine has the problem that the clamping mechanism can only clamp hardware of one size, so that the clamp needs to be replaced when hardware of different sizes is polished, the operation process is complicated, and the production efficiency of products is reduced. Meanwhile, the polishing machine keeps the hardware fixed under the action of the clamping mechanism in the polishing process, so that the polishing machine can only polish one angle of the hardware, if polishing other angles, the clamping position of the hardware needs to be manually adjusted, the processing efficiency of products is reduced, and the polishing effect of the surface of a workpiece is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art exists, the utility model provides a hardware polishing machine's clamping mechanism has simple structure, and machining efficiency is high, and polishing effect is good, and application scope is wide, can 360 degrees upset hardware need not to readjust the effect easy and simple to handle to the position.

In order to achieve the above purpose, the utility model provides a following technical scheme: a clamping mechanism of a hardware polishing machine comprises a polishing machine frame, clamping mechanisms matched with the polishing machine frame are arranged on the left side and the right side of the polishing machine frame respectively, each clamping mechanism comprises a clamping component and a moving component positioned on the lower side of the clamping mechanism, each clamping component comprises a clamping base and a clamping base plate arranged on the upper side of the clamping base in parallel, a turnover device and a clamping device are arranged on the two sides of each clamping base respectively, each turnover device comprises a turnover bearing seat and a turnover motor matched with the turnover bearing seats, each clamping device comprises a clamping bearing seat and a clamping cylinder arranged on one side of the clamping bearing seat, a plurality of matched clamping rotating shafts are arranged on the turnover bearing seats and the clamping bearing seats in an inserting mode, clamping connecting rods matched with hardware are detachably connected to the clamping rotating shafts, each moving component comprises a moving bottom plate and a moving top plate connected with the clamping base, the upper side and the lower side of the movable bottom plate are respectively provided with a first moving device and a second moving device which move left and right and back and forth relative to the polishing machine frame.

Through adopting above-mentioned technical scheme, turning device drives the hardware and carries out 360 degrees upsets, and each face of the hardware of being convenient for is processed, improves polishing process's machining efficiency and effect, and make the clearance size that is used for the hardware between the clamp material connecting rod to adjust through clamping device, thereby make the hardware that presss from both sides the material subassembly and can the centre gripping unidimensional, the business turn over material and the processing of the hardware of being convenient for through first mobile device and second mobile device of removal subassembly simultaneously.

The utility model discloses further set up to: first upset drive wheel and second upset drive wheel have set firmly respectively in upset motor and the double-layered material pivot that is close to upset motor one side, and still be equipped with between first upset drive wheel and the second upset drive wheel and be located third upset drive wheel on the upset bearing frame, first upset drive wheel, second upset drive wheel and third upset drive wheel are through setting up upset drive belt interconnect, and the upset motor is through setting up motor mounting panel and the mutual fixed connection of upset bearing frame.

Through adopting above-mentioned technical scheme, the upset motor drives through first upset drive wheel, second upset drive wheel, third upset drive wheel and upset drive belt and presss from both sides the material pivot and rotate to make pressing from both sides the material pivot and drive the hardware through pressing from both sides the material connecting rod and carry out 360 degrees upsets, thereby improve the machining efficiency and the effect of course of working.

The utility model discloses further set up to: fixed fluting has been seted up to the one end of pressing from both sides the material pivot, and fixed fluting can be dismantled with pressing from both sides the material connecting rod through setting up fixing bolt and be connected, press from both sides the material pivot establish through the cover press from both sides the material bearing respectively with upset bearing frame be connected with tight bearing frame, lie in press from both sides the material pivot on the tight bearing frame still through set up press from both sides the material bearing with die clamping cylinder interconnect is provided with on the clamp material connecting rod with the double-layered material draw-in groove of hardware both ends looks adaptation.

Through adopting above-mentioned technical scheme, fixed fluting can be dismantled with pressing from both sides the material connecting rod through the bolt and be connected the material connecting rod adjustment position of being convenient for, presss from both sides the material bearing and is convenient for press from both sides the material pivot and rotate, clamping component is connected with pressing from both sides the material pivot through die clamping cylinder for the clearance size that is used for the hardware between two clamp material connecting rods can be adjusted, thereby makes the not unidimensional hardware of clamp material subassembly ability centre gripping, improves its suitability, presss from both sides the material draw-in groove and is convenient for be connected with the hardware.

The utility model discloses further set up to: press from both sides material base plate and press from both sides material base and set up four piece at least elastic expansion post interconnect, elastic expansion post including well core rod and the elastic support of cover on well core rod in, well core rod's upper end and press from both sides material base plate mutual fixed connection and its lower extreme run through in pressing from both sides material base, well core rod lower part cover be equipped with press from both sides material base fixed connection's flange linear bearing.

Through adopting above-mentioned technical scheme, the flexible post can avoid the hardware to contact too tightly or too pine when processing, leads to the hardware processing depth of polishing too dark or too shallow and influence the processing effect of product.

The utility model discloses further set up to: the first moving device comprises a moving side plate fixedly connected with the moving bottom plate, a first moving motor and a first moving screw rod are arranged on the moving side plate, a first moving driving wheel and a second moving driving wheel are fixedly arranged on the first moving motor and the first moving screw rod respectively, the first moving driving wheel and the second moving driving wheel are connected with each other through a moving driving belt, the first moving device further comprises a first moving sliding block and a first moving sliding rail which are in sliding connection, and the first moving sliding block and the first moving sliding rail are fixedly connected with the moving top plate and the moving bottom plate respectively.

Through adopting above-mentioned technical scheme, first removal motor rotates through driving first removal lead screw, and then drives and remove the roof and carry out the horizontal slip, and the hardware of being convenient for carries out business turn over material and processing.

The utility model discloses further set up to: the second moving device comprises a second moving motor and a second moving screw rod connected with the second moving motor, the second moving screw rod and the first moving screw rod are respectively and fixedly connected with the moving bottom plate and the moving top plate through a moving nut seat which is sleeved on the second moving screw rod, the second moving motor and the second moving screw rod are respectively and fixedly connected with the polishing machine frame through a motor fixing seat and a moving bearing seat, the second moving device further comprises a second moving sliding block and a second moving sliding rail which are connected in a sliding mode, and the second moving sliding block and the second moving sliding rail are respectively and fixedly connected with the moving bottom plate and the polishing machine frame.

Through adopting above-mentioned technical scheme, the second removes the motor and rotates through driving the second and remove the lead screw, and then drives and remove the bottom plate and carry out the horizontal slip, and the hardware of being convenient for carries out business turn over material and processing.

The utility model discloses further set up to: the left and right sides fixedly connected with of removal bottom plate with the protection curb plate of removal roof looks adaptation, both sides are equipped with the telescopic protecting hood body respectively around the removal bottom plate, the protecting hood body with the second removes the slide rail and mutually supports and the protecting hood body is cup jointed in proper order by a plurality of protecting housing head and the tail and constitutes.

Through adopting above-mentioned technical scheme, protection curb plate and protection casing physical stamina prevent that the piece that the hardware produced in-process from getting into the inside of first mobile device and second mobile device, cause the influence to the removal process that removes the subassembly.

To sum up, the utility model discloses following beneficial effect has:

1. the turnover device is arranged to drive the hardware to turn 360 degrees around the straight line where the clamping connecting rod is located, the hardware can be machined on all surfaces without manually adjusting the position of the hardware, the whole machining of the hardware can be completed at one time, the machining efficiency and the polishing effect in the polishing process are improved, the size of a gap between the clamping connecting rods for the hardware can be adjusted through the clamping cylinder in the clamping device, the clamping assembly can clamp the hardware with different sizes, and meanwhile, the moving assembly is convenient for feeding, discharging and machining of the hardware through the left-right moving device and the front-back moving device;

2. the fixed open slot is detachably connected with the material clamping connecting rod through a bolt, so that the position of the material clamping connecting rod can be conveniently adjusted; the elastic telescopic column can prevent the hardware from being contacted too tightly or too loosely during processing, so that the processing polishing depth of the hardware is too deep or too shallow to influence the processing effect of a product; through the mode that sets up protection curb plate and the protecting cover body, can prevent that the piece that the hardware produced in-process from getting into the inside of first mobile device and second mobile device, cause the influence to the removal process of removing the subassembly.

Drawings

Fig. 1 is a perspective view of the present invention.

Fig. 2 is a top view of the present invention.

Fig. 3 is a perspective view of the material clamping mechanism in fig. 1.

Fig. 4 is a left side view of the material clamping mechanism of fig. 1.

Fig. 5 is a schematic structural view of the material clamping assembly in fig. 4.

Fig. 6 is a schematic structural diagram of the first mobile device.

Reference numerals: 1. a polisher frame; 11. a motor fixing seat; 12. moving the bearing seat; 13. a second movable slide rail; 2. a material clamping component; 21. a material clamping base; 22. a material clamping substrate; 23. a turning device; 231. turning over the bearing seat; 232. turning over a motor; 233. a first turnover transmission wheel; 234. a second turnover transmission wheel; 235. a third overturning transmission wheel; 236. a motor mounting plate; 24. a clamping device; 241. clamping the bearing seat; 242. a clamping cylinder; 243. clamping the bearing; 25. a material clamping rotating shaft; 251. fixing the slot; 26. a material clamping connecting rod; 261. a clamping groove; 27. an elastic telescopic column; 271. a center pole; 272. an elastic support; 273. a flange linear bearing; 3. a moving assembly; 31. moving the base plate; 311. a first movable slide rail; 312. a second movable slider; 313. a protective side plate; 314. a protective housing; 32. moving the top plate; 321. a first moving slider; 33. a first mobile device; 331. moving the side plate; 332. a first moving motor; 333. a first movable screw rod; 334. a first moving transmission wheel; 335. a second moving transmission wheel; 34. a second mobile device; 341. a second moving motor; 342. a second movable screw rod; 35. moving the nut seat; 4. hardware.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The embodiment discloses a clamping mechanism of a hardware polishing machine, as shown in fig. 1 to 6, comprising a polishing machine frame 1, wherein clamping mechanisms adapted to the polishing machine frame 1 are respectively arranged on the left side and the right side of the polishing machine frame 1, the clamping mechanism comprises a clamping assembly 2 and a moving assembly 3 positioned on the lower side of the clamping mechanism, the clamping assembly 2 comprises a clamping base 21 and a clamping base plate 22 arranged on the upper side of the clamping base 21 in parallel, a turning device 23 and a clamping device 24 are respectively arranged on the two sides of the clamping base plate 22, the turning device 23 comprises a turning bearing seat 231 and a turning motor 232 adapted to each other, the clamping device 24 comprises a clamping bearing 243 seat 241 and a clamping cylinder 242 arranged on one side of the clamping bearing seat 241, a plurality of clamping rotating shafts 25 adapted to each other are respectively inserted and arranged on the turning bearing seat 231 and the clamping bearing seat 241, the number of the clamping rotating shafts 25 is six, the material clamping rotating shaft 25 is detachably connected with a material clamping connecting rod 26 matched with the hardware 4, the moving assembly 3 comprises a moving bottom plate 31 and a moving top plate 32 connected with the material clamping base 21, and the upper side and the lower side of the moving bottom plate 31 are respectively provided with a first moving device 33 and a second moving device 34 which move left and right and back and forth relative to the polishing machine frame 1; turning device 23 drives hardware 4 and carries out 360 degrees upsets around pressing from both sides the straight line of material connecting rod 26 place, be convenient for 4 each faces of hardware process, the machining efficiency and the effect of polishing process are improved, and make the clearance size that is used for hardware 4 between the material connecting rod 26 of pressing from both sides to adjust through clamping device 24, thereby make the not unidimensional hardware 4 of material subassembly 2 centre gripping, the removal subassembly 3 is convenient for the business turn over material and the processing of hardware 4 through first mobile device 33 and second mobile device 34 simultaneously.

A first overturning transmission wheel 233 and a second overturning transmission wheel 234 are fixedly arranged on the overturning motor 232 and the material clamping rotating shaft 25 close to one side of the overturning motor 232 respectively, a third overturning transmission wheel 235 positioned on the overturning bearing seat 231 is further arranged between the first overturning transmission wheel 233 and the second overturning transmission wheel 234, the first overturning transmission wheel 233, the second overturning transmission wheel 234 and the third overturning transmission wheel 235 are connected with each other through the arrangement of an overturning transmission belt, and the overturning motor 232 is fixedly connected with the overturning bearing seat 231 through the arrangement of a motor mounting plate 236; upset motor 232 drives through first upset drive wheel 233, second upset drive wheel 234, third upset drive wheel 235 and upset drive belt and presss from both sides material pivot 25 and rotate to make and press from both sides material pivot 25 and drive hardware 4 through pressing from both sides material connecting rod 26 and carry out 360 degrees upsets, thereby improve the machining efficiency and the effect of course of working.

A fixed open groove 251 is formed at one end of the clamping rotating shaft 25, the fixed open groove 251 is detachably connected with the clamping connecting rod 26 through a fixed bolt, the clamping rotating shaft 25 is respectively connected with the turnover bearing seat 231 and the clamping bearing 243 seat 241 through a clamping bearing which is sleeved on the clamping rotating shaft 25, the clamping rotating shaft 25 positioned on the clamping bearing 243 seat 241 is also mutually connected with the clamping cylinder 242 through a clamping bearing 243, and a clamping groove 261 which is matched with the two ends of the hardware 4 is formed in the clamping connecting rod 26; fixed fluting 251 can be dismantled with the clamp material connecting rod 26 through the bolt and be connected the position of being convenient for to press from both sides material connecting rod 26 adjustment, it rotates to press from both sides the material bearing and be convenient for to press from both sides material pivot 25, clamping component is connected with clamp material pivot 25 through die clamping cylinder 242, make the clearance size that is used for hardware 4 between two clamp material connecting rods 26 can be adjusted, thereby make the not unidimensional hardware 4 of clamp material subassembly 2 ability centre gripping, improve its suitability, it is convenient for to press from both sides material draw-in groove 261 to be connected with hardware 4, it can set up to have evenly distributed's tooth's socket on the inner wall to press from both sides material draw-in groove 261, it also improves the firm degree that both are connected to press from both sides the shape of.

The clamping base plate 22 and the clamping base 21 are mutually connected through at least four elastic telescopic columns 27, each elastic telescopic column 27 comprises a central rod 271 and an elastic support 272 sleeved on the central rod 271, each elastic support 272 is a compression spring, the upper end of the central rod 271 is fixedly connected with the clamping base plate 22, the lower end of the central rod 271 penetrates through the clamping base 21, and a flange linear bearing 273 fixedly connected with the clamping base 21 is sleeved on the lower portion of the central rod 271; the elastic telescopic column 27 can prevent the hardware 4 from being too tightly or too loosely contacted during processing, so that the processing depth of the hardware 4 is too deep or too shallow to influence the processing effect of the product.

The first moving device 33 comprises a moving side plate 331 fixedly connected with the moving bottom plate 31, a first moving motor 332 and a first moving screw 333 are arranged on the moving side plate 331, a first moving driving wheel 334 and a second moving driving wheel 335 are fixedly arranged on the first moving motor 332 and the first moving screw 333 respectively, the first moving driving wheel 334 and the second moving driving wheel 335 are connected with each other through a moving driving belt, the first moving device 33 further comprises a first moving slide block 321 and a first moving slide rail 311 which are connected in a sliding manner, and the first moving slide block 321 and the first moving slide rail 311 are fixedly connected with the moving top plate 32 and the moving bottom plate 31 respectively; the first moving motor 332 drives the first moving screw 333 to rotate, so as to drive the moving top plate 32 to slide left and right, and the hardware 4 can be conveniently fed and processed.

The second moving device 34 includes a second moving motor 341 and a second moving screw 342 connected to the second moving motor 341, the second moving screw 342 and the first moving screw 333 are respectively and fixedly connected to the moving base plate 31 and the moving top plate 32 through a sleeved moving nut seat 35, the second moving motor 341 and the second moving screw 342 are respectively and fixedly connected to the polishing machine frame 1 through a motor fixing seat 11 and a moving bearing seat 12, the second moving device 34 further includes a second moving slider 312 and a second moving slide rail 13 which are slidably connected, and the second moving slider 312 and the second moving slide rail 13 are respectively and fixedly connected to the moving base plate 31 and the polishing machine frame 1; the second moving motor 341 rotates by driving the second moving screw 342, and further drives the moving bottom plate 31 to slide left and right, so that the hardware 4 can be conveniently fed and discharged and processed.

The left side and the right side of the movable bottom plate 31 are fixedly connected with protective side plates 313 matched with the movable top plate 32, the front side and the rear side of the movable bottom plate 31 are respectively provided with a telescopic protective cover body, the protective cover bodies are matched with the second movable slide rail 13, and the protective cover bodies are formed by sequentially sleeving a plurality of protective shells 314 end to end; the protective side plates 313 and the protective cover can prevent debris generated by the hardware 4 in the process from entering the interior of the first moving device 33 and the second moving device 34 and influencing the moving process of the moving assembly 3.

The working principle is as follows: drive the action of pressing from both sides material connecting rod 26 through adjustment die clamping cylinder 242, and then the big or small clearance between the adjustment pressing from both sides material connecting rod 26 is in order to adapt to not unidimensional hardware 4, and be fixed in hardware 4 on the material clamping draw-in groove 261 of pressing from both sides material connecting rod 26, upset motor 232 rotates and rotates through driving material clamping pivot 25, and then drive material clamping connecting rod 26 and rotate, it carries out 360 degrees rotations around the straight line that material clamping connecting rod 26 is located to drive hardware 4 promptly, make hardware 4 need not pass through dismouting mode adjusting position after having processed an angle, just can obtain 360 degrees comprehensive processing to hardware 4, removal component 3 can make hardware 4 move to the assigned position through first mobile device 33 and second mobile device 34, be convenient for hardware 4's business turn over material and processing.

To sum up, the utility model discloses following beneficial effect has:

1. by arranging the turnover device 23, the turnover device drives the hardware 4 to turn 360 degrees around a straight line where the clamping connecting rod 26 is located, all surfaces of the hardware 4 can be machined without manually adjusting the position of the hardware 4, the hardware 4 can complete the whole machining at one time, the machining efficiency and the polishing effect in the polishing process are improved, and the size of a gap between the clamping connecting rods 26 for the hardware 4 can be adjusted through a clamping cylinder 242 in the clamping device 24, so that the clamping assembly 2 can clamp the hardware 4 with different sizes, and meanwhile, the moving assembly 3 is convenient for feeding, discharging and machining of the hardware 4 through a left-right moving device and a front-back moving device;

2. the fixed slot 251 is detachably connected with the material clamping connecting rod 26 through a bolt, so that the position of the material clamping connecting rod 26 can be conveniently adjusted; by arranging the elastic telescopic column 27, the phenomenon that the processing grinding depth of the hardware 4 is too deep or too shallow to influence the processing effect of a product due to too tight or too loose contact of the hardware 4 during processing can be avoided; through the mode that sets up protection side panel 313 and the shielding body, can prevent that the piece that hardware 4 produced in the process from getting into the inside of first mobile device 33 and second mobile device 34, causes the influence to the removal process of moving subassembly 3.

The above description is only the preferred embodiment of the present invention, and is not intended to limit the present invention, any modification, equivalent replacement, or improvement made within the design concept of the present invention should be included within the protection scope of the present invention.

Claims

1. The utility model provides a five metals burnishing machine's clamp material mechanism, including burnishing machine frame (1), the left and right sides of burnishing machine frame (1) all is provided with rather than the clamp material mechanism of looks adaptation, its characterized in that: the clamping mechanism comprises a clamping component (2) and a moving component (3) positioned on the lower side of the clamping mechanism, the clamping component (2) comprises a clamping base (21) and a clamping base plate (22) arranged on the upper side of the clamping base (21) in parallel, both sides of the clamping base plate (22) are respectively provided with a turnover device (23) and a clamping device (24), the turnover device (23) comprises a turnover bearing seat (231) and a turnover motor (232) which are matched with each other, the clamping device (24) comprises a clamping bearing (243) seat (241) and a clamping cylinder (242) arranged on one side of the clamping bearing seat (241), a plurality of clamping rotating shafts (25) which are matched with each other are respectively arranged on the turnover bearing seat (231) and the clamping bearing (243) seat (241) in an inserting way, and the clamping rotating shafts (25) are detachably connected with clamping connecting rods (26) which are matched with hardware (4), the moving assembly (3) comprises a moving bottom plate (31) and a moving top plate (32) connected with the clamping base (21), and a first moving device (33) and a second moving device (34) which move left and right and back and forth relative to the polishing machine frame (1) are respectively arranged on the upper side and the lower side of the moving bottom plate (31).

2. The clamping mechanism of the hardware polishing machine according to claim 1, characterized in that: the material clamping rotating shaft (25) on one side of the overturning motor (232) and close to the overturning motor (232) are fixedly provided with a first overturning transmission wheel (233) and a second overturning transmission wheel (234) respectively, a third overturning transmission wheel (235) located on the overturning bearing seat (231) is further arranged between the first overturning transmission wheel (233) and the second overturning transmission wheel (234), the first overturning transmission wheel (233), the second overturning transmission wheel (234) and the third overturning transmission wheel (235) are connected with each other through an overturning transmission belt, and the overturning motor (232) is fixedly connected with the overturning bearing seat (231) through a motor mounting plate (236).

3. The clamping mechanism of the hardware polishing machine according to claim 1, characterized in that: fixed fluting (251) has been seted up to the one end of pressing from both sides material pivot (25), and fixed fluting (251) can be dismantled with pressing from both sides material connecting rod (26) and be connected through setting up fixing bolt, press from both sides material pivot (25) establish through the cover press from both sides the material bearing respectively with upset bearing frame (231) and press from both sides tight bearing (243) seat (241) be connected, be located press from both sides material pivot (25) on tight bearing (243) seat (241) still through setting up press from both sides tight bearing (243) with die clamping cylinder (242) interconnect is provided with on pressing from both sides material connecting rod (26) with press from both sides material draw-in groove (261) of hardware (4) both ends looks adaptation.

4. The clamping mechanism of the hardware polishing machine according to any one of claims 1 to 3, characterized in that: press from both sides material base plate (22) and press from both sides material base (21) through setting up four piece at least elastic telescopic column (27) interconnect, elastic telescopic column (27) are including well core rod (271) and overlap elastic support (272) of arranging well core rod (271) in, the upper end of well core rod (271) with press from both sides material base plate (22) mutual fixed connection and its lower extreme run through in pressing from both sides material base (21), well core rod (271) lower part cover be equipped with press from both sides material base (21) fixed connection's flange linear bearing (273).

5. The clamping mechanism of the hardware polishing machine according to claim 1, characterized in that: the first moving device (33) comprises a moving side plate (331) fixedly connected with the moving bottom plate (31), a first moving motor (332) and a first moving screw rod (333) are arranged on the moving side plate (331), a first moving driving wheel (334) and a second moving driving wheel (335) are fixedly arranged on the first moving motor (332) and the first moving screw rod (333) respectively, the first moving driving wheel (334) and the second moving driving wheel (335) are connected with each other through a moving driving belt, the first moving device (33) further comprises a first moving sliding block (321) and a first moving sliding rail (311) which are in sliding connection, and the first moving sliding block (321) and the first moving sliding rail (311) are fixedly connected with the moving top plate (32) and the moving bottom plate (31) respectively.

6. The clamping mechanism of the hardware polishing machine according to claim 5, characterized in that: the second moving device (34) comprises a second moving motor (341) and a second moving screw rod (342) connected with the second moving motor (341), the second moving screw rod (342) and the first moving screw rod (333) are respectively and fixedly connected with the moving bottom plate (31) and the moving top plate (32) through sleeving a moving nut seat (35), the second moving motor (341) and the second moving screw rod (342) are respectively and mutually connected with the polishing machine frame (1) through a motor fixing seat (11) and a moving bearing seat (12), the second moving device (34) further comprises a second moving slide block (312) and a second moving slide rail (13) which are in sliding connection, and the second moving slide block (312) and the second moving slide rail (13) are respectively and fixedly connected with the moving bottom plate (31) and the polishing machine frame (1).

7. The clamping mechanism of the hardware polishing machine according to claim 6, characterized in that: the left and right sides fixedly connected with of removal bottom plate (31) with protection curb plate (313) of removal roof (32) looks adaptation, the front and back both sides of removing bottom plate (31) are equipped with the telescopic protective cover body respectively, the protective cover body with second movable slide rail (13) are mutually supported and the protective cover body is cup jointed in proper order by a plurality of protective housing (314) and is formed.