CN110202465B

CN110202465B - Stamping die surface finish device

Info

Publication number: CN110202465B
Application number: CN201910394084.4A
Authority: CN
Inventors: 余欢欢
Original assignee: Jiangmen Xinhui Shenghe Metal Products Co ltd
Current assignee: Jiangmen Xinhui Shenghe Metal Products Co ltd
Priority date: 2019-05-13
Filing date: 2019-05-13
Publication date: 2021-05-04
Anticipated expiration: 2039-05-13
Also published as: CN110202465A

Abstract

The invention provides a stamping die surface polishing device which comprises a machine body and an operation cavity positioned in the machine body, wherein a sliding device is arranged in the operation cavity, a first sliding frame is arranged in the operation cavity in a sliding manner, and a first transmission cavity is arranged in the first sliding frame; the stamping die surface polishing device is more reasonable and ingenious in overall structure, is very convenient to use, can simultaneously realize clamping and moving of workpieces, and is higher in polishing efficiency of the workpieces by utilizing a plurality of polishing heads in different rotating directions in the surface treatment process.

Description

Stamping die surface finish device

Technical Field

The invention relates to the field of surface treatment, in particular to a surface polishing device for a stamping die.

Background

People are when using the mould, are difficult to avoid causing the scratch to the mould surface, and in order to restore these surface scratches more difficult, use manpower and burnishing machine cooperation to use, just so cause the randomness of effect, lead to polishing effect not good, in addition when polishing some large-scale work pieces, the manpower is taken and is put inconveniently, the operation is difficult, causes personnel's bodily injury easily.

There are also automated polishing devices that use a single polishing head to polish, which tends to result in less precision and less efficiency in polishing.

Therefore, there is a need for further improvement of the surface treatment apparatus in the prior art, so as to improve the safety and efficiency of the treatment.

Disclosure of Invention

The invention aims to provide a surface polishing device for a stamping die, which can overcome the defects in the prior art and improve the safety and the efficiency of equipment.

The invention relates to a stamping die surface polishing device, which comprises a machine body and an operation cavity positioned in the machine body, wherein a sliding device is arranged in the operation cavity, a first sliding frame is arranged in the operation cavity in a sliding manner, a first transmission cavity is arranged in the first sliding frame, a polishing device is arranged in the first transmission cavity, a second transmission cavity is arranged in the left side end wall of the operation cavity, a first sliding cavity with a leftward opening is arranged in the right side end wall of the second transmission cavity, a first power switching device is arranged in the first sliding cavity, a sliding plate is arranged in the operation cavity in a vertically sliding manner, a second sliding frame is arranged above the sliding plate in a sliding manner, second sliding cavities with upward openings are symmetrically arranged in the second sliding frame in a left-right manner, a clamping device is arranged in the second sliding cavity, and a third transmission cavity extending downwards is arranged between the left second sliding cavity and the right second sliding, a third sliding cavity penetrating through the third transmission cavity is formed in the left end wall and the right end wall of the third transmission cavity, a second power switching device is arranged in the third sliding cavity, gear cavities with downward openings are symmetrically arranged in the left end wall and the right end wall of the third transmission cavity, a moving device is arranged in each gear cavity, a fourth transmission cavity is formed in the bottom wall of the operation cavity, and a lifting device is arranged in each fourth transmission cavity.

Wherein the sliding device comprises a first threaded hole which is arranged in the first sliding frame and is communicated with the left side and the right side, the first threaded hole is connected with a first threaded rod which extends to the left side and the right side in a matched manner, the left end of the first threaded rod is in power connection with a first motor in the end wall of the left side of the operation cavity, the polishing device comprises a fifth transmission cavity which is arranged in the top wall of the first transmission cavity and is provided with a downward opening, a spline housing is rotatably arranged in the fifth transmission cavity, a spline hole which is communicated with the left side and the right side is arranged in the spline housing, a spline shaft which extends to the left side and the right side is in spline matched connection in the spline hole, the left end of the spline shaft penetrates through the end wall of the left side of the operation cavity and extends into the second transmission cavity, a first bevel gear is fixedly arranged at the tail end of, the utility model discloses a gear box, including first cavity, first pivot, second cavity, first pivot end fixed mounting, second pivot end fixed mounting, first pivot end fixed mounting have the second pivot, first cavity internal fixed mounting have the second pivot, fixed mounting has the polishing piece on first pivot, second pivot and the turret diapire, first cavity internal first pivot end fixed mounting have first gear, in the first cavity second pivot surface fixed mounting have with first gear engagement's second gear, second pivot top end runs through first cavity roof stretch into first cavity and terminal fixed mounting have with second bevel gear engagement's third bevel gear.

The lifting device comprises a threaded sleeve which is rotatably arranged in a fourth transmission cavity, a first belt wheel is fixedly mounted on the outer surface of the threaded sleeve, a second threaded hole with an upward opening is formed in the top wall of the threaded sleeve, a second threaded rod which extends upwards is connected in a thread fit mode in the second threaded hole, the top end of the second threaded rod is fixedly connected with a second threaded rod of the sliding plate, a first rotating shaft is rotatably arranged between the fourth transmission cavity and the second transmission cavity, a fourth bevel gear is fixedly mounted at the tail end of the first rotating shaft in the second transmission cavity, a second belt wheel is fixedly mounted at the tail end of the first rotating shaft in the fourth transmission cavity, and the second belt wheel is in power connection with the first belt wheel.

Preferably, the first power switching device includes a first sliding block slidably disposed in the first sliding cavity, a second motor is fixedly disposed in a left end wall of the first sliding block, a fifth bevel gear engaged with the fourth bevel gear is fixedly mounted at a left extending end of an output shaft of the second motor, a first sliding hole is disposed between the first sliding cavity and the operating cavity in a communicating manner, a first sliding rod is slidably disposed in the first sliding hole, and a first elastic resetting device is elastically disposed between the first sliding rod and the end wall of the first sliding hole.

Preferably, the clamping device includes a second sliding block slidably disposed in the second sliding cavity, a clamping groove with an upward opening is disposed in the second sliding block, a third threaded hole with an opposite opening is disposed in the second sliding block, a third threaded rod is disposed in the third threaded hole, the end of the third threaded rod extends into the third transmission cavity, a third gear is fixedly disposed at the end of the third threaded rod, the moving device includes a left gear and a right gear, the moving device is rotatably disposed between the gear cavities and penetrates through a second rotating shaft of the third transmission cavity, a fourth gear meshed with a rack fixedly disposed on the top wall of the sliding plate is fixedly disposed at the end of the second rotating shaft in the gear cavity, and a fifth gear is fixedly disposed on the outer surface of the second rotating shaft in the third transmission cavity.

Preferably, the second power switching device includes a third sliding block which is arranged in the third sliding cavity and can slide up and down, a third cavity which penetrates through the third sliding block up and down is arranged in the third sliding block, a third motor is fixedly arranged in the end wall on the right side of the third cavity, a sixth gear is fixedly arranged at the left extending end of an output shaft of the third motor, a second elastic reset device is elastically arranged between the third sliding block and the end wall of the third sliding cavity, through grooves which penetrate through the third sliding block up and down are symmetrically arranged between the upper end wall and the lower end wall of the sliding plate, a second sliding hole which corresponds to the through grooves is arranged in the bottom wall of the third sliding cavity, and a second sliding rod which is fixedly connected with the third sliding block is slidably arranged in the second sliding hole.

The invention has the beneficial effects that: the stamping die surface polishing device is more reasonable and ingenious in overall structure, is very convenient to use, can simultaneously realize clamping and moving of workpieces, and is higher in polishing efficiency of the workpieces by utilizing a plurality of polishing heads in different rotating directions in the surface treatment process.

Drawings

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

Fig. 1 is a schematic view of the overall structure of a surface polishing apparatus for a press mold according to the present invention.

Fig. 2 is an enlarged schematic view of a in fig. 1.

Detailed Description

All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.

Any feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicate orientations or positional relationships based on those shown in fig. 1, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be considered as limiting the present invention.

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 present invention, "a plurality" means two or more unless specifically defined otherwise.

As shown in fig. 1-2, a surface polishing apparatus for a stamping die according to the present invention includes a body 100 and an operation chamber 101 located in the body 100, a sliding device is disposed in the operation chamber 101, a first sliding frame 131 is slidably disposed in the operation chamber 101, a first transmission chamber 124 is disposed in the first sliding frame 131, a polishing device is disposed in the first transmission chamber 124, a second transmission chamber 104 is disposed in a left end wall of the operation chamber 101, a first sliding chamber 114 with a left opening is disposed in a right end wall of the second transmission chamber 102, a first power switching device is disposed in the first sliding chamber 114, a sliding plate 119 is slidably disposed in the operation chamber 101 up and down, a second sliding frame 120 is slidably disposed above the sliding plate 119, a second sliding chamber 121 with an upward opening is symmetrically disposed in the second sliding frame 120, the clamping device is arranged in the second sliding cavity 121, a third transmission cavity 143 extending downwards is arranged between the left sliding cavity 121 and the right sliding cavity 121, a third sliding cavity 147 penetrating through the third transmission cavity 143 is arranged in the left end wall and the right end wall of the third transmission cavity 143, a second power switching device is arranged in the third sliding cavity 147, gear cavities 158 with downward openings are symmetrically arranged in the left end wall and the right end wall of the third transmission cavity 143, a moving device is arranged in the gear cavities 158, a fourth transmission cavity 118 is arranged in the bottom wall of the operation cavity 101, and a lifting device is arranged in the fourth transmission cavity 118.

Next, the detailed structure of the sliding device and the polishing device thereof according to the present application will be described in detail with reference to fig. 1-2, wherein the sliding device includes a first through hole 130 disposed in the first sliding frame 131, a first threaded rod 103 extending left and right is connected to the first threaded hole 130 in a threaded fit manner, the left end of the first threaded rod 103 is in power connection with the first motor 102 disposed in the left end wall of the operation chamber 101, the polishing device includes a fifth transmission chamber 129 having a downward opening disposed in the top wall of the first transmission chamber 124, a spline housing 127 is rotatably disposed in the fifth transmission chamber 129, a spline hole 126 extending left and right is disposed in the spline housing 127, a spline shaft 125 extending left and right is connected to the spline hole 126 in a spline fit manner, the left end of the spline shaft 125 penetrates through the left end wall of the operation chamber 101 and extends into the second transmission chamber 104, and a first bevel gear 105 is fixedly mounted at the left end, a second bevel gear 128 is fixedly mounted on the outer surface of the spline sleeve 127 in the fifth transmission cavity 129, a first cavity 136 with a downward opening is arranged in the bottom wall of the first sliding frame 131, a rotating frame 142 is rotatably arranged in the first cavity 136, a second cavity 138 with a downward opening is arranged in the bottom wall of the rotating frame 142, a first rotating shaft 137 with bilateral symmetry and a second rotating shaft 133 positioned between the left and right first rotating shafts 137 are rotatably arranged between the second cavity 138 and the first cavity 136, a first rotating block 139 is fixedly mounted at the tail end of the first rotating shaft 137 in the second cavity 138, a second rotating block 140 is fixedly mounted at the tail end of the second rotating shaft 133 in the second cavity 138, polishing sheets 141 are fixedly mounted on the bottom walls of the first rotating block 139, the second rotating block 140 and the rotating frame 142, and a first gear 135 is fixedly mounted at the tail end of the first rotating shaft 137 in the first cavity 136, the outer surface of the second rotating shaft 133 in the first cavity 136 is fixedly provided with a second gear 134 engaged with the first gear 135, the top end of the second rotating shaft 133 penetrates through the top wall of the first cavity 136 and extends into the first transmission cavity 124, and the end is fixedly provided with a third bevel gear 132 engaged with the second bevel gear 128.

The specific structure of the lifting device of the present application will be described in detail below with reference to figures 1-2, said lifting means comprise a threaded sleeve 154 rotatably arranged in said fourth transmission chamber 118, a first belt wheel 155 is fixedly arranged on the outer surface of the threaded sleeve 154, a second threaded hole 152 with an upward opening is arranged in the top wall of the threaded sleeve 154, a second threaded rod 153 extending upwards is connected with the second threaded hole 152 in a matching way, the top end of the second threaded rod 153 is fixedly connected with the second threaded rod 153 of the sliding plate 119, a first rotating shaft 115 is rotatably arranged between the fourth transmission cavity 118 and the second transmission cavity 104, a fourth bevel gear 111 is fixedly mounted at the end of the first rotating shaft 115 in the second transmission cavity 104, a second belt pulley 116 is fixedly arranged at the tail end of the first rotating shaft 115 in the fourth transmission cavity 104, the second pulley 116 is in power connection with the first pulley 155 via the belt 117.

Advantageously, as shown in fig. 1, the first power switching device includes a first sliding block 113 slidably disposed in the first sliding cavity 114, a second motor 112 is fixedly disposed in a left end wall of the first sliding block 113, an output shaft of the second motor 112 is fixedly mounted at a left extending end thereof with a fifth bevel gear 110 engaged with the fourth bevel gear 111, a first sliding hole 108 is disposed between the first sliding cavity 114 and the operating cavity 101 in communication, a first sliding rod 109 is slidably disposed in the first sliding hole 108, and a first elastic return device 107 is elastically disposed between the first sliding rod 109 and an end wall of the first sliding hole 108.

Advantageously, as shown in fig. 1, wherein said clamping means comprise a second sliding block 122 slidably arranged in said second sliding cavity 121, a clamping groove 123 with an upward opening is arranged in the second sliding block 122, a third threaded hole 163 with an opposite opening is arranged in the second sliding block 122, a third threaded rod 162 is arranged in the third threaded hole 163, the end of the third threaded rod 162 extends into the third transmission cavity 143, and a third gear 144 is fixedly arranged at the end, the moving device comprises a second rotating shaft 149 which is rotatably arranged between the left gear cavity 158 and the right gear cavity 158 and penetrates through the third transmission cavity 143, a fourth gear 157 engaged with a rack 156 fixedly provided on the top wall of the sliding plate is fixedly installed at the end of the second rotating shaft 149 in the gear chamber 158, a fifth gear 148 is fixedly mounted on the outer surface of the second rotating shaft 149 in the third transmission cavity 143.

Advantageously, as shown in fig. 1, the second power switching device includes a third sliding block 160 disposed in the third sliding chamber 147 and capable of sliding up and down, a third cavity 146 penetrating up and down is disposed in the third sliding block 160, a third motor 159 is fixedly mounted in a right end wall of the third cavity 146, a sixth gear 145 is fixedly mounted at a left extending end of an output shaft of the third motor 159, a second elastic return device 161 is elastically disposed between the third sliding block 160 and an end wall of the third sliding chamber 147, through slots 151 penetrating up and down are symmetrically disposed between an upper end wall and a lower end wall of the sliding plate 119, a second sliding hole corresponding to the through slot 151 is disposed in a bottom wall of the third sliding chamber 147, and a second sliding rod 150 fixedly connected to the third sliding block 160 is slidably disposed in the second sliding hole.

The method of using the resurfacing device of the present application will now be described in detail with reference to the accompanying fig. 1-2 and the specific components of the resurfacing device structure of the present application described above: first, in the initial state, the first motor 102, the second motor 112 and the third motor 159 are all in a stationary state, the first sliding frame 131 is located at the left side of the operation chamber 101, the first sliding block 114 is located at the bottom of the first sliding chamber 113, the fourth bevel gear 111 is engaged with the fifth bevel gear 110, the fifth bevel gear 110 is disengaged from the first bevel gear 105, the third sliding block 160 is located at the top of the third sliding chamber 147, the sixth gear 145 is engaged with the third gear 144, and the sixth gear 145 is disengaged from the fifth gear 148.

When the device works, a workpiece to be repaired is placed in the clamping groove 123, at this time, the third motor 159 is started to rotate to drive the sixth gear 145 to rotate, the sixth gear 145 rotates to drive the third gear 144 to rotate, the third gear 144 rotates to drive the third threaded rod 162 to rotate, the third threaded rod 162 rotates to drive the left and right second sliding blocks 122 to move oppositely to clamp the workpiece firmly, at this time, the second motor 112 is started, the second motor 112 rotates to drive the fifth bevel gear 110 to rotate, the fifth bevel gear 110 rotates to drive the fourth bevel gear 111 to rotate, the fourth bevel gear 111 rotates to drive the second belt wheel 116 to rotate, the second belt wheel 112 rotates to drive the first belt wheel 115 to rotate, and the first belt wheel 115 rotates to drive the threaded sleeve 154 to rotate, the threaded sleeve 154 rotates to drive the second threaded rod 153 to move upwards, the second threaded rod 153 moves upwards to drive the workpiece to move upwards, when the workpiece moves upwards to abut against the polishing pad 141, the second motor 112 is turned off, the second sliding rod 15 loses abutment with the sliding plate 119 moving upwards, the third sliding block 160 moves downwards under the action of the second elastic resetting device 161, at this time, the sixth gear 145 and the third gear 144 are in a separated state, the sixth gear 145 and the fifth gear 148 are in an engaged state, then the first motor 102 is started to rotate to drive the first sliding rack 131 to move rightwards, at this time, the first sliding rod 109 loses abutment and moves rightwards, the first sliding block 113 moves upwards, at this time, the fifth bevel gear 110 is separated from the fourth bevel gear 111, and the fifth bevel gear 110 is engaged with the first bevel gear 105, at this time, the second motor 112 is started to rotate to drive the fifth bevel gear 110 to rotate, the fifth bevel gear 110 rotates to drive the first bevel gear 105 to rotate, the first bevel gear 105 rotates to drive the spline shaft 106 to rotate, the spline shaft 106 rotates to drive the spline housing 127 to rotate, the spline housing 127 rotates to drive the second bevel gear 128 to rotate, the second bevel gear 128 rotates to drive the third bevel gear 132 to rotate, the third bevel gear 132 rotates to drive the second gear 134 to rotate, the second gear 134 rotates to drive the first gear 135 to rotate, the first gear 135 rotates and simultaneously rotates around the second gear 134 to drive the rotating frame 142 to rotate, and at this time, the first rotating block 139, the second rotating block 140 and the polishing sheets 141 fixedly mounted on the bottom wall of the rotating frame 142 rotate in different directions to polish the surface of the workpiece, meanwhile, the first motor 102 is matched to drive the polishing sheet 141 to move transversely, and the third motor 159 is matched to rotate to drive the sixth gear 145 to rotate so as to drive the fifth gear 148 to rotate so as to drive the fourth gear 157 and then the rack 156 to rotate, so that the second sliding frame 120 is driven to move back and forth, the workpiece is driven to move back and forth, and the overall polishing of the workpiece is realized.

From the above detailed analysis it can be seen that: the equipment of the invention realizes the rotation of the polishing tool and the up-and-down movement of the polishing workpiece by using the same power source, and meanwhile, the polishing tool consists of polishing heads rotating in multiple directions, so that the polishing effect is good, the efficiency is higher, and the feeding amount of polishing can be adjusted.

The equipment provided by the invention utilizes the same power source to drive the clamping of the workpiece and the forward and backward movement of the workpiece, can finish the surface repair of workpieces with different sizes, can adapt to the surface repair of different workpieces, and meanwhile, the clamping device can firmly clamp the workpiece, so that the workpiece is prevented from being thrown out due to the displacement of the workpiece in the polishing process, and the practicability and the safety of the equipment are improved.

Therefore, the surface polishing device for the stamping die is more reasonable and ingenious in overall structure, is very convenient to use, can simultaneously realize clamping and moving of workpieces, and is higher in polishing efficiency of the workpieces by utilizing a plurality of polishing heads in different rotating directions in the surface treatment process.

The above description is only an embodiment of the invention, but the scope of the invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the invention. Therefore, the protection scope of the invention should be subject to the protection scope defined by the claims.

Claims

1. A stamping die surface polishing device comprises a machine body and an operation cavity positioned in the machine body, wherein a sliding device is arranged in the operation cavity, a first sliding frame is arranged in the operation cavity in a sliding manner, a first transmission cavity is arranged in the first sliding frame, a polishing device is arranged in the first transmission cavity, a second transmission cavity is arranged in the end wall of the left side of the operation cavity, a first sliding cavity with a leftward opening is arranged in the end wall of the right side of the second transmission cavity, a first power switching device is arranged in the first sliding cavity, a sliding plate is arranged in the operation cavity in a vertically sliding manner, a second sliding frame is arranged above the sliding plate in a sliding manner, second sliding cavities with upward openings are symmetrically arranged in the second sliding frame in a left-right manner, a clamping device is arranged in the second sliding cavity, and a third transmission cavity extending downwards is arranged between the left sliding cavity and the right sliding cavity, a third sliding cavity penetrating through the third transmission cavity is formed in the left end wall and the right end wall of the third transmission cavity, a second power switching device is arranged in the third sliding cavity, gear cavities with downward openings are symmetrically formed in the left end wall and the right end wall of the third transmission cavity, a moving device is arranged in each gear cavity, a fourth transmission cavity is formed in the bottom wall of the operation cavity, and a lifting device is arranged in each fourth transmission cavity; the sliding device comprises a left and right through first threaded hole arranged in the first sliding frame, a left and right extending first threaded rod is connected with the first threaded hole in a matched manner, the left end of the first threaded rod is in power connection with a first motor in the left end wall of the operation cavity, the polishing device comprises a fifth transmission cavity with a downward opening and arranged in the top wall of the first transmission cavity, a spline sleeve is rotatably arranged in the fifth transmission cavity, a left and right through spline hole is arranged in the spline sleeve, a left and right extending spline shaft is connected in a matched manner in the spline hole, the left end of the spline shaft penetrates through the left end wall of the operation cavity and extends into the second transmission cavity, a first bevel gear is fixedly arranged at the tail end of the spline shaft, a second bevel gear is fixedly arranged on the outer surface of the spline sleeve in the fifth transmission cavity, and a first cavity with a downward opening is arranged in, the utility model discloses a gear box, including first cavity, first pivot, second cavity, first pivot end fixed mounting, second pivot end fixed mounting, first pivot end fixed mounting have the second pivot, first cavity internal fixed mounting have the second pivot, fixed mounting has the polishing piece on first pivot, second pivot and the turret diapire, first cavity internal first pivot end fixed mounting have first gear, in the first cavity second pivot surface fixed mounting have with first gear engagement's second gear, second pivot top end runs through first cavity roof stretch into first cavity and terminal fixed mounting have with second bevel gear engagement's third bevel gear.

2. The surface polishing device for a press die according to claim 1, wherein: the ascending device comprises a threaded sleeve which is rotatably arranged in a fourth transmission cavity, a first belt wheel is fixedly arranged on the outer surface of the threaded sleeve, a second threaded hole with an upward opening is formed in the top wall of the threaded sleeve, a second threaded rod which extends upwards is connected with the second threaded hole in a thread fit mode, the top end of the second threaded rod is fixedly connected with a second threaded rod of the sliding plate, a first rotating shaft is rotatably arranged between the fourth transmission cavity and the second transmission cavity, a fourth bevel gear is fixedly arranged at the tail end of the first rotating shaft in the second transmission cavity, a second belt wheel is fixedly arranged at the tail end of the first rotating shaft in the fourth transmission cavity, and the second belt wheel is connected with the first belt wheel through belt power.

3. The surface polishing device for a press die according to claim 2, wherein: the first power switching device comprises a first sliding block which is arranged in the first sliding cavity in a sliding mode, a second motor is fixedly arranged in the end wall of the left side of the first sliding block, the output shaft of the second motor extends leftwards, the tail end of the output shaft of the second motor is fixedly provided with a fifth bevel gear meshed with the fourth bevel gear, a first sliding hole is formed in the first sliding cavity and communicated with the operation cavity, a first sliding rod is arranged in the first sliding hole in a sliding mode, and a first elastic resetting device is elastically arranged between the first sliding rod and the end wall of the first sliding hole.

4. The surface polishing device for a press die according to claim 3, wherein: clamping device includes the second sliding block that the slidable of second slip intracavity set up, be provided with the ascending centre gripping groove of opening in the second sliding block, be provided with the third screw hole that the opening is relative in the second sliding block, threaded hole of third is provided with the third threaded rod, the end of third threaded rod stretches into third transmission intracavity and terminal fixed mounting have the third gear, mobile device about including two rotate between the gear chamber and set up run through the second pivot in third transmission chamber, the terminal fixed mounting of second pivot in the gear chamber have with fixed rack toothing's that sets up fourth gear on the sliding plate roof, in the third transmission intracavity second pivot surface fixed mounting has the fifth gear.

5. The surface polishing device for a press die according to claim 4, wherein: the second power switching device comprises a third sliding block which is arranged in a third sliding cavity in a vertically sliding mode, a third cavity which penetrates through the third sliding block from top to bottom is formed in the third sliding block, a third motor is fixedly arranged in the end wall on the right side of the third cavity, a sixth gear is fixedly arranged at the tail end of an output shaft of the third motor in a leftward extending mode, a second elastic reset device is elastically arranged between the third sliding block and the end wall of the third sliding cavity, through grooves which are vertically communicated are symmetrically arranged between the upper end wall and the lower end wall of the sliding plate in a bilateral mode, a second sliding hole which corresponds to the through grooves is formed in the bottom wall of the third sliding cavity, and a second sliding rod which is fixedly connected with the third sliding block is slidably arranged in the second sliding.