CN114849956B

CN114849956B - Hardware surface treatment device

Info

Publication number: CN114849956B
Application number: CN202210562990.2A
Authority: CN
Inventors: 钟永福; 钟文婷; 钟文杰; 钟文斌
Original assignee: Ganzhou Jiabeile Industrial Development Co ltd
Current assignee: Ganzhou Jiabeile Industrial Development Co ltd
Priority date: 2022-05-23
Filing date: 2022-05-23
Publication date: 2023-02-28
Anticipated expiration: 2042-05-23
Also published as: CN114849956A

Abstract

The invention relates to a processing device, in particular to a hardware surface processing device. The invention provides a hardware surface treatment device which can automatically separate and treat a plurality of hardware and has high treatment efficiency and ideal effect. The invention provides a hardware surface treatment device which comprises a supporting block, a fixing plate, an outer frame, a first positioning frame, a first fixing frame and the like; the bottom side of frame is connected with the fixed plate, and the left part bottom side and the right part bottom side of fixed plate are all connected with the supporting shoe by the longitudinal symmetry formula, and the material of supporting shoe is the rubber material, can play skid-proof effect. Through pressing from both sides tight hardware of clamp to the surface area that makes the hardware exposes more, conveniently in the operation of carrying out comprehensive spraying paint, also can separately handle a plurality of hardware simultaneously, it is rotatory through the motor drive chain, thereby make the hardware rotatory, the rethread shower nozzle just can be in turn to the processing of spraying paint to the hardware, has improved the effect of the processing of spraying paint.

Description

Hardware surface treatment device

Technical Field

The invention relates to a processing device, in particular to a hardware surface processing device.

Background

The hardware is a tool obtained by processing or casting metal materials such as gold, silver, copper, iron, tin and the like, and is a common article in life, because materials such as gold, silver, copper, iron, tin and the like are contacted with water and air for a long time, the surface of the materials can be corroded, the service life of the hardware is reduced, the surface of the hardware needs to be painted, the existing painting treatment is mostly carried out by using special treatment devices, and although the treatment devices can be used for painting the hardware, the treatment effect is not ideal.

For example, patent grant publication No. CN213255361U, announcement day are 20210525 and disclose a high-efficient hardware surface paint spraying apparatus, including the paint spraying machine body, paint spraying machine body upper surface is connected with the storehouse of spraying paint, the inside lower surface intermediate position department in storehouse of spraying paint is connected with the workstation, it is connected with exhaust apparatus to spray paint storehouse upper surface one side, exhaust apparatus lateral wall one side is connected with the intake pipe, the intake pipe lower extreme is equipped with the treatment case. Although this efficient hardware surface paint spraying apparatus can carry out the processing of spraying paint to the hardware, can't divide automatically to handle a plurality of hardware, the efficiency ratio of its processing is relatively poor, and the time that consumes is more, simultaneously, because the hardware is placed on, the effect of its processing also can be less than ideal.

According to the defects in the prior art, the hardware surface treatment device which can automatically separate and treat a plurality of hardware, is high in treatment efficiency and ideal in effect is designed.

Disclosure of Invention

The invention aims to overcome the defects that the prior art cannot automatically separate a plurality of hardware, the processing efficiency is poor, the consumed time is long, and the processing effect is not ideal.

In order to solve the technical problem, the invention provides a hardware surface treatment device which comprises a supporting block, a fixed plate, an outer frame, a first positioning frame, a first fixing frame, a pump body, a spray head, a conveying pipe, supporting plates, a discharging frame, a baffle plate, a clamping mechanism and a conveying mechanism, wherein the bottom side of the outer frame is connected with the fixed plate, the left bottom side and the right bottom side of the fixed plate are respectively connected with the supporting block in a front-back symmetrical mode, the top side of the fixed plate is connected with the first fixing frame, the inner side of the middle part of the outer frame is connected with the first positioning frame surrounding the first fixing frame, a gap between the first positioning frame and the first fixing frame is named as a first guide groove, the right side of the lower part of the outer frame is connected with two supporting plates which are arranged in a front-back symmetrical mode, the discharging frame is connected between the two supporting plates, the upper right side of the discharging frame is rotatably provided with the baffle plate, the right inner wall of the middle part of the outer frame is provided with the pump body, the pump body is communicated with the two conveying pipes extending to the inner bottom of the discharging frame, the left side of the pump body is communicated with the spray head, the first guide groove is provided with the clamping mechanism for clamping mechanism, and the conveying mechanism for driving the clamping mechanism is arranged on the fixed plate.

Preferably, the device further comprises a first torsion spring, and two first torsion springs for resetting are connected between the shielding plate and the discharge frame.

Preferably, the clamping mechanism comprises a rotating rod, a guide frame, two sliding blocks, a clamping frame and a compression spring, the rotating rod is slidably arranged on the first guide groove, the guide frame is connected to the top side of the rotating rod, the two sliding blocks are slidably arranged on the upper portion of the guide frame, the compression spring is connected between the sliding blocks and the guide frame, and the clamping frame is connected to the upper side of the sliding blocks.

Preferably, transport mechanism is including the second locating frame, including a motor, an end cap, a controller, and a cover plate, the motor, lack the gear, the second mount, first pivot, first gear, sprocket and chain, bilateral symmetry formula is connected with the second mount between two inner walls around the lower part of frame, the middle part rotary type of second mount is equipped with first pivot, the upper end of first pivot is connected with the sprocket, around being equipped with the chain between two sprockets, the upper portion of right-hand first pivot is connected with the first gear that is located the sprocket below, the motor is installed to the right side upside of fixed plate, be connected with on the output shaft of motor and lack the gear with first gear engagement, the upside interval of chain is connected with the second locating frame evenly, the dwang rotary type runs through in the second locating frame.

Preferably, still including slewing mechanism, slewing mechanism is including the dead lever, the arc pole, push away the ball, the space cam, first elastic component and second torsion spring, be connected with second torsion spring between dwang and the second locating frame, the bottom side of dwang is connected with the space cam, the lower part outside of second locating frame is connected with the dead lever, the overall shape of dead lever is the U-shaped, third guide way has all been opened to both sides around the lower part of dead lever, the slidingtype is equipped with the arc pole between the third guide way of two, be connected with first elastic component between arc pole and the dead lever, be connected with on the arc pole with space cam slidingtype complex push away the ball.

Preferably, the device also comprises a pushing mechanism, the pushing mechanism comprises a supporting rod, a second rotating shaft, a second gear, an eccentric wheel, a positioning block and a pushing frame, the positioning block is symmetrically connected to the front and back of the top side of the middle part of the right second fixing frame, the pushing frame is slidably arranged on the upper parts of the two positioning blocks, a second guide groove is formed in the left part of the pushing frame, the supporting rod is connected to the right side of the lower part of the right first fixing frame, the second rotating shaft penetrates through the middle part of the supporting rod in a rotating manner, the upper end of the second rotating shaft is connected with the second gear, the gear is not meshed with the second gear, and the lower end of the second rotating shaft is connected with the eccentric wheel in contact fit with the second guide groove.

Preferably, the shoe cover further comprises a spreading mechanism, the spreading mechanism comprises a positioning plate, a handle, a spreading rod, a connecting column and a second elastic part, the lower portion of the sliding block is connected with the connecting column, the positioning plate is connected to the upper side of the front portion of the fixing plate, the handle is arranged on the upper portion of the positioning plate in a sliding mode, the rear side of the handle is connected with the spreading rod used for extruding the connecting column, and the second elastic part is connected between the spreading rod and the positioning plate.

Preferably, the drying device further comprises a drying mechanism, the drying mechanism comprises a positioning frame, a fan and an electric heating tube, the top side of the first fixing frame is connected with the positioning frame, the fan is installed in the middle of the positioning frame, and the electric heating tube used for heating the hardware is installed on the rear upper portion of the positioning frame.

On the basis of overcoming the defects of the prior art, the invention can also achieve the following beneficial effects:

1. through pressing from both sides tight hardware of tight frame to the surface area that makes the hardware exposes to the ground more, conveniently in the operation of carrying out comprehensive spraying paint, also can separately handle a plurality of hardware simultaneously, it is rotatory through the motor drive chain, thereby make the hardware rotatory, the rethread shower nozzle just can be in turn to the hardware processing of spraying paint, has improved the effect of the processing of spraying paint.

2. Through the drive of motor, make the promotion frame promote the arc pole and move up, the arc pole can drive and promote ball rebound extrusion space cam rotatory to make it is rotatory to press from both sides tight hardware by the clamping frame, with this trade the operation that the face sprayed paint to the hardware, and then improved the effect and the efficiency of spraying paint.

3. The supporting rod is pushed backwards through the handle, and the supporting rod can extrude the two symmetrical connecting columns, so that the two symmetrical clamping frames can be conveniently moved in the direction of being away from each other, and an operator does not need to pull the clamping frames.

4. Can dry the operation through fan and electrothermal tube to the hardware after spraying paint to make the lacquer liquid on hardware surface condense sooner, and then make the operating personnel can conveniently take off the hardware from this device fast.

Drawings

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

Fig. 2 is a first partial cross-sectional view of the invention.

Fig. 3 is a second partial cross-sectional view of the invention.

Fig. 4 is a partial perspective view of the present invention.

Fig. 5 is a partial cross-sectional view of a first transfer mechanism of the present invention.

Fig. 6 is a partial cross-sectional view of a second delivery mechanism of the present invention.

Fig. 7 is a perspective view of the clamping mechanism of the present invention.

Fig. 8 is a schematic perspective view of a first pushing mechanism according to the present invention.

Fig. 9 is a schematic perspective view of a second pushing mechanism according to the present invention.

Fig. 10 is a perspective view of the rotating mechanism of the present invention.

Fig. 11 is a schematic perspective view of a first distraction mechanism according to the invention.

Fig. 12 is a schematic perspective view of a second distraction mechanism according to the invention.

Fig. 13 is a schematic perspective view of the drying mechanism of the present invention.

The labels in the figures are: 1-supporting block, 2-fixing plate, 3-outer frame, 4-first positioning frame, 5-first fixing frame, 6-first guiding groove, 7-pump body, 8-spray head, 9-delivery pipe, 10-supporting plate, 11-discharging frame, 12-shielding plate, 13-first torsion spring, 14-transmission mechanism, 151-second positioning frame, 141-motor, 142-missing gear, 143-second fixing frame, 144-first rotating shaft, 145-first gear, 146-sprocket, 147-chain, 15-clamping mechanism, 152-rotating rod, 153-guiding frame, 154-slider, 155-clamping frame, 156-compression spring, 16-pushing mechanism, 161-supporting rod, 162-second rotating shaft, 163-second gear, 164-eccentric wheel, 165-positioning block, 166-pushing frame, 167-second guiding groove, 17-rotating mechanism, 171-fixing rod, 172-third guiding groove, 173-arc rod, 174-pushing ball, 1-174space, cam-elastic first positioning block, 175-elastic positioning block, 175-drying elastic positioning block, 183-second guiding groove, 183-handle-positioning mechanism, 183-elastic positioning block, 183-elastic positioning mechanism, 183-elastic positioning block, and 183-handle-elastic positioning mechanism.

Detailed Description

The invention is further described below with reference to the figures and examples.

Example 1

A hardware surface treatment device is shown in figures 1-4 and comprises a supporting block 1, a fixing plate 2, an outer frame 3, a first positioning frame 4, a first fixing frame 5, a pump body 7, a spray head 8, a conveying pipe 9, a supporting plate 10, a discharging frame 11, a baffle plate 12, a clamping mechanism 15 and a conveying mechanism 14, wherein the fixing plate 2 is bolted at the bottom side of the outer frame 3, the supporting blocks 1 are bolted at the left bottom side and the right bottom side of the fixing plate 2 in a front-back symmetrical mode, the supporting block 1 is made of rubber and can play a role of skid resistance, the first fixing frame 5 is bolted at the top side of the fixing plate 2, the first positioning frame 4 surrounding the first fixing frame 5 is welded at the inner side of the middle part of the outer frame 3, the clearance between first locating frame 4 and the first mount 5 is named as first guide way 6, the lower part right side welding of frame 3 has two backup pads 10, symmetrical formula setting around two backup pads 10 are, the bolt has blowing frame 11 between two backup pads 10, the upper portion right side rotary type of blowing frame 11 is equipped with shielding plate 12, the pump body 7 that is located first locating frame 4 top is installed through screwed connection's mode to the middle part right side inner wall of frame 3, the intercommunication has two conveyer pipes 9 that extend to the bottom in the blowing frame 11 between the pump body 7 and the blowing frame 11, the left side intercommunication of the pump body 7 has shower nozzle 8, be provided with eight clamping mechanism 15 that are used for pressing from both sides tight hardware on the first guide way 6, be provided with the transport mechanism 14 that is used for driving clamping mechanism 15 on the fixed plate 2.

As shown in fig. 4, the device further comprises a first torsion spring 13, and two first torsion springs 13 for resetting are connected between the shielding plate 12 and the discharge frame 11.

As shown in fig. 7, the clamping mechanism 15 includes a rotating rod 152, a guide frame 153, a sliding block 154, a clamping frame 155 and a compression spring 156, the rotating rod 152 is slidably disposed in the first guide groove 6, the guide frame 153 is bolted to the top side of the rotating rod 152, two sliding blocks 154 are slidably disposed on the upper portion of the guide frame 153, the compression spring 156 is connected between the sliding blocks 154 and the guide frame 153, and the clamping frame 155 for clamping hardware is connected to the upper side of the sliding blocks 154.

As shown in fig. 5 and 6, the transfer mechanism 14 includes a second positioning frame 151, a motor 141, a missing gear 142, a second fixing frame 143, a first rotating shaft 144, a first gear 145, a sprocket 146, and a chain 147, the second fixing frame 143 is bolted in a bilateral symmetry manner between the front and rear inner walls of the lower portion of the outer frame 3, the first rotating shaft 144 is rotatably provided in the middle of the second fixing frame 143, the sprocket 146 is connected to the upper end of the first rotating shaft 144, the chain 147 is wound between the two sprockets 146, the first gear 145 located below the sprocket 146 is connected to the upper portion of the right first rotating shaft 144, the motor 141 for power output is mounted on the upper right portion of the fixing plate 2 by means of screw connection, the missing gear 142 engaged with the first gear 145 is connected to the output shaft of the motor 141, eight second positioning frames 151 are uniformly connected to the upper side of the chain 147 at intervals, and the rotating shaft 152 rotatably penetrates through the second positioning frames 151.

When an operator needs to use the device to treat the surface of a hardware, firstly, the shielding plate 12 is in a closed state, the operator rotates the shielding plate 12 to open the shielding plate 12, the first torsion spring 13 is deformed, after the shielding plate 12 is opened, the operator adds paint liquid into the material placing frame 11, then releases the shielding plate 12, the first torsion spring 13 is restored, the shielding plate 12 can reversely rotate and restore under the restoring action of the first torsion spring 13, the operator can fix the hardware through the clamping mechanism 15, firstly moves the two clamping frames 155 in the directions away from each other, the clamping frames 155 can drive the sliding block 154 to move, the compression spring 156 is compressed, then the operator places the hardware to be treated between the two clamping frames 155, releases the clamping frames 155, the compression spring 156 is restored, the sliding block 154 can drive the clamping frames 155 to move under the restoring action of the compression spring 156, the two clamping frames 155 move towards the direction close to each other to clamp the hardware, the eight clamping mechanisms 15 clamp the hardware by repeating the steps, then the operator starts the motor 141, the output shaft of the motor 141 drives the gear-lacking 142 to rotate, the gear-lacking 142 is meshed with the first gear 145 in the rotating process, the first gear 145 drives the first rotating shaft 144, the chain wheel 146 and the chain 147 to rotate, the chain 147 rotates to drive the rotating rod 152 to rotate along with the chain 147 through the second positioning frame 151, the rotating rod 152 drives all parts arranged on the rotating rod to rotate along with the chain 147, so that the hardware rotates along with the chain 147, when the hardware is positioned right of the spray head 8, the gear-lacking 142 continues to rotate and can be separated from the first gear 145, the hardware stays right of the spray head 8 along with the gear-lacking, the operator starts the pump body 7 again, the pump body 7 sucks the paint liquid in the discharge frame 11 into the spray head 8 through the delivery pipe 9, shower nozzle 8 can spout lacquer liquid to the hardware on, with this surface to the hardware processing of spraying paint, then lack gear 142 and continue to rotate and can mesh with first gear 145 once more, thereby handle spraying paint to next hardware, so reciprocal just can make the hardware stop in shower nozzle 8 right-hand, after the processing of spraying paint to the hardware is accomplished, the operator closes pump body 7 and motor 141, the stoving hardware, take off the hardware from pressing from both sides tight frame 155 afterwards, compression spring 156 resets, slider 154 can drive under the effect that compression spring 156 resets and press from both sides tight frame 155 and remove and reset, with this operation that can accomplish and carry out the processing to the hardware surface.

Example 2

On the basis of embodiment 1, as shown in fig. 2 and 10, the clamping device further includes a rotating mechanism 17 for driving the clamping frame 155 to rotate, the rotating mechanism 17 includes a fixing rod 171, an arc-shaped rod 173, a pushing ball 174, a space cam 1741, a first elastic member 175 and a second torsion spring 176, the second torsion spring 176 is connected between the rotating rod 152 and the second positioning frame 151, the space cam 1741 is bolted on the bottom side of the rotating rod 152, the fixing rod 171 is welded on the outer side of the lower portion of the second positioning frame 151, third guide grooves 172 are formed on the front and rear sides of the lower portion of the fixing rod 171, a sliding arc-shaped rod 173 is arranged between the two third guide grooves 172, the first elastic member 175 is connected between the arc-shaped rod 173 and the fixing rod 171, and the pushing ball 174 which is slidably engaged with the space cam 1741 is connected on the arc-shaped rod 173.

As shown in fig. 2, 8 and 9, the device further includes a pushing mechanism 16 for driving the rotating mechanism 17, the pushing mechanism 16 includes a support rod 161, a second rotating shaft 162, a second gear 163, an eccentric wheel 164, positioning blocks 165 and a pushing frame 166, the positioning blocks 165 are symmetrically bolted on the top side of the middle portion of the right second fixing frame 143 in a front-back symmetric manner, the pushing frame 166 is slidably disposed on the upper portions of the two positioning blocks 165, a second guide groove 167 is formed in the left portion of the pushing frame 166, the support rod 161 is bolted on the right side of the lower portion of the right first fixing frame 5, the second rotating shaft 162 rotatably penetrates through the middle portion of the support rod 161, the second gear 163 is connected to the upper end of the second rotating shaft 162, the gear 142 is engaged with the second gear 163, and the eccentric wheel 164 in contact fit with the second guide groove 167 is connected to the lower end of the second rotating shaft 162.

When the gear lack 142 is separated from the first gear 145 and the hardware stays on the gear lack 142, the gear lack 142 will be firstly engaged with the second gear 163 when rotating continuously, the second gear 163 will drive the eccentric wheel 164 to rotate for one turn through the second rotating shaft 162, the eccentric wheel 164 will firstly press the pushing frame 166 to move to the right and then press the pushing frame 166 to move to the left, the pushing frame 166 will press the arc rod 173 to move upwards when moving to the right, the first elastic member 175 is compressed, the arc rod 173 moves upwards to drive the pushing ball 174 to move upwards, the pushing ball 174 will drive the space cam 1741 to rotate when moving upwards, the space cam 1741 will drive the rotating rod 152 to rotate on the second positioning frame 151, the second torsion spring 176 deforms, and the rotating rod 152 will drive all the components arranged thereon to rotate, so as to make the hardware clamped by the frame 155 to rotate, therefore, the hardware is subjected to surface changing and paint spraying operation, the pushing frame 166 loosens the arc-shaped rod 173 in the process of moving leftwards, the first elastic part 175 resets, the arc-shaped rod 173 moves downwards under the action of the reset of the first elastic part 175 and drives the pushing ball 174 to move downwards, the pushing ball 174 moves downwards and pushes the space cam 1741 to rotate reversely, the second torsion spring 176 resets accordingly, the rotating rod 152 also rotates reversely on the second positioning frame 151 and drives all parts arranged on the rotating rod to rotate reversely, the missing gear 142 continues to rotate and can be disengaged from the second gear 163 and be engaged with the first gear 145, so that the next hardware is replaced, then the missing gear 142 continues to rotate and can be disengaged from the first gear 145 and the second gear 163, and thus, the surface changing and paint spraying operation can be continuously performed on different hardware by reciprocating.

Example 3

On the basis of embodiment 2, as shown in fig. 2, 11 and 12, the clamping device further includes a spreading mechanism 18 for assisting the clamping mechanism 15, the spreading mechanism 18 includes a positioning plate 181, a handle 182, a spreading rod 183, a connecting rod 184 and a second elastic member 185, the lower portion of the sliding block 154 is bolted with the connecting rod 184, the positioning plate 181 is welded on the upper side of the front portion of the fixing plate 2, the handle 182 is slidably arranged on the upper portion of the positioning plate 181, a spreading rod 183 for pressing the connecting rod 184 is bolted on the rear side of the handle 182, and the second elastic member 185 is connected between the spreading rod 183 and the positioning plate 181.

An operator pushes the supporting rod 183 backwards through the handle 182, the second elastic piece 185 stretches, the supporting rod 183 can extrude the two symmetrical connecting columns 184 in the process of moving backwards, the two symmetrical connecting columns 184 move towards the direction away from each other along with the two symmetrical connecting columns 184, the connecting columns 184 can drive the sliding block 154 to move, the compression spring 156 is compressed, so that the two symmetrical clamping frames 155 can conveniently move towards the direction away from each other, then the operator places the hardware between the two symmetrical clamping frames 155, the handle 182 is released, the second elastic piece 185 resets, the supporting rod 183 can move backwards under the action of the reset of the second elastic piece 185 to release the connecting columns 184, and the compression spring 156 resets, so that the clamping frames 155 clamp the hardware.

Example 4

On the basis of embodiment 3, as shown in fig. 2 and 13, the drying device 19 for drying hardware is further included, the drying device 19 includes a positioning frame 191, a fan 192 and an electric heating tube 193, the positioning frame 191 is bolted to the top side of the first fixing frame 5, the fan 192 is installed in the middle of the positioning frame 191 through a screw connection mode, and the electric heating tube 193 for heating hardware through a screw connection mode is installed at the upper rear portion of the positioning frame 191.

After the hardware is subjected to paint spraying treatment, an operator starts the electric heating tube 193 and the fan 192, and the hardware which is just sprayed with paint is dried through the electric heating tube 193 and the fan 192, so that the operator can take the hardware which is subjected to paint spraying treatment out of the device more conveniently and rapidly.

The above-mentioned embodiments only express the preferred embodiments of the present invention, and the description thereof is specific and detailed, but not to be understood as the limitation of the scope of the present invention. It should be noted that various changes, modifications and substitutions may be made by those skilled in the art without departing from the spirit of the invention, and all are intended to be included within the scope of the invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A hardware surface treatment device comprises a supporting block (1), a fixing plate (2), an outer frame (3), a first positioning frame (4), a first fixing frame (5), a pump body (7), a spray head (8), a conveying pipe (9), a supporting plate (10), a discharging frame (11) and a baffle plate (12), wherein the bottom side of the outer frame (3) is connected with the fixing plate (2), the left bottom side and the right bottom side of the fixing plate (2) are respectively connected with the supporting block (1) in a front-back symmetrical mode, the top side of the fixing plate (2) is connected with the first fixing frame (5), the inner side of the middle part of the outer frame (3) is connected with the first positioning frame (4) surrounding the first fixing frame (5), a gap between the first positioning frame (4) and the first fixing frame (5) is named as a first guide groove (6), the right side of the lower part of the outer frame (3) is connected with the two supporting plates (10), the two supporting plates (10) are respectively arranged in a front-back symmetrical mode, the two supporting plates (11) are connected between the two supporting plates (10), the right side of the upper part of the discharging frame (11) is provided with the rotating type, the baffle plate (7) is arranged on the inner wall of the outer frame (3), the right side, the conveying pipe (7) and the conveying pipe (11) are connected with the inner side of the pump body (11), the left side of the pump body (7) is communicated with a spray head (8), and the pump is characterized by further comprising a clamping mechanism (15) and a conveying mechanism (14), wherein the first guide groove (6) is provided with the clamping mechanism (15) for clamping hardware, and the fixing plate (2) is provided with the conveying mechanism (14) for driving the clamping mechanism (15); the device also comprises a first torsion spring (13), and two first torsion springs (13) for resetting are connected between the shielding plate (12) and the discharging frame (11); the clamping mechanism (15) comprises a rotating rod (152), a guide frame (153), a sliding block (154), a clamping frame (155) and a compression spring (156), the rotating rod (152) is arranged on the first guide groove (6) in a sliding mode, the guide frame (153) is connected to the top side of the rotating rod (152), two sliding blocks (154) are arranged on the upper portion of the guide frame (153) in a sliding mode, the compression spring (156) is connected between the sliding blocks (154) and the guide frame (153), and the clamping frame (155) is connected to the upper side of each sliding block (154); the conveying mechanism (14) comprises a second positioning frame (151), a motor (141), a gear lacking wheel (142), a second fixing frame (143), a first rotating shaft (144), a first gear (145), a chain wheel (146) and a chain (147), the second fixing frame (143) is symmetrically connected between the front inner wall and the rear inner wall of the lower portion of the outer frame (3) in the left-right direction, a first rotating shaft (144) is rotatably arranged in the middle of the second fixing frame (143), the upper end of the first rotating shaft (144) is connected with the chain wheel (146), the chain (147) is wound between the two chain wheels (146), the first gear (145) positioned below the chain wheel (146) is connected to the upper portion of the right first rotating shaft (144), the motor (141) is installed on the upper side of the right portion of the fixing plate (2), the gear lacking wheel (142) meshed with the first gear (145) is connected to an output shaft of the motor (141), the second positioning frames (151) are uniformly connected to the upper side of the chain (147) at intervals, and the rotating rod (152) rotatably penetrates through the second positioning frame (151); the novel push ball fixing device is characterized by further comprising a rotating mechanism (17), wherein the rotating mechanism (17) comprises a fixing rod (171), an arc-shaped rod (173), a push ball (174), a space cam (1741), a first elastic part (175) and a second torsion spring (176), the second torsion spring (176) is connected between the rotating rod (152) and a second positioning frame (151), the space cam (1741) is connected to the bottom side of the rotating rod (152), the fixing rod (171) is connected to the outer side of the lower portion of the second positioning frame (151), the fixing rod (171) is U-shaped in overall shape, third guide grooves (172) are formed in the front side and the rear side of the lower portion of the fixing rod (171), the arc-shaped rod (173) is arranged between the two third guide grooves (172) in a sliding mode, the first elastic part (175) is connected between the arc-shaped rod (173) and the fixing rod (171), and the push ball (174) in sliding fit with the space cam (1741) is connected to the arc-shaped rod (173).

2. The hardware surface treatment device according to claim 1, further comprising a pushing mechanism (16), wherein the pushing mechanism (16) comprises a supporting rod (161), a second rotating shaft (162), a second gear (163), an eccentric wheel (164), a positioning block (165) and a pushing frame (166), the positioning block (165) is symmetrically connected to the front and back of the top side of the middle portion of the right second fixing frame (143), the pushing frame (166) is slidably arranged on the upper portions of the two positioning blocks (165), a second guide groove (167) is formed in the left portion of the pushing frame (166), the supporting rod (161) is connected to the right side of the lower portion of the right first fixing frame (5), the second rotating shaft (162) penetrates through the middle portion of the supporting rod (161) in a rotating mode, the second gear (163) is connected to the upper end of the second rotating shaft (162), the missing gear (142) is meshed with the second gear (163), and the eccentric wheel (164) in contact fit with the second guide groove (167) is connected to the lower end of the second rotating shaft (162).

3. The hardware surface treatment device according to claim 2, further comprising a spreading mechanism (18), wherein the spreading mechanism (18) comprises a positioning plate (181), a handle (182), a spreading rod (183), a connecting rod (184) and a second elastic piece (185), the lower portion of the sliding block (154) is connected with the connecting rod (184), the positioning plate (181) is connected to the upper side of the front portion of the fixing plate (2), the handle (182) is slidably arranged on the upper portion of the positioning plate (181), the spreading rod (183) used for extruding the connecting rod (184) is connected to the rear side of the handle (182), and the second elastic piece (185) is connected between the spreading rod (183) and the positioning plate (181).

4. A hardware surface treatment device according to claim 3, further comprising a drying mechanism (19), wherein the drying mechanism (19) comprises a positioning frame (191), a fan (192) and an electric heating tube (193), the top side of the first fixing frame (5) is connected with the positioning frame (191), the fan (192) is installed in the middle of the positioning frame (191), and the electric heating tube (193) for heating the hardware is installed at the upper rear portion of the positioning frame (191).