CN114310557B

CN114310557B - Burr polishing device for injection molding product

Info

Publication number: CN114310557B
Application number: CN202210033739.7A
Authority: CN
Inventors: 谢冬英; 陈燕明
Original assignee: Xiamen Chenghuida Industry And Trade Co ltd
Current assignee: Xiamen Chenghuida Industry And Trade Co ltd
Priority date: 2022-01-12
Filing date: 2022-01-12
Publication date: 2022-11-01
Anticipated expiration: 2042-01-12
Also published as: CN114310557A

Abstract

The invention relates to a burr polishing device, in particular to a burr polishing device for an injection molding product. Provides a burr polishing device for an injection molding product, which can clamp a workpiece to perform polishing work. The invention is realized by the following technical approaches: the utility model provides an injection moulding's burr grinding device, including operation panel, guide post, cutting ferrule, mount table, installation piece, servo motor etc. the symmetry is equipped with the guide post around the equal both sides in operation panel top left and right sides, and equal slidingtype is connected with the cutting ferrule between two guide post middle parts that correspond from beginning to end, is connected with the mount table between the cutting ferrule, and mount table bottom bilateral symmetry is equipped with the installation piece, and the rotary type is connected with the lead screw between the installation piece downside, and mount table bottom left side is equipped with servo motor. Can press from both sides injection moulding through cassette and the cooperation of first cardboard tightly to avoid carrying out the in-process of work of polishing, injection moulding's position changes and leads to polishing incompletely.

Description

Burr polishing device for injection molding product

Technical Field

The invention relates to a burr polishing device, in particular to a burr polishing device for an injection molding product.

Background

Injection-molded articles refer to various injection-molded products produced by an injection molding machine, and when such products are produced, many burrs are often present at the edge portions thereof, and therefore, a grinding work is required before they are put into use.

The patent application number is CN201810525829.1 discloses an injection molding deflashing device, which comprises a workbench, wherein a cylinder is arranged on the workbench, a clamping unit for clamping a workpiece is arranged on the telescopic end of the cylinder, a support is arranged at the upper end of the workbench, a motor is arranged on the support, a first rotating shaft is coaxially connected to the output end of the motor, a first friction wheel is coaxially arranged on the first rotating shaft, a horizontal sliding rail is arranged on the support, a first spring is fixedly connected to one end, far away from the first friction wheel, of the sliding rail, a sliding block is arranged at one end, close to the first friction wheel, of the first spring, the sliding block is horizontally and slidably connected to the sliding rail, a first bearing is arranged on the sliding block, the outer ring of the first bearing is fixedly connected with the sliding block, a second rotating shaft is arranged in the inner ring of the first bearing, a second friction wheel is coaxially arranged on the second rotating shaft, the second friction wheel comprises a hollow rod and a friction belt, the hollow rod comprises a hollow rod, a friction belt and a clamping unit, wherein the rod wall of the hollow rod is provided with a through hole, the friction belt is wrapped and wound on the hollow rod and is tangent to a first friction wheel, one end of the friction belt penetrates through the through hole and extends into the hollow rod, the upper end face and the lower end face of the other end of the friction belt are provided with elastic braces, the braces are fixedly connected to the hollow rod, the inner wall of the hollow rod is provided with a first connecting rod and a second connecting rod, the first connecting rod is rotatably connected with a threaded cylinder, one end of the hollow rod, which is positioned on the friction belt, is fixedly connected to the outer wall of the threaded cylinder, the inner wall of the threaded cylinder is in threaded connection with a screw rod, the screw rod is positioned above the clamping unit, the second connecting rod is fixedly connected with a second rotating shaft, the hollow rod and the second rotating shaft are concentric, the bottom of the second rotating shaft is provided with a grinding block, the lower end face of the grinding block is higher than the lower end face of the screw rod, and the device removes burrs by grinding, therefore, the workpiece is not deformed, but the workpiece is not fixed by the device, so that the position of the workpiece is easy to change during polishing, and the workpiece is easy to not be completely polished.

In view of the above technical problems, it is desirable to design a burr polishing device for an injection-molded product, which can clamp a workpiece to perform a polishing work.

Disclosure of Invention

In order to overcome the defect that the position of a workpiece is changed when the workpiece is easily polished and is further easily not polished when the existing injection molding part deburring device is not used for fixing the workpiece, the burr polishing device for the injection molding product is provided, and the workpiece can be clamped and polished.

The invention is realized by the following technical approaches: the utility model provides an injection moulding's burr grinding device, which comprises an operation panel, the guide post, the cutting ferrule, the mount table, the installation piece, servo motor, the lead screw, nut and the subassembly of polishing, the equal front and back symmetry in the operation panel top left and right sides is equipped with the guide post, equal sliding connection has the cutting ferrule between two guide post middle parts that correspond from beginning to end, be connected with the mount table between the cutting ferrule, mount table bottom bilateral symmetry is equipped with the installation piece, the rotary type is connected with the lead screw between the installation piece downside, mount table bottom left side is equipped with servo motor, servo motor output shaft and lead screw left side are through the coupling joint, lead screw middle part screw thread formula is connected with the nut, nut and mount table sliding connection, nut downside joint has the subassembly of polishing that is used for polishing to injection moulding, still including elevating system and chucking mechanism, be connected with the elevating system that can adjust the subassembly height of polishing according to injection moulding's thickness between guide post and the mount table, be equipped with the chucking mechanism that can press from both sides injection moulding tightly on the operation table.

In a preferred embodiment of the invention, the lifting mechanism comprises a connecting plate, a top plate, a screw rod, a lifting sleeve, a rotary disc and a back plate, the connecting plate is connected between the tops of the front guide column and the back guide column, the top plate is connected between the connecting plates, the screw rod is rotatably arranged in the middle of the top plate, the rotary disc is arranged at the top of the screw rod, the lifting sleeve is arranged in the middle of the top of the mounting table and is in threaded connection with the screw rod, the lifting sleeve can move when the screw rod rotates, and the back plate is connected between the back side of the top of the operating table and the back side of the top plate.

In a preferred embodiment of the present invention, the clamping mechanism includes a clamping seat, first clamping plates, first elastic members and first fixing rods, the clamping seat is symmetrically arranged on the top of the operating table from left to right, the first fixing rods are symmetrically arranged on the clamping seat from front to back, the first clamping plates capable of clamping the injection molding product by matching with the clamping seat are slidably connected between the front and back corresponding two first fixing rods, and the first elastic members are connected between the top of each first clamping plate and the adjacent first fixing rods.

In a preferred embodiment of the invention, the screw rod lubricating device further comprises a lubricating mechanism capable of keeping the lubricating degree of the screw rod, the lubricating mechanism comprises a base, a liquid storage barrel, a cover, a guide pipe, an air inlet pipe, a push rod and a first compression spring, the base is arranged on the left side of the top of the mounting table, the liquid storage barrel used for containing lubricating oil is arranged on the base, the cover is clamped on the upper portion of the liquid storage barrel, the guide pipe is arranged on the lower portion of the left side of the liquid storage barrel, the air inlet pipe with a one-way valve on the right side is arranged on the upper portion of the right side of the liquid storage barrel, the push rod is arranged in the air inlet pipe in a sliding mode on the right side, and the first compression spring is connected between the right side of the push rod and the air inlet pipe.

In a preferred embodiment of the invention, the nut movement prompting device further comprises a prompting mechanism capable of prompting the number of times of nut movement, the prompting mechanism comprises a first guide sleeve, a gear, a limiting sleeve, a limiting rod, a second compression spring, a rotating plate, a guide rod, a shifting rod, a second elastic part, a rotating block and a torsion spring, the first guide sleeve is arranged on the left side of the top of the installation table, the first guide sleeve is arranged on the left side of the base, the rotating plate is arranged on the upper side of the first guide sleeve in a rotating mode, the gear is arranged on the rear side of the rotating plate, the guide rod is arranged on the left portion of the rear side of the installation table, the rotating block is arranged in the middle of the guide rod in a rotating mode, the torsion spring is connected between the rear side of the rotating block and the rear side of the guide rod, the shifting rod is arranged on the rotating block in a sliding mode, the second elastic part is connected between the upper side of the shifting rod and the rotating block, the limiting sleeve is arranged on the left side of the top of the first guide sleeve, the limiting rod is arranged on the limiting sleeve in a sliding mode, the limiting rod capable of clamping the gear, and the second compression spring is connected between the left side of the limiting rod and the limiting sleeve.

In a preferred embodiment of the invention, the automatic push rod mechanism further comprises a pushing mechanism capable of automatically moving the push rod, the pushing mechanism comprises a second guide sleeve, a first slide rod, a rack, a push plate and a third compression spring, the second guide sleeve is arranged on the left side of the top of the mounting table and is positioned on the right rear side of the base, the first slide rod is arranged on the second guide sleeve in a sliding mode, the push plate capable of pushing the push rod to move after moving leftwards is arranged at the right end of the first slide rod, the rack is arranged on the first slide rod and is meshed with the gear, and the third compression spring is connected between the left side of the first slide rod and the second guide sleeve.

In a preferred embodiment of the invention, the nut fixing device further comprises a fixing mechanism capable of clamping a nut, the fixing mechanism comprises a fixing sleeve, a second fixing rod, a fourth compression spring, a third guide sleeve, a second clamping plate, a wedge block and a fifth compression spring, the fixing sleeve is arranged at the top of the first guide sleeve, the second fixing rod is arranged on the upper side of the fixing sleeve in a sliding manner, the fourth compression spring is connected between the left part of the second fixing rod and the fixing sleeve, the third guide sleeve is arranged on the left side of the rear part of the mounting table, the second clamping plate capable of clamping the nut after moving forwards is arranged on the lower side of the third guide sleeve in a sliding manner, the wedge block is arranged on the rear part of the second clamping plate, the fifth compression spring is connected between the rear side of the second clamping plate and the third guide sleeve, and the wedge block is in contact with the second fixing rod.

In a preferred embodiment of the invention, the injection molding machine further comprises a shielding mechanism capable of shielding the front side of an injection molding product for grinding, the shielding mechanism comprises guide blocks, guide slide rails, a pressure rod, a baffle, a second slide bar and a sixth compression spring, the middle part of the front side of the mounting table is provided with the guide blocks, the second slide bar is arranged on the guide blocks in a bilaterally symmetrical sliding manner, the guide slide rails are connected between the second slide bars, the top of each guide slide rail is provided with the pressure rod, the pressure rod is in contact with the rotating plate, the bottom of each guide slide rail is provided with the baffle capable of shielding the injection molding product after moving downwards, and the sixth compression spring is connected between the upper parts of the guide slide rails and the guide blocks in a bilaterally symmetrical manner.

By combining all the technical approaches, the invention has the advantages and positive effects that: 1. can press from both sides injection moulding through cassette and the cooperation of first cardboard tightly to avoid carrying out the in-process of work of polishing, injection moulding's position changes and leads to polishing incompletely.

2. Lubricating oil is stored through the liquid storage barrel, and then the lubricating oil is enabled to drop on the screw rod regularly, so that the lubrication degree of the screw rod can be kept, and the influence of rusting on the movement of the nut is avoided.

3. When the nut moves leftwards at every turn, the gear can rotate by the angle of one tooth, so that the worker can judge the moving times of the nut through the gear rotating angle without counting manually.

4. When the injection molding product is polished, the push rod can automatically move leftwards to spray lubricating oil, so that forgetting can be avoided.

5. The baffle can also move downwards to block the front side of the injection molding product when the grinding work is carried out, so that the splash of chips can be prevented when grinding is carried out.

Drawings

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

FIG. 2 is a schematic view of a first partial body structure according to the present invention.

FIG. 3 is a schematic view of a second partial body structure according to the present invention.

Fig. 4 is a schematic perspective view of the lifting mechanism of the present invention.

Fig. 5 is a schematic perspective view of a first embodiment of the clamping mechanism of the present invention.

Fig. 6 is a schematic perspective view of a second embodiment of the clamping mechanism of the present invention.

Fig. 7 is a schematic perspective view of a first lubrication mechanism according to the present invention.

Fig. 8 is a schematic perspective view of a second lubrication mechanism according to the present invention.

Fig. 9 is a schematic view of a first partial body structure of the prompting mechanism of the invention.

FIG. 10 is a schematic view of a second partial body structure of the prompting mechanism of the present invention.

Fig. 11 is a schematic perspective view of the prompting mechanism of the present invention.

Fig. 12 is a perspective view of a third part of the prompting mechanism of the invention.

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

Fig. 14 is a schematic perspective view of a first fixing mechanism according to the present invention.

Fig. 15 is a schematic perspective view of a second fixing mechanism according to the present invention.

FIG. 16 is a schematic perspective view of a first shielding mechanism according to the present invention.

FIG. 17 is a schematic perspective view of a second shielding mechanism according to the present invention.

The parts are labeled as follows: 1. an operation table, 5, a guide post, 6, a cutting sleeve, 7, an installation table, 8, an installation block, 91, a servo motor, 92, a screw rod, 93, a nut, 94, a polishing component, 11, a lifting mechanism, 111, a connecting plate, 112, a top plate, 113, a screw rod, 114, a lifting sleeve, 115, a rotary table, 116, a back plate, 12, a clamping mechanism, 121, a clamping seat, 122, a first clamping plate, 123, a first elastic piece, 124, a first fixing rod, 13, a lubricating mechanism, 131, a base, 132, a liquid storage barrel, 133, a cover, 134, a conduit, 135, an air inlet pipe, 136, a push rod, 137, a first compression spring, 14, a prompting mechanism, 141, a first guide sleeve, 142, a gear, 1421, a limiting sleeve, 1422 and a limiting rod, 1423, a second compression spring, 143, a rotating plate, 144, a guide rod, 145, a shift lever, 1451, a second elastic element, 1452, a rotating block, 146, a torsion spring, 16, a pushing mechanism, 161, a second guide sleeve, 162, a first sliding rod, 163, a rack, 164, a push plate, 165, a third compression spring, 17, a fixing mechanism, 171, a fixing sleeve, 172, a second fixing rod, 173, a fourth compression spring, 174, a third guide sleeve, 175, a second catch plate, 176, a wedge block, 177, a fifth compression spring, 18, a shielding mechanism, 181, a guide block, 182, a guide sliding rail, 183, a compression rod, 184, a baffle, 185, a second sliding rod, 186, and a sixth compression spring.

Detailed Description

Although the present invention may be described with respect to particular applications or industries, those skilled in the art will recognize the broader applicability of the invention. Those of ordinary skill in the art will recognize other factors such as: terms such as above, below, upward, downward, and the like are used to describe the accompanying drawings and are not meant to limit the scope of the invention, which is defined by the appended claims. Such as: any numerical designation of first or second, and the like, is merely exemplary and is not intended to limit the scope of the invention in any way.

Example 1

A burr polishing device of an injection molding product is disclosed, and is shown in figures 1-3, and comprises an operation table 1, guide posts 5, clamping sleeves 6, an installation table 7, installation blocks 8, a servo motor 91, a lead screw 92, a nut 93, a polishing assembly 94, an elevating mechanism 11 and a clamping mechanism 12, wherein the guide posts 5 are symmetrically arranged on the left side and the right side of the top of the operation table 1 in a front-back manner, the clamping sleeves 6 are connected between the middle parts of two corresponding guide posts 5 in a front-back manner, the installation table 7 is connected between the clamping sleeves 6 in a welding manner, the installation blocks 8 are symmetrically arranged on the left side and the right side of the bottom of the installation table 7 in a welding manner, the lead screw 92 is rotatably connected between the lower sides of the installation blocks 8, the servo motor 91 is arranged on the left side of the bottom of the installation table 7, an output shaft of the servo motor 91 is connected with the left side of the lead screw 92 through a coupler, the nut 93 is connected with the middle part of the lead screw 92 in a threaded manner, the nut 93 is connected with the installation table 7 in a sliding manner, the lower side of the nut 93 is connected with the polishing assembly 94, the polishing assembly 94 is used for polishing the polishing mechanism 11 for polishing the injection molding product, the height of the operation table 1 can be adjusted according to the thickness of the injection molding product, and the operation table 12, and the injection molding mechanism 12.

Referring to fig. 4, the lifting mechanism 11 includes a connecting plate 111, a top plate 112, a screw 113, a lifting sleeve 114, a rotary table 115 and a back plate 116, the connecting plate 111 is connected between the tops of two corresponding front and rear guide posts 5 in a welded manner, the top plate 112 is welded between the connecting plates 111, the screw 113 is rotatably disposed in the middle of the top plate 112, the rotary table 115 is welded at the top of the screw 113, the lifting sleeve 114 is welded in the middle of the top of the mounting table 7, the lifting sleeve 114 can move when the screw 113 rotates, the lifting sleeve 114 is in threaded connection with the screw 113, and the back plate 116 is connected between the rear side of the top of the operation table 1 and the rear side of the top plate 112.

Referring to fig. 5 and 6, the clamping mechanism 12 includes a clamping seat 121, a first clamping plate 122, a first elastic member 123 and a first fixing rod 124, the clamping seat 121 is welded on the top of the operating table 1 in a bilateral symmetry manner, the first fixing rod 124 is welded on the clamping seat 121 in a front-back symmetry manner, the first clamping plate 122 is connected between two corresponding front and back first fixing rods 124 in a sliding manner, the first clamping plate 122 can be matched with the clamping seat 121 to clamp the injection molding product tightly, and the first elastic member 123 is connected between the top of the first clamping plate 122 and the adjacent first fixing rod 124.

When the injection molding product is required to be polished to remove burrs, a worker can adjust the height of the polishing assembly 94 according to the thickness of the injection molding product, the rotary table 115 is rotated to drive the screw 113 to rotate, the screw 113 rotates to drive the lifting sleeve 114 to move upwards, the lifting sleeve 114 moves upwards to drive the mounting table 7, the mounting block 8, the screw rod 92, the nut 93 and the polishing assembly 94 to move upwards, when the polishing assembly 94 moves to a proper position, the rotary table 115 stops rotating, the first clamping plate 122 is pulled to move upwards, the first elastic piece 123 is compressed, the injection molding product is placed between the first clamping plate 122 and the clamping seat 121, the first clamping plate 122 is loosened, the first clamping plate 122 moves downwards under the action of the first elastic piece 123 to be matched with the clamping seat 121 to clamp the injection molding product, then the servo motor 91 can be controlled to work, the output shaft of the servo motor 91 rotates to drive the screw rod 92 to rotate, screw 92 rotates and drives nut 93 and grinding assembly 94 and move to the right, when grinding assembly 94 can't continue to move to the right, alright make servo motor 91 output shaft reversal, thereby make nut 93 and grinding assembly 94 move left, so control servo motor 91 output shaft positive and negative rotation in turn alright make grinding assembly 94 move about constantly, grinding assembly 94 moves about alright to polish injection moulding, after injection moulding is polished smooth and does not have the burr, alright stop servo motor 91 work, stimulate first cardboard 122 rebound again, first elastic component 123 is compressed, take out the injection moulding who has polished, loosen first cardboard 122, first cardboard 122 moves down under the effect of first elastic component 123 and resets, the staff can also regularly take off grinding assembly 94 and change.

Example 2

On the basis of embodiment 1, refer to fig. 1, fig. 7 and fig. 8, the lubricating mechanism 13 is further included, the lubricating mechanism 13 can keep the lubricating degree of the screw 92, the lubricating mechanism 13 includes a base 131, a liquid storage barrel 132, a cover 133, a conduit 134, an air inlet pipe 135, a push rod 136 and a first compression spring 137, the base 131 is welded on the left side of the top of the mounting table 7, the liquid storage barrel 132 is arranged on the base 131, the liquid storage barrel 132 is used for containing lubricating oil, the cover 133 is clamped on the upper portion of the liquid storage barrel 132, the conduit 134 for flowing out of the lubricating oil is arranged on the lower portion of the left side of the liquid storage barrel 132, the air inlet pipe 135 with a check valve on the right side is welded on the upper portion of the right side of the liquid storage barrel 132, the push rod 136 is slidably arranged on the right side in the air inlet pipe 135, and the first compression spring 137 is connected between the right side of the push rod 136 and the air inlet pipe 135.

The staff still can pull out stock solution bucket 132 with lid 133, pour lubricating oil in the stock solution bucket 132 into, put back stock solution bucket 132 with lid 133 again, when using this device, the staff still can be regular promotion push rod 136 and move left, first compression spring 137 is compressed, push rod 136 moves left and pushes out the lubricating oil in the stock solution bucket 132 through pipe 134 through extrusion gas alright, thereby drip on lead screw 92, so can keep the smooth degree of lead screw 92, avoid lead screw 92 to rust the influence and drive nut 93 and move, loosen push rod 136 afterwards, push rod 136 moves right under the effect of first compression spring 137 and resets, outside gas gets into intake pipe 135 through the check valve this moment.

Referring to fig. 1, 9, 10, 11 and 12, the present disclosure further includes a prompting mechanism 14, the prompting mechanism 14 can prompt the number of times that the nut 93 moves, the prompting mechanism 14 includes a first guide sleeve 141, a gear 142, a stop collar 1421, a stop bar 1422, a second compression spring 1423, a rotating plate 143, a guide rod 144, a shift lever 145, a second elastic member 1451, a rotating block 1452 and a torsion spring 146, the first guide sleeve 141 is welded on the left side of the top of the mounting table 7, the first guide sleeve 141 is located on the left side of the base 131, the rotating plate 143 is rotatably disposed on the upper side of the first guide sleeve 141, the gear 142 is connected to the rear side of the rotating plate 143 through a key, the guide rod 144 is welded on the left portion of the rear side of the mounting table 7, the rotating block 1452 is rotatably disposed in the middle of the guide rod 144, the torsion spring 141 is connected between the rear side of the rotating block 1452 and the rear side of the guide rod 144, the shift lever 145 is slidably disposed on the rotating block 145145, the shift lever 145 is engaged with the gear 142, the second elastic member 1451 is connected between the upper side of the top of the mounting table 145 and the stop collar 1421, the stop collar 1422 is connected to the stop collar 1421, the stop collar 1422 is connected to the left side of the stop collar 1421, the stop collar 1422, and the stop collar 1422.

The nut 93 moves to the left and then continues to move after contacting the rotating block 1452, the rotating block 1452 rotates to drive the shift lever 145 to rotate, the torsion spring 146 deforms, the shift lever 145 rotates to drive the gear 142 to rotate by one tooth angle, the gear 142 rotates to drive the rotating plate 143 to rotate, the gear 142 rotates to further drive the limiting rod 1422 to move to the left, the second compression spring 1423 is compressed, when the gear 142 stops rotating, the limiting rod 1422 moves to the right to clamp the gear 142 under the action of the second compression spring 1423, then when the nut 93 moves to the right and is separated from the rotating block 1452, the shift lever 145 and the rotating block 1452 rotate to reset under the action of the torsion spring 146, during which, the gear 142 is clamped by the limiting rod 1422, the shift lever 145 moves downward on the rotating block 1452 at this time, the second elastic member 1451 is compressed, when the shift lever 145 rotates to reset, the shift lever 145 moves upward under the action of the second elastic member 1451, so that the gear 142 rotates by one rotation angle each time, the injection molding work can be finished, and the injection molding can be polished, and the polishing work can be finished injection molding can be observed by the polishing work of the injection molding can be finished product can be finished.

Referring to fig. 1 and 13, the push mechanism 16 is further included, the push mechanism 16 can enable the push rod 136 to move automatically, the push mechanism 16 includes a second guide sleeve 161, a first sliding rod 162, a rack 163, a push plate 164 and a third compression spring 165, the second guide sleeve 161 is welded on the left side of the top of the mounting table 7, the second guide sleeve 161 is located on the right rear side of the base 131, the first sliding rod 162 is arranged on the upper side of the second guide sleeve 161 in a sliding manner, the push plate 164 is welded on the right end of the first sliding rod 162, the push rod 136 can be pushed to move after the push plate 164 moves leftwards, the rack 163 is arranged on the first sliding rod 162, the rack 163 is meshed with the gear 142, and the third compression spring 165 is connected between the left side of the first sliding rod 162 and the second guide sleeve 161.

The gear 142 rotates to drive the rack 163 to move leftwards, the rack 163 moves leftwards to drive the first sliding rod 162 and the push plate 164 to move leftwards, the third compression spring 165 is stretched, when the push plate 164 moves leftwards to be in contact with the push rod 136, the push rod 136 can move leftwards, and therefore one-time lubrication work can be automatically performed when the injection molding product is polished smoothly, when the injection molding product is not required to be polished, the limiting rod 1422 is pulled to move leftwards, the second compression spring 1423 is compressed, therefore, under the action of the third compression spring 165, the rack 163, the first sliding rod 162 and the push plate 164 move rightwards to reset, and then the limiting rod 1422 is loosened to clamp the gear 142.

Referring to fig. 2, 14 and 15, the fixing device 17 is further included, the fixing device 17 can clamp the nut 93, the fixing device 17 includes a fixing sleeve 171, a second fixing rod 172, a fourth compression spring 173, a third guide sleeve 174, a second clamping plate 175, a wedge block 176 and a fifth compression spring 177, the fixing sleeve 171 is welded on the top of the first guide sleeve 141, the second fixing rod 172 is slidably arranged on the upper side of the fixing sleeve 171, the fourth compression spring 173 is connected between the left portion of the second fixing rod 172 and the fixing sleeve 171, the third guide sleeve 174 is welded on the left side of the rear portion of the mounting table 7, the second clamping plate 175 is slidably arranged on the lower side of the third guide sleeve 174, the nut 93 can be clamped after the second clamping plate 175 moves forwards, the wedge block 176 is arranged on the rear portion of the second clamping plate 175, the fifth compression spring 177 is connected between the rear side of the second clamping plate 175 and the third guide sleeve 174, and the wedge block 176 is in contact with the second fixing rod 172.

Initially, the fifth compression spring 177 is stretched, the pushing rod 136 moves to the left to contact with the second fixing rod 172 and then continues to move, so that the second fixing rod 172 moves to the left, the fourth compression spring 173 is stretched, the second fixing rod 172 moves to the left and then does not abut against the wedge-shaped block 176, the wedge-shaped block 176 and the second clamping plate 175 move forward under the action of the fifth compression spring 177, the nut 93 is located at the front side of the second clamping plate 175 at this time, the second clamping plate 175 moves forward to clamp the nut 93, the injection molded product is polished smooth at this time, so that the polishing work can be stopped, the nut 93 is clamped by the second clamping plate 175, the position change of the nut 93 can be avoided, the polishing assembly 94 can be replaced conveniently, the gear 142 is not clamped any more by pulling the limiting rod 1422 at this time, the gear 142 is not in contact with the shifting lever 145 at this time, so that the shifting lever 145 does not affect the rotation reset of the gear 142, the pushing rod 136 moves to the right and then does not abut against the second fixing rod 172, the wedge-shaped block 172 moves to the right under the action of the fourth compression spring 173, so that the wedge-shaped block 176 and the second clamping plate 175 moves to be stretched and compressed by the second fixing rod 172.

Referring to fig. 1, 16 and 17, the injection molding machine further comprises a shielding mechanism 18, the shielding mechanism 18 can shield the front side of an injection molding product to be polished, the shielding mechanism 18 comprises a guide block 181, a guide slide rail 182, a press rod 183, a baffle 184, a second slide bar 185 and a sixth compression spring 186, the guide block 181 is welded in the middle of the front side of the mounting table 7, the second slide bar 185 is symmetrically arranged on the guide block 181 in a sliding manner, the guide slide rail 182 is welded between the second slide bars 185, the press rod 183 is welded at the top of the guide slide rail 182, the press rod 183 is in contact with the rotating plate 143, the baffle 184 is welded at the bottom of the guide slide rail 182, the injection molding product can be shielded after the baffle 184 moves downwards, and the sixth compression spring 186 is symmetrically connected between the upper part of the guide slide rail 182 and the guide block 181.

Initially, the rotating plate 143 just abuts against the pressing rod 183, the sixth compression spring 186 is in a stretching state, the rotating plate 143 rotates to be gradually far away from the pressing rod 183, so that the pressing rod 183, the guide sliding rail 182, the second sliding rod 185 and the baffle 184 move downwards under the action of the sixth compression spring 186, the baffle 184 moves downwards to block the front side of the injection molding product to be polished, and therefore, chips are prevented from splashing out.

It should be understood that this example is only for illustrating the present invention and is not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention can be made by those skilled in the art after reading the teaching of the present invention, and these equivalents also fall within the scope of the claims appended to the present application.

Claims

1. The utility model provides an injection moulding's burr grinding device, including operation panel (1), guide post (5), cutting ferrule (6), mount table (7), installation piece (8), servo motor (91), lead screw (92), nut (93) and subassembly (94) of polishing, equal front and back symmetry in the left and right sides in operation panel (1) top is equipped with guide post (5), equal sliding connection has cutting ferrule (6) between two guide post (5) middle parts that correspond before and after, be connected with mount table (7) between cutting ferrule (6), mount table (7) bottom bilateral symmetry is equipped with installation piece (8), the rotary type is connected with lead screw (92) between installation piece (8) downside, mount table (7) bottom left side is equipped with servo motor (91), servo motor (91) output shaft and lead screw (92) left side are through the coupling joint connection, lead screw (92) middle part screw thread formula is connected with nut (93), nut (93) and mount table (7) sliding connection, nut (93) downside joint has subassembly (94) of polishing that is used for polishing injection moulding, a serial communication port, its characterized in that: the polishing device is characterized by further comprising a lifting mechanism (11) and a clamping mechanism (12), wherein the lifting mechanism (11) capable of adjusting the height of the polishing assembly (94) according to the thickness of the injection molding product is connected between the guide column (5) and the mounting table (7), and the clamping mechanism (12) capable of clamping the injection molding product is arranged on the operating table (1); the lubricating mechanism (13) capable of keeping the lubricating degree of the screw rod (92) is further included, the lubricating mechanism (13) comprises a base (131), a liquid storage barrel (132), a cover (133), a guide pipe (134), an air inlet pipe (135), a push rod (136) and a first compression spring (137), the base (131) is arranged on the left side of the top of the mounting platform (7), the liquid storage barrel (132) used for containing lubricating oil is arranged on the base (131), the cover (133) is clamped on the upper portion of the liquid storage barrel (132), the guide pipe (134) is arranged on the lower portion of the left side of the liquid storage barrel (132), the air inlet pipe (135) with a one-way valve on the right side is arranged on the upper portion of the right side of the liquid storage barrel (132), the push rod (136) is arranged in the air inlet pipe (135) in a sliding mode on the right side, and the first compression spring (137) is connected between the right side of the push rod (136) and the air inlet pipe (135); the nut positioning device is characterized by further comprising a prompting mechanism (14) capable of prompting the moving times of a nut (93), the prompting mechanism (14) comprises a first guide sleeve (141), a gear (142), a stop collar (1421), a limiting rod (1422), a second compression spring (1423), a rotating plate (143), a guide rod (144), a shifting rod (145), a second elastic part (1451), a rotating block (1452) and a torsion spring (146), the first guide sleeve (141) is arranged on the left side of the top of the mounting table (7), the first guide sleeve (141) is arranged on the left side of the base (131), the rotating plate (143) is rotatably arranged on the upper side of the first guide sleeve (141), the gear (142) is arranged on the rear side of the rotating plate (143), the guide rod (144) is arranged on the left portion of the rear side of the mounting table (7), the rotating block (1452) is rotatably arranged in the middle of the guide rod (144), the torsion spring (146) is connected between the rear side of the rotating block (1452) and the rear side of the guide rod (144), the shifting rod (145) is slidably arranged on the sliding block (145), the shifting rod (1422), the shifting rod (1421) is arranged on the left side of the second guide sleeve (1421), the stop collar (1421), the left side of the limiting sleeve (1421) is arranged on the top of the left side of the limiting sleeve (1421), a second compression spring (1423) is connected between the left side of the limiting rod (1422) and the limiting sleeve (1421); still including pushing mechanism (16) that can make push rod (136) automatic movement, pushing mechanism (16) is equipped with second uide bushing (161) including second uide bushing (161), first uide bushing (162), rack (163), push pedal (164) and third compression spring (165), mount table (7) top left side, second uide bushing (161) are in base (131) right rear side, second uide bushing (161 upside slidingly is equipped with first slide bar (162), first slide bar (162) right-hand member is equipped with push pedal (164) that can promote push rod (136) to remove after removing left, be equipped with rack (163) on first slide bar (162), rack (163) and gear (142) meshing, be connected with third compression spring (165) between first slide bar (162) left side and second uide bushing (161).

2. A burr grinding device of an injection-molded article according to claim 1, wherein: elevating system (11) is including connecting plate (111), roof (112), screw rod (113), lifting sleeve (114), carousel (115) and backplate (116), all be connected with connecting plate (111) between two guide post (5) tops that correspond around, be connected with roof (112) between connecting plate (111), roof (112) middle part rotary type is equipped with screw rod (113), screw rod (113) top is equipped with carousel (115), be equipped with lifting sleeve (114) in the middle of mount table (7) top, lifting sleeve (114) and screw rod (113) screw thread formula are connected, can make lifting sleeve (114) remove when screw rod (113) rotate, be connected with backplate (116) between operation panel (1) top rear side and roof (112) rear side.

3. A burr grinding device of an injection-molded article according to claim 2, wherein: chucking mechanism (12) are including cassette (121), first cardboard (122), first elastic component (123) and first dead lever (124), operation panel (1) top bilateral symmetry is equipped with cassette (121), equal front and back symmetry is equipped with first dead lever (124) on cassette (121), equal sliding connection has between two first dead levers (124) that correspond before and after can with cassette (121) cooperation with the tight first cardboard (122) of injection molding clamp, all be connected with first elastic component (123) between first cardboard (122) top and the adjacent first dead lever (124).

4. A burr polishing device for injection-molded articles as set forth in claim 3, wherein: the fixing mechanism (17) capable of clamping the nut (93) is further included, the fixing mechanism (17) comprises a fixing sleeve (171), a second fixing rod (172), a fourth compression spring (173), a third guide sleeve (174), a second clamping plate (175), a wedge block (176) and a fifth compression spring (177), the top of the first guide sleeve (141) is provided with the fixing sleeve (171), the upper side of the fixing sleeve (171) is slidably provided with the second fixing rod (172), the fourth compression spring (173) is connected between the left portion of the second fixing rod (172) and the fixing sleeve (171), the left side of the rear portion of the mounting table (7) is provided with the third guide sleeve (174), the lower side of the third guide sleeve (174) is slidably provided with the second clamping plate (175) capable of clamping the nut (93) after moving forwards, the rear portion of the second clamping plate (175) is provided with the wedge block (176), the fifth compression spring (177) is connected between the rear side of the second clamping plate (175) and the third guide sleeve (174), and the wedge block (176) is in contact with the second fixing rod (172).

5. An injection molding burr grinding device as defined in claim 4, wherein: the injection molding product front side shielding mechanism (18) capable of shielding injection molding products for polishing work is further included, the shielding mechanism (18) comprises a guide block (181), a guide sliding rail (182), a pressing rod (183), a baffle (184), a second sliding rod (185) and a sixth compression spring (186), the guide block (181) is arranged in the middle of the front side of the mounting table (7), the second sliding rod (185) is arranged on the guide block (181) in a bilateral symmetry sliding mode, the guide sliding rail (182) is connected between the second sliding rods (185), the pressing rod (183) is arranged at the top of the guide sliding rail (182), the pressing rod (183) is in contact with the rotating plate (143), the baffle (184) capable of shielding the injection molding products after moving downwards is arranged at the bottom of the guide sliding rail (182), and the sixth compression spring (186) is connected between the upper portion of the guide sliding rail (182) and the guide block (181) in a bilateral symmetry mode.