CN210232498U

CN210232498U - Car injection molding deckle edge grinding device

Info

Publication number: CN210232498U
Application number: CN201920735585.XU
Authority: CN
Inventors: Kai Zhang; 张凯; Xiangsheng Zhang; 张祥生; Yun'ai Dong; 董云爱
Original assignee: Tianjin First Electronics Co ltd
Current assignee: Tianjin First Electronics Co ltd
Priority date: 2019-05-21
Filing date: 2019-05-21
Publication date: 2020-04-03
Anticipated expiration: 2029-05-21

Abstract

The utility model provides an automobile injection molding burr grinding device, including the stock preparation platform and the base of polishing, be equipped with the rotating electrical machines and the intermittent type decollator of prepareeing material in the stock preparation platform, the rotating electrical machines of prepareeing material is connected with the intermittent type is cut apart, the output of intermittent type decollator is connected with the rotation axis, the top of rotation axis runs through the stock preparation platform and is equipped with the carousel of prepareeing material; the material preparation turntable is provided with a clamping mechanism, a clamping base in the clamping mechanism is arranged on the material preparation turntable, one end of the clamping base is provided with a fixed clamping plate, the other end of the clamping base is provided with a mounting plate, two sides of the upper surface of the clamping base are provided with sliding grooves, a movable clamping plate is arranged between the fixed clamping plate and the mounting plate and movably arranged on the clamping base through the sliding grooves, a rotating screw is in threaded connection with the mounting plate, and the front end of the rotating screw is provided with a connecting plate connected with the movable. The utility model has the advantages that the workpieces on the material preparation turntable are sequentially and alternately polished, thereby realizing uninterrupted polishing; the clamping mechanism has the advantages of simple structure, convenient operation and good fixing effect.

Description

Car injection molding deckle edge grinding device

Technical Field

The utility model belongs to injection molding deckle edge equipment field of polishing especially relates to an automobile injection molding deckle edge grinding device.

Background

Automobile plastification is a great development trend in the international automobile manufacturing industry at present. The main advantages are as follows: first, the greatest advantage of using plastics for automotive materials is the reduction in weight of the vehicle body. Secondly, the plastic molding is easy, so that the processing of parts with complex shapes is very convenient. Thirdly, the elastic deformation characteristic of the plastic product can absorb a large amount of collision energy, so that the plastic product has a large buffer effect on strong impact and plays a role in protecting vehicles and passengers.

After an automobile injection molding part is produced by an injection molding machine, burrs are almost a common problem commonly existing in all injection molding processing. The generated burrs cause the product to have poor smoothness and affect the use. In order to solve the problem, the grinding device is required to grind and process the rough edges of the injection molding piece. The workpiece needs to be clamped in the polishing process, a clamping mechanism in the conventional polishing device has poor fixing effect, vibration is easily generated in the polishing process, the machining precision is influenced, the structure is complex, and the disassembly and the assembly are inconvenient; when the workpiece is replaced after polishing is finished, the polishing head idles or stops, continuous processing cannot be realized, and the production efficiency is low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's shortcoming, provide a car injection molding deckle edge grinding device, can realize continuous processing, and fixed effectual, easy dismounting.

In order to solve the technical problem, the utility model discloses a technical scheme is: a burr polishing device for an automobile injection molding part comprises a material preparation table and a polishing base arranged on one side of the material preparation table, wherein a fixed cross beam is arranged on the polishing base, a driving cylinder is arranged on the fixed cross beam, a polishing head is arranged on the driving cylinder, a material preparation rotating motor and an intermittent divider are arranged in the material preparation table, an output shaft of the material preparation rotating motor is connected with an input shaft of the intermittent divider, an output end of the intermittent divider is connected with a rotating shaft, and the top of the rotating shaft penetrates through the material preparation table and is provided with a material preparation turntable;

be equipped with clamping mechanism on the carousel of prepareeing material, clamping mechanism is including pressing from both sides tight base, movable clamp plate and rotatory screw rod, press from both sides tight pedestal mounting on the carousel of prepareeing material, the one end that presss from both sides tight base is equipped with solid fixed splint, and the other end is equipped with the mounting panel, press from both sides tight base upper surface both sides and be equipped with the spout, movable clamp plate sets up solid fixed splint with between the mounting panel, movable clamp plate passes through the spout activity sets up press from both sides tight base is last, rotatory screw rod with mounting panel threaded connection, the linkage plate is installed to the front end of rotatory screw rod, the linkage plate with movable clamp plate.

Further, the head of polishing includes backup pad and bottom suspension fagging, go up the backup pad with the gag lever post that drives actuating cylinder is connected, grinding motor is installed to the bottom suspension fagging, grinding motor's output shaft installs the emery wheel, go up the backup pad with be provided with the pneumatic cylinder between the bottom suspension fagging, the cylinder of pneumatic cylinder with it connects to go up the backup pad, the piston rod of pneumatic cylinder with the bottom suspension fagging is connected, the both sides of pneumatic cylinder are equipped with damping spring respectively, damping spring's both ends respectively with it connects to go up backup pad and bottom suspension fagging.

Further, be equipped with dust extraction on the fixed cross beam, dust extraction includes air exhauster, suction hood, conveyer pipe and fixed connecting rod, the air exhauster sets up on the fixed cross beam, the suction hood passes through fixed connecting rod with the fixed cross beam is connected, the air exhauster passes through the conveyer pipe with the suction hood intercommunication.

Furthermore, the fixed connecting rods are respectively arranged on two sides of the driving air cylinder, and the driving air cylinder penetrates through the middle of the top wall of the dust hood.

Furthermore, a fixing bolt is arranged on the movable clamping plate, and the movable clamping plate can be fixed on the sliding groove through the fixing bolt.

Furthermore, the fixed clamping plate and the movable clamping plate are both arc-shaped structures, and triangular rubber pads are arranged on the inner surfaces of the arc-shaped structures.

Furthermore, a nut is installed at the rear end of the rotary screw, and anti-skid grains are arranged on the nut.

Furthermore, one side of the connecting plate, which is far away from the movable clamping plate, is provided with a groove, a bearing is arranged in the groove, and the rotary screw is fixedly connected with an inner ring of the bearing.

The utility model has the advantages and positive effects that: due to the adoption of the technical scheme, compared with the prior art, the material preparation rotary motor and the intermittent divider are arranged to drive the material preparation rotary table to rotate intermittently, so that workpieces on the material preparation rotary table are sequentially and alternately polished, uninterrupted polishing is realized, the labor intensity is reduced, and the production efficiency is improved; the material preparation turntable is provided with the clamping mechanism, the movable clamping plate is pushed and pulled to slide on the sliding groove through forward and reverse rotation of the screw rod so as to clamp and release the workpiece, the whole clamping and releasing process does not need to disassemble a tool, the structure is simple, the operation is convenient, a better fixing effect can be better realized through the fixing bolt, the machining process is not easy to deviate, the grinding precision is ensured, and the reject ratio is reduced; the lower end of the fixed cross beam is provided with the dust hood and is matched with the suction fan and the conveying pipe, so that scraps and dust generated in the polishing process are sucked away, the working environment is improved, and the personal safety is ensured; set up the flexible cooperation of damping spring and pneumatic cylinder between last backup pad through the head of polishing and the bottom suspension fagging, both played the absorbing effect to the head of polishing, the reciprocating motion of pneumatic cylinder has restricted self that damping spring brought and has rocked, makes to polish more steadily, has guaranteed the precision of polishing, and then has promoted the quality of polishing.

Drawings

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

FIG. 2 is a schematic view of the internal structure of the material preparing table of the present invention;

fig. 3 is a schematic view of the clamping mechanism of the present invention;

FIG. 4 is a partially enlarged view of the clamping mechanism A of the present invention;

fig. 5 is a schematic view of the polishing head structure of the present invention.

In the figure: 10 material preparation tables, 20 polishing bases, 30 driving cylinders, 40 polishing heads, 50 clamping mechanisms, 60 dust suction devices and 70 workpieces; 11 stock rotary motors, 12 intermittent dividers, 13 rotary shafts, 14 stock turntables and 15 supporting plates; 21 fixing the cross beam; 41 grinding wheel, 42 grinding motor, 43 lower support plate, 44 damping spring, 45 upper support plate and 46 hydraulic cylinder; 51 clamping base, 52 movable clamping plate, 53 fixed bolt, 54 rotating screw rod, 55 fixed clamping plate, 56 mounting plate, 57 sliding groove, 58 connecting plate, 581 groove, 582 bearing and 59 nut; 61 a dust hood, 62 a conveying pipe, 63 an exhaust fan and 64 a fixed connecting rod.

Detailed Description

The present invention will be further described with reference to the following examples and accompanying drawings.

As shown in fig. 1 to 4, the embodiment provides a burr polishing device for an automobile injection molding part, including a material preparation table 10 and a polishing base 20 arranged on one side of the material preparation table 10, a fixed cross beam 21 is arranged on the top end of the polishing base 20, a driving cylinder 30 is arranged on the lower surface of the fixed cross beam 21, a polishing head 40 is arranged on the driving cylinder 30, wherein a supporting plate 14 is arranged in the material preparation table 10, an intermittent divider 12 is fixedly arranged on the supporting plate 14, a rotating motor 11 is fixedly arranged on the lower end of the supporting plate 14, and an output shaft of the rotating motor 11 is arranged on the same side as an input shaft of the intermittent divider 12 and is connected through. The output end of the intermittent divider 12 is connected with a rotating shaft 13, and the top of the rotating shaft 13 penetrates through the material preparing table 10 and is provided with a material preparing turntable 14. The left side and the right side of the stock turntable 14 are respectively provided with a clamping mechanism 50 for fixing a workpiece 70. The material preparation rotary motor and the intermittent divider are arranged to drive the material preparation rotary table to rotate intermittently, so that workpieces on the material preparation rotary table are sequentially and alternately polished, and uninterrupted polishing is realized.

The clamping mechanism 50 comprises a clamping base 51, a movable clamping plate 52 and a rotary screw 54, the clamping base 51 is fixedly mounted on the material preparation turntable 14 through bolts, a fixed clamping plate 55 is fixedly arranged at one end of the clamping base 51, a mounting plate 56 is fixedly arranged at the other end of the clamping base, sliding grooves 57 are formed in two sides of the upper surface of the clamping base 51, and the fixed clamping plate 55, the mounting plate 56, the sliding grooves 57 and the clamping base are integrally formed. The movable clamping plate 52 is arranged between the fixed clamping plate 55 and the mounting plate 56, the movable clamping plate 52 is movably arranged on the clamping base 51 through a sliding groove 57, the fixed bolt 52 is arranged on the movable clamping plate 52, and the movable clamping plate 52 can be fixed on the sliding groove 57 through the fixed bolt 52. The fixed clamping plate 55 and the movable clamping plate 52 are both arc-shaped structures, and triangular rubber pads are arranged on the inner surfaces of the arc-shaped structures. The arc-shaped structure and the triangular rubber pad increase the contact area and the friction strength with the part to be ground, and the workpiece is prevented from being loosened and thrown away due to the rotation of the material preparation turntable. The rotary screw rod 54 is in threaded connection with the mounting plate 56, the front end of the rotary screw rod 54 is provided with a connecting plate 58, and the connecting plate 58 is fixedly connected with the movable clamping plate 52. In order to keep the rotating screw 54 stably driven, a groove 581 is arranged on the side of the connecting plate 58 far away from the movable clamping plate 52, a bearing 582 is arranged in the groove 581, and the rotating screw 54 is fixedly connected with the inner ring of the bearing 582. The rear end of the rotary screw 54 is provided with a nut 59, and the nut 59 is provided with anti-skid threads. The movable clamping plate 52 is pushed and pulled to slide on the sliding groove 57 through the positive and negative rotation of the rotating screw 54 so as to clamp and release a workpiece, the whole clamping and releasing process does not need to be disassembled, the structure is simple, the operation is convenient, the better fixing effect can be better realized through the fixing bolt 53, the machining process is not easy to deviate, the grinding precision is ensured, and the reject ratio is reduced.

As shown in fig. 5, the polishing head 40 includes an upper support plate 45 and a lower support plate 43, the upper support plate 45 is connected with a plunger rod of the driving cylinder 30, the lower support plate 43 is provided with the polishing motor 42, the output shaft of the polishing motor 42 is provided with the grinding wheel 41, a hydraulic cylinder 46 is arranged between the upper support plate 45 and the lower support plate 43, a cylinder barrel of the hydraulic cylinder is fixedly connected with the upper support plate 45, a piston rod of the hydraulic cylinder 40 is connected with the lower support plate 43, two sides of the hydraulic cylinder 40 are respectively provided with a damping spring 44, and two ends of the damping spring 44 are respectively connected with the upper support plate. The telescopic cooperation of the damping spring and the hydraulic cylinder is arranged between the upper supporting plate and the lower supporting plate of the polishing head, so that the effect of damping the polishing head is achieved, the reciprocating motion of the hydraulic cylinder limits the self shaking caused by the damping spring, and the polishing is more stable.

As shown in fig. 1, a dust suction device 60 is disposed on the fixed beam 21, the dust suction device includes an exhaust fan 63, a dust suction hood 61, a delivery pipe 62 and a fixed link 64, the exhaust fan 63 is fixedly disposed on the fixed beam 21, the dust suction hood 61 is connected to the fixed beam 21 through the fixed link 64, and the exhaust fan 63 is communicated with the dust suction hood 61 through the delivery pipe 62. Preferably, the fixed connecting rods 64 are respectively disposed at both sides of the driving cylinder 30, and the driving cylinder 30 penetrates to the middle of the top wall of the dust collection cover 61. The lower end of the fixed cross beam 21 is provided with the dust hood 61 and is matched with the suction fan 63 and the conveying pipe 62, so that scraps and dust generated in the polishing process are sucked away, the working environment is improved, and the personal safety is ensured.

The working process of the example is as follows: an operator places a workpiece to be polished in the clamping mechanism 50 on the material preparation turntable 14, specifically, places the workpiece on the clamping base 51 of the left clamping mechanism 50, makes one side of the workpiece fit with the inner surface of the fixed clamping plate 55, rotates the nut 59 and the screw 54, so that the movable clamping plate 52 is pushed by the connecting plate 58 to slide towards the workpiece above the sliding groove 57 until the inner surface of the movable clamping plate 52 is fit and fixed with the other side surface of the workpiece, and rotates the fixed bolt 53 to better fix the workpiece; at this moment, start the rotating electrical machines 11 that prepares material, the rotating electrical machines 11 that prepares material transmits power for intermittent type divider 12 through the belt, thereby it rotates to drive the carousel 14 intermittent type that prepares material to rotate to drive rotation axis 13 through intermittent type divider 12, intermittent type divider 12 is 180 degrees at every turn, will treat that the work piece of polishing rotates to the right side position of polishing, at this moment, start and drive actuating cylinder 30 and adjust the suitable position of polishing head 40, start polishing motor 42 and begin to polish, after polishing the completion, intermittent type divider continues to rotate 180 degrees, switch the work piece that will polish to the station of preparing material, will treat that the work piece of polishing switches to the station of polishing simultaneously, thereby realize ince. During sanding, suction fan 63 is turned on to draw debris and dust from sanding through suction hood 40 and out of delivery tube 62. The polishing head 40 can vibrate when encountering uneven irregular machining surfaces in the working process, the damping spring 44 and the hydraulic cylinder 46 are arranged between the upper supporting plate 45 and the lower supporting plate 43, the damping spring 44 and the hydraulic cylinder 66 are matched to realize reciprocating motion, the polishing head is buffered, the vibration caused by the contraction of the damping spring 44 is restrained through the expansion and contraction of the hydraulic cylinder 46, and the polishing precision is ensured.

The utility model has the advantages that: the material preparation rotary motor 11 and the intermittent divider 12 are arranged to drive the material preparation rotary table 14 to rotate intermittently, so that workpieces on the material preparation rotary table 14 are sequentially and alternately polished, uninterrupted polishing is realized, the labor intensity is reduced, and the production efficiency is improved; the clamping mechanism 50 is arranged on the material preparation turntable 14, the movable clamping plate 52 is pushed and pulled to slide on the sliding groove through the positive and negative rotation of the screw 54 so as to clamp and release a workpiece, the whole clamping and releasing process does not need to disassemble a tool, the structure is simple, the operation is convenient, a better fixing effect can be better realized through the fixing bolt 53, the machining process is not easy to deviate, the grinding precision is ensured, and the reject ratio is reduced; the lower end of the fixed cross beam 21 is provided with the dust hood 61 and is matched with the suction fan 63 and the conveying pipe 62, so that scraps and dust generated in the polishing process are sucked away, the working environment is improved, and the personal safety is ensured; set up two sets of damping spring 44 and pneumatic cylinder 45 between the last backup pad 44 of head of polishing 40 and bottom suspension fagging 43, damping spring 44 has played the absorbing effect of the in-process of polishing, and the piston rod reciprocating motion of pneumatic cylinder 45 has restricted self because of damping spring 44 shock attenuation shrink brings and has rocked, has improved the precision of polishing, and then has improved the quality of polishing.

While one or more embodiments of the present invention have been described in detail, the description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.

Claims

1. The utility model provides an automobile injection molding deckle edge grinding device, is in including stock preparation platform (10) and setting the base (20) of polishing of stock preparation platform (10) one side, it is provided with fixed cross beam (21) on base (20) to polish, install on fixed cross beam (21) and drive actuating cylinder (30), drive and install on actuating cylinder (30) and polish head (40), its characterized in that: a material preparation rotating motor (11) and an intermittent divider (12) are arranged in the material preparation table (10), an output shaft of the material preparation rotating motor (11) is connected with an input shaft of the intermittent divider (12), an output end of the intermittent divider (12) is connected with a rotating shaft (13), and the top of the rotating shaft (13) penetrates through the material preparation table (10) and is provided with a material preparation turntable (14);

the material preparation turntable (14) is provided with a clamping mechanism (50), the clamping mechanism (50) comprises a clamping base (51), a movable clamping plate (52) and a rotating screw rod (54), the clamping base (51) is arranged on the material preparation turntable (14), one end of the clamping base (51) is provided with a fixed clamping plate (55), the other end is provided with a mounting plate (56), sliding grooves (57) are arranged on two sides of the upper surface of the clamping base (51), the movable clamping plate (52) is arranged between the fixed clamping plate (55) and the mounting plate (56), the movable clamping plate (52) is movably arranged on the clamping base (51) through the sliding groove (57), the rotary screw rod (54) is in threaded connection with the mounting plate (56), the front end of the rotary screw rod (54) is provided with a connecting plate (58), and the connecting plate (58) is connected with the movable clamping plate (52).

2. The automotive injection molding burr grinding device of claim 1, wherein: the polishing head (40) comprises an upper supporting plate (45) and a lower supporting plate (43), the upper supporting plate (45) is connected with a plunger rod of a driving cylinder (30), a polishing motor (42) is installed on the lower supporting plate (43), a grinding wheel (41) is installed on an output shaft of the polishing motor (42), the upper supporting plate (45) is connected with a hydraulic cylinder (46) arranged between the lower supporting plates (43), a cylinder barrel of the hydraulic cylinder (46) is connected with the upper supporting plate (45), a piston rod of the hydraulic cylinder (46) is connected with the lower supporting plate (43), damping springs (44) are respectively arranged on two sides of the hydraulic cylinder (46), and two ends of each damping spring (44) are respectively connected with the upper supporting plate (45) and the lower supporting plate (43).

3. The automotive injection molding burr grinding device of claim 1 or 2, wherein: be equipped with dust extraction (60) on fixed cross beam (21), dust extraction includes air exhauster (63), suction hood (61), conveyer pipe (62) and fixed connecting rod (64), air exhauster (63) set up on fixed cross beam (21), suction hood (61) pass through fixed connecting rod (64) with fixed cross beam (21) are connected, air exhauster (63) pass through conveyer pipe (62) with suction hood (61) intercommunication.

4. The automotive injection molding burr grinding device of claim 3, wherein: the fixed connecting rods (64) are respectively arranged on two sides of the driving cylinder (30), and the driving cylinder (30) penetrates through the middle of the top wall of the dust hood (61).

5. The automotive injection molding burr grinding device of claim 1, wherein: the movable clamping plate (52) is provided with a fixing bolt (53), and the movable clamping plate (52) can be fixed on the sliding groove (57) through the fixing bolt (53).

6. The automotive injection molding burr grinding device of claim 1, wherein: the fixed clamping plate (55) and the movable clamping plate (52) are both arc-shaped structures, and triangular rubber pads are arranged on the inner surfaces of the arc-shaped structures.

7. The automotive injection molding burr grinding device of claim 1, wherein: and a nut (59) is installed at the rear end of the rotary screw rod (54), and anti-skid threads are arranged on the nut (59).

8. The automotive injection molding burr grinding device of claim 1, wherein: a groove (581) is formed in one side, away from the movable clamping plate (52), of the connecting plate (58), a bearing (582) is arranged in the groove (581), and the rotary screw rod (54) is fixedly connected with an inner ring of the bearing (582).