Deburring device for injection molding
Technical Field
The utility model relates to the technical field of burr removing devices, in particular to a burr removing device for an injection molding piece.
Background
Burrs on mechanical parts are caused by plastic deformation in the cutting process; some are flashes for casting, die forging, etc., and some are welding extrusion residues. With the improvement of industrialization and automation degree, in the field of mechanical processing, particularly in the fields of aviation, aerospace and instruments and meters, the manufacturing precision requirement of mechanical parts is improved, the mechanism design is miniaturized, the harmfulness of burrs is particularly obvious, people gradually pay attention to the generation mechanism and the removal method of the burrs, and research is started on the generation mechanism and the removal method of the burrs.
Through retrieval, chinese patent with publication number CN212444471U discloses a deburring device for shell injection moldings, relates to the technical field of burrs, and aims to solve the problem that the existing deburring device polishes and debugs elements, but is often difficult to operate when the elements are irregular in shape. The top of interior intracavity portion is provided with first dead lever mechanism, the below of interior intracavity portion is provided with second dead lever mechanism, the outer wall of first dead lever mechanism is provided with the first removal body of rod, the below of the first removal body of rod is provided with the second removal body of rod, the second removal body of rod passes through the rotatory hinge of second and is connected with the rotation of the first removal body of rod, the below of the second removal body of rod is provided with the small-size motor, the below of small-size motor is provided with grinds the blade, the outer wall of second dead lever mechanism is provided with first fixed block, one side of first fixed block is provided with the second fixed block, the opposite side of first fixed block is provided with the axis of rotation.
The above patents suffer from the following disadvantages: according to the device, after the polishing element is clamped through the first fixing block and the second fixing block, metal scraps can be attached to the clamping surfaces of the first fixing block and the second fixing block, and then the next polishing element can be scratched, so that the product quality is affected.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Aiming at the defects of the prior art, the utility model provides a deburring device for injection molding parts, which solves the problems mentioned in the background technology.
(II) technical scheme
In order to achieve the purpose, the utility model is realized by the following technical scheme: the utility model provides a deburring device for injection molding, includes the box, the bottom of box is fixed with the fixing base, the top of fixing base is fixed with places the platform, the inner wall of box is fixed with hydraulic lifting rod, hydraulic lifting rod's bottom is provided with grinding device, the inner wall of box is fixed with the cylinder, be fixed with the pinch-off blades on the cylinder, be provided with drive mechanism on the fixing base, drive mechanism includes the driving plate, the bottom of driving plate is fixed with the connecting rod, the bottom of connecting rod is fixed with first rack, the bottom and the gear of first rack are intermeshing form, the inner wall of gear is fixed with the bull stick, the one end that the gear was kept away from to the bull stick rotates the inner wall of installing at the fixing base, be provided with clearance mechanism on the fixing base.
Preferably, one side of the transmission plate far away from the placing table is fixed with a first spring, one side of the first spring far away from the transmission plate is fixed on the fixed block, and the bottom of the fixed block is fixed at the top of the fixed seat.
Preferably, the gear is meshed with the top of the second rack, a supporting rod is fixed at the bottom of the second rack, the bottom of the supporting rod is slidably mounted on the inner wall of the fixing seat, and a limiting rod is fixed on one side, away from the placing table, of the second rack.
Preferably, the cleaning mechanism comprises a second spring, a connecting block is fixed to the top of the second spring, one side of the connecting block is slidably mounted on the inner wall of the fixing seat, the other side of the connecting block is fixed to the transmission block, a limiting groove is formed in one side, far away from the connecting block, of the transmission block, an L-shaped connecting rod is fixed to the top of the transmission block, a scraper is slidably mounted at the bottom of the L-shaped connecting rod, a supporting block is fixed to the top of the scraper, a third spring is fixed to one side, close to the L-shaped connecting rod, of the supporting block, and the other side of the third spring is fixed to the L-shaped connecting rod.
(III) advantageous effects
The utility model provides a deburring device for injection molding parts. The method has the following beneficial effects:
(1) this injection molding de-burring device, after polishing the injection molding, through starting the cylinder, drive two sets of tight pieces of clamp and keep away from each other, when the tight piece of clamp removes the assigned position, can make the tight piece extrusion driving plate of clamp, through drive mechanism, the gear, the bull stick, the cooperation of second rack, make the gag lever post shift out from the spacing groove, cooperation through clearance mechanism, and then make the tight face of clamp of scraper blade laminating clamp plate remove, and then played the effect of clean clamp plate, prevent to adhere to the metal piece on the clamp plate, when pressing from both sides tightly next injection molding, cause the injection molding fish tail easily.
(2) This injection molding de-burring device after clearing up the clamp plate, gets back to the normal position through pulling L type connecting rod, starts the cylinder, makes two sets of clamp plates press from both sides tightly next injection molding, keeps away from the driving plate because of the clamp plate, through the cooperation of drive mechanism, gear, bull stick, second rack, makes the gag lever post stretch into the spacing groove, makes the transmission piece fixed, and then can carry out the work of clearing up the clamp plate next time.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is an enlarged view of the structure A of FIG. 1 according to the present invention;
FIG. 3 is an enlarged view of the structure B of FIG. 1 according to the present invention;
FIG. 4 is an enlarged view of the structure C of FIG. 1 according to the present invention.
In the figure: 1. a box body; 2. a fixed seat; 3. a hydraulic lifting rod; 4. a polishing device; 5. a cylinder; 6. a clamping plate; 7. a placing table; 8. a transmission mechanism; 81. a drive plate; 82. a first spring; 83. a fixed block; 84. a connecting rod; 85. a first rack; 9. a gear; 10. a rotating rod; 11. a second rack; 12. a support bar; 13. a limiting rod; 14. a limiting groove; 15. a cleaning mechanism; 151. a second spring; 152. connecting blocks; 153. a transmission block; 154. an L-shaped connecting rod; 155. a squeegee; 156. a third spring; 157. and (7) a supporting block.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a deburring device for injection-molded parts comprises a box body 1, a fixed seat 2 is fixed at the bottom of the box body 1, a placing table 7 is fixed at the top of the fixed seat 2, a hydraulic lifting rod 3 is fixed on the inner wall of the box body 1, the hydraulic lifting rod 3 can drive a polishing device 4 to move up and down so as to facilitate polishing of workers, the polishing device 4 is arranged at the bottom of the hydraulic lifting rod 3, an air cylinder 5 is fixed on the inner wall of the box body 1, a clamping plate 6 is fixed on the air cylinder 5, when the injection-molded parts are polished, the injection-molded parts are placed on the placing table 7, the clamping plate 6 can clamp the injection-molded parts on the placing table 7 by starting the air cylinder 5, a transmission mechanism 8 is arranged on the fixed seat 2, the transmission mechanism 8 comprises a transmission plate 81, the bottom of the transmission plate 81 is slidably mounted at the top of the fixed seat 2, a connecting rod 84 is fixed at the bottom of the transmission plate 81, the connecting rod 84 penetrates through the top of the fixed seat 2, the connecting rod 84 can move at the penetrating position of the fixed seat 2, a first rack 85 is fixed at the bottom of the connecting rod 84, the bottom of the first rack 85 and the gear 9 are in a mutually meshed shape, a rotating rod 10 is fixed on the inner wall of the gear 9, one end, far away from the gear 9, of the rotating rod 10 is rotatably installed on the inner wall of the fixed seat 2, a cleaning mechanism 15 is arranged on the fixed seat 2, a first spring 82 is fixed on one side, far away from the placing table 7, of the transmission plate 81, a first spring 82 is fixed on one side, far away from the transmission plate 81, of the first spring 82, is fixed on the fixed block 83, the bottom of the fixed block 83 is fixed on the top of the fixed seat 2, the gear 9 is meshed with the top of the second rack 11, a supporting rod 12 is fixed at the bottom of the second rack 11, the bottom of the supporting rod 12 is slidably installed on the inner wall of the fixed seat 2, the supporting rod 12 plays a role of supporting the second rack 11, a limiting rod 13 is fixed on one side, far away from the placing table 7, of the second rack 11, after polishing the injection molding, through control cylinder 5, make clamping plate 6 keep away from each other, when clamping plate 6 removed the assigned position, can make clamping plate 6 extrude driving plate 81, and then make driving plate 81 drive connecting rod 84 and remove, make first rack 85 remove, drive gear 9 is rotatory, and then make second rack 11 drive gag lever post 13 and remove, make gag lever post 13 follow spacing groove 14 and shift out.
Above-mentioned clearance mechanism 15 includes second spring 151, and the top of second spring 151 is fixed with connecting block 152, and one side slidable mounting of connecting block 152 is on the inner wall of fixing base 2, and the opposite side of connecting block 152 is fixed on transmission block 153, and transmission block 153 runs through the top of fixing base 2. The side of the transmission block 153, which is far away from the connection block 152, is provided with a limit groove 14, the top of the transmission block 153 is fixed with an L-shaped connection rod 154, the bottom of the L-shaped connection rod 154 is slidably provided with a scraper 155, the top of the scraper 155 is fixed with a supporting block 157, one side of the supporting block 157, which is close to the L-shaped connection rod 154, is fixed with a third spring 156, the arrangement of the third spring 156 can enable the scraper 155 to be always attached to the clamping plate 6, the elastic coefficient of the second spring 151 is larger than that of the third spring 156, the other side of the third spring 156 is fixed on the L-shaped connection rod 154, when the limit rod 13 is moved out of the limit groove 14, because the second spring 151 is in a stretching state, the connection block 152 drives the transmission block 153 to move downwards, the L-shaped connection rod 154 moves downwards, the scraper 155 is attached to the top of the clamping plate 6, and further the scraper 155 can scrape metal chips attached to the clamping plate 6, prevent to adhere to a large amount of metal fragments on the clamping surface of clamp plate 6, probably when pressing from both sides tight next injection molding, cause the injection molding fish tail easily, influence product quality.
When the injection molding machine works (or is used), when the injection molding piece is polished, the injection molding piece is placed on the placing table 7, the air cylinder 5 can be started, the clamping plates 6 are enabled to be close to each other, the injection molding piece is clamped, the injection molding piece is polished through the polishing device 4, after the injection molding piece is polished, the clamping plates 6 are enabled to be far away from each other through controlling the air cylinder 5, when the clamping plates 6 move to a specified position, the clamping plates 6 can extrude the transmission plates 81, the transmission plates 81 can drive the connecting rods 84 to move, the first racks 85 can move, the gears 9 can be driven to rotate, the second racks 11 can drive the limiting rods 13 to move, the limiting rods 13 can move out of the limiting grooves 14, the connecting blocks 152 can drive the transmission blocks 153 to move downwards due to the fact that the second springs 151 are in a stretching state, the L-shaped connecting rods 154 can move downwards, the scraping plates 155 can be attached to the tops of the clamping plates 6, the scraping plates 155 can be tightly attached to the clamping surfaces of the clamping plates 6 to move through the third springs 156, and then the scraping plate 155 can scrape off the metal debris attached to the clamping plate 6, so as to prevent a large amount of metal debris from being attached to the clamping surface of the clamping plate 6, which may cause scratch of the injection molding piece when clamping the next injection molding piece, and affect the product quality, when the injection molding piece needs to be clamped, the L-shaped connecting rod 154 is pulled to move upwards, when the L-shaped connecting rod 154 moves to the original position, the cylinder 5 can be started, so that the clamping plates 6 approach to each other to clamp the injection molding piece, when the clamping plate 6 is far away from the driving plate 81, the driving plate 81 returns to the original position due to the compression state of the first spring 82, the driving plate 81 drives the connecting rod 84 to move, so that the first rack 85 moves, the second rack 11 drives the limiting rod 13 to extend into the limiting groove 14 of the driving block 153 through the gear 9, so that the driving block 153 is fixed, and further the scraping plate 155 is fixed, further, the next cleaning work of the chucking plate 6 can be performed.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
