CN211917548U

CN211917548U - Product drawing of patterns shape mechanism of preapring for an unfavorable turn of events

Info

Publication number: CN211917548U
Application number: CN201922317078.7U
Authority: CN
Inventors: 喻宁; 杨开期
Original assignee: Suzhou Tianchenda Precision Machinery Co ltd
Current assignee: Suzhou Tianchenda Precision Machinery Co ltd
Priority date: 2019-12-21
Filing date: 2019-12-21
Publication date: 2020-11-13
Anticipated expiration: 2029-12-21

Abstract

The utility model discloses a product demoulding anti-deformation mechanism in the technical field of demoulding auxiliary equipment, which comprises a base, wherein the top of the base is provided with a frame, the bottoms of the inner walls at the left and right sides of the frame are respectively provided with a chute, two groups of chutes are slidably connected with a movable block, the center of the outer wall at the bottom of a connecting plate is provided with an upper die, the center of the outer wall at the top of the connecting plate is provided with an adhesive injection pipe, the bottom of the adhesive injection pipe extends into the upper die, the lower die comprises a shell sleeved on the frame by screw threads, the center of the outer wall at the top of the shell is provided with a forming groove, before the mould is opened, a motor is started firstly, the motor drives a rotating rod and an ejector plate to rotate, so that the formed workpiece is separated from the inner wall of the forming groove by the rotation, then when the movable block ascend, the workpiece is pulled and deformed when the ejector plate ejects the workpiece.

Description

Product drawing of patterns shape mechanism of preapring for an unfavorable turn of events

Technical Field

The utility model relates to a drawing of patterns auxiliary assembly technical field specifically is a product drawing of patterns deformation mechanism of preapring for an unfavorable turn of events.

Background

In the process of carrying out injection mold, especially in the shaping of circular plastics work piece, the mould after the shaping leads to the work piece to warp easily owing to receive the inhomogeneous reason of ejector pin stress point in ejecting drawing of patterns, and the plastics work piece is stained with easily and attaches at the mould inner wall, causes to pull easily during ejecting and causes the mould to warp, for this reason, we provide a product drawing of patterns and prevent deformation mechanism.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a product drawing of patterns deformation prevention mechanism to solve the problem of proposing in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a product demoulding anti-deformation mechanism comprises a base, wherein a rack is arranged at the top of the base, sliding grooves are formed in the bottoms of the inner walls of the left side and the right side of the rack, movable blocks are connected in the sliding grooves in two groups, a left group of electric telescopic rods and a right group of electric telescopic rods are arranged at the inner side of the joint of the outer wall of the top of the base and the rack, the tops of the two groups of electric telescopic rods are fixedly connected with the bottoms of the movable blocks, a screw hole which is communicated up and down is formed in the center of the outer wall of the top of the rack, a lower die is sleeved in the screw hole, through holes are formed in the left side and the right side of the joint of the outer wall of the top of the rack and the lower die, tensioning bolts are movably inserted in the through holes, screw holes are formed in the left side, the bottom of the glue injection pipe extends into the upper die, the lower die comprises a shell which is sleeved on the rack through threads, and a forming groove is formed in the center of the outer wall of the top of the shell.

Further, movable block top outer wall is equipped with the liftout, the liftout includes the cavity that the movable block set up, cavity bottom inner wall is equipped with the motor, the bull stick is installed through the reduction gear to motor top power end, the bull stick top extends to the shaping inslot inner chamber and is connected with the liftout plate, liftout plate hoop outer wall and the laminating of shaping inslot wall.

Furthermore, four corners of the outer wall of the top of the ejection plate are provided with positioning holes.

Furthermore, the outer wall of the top of the rack is provided with a sealing groove matched with the annular connecting block.

Furthermore, a spring is arranged at the joint of the outer wall of the bottom of the connecting plate and the tensioning bolt, the spring is sleeved on the outer wall of the tensioning bolt, and the bottom of the spring is fixedly connected with the outer wall of the top of the rack.

Furthermore, the rectangular array of the outer wall of the top of the connecting plate is provided with four groups of screw holes, screws are arranged in the screw holes, and the outer wall of the top of the upper die is provided with mounting holes matched with the screws.

Compared with the prior art, the beneficial effects of the utility model are that: before the die sinking, at first the starter motor, the motor drives the bull stick and the liftout plate is rotatory for the work piece after the shaping is rotated and the separation of shaping inslot wall, then when the movable block rose the die sinking, can drive the bull stick and the liftout plate rises and ejecting with the work piece after the shaping, accomplishes the drawing of patterns, can avoid the work piece can't break away from the shaping inslot wall, causes the work piece to be dragged the deformation when the liftout plate is ejecting the work piece.

Drawings

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

fig. 2 is a schematic view of the connection between the movable block and the tightening bolt of the present invention.

In the figure: 1. a base; 2. a frame; 3. a chute; 4. a movable block; 5. an electric telescopic rod; 6. a lower die; 61. a housing; 62. an annular connecting block; 63. forming a groove; 7. tightening the bolts; 8. a connecting plate; 9. a spring; 10. an upper die; 11. a glue injection pipe; 12. ejecting the part; 13. a cavity; 14. a motor; 15. a rotating rod; 16. ejecting the plate; 17. and (7) positioning the holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a technical scheme: a product demoulding anti-deformation mechanism, please refer to fig. 1-2, which comprises a base 1, wherein a frame 2 is arranged at the top of the base 1, sliding grooves 3 are respectively arranged at the bottoms of the inner walls at the left side and the right side of the frame 2, movable blocks 4 are slidably connected in the two groups of sliding grooves 3, two groups of electric telescopic rods 5 are respectively arranged at the inner side of the joint of the outer wall at the top of the base 1 and the frame 2, the tops of the two groups of electric telescopic rods 5 are fixedly connected with the bottoms of the movable blocks 4, screw holes which are vertically communicated are arranged at the center of the outer wall at the top of the frame 2, lower dies 6 are sleeved in the screw holes, through holes are respectively arranged at the left side and the right side of the joint of the outer wall at the top of the frame 2 and the lower dies 6, tensioning bolts 7 are movably inserted in the through holes, an injection pipe 11 is arranged in the center of the outer wall of the top of the connecting plate 8, raw materials are injected between the upper die 10 and the lower die 6, then the electric telescopic rod 5 is started to extend after the raw materials are cooled and formed, the electric telescopic rod 5 drives the movable block 4, the tension bolt 7, the connecting plate 8 and the upper die 10 to ascend to open the die, at the moment, the ejector 12 ejects a formed workpiece under the driving of the movable block 4 to complete demolding, the bottom of the injection pipe 11 extends into the upper die 10, the lower die 6 comprises a shell 61 which is sleeved on the rack 2 in a threaded manner, a forming groove 63 is arranged in the center of the outer wall of the top of the shell 61, and the melted raw materials are;

referring to fig. 1-2, an ejector 12 is arranged on the outer wall of the top of a movable block 4, the ejector 12 includes a cavity 13 formed in the movable block 4, a motor 14 is arranged on the inner wall of the bottom of the cavity 13, a rotating rod 15 is mounted at the power end of the top of the motor 14 through a speed reducer, an ejector plate 16 is connected to the inner cavity of a forming groove 63 extending to the top of the rotating rod 15, the motor 14 drives the rotating rod 15 and the ejector plate 16 to rotate, so that a formed workpiece is rotated to be separated from the inner wall of the forming groove 63, then the movable block 4 rises to drive the ejector plate 16 to rise to eject the formed workpiece, demolding is completed, and the outer wall of the ejector plate 16 is attached to the inner wall of;

referring to fig. 2, positioning holes 17 are formed in four corners of the outer wall of the top of the ejector plate 16, and the positioning holes 17 are used for preventing a workpiece from sliding with the ejector plate 16 when the ejector plate 16 rotates, so that the workpiece cannot be separated from the inner wall of the forming groove 63, the workpiece is pulled and deformed when the ejector plate 16 ejects the workpiece, and protrusions formed by the positioning holes 17 are ground by polishing equipment after demolding;

referring to fig. 2, an annular connecting block 62 is fixedly sleeved on the top of the annular outer wall of the housing 61, a sealing groove matched with the annular connecting block 62 is formed in the outer wall of the top of the frame 2, and an operation hole is formed in the outer wall of the top of the annular connecting block 62, so that the housing 61 can be conveniently rotated to be taken down for cleaning and maintenance;

referring to fig. 1, a spring 9 is arranged at a joint between an outer wall of the bottom of a connecting plate 8 and a tension bolt 7, the spring 9 is sleeved on the outer wall of the tension bolt 7, the bottom of the spring 9 is fixedly connected with an outer wall of the top of a frame 2, the spring 9 is extruded when the mold is closed, and the connecting plate 8 and the frame 2 are pushed open in a resetting manner when the mold is opened, so that the mold opening is smoother;

referring to fig. 1, four groups of screw holes are arranged in a rectangular array on the outer wall of the top of the connecting plate 8, screws are arranged in the screw holes, and mounting holes matched with the screws are arranged on the outer wall of the top of the upper die 10, so that the upper die 10 can be conveniently disassembled and assembled for cleaning and maintenance.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a product drawing of patterns anti-deformation mechanism, includes base (1), its characterized in that: the top of the base (1) is provided with a rack (2), the bottoms of the inner walls of the left side and the right side of the rack (2) are respectively provided with a sliding chute (3), two groups of sliding chutes (3) are connected with a movable block (4) in a sliding manner, the inner side of the joint of the outer wall of the top of the base (1) and the rack (2) is provided with a left group of electric telescopic rods (5) and a right group of electric telescopic rods (5), the top of the two groups of electric telescopic rods (5) is fixedly connected with the bottom of the movable block (4), the center of the outer wall of the top of the rack (2) is provided with a screw hole which is vertically communicated, a lower die (6) is sleeved in the screw hole, the left side and the right side of the joint of the outer wall of the top of the rack (2) and the lower die (6) are respectively provided with a through hole, a tensioning bolt (7, connecting plate (8) bottom outer wall center is equipped with mould (10), connecting plate (8) top outer wall center is equipped with injecting glue pipe (11), injecting glue pipe (11) bottom extends to in last mould (10), lower mould (6) include that the screw sleeve is established shell (61) on frame (2), shell (61) top outer wall center is equipped with into groove (63).

2. The product demolding deformation preventing mechanism as claimed in claim 1, wherein: the utility model discloses a movable block (4) top outer wall is equipped with ejecting (12), ejecting (12) including cavity (13) that movable block (4) set up, cavity (13) bottom inner wall is equipped with motor (14), bull stick (15) are installed through the reduction gear to motor (14) top power end, bull stick (15) top is extended to shaping groove (63) inner chamber and is connected with ejecting plate (16), ejecting plate (16) hoop outer wall and the laminating of shaping groove (63) inner wall.

3. The product demolding deformation preventing mechanism as claimed in claim 2, wherein: and positioning holes (17) are formed in four corners of the outer wall of the top of the ejecting plate (16).

4. The product demolding deformation preventing mechanism as claimed in claim 1, wherein: the outer shell (61) ring is fixed to be equipped with cyclic annular connecting block (62) to outer wall top, frame (2) top outer wall is equipped with the seal groove with cyclic annular connecting block (62) matched with.

5. The product demolding deformation preventing mechanism as claimed in claim 1, wherein: the connecting plate is characterized in that a spring (9) is arranged at the joint of the outer wall of the bottom of the connecting plate (8) and the tensioning bolt (7), the outer wall of the tensioning bolt (7) is sleeved with the spring (9), and the bottom of the spring (9) is fixedly connected with the outer wall of the top of the rack (2).

6. The product demolding deformation preventing mechanism as claimed in claim 1, wherein: the rectangular array of the outer wall of the top of the connecting plate (8) is provided with four groups of screw holes, screws are arranged in the screw holes, and mounting holes matched with the screws are formed in the outer wall of the top of the upper die (10).