CN210590402U

CN210590402U - Automatic automobile plastic part injection mold of drawing of patterns

Info

Publication number: CN210590402U
Application number: CN201921319167.9U
Authority: CN
Inventors: 姜伟
Original assignee: Suzhou Junchuang Auto Technologies Co ltd
Current assignee: Suzhou Junchuang Auto Technologies Co ltd
Priority date: 2019-08-15
Filing date: 2019-08-15
Publication date: 2020-05-22
Anticipated expiration: 2029-08-15

Abstract

The utility model relates to an injection mold technical field, and an automatic automobile plastic spare injection mold of drawing of patterns is disclosed, including last mould and lower mould, the lateral wall of lower mould is seted up flutedly, the inner wall sliding connection that the recess is close to the bottom has the push-and-pull rod, the same reset spring of fixedly connected with between the tank bottom of the left end of push-and-pull rod and recess, the last side rod wall of push-and-pull rod evenly rotates and is connected with many connecting rods, the upper end of connecting rod is rotated and is connected with the ejector pin, the through-hole that the upper end of many ejector pins was all seted up through the lower mould surface stretches into in the lower mould and the same roof of fixedly connected with, the right-hand member of push-and-pull rod stretches out the outer just fixedly connected with triangle extrusion piece of recess, the outer wall fixedly connected with. The utility model discloses can realize the quick automatic demoulding to the injection molding, convenient to operate and use.

Description

Automatic automobile plastic part injection mold of drawing of patterns

Technical Field

The utility model relates to an injection mold technical field especially relates to an automatic car plastic part injection mold of drawing of patterns.

Background

The injection mold is a tool for producing plastic products and also a tool for endowing the plastic products with complete structures and accurate dimensions, and the injection molding is a processing method used for batch production of parts with complex shapes, in particular to a method for injecting heated and melted plastic into a mold cavity at high pressure by an injection molding machine and obtaining a formed product after cooling and solidification.

At present, after the injection molding of the automobile plastic part, the demolding stage is carried out, the injection molded automobile plastic part is usually adhered to a cavity, a worker hardly takes the automobile plastic part down, one end of the injection molded part needs to be pried up by a prying bar to be taken out, and the injection molded part is inconvenient to use.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving among the prior art and carrying out injection moulding back to automobile plastic spare, entering into the drawing of patterns stage, the automobile plastic spare that moulds plastics is pasted on the die cavity usually, and the staff is difficult to take off automobile plastic spare, need use the pinch bar to pry the one end of injection molding and take out, uses comparatively inconvenient problem, and the automobile plastic spare injection mold of an automatic drawing of patterns that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an automatic demoulding injection mould for automobile plastic parts comprises an upper mould and a lower mould, wherein a groove is formed in the side wall of the lower mould, a push-pull rod is connected to the inner wall of the groove close to the bottom in a sliding manner, the same reset spring is fixedly connected between the left end of the push-pull rod and the bottom of the groove, a plurality of connecting rods are uniformly and rotatably connected to the upper side rod wall of the push-pull rod, an ejector rod is rotatably connected to the upper end of each connecting rod, the upper ends of the ejector rods extend into the lower mould through holes formed in the surface of the lower mould and are fixedly connected with the same top plate, the right end of the push-pull rod extends out of the groove and is fixedly connected with a triangular extrusion block, a U-shaped fixing plate covering the triangular extrusion block is fixedly connected to the outer wall of the lower mould, the same reciprocating lead screw is rotatably connected between the, an output shaft at the lower end of the driving motor penetrates through the side wall of the U-shaped fixing plate and is fixedly connected with the upper end of the reciprocating lead screw, a moving block is in threaded connection with the rod wall of the reciprocating lead screw, and one end of the moving block is fixedly connected with a squeezing wheel corresponding to the triangular squeezing block in position.

Preferably, the front and back opposite sides of the push-pull rod are fixedly connected with a plurality of limiting sliding blocks, and the inner wall of the groove is provided with a limiting sliding groove in matched connection with the limiting sliding blocks.

Preferably, the top plate is connected with the inner wall of the lower die in a high-precision matching mode.

Preferably, the same guide rod is fixedly connected between the inner walls of the upper and lower opposite sides of the U-shaped fixing plate, and the side wall of the moving block is provided with a guide hole movably sleeved outside the guide rod.

Preferably, the driving motor is electrically connected with an external power supply through a control switch.

Compared with the prior art, the utility model provides an automatic car plastic part injection mold of drawing of patterns possesses following beneficial effect:

1. this automatic automobile plastic part injection mold of drawing of patterns, through the driving motor who is equipped with, start driving motor when moulding plastics, driving motor drives reciprocal lead screw and rotates, the threaded connection effect of utilizing reciprocal lead screw and movable block makes the movable block drive the continuous reciprocating of extrusion wheel, and then continuous extrusion triangle extrusion piece of making a round trip, when extruding triangle extrusion piece, utilize triangle extrusion piece inclined plane atress to promote the push-pull rod to remove in the recess, and then promote the connecting rod with the ejector pin jack-up upwards and then promote the roof outside the ejecting lower mould of injection molding, can realize the quick automatic drawing of patterns to the injection molding, convenient to operate and use.

2. This automatic automobile plastic part injection mold of drawing of patterns through the reset spring that is equipped with, when the extrusion wheel breaks away from the extrusion promotion to triangle extrusion piece gradually, reset spring can in time promote the push-and-pull rod and reset and remove for the quick return of push-and-pull rod is convenient for mould plastics and is used.

And the part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses can realize the quick automatic drawing of patterns to the injection molding, the operation of being convenient for is used.

Drawings

FIG. 1 is a schematic structural view of an automatic demolding injection mold for automobile plastic parts, according to the present invention;

fig. 2 is the utility model provides an automatic automobile plastic spare injection mold A part's of drawing of patterns structural schematic diagram.

In the figure: the device comprises an upper die 1, a lower die 2, a groove 3, a push-pull rod 4, a return spring 5, a connecting rod 6, a mandril 7, a top plate 8, a triangular extrusion block 9, a U-shaped fixing plate 10, a reciprocating screw rod 11, a driving motor 12, a moving block 13 and an extrusion wheel 14.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-2, an automatic demolding injection mold for automobile plastic parts comprises an upper mold 1 and a lower mold 2, a groove 3 is formed in the side wall of the lower mold 2, a push-pull rod 4 is slidably connected to the inner wall of the groove 3 close to the bottom, the same reset spring 5 is fixedly connected between the left end of the push-pull rod 4 and the bottom of the groove 3, a plurality of connecting rods 6 are uniformly and rotatably connected to the upper side rod wall of the push-pull rod 4, ejector rods 7 are rotatably connected to the upper ends of the connecting rods 6, the upper ends of the ejector rods 7 all extend into the lower mold 2 through holes formed in the surface of the lower mold 2 and are fixedly connected with the same top plate 8, a triangular extrusion block 9 is fixedly connected to the right end of the push-pull rod 4 extending out of the groove 3, a U-shaped fixing plate 10 covering the triangular extrusion block 9 is fixedly connected to the outer wall of, the upper end of the U-shaped fixing plate 10 is fixedly connected with a driving motor 12, an output shaft at the lower end of the driving motor 12 penetrates through the side wall of the U-shaped fixing plate 10 and is fixedly connected with the upper end of a reciprocating screw rod 11, a rod wall of the reciprocating screw rod 11 is in threaded connection with a moving block 13, and one end of the moving block 13 is fixedly connected with a squeezing wheel 14 corresponding to the triangular squeezing block 9.

The front and back of the push-pull rod 4 are mutually and fixedly connected with a plurality of limiting slide blocks on two sides, the inner wall of the groove 3 is provided with a limiting slide groove in matched connection with the limiting slide blocks, and the push-pull rod 4 can be effectively limited and can be smoothly slid.

High-precision fit is connected between roof 8 and the 2 inner walls of lower mould, avoids the liquid of moulding plastics to reserve the problem that influences the injection molding quality.

The same guide rod is fixedly connected between the inner walls of the upper and lower opposite sides of the U-shaped fixing plate 10, and the side wall of the moving block 13 is provided with a guide hole which is movably sleeved outside the guide rod.

The driving motor 12 is electrically connected with an external power supply through a control switch.

In the utility model, when in use, the driving motor 12 is started when the injection molding is carried out through the driving motor 12, the driving motor 12 drives the reciprocating screw rod 11 to rotate, the movable block 13 drives the extrusion wheel 14 to continuously move up and down by utilizing the threaded connection effect of the reciprocating screw rod 11 and the movable block 13, and then continuously extrudes the triangular extrusion block 9 back and forth, when the triangular extrusion block 9 is extruded, the push-pull rod 4 is pushed to move into the groove 3 by utilizing the inclined plane stress of the triangular extrusion block 9, and then the connecting rod is pushed to jack up the ejector rod 7 upwards and further push the top plate 8 to push the injection molding out of the lower mold 2, so that the rapid automatic demolding of the injection molding can be realized, the operation and the use are convenient, through the reset spring 5, when the extrusion wheel 14 gradually breaks away from the extrusion pushing of the triangular extrusion block 9, the reset spring 5 can timely push the push-pull, is convenient for injection molding.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. An automatic demoulding injection mold for automobile plastic parts comprises an upper mold (1) and a lower mold (2), and is characterized in that a groove (3) is formed in the side wall of the lower mold (2), a push-pull rod (4) is connected to the inner wall, close to the bottom, of the groove (3) in a sliding manner, a same reset spring (5) is fixedly connected between the left end of the push-pull rod (4) and the bottom of the groove (3), a plurality of connecting rods (6) are uniformly and rotatably connected to the upper side rod wall of the push-pull rod (4), ejector rods (7) are rotatably connected to the upper ends of the connecting rods (6), the upper ends of the ejector rods (7) extend into the lower mold (2) through holes formed in the surface of the lower mold (2) and are fixedly connected with a same top plate (8), the right end of the push-pull rod (4) extends out of the, the outer wall fixedly connected with cover of lower mould (2) establishes U-shaped fixed plate (10) outside triangle extrusion piece (9), rotate through ball bearing between the relative one side inner wall from top to bottom of U-shaped fixed plate (10) and be connected with same root reciprocating screw rod (11), the upper end fixedly connected with driving motor (12) of U-shaped fixed plate (10), the output shaft of driving motor (12) lower extreme run through the lateral wall of U-shaped fixed plate (10) and with reciprocating screw rod (11) upper end fixed connection, the pole wall threaded connection of reciprocating screw rod (11) has movable block (13), the one end fixedly connected with of movable block (13) extrudees wheel (14) that the piece (9) position corresponds with the triangle.

2. The injection mold for the plastic parts of the automobile with the automatic demolding function as claimed in claim 1, wherein a plurality of limiting sliding blocks are fixedly connected to the front and back opposite sides of the push-pull rod (4), and limiting sliding grooves matched and connected with the limiting sliding blocks are formed in the inner wall of the groove (3).

3. The injection mold for the plastic parts of the automobile with the automatic demolding function as claimed in claim 1, wherein the top plate (8) is connected with the inner wall of the lower mold (2) in a high-precision fit manner.

4. The injection mold for plastic parts of automobiles with automatic demolding according to claim 1, wherein a same guide rod is fixedly connected between the inner walls of the opposite sides of the upper and lower U-shaped fixing plates (10), and the side wall of the moving block (13) is provided with a guide hole movably sleeved outside the guide rod.

5. The injection mold for plastic parts of automobiles with automatic demolding according to claim 1, wherein the driving motor (12) is electrically connected with an external power supply through a control switch.