CN210336756U

CN210336756U - Secondary ejection demoulding mechanism for mould

Info

Publication number: CN210336756U
Application number: CN201921043919.3U
Authority: CN
Inventors: 张小华
Original assignee: Hangzhou Kaimei Mold Co ltd
Current assignee: Hangzhou Kaimei Mold Co ltd
Priority date: 2019-07-05
Filing date: 2019-07-05
Publication date: 2020-04-17
Anticipated expiration: 2029-07-05

Abstract

The utility model discloses a secondary ejection demoulding mechanism for mould, which comprises a base, four corners of upper surface of base all are connected with the bracing piece perpendicularly, the upper end fixedly connected with die holder of bracing piece, and the surface level of bracing piece cup joints slidable mounting and has the slide, the upper surface intermediate position department of slide is provided with first ejector pin perpendicularly, the perpendicular symmetry of upper surface intermediate position department of base is provided with two risers. The utility model relates to a mould drawing of patterns technical field, this a secondary ejection demoulding mechanism for mould, the front surface through the riser runs through to rotate installs the pivot, and the other end embedding of pivot is rotated and is installed in the front surface of another riser, and the surface intermediate position department of pivot cup joints and is provided with the cam, and the device can carry out the ejecting work of secondary to the mould, makes breaking away from in the follow die holder that the mould can be better, has not only improved work efficiency, but also has reduced artificial intensity of labour.

Description

Secondary ejection demoulding mechanism for mould

Technical Field

The utility model relates to a mould drawing of patterns technical field specifically is a secondary ejection demoulding mechanism for mould.

Background

The mould is used for obtaining various moulds and tools of required products by methods of injection molding, blow molding, extrusion, die casting or forging forming, smelting, stamping and the like, in short, the mould is used for manufacturing a formed article and comprises various parts, different moulds comprise different parts, the processing of the appearance of the article is realized mainly by changing the physical state of a formed material, and after the production of the mould is finished, the mould needs to be ejected, so that the mould is conveniently demoulded from a mould base.

However, when a machining die is produced at present, because the formed die is firmly adhered to the inner surface of the die holder, when the formed die is ejected out, the die may still be in the die or the die cannot automatically fall off, manual demoulding is needed, so that the demoulding time of the die is increased, and the machining efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a secondary ejection demoulding mechanism for mould has solved because the inside surface bonding of fashioned mould and die holder is more firm, when carrying out ejecting during operation to fashioned mould, the mould may still be in the mould, perhaps the mould can't drop automatically, just needs the manual demoulding, and this demoulding time that has just increased the mould leads to the problem that machining efficiency is low.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a secondary ejection demoulding mechanism for a mould comprises a base, wherein four corners of the upper surface of the base are vertically connected with supporting rods, the upper ends of the supporting rods are fixedly connected with a mould base, the outer surface of each supporting rod is horizontally sleeved and slidably provided with a sliding plate, the middle position of the upper surface of the sliding plate is vertically provided with a first ejector rod, the middle position of the upper surface of the base is vertically and symmetrically provided with two vertical plates, the positions of the upper surface of the base, which are close to two sides of the vertical plates, are respectively and fixedly provided with an air cylinder, the upper end of the air cylinder is fixedly connected with a second ejector rod, the upper end of the second ejector rod is penetrated and slidably arranged on the lower surface of the sliding plate, the front surfaces of the vertical plates are penetrated and rotatably provided with a rotating shaft, the other end of the rotating shaft, the equal symmetry in both sides of die holder is provided with two stoppers, the lower surface embedding of stopper is rotated and is installed servo motor, servo motor's one end is connected with the lead screw perpendicularly, the upper end of lead screw is connected with the lower surface rotation of another stopper, and the surface of lead screw cup joints and is provided with the slider, one side of slider is connected with L shape support perpendicularly.

Preferably, the outer surface of the upper end of the supporting rod is sleeved with a spring, the upper end of the spring is fixedly connected with the lower surface of the die holder, and the lower end of the spring is fixedly connected with the upper surface of the sliding plate.

Preferably, the upper ends of the first ejector rod and the second ejector rod are fixedly connected with ejector blocks, the upper surfaces of the ejector blocks are embedded into the lower surface of the die holder in a sliding mode, and the lower surface of the die holder is provided with through grooves matched with the ejector blocks.

Preferably, one end of the rotating shaft is fixedly connected with a driven gear, a rotating motor is embedded and rotatably mounted at a position, close to the lower position of the rotating shaft, of the rear surface of the vertical plate, one end of the rotating motor is fixedly connected with a main gear, and the main gear and the driven gear are in engagement.

Preferably, the inside of stopper is provided with lead screw assorted internal thread, the surface of lead screw scribbles the anti-rust paint.

Preferably, an electric push rod is embedded into one side of the upper end of the L-shaped support and slidably mounted, and a clamping block is fixedly connected to one end of the electric push rod.

Advantageous effects

The utility model provides a secondary ejection demoulding mechanism for mould, compare with prior art and possess following beneficial effect:

(1) this a secondary ejection demoulding mechanism for mould, upper end fixedly connected with second ejector pin through the cylinder, slidable mounting is run through in the lower surface of slide in the upper end of second ejector pin, the front surface of riser runs through to rotate and installs the pivot, the other end embedding of pivot is rotated and is installed in the front surface of another riser, and the surface intermediate position department of pivot cup joints and is provided with the cam, after the mould shaping, the device can carry out secondary ejection work to the mould, make the mould break away from in the die holder that can be better, and the work efficiency is not only improved, and artificial intensity of labour has still been reduced.

(2) This a secondary ejection demoulding mechanism for mould, one end through servo motor is connected with the lead screw perpendicularly, the upper end of lead screw is connected with the lower surface rotation of another stopper, and the surface of lead screw cup joints and is provided with the slider, one side of slider is connected with L shape support perpendicularly, there is electric putter in the upper end one side embedding slidable mounting of L shape support, when the mould is ejecting, make the clamp splice live with the mould centre gripping through electric putter, then drive the rotation of lead screw through servo motor, thereby make L shape support rebound on the slider, can break away from out completely from the mould from the die holder, the device structural design is simple, therefore, the clothes hanger is strong in practicability.

Drawings

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

FIG. 2 is an enlarged view of a portion of the structure A of FIG. 1 according to the present invention;

fig. 3 is a partial enlarged view of the structure B in fig. 1 according to the present invention.

In the figure: the device comprises a base 1, a supporting rod 2, a spring 21, a die holder 3, a sliding plate 4, a first ejector rod 5, an ejector block 51, a vertical plate 6, a rotating motor 61, a main gear 62, a cylinder 7, a second ejector rod 8, a rotating shaft 9, a driven gear 91, a cam 10, a limiting block 11, a servo motor 12, a lead screw 13, a sliding block 14, a 15L-shaped support, an electric push rod 151 and a clamping block 152.

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.

Referring to fig. 1-3, the present invention provides a technical solution: a secondary ejection demoulding mechanism for a mould comprises a base 1, four corners of the upper surface of the base 1 are vertically connected with supporting rods 2, the upper end of each supporting rod 2 is fixedly connected with a mould base 3, the outer surface of each supporting rod 2 is horizontally sleeved and slidably provided with a sliding plate 4, a first ejector rod 5 is vertically arranged at the middle position of the upper surface of each sliding plate 4, two vertical plates 6 are vertically and symmetrically arranged at the middle position of the upper surface of the base 1, air cylinders 7 are fixedly arranged at positions, close to two sides of each vertical plate 6, of the upper surface of the base 1, the types of the air cylinders 7 are SC100-25, the upper ends of the air cylinders 7 are fixedly connected with second ejector rods 8, ejector blocks 51 are fixedly connected at the upper ends of the first ejector rods 5 and the second ejector rods 8, the upper surfaces of the ejector blocks 51 are embedded and slidably arranged on the lower surface of the mould base, the ejecting block 51 can increase the contact area of the ejection, thereby avoiding the die from being ejected, the upper end of the second ejector rod 8 is penetrated and slidably mounted on the lower surface of the sliding plate 4, the front surface of the vertical plate 6 is penetrated and rotatably mounted with a rotating shaft 9, the other end of the rotating shaft 9 is embedded and rotatably mounted on the front surface of another vertical plate 6, the middle position of the outer surface of the rotating shaft 9 is sleeved with a cam 10, the outer surface of the upper end of the supporting rod 2 is sleeved with a spring 21, the upper end of the spring 21 is fixedly connected with the lower surface of the die holder 3, the lower end of the spring 21 is fixedly connected with the upper surface of the sliding plate 4, when the cam 10 leaves the sliding plate 4, the original position of the sliding plate 4 can be recovered under the elasticity of the spring 21, one end of the rotating shaft 9 is fixedly connected with a driven gear 91, the lower position of the rear surface of the vertical plate, the master gear 62 is engaged with the slave gear 91, the rotary motor 61 with the model number of 60KTYZ drives the master gear 62 to rotate, because the master gear 62 is engaged with the slave gear 91, the master gear 62 can drive the slave gear 91 to rotate when rotating, two limit blocks 11 are symmetrically arranged on both sides of the die holder 3, a servo motor 12 is rotatably installed on the lower surfaces of the limit blocks 11 in an embedded manner, one end of the servo motor 12 is vertically connected with a lead screw 13, the upper end of the lead screw 13 is rotatably connected with the lower surface of the other limit block 11, a slide block 14 is sleeved on the outer surface of the lead screw 13, an L-shaped support 15 is vertically connected with one side of the slide block 14, an internal thread matched with the lead screw 13 is arranged inside the limit block 11, the outer surface of the lead screw 13 is coated with antirust paint, when the servo motor 12 with the model number of MHMD082P1U rotates, the lead screw 13 is driven by the, therefore, when the screw rod 13 rotates, the slide block 14 can move up and down on the screw rod 13, an electric push rod 151 is embedded and slidably mounted on one side of the upper end of the L-shaped support 15, a clamping block 152 is fixedly connected to one end of the electric push rod 151, and the electric push rod 151 can drive the clamping block 152 to move so as to clamp two sides of the ejected mold.

When in use, firstly, the mould is injected into the mould base 3 for forming, firstly, the rotating motor 61 drives the master gear 62 to rotate, because the master gear 62 is engaged with the slave gear 91, the master gear 62 can drive the slave gear 91 to rotate, the slave gear 91 can drive the rotating shaft 9 to rotate, the rotating shaft 9 can drive the cam 10 to rotate, when the cam 10 rotates upwards, the cam 10 can extrude the sliding plate 4 upwards, the sliding plate 4 moves upwards, so that the first ejector rod 5 on the sliding plate 4 drives the ejector block 51 to perform the first ejection work on the mould, then the cam 10 rotates downwards, under the elasticity of the spring 21, the spring 21 enables the sliding plate 4 to restore the original position, then the cylinder 7 drives the second ejector rod 8 to move upwards, the second ejector rod 8 enables the ejector block 51 to perform the second ejection work on the mould, when the ejector block 51 on the second ejector rod 8 ejects the mould, the electric push rod 151 drives the clamping block 152 to move, the two clamping blocks 152 clamp two side surfaces of the mold, then the servo motor 12 drives the screw rod 13 to rotate, and the screw rod 13 rotates because the internal thread matched with the screw rod 13 is arranged in the slide block 14, so that the slide block 14 can move up and down on the screw rod 13 when the slide block 13 rotates, and the slide block 14 drives the L-shaped support 15 to move up and down when moving, so that the servo motor 12 drives the L-shaped support 15 to move up, and the mold is completely separated from the mold base 3 by the clamping blocks 152.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 two-shot ejection demoulding mechanism for mould, includes base (1), its characterized in that: the four corners of the upper surface of the base (1) are vertically connected with supporting rods (2), the upper end of each supporting rod (2) is fixedly connected with a die holder (3), the outer surface of each supporting rod (2) is horizontally sleeved and slidably provided with a sliding plate (4), the middle position of the upper surface of each sliding plate (4) is vertically provided with a first ejector rod (5), the middle position of the upper surface of the base (1) is vertically and symmetrically provided with two vertical plates (6), the positions of the upper surface of the base (1), which are close to the two sides of each vertical plate (6), are respectively and fixedly provided with an air cylinder (7), the upper end of each air cylinder (7) is fixedly connected with a second ejector rod (8), the upper end of each second ejector rod (8) penetrates through and is slidably arranged on the lower surface of each sliding plate (4), the front surface of each vertical plate (6) penetrates and is rotatably provided with a rotating shaft (9), and the, and the surface intermediate position department of pivot (9) cup joints and is provided with cam (10), the equal symmetry in both sides of die holder (3) is provided with two stopper (11), the lower surface embedding of stopper (11) is rotated and is installed servo motor (12), the one end of servo motor (12) is connected with lead screw (13) perpendicularly, the upper end of lead screw (13) is connected with the lower surface rotation of another stopper (11), and the surface of lead screw (13) cup joints and is provided with slider (14), one side of slider (14) is connected with L shape support (15) perpendicularly.

2. A double ejection and ejection mechanism for a mold according to claim 1, characterized in that: the outer surface of the upper end of the supporting rod (2) is provided with a spring (21) in a sleeved mode, the upper end of the spring (21) is fixedly connected with the lower surface of the die holder (3), and the lower end of the spring (21) is fixedly connected with the upper surface of the sliding plate (4).

3. A double ejection and ejection mechanism for a mold according to claim 1, characterized in that: the upper ends of the first ejector rod (5) and the second ejector rod (8) are fixedly connected with ejector blocks (51), the upper surfaces of the ejector blocks (51) are embedded into the lower surface of the die holder (3) in a sliding mode, and through grooves matched with the ejector blocks (51) are formed in the lower surface of the die holder (3).

4. A double ejection and ejection mechanism for a mold according to claim 1, characterized in that: one end of the rotating shaft (9) is fixedly connected with a driven gear (91), a rotating motor (61) is embedded and rotatably mounted at the position, close to the lower part of the rotating shaft (9), of the rear surface of the vertical plate (6), a main gear (62) is fixedly connected with one end of the rotating motor (61), and the main gear (62) is meshed with the driven gear (91).

5. A double ejection and ejection mechanism for a mold according to claim 1, characterized in that: the inside of stopper (11) is provided with the internal thread with lead screw (13) assorted, the surface of lead screw (13) scribbles the anti rust paint.

6. A double ejection and ejection mechanism for a mold according to claim 1, characterized in that: one side of the upper end of the L-shaped support (15) is embedded with an electric push rod (151) in a sliding mode, and one end of the electric push rod (151) is fixedly connected with a clamping block (152).