CN210436523U

CN210436523U - Precise plastic mold

Info

Publication number: CN210436523U
Application number: CN201921259393.2U
Authority: CN
Inventors: 俞伟津; 杨伟峰
Original assignee: Fuzhou Core Precision Mould Co Ltd
Current assignee: Fuzhou Core Precision Mould Co Ltd
Priority date: 2019-08-06
Filing date: 2019-08-06
Publication date: 2020-05-01
Anticipated expiration: 2029-08-06

Abstract

The utility model discloses an accurate plastic mould, the structure of which comprises a supporting plate, a cylinder, an upper template, a lower template, a material guide plate, an ejection mechanism, a plastic groove and a side plate, the plastic mould is vertically arranged, the material guide plate is arranged outside the lower template, the ejection mechanism is arranged at the bottom end of the lower template, the ejection mechanism is driven by the motor as power, after the plastic is shaped by the shaping groove in the lower template, the ejection plate in a first swing mechanism and a second swing mechanism is respectively driven to swing by controlling the motor of the ejection mechanism through an incomplete gear mechanism, as the ejection plate is arc-shaped and is controlled to swing and eject, an object after shaping is ejected to the material guide plate, the material is ejected by inclining the material guide plate, the aim of conveniently guiding out the object after shaping is achieved, and the object is prevented from falling and causing damage, i.e. the beneficial effect of reducing the rate of damage to the article.

Description

Precise plastic mold

Technical Field

The utility model relates to a plastic mould technical field, concretely relates to accurate plastic utensil.

Background

The plastic mould is a combined mould for compression moulding, extrusion moulding, injection, blow moulding and low foaming moulding, can process a series of plastic parts with different shapes and sizes by the coordinated change of a mould convex mould, a mould concave mould and an auxiliary forming system, and the plastic mould in the prior art adopts a push-out mechanism to push out the injection moulded object, so that the injection moulded object falls off, the object falls off and is easy to damage, and the plastic finished object is inconvenient to lead out.

Disclosure of Invention

Technical problem to be solved

In order to overcome prior art not enough, present a precision plastic mould, it adopts ejecting mechanism to release the article of accomplishing of moulding plastics to have solved prior art plastic mould, makes the article of accomplishing of moulding plastics drop, and the article drops and causes the damage easily, is not convenient for accomplish the problem that the article was derived with the plastic, has reached and has conveniently derived the article after the moulding is accomplished, avoids it to drop and causes the damage, has reduced the beneficial effect of article spoilage promptly.

(II) technical scheme

The utility model discloses a following technical scheme realizes: the utility model provides an accurate plastic mould, including backup pad, cylinder, cope match-plate pattern, lower bolster, stock guide, ejection mechanism, plastic groove and curb plate, a cylinder is installed at the middle part of backup pad top, the piston rod of cylinder bottom runs through the backup pad and goes on fixed connection with the cope match-plate pattern, the cope match-plate pattern vertical direction bottom is provided with the lower bolster, a plastic groove has been seted up at the lower bolster top, the left side top edge of lower bolster is fixed through bolt and stock guide interlocking mutually, the curb plate is provided with two, and fixes respectively in the front and back both sides of stock guide, the plastic tank bottom end is provided with ejection mechanism, ejection mechanism comprises motor, incomplete gear mechanism, first pivot axis, first bevel gear, second pivot axis, first swing mechanism, second swing mechanism and back shaft, the motor is installed in incomplete gear mechanism right side, the left side of the first rotating shaft is inserted into the circle center of the first bevel gear, the left side of the first bevel gear is meshed with the second bevel gear, the circle center of the second bevel gear is inserted with a second rotating shaft, the front end and the rear end of the second rotating shaft are respectively connected with the first swing mechanism and the second swing mechanism in a rotating mode, the supporting shaft penetrates through the first swing mechanism and the second swing mechanism, the front end and the rear end of the supporting shaft are fixed on the inner wall of the lower template, and the incomplete gear mechanism is installed on the right side wall of the lower template.

Furthermore, the incomplete gear mechanism is composed of a box body, an incomplete gear and a gear, an output shaft at the left end of the motor penetrates through the box body and is inserted into the circle center of the incomplete gear, the front end of the incomplete gear is meshed with the gear, the right end of the first rotating shaft penetrates through the box body and is inserted into the circle center of the gear, and the box body is mutually locked and fixed with the right side of the lower template through a bolt.

Further, first swing mechanism and second swing mechanism structure are the same, and are the symmetry setting around, first swing mechanism comprises polished rod, liftout plate, first connecting rod, second connecting rod and sleeve pipe, the back shaft runs through polished rod and first connecting rod, and polished rod and first connecting rod carry out concentric rotation along the back shaft, the polished rod right-hand member is fixed with the liftout plate, the second axis of rotation runs through first connecting rod right-hand member and inserts to second connecting rod one end, and the second connecting rod other end carries out concentric rotation through pivot and sleeve pipe, the sleeve pipe cup joints in the polished rod outside, and the sleeve pipe slides along the polished rod, the liftout plate is ejecting to stretch out through the through-hole of moulding the groove bottom end.

Further, the material guide plate is inclined downwards at an angle of forty-five degrees from right to left.

Furthermore, the ejector plate is arc-shaped, the circle center of the ejector plate is matched with the position of the supporting shaft, and the through hole at the bottom end of the plastic groove is consistent with the shape of the ejector plate.

Furthermore, the surface of the polish rod is smooth, and the inner wall of the sleeve is attached to the polish rod.

Further, the length of the second connecting rod is smaller than that of the first connecting rod.

Further, the outer diameter of the incomplete gear is twice of the outer diameter of the gear, and the clamping teeth on the outer side of the incomplete gear are respectively 180 degrees in angle.

Further, the motor is a BL60 series motor.

Furthermore, the first bevel gear and the second bevel gear are both made of gear steel.

(III) advantageous effects

Compared with the prior art, the utility model, following beneficial effect has:

in order to solve the problems that the prior plastic mold adopts a push-out mechanism to push out the injection-molded object, so that the injection-molded object falls, the object is easy to damage and the plastic-molded object is inconvenient to be led out, the plastic mold is vertically arranged, a guide plate is arranged outside a lower template, an ejection mechanism is arranged at the bottom end of the lower template, the ejection mechanism is driven by using a motor as power, after the plastic is molded through a molding groove in the lower template, the ejection plates in a first swing mechanism and a second swing mechanism are respectively driven to swing by controlling the motor of the ejection mechanism through an incomplete gear mechanism, the ejection plates are arc-shaped and are controlled to swing and eject, the molded object is ejected onto the guide plate, the material is led out through the inclination of the guide plate, and the purpose of conveniently leading out the molded object is achieved, the damage caused by falling of the device is avoided, and the beneficial effect of reducing the damage rate of the object is achieved.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

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

FIG. 2 is a schematic structural view of the lower template of the present invention;

FIG. 3 is a top view of the internal structure of the lower template of the present invention;

FIG. 4 is a left side view of the internal structure of the incomplete gear mechanism of the present invention;

fig. 5 is a schematic structural diagram of the first swing mechanism of the present invention.

In the figure: the device comprises a supporting plate-1, a cylinder-2, an upper template-3, a lower template-4, a material guide plate-5, an ejection mechanism-6, a shaping groove-7, a side plate-8 motor-61, an incomplete gear mechanism-62, a first rotating shaft-63, a first bevel gear-64, a second bevel gear-65, a second rotating shaft-66, a first swinging mechanism-67, a second swinging mechanism-68, a supporting shaft-69, a box body-621, an incomplete gear-622, a gear-623, a polish rod-671, an ejection plate-672, a first connecting rod-673, a second connecting rod-674 and a sleeve-675.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, the present invention provides a precision plastic mold: the device comprises a supporting plate 1, a cylinder 2, an upper template 3, a lower template 4, a material guide plate 5, an ejection mechanism 6, a shaping groove 7 and a side plate 8, wherein the cylinder 2 is arranged in the middle of the top end of the supporting plate 1, a piston rod at the bottom end of the cylinder 2 penetrates through the supporting plate 1 to be fixedly connected with the upper template 3, the lower template 4 is arranged at the bottom of the upper template 3 in the vertical direction, a shaping groove 7 is formed in the top end of the lower template 4, the edge of the top end of the left side of the lower template 4 is mutually locked and fixed with the material guide plate 5 through bolts, two side plates 8 are arranged and are respectively fixed on the front side and the rear side of the shaping material guide plate 5, the ejection mechanism 6 is arranged at the bottom end of the shaping groove 7, the ejection mechanism 6 comprises a motor 61, an incomplete gear mechanism 62, a first rotating shaft 63, a first bevel gear 64, a, the right end of the first rotating shaft 63 penetrates through the lower template 4 and extends into the incomplete gear mechanism 62, the left side of the first rotating shaft 63 is inserted into the circle center of the first bevel gear 64, the left side of the first bevel gear 64 is meshed with the second bevel gear 65, the circle center of the second bevel gear 65 is inserted with the second rotating shaft 66, the front end and the rear end of the second rotating shaft 66 are respectively connected with the first swing mechanism 67 and the second swing mechanism 68 in a rotating mode, the supporting shaft 69 penetrates through the first swing mechanism 67 and the second swing mechanism 68, the front end and the rear end of the supporting shaft 69 are both fixed on the inner wall of the lower template 4, and the incomplete gear mechanism 62 is installed on the right side wall of.

The incomplete gear mechanism 62 is composed of a box body 621, an incomplete gear 622 and a gear 623, an output shaft at the left end of the motor 61 penetrates through the box body 621 and is inserted into the circle center of the incomplete gear 622, the front end of the incomplete gear 622 is meshed with the gear 623, the right end of the first rotating shaft 63 penetrates through the box body 621 and is inserted into the circle center of the gear 623, and the box body 621 is locked and fixed with the right side of the lower template 4 through bolts.

The first swing mechanism 67 and the second swing mechanism 68 have the same structure and are symmetrically arranged in a front-back direction, the first swing mechanism 67 is composed of a polish rod 671, an ejector plate 672, a first connecting rod 673, a second connecting rod 674 and a sleeve 675, the support shaft 69 penetrates through the polish rod 671 and the first connecting rod 673, the polish rod 671 and the first connecting rod 673 concentrically rotate along the support shaft 69, the right end of the polish rod 671 is fixed with the ejector plate 672, the second rotating shaft 66 penetrates through the right end of the first connecting rod 673 and is inserted into one end of the second connecting rod 674, the other end of the second connecting rod 674 concentrically rotates with the sleeve 675 through a rotating shaft, the sleeve 675 is sleeved outside the polish rod 671, the sleeve 675 slides along the polish rod 671, and the ejector plate 672 is ejected out to extend through a through hole at the bottom end of the plastic groove 7.

The material guide plate 5 is inclined at a forty-five degree angle from right to left, so that the molded material can slide downwards and be guided out by the inclined material guide plate 5.

Wherein, liftout plate 672 is the arc form, and the liftout plate 672 centre of a circle accords with back shaft 69 position, and the through-hole of moulding 7 bottoms in groove is unanimous with liftout plate 672 shape, is favorable to making liftout plate 672 rotate along centre of a circle department, and then makes liftout plate 672 remove along the through-hole of moulding 7 bottoms in groove.

The surface of the polish rod 671 is smooth, and the inner wall of the sleeve 675 is attached to the polish rod 671, so that the sleeve 675 can slide along the surface of the polish rod 671.

The length of the second connecting rod 674 is smaller than that of the first connecting rod 673, so that the sleeve 675 can slide along the polish rod 671 with enough length, and the problem that the left end of the sleeve 675 is clamped due to the fact that the length of the first connecting rod 673 is too long, and the second connecting rod 674 cannot rotate is avoided.

Wherein, incomplete gear 622 external diameter is the twice of gear 623 external diameter, and the latch in incomplete gear 622 outside angle respectively is 180 degrees, is favorable to making incomplete gear 622 rotate a week after, drives the rotatory a week of gear 623, increases the fault-tolerant rate of the rotation of motor 61 through incomplete gear 622 vacancy department, guarantees the rotation accuracy of gear 622, and then guarantees the removal precision of liftout plate 672.

The motor 61 is a BL60 series motor, so that the working noise is low, the service life is long, and the motor is not easy to damage.

The first bevel gear 64 and the second bevel gear 65 are both made of gear steel.

Learn according to the upper table the utility model discloses first bevel gear 64 and second bevel gear 65's material all adopts the gear steel, has the hardness height, and is not fragile, and the advantage of difficult wearing and tearing.

The first bevel gear 64 and the second bevel gear 65 described in this patent are used to transmit the motion and power between two intersecting axes, in general machinery, the angle of intersection between the two axes of the bevel gear is equal to 90 °, similar to a cylindrical gear, the bevel gear has a reference cone, an addendum cone, a dedendum cone and a base cone, the cone has a large end and a small end, and the circles corresponding to the large end are called reference circle, addendum circle, dedendum circle and base circle, respectively.

The working principle is as follows: before use, the die is firstly installed, the supporting plate 1 is fixed on plastic equipment, a gas port at the top end of the cylinder 2 is connected with external gas supply equipment, the lower template 4 is fixed on external shaping equipment at the vertical position of the upper template 3, the motor 61 is connected with external control equipment, when the die is used, the plastic raw materials in the shaping groove 7 are shaped by injecting materials into the shaping groove 7 of the lower template 4 and injecting gas into the cylinder 2 through the external gas supply equipment, a piston rod at the bottom end of the cylinder 2 is pressed down to press the upper template 3, the upper template 3 is pressed down to press the plastic raw materials in the shaping groove 7 and shape the plastic raw materials, after shaping is completed, the upper template 3 is controlled to move upwards, power is supplied through the external equipment and a control instruction is sent, the motor 61 is controlled to generate power to drive the center of the incomplete gear 622 to rotate for a circle through an output shaft, and the outer diameter of the incomplete gear, and the angles of the latches on the outer side of the incomplete gear 622 are respectively 180 degrees, so that after the incomplete gear 622 rotates for a circle, the gear 623 is driven to rotate for a circle, the fault tolerance rate of the rotation of the motor 61 is increased through the vacancy of the incomplete gear 622, the rotation precision of the gear 622 is ensured, the gear 622 rotates for a circle, the gear 622 drives the circle center of the first bevel gear 64 to rotate through the first rotating shaft 63, the first bevel gear 64 drives the second bevel gear 65 to rotate and form the conversion of the rotation angle, the second bevel gear 65 drives the first swing mechanism 67 and the second connecting rod 674 in the second swing mechanism 68 to rotate through the second rotating shaft 66 at the circle center, the second connecting rod 674 drives the sleeve to revolve around the second rotating shaft 66, and the sleeve 675 slides along the polish rod 671 when the sleeve 675 rotates, and further drives the polish rod 671 to swing around the center of the support shaft 69, and the polish rod 671 is driven to swing to drive the, because the liftout plate 672 is the arc form, and the liftout plate 672 centre of a circle and back shaft 69 position accord, make the liftout plate 672 rotate along centre of a circle department, the upper end ejecting left with the article after moulding, make the article drop at stock guide 5, derive the material through stock guide 5 slope, and because second connecting rod 674 is rotatory a week, make the liftout plate 672 recover to 7 bottoms in plastic groove, accomplish the production of plastic article.

The basic principle and the main characteristics of the utility model and the advantages of the utility model have been shown and described above, and the utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the record of the description with the drawing, and the concrete connection mode of each part all adopts conventional means such as ripe bolt rivet among the prior art, welding, and machinery, part and equipment all adopt prior art, conventional model, and conventional connection mode in the prior art is adopted in addition to circuit connection, and the details are not repeated here.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A precise plastic mold comprises a supporting plate (1), an air cylinder (2), an upper template (3), a lower template (4) and a plastic groove (7), wherein the air cylinder (2) is installed in the middle of the top end of the supporting plate (1), a piston rod at the bottom end of the air cylinder (2) penetrates through the supporting plate (1) to be fixedly connected with the upper template (3), the lower template (4) is arranged at the bottom of the upper template (3) in the vertical direction, and the plastic groove (7) is formed in the top end of the lower template (4);

the method is characterized in that: the device is characterized by further comprising a material guide plate (5), two ejection mechanisms (6) and side plates (8), wherein the edge of the top end of the left side of the lower die plate (4) is mutually locked and fixed with the material guide plate (5) through bolts, the two side plates (8) are respectively fixed on the front side and the rear side of the material guide plate (5), the ejection mechanism (6) is arranged at the bottom end of the plastic groove (7), the ejection mechanism (6) is composed of a motor (61), an incomplete gear mechanism (62), a first rotating shaft (63), a first bevel gear (64), a second bevel gear (65), a second rotating shaft (66), a first swinging mechanism (67), a second swinging mechanism (68) and a supporting shaft (69), the motor (61) is installed on the right side of the incomplete gear mechanism (62), and the right end of the first rotating shaft (63) penetrates through the lower die plate (4) and extends into the incomplete gear mechanism, the left side of the first rotating shaft (63) is inserted into the circle center of the first bevel gear (64), the left side of the first bevel gear (64) is meshed with the second bevel gear (65), the circle center of the second bevel gear (65) is inserted with the second rotating shaft (66), the front end and the rear end of the second rotating shaft (66) are respectively connected with the first swing mechanism (67) and the second swing mechanism (68) in a rotating mode, the supporting shaft (69) penetrates through the first swing mechanism (67) and the second swing mechanism (68), the front end and the rear end of the supporting shaft (69) are fixed on the inner wall of the lower template (4), and the incomplete gear mechanism (62) is installed on the right side wall of the lower template (4).

2. The precision plastic mold of claim 1, wherein: incomplete gear mechanism (62) comprises box body (621), incomplete gear (622) and gear (623), the output shaft of motor (61) left end runs through box body (621) and inserts to incomplete gear (622) centre of a circle department, incomplete gear (622) front end and gear (623) intermeshing, first axis of rotation (63) right-hand member runs through box body (621) and inserts to gear (623) centre of a circle department, box body (621) are fixed through the mutual locking in bolt and lower bolster (4) right side.

3. The precision plastic mold of claim 1, wherein: the first swinging mechanism (67) and the second swinging mechanism (68) have the same structure and are symmetrically arranged in front and back, the first swing mechanism (67) consists of a polished rod (671), an ejector plate (672), a first connecting rod (673), a second connecting rod (674) and a sleeve (675), the supporting shaft (69) penetrates through the polish rod (671) and the first connecting rod (673), and the polish rod (671) and the first link (673) perform concentric rotation along the support shaft (69), the right end of the polish rod (671) is fixed with the ejector plate (672), the second rotating shaft (66) penetrates through the right end of the first connecting rod (673) and is inserted into one end of the second connecting rod (674), and the other end of the second connecting rod (674) concentrically rotates with a sleeve (675) through a rotating shaft, the sleeve (675) is sleeved outside the polish rod (671), and the sleeve (675) slides along the polish rod (671), and the ejector plate (672) is ejected out to extend out through the through hole at the bottom end of the plastic groove (7).

4. The precision plastic mold of claim 1, wherein: the material guide plate (5) is inclined downwards at an angle of forty-five degrees from right to left.

5. The precision plastic mold of claim 3, wherein: the ejecting plate (672) is arc-shaped, the circle center of the ejecting plate (672) is matched with the position of the supporting shaft (69), and the through hole at the bottom end of the plastic groove (7) is consistent with the shape of the ejecting plate (672).

6. The precision plastic mold of claim 3, wherein: the surface of the polish rod (671) is smooth, and the inner wall of the sleeve (675) is attached to the polish rod (671).

7. The precision plastic mold of claim 3, wherein: the second link (674) has a length less than the length of the first link (673).

8. The precision plastic mold of claim 2, wherein: the outer diameter of the incomplete gear (622) is twice of the outer diameter of the gear (623), and the clamping teeth on the outer side of the incomplete gear (622) are respectively 180 degrees in angle.