CN207808296U - Dustbin rides the injection mould of device assembly with the long-life - Google Patents

Abstract

The utility model belongs to injection mold technology more particularly to a kind of dustbin rides the injection mould of device assembly with the long-life.The utility model, including mounting plate solid plate and moving platen, there is injection hole on mounting plate, forming cavity includes the stampede body forming cavity for stampede body injection molding and the spreading mechanism forming cavity for spreading mechanism injection molding, stampede body forming cavity includes the drive link forming cavity of several cuboids or cylinder, one end of drive link forming cavity is connected to pedal forming cavity, the other end is connected to cylindrical rotation axis forming cavity, spreading mechanism forming cavity includes the strut forming cavity of several cuboids or cylinder, it is semiorbicular turning set forming cavity that one end of strut forming cavity, which is communicated with cross section, molding rotation axis is rotatably assorted with molding turning set in turning set forming cavity in rotation axis forming cavity.The pedal unit of the utility model institute injection molding, service life is long, and simple in structure, and parts are less, is easy to dismount.

Description

Dustbin rides the injection mould of device assembly with the long-life

Technical field

The utility model belongs to injection mold technology more particularly to a kind of dustbin rides device assembly with the long-life Injection mould.

Background technology

Dustbin has a wide range of applications in daily life, and the dustbin due to being opened bung using hand-lift type is not enough defended It is raw, therefore a large amount of dustbins are all to open bung by pedal unit, but pedal unit common configuration in the prior art is complicated, zero The especially smaller parts of component are more, are not easy to preserve and dismount.

For example, Chinese utility model patent discloses a kind of dustbin foot trampling structure [application number：200920193607.0], The utility model patent includes ladle body, bung and pedestal, and ladle body is located on pedestal, and bung is articulated on ladle body；The pedestal Foot pedal apparatus is equipped between bung；The foot pedal apparatus includes foot pedal, pedal frame and mandril, and the pedal frame is iron The iron wire pedal frame of line brake forming, iron wire pedal frame include front, middle part and rear portion, and the middle part of the iron wire pedal frame is with certainly It is articulated on pedestal as drive-connecting shaft, the foot pedal is located on the front of iron wire pedal frame, one end and the iron wire foot of mandril The rear portion for stepping on frame is connected, and the other end is flexibly connected with bung.

The dustbin foot trampling structure intensity that the utility model provides is high, but has more smaller parts, preserves and tears open Dress is cumbersome, and application range is restricted.

Utility model content

The purpose of this utility model is in view of the above-mentioned problems, providing the injection molding that a kind of dustbin rides device assembly with the long-life Mould.

In order to achieve the above objectives, the utility model uses following technical proposal：

A kind of dustbin rides the injection mould of device assembly with the long-life, includes mounting plate, solid plate and moving platen, peace successively There is injection hole, the solid plate to be equipped with the first forming face that device assembly side surface is ridden in molding, the dynamic model in loading board Plate is equipped with the second forming face that device assembly other side surface is ridden in molding, the first forming face and the composition forming of the second forming face Chamber, the forming cavity include for the stampede body forming cavity of stampede body injection molding and for spreading mechanism injection molding Spreading mechanism forming cavity, the stampede body forming cavity include the drive link forming cavity of several cuboids or cylinder, are passed One end of lever forming cavity is connected to pedal forming cavity, and the other end is connected to cylindrical rotation axis forming cavity, described to strut Mechanism formation chamber includes the strut forming cavity of several cuboids or cylinder, and one end of strut forming cavity is communicated with cross section For semiorbicular turning set forming cavity, molding rotation axis and molding turning set in turning set forming cavity in rotation axis forming cavity It is rotatably assorted.

In the injection mould that above-mentioned dustbin rides device assembly with the long-life, the turning set forming cavity cross section it is interior Diameter is more than the outer diameter of rotation axis forming cavity cross section, and the width of the pedal forming cavity is from one end far from drive link forming cavity It is tapered into close at one end of drive link forming cavity.

In the injection mould that above-mentioned dustbin rides device assembly with the long-life, the drive link forming cavity, pedal at The material-saving core for protruding from forming cavity bottom surface is all had in shape chamber and strut forming cavity, the material-saving core is shaped with drive link Shell forming gap is all had between chamber, pedal forming cavity and the side wall of strut forming cavity.

In the injection mould that above-mentioned dustbin rides device assembly with the long-life, the material-saving core show to have it is several to The reinforcing rib forming pockets of lower recess, the reinforcing rib forming pockets are interconnected with shell forming gap, and reinforcing rib shapes The interlaced connection of groove constitutes latticed.

In the injection mould that above-mentioned dustbin rides device assembly with the long-life, further includes several and be arranged in material-saving core The antiskid groove on surface shapes core, the upper surface flush of the upper surface and pedal forming cavity of the antiskid groove forming core Or protrude from the upper surface of pedal forming cavity.

In the injection mould that above-mentioned dustbin rides device assembly with the long-life, further include be symmetricly set on stampede body at Fulcrum forming cavity is trampled in shape chamber both sides, and the side wall for trampling fulcrum forming cavity continuous line of shafting forming cavity is shaped with drive link Chamber is connected to.

In the injection mould that above-mentioned dustbin rides device assembly with the long-life, the upper surface of the pedal forming cavity with Angle formed by the upper surface of drive link forming cavity is obtuse angle.

In the injection mould that above-mentioned dustbin rides device assembly with the long-life, the spreading mechanism forming cavity is close to rotation One end of set forming cavity is also connected to ejection the first forming cavity of limiting plate, ejection the second forming cavity of limiting plate and ejection limiting plate first The one end of forming cavity far from spreading mechanism forming cavity is connected to by limiting stand forming cavity, the first forming cavity of ejection limiting plate bottom Height of the height of face in the vertical direction higher than ejection the second forming cavity of limiting plate bottom surface in the vertical direction, limiting stand forming Bottom of chamber face is smooth bevel, and both ends connect with limiting plate the first forming cavity bottom surface and ejection the second forming cavity of limiting plate bottom surface respectively It connects.

Further include the note that one end is connected to injection hole in the injection mould that above-mentioned dustbin rides device assembly with the long-life Sprue is moulded, the other end for being molded sprue is connected to by several injection molding branch flow passages with forming cavity.

Further include several knock-pins, the top in the injection mould that above-mentioned dustbin rides device assembly with the long-life One end of rod extends into moving platen until the second forming face.

Compared with prior art, the utility model has the advantage of：

1, the pedal unit using the utility model injection molding is simple in structure, easy to use, and parts are less, is easy to It preserves and dismounts.

2, it is entirely free of any metal parts using the pedal unit of the utility model injection molding, metal can be prevented It gets rusty damage under parts environment more moist inside the dustbin and the function of pedal unit entirety is caused to be lost, therefore can extend The service life of product.

3, there are material-saving core and reinforcing rib forming pockets on the utility model, therefore production can be reinforced while material saving The intensity of product itself extends the service life of product.

Description of the drawings

Fig. 1 is the birds-eye perspective of the utility model；

Fig. 2 is the left view perspective view of the utility model；

Fig. 3 is the structural schematic diagram of moving platen；

In figure：Mounting plate 1, solid plate 2, moving platen 3, forming cavity 4, injection molding sprue 5, injection molding branch flow passage 6, knock-pin 7, First forming face 21, stampede body forming cavity 41, spreading mechanism forming cavity 42, drive link forming cavity 43, is stepped on second forming face 31 It is pedal forming cavity 44, rotation axis forming cavity 45, material-saving core 46, shell forming gap 47, reinforcing rib forming pockets 48, anti-skidding recessed Slot forming core 49 tramples fulcrum forming cavity 4a, strut forming cavity 4b, turning set forming cavity 4c, the ejection forming of limiting plate first Chamber 4d, ejection the second forming cavity of limiting plate 4e, limiting stand forming cavity 4f.

Specific implementation mode

The utility model is described in more detail with reference to the accompanying drawings and detailed description.

In conjunction with shown in Fig. 1 and Fig. 2, a kind of dustbin rides the injection mould of device assembly with the long-life, includes mounting plate successively 1, there is on mounting plate 1 injection hole 11, the solid plate 2 to be equipped with molding and ride device assembly side for solid plate 2 and moving platen 3 First forming face 21 on surface, the moving platen 3 are equipped with the second forming face 31 that device assembly other side surface is ridden in molding, the One forming face 21 and the second forming face 31 form forming cavity 4, it is characterised in that：The forming cavity 4 includes being noted for stampede body Mould molding stampede body forming cavity 41 and the spreading mechanism forming cavity 42 for spreading mechanism injection molding, the stampede body Forming cavity 41 include several cuboids or cylinder drive link forming cavity 43, one end of drive link forming cavity 43 with trample Plate forming cavity 44 is connected to, and the other end is connected to cylindrical rotation axis forming cavity 45, if the spreading mechanism forming cavity 42 includes It is semiorbicular turn that one end of the strut forming cavity 4b of dry cuboid or cylinder, strut forming cavity 4b, which are communicated with cross section, Dynamic to cover forming cavity 4c, molding rotation axis is matched with molding turning set rotation in turning set forming cavity 4c in rotation axis forming cavity 45 It closes.

The utility model, in use, moving platen 3 is molded with solid plate 2, to the first forming face 21 and the second forming face 31 Be combined as forming cavity 4, the plastic cement of molten condition from injection molding machine by 11 injection molding chamber 4 of injection hole, after cooled and solidified, phase Intercommunicated drive link forming cavity 43, pedal forming cavity 44 and rotation axis forming cavity 45 makes the drive link of stampede body, steps on Pedal and rotation axis integrated molding, interconnected strut forming cavity 4b and turning set forming cavity 4c make the strut of spreading mechanism It being integrally formed with turning set, when riding device assembly assembling, the rotation axis of stampede body is located in the turning set of spreading mechanism, and The two is rotatably assorted with open-top bung, therefore utilizes the pedal unit of the utility model injection molding simple in structure, easy to use, and Parts are less, are easy to preserve and dismount.

Mounting plate 1, solid plate 2 and moving platen 3 are set gradually, and injection hole 11 is opened on mounting plate 1, solid plate 2 and dynamic Template is respectively provided with the first forming face 21 and the second forming face 31 on 3 corresponding face, is respectively used to foot-operated device assembly both sides table The molding in face, forming cavity 4 are composed of the first forming face 21 and the second forming face 31, and forming cavity 4 includes being used for stampede body The stampede body forming cavity 41 of injection molding and spreading mechanism forming cavity 42 for spreading mechanism injection molding, wherein stepping machine Structure forming cavity 41 includes drive link forming cavity 43, pedal forming cavity 44 and the rotation axis forming cavity 45 being interconnected, and struts machine Structure forming cavity 42 includes the strut forming cavity 4b being interconnected and turning set forming cavity 4c, in use, moving platen 3 and solid plate 2 Molding, to which the first forming face 21 and the second forming face 31 are combined as forming cavity 4, the plastic cement of molten condition passes through from injection molding machine In 11 injection molding chamber 4 of injection hole, after cooled and solidified, interconnected drive link forming cavity 43, pedal forming cavity 44 and turn Moving axis forming cavity 45 makes the drive link, pedal and rotation axis of stampede body be integrally formed, interconnected strut forming cavity 4b and turning set forming cavity 4c makes the strut of spreading mechanism and turning set be integrally formed, when riding device assembly assembling, stepping machine The rotation axis of structure is located in the turning set of spreading mechanism, and the two is rotatably assorted with open-top bung, therefore utilizes the utility model The pedal unit of injection molding is simple in structure, easy to use, and parts are less, is easy to preserve and dismount.

Preferably, angle formed by upper surface of the upper surface of the pedal forming cavity 44 with drive link forming cavity 43 is Obtuse angle, foot pedal tramples space to pedal unit molding in this way with larger when in use, is convenient for the ejection of bung.

Preferably, the internal diameter of the cross sections turning set forming cavity 4c is more than the outer diameter of 45 cross section of rotation axis forming cavity, The width of the pedal forming cavity 44 is from one end far from drive link forming cavity 43 to close at the one of drive link forming cavity 43 End tapers into, and the internal diameter of turning set can facilitate more than the outer diameter of rotation axis installs into or remove turning set by rotation axis, steps on Area is trampled when one end wider width of the pedal far from drive link can then increase use, is convenient for stepping on while increasing forced area It steps on.

In conjunction with shown in Fig. 1 and Fig. 3, all had in drive link forming cavity 43, pedal forming cavity 44 and strut forming cavity 4b Protrude from the material-saving core 46 of forming cavity bottom surface, the material-saving core 46 and drive link forming cavity 43, pedal forming cavity 44 and Shell forming gap 47 is all had between the side wall of strut forming cavity 4b, the material-saving core 46 shows to have several to lower recess Reinforcing rib forming pockets 48, the reinforcing rib forming pockets 48 and shell forming gap 47 are interconnected, and reinforcing rib shapes 48 interlaced connection of groove composition is latticed, further includes several antiskid groove formings being arranged on 46 surface of material-saving core Core 49, the upper surface of the antiskid groove forming core 49 and the upper surface flush of pedal forming cavity 44 protrude from pedal The upper surface of forming cavity 44.

Material-saving core 46, material-saving type are all had in drive link forming cavity 43, pedal forming cavity 44 and strut forming cavity 4b Core 46 protrudes from forming cavity bottom surface, and its upper surface is less than the upper surface of forming cavity, when can greatly reduce product injection molding in this way Required material reduces production cost, material-saving core 46 and drive link forming cavity 43, pedal forming cavity 44 and strut forming cavity Shell forming gap 47 is all had between the side wall of 4b, to the shell of shaped article, 46 surface of material-saving core has to recessed Sunken reinforcing rib forming pockets 48, the reinforcing rib forming pockets 48 are interconnected with shell forming gap 47, can be molded in this way Go out with the integrally formed reinforcing rib of shell, and reinforcing rib be interconnected to constitute it is latticed so that molding product can be with less Raw material intensity higher product is made, can also make product that there is longer service life while reducing production cost, trample There is antiskid groove to shape core 49 on 46 surface of material-saving core in plate forming cavity 44, and antiskid groove shapes the upper surface of core 49 With the upper surface flush of pedal forming cavity 44 or the upper surface of pedal forming cavity 44 is protruded from, so that molding foot pedal table Face has several antiskid grooves, increases frictional force when trampling.

As shown in Figure 1, further include be symmetricly set on 41 both sides of stampede body forming cavity trample fulcrum forming cavity 4a, it is described The side wall for trampling fulcrum forming cavity 4a continuouss line of shafting forming cavity 43 is connected to drive link forming cavity 43, tramples fulcrum forming cavity 4a Fulcrum is trampled in injection molding, is trampled component and is rotatablely connected by trampling fulcrum and garbage bin base, and when use steps on pedal can Make stampede body that can make to trample fulcrum and stampede body integrated molding, be further reduced around fulcrum rotation, the utility model is trampled The quantity of small parts, while compared with the prior art by the way of being punched in the drive link side of stampede body, it will not The integral strength for destroying product, improves the service life of product.

As shown in figure 3, the spreading mechanism forming cavity 42 is also connected to ejection limit close to one end of turning set forming cavity 4c Plate the first forming cavity 4d, ejection limiting plate the second forming cavity 4e and ejection limiting plate the first forming cavity 4d are shaped far from spreading mechanism One end of chamber 42 is connected to by limiting stand forming cavity 4f, and ejection limiting plate the first forming cavity 4d bottom surfaces are in the vertical direction Height of the height higher than the bottom surfaces ejection limiting plate the second forming cavity 4e in the vertical direction, the bottom surfaces limiting stand forming cavity 4f are smooth Inclined-plane, and both ends are connect with the limiting plate bottom surfaces the first forming cavity 4d and the bottom surfaces ejection limiting plate the second forming cavity 4e respectively.

Spreading mechanism forming cavity 42 close to one end of turning set forming cavity 4c also be sequentially communicated ejection limiting plate first at Shape chamber 4d, limiting stand forming cavity 4f and ejection limiting plate the second forming cavity 4e, due to ejecting the bottom of the first forming cavity of limiting plate 4d Bottom surface of the face higher than ejection the second forming cavity of limiting plate 4e, therefore after being molded, ejecting tool on limiting plate, there are one the limits being recessed inwardly One end of position groove, limiting groove connects strut outer wall, and the other end is the limiting stand with inclined surface, is arranged in dustbin Gag lever post can realize that the ejection to bung limits by coordinating with the limiting slot.

As shown in Figure 1, further including the injection molding sprue 5 that one end is connected to injection hole 11, the other end of injection molding sprue 5 is logical It crosses several injection molding branch flow passages 6 to be connected to forming cavity 4, the plastic cement of melting passes through injection molding sprue 5 and note by injection hole 11 Branch flow passage 6 is moulded, finally flows into and is cooled and shaped in forming cavity 4.

As shown in Fig. 2, further including several knock-pins 7, one end of the knock-pin 7 extends into moving platen 3 until second Forming face 31, after cooling and shaping, knock-pin 7 is opposite with moving platen 3 to be slided, and the knockout course of product is completed.

The operation principle of the utility model is：In use, moving platen 3 is molded with solid plate 2, to 21 He of the first forming face Second forming face 31 is combined as forming cavity 4, and when injection molding, the plastic cement of molten condition is flowed from injection molding machine by injection hole 11 again Through injection molding sprue 5 and injection molding branch flow passage 6, finally flows into and be cooled and shaped in forming cavity 4, interconnected drive link forming cavity 43, it pedal forming cavity 44, rotation axis forming cavity 45 and tramples fulcrum forming cavity 4a and makes the drive link of stampede body, tramples Plate, rotation axis and fulcrum integrated molding is trampled, antiskid groove forming core 49 makes foot-operated plate surface have antiskid groove, mutually interconnects Logical strut forming cavity 4b and turning set forming cavity 4c makes the strut of spreading mechanism and turning set be integrally formed, coagulation forming Afterwards, knock-pin 7 is opposite with moving platen 3 slides, and completes the knockout course of product, when riding device assembly assembling, stampede body turns Moving axis is located in the turning set of spreading mechanism, and the two is rotatably assorted with open-top bung, therefore is molded into using the utility model The pedal unit of type is simple in structure, easy to use, and parts are less, is easy to preserve and dismount.

The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.

Although mounting plate 1, solid plate 2, moving platen 3, forming cavity 4, injection molding sprue 5, injection molding is used more herein Branch flow passage 6, knock-pin 7, the first forming face 21, the second forming face 31, stampede body forming cavity 41, spreading mechanism forming cavity 42, Drive link forming cavity 43, pedal forming cavity 44, rotation axis forming cavity 45, material-saving core 46, shell forming gap 47, reinforcing rib Forming pockets 48, trample fulcrum forming cavity 4a, strut forming cavity 4b, turning set forming cavity 4c, top at antiskid groove forming core 49 Go out the terms such as the first forming cavity of limiting plate 4d, ejection the second forming cavity of limiting plate 4e, limiting stand forming cavity 4f, but is not precluded and makes With the possibility of other terms.The use of these terms is merely for the convenience of describing and explaining the nature of the invention； It is contrary to the spirit of the present invention to interpret them as any one of the additional limitations.

Claims (10)

1. Include mounting plate (1), solid plate (2) and dynamic model successively 1. a kind of dustbin rides the injection mould of device assembly with the long-life Plate (3), has injection hole (11) on mounting plate (1), and the solid plate (2) is equipped with that device assembly side surface is ridden in molding One forming face (21), second forming face (31) of the moving platen (3) equipped with the foot-operated device assembly other side surface of molding, first Forming face (21) and the second forming face (31) composition forming cavity (4), it is characterised in that：The forming cavity (4) includes for trampling The stampede body forming cavity (41) of mechanism injection molding and spreading mechanism forming cavity (42) for spreading mechanism injection molding, institute State the drive link forming cavity (43) that stampede body forming cavity (41) includes several cuboids or cylinder, drive link forming cavity (43) one end is connected to pedal forming cavity (44), and the other end is connected to cylindrical rotation axis forming cavity (45), the support Opening mechanism forming cavity (42) include several cuboids or cylinder strut forming cavity (4b), the one of strut forming cavity (4b) It is semiorbicular turning set forming cavity (4c) that end, which is communicated with cross section, molding rotation axis and rotation in rotation axis forming cavity (45) Molding turning set is rotatably assorted in set forming cavity (4c).
2. 2. dustbin as described in claim 1 rides the injection mould of device assembly with the long-life, it is characterised in that：The turning set The internal diameter of the cross section forming cavity (4c) is more than the outer diameter of rotation axis forming cavity (45) cross section, the pedal forming cavity (44) Width is tapered into from one end far from drive link forming cavity (43) to close at one end of drive link forming cavity (43).
3. 3. dustbin as described in claim 1 rides the injection mould of device assembly with the long-life, it is characterised in that：The drive link The material-saving core for protruding from forming cavity bottom surface is all had in forming cavity (43), pedal forming cavity (44) and strut forming cavity (4b) (46), the side of the material-saving core (46) and drive link forming cavity (43), pedal forming cavity (44) and strut forming cavity (4b) Shell forming gap (47) is all had between wall.
4. 4. dustbin as claimed in claim 3 rides the injection mould of device assembly with the long-life, it is characterised in that：The material-saving type Core (46) shows there is several reinforcing rib forming pockets (48) to lower recess, the reinforcing rib forming pockets (48) and shell at Shape gap (47) is interconnected, and the interlaced connection composition of reinforcing rib forming pockets (48) is latticed.
5. 5. dustbin as claimed in claim 3 rides the injection mould of device assembly with the long-life, it is characterised in that：Further include several The antiskid groove forming core (49) on material-saving core (46) surface, the upper table of the antiskid groove forming core (49) is arranged in item The upper surface flush of face and pedal forming cavity (44) or the upper surface for protruding from pedal forming cavity (44).
6. 6. dustbin as described in claim 1 rides the injection mould of device assembly with the long-life, it is characterised in that：Further include symmetrical It is arranged and tramples fulcrum forming cavity (4a) in stampede body forming cavity (41) both sides, the fulcrum forming cavity (4a) of trampling penetrates through biography The side wall of lever forming cavity (43) is connected to drive link forming cavity (43).
7. 7. dustbin as described in claim 1 rides the injection mould of device assembly with the long-life, it is characterised in that：The pedal The upper surface of forming cavity (44) is obtuse angle with angle formed by the upper surface of drive link forming cavity (43).
8. 8. dustbin as described in claim 1 rides the injection mould of device assembly with the long-life, it is characterised in that：It is described to strut machine Structure forming cavity (42) is also connected to ejection the first forming cavity of limiting plate (4d), ejection limit close to one end of turning set forming cavity (4c) The second forming cavity of plate (4e) passes through limit with the one end of ejection the first forming cavity of limiting plate (4d) far from spreading mechanism forming cavity (42) Position platform forming cavity (4f) is connected to, and the height of described ejection bottom surface the first forming cavity of limiting plate (4d) in the vertical direction is higher than ejection The height of the bottom surface the second forming cavity of limiting plate (4e) in the vertical direction, the bottom surface limiting stand forming cavity (4f) they are smooth bevel, and Both ends are connect with the first forming cavity of limiting plate bottom surface (4d) and ejection bottom surface the second forming cavity of limiting plate (4e) respectively.
9. 9. dustbin as described in claim 1 rides the injection mould of device assembly with the long-life, it is characterised in that：It further include one end The other end of the injection molding sprue (5) being connected to injection hole (11), injection molding sprue (5) passes through several injection molding branch flow passages (6) It is connected to forming cavity (4).
10. 10. dustbin as described in claim 1 rides the injection mould of device assembly with the long-life, it is characterised in that：If further including One end of dry root knock-pin (7), the knock-pin (7) extends into moving platen (3) until the second forming face (31).