CN207747328U - A kind of umbrella handle injection mold of children umbrella - Google Patents

Abstract

The utility model discloses a kind of umbrella handle injection molds of children umbrella, it is related to mold design field, for solving the problems, such as umbrella handle low production efficiency, including cover half group and dynamic model group, cover half group includes the first cover half block, is fixed on the first cover half block the second cover half block, the solid plate being installed on the second cover half block, moulding chamber and upper runner are offered on solid plate, and offer injection hole on the first cover half block, the second cover half block and solid plate；Dynamic model group includes the supporting block of the first dynamic model block, the second dynamic model block, the first dynamic model block of connection and the second dynamic model block, is installed on moving platen on the second dynamic model block, the core being fixed on moving platen, lower flow channel is offered on moving platen, after cover half group and dynamic model combination die, core is embedded at moulding intracavitary, and is formed with forming cavity between core and moulding chamber；Plastics disposably can condense to form multiple umbrella handles after injection moulding intracavitary, simplify the procedure of processing of product, to achieve the purpose that improve production efficiency.

Description

A kind of umbrella handle injection mold of children umbrella

Technical field

The utility model is related to mold design field, more particularly to the umbrella handle injection mold of a kind of children umbrella.

Background technology

Children umbrella spray can paste cartoon pattern, or umbrella handle is fabricated to cartoon character to increase ornamental value on umbrella cover Shape, a kind of children umbrella umbrella handle as shown in Fig. 1, including umbrella handle first half 1 ', umbrella handle latter half 2 ', forward and backward two Grouping forms the overall shape of umbrella handle afterwards altogether, and the shape of this children umbrella umbrella handle is the head portrait of certain film personage, the film The head portrait shape of personage is complex, according to the difference of the used material of umbrella handle, may be used machining, cast processing and The modes such as injection molding.

Machining needs to cut complicated lines in workpiece surface, there is that processing is complicated, waste of material is big, production effect The low disadvantage of rate；Cast processing is generally used for the production of metal product, and metal requires heat to 1,000 degrees Celsius or more and melted Change, there are high processing costs, consume energy the shortcomings of big, speed of production is slow；And injection molding is generally used for small-sized, high-volume plastics production The production of product selects plastic material that can meet the intensity requirement of umbrella handle according to the service condition of umbrella handle, and injection molding plus Work method has many advantages, such as that easy to process, of low cost, stock utilization is high and yield is big, therefore is given birth to for children umbrella umbrella handle The needs of production are specifically designed out a kind of injection mold for producing this umbrella handle.

Utility model content

The purpose of this utility model is to provide a kind of umbrella handle injection mold of children umbrella, can be quick by way of injection molding The umbrella handle shape needed is formed, the molding time of umbrella handle is shortened, to achieve the purpose that improve production efficiency.

The above-mentioned technical purpose of the utility model technical scheme is that：A kind of umbrella handle of children umbrella Injection mold, including cover half group and dynamic model group, the cover half group includes the first cover half block, be fixed on the first cover half block second Solid plate in cover half block, the cover half slot being installed on the second cover half block offers the outer of shape and umbrella handle on the solid plate The identical moulding chamber of portion's shape and the upper runner for flowing into moulding intracavitary for the plastics of melting state, and first cover half Offered on block, the second cover half block and solid plate for for plastics into the injection hole in air stream enter runner；The dynamic model group includes the One dynamic model block, the second dynamic model block being fixed on the first dynamic model block, for connecting the first dynamic model block and the second dynamic model block Supporting block, the moving platen in the dynamic model slot being installed on the second dynamic model block, in the core slot that is fixed on the moving platen and Shape core identical with the interior shape of umbrella handle offers on the moving platen for forming flowing down for cooperation with upper runner Road, after the cover half group and dynamic model combination die, the core is embedded at the moulding intracavitary, and between the core and moulding chamber It is formed with forming cavity identical with the global shape of umbrella handle.

By using said program, in injection molding, it is necessary first to make cover half group and dynamic model combination die, then start injection molding The injection nozzle of machine, injection molding machine injects the plastics of melting state in the injection hole in cover half group, and plastics are after entering in injection hole It can flow into forming cavity along the upper runner on solid plate, after plastics cooled and solidified, can be formed shown in the present embodiment attached drawing 1 Umbrella handle, this umbrella handle is processed by the way of injection molding, can pass through be molded one-pass molding, it is only necessary to after formed product The condensate part being connected between multiple products is wiped out, then gets up the first half of product and latter half assembly that can form umbrella Handle, the mode of injection molding can save the complex process of turning, have it is easy to process, stock utilization is high, it is of low cost and The advantages that production efficiency is high, and once injection molding can form multiple products, therefore the production efficiency of umbrella handle can be greatly improved.

The utility model is further arranged to：It is formed by pusher intracavitary in the dynamic model group and positioned at the supporting block It is additionally provided with the pusher for jacking up umbrella handle from core, the pusher includes being opened in the second dynamic model block It is upper and be connected with dynamic model slot pole perforating hole, be opened on the core and be connected with the pole perforating hole shoving hole, pass through Reset assembly is slidably connected on the second dynamic model block and is formed by the scraping wings of pusher intracavitary positioned at support plate, is fixed on On the scraping wings and be arranged in the charging ram in pole perforating hole and shoving hole, be fixed on the scraping wings and positioned at scraping wings and Driving plate between first moving platen is opened on the first dynamic model block and for the piston rod of the driving cylinder for injection molding machine Push driving plate towards the drive hole close to the second dynamic block motion, end face of the charging ram far from scraping wings one end after passing through It is in rounding off between the forming surface of core.

By using said program, umbrella handle still has certain temperature in rigid injection molding on umbrella handle, by reset group After part is set in dynamic model group, charging ram is to be contacted with the generation of the inner surface of product, therefore impression can go out when pushing plastic On the inner surface of present product so that the global shape of product is not readily susceptible to destroy；Product after moulding, passes through first Injection molding machine separates cover half group and dynamic model group, and the pusher then started on injection molding machine drives cylinder, and pusher driving cylinder is made to push Driving plate is moved towards close to the side of the second dynamic model block, and scraping wings and charging ram direction are driven during driving plate moves It is moved close to the side of the second dynamic model block, so that charging ram is jacked up molding product, product is disengaged with core at this time, then Product is removed from moving platen by the manipulator of injection molding machine again, to achieve the purpose that automatic material taking.

The utility model is further arranged to：The reset assembly include the reset hole being opened on the second dynamic model block, It is fixed on the scraping wings and one end far from scraping wings is arranged in the release link in reset hole, the dynamic model slot is located at multiple In the spatial dimension that reset hole is surrounded, and when driving plate and the first dynamic model block are inconsistent, release link is far from scraping wings one end End face and the second dynamic model block close to the second cover half block side end face flush.

By using said program, during dynamic model group and cover half combination die, when the second cover half block and release link produce After raw contact, side movement of the release link towards embedded reset hole can be pushed, release link is made to move to the end with the second dynamic model block The position of face flush can drive scraping wings and driving plate towards close to the first dynamic model during release link retraction reset hole The side of block moves, and until driving plate and the first dynamic model block mutually contradict, charging ram can be driven during scraping wings moves In retraction shoving hole, to achieve the purpose that pusher is driven to reset.

The utility model is further arranged to：It is additionally provided between the dynamic model group and cover half group for limiting the type Core and moulding chamber generate the limit assembly of dislocation, and the limit assembly includes the mounting hole being opened on the second dynamic model block, opens up In the location hole on the second cover half block and for coordinating with mounting hole, the locating rod that is embedded in mounting hole, the positioning Bar passes through one end of mounting hole to be embedded in the location hole.

By using said program, since the shape after formed product needs to be determined jointly by moving platen, solid plate and core It is fixed, therefore little by little dislocation will cause the deviation of shape of product for generation between moving platen, solid plate and core, and limited in setting After hyte part, the cooperation of locating rod and location hole makes cover half group can only be along the length side of locating rod during die sinking and molding To being moved so that after moving platen and solid plate close up, forming cavity is not easy to be deformed, therefore plastics are into forming cavity Umbrella handle as shown in Fig. 1 can be formed after interior, to achieve the purpose that improve formed precision.

The utility model is further arranged to：The limit assembly further include integrated setting on the moving platen and Positioned at core both sides locating piece, be opened on the solid plate and for the locating slot that is embedded in for locating piece, the dynamic model group When with cover half combination die, the locating piece is bonded completely with the inner wall of the locating slot.

By using said program, it is installed in the dynamic model slot on the second dynamic model block due to moving platen, solid plate is installed on In cover half slot on second cover half block, there may be gaps between dynamic model slot and moving platen or cover half slot and solid plate, therefore dynamic There may be dislocation after moulding intracavitary of the core on embedded solid plate in template so that product has thickness after moulding Uneven situation is spent, and after setting locating piece and locating slot, the presence of locating piece and locating slot can make moving platen and cover half The molding of plate is more accurate, makes core after the moulding intracavitary of insertion, and the distance of edge to the moulding cavity wall of core is equal everywhere, To achieve the purpose that further increase formed precision.

The utility model is further arranged to：Draft, the locating slot are provided on the side wall of the locating piece Inner wall on be also equipped with draft for making the side wall of locating piece be bonded with the inner wall of locating slot.

By using said program, the draft on locating piece makes sectional area of the locating piece far from moving platen one end be less than Locating piece close to moving platen one end sectional area, and the draft in locating slot make positioning channel opening sectional area be more than positioning The sectional area of trench bottom so that there are when slight misalignment between moving platen and solid plate, locating piece can be also embedded in locating slot, And during locating piece is gradually embedded locating slot, when the generation of the inner wall of locating piece and locating slot contacts, this draft Taper can gradually repair the dislocation between moving platen and solid plate, to achieve the purpose that further to improve formed precision.

The utility model is further arranged to：It is opened up on the second cover half block and positioned at the edge of cover half slot useful First die cavity is unloaded by solid plate takes out in facilitating.

It is fixed after solid plate is in embedded cover half slot since the machining accuracy of mold is usually very high by using said program Gap between template and the side wall of cover half slot is very small, therefore is easy to form negative pressure in cover half slot, and it is fixed that solid plate is adsorbed on In die cavity so that solid plate dismounting when be difficult removed from the second cover half block, and opened up first unload die cavity after, first unloads Die cavity can make cover half slot with outside be connected to so that operating personnel when dismantling solid plate air can via first unload die cavity into Enter in cover half slot, reduces the underbalance effect of cover half slot, to achieve the purpose that solid plate easy to disassemble.

The utility model is further arranged to：It is opened up on the second dynamic model block and positioned at the edge of dynamic model slot useful Second die cavity is unloaded by moving platen takes out in facilitating.

By using said program, the effect that die cavity is unloaded with first is similar, second unload die cavity can when dismantling moving platen, Facilitate air to unload die cavity via second to enter in dynamic model slot, reduces the underbalance effect of dynamic model slot, to reach dynamic model easy to disassemble The purpose of plate.

In conclusion the utility model has the advantages that：

1. it is identical as the shape of required umbrella handle to be formed by forming cavity between cover half group and dynamic model group so that plastics are injecting Injection hole, and disposably can condense to form multiple umbrella handles after via runner entering in forming cavity, simplify the processing step of product Suddenly, to achieve the purpose that improve production efficiency；

2. pusher can be after umbrella handle injection molding, after cover half group and the die sinking of dynamic model group, automatically by product from type It pushes away and falls on core, the manipulator of injection molding machine is enable to remove product, to achieve the purpose that automatic blanking；

3. limit assembly can limit cover half group and dynamic model group and generate dislocation during die sinking and molding so that cover half It is formed by forming cavity between group and dynamic model group to be not easy to be deformed, to make product that can there is higher after moulding Precision.

Description of the drawings

Fig. 1 is the structural schematic diagram of the produced product of the present embodiment；

Fig. 2 is the overall structure figure of the present embodiment；

Fig. 3 is the structural schematic diagram of this implementation cover half group；

Fig. 4 is the structural schematic diagram of the present embodiment dynamic model group；

Fig. 5 is the cross section view of the present embodiment.

In figure：1 ', umbrella handle first half；2 ', umbrella handle latter half；3 ', condensate；1, cover half group；11, the first cover half block； 12, the second cover half block；121, cover half slot；122, first die cavity is unloaded；13, solid plate；131, moulding chamber；132, upper runner；2, it notes Mould mouth；3, dynamic model group；31, the first dynamic model block；32, the second dynamic model block；321, dynamic model slot；322, second die cavity is unloaded；33, it supports Block；331, pusher chamber；34, moving platen；341, core slot；342, lower flow channel；35, core；351, forming surface；4, forming cavity；5, it limits Hyte part；51, mounting hole；52, location hole；53, locating rod；54, locating piece；55, locating slot；6, draft；7, pusher Structure；71, pole perforating hole；72, shoving hole；73, scraping wings；74, charging ram；75, driving plate；76, drive hole；8, reset assembly；81、 Reset hole；82, release link.

Specific implementation mode

The utility model is described in further detail below in conjunction with attached drawing.

As shown in Figures 2 and 3, the umbrella handle injection mold of a kind of children umbrella, including cover half group 1 and dynamic model group 3, cover half group 1 Including the first cover half block 11, the second cover half block 12, solid plate 13, the first cover half block 11 and the second cover half block 12 are in square plate shape, It is bolted between the two together；It is opened up on end face of the second cover half block 12 back to 11 side of the first cover half block useful In the cover half slot 121 being embedded in for solid plate 13, use is further opened on the second cover half block 12 and positioned at the edge of cover half slot 121 First die cavity 122 is unloaded by solid plate 13 takes out in facilitating.

Solid plate 13 is secured by bolts on the second cover half block 12, and in cover half slot 121, is opened on solid plate 13 Equipped with two rows of shapes moulding chamber 131 identical with the outer shape of umbrella handle shown in attached drawing 1, two rows of moulding chambers 131 are right respectively The umbrella handle first half 1 ' and umbrella handle latter half 2 ' of umbrella handle shown in attached drawing 1, two parts is answered to collectively form the complete of umbrella handle Structure；The upstream for being flowed through for the plastics of thawing and the connection of all moulding chambers 131 being got up is further opened on solid plate 13 Road 132；It is further opened on the first cover half block 11, the second cover half block 12 and solid plate 13 for injecting plastics for injection molding machine Injection hole 2 in runner 132.

As shown in Figure 2 and Figure 4, dynamic model group 3 includes the first dynamic model block 31, the second dynamic model block 32, two supporting blocks 33, dynamic models Plate 34, core 35 are bolted on together between first dynamic model block 31, the second dynamic model block 32 and supporting block 33, and two Between the first dynamic model block 31 and the second dynamic model block 32, two supporting blocks 33 are mutually parallel supporting block 33, and two supporting blocks Pusher chamber 331 is formed between 33；Dynamic model slot 321 is offered on end face of the second dynamic model block 32 back to 33 side of supporting block, It on the second dynamic model block 32 and is further opened with second positioned at the edge of dynamic model slot 321 and unloads die cavity 322；Moving platen 34 passes through bolt It is fixed on the second dynamic model block 32, and in dynamic model slot 321；Two rows of positions and moulding chamber are further opened on moving platen 34 131 correspond to and by 34 perforative core slot 341 of moving platen, are further opened on moving platen 34 and coordinate for being formed with upper runner 132 Lower flow channel 342；Due on the second dynamic model block 32 and in core slot 341, core 35 is located at outside core slot 341 35 build-in of core Part is forming surface 351, and the shape of forming surface 351 is identical as the interior shape of umbrella handle shown in attached drawing 1；In 1 He of cover half group After dynamic model group 3 molds, solid plate 13 and moving platen 34 are bonded completely, and the forming surface 351 of core 35 is located at moulding chamber 131 at this time It is interior, and formed between the forming surface 351 and moulding chamber 131 of core 35 and to form the forming cavity 4 of product for making plastics solidify（See figure 5）.

As shown in Figure 3 and Figure 4, be provided between the second dynamic model block 32 and the second cover half block 12 for limit core 35 with Moulding chamber 131 generates the limit assembly 5 of dislocation, and limit assembly 5 includes mounting hole 51, locating rod 53, location hole 52, locating piece 54, locating slot 55, there are four the settings of mounting hole 51, is opened in four edges of the second dynamic model block 32, the section of mounting hole 51 In T-shaped, and mounting hole 51 is more than mounting hole 51 far from the second dynamic model block close to the diameter of 32 1 side opening of the second dynamic model block The diameter of 32 1 side openings；The longitudinal section of locating rod 53 is T-shaped in matching with mounting hole 51, and locating rod 53 is arranged in peace It fills in hole 51, and locating rod 53 is located at the end face conflict of one end in mounting hole 51 on the second dynamic model block 32；Location hole 52 opens up In on the second cover half block 12, and locating rod 53 passes through one end of mounting hole 51 to be embedded in location hole 52, to make 1 He of cover half group Dynamic model group 3 can limit dynamic model group 3 during molding and die sinking and generate offset.

There are two the settings of locating piece 54, and integrated setting is being positioned on moving platen 34, and positioned at the both sides of core slot 341 Draft 6 is provided on the side wall of block 54 so that sectional area of the locating piece 54 close to 34 one end of moving platen is more than locating piece 54 Sectional area far from 34 one end of moving platen；Locating slot 55 is opened on solid plate 13, and for being embedded in for locating piece 54, is being positioned The draft 6 to match with locating piece 54 is provided on the inner wall of slot 55 so that fixed after locating piece 54 is embedded in locating slot 55 Each side wall of position block 54 can be completely bonded with each inner wall of locating slot 55.

It is additionally provided in dynamic model group 3 for by molding product pusher 7 open-top from core 35, pusher 7 include pole perforating hole 71, shoving hole 72, scraping wings 73, charging ram 74, driving plate 75, drive hole 76, and pole perforating hole 71 is opened in second On dynamic model block 32, and it is connected with dynamic model slot 321；Shoving hole 72 is opened on core 35, and is connected with pole perforating hole 71；Pusher Plate 73 is slidably connected on the second dynamic model block 32 by reset assembly 8 and in pusher chamber 331；Charging ram 74 is arranged in pusher It is limited on plate 73 and by driving plate 75, to prevent charging ram 74 from falling off from charging ram 74, charging ram 74 is far from scraping wings 73 One end pass through after pole perforating hole 71 in embedded shoving hole 72, and the molding of charging ram 74 one end far from scraping wings 73 and core 35 It is in rounding off between face 351；Driving plate 75 is secured by bolts on scraping wings 73 and is located at scraping wings 73 and the first dynamic model Between block 31；Drive hole 76 is opened on the first dynamic model block 31, and is connected with pusher chamber 331.

Reset assembly 8 includes reset hole 81, release link 82, and there are four the settings of reset hole 81, is opened in the second dynamic model block 32 On, and moving platen 34 is located in the spatial dimension that four reset holes 81 are surrounded；Release link 82 is fixed on scraping wings 73, and multiple The position one end of bar 82 far from scraping wings 73 is embedded in reset hole 81, when driving plate 75 and inconsistent the first dynamic model block 31, is answered End face of the position bar 82 far from 73 one end of scraping wings is with the second dynamic model block 32 close to the end face flush of 12 side of the second cover half block.

In product injection molding, and after cover half group 1 and dynamic model group 3 separate, the piston rod of the pusher cylinder of injection molding machine passes through It is contradicted in driving plate 75 after drive hole 76, and driving plate 75 is pushed to be moved towards close to the side of the second dynamic model block 32, driven Movable plate 75 drives scraping wings 73 and charging ram 74 to be moved towards close to the side of the second dynamic model block 32 during moving, and makes pusher One end that bar 74 is embedded in shoving hole 72 is exposed to outside shoving hole 72, and molding product is jacked up from core 35, is then noted The manipulator of molding machine stretches between cover half group 1 and dynamic model group 3 and clamps product, drives product de- during manipulator bounces back From moving platen 34, to achieve the purpose that automatic material taking.

Specific implementation process：In injection molding, it is necessary first to so that cover half group 1 and dynamic model group 3 is molded, then starts injection molding machine, The injection nozzle of injection molding machine injects the plastics of melting state in the injection hole 2 in cover half group 1, and plastics are after entering in injection hole 2 It can be flowed into forming cavity 4 along the runner on solid plate 13, after plastics cooled and solidified, institute in the present embodiment attached drawing 1 can be formed The umbrella handle shown；After plastics cooled and solidified, cover half group 1 and dynamic model group 3 are separated, starts the pusher driving cylinder of injection molding machine, pushes away Material driving cylinder pushes driving plate 75 to be moved towards close to the side of the second dynamic model block 32, band during driving plate 75 moves Dynamic scraping wings 73 and charging ram 74 are moved towards close to the side of the second dynamic model block 32, and charging ram 74 is made to be embedded in shoving hole 72 One end be exposed to outside shoving hole 72, molding product is jacked up from core 35, the manipulator of subsequent injection molding machine stretches into cover half Product is clamped between group 1 and dynamic model group 3, drives product to be detached from moving platen 34 during manipulator bounces back, it then will be more 3 ' the part of condensate being connected between a product is cut off, and two parts product mix can be formed the complete of required umbrella handle together Shape, this injection mold can the multiple umbrella handles of single injection-molded, have it is easy to process, stock utilization is high, at low cost The advantages that honest and clean and production efficiency is high saves the complex process of machining, greatly shortens product and machines the required time, because This can achieve the purpose that improve production efficiency.

This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability Field technique personnel can as needed make the present embodiment the modification of not creative contribution after reading this specification, but As long as all being protected by Patent Law in the right of the utility model.

Claims (8)

1. a kind of umbrella handle injection mold of children umbrella, it is characterised in that：Including cover half group (1) and dynamic model group (3), the cover half group (1) include the first cover half block (11), the second cover half block (12) being fixed on the first cover half block (11), be installed on the second cover half block (12) solid plate (13) in cover half slot (121) on offers shape and the outer shape of umbrella handle on the solid plate (13) Identical moulding chamber (131) and for flowing into the upper runner (132) in moulding chamber (131) for the plastics of melting state, and it is described Offered on first cover half block (11), the second cover half block (12) and solid plate (13) for for plastics into the injection molding in air stream enter runner Mouth (2)；The dynamic model group (3) includes the first dynamic model block (31), the second dynamic model block being fixed on the first dynamic model block (31) (32), it is used to connect the supporting block (33) of the first dynamic model block (31) and the second dynamic model block (32), is installed on the second dynamic model block (32) moving platen (34) in dynamic model slot (321) on, in the core slot (341) being fixed on the moving platen (34) and shape with The identical core of interior shape (35) of umbrella handle offers on the moving platen (34) and coordinates for being formed with upper runner (132) Lower flow channel (342), the cover half group (1) and dynamic model group (3) molding after, the core (35) is embedded at the moulding chamber (131) in, and forming cavity (4) identical with the global shape of umbrella handle is formed between the core (35) and moulding chamber (131).

2. a kind of umbrella handle injection mold of children umbrella according to claim 1, it is characterised in that：On the dynamic model group (3) And it is formed by positioned at the supporting block (33) and to be additionally provided in pusher chamber (331) for jacking up umbrella handle from core (35) Pusher (7), the pusher (7) include being opened on the second dynamic model block (32) and being connected with dynamic model slot (321) Logical pole perforating hole (71), passes through the shoving hole (72) for being opened on the core (35) and being connected with the pole perforating hole (71) Reset assembly (8) is slidably connected on the second dynamic model block (32) and is formed by pusher chamber (331) positioned at support plate Scraping wings (73), the charging ram for being fixed on the scraping wings (73) and being arranged in pole perforating hole (71) and shoving hole (72) (74), be fixed on driving plate (75) on the scraping wings (73) and between scraping wings (73) and the first moving platen (34), It is opened in after the piston rod on the first dynamic model block (31) and for the driving cylinder for injection molding machine passes through and pushes driving plate (75) drive hole (76) moved towards close second dynamic model block (32), separate scraping wings (73) one end of the charging ram (74) It is in rounding off between end face and the forming surface (351) of core (35).

3. a kind of umbrella handle injection mold of children umbrella according to claim 2, it is characterised in that：The reset assembly (8) Including be opened on the second dynamic model block (32) reset hole (81), be fixed on the scraping wings (73) and far from scraping wings (73) One end be arranged in the release link (82) in reset hole (81), the dynamic model slot (321) is located at multiple reset holes (81) and is surrounded Spatial dimension in, and when driving plate (75) and the first dynamic model block (31) are inconsistent, release link (82) is far from scraping wings (73) The end face of one end is with the second dynamic model block (32) close to the end face flush of second cover half block (12) side.

4. a kind of umbrella handle injection mold of children umbrella according to claim 1, it is characterised in that：The dynamic model group (3) and It is additionally provided between cover half group (1) and generates the limit assembly (5) of dislocation for limiting the core (35) and moulding chamber (131), The limit assembly (5) includes the mounting hole (51) being opened on the second dynamic model block (32), is opened in the second cover half block (12) location hole (52), the locating rod (53) that is embedded in mounting hole (51) on and for coordinating with mounting hole (51), it is described Locating rod (53) passes through one end of mounting hole (51) to be embedded in the location hole (52).

5. a kind of umbrella handle injection mold of children umbrella according to claim 4, it is characterised in that：The limit assembly (5) Further include integrated setting on the moving platen (34) and positioned at the locating piece (54) of core (35) both sides, be opened in it is described fixed When in template (13) and for being molded for the embedded locating slot (55) of locating piece (54), the dynamic model group (3) and cover half group (1), The locating piece (54) is bonded completely with the inner wall of the locating slot (55).

6. a kind of umbrella handle injection mold of children umbrella according to claim 5, it is characterised in that：The locating piece (54) It is provided with draft (6) on side wall, the side wall for making locating piece (54) is also equipped on the inner wall of the locating slot (55) The draft (6) being bonded with the inner wall of locating slot (55).

7. a kind of umbrella handle injection mold of children umbrella according to claim 1, it is characterised in that：The second cover half block (12) it offers on and positioned at the edge of cover half slot (121) and first unloads die cavity by solid plate (13) takes out for facilitating (122)。

8. a kind of umbrella handle injection mold of children umbrella according to claim 1, it is characterised in that：The second dynamic model block (32) it offers on and positioned at the edge of dynamic model slot (321) and second unloads die cavity by moving platen (34) takes out for facilitating (322)。