CN201023292Y

CN201023292Y - Die with draw rod

Info

Publication number: CN201023292Y
Application number: CNU2007200486091U
Authority: CN
Inventors: 陈志煜; 黄建光; 何云清; 吴春雁; 李栾广
Original assignee: Foxlink Electronics Dongguan Co Ltd; Cheng Uei Precision Industry Co Ltd
Current assignee: Foxlink Electronics Dongguan Co Ltd; Cheng Uei Precision Industry Co Ltd
Priority date: 2007-02-08
Filing date: 2007-02-08
Publication date: 2008-02-20
Anticipated expiration: 2017-02-08

Abstract

The utility model discloses a mold with a draw bar comprising an upper fixing board, an oxen mold, a master mold, a stripping board, a lower fixing board, and the like from upper to lower successively, wherein the lateral surface of the lower fixing board, the stripping board, and the master mold board are provided with at least one drawbar which comprises an equal altitude screw, a stop block, and a rod body, wherein the equal altitude screw crosses through the lower fixing board and is fixed on the lower of the bar body, one portion of which is fixed on the lateral surface of the stripping board, the other portion thereof is movably connected with the stop block which is fixed on the lateral surface of the master mold. The utility model is capable of achieving the purpose of automatically cutting the feeding of sizing materials through the drawbar which externally hangs on the lateral surface of the mold, thereby reducing the cost of the mold with a drawbar of the utility model, increasing the inner space, and greatly reducing the processing difficulty.

Description

A kind of mould with pull bar

Affiliated technical field

The utility model relates to a kind of injection forming mold, relates in particular to a kind of lower link bar of injection forming mold.

Background technology

In the design of existing mold, especially in the design of three template dies, need the design lower link bar to limit the stroke between the upper mounted plate and stripper plate and stripper plate and caster in the die sinking process, in the die sinking process, reaching the purpose that sizing material into separates with shaped article automatically, thereby need manually cut-out advance sizing material.Should comprise the contour screw and the body of rod by existing lower link bar, the contour screw and the body of rod all are installed in four corners of mould inside, contour screw runs through the bottom plate of mould and is connected with the body of rod, the body of rod comprises bar head and shaft, the bar head is fastened in stripper plate inside, and shaft inserts in the male model plate after passing stripper plate and caster.

In this mould design, need form the space of lower link bar at the cavity volume that four jiaos of male model plates process corresponding lower link bar, and lower link bar itself occupied the inner space of stripper plate and caster, therefore increased Mould design difficulty, difficulty of processing and manufacturing cost.

Summary of the invention

The utility model purpose at above-mentioned the deficiencies in the prior art a kind of low cost is provided, the little mould of easily processing, take up room with pull bar.

For reaching above-mentioned purpose, the mould that the utlity model has pull bar comprises upper mounted plate, place the upper mounted plate below the male model plate, place male model plate below caster, place the caster below stripper plate, place the bottom plate of stripper plate below.Wherein, on the lateral surface of bottom plate, stripper plate and caster, be equiped with at least one pull bar, this pull bar has contour screw, stop block and the body of rod, contour screw passes bottom plate and is fixed on the body of rod, the part of the body of rod is fixed on the lateral surface of stripper plate, a part flexibly connects with stop block, and stop block is fixed on the lateral surface of caster.

From the above mentioned, the utility model only can be realized stroke between qualification bottom plate and stripper plate, stripper plate and the caster by an outer pull bar that hangs on the mould lateral surface in the die sinking process, thereby realize cutting off the purpose of material automatically, therefore, need not to process the male model plate for this reason, significantly reduce its difficulty of processing, increased its inner space simultaneously and be convenient to Mould design.

Description of drawings

In Figure of description:

Fig. 1 is the stereogram that the utlity model has the mould of pull bar.

Fig. 2 is the three-dimensional exploded view that the utlity model has the mould of pull bar.

Fig. 3 is the stereogram of pull bar that the utlity model has the mould of pull bar.

Fig. 4 is the three-dimensional exploded view of pull bar that the utlity model has the mould of pull bar.

Fig. 5 is the side view of pull bar that the utlity model has the mould of pull bar.

Fig. 6 is the side view that the utlity model has the mould of pull bar.

The description of reference numerals of each element is as follows among the figure:

Pull bar 20 bodies of rod 21

Bar head screw hole 211 bar heads 212

Shaft 213 holding sections 214

Projection 215 first screw holes 216

Stop block 22 second screw holes 221

Contour screw 23 cap nuts 231

Screw body 232 screw terminals 233

Bottom plate 11 outstanding edge 111

Through hole 112 stripper plates 12

Groove 121 the 3rd screw hole 122

Caster 13 the 4th screw hole 131

Shallow slot 132 male model plates 14

Upper mounted plate 15 screws 30

The specific embodiment

By describing technology contents of the present utility model, structural feature in detail, realized purpose and effect, give explanation below in conjunction with embodiment and conjunction with figs. are detailed.

See also Fig. 1 and Fig. 2, the mould that the utlity model has pull bar comprises bottom plate 11, places the stripper plate 12 of bottom plate 11 tops, places the caster 13 of stripper plate 12 tops, the male model plate 14 that places caster 13 tops, the upper mounted plate 15 that places male model plate 14 tops and pull bar 20.Pull bar 20 is fixed on the lateral surface of stripper plate 12, and the two ends active card of pull bar 20 is connected on the lateral surface of bottom plate 11 and caster 13.

The outside horizontal-extending in relative both sides of bottom plate 11 forms outstanding edge 111, the installation site of the corresponding pull bar 20 in outstanding edge 111 two ends offers the manhole 112 that runs through this outstanding edge 111, this through hole 112 has the first half and the Lower Half that diameter does not wait, to form the step (not shown).Offer groove 121 on the lateral surface of stripper plate 12,, offer two the 3rd screw holes 122 on the stripper plate 12 in the both sides of groove 121.Then offer shallow slot 132 on the lateral surface of caster 13.In shallow slot 132, offer two the 4th screw holes 131 on the caster 13.

See also Fig. 3, Fig. 4 and Fig. 5, this pull bar 20 has the body of rod 21, stop block 22 and contour screw 23.Contour screw 23 is formed by all being cap nut 231, screw body 232 and the screw terminal 233 that cylindrical shape and diameter successively decrease successively from top to bottom successively.Wherein, cap nut 231 diameters less than the diameter of through hole 112 Lower Halves of bottom plate 11 greater than the diameter of through hole 112 first halves, thereby cap nut 231 can be housed in the Lower Half of through hole 112 and can fasten step in the through hole 112; Then less than through hole 112 first half diameters, this screw body 232 is fixed on the body of rod 21 after passing this through hole 112 screw body 232 diameters, thereby contour screw 23 can be fastened in the through hole 112 of outstanding edge 111 of bottom plate 11.

The body of rod 21 has the bar head 212 that is rectangular-shaped, and bar head 212 end faces offer a bar head screw hole 211, is used for fixing the screw terminal 233 of contour screw 23, so that the body of rod 21 and contour screw 23 are fixed together.Bar head 212 outwards stretches out a projection 215 (as shown in Figure 5) towards the middle part, a side of stripper plate, in the groove 121 that this projection 215 embeds on stripper plate 12 lateral surfaces, both sides at projection 215, offering two the 3rd screw holes 122 that run through first screw hole, 216, the first screw holes, the 216 public stripper plates 12 of these bar head 212 left and right sides on the bar head 212 cooperates by corresponding screw 30 bar head 212 is fixed on the lateral surface of stripper plate 12.Middle part, bar head 212 bottom surfaces upwards vertically extends one and is rectangular-shaped shaft 213, "T"-shaped holding section 214 of shaft 213 terminal formation, holding section 214 is used to fasten stop block 22 to limit the scope of activities of the body of rod 21, this holding section 214 also can be other shape, for example semicircle sphere etc.

Stop block 22 is " U " shape, offers two second screw holes 221 that run through these stop block 22 left and right sides on the stop block 22.Stop block 22 is set on the shaft 213, and in the shallow slot 132 of the part of this stop block 22 insertion caster 13, corresponding screw 30 is fixed on stop block 22 on the lateral surface of caster 13 by second screw hole 221 and the 4th screw hole 131.Because stop block 22 is " U " shape, so be fixed on the lateral surface of caster 13 at stop block 22 after, form a breach between the stop block 22 public casters 13, thereby move up and down for shaft 213, and move certain position at shaft 213, stop block 22 fastens the holding section 214 of shaft 213 and limits the moving range of shaft 213 relative stop blocks 22.

Please refer to shown in Figure 6, certainly, pull bar 20 is installed on four corners, the die main body outside and only is preferred implementation, and pull bar 20 also can be installed on any other position in the die main body outside, and pull bar 20 quantity that are installed on outside the die main body also can be decided according to actual needs.Correspondingly, the through hole 112 on the bottom plate 11 outstanding edge 111 also is opened in corresponding position according to the installation site and the quantity of pull bar 20.

In the die sinking process, at first, the male model plate 14 and the caster 13 that tightly lock together move upward together by shutter (figure does not show) in upper mounted plate 15 drives, caster 13 is separated with stripper plate 12, thereby cut off sizing material (figure does not show), then along with caster 13 continue move upward, the stop block 22 that is fixed on caster 13 sides is also shifted to holding section 214 and is finally fastened on holding section 214 along shaft 213, thereby drive stripper plate 12 moves upward and separates with bottom plate 11, after separating a segment distance, the cap nut 231 of the contour screw 23 that is connected with stripper plate 12 fastens the step in the through hole 112 of giving prominence to edge 111, thereby make caster 13 and stripper plate 12 stop motions, but male model plate 14 still continues along with the die sinking system moves upward, final shutter can't bear the pulling force of male model plate 14 and separate, separate between male model plate 14 and the caster 13, the thimble of mould (figure does not show) ejects the moulding product simultaneously, and finishes die sinking.

From the above mentioned, the bar head 212 of the utility model pull bar 20 is fixed on the lateral surface of stripper plate 12, being connected on the bottom plate 11 of contour screw 23 activities, stop block 22 is fixed on the lateral surface of caster 13, and holding section 214 activities fasten stop block 22, thereby reach the effect that limits stroke between bottom plate 11 and stripper plate 12, stripper plate 12 and the caster 13, and needing in the prior art to have avoided processing that the male model plate is carried out, increase the inner space of mould, thereby helped simplifying Mould design.

Claims

1. mould with pull bar, comprise upper mounted plate, place the male model plate of upper mounted plate below, place the caster of male model plate below, place the stripper plate of caster below, place the bottom plate of stripper plate below, it is characterized in that: at bottom plate, be equiped with at least one pull bar on the mould lateral surface of stripper plate and caster, this pull bar has contour screw, the stop block and the body of rod, contour screw passes bottom plate and is fixed on the body of rod, the part of the body of rod is fixed on the stripper plate lateral surface, a part flexibly connects with stop block, and stop block is fixed on the lateral surface of caster.

2. the mould with pull bar according to claim 1 is characterized in that: the outside horizontal-extending of the lateral surface of bottom plate forms outstanding edge, and outstanding edge is provided with the through hole that runs through this outstanding edge; Described contour screw has the cap nut that can replace outstanding edge, pass through hole and the screw body that is connected with cap nut and be positioned at the screw body end and be fixed on screw terminal on the body of rod.

3. the mould with pull bar according to claim 2 is characterized in that: the step that is formed with the cap nut that can fasten contour screw in the described through hole.

4. the mould with pull bar according to claim 1 is characterized in that: the body of rod of this pull bar further comprises and is fixed on the stripper plate lateral surface and is connected with the fixedly connected bar head of screw terminal, with the bar head and passes the shaft of stop block and be positioned at the holding section of the stop block replaced of shaft end.

5. the mould with pull bar according to claim 4 is characterized in that: the holding section of pull bar is "T"-shaped.

6. the mould with pull bar according to claim 4 is characterized in that: the stop block of pull bar is " U " shape.

7. the mould with pull bar according to claim 1 is characterized in that: pull bar is installed in the Si Jiaochu of mould lateral surface.

8. the mould with pull bar according to claim 1 is characterized in that: offer groove on the lateral surface of stripper plate, the club head face of pull bar is provided with projection to a side of stripper plate, and this projection embeds in the groove.