CN206169086U - No frame mould - Google Patents

Abstract

The utility model relates to a no frame mould, including the die shank, lower mould seat board, upper clamping plate, the lower punch, recessed terrace die, the ball guide pillar, the die is gone up to the guide pin bushing, the corner sets of lower mould seat board face above have a ball guide pillar, the upper end of ball guide pillar is provided with the copper sheathing, the lower extreme of ball guide pillar is provided with the telescoping device of being connected with the copper sheathing, lower mould seat board's upper surface be provided with the lower bolster, lower mould seat board's upper surface is provided with the retainingf key, the lower bolster passes through the retainingf key to be connected with lower mould seat board and to be fixed, about the lower bolster both ends be provided with with the fixed lower punch of lower bolster, the left side of the left lower punch of lower bolster is provided with the fixed block, both sides are provided with stop device around the lower bolster, the upper surface of lower bolster is provided with can dismantle fixed recessed terrace die, the lower bolster is the pin junction with recessed terrace die, and is total, the utility model has the advantages of simple structure, simple and practical, make things convenient for the product after the punching press to remove.

Description

A kind of boundless frame mould

Technical field

This utility model belongs to car plate die apparatus technical field, and in particular to a kind of boundless frame mould.

Background technology

The stopping means of traditional car plate mould are two steel plate frames being welded on lower bolster, are reached with this to needing The position-limiting action of the raw material of punching press is carried out, but steel plate spacing in process of production hinders the sight line of direct labor not Can position of the finite observation raw material in car plate mould and that license plate product after punching press is carried out to raw material in mould is easy It is stuck between spacing steel plate, to solve the above problems, it is therefore desirable to a kind of boundless frame mould.

Utility model content

The purpose of this utility model is, in order to make up the deficiencies in the prior art, and to provide and a kind of have simple structure, simple Boundless frame mould that is practical, facilitating the product after punching press to move.

What the purpose of this utility model was realized in：A kind of boundless frame mould, including die shank, die shoe plate, upper bolster Plate, lower punch, lower concave-convex mold, ball guide pillar, guide pin bushing, upper cavity die, the corner in the top face of described die shoe plate is provided with rolling Pearl guide pillar, the upper end of ball guide pillar is provided with copper sheathing, and the lower end of ball guide pillar is provided with the retractor device being connected with copper sheathing, described The upper surface of die shoe plate be provided with lower bolster, the upper surface of die shoe plate is provided with retainingf key, and lower bolster passes through retainingf key It is connected and fixes with die shoe plate, the left and right two ends of lower bolster is provided with the lower punch fixed with lower bolster, on the left of lower bolster Fixed block is provided with the left of lower punch, both sides are provided with stopping means before and after lower bolster, and the upper surface of lower bolster is provided with The lower concave-convex mold being detachably fixed, lower bolster and lower concave-convex mold are pin connection, lower concave-convex mold 1-5mm lower than lower punch, described The upper surface of upper clamping plate is provided with die shank, and the corner of the lower surface of upper clamping plate is provided with guide pin bushing, the lower surface of upper clamping plate Upper die plate is provided with, upper die plate is connected by retainingf key with upper clamping plate, and the lower surface of upper die plate is provided with upper cavity die, The left and right two ends of upper cavity die are provided with upper cavity die fixed plate.

The upper end of described stopping means is provided with bearing, and bearing is provided with the axle matched with bearing, described bearing Outer surface be set to the arc-shaped curved surface of a height of 1-2mm, the top of described axle is provided with fixing device.

The surface inserting of described copper sheathing is reduced the steel ball of friction.

Described upper cavity die fixed plate is less than upper cavity die 1mm--5mm.

Described stopping means have 6.

Described ball guide pillar has 4.

Described lower concave-convex mold has 4, can install as needed and dismounting die or punch.

The beneficial effects of the utility model：Stopping means of the present utility model are using a height of 1-2mm through custom design Bearing, the stopping means that this utility model is adopted can realize that the raw material to needing punching press carries out position-limiting action, while The small volume of stopping means of the present utility model will not cause to block to the sight line of workman, and the car plate after processing is along spacing dress The arc-shaped curved surface of the bearing surface put is removed from Working position, is not in the phenomenon blocked, and this utility model has structure Simply, advantage that is simple and practical, facilitating the product after punching press to move.

Description of the drawings

Fig. 1 is a kind of schematic diagram of boundless frame mould of this utility model.

Fig. 2 is a kind of top view of the lower mold portion of boundless frame mould of this utility model.

Fig. 3 is a kind of front view of the lower mold portion of boundless frame mould of this utility model.

Fig. 4 is a kind of top view of the mold part of boundless frame mould of this utility model.

Fig. 5 is a kind of front view of the mold part of boundless frame mould of this utility model.

Fig. 6 is a kind of schematic diagram of the ball guide pillar of boundless frame mould of this utility model.

Fig. 7 is a kind of schematic diagram of the stopping means of boundless frame mould of this utility model.

Fig. 8 is a kind of vertical view and front view of boundless frame mould stopping means of this utility model.

In figure：1st, ball guide pillar 2, die shoe plate 3, stopping means 4, lower bolster 5, lower punch 6, lower concave-convex mold 7, Fixed block 8, retractor device 9, copper sheathing 10, bearing 11, axle 12, upper clamping plate 13, upper die plate 14, upper cavity die 15, Guide pin bushing 16, upper cavity die fixed plate 17, retainingf key 18, die shank.

Specific embodiment

This utility model is described further below in conjunction with the accompanying drawings.

Embodiment 1

As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, a kind of boundless frame mould, including die shank 18, lower mould Seat board 2, upper clamping plate 12, lower punch 5, lower concave-convex mold 6, ball guide pillar 1, guide pin bushing 15, upper cavity die 14, described die shoe plate 2 The corner in top face be provided with ball guide pillar 1, the upper end of ball guide pillar 1 is provided with copper sheathing 9, and the lower end of ball guide pillar 1 is arranged The upper surface for having the retractor device 8 being connected with copper sheathing 9, described die shoe plate 2 is provided with lower bolster 4, the upper table of die shoe plate 2 Face is provided with retainingf key 17, and lower bolster 4 is connected and fixed by retainingf key 17 with die shoe plate 2, and the left and right two ends of lower bolster 4 set The lower punch 5 fixed with lower bolster 4 is equipped with, the left side of the lower punch 5 in the left side of lower bolster 4 is provided with fixed block 7, lower bolster 4 In front and back both sides are provided with stopping means 3, and the upper surface of lower bolster 4 is provided with the lower concave-convex mold 6 being detachably fixed, lower bolster 4 with Lower concave-convex mold 6 is pin connection, and lower concave-convex mold 6 is provided with mould than the low 1-5mm of lower punch 5, the upper surface of described upper clamping plate 12 Handle 18, the corner of the lower surface of upper clamping plate 12 is provided with guide pin bushing 15, and the lower surface of upper clamping plate 12 is provided with upper die plate 13, Upper die plate 13 is connected by retainingf key 17 with upper clamping plate 12, and the lower surface of upper die plate 13 is provided with upper cavity die 14, fovea superior The left and right two ends of mould 14 are provided with upper cavity die fixed plate 16.

When this utility model is implemented, the corner in the top face of die shoe plate 2 is provided with ball guide pillar 1, ball guide pillar 1 Upper end is provided with copper sheathing 9, and the lower end of ball guide pillar 1 is provided with the retractor device 8 being connected with copper sheathing 9, the upper surface of die shoe plate 2 Lower bolster 4 is provided with, the upper surface of die shoe plate 2 is provided with retainingf key 17, and lower bolster 4 is by retainingf key 17 and die shoe plate 2 Connect and fix, the left and right two ends of lower bolster 4 are provided with the lower punch 5 fixed with lower bolster 4, the lower punch 5 in the left side of lower bolster 4 Left side be provided with fixed block 7, both sides are provided with stopping means 3 before and after lower bolster 4, and the upper surface of lower bolster 4 is provided with can The fixed lower concave-convex mold 6 of dismounting, lower bolster 4 and lower concave-convex mold 6 are pin connection, lower concave-convex mold 6 than the low 1-5mm of lower punch 5, on The upper surface of die holder plate 12 is provided with die shank 18, and the corner of the lower surface of upper clamping plate 12 is provided with guide pin bushing 15, upper clamping plate 12 Lower surface be provided with upper die plate 13, upper die plate 13 is connected by retainingf key 17 with upper clamping plate 12, upper die plate 13 Lower surface is provided with upper cavity die 14, and the left and right two ends of upper cavity die 14 are provided with upper cavity die fixed plate 16；After completing above-mentioned installation This utility model can be come into operation；During work, upper clamping plate 12 and die shoe plate 2 are assembled, then will be assembled Mould installion is fixed on stamping machine, and then the raw material for needing processing is placed in mould, and then stamping machine passes through die shank 18 pairs of moulds apply pressure, and guide pin bushing 15 is moved under force along ball guide pillar 1 to die shoe plate 2, and drives upper cavity die 14 Move to lower punch 5 and lower concave-convex mold 6 with upper cavity die fixed plate 16, because upper cavity die 14 and upper cavity die fixed plate 16 have height Difference, upper cavity die 14 is than the high 1-5mm of upper cavity die fixed plate 16, while lower concave-convex mold 6 and lower punch 5 have difference in height, lower concave-convex mold 6 Than the low 1-5mm of lower punch 5, there is punching press collision in upper cavity die 14, raw material is carried out according to the design of mould with lower concave-convex mold 6 There is punching press and collide and produce shearing force in the punching press of shape, upper cavity die fixed plate 16, with lower punch 5 by raw material according to design Length is cut off, upper cavity die 14 and lower concave-convex mold 6 and upper cavity die fixed plate 16 complete with the punching press of lower punch 5 collision after stamping machine not Apply the energy release that the retractor device 8 for being compressed of 1 time part of pressure ball guide pillar is put aside again, upper clamping plate 12 upspring, Then raw material continues to advance and by the car plate ejection die for having machined.

Embodiment 2

As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, a kind of boundless frame mould, including die shank 18, lower mould Seat board 2, upper clamping plate 12, lower punch 5, lower concave-convex mold 6, ball guide pillar 1, guide pin bushing 15, upper cavity die 14, described die shoe plate 2 The corner in top face be provided with ball guide pillar 1, the upper end of ball guide pillar 1 is provided with copper sheathing 9, and the lower end of ball guide pillar 1 is arranged The upper surface for having the retractor device 8 being connected with copper sheathing 9, described die shoe plate 2 is provided with lower bolster 4, the upper table of die shoe plate 2 Face is provided with retainingf key 17, and lower bolster 4 is connected and fixed by retainingf key 17 with die shoe plate 2, and the left and right two ends of lower bolster 4 set The lower punch 5 fixed with lower bolster 4 is equipped with, the left side of the lower punch 5 in the left side of lower bolster 4 is provided with fixed block 7, lower bolster 4 In front and back both sides are provided with stopping means 3, and the upper surface of lower bolster 4 is provided with the lower concave-convex mold 6 being detachably fixed, lower bolster 4 with Lower concave-convex mold 6 is pin connection, and lower concave-convex mold 6 is provided with mould than the low 1-5mm of lower punch 5, the upper surface of described upper clamping plate 12 Handle 18, the corner of the lower surface of upper clamping plate 12 is provided with guide pin bushing 15, and the lower surface of upper clamping plate 12 is provided with upper die plate 13, Upper die plate 13 is connected by retainingf key 17 with upper clamping plate 12, and the lower surface of upper die plate 13 is provided with upper cavity die 14, fovea superior The left and right two ends of mould 14 are provided with upper cavity die fixed plate 16；The upper end of described stopping means 3 is provided with bearing 10, and bearing 10 sets The axle 11 matched with bearing 10 is equipped with, the outer surface of described bearing 10 is set to the arc-shaped curved surface of a height of 1-2mm, described The top of axle 11 is provided with fixing device.

This utility model is provided with ball guide pillar 1 when implementing in the corner in the top face of die shoe plate 2, ball guide pillar 1 Upper end is provided with copper sheathing 9, and the lower end of ball guide pillar 1 is provided with the retractor device 8 being connected with copper sheathing 9, the upper surface of die shoe plate 2 Lower bolster 4 is provided with, the upper surface of die shoe plate 2 is provided with retainingf key 17, and lower bolster 4 is by retainingf key 17 and die shoe plate 2 Connect and fix, the left and right two ends of lower bolster 4 are provided with the lower punch 5 fixed with lower bolster 4, the lower punch 5 in the left side of lower bolster 4 Left side be provided with fixed block 7, both sides are provided with stopping means 3 before and after lower bolster 4, and the upper surface of lower bolster 4 is provided with can The fixed lower concave-convex mold 6 of dismounting, lower bolster 4 and lower concave-convex mold 6 are pin connection, lower concave-convex mold 6 than the low 1-5mm of lower punch 5, on The upper surface of die holder plate 12 is provided with die shank 18, and the corner of the lower surface of upper clamping plate 12 is provided with guide pin bushing 15, upper clamping plate 12 Lower surface be provided with upper die plate 13, upper die plate 13 is connected by retainingf key 17 with upper clamping plate 12, upper die plate 13 Lower surface is provided with upper cavity die 14, and the left and right two ends of upper cavity die 14 are provided with upper cavity die fixed plate 16；The upper end of stopping means 3 sets Bearing 10 is equipped with, bearing 10 is provided with the axle 11 matched with bearing 10, and the outer surface of bearing 10 is set to the arc of a height of 1-2mm Shape curved surface, the top of axle 11 is provided with fixing device, completes to come into operation this utility model by after above-mentioned installation, work When, upper clamping plate 12 and die shoe plate 2 are assembled, then the mould installion for assembling is fixed on stamping machine, then will The raw material for needing processing is placed in mould, and then stamping machine applies pressure by die shank 18 to mould, and guide pin bushing 15 is in power Effect lower edge ball guide pillar 1 is moved to die shoe plate 2, and drives upper cavity die 14 and upper cavity die fixed plate 16 to lower punch 5 with Concave-convex mold 6 is moved, and because upper cavity die 14 and upper cavity die fixed plate 16 have difference in height, upper cavity die 14 is than the high 1- of upper cavity die fixed plate 16 5mm, while lower concave-convex mold 6 and lower punch 5 have a difference in height, lower concave-convex mold 6 than the low 1-5mm of lower punch 5, upper cavity die 14 with it is recessed There is punching press collision in punch 6, raw material is carried out into the punching press of shape, upper cavity die fixed plate 16 and lower punch according to the design of mould Shearing force is collided and produced in 5 generation punching presses, by raw material according to design length cut-out, upper cavity die 14 and lower concave-convex mold 6 and upper Stamping machine no longer applies being pressed for 1 time part of pressure ball guide pillar after die block 16 is completed with the punching press of lower punch 5 collision The energy release of the savings of retractor device 8 of contracting, upper clamping plate 12 is upspring, and then raw material continues to advance and will process Into the passage that constituted along the outer surface of the bearing 10 of 6 stopping means 3 of car plate derive, and due to the appearance of bearing 10 Face is set to the arc-shaped curved surface of a height of 1-2mm, can block processing after car plate so as to prevent upper clamping plate 12 rise when Car plate after processing is taken up.

Embodiment 3

As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, a kind of boundless frame mould, including die shank 18, lower mould Seat board 2, upper clamping plate 12, lower punch 5, lower concave-convex mold 6, ball guide pillar 1, guide pin bushing 15, upper cavity die 14, described die shoe plate 2 The corner in top face be provided with ball guide pillar 1, the upper end of ball guide pillar 1 is provided with copper sheathing 9, and the lower end of ball guide pillar 1 is arranged The upper surface for having the retractor device 8 being connected with copper sheathing 9, described die shoe plate 2 is provided with lower bolster 4, the upper table of die shoe plate 2 Face is provided with retainingf key 17, and lower bolster 4 is connected and fixed by retainingf key 17 with die shoe plate 2, and the left and right two ends of lower bolster 4 set The lower punch 5 fixed with lower bolster 4 is equipped with, the left side of the lower punch 5 in the left side of lower bolster 4 is provided with fixed block 7, lower bolster 4 In front and back both sides are provided with stopping means 3, and the upper surface of lower bolster 4 is provided with the lower concave-convex mold 6 being detachably fixed, lower bolster 4 with Lower concave-convex mold 6 is pin connection, and lower concave-convex mold 6 is provided with mould than the low 1-5mm of lower punch 5, the upper surface of described upper clamping plate 12 Handle 18, the corner of the lower surface of upper clamping plate 12 is provided with guide pin bushing 15, and the lower surface of upper clamping plate 12 is provided with upper die plate 13, Upper die plate 13 is connected by retainingf key 17 with upper clamping plate 12, and the lower surface of upper die plate 13 is provided with upper cavity die 14, fovea superior The left and right two ends of mould 14 are provided with upper cavity die fixed plate 16；The upper end of described stopping means 3 is provided with bearing 10, and bearing 10 sets The axle 11 matched with bearing 10 is equipped with, the outer surface of described bearing 10 is set to the arc-shaped curved surface of a height of 1-2mm, described The top of axle 11 is provided with fixing device；Described lower concave-convex mold 6 has 4, can install as needed and dismounting die or punch.

This utility model is provided with ball guide pillar 1 when implementing in the corner in the top face of die shoe plate 2, ball guide pillar 1 Upper end is provided with copper sheathing 9, and the lower end of ball guide pillar 1 is provided with the retractor device 8 being connected with copper sheathing 9, the upper surface of die shoe plate 2 Lower bolster 4 is provided with, the upper surface of die shoe plate 2 is provided with retainingf key 17, and lower bolster 4 is by retainingf key 17 and die shoe plate 2 Connect and fix, the left and right two ends of lower bolster 4 are provided with the lower punch 5 fixed with lower bolster 4, the lower punch 5 in the left side of lower bolster 4 Left side be provided with fixed block 7, both sides are provided with stopping means 3 before and after lower bolster 4, and the upper surface of lower bolster 4 is provided with can The fixed lower concave-convex mold 6 of dismounting, lower bolster 4 and lower concave-convex mold 6 are pin connection, lower concave-convex mold 6 than the low 1-5mm of lower punch 5, on The upper surface of die holder plate 12 is provided with die shank 18, and the corner of the lower surface of upper clamping plate 12 is provided with guide pin bushing 15, upper clamping plate 12 Lower surface be provided with upper die plate 13, upper die plate 13 is connected by retainingf key 17 with upper clamping plate 12, upper die plate 13 Lower surface is provided with upper cavity die 14, and the left and right two ends of upper cavity die 14 are provided with upper cavity die fixed plate 16；The upper end of stopping means 3 sets Bearing 10 is equipped with, bearing 10 is provided with the axle 11 matched with bearing 10, and the outer surface of bearing 10 is set to the arc of a height of 1-2mm Shape curved surface, the top of axle 11 is provided with fixing device；Lower concave-convex mold 6 has 4, can install as needed and dismounting die or convex Mould, completes to come into operation this utility model by after above-mentioned installation, during work, 2 groups of upper clamping plate 12 and die shoe plate Install, then the mould installion for assembling be fixed on stamping machine, then the raw material for needing processing is placed in mould, Then stamping machine applies pressure by die shank 18 to mould, and guide pin bushing 15 is transported under force along ball guide pillar 1 to die shoe plate 2 It is dynamic, and drive upper cavity die 14 and upper cavity die fixed plate 16 to move to lower punch 5 and lower concave-convex mold 6, because lower concave-convex mold 6 can basis Need to install and dismounting die or punch；When the car plate of punching press needs hole, lower concave-convex mold 6 is changed into punch；Due to fovea superior Mould 14 and upper cavity die fixed plate 16 have difference in height, upper cavity die 14 than the high 1-5mm of upper cavity die fixed plate 16, while punch and lower punch 5 have a difference in height, and than the low 1-5mm of lower punch 5, upper cavity die 14 and punch punching press collision to punch occur, punching press complete after car Board goes out the hole of needs, and upper cavity die fixed plate 16 occurs punching press and collides and produce shearing force with lower punch 5, by raw material according to setting The length cut-out of meter, upper cavity die 14 and punch and upper cavity die fixed plate 16 complete with the punching press of lower punch 5 collision after stamping machine not Apply the energy release that the retractor device 8 for being compressed of 1 time part of pressure ball guide pillar is put aside again, upper clamping plate 12 upspring, Then raw material continue advance and by the car plate for having machined along the bearing 10 of 6 stopping means 3 outer surface institute group Into passage derive, and because the outer surface of bearing 10 is set to the arc-shaped curved surface of a height of 1-2mm, after processing can be blocked Car plate so as to prevent upper clamping plate 12 rise when processing after car plate take up；Because lower concave-convex mold 6 can be as needed Install and dismounting die or punch；When the car plate of punching press there need not be hole, lower concave-convex mold 6 is changed into die；Upper clamping plate 12 and die shoe plate 2 assemble, then the mould installion for assembling is fixed on stamping machine, then will need processing former material Material is placed in mould, and then stamping machine applies pressure by die shank 18 to mould, and guide pin bushing 15 is led under force along ball Post 1 to die shoe plate 2 is moved, and drives upper cavity die 14 and upper cavity die fixed plate 16 to move to lower punch 5 and lower concave-convex mold 6, by Have a difference in height in upper cavity die 14 and upper cavity die fixed plate 16, upper cavity die 14 than the high 1-5mm of upper cavity die fixed plate 16, while die and Lower punch 5 has difference in height, and die occurs punching press collision than the low 1-5mm of lower punch 5, upper cavity die 14 with die, and punching press completes it Car plate afterwards is the car plate without hole, and upper cavity die fixed plate 16 occurs punching press and collides and produce shearing force with lower punch 5, by former material Expect according to the length cut-out of design, after upper cavity die 14 is completed with die and upper cavity die fixed plate 16 with the punching press of lower punch 5 collision Stamping machine no longer applies the energy release that the retractor device 8 for being compressed of 1 time part of pressure ball guide pillar is put aside, by upper clamping plate 12 upspring, then raw material continue advance and by the car plate for having machined along the bearing 10 of 6 stopping means 3 appearance The passage that face is constituted is derived, and because the outer surface of bearing 10 is set to the arc-shaped curved surface of a height of 1-2mm, can be blocked and be added Car plate after work takes up so as to the car plate after preventing upper clamping plate 12 when rising processing；Total, this utility model tool Have the advantages that junction structure is simple, simple and practical, facilitate the product after punching press to move.

While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art, It is appreciated that these embodiments can be carried out various changes in the case of without departing from principle of the present utility model and spirit, repaiies Change, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.

Claims (7)

1. a kind of boundless frame mould, including die shank（18）, die shoe plate（2）, upper clamping plate（12）, lower punch（5）, lower concave-convex mold （6）, ball guide pillar（1）, guide pin bushing（15）, upper cavity die（14）, it is characterised in that：Described die shoe plate（2）Top face four Angle is provided with ball guide pillar（1）, ball guide pillar（1）Upper end be provided with copper sheathing（9）, ball guide pillar（1）Lower end be provided with Copper sheathing（9）The retractor device of connection（8）, described die shoe plate（2）Upper surface be provided with lower bolster（4）, die shoe plate（2） Upper surface be provided with retainingf key（17）, lower bolster（4）By retainingf key（17）With die shoe plate（2）Connect and fix, underlay Plate（4）Left and right two ends be provided with and lower bolster（4）Fixed lower punch（5）, lower bolster（4）The lower punch in left side（5）A left side Side is provided with fixed block（7）, lower bolster（4）Before and after both sides be provided with stopping means（3）, lower bolster（4）Upper surface arrange There is the lower concave-convex mold being detachably fixed（6）, lower bolster（4）With lower concave-convex mold（6）For pin connection, lower concave-convex mold（6）Compare lower punch （5）Low 1-5mm, described upper clamping plate（12）Upper surface be provided with die shank（18）, upper clamping plate（12）Lower surface four Angle is provided with guide pin bushing（15）, upper clamping plate（12）Lower surface be provided with upper die plate（13）, upper die plate（13）By fixation Key（17）With upper clamping plate（12）Connection, upper die plate（13）Lower surface be provided with upper cavity die（14）, upper cavity die（14）A left side Right two ends are provided with upper cavity die fixed plate（16）.

2. a kind of boundless frame mould according to claim 1, it is characterised in that：Described stopping means（3）Upper end set It is equipped with bearing（10）, bearing（10）It is provided with and bearing（10）The axle for matching（11）, described bearing（10）Outer surface set It is set to the arc-shaped curved surface of a height of 1-2mm, described axle（11）Top be provided with fixing device.

3. a kind of boundless frame mould according to claim 1, it is characterised in that：Described copper sheathing（9）Surface inserting have Reduce the steel ball of friction.

4. a kind of boundless frame mould according to claim 1, it is characterised in that：Described upper cavity die fixed plate（16）It is less than Upper cavity die（14）1mm--5mm.

5. a kind of boundless frame mould according to claim 1, it is characterised in that：Described stopping means（3）There are 6.

6. a kind of boundless frame mould according to claim 1, it is characterised in that：Described ball guide pillar（1）There are 4.

7. a kind of boundless frame mould according to claim 1, it is characterised in that：Described lower concave-convex mold（6）There are 4, can Install as needed and dismounting die or punch.