CN217670638U

CN217670638U - Corrugated pipe end pressing die

Info

Publication number: CN217670638U
Application number: CN202221113698.4U
Authority: CN
Inventors: 张顺芳
Original assignee: Yixing Bobo Pipeline Equipment Co ltd
Current assignee: Yixing Bobo Pipeline Equipment Co ltd
Priority date: 2022-05-10
Filing date: 2022-05-10
Publication date: 2022-10-28
Anticipated expiration: 2032-05-10

Abstract

The utility model discloses a bellows end embossing mold utensil relates to bellows end manufacturing technical field, including die holder and upper die base, the upper die base is located the die holder directly over, first one-tenth die cavity and a plurality of second one-tenth die cavity have been seted up to the upper surface of die holder, and a plurality of second one-tenth die cavities distribute in the periphery of first one-tenth die cavity with the mode of central symmetry, and the inside lower extreme of first one-tenth die cavity and second one-tenth die cavity all is provided with gliding elevating platform from top to bottom, and the welding of the centre of elevating platform upper surface has the mold core, and the spiral way that is located a plurality of second one-tenth die cavity outsides is seted up to the inside of die holder. Through set up first die cavity and a plurality of second die cavity on the lower die base, make the mould can process a plurality of work pieces simultaneously like this, after the work piece press forming in the mould, the ascending gliding elevating platform can promote the work piece and upwards slide and extend first die cavity and second die cavity, and the work piece with press forming that like this can be very convenient collects.

Description

Corrugated pipe end pressing die

Technical Field

The utility model relates to a bellows end makes technical field, especially relates to a bellows end embossing mold utensil.

Background

The corrugated pipe mainly comprises a metal corrugated pipe, a corrugated expansion joint, a corrugated heat exchange pipe, a diaphragm capsule, a metal hose and the like. The metal corrugated pipe is mainly applied to the effects of compensating the thermal deformation of the pipeline, absorbing the shock, absorbing the settlement deformation of the pipeline and the like, and is widely applied to the industries of petrifaction, instruments, spaceflight, chemical industry, electric power, cement, metallurgy and the like. The bellows head is a member for connecting bellows.

The utility model discloses a practical new patent with publication number CN204820117U in the existing granted patent, and discloses a corrugated pipe end pressing die, which comprises a die shell and a core, wherein the die shell consists of an upper die part, a transition section and a lower die part, the inner diameter of the upper die part is slightly smaller than that of the lower die part, and the angle between the transition section and the horizontal plane is 40-60 degrees; the transition section is in arc transition design with the connection part of the upper part of the die and the lower part of the die, the angle between the transition section and the horizontal plane is 45 degrees, and the upper pressure head and the lower pressure head are both annular;

the utility model discloses a can directly be with bellows end press forming through utilizing the embossing mold utensil, save the processing of follow-up turning, but this embossing mold utensil single can only process a work piece, is difficult to a plurality of work pieces of simultaneous processing to after the work piece is in embossing mold utensil press forming, it is also comparatively troublesome to take out, for this reason we have proposed a bellows end embossing mold utensil, with the technical problem who solves the aforesaid and propose.

SUMMERY OF THE UTILITY MODEL

The utility model provides a bellows end embossing mold utensil to current embossing mold utensil that the solution above-mentioned background art provided is difficult to a plurality of work pieces of simultaneous processing, and after the work piece compression moulding in the mould, takes out comparatively trouble problem.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a corrugated pipe end pressing die comprises a lower die holder and an upper die holder, wherein the upper die holder is positioned right above the lower die holder;

the upper surface of the lower die holder is provided with a first molding cavity and a plurality of second molding cavities, the second molding cavities are distributed on the periphery of the first molding cavity in a centrosymmetric mode, the lower ends of the interiors of the first molding cavity and the second molding cavity are respectively provided with a lifting table capable of sliding up and down, a die core is welded in the center of the upper surface of the lifting table, and a spiral channel located on the outer side of the second molding cavities is arranged in the lower die holder.

Furthermore, the bottom surfaces inside the first molding cavity and the second molding cavity are both rotatably connected with lead screws, and the upper ends of the lead screws are inserted into the lifting platform on the same side and are in threaded connection with the lifting platform.

Furthermore, a driving cavity is formed in the lower end of the inner portion of the lower die base and located below the first forming cavity and the second forming cavity, and the bottom of the lead screw penetrates through the inner portion of the driving cavity.

Furthermore, a driving gear is installed at the bottom of the screw rod on the first molding cavity, a driven gear is installed at the bottom of the screw rod on the second molding cavity, and the driven gear is located on the outer side of the driving gear and meshed with the driving gear.

Furthermore, a transmission shaft is welded at the bottom of the driving gear, and the bottom of the transmission shaft penetrates through the lower die holder and is provided with a rotating handle.

Furthermore, a plurality of pressing blocks which correspond to the first molding cavity and the second molding cavity are welded at the bottom of the upper die base, guide rods are welded at the left end and the right end of the top of the lower die base, and the upper ends of the guide rods penetrate through the upper die base and are connected with the upper die base in a sliding mode.

Furthermore, the top and the bottom of the spiral channel are inserted with pipe joints.

Compared with the prior art, the utility model discloses the beneficial effect who realizes:

through set up first molding cavity and a plurality of second molding cavity on the lower die holder, make the mould can process a plurality of work pieces simultaneously like this, through all setting up the elevating platform in first molding cavity and second molding cavity, after the work piece press forming in the mould, twist and move the turning handle and rotate, the elevating platform in first molding cavity and the second molding cavity just can upwards slide in step afterwards, thereby the ascending gliding elevating platform can promote the work piece and upwards slide and extend first molding cavity and second molding cavity, the work piece that can press the molding in first molding cavity and the second molding cavity very convenient like this is collected;

through set up the spiral way in the die holder, when work piece compression moulding, can let in heat medium or refrigerant in the spiral way, when letting in the heat medium in the spiral way, the heat medium can heat die holder and work piece to make the work piece soften, the work piece is pressed forming more easily like this, when the spiral way lets in the refrigerant, the refrigerant can carry out cooling to die holder and work piece, like this when the work piece by the compression forming after, can accelerate the cooling shaping speed of work piece.

Drawings

Fig. 1 is a schematic view of the whole internal structure of the present invention.

Fig. 2 is a schematic view of the overlooking external structure of the lower die holder of the present invention.

Fig. 3 is a schematic view of the bottom internal structure of the driving chamber of the present invention.

In FIGS. 1-3: 1-a lower die holder, 101-a first molding cavity, 102-a second molding cavity, 103-a spiral channel, 104-a driving cavity, 2-an upper die holder, 3-a lifting table, 4-a die core, 5-a lead screw, 6-a driving gear, 7-a driven gear, 8-a transmission shaft, 9-a rotating handle, 10-a pipeline joint, 11-a guide rod and 12-a pressing block.

Detailed Description

Please refer to fig. 1 to 3:

the utility model provides a bellows end embossing mold utensil, including die holder 1 and upper die base 2, upper die base 2 is located directly over die holder 1, the upper surface of die holder 1 has seted up first molding cavity 101 and a plurality of second molding cavity 102, a plurality of second molding cavities 102 distribute in the periphery of first molding cavity 101 with central symmetry's mode, the lower extreme of first molding cavity 101 and the inside of second molding cavity 102 all is provided with the elevating platform 3 that can slide from top to bottom, the centre welding of elevating platform 3 upper surface has mold core 4, the inside of die holder 1 is seted up the spiral way 103 that is located a plurality of second molding cavities 102 outsides;

specifically, a plurality of pressing blocks 12 which are arranged corresponding to the first molding cavity 101 and the second molding cavity 102 are welded at the bottom of the upper die holder 2, guide rods 11 are welded at the left end and the right end of the top of the lower die holder 1, and the upper ends of the guide rods 11 at the left end and the right end penetrate through the upper die holder 2 and are connected with the upper die holder 2 in a sliding manner;

polytetrafluoroethylene materials can be placed in the first molding cavity 101 and the second molding cavity 102, a hydraulic cylinder is mounted on the upper die holder 2, the hydraulic cylinder can push the upper die holder 2 to move up and down, the upper die holder 2 can slide up and down on the lower die holder 1 through the matching of the upper die holder 2 and the guide rod 11, when the upper die holder 2 slides down towards the lower die holder 1, the pressing blocks 12 on the upper die holder 2 can be respectively inserted into the first molding cavity 101 and the second molding cavity 102, and therefore the pressing blocks 12 are matched with the first molding cavity 101 and the second molding cavity 102, and the polytetrafluoroethylene materials in the first molding cavity 101 and the second molding cavity 102 can be extruded and formed;

according to the above, the bottom surfaces inside the first molding cavity 101 and the second molding cavity 102 are both rotatably connected with the lead screw 5, the upper end of the lead screw 5 is inserted into the lifting platform 3 on the same side and is in threaded connection with the lifting platform 3, the lower end inside the lower die holder 1 is provided with the driving cavity 104 positioned below the first molding cavity 101 and the second molding cavity 102, the bottom of the lead screw 5 penetrates through the driving cavity 104, the driving gear 6 is installed at the bottom of the lead screw 5 on the first molding cavity 101, the driven gear 7 is installed at the bottom of the lead screw 5 on the second molding cavity 102, the driven gear 7 is positioned outside the driving gear 6 and is meshed with the driving gear 6, the bottom of the driving gear 6 is welded with the transmission shaft 8, and the bottom of the transmission shaft 8 penetrates through the lower die holder 1 and is provided with the rotating handle 9;

specifically, the rotating handle 9 is screwed to rotate, so that the driving gear 6 can be driven to rotate through the transmission shaft 8, when the driving gear 6 rotates, the driven gear 7 is meshed with the driving gear 6, so that the rotating driving gear 6 can drive all the driven gears 7 to rotate, and therefore the rotating driving gear 6 and the driven gears 7 can drive all the lead screws 5 to rotate, and when the lead screws 5 rotate, the lead screws 5 are in threaded connection with the lifting tables 3, so that the rotating lead screws 5 can push the corresponding lifting tables 3 to slide up and down in the first molding cavities 101 or the second molding cavities 102;

therefore, after the workpieces in the first molding cavity 101 and the second molding cavity 102 are molded by pressing, the rotating handle 9 is screwed to rotate and the lifting platform 3 slides upwards, so that the lifting platform 3 sliding upwards can push the workpieces to synchronously slide upwards and extend out of the first molding cavity 101 and the second molding cavity 102, and the workpieces molded by pressing can be conveniently collected;

according to above, the top and the bottom of spiral channel 103 all peg graft and have pipe joint 10, and pipe joint 10 can the connecting line, can let in heat medium or refrigerant in spiral channel 103 in the past through the pipeline, and when letting in heat medium in spiral channel 103, the heat medium can heat lower bolster 1 and work piece, when letting in the refrigerant in spiral channel 103, can cool off lower bolster 1 and work piece.

In conclusion:

through setting up first forming cavity 101 and a plurality of second forming cavity 102 on lower die holder 1, make the mould process a plurality of work pieces simultaneously like this, through all setting up elevating platform 3 in first forming cavity 101 and second forming cavity 102, after the work piece press forming in the mould, twist turning handle 9 and rotate, then the elevating platform 3 in first forming cavity 101 and the second forming cavity 102 just can upwards slide in step, thereby the ascending platform 3 that slides up can promote the work piece and upwards slide and extend first forming cavity 101 and second forming cavity 102, the work piece that can very convenient press forming in first forming cavity 101 and the second forming cavity 102 is collected like this;

through set up the spiral 103 in the die holder 1, when work piece compression moulding, can let in heat medium or refrigerant in the spiral 103, when letting in the heat medium in the spiral 103, the heat medium can heat die holder 1 and work piece, thereby make the work piece soften, the work piece is pressed the shaping more easily like this, when the spiral 103 lets in the refrigerant, the refrigerant can carry out cooling to die holder 1 and work piece, like this when the work piece by the compression moulding after, can accelerate the cooling shaping speed of work piece.

Claims

1. The utility model provides a bellows end embossing mold utensil, includes die holder (1) and upper die base (2), upper die base (2) are located die holder (1) directly over, its characterized in that:

the upper surface of the lower die holder (1) is provided with a first molding cavity (101) and a plurality of second molding cavities (102), the second molding cavities (102) are distributed on the periphery of the first molding cavity (101) in a centrosymmetric mode, the lower ends of the inner parts of the first molding cavity (101) and the second molding cavity (102) are respectively provided with a lifting table (3) capable of sliding up and down, a die core (4) is welded at the center of the upper surface of the lifting table (3), and a spiral channel (103) located on the outer side of the second molding cavities (102) is arranged in the lower die holder (1).

2. The bellows end compacting die of claim 1, wherein: the bottom surfaces of the interior of the first molding cavity (101) and the interior of the second molding cavity (102) are rotatably connected with a lead screw (5), and the upper end of the lead screw (5) is inserted into the lifting platform (3) on the same side and is in threaded connection with the lifting platform (3).

3. The bellows end compacting die of claim 2, wherein: the lower end of the inner part of the lower die holder (1) is provided with a driving cavity (104) which is positioned below the first molding cavity (101) and the second molding cavity (102), and the bottoms of the lead screws (5) penetrate through the inner part of the driving cavity (104).

4. A bellows end compacting die according to claim 3, wherein: the bottom of the screw rod (5) on the first molding cavity (101) is provided with a driving gear (6), the bottom of the screw rod (5) on the second molding cavity (102) is provided with a driven gear (7), and the driven gear (7) is positioned on the outer side of the driving gear (6) and meshed with the driving gear (6).

5. The bellows end compacting die of claim 4, wherein: the bottom of the driving gear (6) is welded with a transmission shaft (8), and the bottom of the transmission shaft (8) penetrates through the lower die holder (1) and is provided with a rotating handle (9).

6. The bellows end compacting die of claim 1, wherein: the die comprises an upper die holder (2), a plurality of pressing blocks (12) which correspond to a first molding cavity (101) and a second molding cavity (102) are welded at the bottom of the upper die holder (2), guide rods (11) are welded at the left end and the right end of the top of a lower die holder (1), and the upper ends of the guide rods (11) penetrate through the upper die holder (2) and are connected with the upper die holder (2) in a sliding mode.

7. The bellows end compacting die of claim 1, wherein: the top and the bottom of the spiral channel (103) are both inserted with pipe joints (10).