CN216465894U

CN216465894U - Mold for realizing two rotary core-pulling actions by using single driving mechanism

Info

Publication number: CN216465894U
Application number: CN202122917584.7U
Authority: CN
Inventors: 张后兵
Original assignee: Qingdao Yingxin Precision Mould Co ltd
Current assignee: Qingdao Yingxin Precision Mould Co ltd
Priority date: 2021-11-25
Filing date: 2021-11-25
Publication date: 2022-05-10
Anticipated expiration: 2031-11-25

Abstract

The utility model discloses a die for realizing two rotary core pulling actions by using a single driving mechanism, which comprises a bottom plate, wherein the front part and the rear part of the upper end of the bottom plate are respectively provided with a supporting block, the upper ends of the two supporting blocks are jointly provided with a lower die holder, the upper end of the lower die holder is provided with an upper die holder, the upper end of the upper die holder is provided with a middle plate, the upper end of the middle plate is provided with a top plate, and the upper end of the top plate is fixedly inserted with an injection pipe; the middle part of the upper end of the middle plate is provided with a box groove, the bottom surface of the box groove is provided with a pipe groove, the pipe groove penetrates through the lower end face of the middle plate, a guide box is installed in the box groove in a clamping mode, the upper end of the guide box is connected with the lower end of the injection pipe, and a drainage pipe is fixedly installed at the lower end of the guide box. The utility model realizes the synchronous movement of the push block and the vertical frame by utilizing one hydraulic cylinder, and has the advantages of compact structure, smaller volume, low use cost and convenient use.

Description

Mold for realizing two rotary core-pulling actions by using single driving mechanism

Technical Field

The utility model relates to the field of molds, in particular to a mold for realizing two rotary core-pulling actions by using a single driving mechanism.

Background

The mould is used for obtaining various moulds and tools of required products by injection molding, blow molding, extrusion, die casting or forging forming, smelting, stamping and other methods in industrial production. In short, a mold is a tool used to make a shaped article, the tool being made up of various parts, with different molds being made up of different parts. The processing of the appearance of an article is realized mainly through the change of the physical state of a formed material. An existing injection mold is provided with two driving mechanisms to achieve two rotary core pulling actions, and has the defects of being not compact in structure, large in size, high in use cost and inconvenient to use. Therefore, a mold with compact structure, small volume, low use cost and convenient use is needed to solve the problems.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems, the utility model provides a die for realizing two rotary core pulling actions by using a single driving mechanism, which has the advantages of compact structure, smaller volume, low use cost and convenient use.

The technical scheme of the utility model is as follows:

a die for realizing two rotary core pulling actions by using a single driving mechanism comprises a bottom plate, wherein a supporting block is respectively arranged at the front part and the rear part of the upper end of the bottom plate, a lower die holder is jointly arranged at the upper ends of the two supporting blocks, an upper die holder is arranged at the upper end of the lower die holder, a middle plate is arranged at the upper end of the upper die holder, a top plate is arranged at the upper end of the middle plate, and an injection pipe is fixedly inserted into the upper end of the top plate; a box groove is formed in the middle of the upper end of the middle plate, a pipe groove is formed in the bottom surface of the box groove, the pipe groove penetrates through the lower end face of the middle plate, a guide box is installed in the box groove in a clamping mode, the upper end of the guide box is connected with the lower end of the injection pipe, and a drainage pipe is fixedly installed at the lower end of the guide box; a lower die core mounting groove is formed in the middle of the upper end of the lower die base, a first through groove is formed in the side, close to the right side, of the bottom surface of the lower die core mounting groove, a second through groove is formed in the lower portion of the right end of the lower die base, and the second through groove is communicated with the first through groove; the upper end of the upper die holder is provided with a drainage tube hole, and the middle part of the lower end of the upper die holder is provided with an upper die core mounting groove; an upper mold core is installed in the upper mold core installation groove, the upper end of the upper mold core is provided with a slot and a drainage hole, the slot is positioned on one side of the drainage hole, the middle part of the lower end of the upper mold core is provided with a first movable groove, the right part of the lower end of the upper mold core is provided with a second movable groove, the second movable groove is communicated with the first movable groove, the slot and the drainage hole are respectively communicated with the first movable groove and the second movable groove, a first forming block is installed in the slot, and a second forming block is movably installed in the first movable groove and the second movable groove together; a lower core seat is arranged in the lower core mounting groove, a core body is arranged at the left part of the upper end of the lower core seat, a third movable groove is arranged at the right part of the upper end of the core body, a fourth movable groove is arranged on the right end surface of the core body, a fifth movable groove is arranged at the right part of the upper end of the lower core seat, a sixth movable groove is arranged in the middle of the bottom surface of the fifth movable groove, a mounting groove is arranged at the lower part of the right end of the lower core seat, and the mounting groove penetrates through the lower end surface of the lower core seat; the lower die comprises a lower die holder, a push block, a hydraulic cylinder, a first sliding groove, a second sliding groove, a third sliding groove, a fourth sliding groove, a fifth sliding groove, a sixth sliding groove, a seventh movable groove and a sixth sliding groove, wherein the lower part of the right end of the lower die holder is provided with the mounting frame, the right end of the mounting frame is provided with the hydraulic cylinder, the output end of the hydraulic cylinder penetrates through the left end face of the mounting frame and is provided with the push block, the upper end face of the push block is obliquely arranged towards the lower left, the front part and the rear part of the upper end face of the push block are respectively provided with the first sliding groove and the seventh movable groove, and the seventh movable groove penetrates through the lower end face of the push block; a stand is connected in the two first sliding grooves in a sliding mode, an eighth movable groove is formed in the upper portion of the left end of the stand, first rotating supports are fixedly mounted on the front portion of the left end and the rear portion of the left end of the stand, the eighth movable groove is located between the two first rotating supports, and a first rotating shaft is movably connected between the two first rotating supports in an inserting mode; a first rotating seat is movably sleeved on the first rotating shaft and movably arranged in the eighth moving groove, a first transmission block is fixedly installed at the left end of the first rotating seat, a first rotating seat is fixedly installed in the middle of the lower portion of the left end of the first transmission block, and a second rotating shaft is movably inserted in the first rotating seat; the left side of the first rotating seat is provided with a second rotating block, a second rotating support is fixedly arranged on the front portion of the right end and the rear portion of the right end of the second rotating block, the two second rotating supports are movably sleeved on the front portion of the outer cylindrical surface and the rear portion of the outer cylindrical surface of the second rotating shaft respectively, an auxiliary block is fixedly arranged on the right portion of the upper end of the second rotating block, the upper end surface of the auxiliary block is obliquely arranged towards the lower left side, a second sliding groove is formed in the upper end surface of the auxiliary block, a ninth movable groove is formed in the left portion of the upper end of the second rotating block, and the ninth movable groove penetrates through the lower end surface of the second rotating block; the movable groove comprises a nine-number movable groove and a nine-number movable groove, wherein a front inner wall surface and a rear inner wall surface of the nine-number movable groove are jointly inserted and movably connected with a third rotating shaft, a push rod is movably sleeved in the middle of an outer cylindrical surface of the third rotating shaft, a fourth rotating shaft is inserted and movably connected onto the push rod and is arranged below the third rotating shaft, the fourth rotating shaft is inserted and movably connected with the front inner wall surface and the rear inner wall surface of the seven-number movable groove, and the push rod is movably arranged in the nine-number movable groove and the seven-number movable groove respectively.

The working principle of the technical scheme is as follows:

during injection molding, a certain amount of molten raw materials are injected into the first movable groove and the second movable groove through the injection pipe, the guide box, the drainage pipe and the drainage hole, a product is formed by means of the first forming block, the second forming block and the core body, after the product is formed, the hydraulic cylinder is started, the hydraulic cylinder pulls the push block rightwards to enable the push block to slide rightwards in the second through groove, the vertical frame slides downwards in the installation groove under the action of the first sliding groove, the right sliding push block drives the second transmission block to rotate through the fourth rotating shaft, the push rod and the third rotating shaft, the second transmission block rotates anticlockwise around the second rotating shaft and moves downwards, the second forming block which is connected with the second sliding groove in a sliding mode can synchronously move downwards and slide downwards in the moving process of the second transmission block, the lower sliding vertical frame drives the first rotating support and the first rotating shaft to move downwards, and the arc piece is movably arranged in the fourth movable groove and is in movable contact with the groove bottom surface of the fourth movable groove, therefore, the first transmission block can rotate clockwise, and the right part of the first transmission block can move downwards, so that the second forming block is separated from the product, and the subsequent product can be taken out conveniently; this mould utilizes a pneumatic cylinder, and the pulling of pneumatic cylinder passes through ejector pad, push rod and grudging post and drives a transmission block and No. two transmission block synchronous revolution motion, realizes the effect of linkage, realizes loosing core in step, compact structure, volume are less, and use cost is low, convenient to use.

In a further technical scheme, the drainage tube penetrates through the tube groove, the lower end of the drainage tube penetrates through the drainage tube hole and extends into the upper mold core mounting groove, and the lower end of the drainage tube extends into the drainage tube hole.

Can play a role of introducing molten materials and realize injection molding.

In a further technical scheme, a shaping piece is L shape structure, the core is located a movable groove, the lower extreme left part of a shaping piece passes a movable groove and extends to No. three movable grooves, the lower terminal surface right part and the right-hand member face lower part of a shaping piece all with the external surface contact of No. two shaping pieces, it has the down tube to alternate swing joint jointly between a shaping piece and No. two shaping pieces, No. two shaping piece sliding connection just with the up end contact of No. two transmission pieces in No. two spouts.

The first forming block and the second forming block can play a role in forming.

In a further technical scheme, No. four movable grooves and No. three movable grooves communicate and run through the up end of core, No. five movable grooves set up around being, the mounting groove is the T-slot, the narrow one of mounting groove and No. three movable grooves and No. six movable grooves communicate mutually, ejector pad slidable mounting is at No. two logical inslots, and carries out the horizontal slip in No. two logical inslots, grudging post slidable mounting is in the wide one of mounting groove, and slides from top to bottom in the mounting groove.

Can realize the right side of ejector pad and the gliding of grudging post through the pulling of pneumatic cylinder, realize that a drive action realizes the effect of motion in two directions, realize the effect of linkage, and then realize utilizing single actuating mechanism to realize the effect of two rotatory actions of loosing core.

In a further technical scheme, a driving block activity sets up in No. six movable grooves, the left end upper portion fixed mounting of a driving block has the arc piece, the arc piece activity sets up in No. four movable grooves, the up end middle part undercut of a driving block is the rotation concave surface, the lower extreme activity of supplementary piece in rotate the concave surface and with the last surface activity contact of arc piece.

The first transmission block can move downwards and rotate, so that the first transmission block is pulled out of the original position, and a core pulling action is realized.

In a further technical scheme, No. two driving blocks and No. two shaping blocks all move about and set up in No. three movable grooves, kicking block and back kicking block before the front end and the rear end of a driving block movable mounting respectively, preceding kicking block and back kicking block all set up in No. five movable grooves.

The auxiliary transmission block can play a role in assisting the first transmission block and assisting the forming.

In a further technical scheme, mounting blocks are movably sleeved on the front portion of the outer cylindrical surface and the rear portion of the outer cylindrical surface of the second rotating shaft, the two mounting blocks are mounted at the lower end of the lower core seat, and the lower end faces of the two mounting blocks are flush with the lower end face of the lower core seat.

The function of supporting the second rotating shaft can be achieved, and meanwhile, the sliding of the lower core seat is not influenced.

In a further technical scheme, guide rods are respectively inserted and installed at four corners of the upper end of the lower die base, guide holes are respectively formed at four corners of the lower end of the upper die base, and the four guide rods are respectively movably arranged in the four guide holes.

The method can play a role in improving the mold closing accuracy.

In a further technical scheme, hangers are mounted on the upper portion of the right end of the lower die holder and the right end of the upper die holder, and lifting hooks are mounted at four corners of the upper end of the top plate.

The lifting hook can be used for conveniently lifting and transferring vertically, and the hanging rack can be used for conveniently pulling and overturning the die.

In a further technical scheme, a group of support columns is fixedly mounted at the left end of the support block, the left end of the lower die holder, the left end of the upper die holder and the left end of the middle plate, and the support columns are arranged in two groups and distributed in the front and back directions.

Through the support column, after this mould upset messenger left end face down, can realize the support to this mould, facilitate the use.

The utility model has the beneficial effects that:

1. this mould utilizes a pneumatic cylinder, and the pulling of pneumatic cylinder passes through ejector pad, push rod and grudging post and drives a transmission block and No. two transmission block movements, realizes the right side of ejector pad and the gliding of grudging post, realizes the effect that a drive action realized two direction upward movements, realizes the effect of linkage, and then realizes utilizing single actuating mechanism to realize two rotatory effects of loosing core actions, compact structure, volume are less, and use cost is low, convenient to use.

2. The lifting hook can be used for conveniently lifting and transferring vertically, and the hanging rack can be used for conveniently pulling and overturning the die.

3. Through the support column, after this mould upset messenger left end face down, can realize the support to this mould, facilitate the use.

Drawings

FIG. 1 is a schematic overall structure diagram of a mold for implementing two rotary core-pulling actions by using a single driving mechanism according to an embodiment of the present invention;

FIG. 2 is a schematic view of the overall structure of the lower die holder according to the embodiment of the present invention;

FIG. 3 is a schematic bottom view of the lower die holder according to the embodiment of the present invention;

FIG. 4 is a schematic view of the overall structure of the upper die base according to the embodiment of the utility model;

FIG. 5 is a schematic bottom view of the upper die base according to the embodiment of the utility model;

FIG. 6 is a schematic diagram of the positions of the box groove and the tube groove on the upper die holder according to the embodiment of the utility model;

FIG. 7 is a schematic view of the overall structure of the upper mold core according to the embodiment of the present invention;

FIG. 8 is a schematic bottom view of the upper core according to the embodiment of the present invention;

FIG. 9 is a schematic diagram of the mating of the first forming block and the second forming block according to the embodiment of the present invention;

FIG. 10 is a schematic structural view of a lower core print according to an embodiment of the present invention;

FIG. 11 is a schematic diagram of the components driven by the hydraulic cylinder according to the embodiment of the present invention;

FIG. 12 is a schematic structural diagram of the stand, the first transmission block and the second transmission block according to the embodiment of the utility model;

FIG. 13 is a schematic view of the core in cooperation with a first forming block and an auxiliary block according to an embodiment of the present invention;

description of reference numerals:

1. a base plate; 2. a support block; 3. a lower die holder; 31. a lower die core mounting groove; 32. a first-order through groove; 33. a second through groove; 34. a guide bar; 4. an upper die holder; 41. a drainage tube hole; 42. an upper die core mounting groove; 43. a guide hole; 5. a middle plate; 51. a box groove; 52. a pipe groove; 6. a top plate; 7. an injection pipe; 71. a guide box; 72. a drainage tube; 8. an upper mold core; 81. a slot; 82. a drainage hole; 83. a first movable groove; 84. a second movable groove; 9. a first forming block; 10. forming a second forming block; 11. a diagonal bar; 12. a lower core print seat; 121. a core body; 122. a third movable groove; 123. a fourth movable groove; 124. a fifth movable groove; 125. a number six movable groove; 126. mounting grooves; 13. a mounting frame; 14. a hydraulic cylinder; 15. a push block; 151. a first chute; 152. a number seven movable groove; 16. erecting a frame; 161. a movable groove No. eight; 162. a first rotating support; 163. a first rotating shaft; 17. a first transmission block; 171. rotating the concave surface; 172. a first rotating seat; 173. a second rotating seat; 174. an arc sheet; 18. a second rotating shaft; 19. a second transmission block; 191. a second rotating support; 192. a movable groove No. nine; 193. an auxiliary block; 194. a second chute; 20. a third rotating shaft; 21. a push rod; 22. a fourth rotating shaft; 23. mounting blocks; 24. a front top block; 25. a rear ejector block; 26. a hanger; 27. a hook; 28. and (4) a support column.

Detailed Description

The embodiments of the present invention will be further described with reference to the accompanying drawings.

Example (b):

as shown in fig. 1 to 13, a mold for implementing two rotary core pulling actions by using a single driving mechanism includes a bottom plate 1, wherein a support block 2 is respectively installed at the front part and the rear part of the upper end of the bottom plate 1, a lower mold base 3 is installed at the upper ends of the two support blocks 2, an upper mold base 4 is arranged at the upper end of the lower mold base 3, a middle plate 5 is installed at the upper end of the upper mold base 4, a top plate 6 is installed at the upper end of the middle plate 5, and an injection pipe 7 is fixedly inserted into the upper end of the top plate 6; a box groove 51 is formed in the middle of the upper end of the middle plate 5, a pipe groove 52 is formed in the bottom surface of the box groove 51, the pipe groove 52 penetrates through the lower end surface of the middle plate 5, a guide box 71 is mounted in the box groove 51 in a clamping manner, the upper end of the guide box 71 is connected with the lower end of the injection pipe 7, and a drainage pipe 72 is fixedly mounted at the lower end of the guide box 71; a lower mold core mounting groove 31 is formed in the middle of the upper end of the lower mold base 3, a first through groove 32 is formed in the side, close to the right, of the bottom surface of the lower mold core mounting groove 31, a second through groove 33 is formed in the lower portion of the right end of the lower mold base 3, and the second through groove 33 is communicated with the first through groove 32; the upper end of the upper die holder 4 is provided with a drainage tube hole 41, and the middle part of the lower end of the upper die holder 4 is provided with an upper die core installation groove 42; an upper mold core 8 is installed in the upper mold core installation groove 42, the upper end of the upper mold core 8 is provided with a slot 81 and a drainage hole 82, the slot 81 is located on one side of the drainage hole 82, the middle part of the lower end of the upper mold core 8 is provided with a first movable groove 83, the right part of the lower end of the upper mold core 8 is provided with a second movable groove 84, the second movable groove 84 is communicated with the first movable groove 83, the slot 81 and the drainage hole 82 are respectively communicated with the first movable groove 83 and the second movable groove 84, a first forming block 9 is installed in the slot 81, and a second forming block 10 is movably installed in the first movable groove 83 and the second movable groove 84; a lower core print 12 is installed in the lower core print installation groove 31, a core body 121 is installed at the left part of the upper end of the lower core print 12, a third movable groove 122 is opened at the right part of the upper end of the core body 121, a fourth movable groove 123 is opened on the right end surface of the core body 121, a fifth movable groove 124 is opened at the right part of the upper end of the lower core print 12, a sixth movable groove 125 is opened in the middle of the bottom surface of the fifth movable groove 124, an installation groove 126 is opened at the lower part of the right end of the lower core print 12, and the installation groove 126 penetrates through the lower end surface of the lower core print 12; a mounting frame 13 is mounted at the lower part of the right end of the lower die holder 3, a hydraulic cylinder 14 is mounted at the right end of the mounting frame 13, the output end of the hydraulic cylinder 14 penetrates through the left end face of the mounting frame 13 and is provided with a push block 15, the upper end face of the push block 15 is obliquely arranged towards the lower left, a first sliding groove 151 is formed in the front part of the upper end face of the push block 15 and the rear part of the upper end face of the push block, a seventh movable groove 152 is formed in the middle of the left part of the upper end face of the push block 15, and the seventh movable groove 152 penetrates through the lower end face of the push block 15; a stand 16 is connected in the two first sliding grooves 151 in a sliding manner, an eighth movable groove 161 is formed in the upper portion of the left end of the stand 16, a first rotating support 162 is fixedly installed on each of the front portion and the rear portion of the left end of the stand 16, the eighth movable groove 161 is located between the two first rotating supports 162, and a first rotating shaft 163 is movably connected between the two first rotating supports 162 in a penetrating manner; a second rotating seat 173 is movably sleeved on the first rotating shaft 163, the second rotating seat 173 is movably arranged in the eighth moving groove 161, a first transmission block 17 is fixedly installed at the left end of the second rotating seat 173, a first rotating seat 172 is fixedly installed in the middle of the lower portion of the left end of the first transmission block 17, and a second rotating shaft 18 is movably installed on the first rotating seat 172 in a penetrating manner; a second transmission block 19 is arranged on the left side of the first transmission seat 172, a second transmission support 191 is fixedly arranged on the front portion of the right end and the rear portion of the right end of the second transmission block 19, the two second transmission supports 191 are movably sleeved on the front portion of the outer cylindrical surface and the rear portion of the outer cylindrical surface of the second rotating shaft 18 respectively, an auxiliary block 193 is fixedly arranged on the right portion of the upper end of the second transmission block 19, the upper end surface of the auxiliary block 193 is obliquely arranged towards the lower left side, a second sliding groove 194 is formed in the upper end surface of the auxiliary block 193, a ninth movable groove 192 is formed in the left portion of the upper end of the second transmission block 19, and the ninth movable groove 192 penetrates through the lower end surface of the second transmission block 19; a third rotating shaft 20 is movably inserted between the front inner wall surface and the rear inner wall surface of the ninth movable groove 192, a push rod 21 is movably sleeved in the middle of the outer cylindrical surface of the third rotating shaft 20, a fourth rotating shaft 22 is movably connected to the push rod 21 in an inserted manner, the fourth rotating shaft 22 is arranged below the third rotating shaft 20, the fourth rotating shaft 22 is movably connected with the front inner wall surface and the rear inner wall surface of the seventh movable groove 152 in an inserted manner, and the push rod 21 is movably arranged in the ninth movable groove 192 and the seventh movable groove 152 respectively.

The working principle of the technical scheme is as follows:

during injection molding, a certain amount of molten raw materials are injected into the first movable groove 83 and the second movable groove 84 through the injection pipe 7, the guide box 71, the drainage pipe 72 and the drainage hole 82, a product is formed by means of the first forming block 9, the second forming block 10 and the core body 121, after the product is formed, the hydraulic cylinder 14 is started, the hydraulic cylinder 14 pulls the push block 15 rightwards, the push block 15 slides rightwards in the second through groove 33, the stand 16 slides downwards in the installation groove 126 under the action of the first sliding groove 151, the right sliding push block 15 drives the second transmission block 19 to rotate through the fourth rotating shaft 22, the push rod 21 and the third rotating shaft 20, the second transmission block 19 rotates anticlockwise around the second rotating shaft 18 and moves downwards, the second forming block 10 connected to the second sliding groove 194 in a sliding mode simultaneously moves downwards and slides, the lower sliding stand 16 drives the first rotating support 162 and the first rotating shaft 163 to move downwards, because the arc piece 174 is movably arranged in the fourth movable groove 123 and is movably contacted with the bottom surface of the fourth movable groove 123, the first transmission block 17 can rotate clockwise, and the right part of the first transmission block 17 can move downwards, so that the second forming block 10 is separated from the product, and the subsequent product can be taken out conveniently; this mould utilizes a pneumatic cylinder 14, and the pulling of pneumatic cylinder 14 passes through ejector pad 15, push rod 21 and grudging post 16 and drives a driving block 17 and No. two driving block 19 synchronous revolution motion, realizes the effect of linkage, realizes loosing core in step, and compact structure, volume are less, and use cost is low, convenient to use.

In another embodiment, the draft tube 72 passes through the tube groove 52, the lower end of the draft tube 72 passes through the draft tube hole 41 and extends into the upper die core mounting groove 42, and the lower end of the draft tube 72 extends into the draft hole 82; can play a role of introducing molten materials and realize injection molding.

In another embodiment, the first forming block 9 is an L-shaped structure, the core body 121 is located in the first movable groove 83, the left lower end of the first forming block 9 passes through the first movable groove 83 and extends into the third movable groove 122, the right lower end and the lower right end of the first forming block 9 are both in contact with the outer surface of the second forming block 10, an inclined rod 11 is jointly inserted and movably connected between the first forming block 9 and the second forming block 10, and the second forming block 10 is slidably connected in the second sliding groove 194 and is in contact with the upper end surface of the second transmission block 19; the first forming block 9 and the second forming block 10 can play a role in forming.

In another embodiment, the fourth movable groove 123 is communicated with the third movable groove 122 and penetrates through the upper end surface of the core body 121, the fifth movable groove 124 is arranged in front and back, the mounting groove 126 is a T-shaped groove, a narrow part of the mounting groove 126 is communicated with the third movable groove 122 and the sixth movable groove 125, the push block 15 is slidably mounted in the second through groove 33 and slides left and right in the second through groove 33, and the stand 16 is slidably mounted in a wide part of the mounting groove 126 and slides up and down in the mounting groove 126; the right sliding of the push block 15 and the sliding of the vertical frame 16 can be realized by pulling the hydraulic cylinder 14, the effect of realizing the movement in two directions by one driving action is realized, the linkage effect is realized, and then the effect of realizing two rotary core pulling actions by using a single driving mechanism is realized.

In another embodiment, the first transmission block 17 is movably arranged in the sixth movable groove 125, an arc piece 174 is fixedly arranged at the upper part of the left end of the first transmission block 17, the arc piece 174 is movably arranged in the fourth movable groove 123, the middle part of the upper end surface of the first transmission block 17 is downwards sunken to form a rotating concave surface 171, and the lower end of the auxiliary block 193 is movably arranged in the rotating concave surface 171 and is in movable contact with the upper surface of the arc piece 174; the first transmission block 17 can move downwards and rotate, the first transmission block 17 is pulled out of the original position, and a core pulling action is realized.

In another embodiment, the second transmission block 19 and the second forming block 10 are movably arranged in the third movable groove 122, the front end and the rear end of the first transmission block 17 are respectively movably provided with a front top block 24 and a rear top block 25, and the front top block 24 and the rear top block 25 are both arranged in the fifth movable groove 124; can play the role of assisting the first transmission block 17 and play an auxiliary role in forming.

In another embodiment, the front part and the rear part of the outer cylindrical surface of the second rotating shaft 18 are movably sleeved with mounting blocks 23, the two mounting blocks 23 are mounted at the lower end of the lower core print 12, and the lower end surfaces of the two mounting blocks 23 are flush with the lower end surface of the lower core print 12; can play the role of supporting the second rotating shaft 18 without influencing the sliding of the lower core print 12.

In another embodiment, guide rods 34 are respectively inserted and installed at four corners of the upper end of the lower die holder 3, guide holes 43 are respectively formed at four corners of the lower end of the upper die holder 4, and the four guide rods 34 are respectively movably arranged in the four guide holes 43; the method can play a role in improving the mold closing accuracy.

In another embodiment, hanging racks 26 are respectively installed at the upper part of the right end of the lower die holder 3 and the right end of the upper die holder 4, and hooks 27 are respectively installed at four corners of the upper end of the top plate 6; the lifting hook 27 can be used for facilitating vertical lifting and transferring, and the hanging rack 26 can be used for facilitating pulling and overturning of the die.

A group of support pillars 28 is fixedly mounted at the left end of the support block 2, the left end of the lower die holder 3, the left end of the upper die holder 4 and the left end of the middle plate 5, and the two support pillars 28 are arranged in two groups and distributed in a front-back manner; through support column 28, after this mould upset messenger's left end face down, can realize the support to this mould, facilitate the use.

The above-mentioned embodiments only express the specific embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.

Claims

1. A die for realizing two rotary core pulling actions by using a single driving mechanism comprises a bottom plate and is characterized in that a supporting block is respectively arranged at the front part and the rear part of the upper end of the bottom plate, a lower die holder is jointly arranged at the upper ends of the two supporting blocks, an upper die holder is arranged at the upper end of the lower die holder, a middle plate is arranged at the upper end of the upper die holder, a top plate is arranged at the upper end of the middle plate, and an injection pipe is fixedly inserted into the upper end of the top plate; a box groove is formed in the middle of the upper end of the middle plate, a pipe groove is formed in the bottom surface of the box groove, the pipe groove penetrates through the lower end face of the middle plate, a guide box is installed in the box groove in a clamping mode, the upper end of the guide box is connected with the lower end of the injection pipe, and a drainage pipe is fixedly installed at the lower end of the guide box; a lower die core mounting groove is formed in the middle of the upper end of the lower die base, a first through groove is formed in the side, close to the right side, of the bottom surface of the lower die core mounting groove, a second through groove is formed in the lower portion of the right end of the lower die base, and the second through groove is communicated with the first through groove; the upper end of the upper die holder is provided with a drainage tube hole, and the middle part of the lower end of the upper die holder is provided with an upper die core mounting groove; an upper mold core is installed in the upper mold core installation groove, the upper end of the upper mold core is provided with a slot and a drainage hole, the slot is positioned on one side of the drainage hole, the middle part of the lower end of the upper mold core is provided with a first movable groove, the right part of the lower end of the upper mold core is provided with a second movable groove, the second movable groove is communicated with the first movable groove, the slot and the drainage hole are respectively communicated with the first movable groove and the second movable groove, a first forming block is installed in the slot, and a second forming block is movably installed in the first movable groove and the second movable groove together; a lower core seat is arranged in the lower core mounting groove, a core body is arranged at the left part of the upper end of the lower core seat, a third movable groove is arranged at the right part of the upper end of the core body, a fourth movable groove is arranged on the right end surface of the core body, a fifth movable groove is arranged at the right part of the upper end of the lower core seat, a sixth movable groove is arranged in the middle of the bottom surface of the fifth movable groove, a mounting groove is arranged at the lower part of the right end of the lower core seat, and the mounting groove penetrates through the lower end surface of the lower core seat; the lower die comprises a lower die holder, a push block, a hydraulic cylinder, a first sliding groove, a second sliding groove, a third sliding groove, a fourth sliding groove, a fifth sliding groove, a sixth sliding groove, a seventh movable groove and a sixth sliding groove, wherein the lower part of the right end of the lower die holder is provided with the mounting frame, the right end of the mounting frame is provided with the hydraulic cylinder, the output end of the hydraulic cylinder penetrates through the left end face of the mounting frame and is provided with the push block, the upper end face of the push block is obliquely arranged towards the lower left, the front part and the rear part of the upper end face of the push block are respectively provided with the first sliding groove and the seventh movable groove, and the seventh movable groove penetrates through the lower end face of the push block; a stand is connected in the two first sliding grooves in a sliding mode, an eighth movable groove is formed in the upper portion of the left end of the stand, first rotating supports are fixedly mounted on the front portion of the left end and the rear portion of the left end of the stand, the eighth movable groove is located between the two first rotating supports, and a first rotating shaft is movably connected between the two first rotating supports in an inserting mode; a first rotating seat is movably sleeved on the first rotating shaft and movably arranged in the eighth moving groove, a first transmission block is fixedly installed at the left end of the first rotating seat, a first rotating seat is fixedly installed in the middle of the lower portion of the left end of the first transmission block, and a second rotating shaft is movably inserted in the first rotating seat; the left side of the first rotating seat is provided with a second rotating block, a second rotating support is fixedly arranged on the front portion of the right end and the rear portion of the right end of the second rotating block, the two second rotating supports are movably sleeved on the front portion of the outer cylindrical surface and the rear portion of the outer cylindrical surface of the second rotating shaft respectively, an auxiliary block is fixedly arranged on the right portion of the upper end of the second rotating block, the upper end surface of the auxiliary block is obliquely arranged towards the lower left side, a second sliding groove is formed in the upper end surface of the auxiliary block, a ninth movable groove is formed in the left portion of the upper end of the second rotating block, and the ninth movable groove penetrates through the lower end surface of the second rotating block; the movable groove comprises a nine-number movable groove and a nine-number movable groove, wherein a front inner wall surface and a rear inner wall surface of the nine-number movable groove are jointly inserted and movably connected with a third rotating shaft, a push rod is movably sleeved in the middle of an outer cylindrical surface of the third rotating shaft, a fourth rotating shaft is inserted and movably connected onto the push rod and is arranged below the third rotating shaft, the fourth rotating shaft is inserted and movably connected with the front inner wall surface and the rear inner wall surface of the seven-number movable groove, and the push rod is movably arranged in the nine-number movable groove and the seven-number movable groove respectively.

2. The mold for realizing two rotary core pulling actions by using the single driving mechanism according to claim 1, wherein the drainage tube passes through the tube slot, the lower end of the drainage tube passes through the drainage tube hole and extends into the upper mold core mounting groove, and the lower end of the drainage tube extends into the drainage hole.

3. The mold for realizing two rotary core pulling actions by using the single driving mechanism according to claim 1, wherein the first forming block is of an L-shaped structure, the core body is located in the first movable groove, the left lower end of the first forming block penetrates through the first movable groove and extends into the third movable groove, the right lower end face and the right lower end face of the first forming block are both in contact with the outer surface of the second forming block, an inclined rod is movably inserted between the first forming block and the second forming block, and the second forming block is slidably connected in the second sliding groove and in contact with the upper end face of the second transmission block.

4. The mold for realizing two rotary core pulling actions by using the single driving mechanism according to claim 1, wherein the fourth movable groove is communicated with the third movable groove and penetrates through the upper end surface of the core body, the fifth movable groove is arranged in a front-back manner, the mounting groove is a T-shaped groove, a narrow part of the mounting groove is communicated with the third movable groove and the sixth movable groove, the push block is slidably mounted in the second through groove and slides left and right in the second through groove, and the stand is slidably mounted in a wide part of the mounting groove and slides up and down in the mounting groove.

5. The mold for realizing two rotary core pulling actions by using the single driving mechanism according to claim 1, wherein the first driving block is movably arranged in a sixth movable groove, an arc piece is fixedly arranged at the upper part of the left end of the first driving block, the arc piece is movably arranged in a fourth movable groove, the middle part of the upper end surface of the first driving block is downwards sunken to form a rotating concave surface, and the lower end of the auxiliary block is movably in the rotating concave surface and is in movable contact with the upper surface of the arc piece.

6. The mold for realizing two rotary core pulling actions by using the single driving mechanism according to claim 1, wherein the second transmission block and the second forming block are movably arranged in a third movable groove, the front end and the rear end of the first transmission block are respectively and movably provided with a front ejector block and a rear ejector block, and the front ejector block and the rear ejector block are both arranged in a fifth movable groove.

7. The mold for realizing two rotary core pulling actions by using the single driving mechanism according to claim 1, wherein mounting blocks are movably sleeved on the front portion of the outer cylindrical surface and the rear portion of the outer cylindrical surface of the second rotating shaft, the two mounting blocks are mounted at the lower end of the lower core holder, and the lower end surfaces of the two mounting blocks are flush with the lower end surface of the lower core holder.

8. The mold for realizing two rotary core pulling actions by using the single driving mechanism as claimed in claim 1, wherein guide rods are respectively inserted and installed at four corners of the upper end of the lower mold base, guide holes are respectively formed at four corners of the lower end of the upper mold base, and the four guide rods are respectively and movably arranged in the four guide holes.

9. The mold for realizing two rotary core pulling actions by using the single driving mechanism as claimed in claim 1, wherein the upper part of the right end of the lower mold base and the right end of the upper mold base are respectively provided with a hanging rack, and four corners of the upper end of the top plate are respectively provided with a hanging hook.

10. The mold according to claim 1, wherein a set of two support pillars are fixedly installed at each of the left end of the support block, the left end of the lower mold base, the left end of the upper mold base, and the left end of the middle plate, and the two support pillars are arranged in two groups and distributed in a front-back direction.