CN211334433U - Thread removing device for producing bouncing outer cover die - Google Patents

Abstract

The utility model relates to a thread removing device for producing a bounce outer cover die, which comprises a movable die component and a fixed die component, wherein the movable die component is internally provided with the thread removing component, the thread removing component comprises a first driving piece, a second driving piece, a moving block, a first slide block and a second slide block, the moving block is in a quadrangular frustum pyramid shape, and the table board of moving the piece is close to the cover half subassembly, first slider with move the relative both sides of piece and slide the cooperation, the second slider with move the piece, first slider slides the cooperation, it is located between first slider, the second slider to move the piece, the whole that first slider, second slider made up is laminated with the product is inside mutually, first driving piece with move the piece and be connected, the second driving piece is connected with the second slider, first driving piece drive moves the piece and drives first slider and draw close each other, the second driving piece drive second slider draws close each other, first slider, second slider and product separation. The utility model discloses have the effect to the quick drawing of patterns of product.

Description

Thread removing device for producing bouncing outer cover die

Technical Field

The utility model belongs to the technical field of injection mold's technique and specifically relates to a take off screw thread device for producing spring enclosing cover mould is related to.

Background

Currently, an injection mold is a tool for producing plastic products, and is also a tool for giving the plastic products complete structure and precise dimensions. Injection molding is a processing method used for mass production of parts with complex shapes, and particularly relates to a method for injecting heated and melted plastic into a mold cavity from an injection molding machine at high pressure, and obtaining a formed product after cooling and solidification.

In the existing design at present, refer to fig. 1 and fig. 2, a bounce enclosing cover, including lid 1, the both sides of lid 1 have the opening, one side opening part integrated into one piece of lid 1 has the rotation portion 2 that is used for with the pivot fit of bounce upper cover, the lateral wall integrated into one piece that lid 1 kept away from rotation portion 2 has butt board 3, offer the locking hole 4 that is used for the stop pin on the curb plate of butt board 3, be provided with the buckling parts between the butt board 3, integrated into one piece has protrusion in the internal thread 5 of lid 1 inner wall on the inner wall of lid 1, the lateral wall of internal thread 5 is provided with a plurality of lug 6, lug 6 and internal thread 5, lid 1 integrated into one piece.

The existing design scheme has the following defects that the inner wall of the cover body of the bouncing outer cover is integrally formed with an internal thread, and meanwhile, the inner wall of the bouncing outer cover is provided with a lug, so that the conventional mold opening is realized, and the external thread on the movable mold and the internal thread on the inner wall of the cover body cannot be normally demolded due to the interference of the lug.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a take off screw thread device for producing spring enclosing cover mould, it has the effect to the quick drawing of patterns of product.

The above object of the present invention can be achieved by the following technical solutions:

the utility model provides a take off threaded device for producing spring enclosing cover mould, includes movable mould subassembly and cover half subassembly, the injection moulding of product is accomplished with compound die, the branch mould of cover half subassembly to the movable mould subassembly, its characterized in that: the moving die assembly is internally provided with a thread removing assembly, the thread removing assembly comprises a first driving piece, a second driving piece, a moving block, a first sliding block and a second sliding block, the moving block is in a quadrangular frustum pyramid shape, the table surface of the moving block is close to the fixed die assembly, the first sliding block is in sliding fit with the two opposite sides of the moving block, the two opposite side surfaces of the first sliding block, which are adjacent to the sliding surface of the moving block, are coplanar with the other two side surfaces of the moving block, the second sliding block is in sliding fit with the moving block and the first sliding block, the moving block is positioned between the first sliding block and the second sliding block, the whole formed by combining the first sliding block and the second sliding block is attached to the inside of a product, the first driving piece is connected with the moving block, the second driving piece is connected with the second sliding block, the first driving piece drives the moving block to move towards the opening direction of the product to drive the first sliding block to approach each other, and the second driving piece drives, the second sliding blocks are close to each other, and the first sliding blocks and the second sliding blocks are separated from the product.

Through the technical scheme, during the die sinking, because be provided with internal thread plus lug on the bounce enclosing cover, set up corresponding external screw thread and recess on the thread component of taking off, during the thread of taking off, first driving piece drive shift block moves towards one side motion of movable mould base, drive two first sliders and shift block slip phase to phase shift, make first slider and bounce enclosing cover break away from, second driving piece drive second slider is along the motion of sliding in the opposite direction with taking out a piece motion, two second sliders draw close each other, make second slider and bounce enclosing cover break away from, shift the piece, first slider, mutually supporting of second slider, break away from mutually with the bounce enclosing cover, the quick die sinking of easily bounce enclosing cover.

The utility model discloses further set up to: a trapezoidal slide way is arranged on the first slide block, and a trapezoidal block matched with the slide way in a sliding mode is arranged on the moving block.

Through above-mentioned technical scheme, during the die sinking, the cooperation of sliding of trapezoidal piece and slide, when moving the piece motion, drive two first sliders and the trend that moves the piece together, receive the internal thread hindrance of spring enclosing cover for first slider and moving the piece and taking place relative motion, first slider draws close in opposite directions, makes first slider and spring enclosing cover break away from.

The utility model discloses further set up to: the movable mould subassembly includes movable mould base, moulding foot, thimble board, fixed plate, elastic backing plate, movable mould board and coreboard, the moulding foot is fixed on one side both ends that the movable mould base is close to the cover half subassembly, the elastic backing plate is fixed in one side that the moulding foot is close to the cover half subassembly, the movable mould board is installed in one side that the moulding foot was kept away from to the elastic backing plate, the coreboard is installed in one side that the elastic backing plate was kept away from to the movable mould board, thimble board, fixed plate are located between movable mould base and the elastic backing plate, and the thimble board is fixed in one side that the fixed plate is close to the elastic backing plate, one side of movable mould base towards the cover half subassembly is fixed to first driving piece, set up the standing.

Through above-mentioned technical scheme, the standing groove of seting up on thimble board, the fixed plate for thimble board and fixed plate can not cause the interference with first driving piece at the in-process of motion, have guaranteed the stability of first driving piece.

The utility model discloses further set up to: one side that the second slider deviates from the cover half subassembly is provided with along the second slider with move the dead lever of piece glide plane direction, be fixed with on the thimble board and keep away from the ejector pad that second slider one end slided and is connected with the dead lever, the removal of second driving piece drive thimble board drives the motion of second slider.

Through the technical scheme, the second driving piece drives the ejector plate to move to drive the ejector block on the ejector plate to move, so that the fixed rods connected with the ejector block in a sliding mode are driven to be fixed, the synchronous movement of the two fixed rods is guaranteed, the two second sliding blocks can move synchronously, and the rapid demoulding of products is facilitated.

The utility model discloses further set up to: the ejector block is provided with a sliding groove, and the fixed rod is provided with a sliding block matched with the sliding groove.

Through the technical scheme, the sliding cooperation of the sliding groove and the sliding block facilitates the opposite movement of the two fixing rods, so that the second sliding block is driven to move in opposite directions, and the stability of the movement of the fixing rods is ensured.

The utility model discloses further set up to: the second driving piece is fixed on one side of the movable mold base, which is far away from the ejector plate, and the second driving piece penetrates through the movable mold base to be connected with the ejector plate.

Through the technical scheme, the second driving piece is fixed on the movable die base and can stably drive the ejector plate, so that the second sliding block is separated from the inner thread of a product, and the product is ejected and separated from the core plate, and the product can be conveniently taken out.

The utility model discloses further set up to: the movable die plate is provided with a cavity, a die holder is arranged in the cavity, the first sliding block and the second sliding block are arranged on the die holder, and the die holder is provided with a guide groove corresponding to the fixed rod.

Through above-mentioned technical scheme, the dead lever on the second slider slides with the guide way cooperation on the die holder, has improved the stability of second slider motion, and the second slider of being convenient for breaks away from with the product internal thread steadily mutually.

The utility model discloses further set up to: the elastic cushion plate is provided with a positioning plate, and the positioning plate is provided with guide holes corresponding to the moving blocks and the fixing rods.

Through above-mentioned technical scheme, the dead lever, move the piece and can move along the direction of guiding hole steadily, further improved the stability of first slider, second slider motion, be convenient for first slider, second slider break away from with the product internal thread steadily mutually.

To sum up, the utility model discloses a following at least one beneficial effect:

1. when the mold is opened, because the inner thread external lug is arranged on the bouncing outer cover, the corresponding outer thread and the groove are arranged on the thread-removing component, when the thread is removed, the first driving piece drives the moving block to move towards one side of the movable mold base to drive the two first sliding blocks and the moving block to move in opposite directions in a sliding way, so that the first sliding block is separated from the bouncing outer cover, the second driving piece drives the second sliding block to do sliding motion along the direction opposite to the block-drawing motion, the two second sliding blocks are mutually closed, so that the second sliding block is separated from the bouncing outer cover, and the moving block, the first sliding block and the second sliding block are mutually matched and separated from the bouncing outer cover, so that the mold is easily opened quickly for;

2. when the die is opened, the trapezoidal block is matched with the slide way in a sliding manner, and when the moving block moves, the trend that the two first sliding blocks and the moving block move together is driven to be hindered by the internal thread of the bouncing outer cover, so that the first sliding blocks and the moving block move relatively, the first sliding blocks approach in opposite directions, and the first sliding blocks are separated from the bouncing outer cover;

3. the ejector plate is driven by the second driving piece to move, the ejector block on the ejector plate is driven to move, so that the fixed rods connected with the ejector block in a sliding mode are driven to be fixed, the synchronous motion of the two fixed rods is guaranteed, the two second sliding blocks can move synchronously, and the rapid demoulding of products is facilitated.

Drawings

FIG. 1 is a schematic structural view of the prior art, mainly showing a rotating part;

FIG. 2 is a schematic structural view of the prior art, primarily showing internal threads;

FIG. 3 is an exploded view of a thread stripping apparatus for producing a pop-up cover mold;

FIG. 4 is a schematic view of a set mold assembly in a thread stripping apparatus for producing a pop-up cap mold;

FIG. 5 is an exploded view of a moving die assembly in a thread stripping apparatus for producing a pop-up overmold mold;

fig. 6 is an exploded view of a thread stripping assembly in a thread stripping apparatus for producing a pop-up cap mold.

Reference numerals: 1. a cover body; 2. a rotating part; 3. a butt joint plate; 4. a locking hole; 5. an internal thread; 6. a bump; 7. a movable die assembly; 71. a movable mold base; 72. a mould leg; 73. an ejector plate; 74. a fixing plate; 75. an elastic backing plate; 76. moving the template; 761. a cavity; 77. a core plate; 8. a stationary die assembly; 81. fixing a template; 82. a fixed die bottom plate; 9. a thread removal assembly; 91. a first driving member; 92. a second driving member; 93. moving the block; 931. a trapezoidal block; 94. a first slider; 941. a slideway; 95. a second slider; 10. a placement groove; 11. fixing the rod; 12. a top block; 121. a chute; 13. a sliding block; 14. a die holder; 141. a guide groove; 15. positioning a plate; 151. a guide hole; 16. an inclined guide rod; 17. a guide post; 18. forming a sliding block; 181. a molding cavity; 19. a guide block; 20. an insert; 21. locking the slide block; 22. a limiting block; 23. and (4) guiding the hole.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Combine fig. 3, for the utility model discloses a thread take-off device for producing spring enclosing cover mould, including movable mould subassembly 7 and cover half subassembly 8, cover half subassembly 8 and movable mould subassembly 7's compound die, divide the preparation of mould completion spring enclosing cover, movable mould subassembly 7 includes movable mould base 71, the mold foot 72, thimble board 73, fixed plate 74, elastic pad 75, movable mould board 76 and core plate 77, mold foot 72 fixes the both ends that movable mould base 71 is close to cover half subassembly 8 one side, elastic pad 75 fixes the one side that mold foot 72 is close to cover half subassembly 8, movable mould board 76 installs the one side that mold foot 72 was kept away from at elastic pad 75, one side that elastic pad 75 was kept away from at movable mould board 76 is installed to core plate 77, thimble board 73, fixed plate 74 is located between movable mould base 71 and the elastic pad 75, and thimble board 73 fixes the one side that is close to elastic pad 75.

Referring to fig. 3, four guide posts 17 are fixedly mounted on one side of the elastic gasket close to the fixed mold assembly 8, and the four guide posts 17 sequentially slide through the elastic backing plate 75, the movable mold plate 76, the core plate 77 and the fixed mold plate 81 and then are fixed to the fixed mold plate 81 to limit the moving direction of the movable mold assembly 7.

Referring to fig. 4, a cavity is formed in the fixed die plate 81, an opening is formed in one side of the fixed die plate 81, which is far away from the fixed die base plate 82, two cavities are formed in the fixed die plate 81, the insert 20 is fixedly installed in the cavity, the insert 20 is in embedded fit with the opening of the bounce outer cover, and when the movable die assembly 7 and the fixed die assembly 8 are separated from each other, the insert 20 is directly separated from the bounce outer cover;

with reference to fig. 3, two forming sliders 18 and two locking sliders 21 are arranged between the core plate 77 and the fixed die plate 81, a forming cavity 181 is integrally formed on the forming slider 18, the two forming sliders 18 and the two locking sliders 21 are slidably arranged on the core plate 77, when die assembly is performed, the two forming sliders 18 and the two locking sliders 21 are spliced together to form the two forming cavities 181, and the locking sliders 21 are used for generating a locking portion of the bouncing outer cover, so that two products are produced by one-step forming, and under the condition of ensuring smooth demolding, the production efficiency is greatly improved, and the cost is saved;

referring to fig. 3, one side of the fixed die plate 81 is fixed with four limiting blocks 22, the four limiting blocks 22 and the core plate 77 form four T-shaped sliding tracks, and the forming slide block 18 and the locking slide block 21 are in sliding fit with the sliding tracks, so that the forming slide block 18 and the locking slide block 21 slide on the core plate 77;

referring to fig. 3 and 4, the side of the fixed mold base plate 82 close to the movable mold assembly 7 is fixed with the inclined guide rod 16, the molding slider 18 and the locking slider 21 are provided with guide holes 23 corresponding to the inclined guide rod 16, the inclined guide rod 16 is in sliding fit with the guide holes 23, when the mold is closed, the two molding sliders 18 and the two locking sliders 21 are spliced to form two molding cavities 181, when the mold is separated, the movable mold assembly 7 is separated from the fixed mold assembly 8, so that the forming slide 18 and the locking slide 21 are separated from each other under the cooperation of the inclined guide bar 16 and the guide hole 23, the product is demoulded, the guide block 19 is fixed on the fixed die plate 81, the guide block 19 is provided with a guide inclined plane parallel to the axis of the inclined guide rod 16, the guide inclined plane is attached to one side surface of the forming slide block 18 and one side surface of the locking slide block 21, the stability of the forming slide block 18 and the locking slide block 21 in the sliding process is kept, and the product is prevented from being damaged.

With reference to fig. 3 and 5, the moving die assembly 7 is provided with a thread removing assembly 9 corresponding to the insert 20, and when the thread removing assembly 9, the insert 20, the forming slide block 18 and the locking slide block 21 are assembled, the insert 20 is abutted against the thread removing assembly 9, and the four form a complete forming cavity 181 of the bounce outer cover;

with reference to fig. 5 and 6, the thread removing assembly 9 includes a first driving member 91, a second driving member 92, a moving block 93, a first sliding block 94 and a second sliding block 95, the moving block 93 is in a quadrangular frustum pyramid shape, a table top of the moving block 93 is close to the fixed mold assembly 8, the first sliding block 94 is in sliding fit with two opposite sides of the moving block 93, two opposite side surfaces of the first sliding block 94 adjacent to a joint surface of the moving block 93 are coplanar with the other two side surfaces of the moving block 93, a trapezoidal block 931 inclined along the side surface of the moving block 93 is integrally formed on the moving block 93, and a slide 941 in sliding fit with the trapezoidal block 931 is integrally formed on the first sliding block 94;

with reference to fig. 5 and 6, the second slider 95 is in sliding fit with the moving block 93 and the first slider 94, the moving block 93 is located between the first slider 94 and the second slider 95, the whole formed by the first slider 94 and the second slider 95 is attached to the inside of a product, the first driving member 91 is fixedly connected with one side of the moving block 93 away from the positioning assembly, the first driving member 91 is an air cylinder, a piston rod of the air cylinder is fixed with the moving block 93, a cylinder body of the air cylinder is fixed on one side of the movable mold base 71 facing the fixed mold plate 81, and the fixed plate 74 and the ejector plate 73 are provided with a placing groove 10 for placing the air cylinder;

with reference to fig. 5 and 6, the second driving member 92 is connected to the second slider 95, a fixed rod 11 is fixed to one side of the second slider 95 facing the movable mold base 71, the fixed rod 11 extends along the direction of the joint surface of the moving block 93 and the second slider 95, an ejector block 12 in sliding fit with the fixed rod 11 is fixed to one side of the ejector plate 73 close to the fixed rod 11, a sliding groove 121 is formed in one side of the ejector block 12 away from the ejector plate 73, a sliding block 13 in sliding fit with the sliding groove 121 is fixed to the fixed rod 11, the second driving member 92 is fixed to one side of the movable mold base 71 away from the fixed mold assembly 8, the second driving member 92 is an air cylinder, the cylinder body of the air cylinder is fixed to the movable mold base 71, and the;

with reference to fig. 5, a cavity 761 is formed in the movable mold plate 76, a mold seat 14 is detachably fixed to the movable mold plate 76 through threads, the mold seat 14 is located in the cavity 761, the first slider 94 and the second slider 95 are placed on the mold seat 14, a guide groove 141 corresponding to the fixing rod 11 is formed in the mold seat 14, and the fixing rod 11 slides along the guide groove 141 to drive the second slider 95 to move away from or close to each other;

referring to fig. 6, a positioning plate 15 is fixedly mounted on one side of the elastic cushion plate 75 close to the movable mold plate 76, a guide hole 151 corresponding to the moving block 93 and the fixed rod 11 is formed in the positioning plate 15, the fixed rod 11 and the moving block 93 can stably move along the direction of the guide hole 151, and the movement stability of the first slider 94 and the second slider 95 is further improved.

With reference to fig. 2 and 5, during mold splitting, the movable mold component 7 is separated from the fixed mold component 8, the insert 20 is separated from the product, and the forming slide block 18, the locking slide block 21 and the core plate 77 slide under the action of the inclined guide rod 16, so that the product is demolded; meanwhile, the first driving member 91 drives the moving block 93 to move towards the movable mold base 71, so that the two first sliders 94 are moved towards each other, the first sliders 94 are separated from the internal thread 5 on the product, the first sliders 94 are separated from the product, the second driving member 92 drives the ejector plate 73 to move away from the movable mold base 71, so that the two second sliders 95 are moved towards each other, the second sliders 95 are separated from the internal thread 5 on the product, and meanwhile, the second sliders 95 jack up the product to separate from the core plate 77, so that the product is in a demolding state and is convenient to take out.

The implementation principle of the embodiment is as follows:

when the bouncing outer cover of the water cup needs to be produced, injection molding is carried out after mold assembly, molten raw materials flow into the molding cavity 181, the movable mold component 7 and the fixed mold component 8 are separated during mold separation, the insert 20 is separated from the product, and the molding slide block 18, the locking slide block 21 and the core plate 77 slide under the action of the inclined guide rod 16, so that the product is demolded; meanwhile, the first driving part 91 drives the moving block 93 to move towards the direction of the movable mold base 71, so that the two first sliders 94 are moved towards each other, the first sliders 94 are separated from the internal threads 5 on the product, the first sliders 94 are separated from the product, the second driving part 92 drives the ejector plate 73 to move towards the direction opposite to the direction of the movable mold base 71, so that the two second sliders 95 are moved towards each other, the second sliders 95 are separated from the internal threads 5 on the product, meanwhile, the second sliders 95 jack the product to separate from the core plate 77, the product is in a demolding state, the bouncing outer cover is manually taken out, then the mold is closed, and the steps are repeated, so that the bouncing outer cover of the water cup can be continuously produced.

The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.

Claims (8)

1. The utility model provides a take off threaded device for producing spring enclosing cover mould, includes movable mould subassembly (7) and cover half subassembly (8), the injection moulding of product is accomplished with compound die, the branch mould of cover half subassembly (8) to movable mould subassembly (7), its characterized in that: the novel thread removing die is characterized in that a thread removing assembly (9) is arranged in the moving die assembly (7), the thread removing assembly (9) comprises a first driving piece (91), a second driving piece (92), a moving block (93), a first sliding block (94) and a second sliding block (95), the moving block (93) is in a quadrangular frustum pyramid shape, the table top of the moving block (93) is close to the fixed die assembly (8), the first sliding block (94) is in sliding fit with the two opposite sides of the moving block (93), the two opposite side faces, adjacent to the sliding face of the first sliding block (94) and the sliding face of the moving block (93), of the first sliding block (93) are coplanar with the other two side faces of the moving block (93), the second sliding block (95) is in sliding fit with the moving block (93) and the first sliding block (94) and the second sliding block (95), the moving block (93) is located between the first sliding block (94) and the second sliding block (95), and the whole formed by combining, first driving piece (91) with move piece (93) and be connected, second driving piece (92) are connected with second slider (95), first driving piece (91) drive moves piece (93) and moves towards the opening direction of product, drives first slider (94) and draws close each other, second driving piece (92) drive second slider (95) move towards the opening opposite direction of product, second slider (95) draw close each other, first slider (94), second slider (95) and product separation.

2. The thread stripping apparatus for producing an bouncing outer cap mold according to claim 1, wherein: a trapezoidal slide way (941) is formed in the first slide block (94), and a trapezoidal block (931) matched with the slide way (941) in a sliding mode is arranged on the moving block (93).

3. The thread stripping apparatus for producing an bouncing outer cap mold according to claim 2, wherein: the movable mould component (7) comprises a movable mould base (71), a mould foot (72), an ejector plate (73), a fixing plate (74), an elastic cushion plate (75), a movable mould plate (76) and a core plate (77), the mould foot (72) is fixed at two ends of one side of the movable mould base (71) close to the fixed mould component (8), the elastic cushion plate (75) is fixed at one side of the mould foot (72) close to the fixed mould component (8), the movable mould plate (76) is installed at one side of the elastic cushion plate (75) far away from the mould foot (72), the core plate (77) is installed at one side of the movable mould plate (76) far away from the elastic cushion plate (75), the ejector plate (73) and the fixing plate (74) are positioned between the movable mould base (71) and the elastic cushion plate (75), the ejector plate (73) is fixed at one side of the fixing plate (74) close to the elastic cushion plate (75), a first driving piece (91) is fixed at one side of the movable mould base, the ejector plate (73) and the fixing plate (74) are provided with placing grooves (10) corresponding to the first driving piece (91).

4. The thread stripping apparatus for producing an bouncing outer cap mold according to claim 3, wherein: one side that second slider (95) deviates from cover half subassembly (8) is provided with along second slider (95) and moving dead lever (11) of piece (93) slip face direction, be fixed with on thimble board (73) and keep away from second slider (95) one end with dead lever (11) and slide kicking block (12) of being connected, the removal of second driving piece (92) drive thimble board (73) drives second slider (95) motion.

5. The thread stripping apparatus for producing an bouncing outer cap mold according to claim 4, wherein: a sliding groove (121) is formed in the top block (12), and a sliding block (13) matched with the sliding groove (121) is arranged on the fixing rod (11).

6. The thread stripping apparatus for producing an bouncing outer cap mold according to claim 5, wherein: the second driving piece (92) is fixed on one side, away from the ejector plate (73), of the movable mold base (71), and the second driving piece (92) penetrates through the movable mold base (71) to be connected with the ejector plate (73).

7. The thread stripping apparatus for producing an bouncing outer cap mold according to claim 3, wherein: the die comprises a movable die plate (76), a cavity (761) is formed in the movable die plate (76), a die holder (14) is arranged in the cavity (761), a first sliding block (94) and a second sliding block (95) are arranged on the die holder (14), and a guide groove (141) corresponding to a fixing rod (11) is formed in the die holder (14).

8. The thread stripping apparatus for producing an bouncing outer cap mold according to claim 7, wherein: the elastic cushion plate (75) is provided with a positioning plate (15), and the positioning plate (15) is provided with a guide hole (151) corresponding to the moving block (93) and the fixing rod (11).

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