CN110576105A - Four-side bending one-step forming die - Google Patents
Four-side bending one-step forming die Download PDFInfo
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- CN110576105A CN110576105A CN201810676387.0A CN201810676387A CN110576105A CN 110576105 A CN110576105 A CN 110576105A CN 201810676387 A CN201810676387 A CN 201810676387A CN 110576105 A CN110576105 A CN 110576105A
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- 238000005452 bending Methods 0.000 title claims abstract description 24
- 230000007246 mechanism Effects 0.000 claims abstract description 12
- 238000003780 insertion Methods 0.000 claims description 28
- 230000037431 insertion Effects 0.000 claims description 28
- 238000007493 shaping process Methods 0.000 claims description 24
- 238000000465 moulding Methods 0.000 description 19
- 230000007704 transition Effects 0.000 description 8
- 238000013459 approach Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
the invention relates to a four-side bending one-step forming die, which is used for forming a frame with four sides into a cambered surface frame and comprises an upper template, a lower template, a forming template and a forming mechanism; the forming template is connected to the upper template, and the lower template is used for placing the frame; the forming mechanism comprises a forming assembly, a forming driving piece and a forming elastic piece, the forming assembly comprises straight-edge sliders and corner sliders, each slider is provided with an arc end matched with the inner arc degree of the arc-surface frame, the forming elastic piece is arranged between each slider and the forming template, the forming elastic pieces apply elastic force to the sliders, the elastic force is close to each other, and the forming driving piece is used for driving each slider to expand outwards to the inner side of the frame to be jacked. The four-side bending one-step forming die can form the frame with four arc surfaces through stamping one-step forming on the frame or a shell with the frame, four-side forming is completed on one die, a large amount of equipment and labor cost are saved, and meanwhile forming efficiency is high and forming product yield is high.
Description
Technical Field
The invention relates to the field of molds, in particular to a four-side bending one-step forming mold.
Background
With continuous improvement of appearances of mobile phones and flat plates and continuous optimization of texture, existing mobile phones and flat plates adopt round metal shells, namely, a screen surface and a bottom rear shell of each metal shell are in transition connection through a semicircle.
some processors adopt a numerical control machine tool to process an appearance arc surface and an internal structure, but the numerical control machine tool is low in processing efficiency and high in cost. Some manufacturers design similar appearance in order to reduce the processing cost and improve the production efficiency, and the internal structure is changed into a stamping and injection molding or stamping and rubberizing process.
However, in the prior art, the shell is subjected to four-side bending forming, the shell needs to be formed by multiple sets of dies, the positioning error is difficult to guarantee, the forming phase connection points of the multiple sets of dies are difficult to connect and smooth, the surface of a product needs to be polished after stamping, the fillet transition of the surface of the product is smoother, the mode of stamping forming is adopted, the cost is reduced, the machine equipment is multiple, the number of operators is multiple, polishing consumables are needed, the yield of the produced product cannot be guaranteed, and the production efficiency improvement effect is not obvious.
Disclosure of Invention
In view of the above, the present invention provides a four-side bending one-step forming mold with low forming cost, high efficiency and high yield to overcome the disadvantages of the prior art.
The invention provides the following technical scheme:
The four-side bending one-step forming die is used for forming a frame with four sides into an arc-surface frame and comprises an upper template, a lower template, a forming template and a forming mechanism;
The forming template is connected to the upper template, and the lower template is used for placing a frame;
Forming mechanism includes shaping subassembly, shaping driving piece and shaping elastic component, the shaping subassembly includes straight flange slider and turning slider, each slider have with the interior camber assorted arc end of cambered surface frame and with be equipped with the shaping elastic component between the shaping template, the elastic force that leans on each other to draw close is applyed to the slider to the shaping elastic component, the shaping driving piece is used for driving each slider and expands outward to the inboard roof pressure of frame.
As a further optional scheme for the molding die, the molding assembly further comprises an insert block, and the straight-edge slider and the corner slider are closed to form a slot;
The forming driving piece drives the inserting block to be inserted into the slot, when the inserting block is inserted into the slot, the straight edge sliding block and the corner sliding block are expanded outwards, and arc-shaped ends on the straight edge sliding block and the corner sliding block enclose an inner arc surface of the frame.
As a further optional scheme of the molding die, the molding assembly comprises four straight-edge sliders and four corner sliders, inclined surfaces of adjacent straight-edge sliders abut against each other when the straight-edge sliders are closed, and the corner sliders abut against intersection angles of two adjacent straight-edge sliders.
As a further alternative to the above-mentioned forming mold, the insert block includes a first insert section and a second insert section, and the cross section of the first insert section is smaller than that of the second insert section;
Under a normal state, the first inserting section is inserted into the inserting groove, the second inserting section is connected to the upper template, and when the second inserting section is inserted into the inserting groove, the arc-shaped ends on the straight edge sliding block and the corner sliding block are driven to enclose an inner arc surface of the frame.
As a further alternative to the above-mentioned forming mold, a wedge-shaped fit is formed between the second insertion section and the insertion groove.
As a further optional scheme for the above molding die, the first insertion section and the second insertion section are in a slope transition, and the slot edge is provided with a slope with an angle equal to that of the transition slope.
As a further optional scheme for the forming mold, the forming mold further comprises a stop plate, an elastic element and a product fixing plate, the forming mold plate and the upper mold plate are fixed, the stop plate is arranged between the upper mold plate and the forming mold plate, the elastic element is arranged between the stop plate and the upper mold plate, the arc-shaped end of the sliding block extends out of the surface of the forming mold plate, and the other end of the sliding block abuts against the stop plate;
The product fixing plate is slidably embedded in the lower template, and the forming driving piece drives the product fixing plate to push the sliding block, so that the insertion block is inserted into the insertion groove.
As a further optional scheme for the forming mold, a first arc-shaped groove is formed in the product fixing plate, the frame is placed in the first arc-shaped groove, and a second arc-shaped groove is formed in the forming template;
When the product fixing plate moves in place, the first radian groove and the second radian groove fall on the outer arc surface of the arc surface frame, and the outer arc surface is coaxial with the arc surface of the arc end and is larger than the arc surface radius of the arc end.
As a further optional scheme for the molding die, the molding die further includes a stripper plate interposed between the stopper plate and the molding die plate, and the stopper plate and the stripper plate are fixed to each other;
One end of the sliding block is provided with an arc end and the other end is provided with a stop end, and the stop end is slidably clamped between the stop plate and the stripper plate.
As a further optional scheme for the forming mold, a square through groove is formed in the forming template, the forming elastic piece is arranged in the forming template and can extend out of the side wall of the square through groove, and when the straight-edge sliding block and the corner sliding block are abutted against the side wall of the square through groove, the straight-edge sliding block and the corner sliding block are expanded in place.
the embodiment of the invention has at least the following advantages:
The four-side bending one-step forming die can form the frame with four arc surfaces through stamping one-step forming on the frame or a shell with the frame, four-side forming is completed on one die, a large amount of equipment and labor cost are saved, and meanwhile forming efficiency is high and forming product yield is high.
In order to make the aforementioned objects, features and advantages of the present invention more comprehensible and comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is an isometric view of the overall structure of a four-side bend one-shot mold provided by an embodiment of the present invention;
FIG. 2 is a front view of the overall structure of a four-side bending one-step forming mold according to an embodiment of the present invention;
FIG. 3 is a cross-sectional view A-A of FIG. 2;
FIG. 4 is a schematic structural diagram illustrating an insert block and a slide block of a four-side bending one-step forming mold according to an embodiment of the invention;
Fig. 5 shows a schematic structural diagram of a slider and a molded elastic part of a four-side bending one-step molding die provided by an embodiment of the invention.
Icon: 1-forming a mould; 11-upper template; 12-a lower template; 13-forming a template; 131-a second arc groove; 14-a forming mechanism; 141-a molding assembly; 1410-slot; 1411-straight sided slider; 14110-curved end; 1412-corner slider; 1413-an insert block; 14131-a first plug section; 14132-a second insert segment; 142-molding the driving member; 143-forming an elastic member; 15-a stop plate; 16-an elastic member; 17-a product fixing plate; 171-a first arc groove; 18-stripper plate.
Detailed Description
to facilitate an understanding of the present application, a four-side bending one-shot mold will be described more fully below with reference to the accompanying drawings. The preferred embodiment of the four-sided curved one-shot mold is shown in the drawings. However, the four-side bending one-shot mold may be realized in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete with respect to a four-sided curved one-shot mold.
it will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly on" another element, there are no intervening elements present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the four-sided bent one-shot mold is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Examples
As shown in fig. 1, the four-side bending one-step forming die 1 forms a frame having four sides into an arc-shaped frame, may be a frame having only four sides, or may be a case having four sides and a bottom, and the frame or the case may be applied to an outer frame or a housing of a plate-shaped electronic device such as a mobile phone or a tablet, so that the mobile phone or the tablet has a smooth frame, and the hand feeling and the wear resistance and deformation resistance of the frame are improved. Hereinafter, the housing and the case are collectively referred to as a bezel.
referring to fig. 2 and 3, the four-side bending one-step forming mold 1 includes an upper mold plate 11, a lower mold plate 12, a forming mold plate 13 and a forming mechanism 14. Wherein, the forming template 13 is connected on the upper template 11, and the lower template 12 is used for placing the frame.
The molding mechanism 14 includes a molding assembly 141, a molding driving member 142, and a molding elastic member 143. The forming assembly 141 includes straight-sided blocks 1411 and corner blocks 1412, each having an arcuate end 14110 matching the inner curvature of the arcuate frame and a forming spring 143 disposed between the forming shoe 13. The forming elastic member 143 exerts an elastic force on the sliders to approach each other, and the forming driving member 142 is used to drive each slider to expand outward and press against the inner side of the frame.
above-mentioned, the frame is placed on lower bolster 12, locates between lower bolster 12 and shaping template 13, and cope match-plate pattern 11 can drive shaping template 13 motion, realizes putting into and taking out of frame through shaping template 13 and the separation of lower bolster 12, closes through the lid of shaping template 13 and lower bolster 12 to the shaping of frame is realized through the action of forming mechanism 14.
the forming assembly 141 may specifically include four straight-side sliders 1411 and four corner sliders 1412, the four straight-side sliders 1411 respectively correspond to straight sides of the frame, the four corner sliders 1412 respectively correspond to corners of the frame, the straight-side sliders and the corner sliders 1412 can be spliced into a complete frame body when being expanded outward, arc ends 14110 of the straight-side sliders and the corner sliders 1412 can be spliced into outer arc surfaces matched with the inner arc surfaces of the arc-surface frame, and the planar frame is formed into an arc-surface frame through jacking of the arc ends 14110.
The molding assembly 141 further includes an insert 1413, the straight-side slider 1411 and the corner slider 1412 are normally moved toward each other by the driving of the molding spring 143, the straight-side slider 1411 and the corner slider 1412 are moved toward each other to form a slot 1410, and the slot 1410 is decreased as the sliders are moved toward each other and is increased as the sliders are expanded, i.e., moved away from each other.
Specifically, adjacent straight-side sliders are abutted by inclined surfaces when being closed, and the corner slider 1412 abuts on the intersection angle of two adjacent straight-side sliders 1411. The cross section of the straight-edge slider is provided with two straight edges, two ends of each straight edge are connected through two oblique edges, one of the two oblique edges is called an inner oblique edge, the other oblique edge is called an outer oblique edge, and one of the two straight edges is called an inner straight edge and the other straight edge is called an outer straight edge. The corner slider 1412 is right-angled and has two beveled edges that mate with the outer beveled edges of the straight edge slider 1411, the outer edge of the corner slider 1412 is a contoured corner edge, and the curved end 14110 is matingly disposed along the outer edge of the corner slider 1412.
Referring to fig. 4 and 5, the outer straight edge is a formed edge of the spliced right-angle edge, and an arc-shaped end 14110 matched with the length of the outer straight edge is arranged on the outer straight edge. The inner straight edges are used to converge out of the slot 1410. When the sliders are assembled, the inner oblique edges of adjacent straight-edge sliders 1411 abut, and the corner slider 1412 abuts against the outer oblique edge of the straight-edge slider 1411, namely, the intersection angle of two adjacent straight-edge sliders 1411. As the slider expands, the beveled edges of the straight-side slider 1411 separate and the outer beveled edge of the straight-side slider 1411 remains engaged with the beveled edge of the corner slider 1412.
The forming driving member 142 can drive the inserting block 1413 to be inserted into the inserting groove 1410, when the inserting block 1413 is inserted into the inserting groove 1410, the straight-side sliding block 1411 and the corner sliding block 1412 expand outwards, and the outer arc surface formed by the arc ends 14110 on the straight-side sliding block 1411 and the corner sliding block 1412 can expand outwards to form the inner arc surface of the arc-shaped frame when the outer arc surface abuts against the inner side of the frame.
In this embodiment, the insert 1413 includes a first insert 14131 and a second insert 14132, the first insert 14131 has a smaller cross section than the second insert 14132 and the cross section, and the insert 1413 is a stepped square rod. The second inserting section 14132 is fixed on the upper template 11, the first inserting section 14131 is normally inserted into the inserting groove 1410, and the second inserting section 14132 is inserted into the inserting groove 1410 to drive the arc-shaped ends 14110 on the straight-side sliding block 1411 and the corner sliding block 1412 to enclose an inner arc surface of a frame.
a first insertion section 14131 always inserted in the insertion groove 1410 for guiding the insertion of the second insertion section 14132. The second socket section 14132 forms a wedge-shaped fit with the socket 1410. That is, at least one of the second inserting section 14132 and the inserting groove 1410 is provided with a slope, so that the second inserting section 14132 can be smoothly transited when being inserted into the inserting groove 1410 through wedge-shaped fit.
in this embodiment, the first inserting section 14131 and the second inserting section 14132 are in a slope transition, and the edge of the inserting groove 1410 is provided with a slope having an angle equal to that of the transition slope, that is, the inner straight edge of the top surface of the straight-edge inserting block 1413 is provided with a chamfer having an angle equal to that of the transition slope of the first inserting section 14131 and the second inserting section 14132. Thereby making the transition of the second plugging section 14132 when plugging with the plugging slot 1410 smoother and smoother.
The cross-sectional area of the first inset segment 14131 can be smaller than the slot 1410 formed when the sliders are fully closed, such that the sliders can be fully closed, and the cross-sectional area of the first inset segment 14131 can also be larger than the slot 1410 formed when the sliders are fully closed, such that the sliders abut against the first inset segment 14131 when closed.
Each straight-edge slider 1411 is provided with at least one forming elastic piece 143, and the extension and contraction of the forming elastic piece 143 and the closing and expanding directions of the slider. In this embodiment, the molded elastic member 143 is a spring, the straight-side slider 1411 is vertically provided with a spring along a straight side, the outer edges of two sides of the corner slider 1412 are straight sides, two straight sides of the corner slider 1412 are vertically provided with springs respectively, and the springs provide driving force for the sliders to approach.
The molding driving element 142 drives the insertion block 1413 to be inserted into the insertion slot 1410, that is, the insertion of the second insertion section 14132 into the insertion slot 1410 can be driven by the insertion block 1413 or the sliding block to move the insertion slot 1410 towards the insertion block 1413, so as to achieve the insertion of the two.
in this embodiment, the forming die 1 further includes a stopper plate 15, an elastic member 16, and a product fixing plate 17. The forming template 13 and the upper template 11 are fixed, the distance between the forming template and the upper template is locked by bolts, an upper die of the forming die 1 is formed together, and the upper template 11 is connected with a driving part to drive the forming template 13 to open and close relative to a lower die, namely, to open and close the die.
the stop plate 15 is arranged between the upper template 11 and the forming template 13, an elastic piece 16 is arranged between the stop plate and the upper template 11, the arc-shaped end 14110 of the slide block extends out of the surface of the forming template 13, and the other end of the slide block is abutted against the stop plate 15. The product fixing plate 17 is slidably embedded in the lower mold plate 12, and the molding driving member 142 drives the product fixing plate 17 to push the slider, so that the insertion block 1413 is inserted into the insertion slot 1410.
The lower die plate 12 is fixed in position, the product fixing plate 17 is driven to move upwards through the forming driving part 142 to drive the frame to move upwards together, the product fixing plate 17 pushes the sliding block upwards, the sliding block pushes the stop plate 15 to move upwards, the elastic part 16 is compressed by the stop plate 15, when the sliding block moves upwards, the slot 1410 formed by the sliding block is inserted into the second insertion section 14132 of the insertion block 1413, each sliding block is gradually expanded outwards through wedge-shaped matching, and therefore the side face of the frame is pushed outwards to be pressed, and the sliding block is formed into an arc face.
the forming drive member 142 is a linear motion mechanism capable of reciprocating linear motion, such as a linear motor, a cylinder, a hydraulic cylinder, a ball screw, or a rack and pinion mechanism. The body of the forming driving member 142 is fixed, and the execution section of the forming driving member 142 pushes the product fixing plate 17 to realize the movement of the product fixing plate 17 relative to the lower template 12.
In this embodiment, elastic component 16 is the spring, is equipped with many springs between cope match-plate pattern 11 and the backstop board 15, and when product fixed plate 17 retracted and moved down, elastic component 16 elasticity reset, and drive backstop board 15 moved down to the drive slider moved down and resets, resets through elastic component 16, makes the frame of shaping out effectively separate with shaping template 13.
The forming die 1 further comprises a stripper plate 18 clamped between the stop plate 15 and the forming die plate 13, and the stop plate 15 and the stripper plate 18 are fixed. The stop end of the slider is integrated, and one end of the slider is fixed on the stopper plate 15 by the stop end and the stripper plate 18, and the slider can float along with the stopper plate 15. The plate body formed by the stopping end is provided with a sliding groove, the stripper plate 18 is provided with a sliding groove, and the stopping end and the sliding block are split, so that the sliding block can be conveniently assembled, the stopping end and the sliding block can be connected through screws, and the screws can slide in the sliding grooves.
Be equipped with first radian groove 171 on the product fixed plate 17, the frame is placed in first radian groove 171, is equipped with second radian groove 131 on the shaping template 13. When the product fixing plate 17 moves toward the forming die plate 13, an outer arc surface of the arc surface frame can be formed between the first arc groove 171 and the second arc groove 131. The first arc groove 171 and the second arc groove 131 are coaxial with the arc end 14110 and have a radius larger than that of the arc end 14110. Expansion into position, i.e., mating of the insert 1413 into the slot 1410, is considered when the straight-sided slider 1411 and the corner slider 1412 expand into position, i.e., splay out to splice into a frame with a full camber.
At this time, through the inner arc surface of the frame at the top pressure forming position of the arc-shaped end 14110, the top pressure degree of the arc-shaped end 14110 is limited through the enclosing of the first arc groove 171 and the second arc groove 131, and the outer arc surface of the arc-shaped frame is formed, so that the forming precision of the arc-shaped frame is guaranteed.
The forming template 13 is provided with a square through groove, the forming elastic piece 143 is arranged in the forming template 13 and can extend out of the side wall of the square through groove, and when the straight-side sliding block 1411 and the corner sliding block 1412 are abutted against the side wall of the square through groove, the straight-side sliding block 1411 and the corner sliding block 1412 are expanded to be in place.
The square through groove on the forming template 13 is used for limiting the outward expansion degree of the slider, and when the slider abuts against the side wall of the square through groove, the slider cannot continue to expand outward, the slider is spliced into a complete arc-shaped frame body, and the slider is effectively prevented from being expanded outward excessively to cause poor forming of the frame.
in addition, the cross section of the second insertion section 14132 can be directly set to be an opening cross section of the slider expanded in place, so that after the second insertion section 14132 is inserted into the insertion slot 1410, the slider is directly expanded in place and cannot be expanded outwards, and the forming precision of the inner arc surface of the frame is ensured.
In all examples shown and described herein, any particular value should be construed as merely exemplary, and not as a limitation, and thus other examples of example embodiments may have different values.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
The above examples are merely illustrative of several embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the 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 (10)
1. the four-side bending one-step forming die is used for forming a frame with four sides into an arc-surface frame and is characterized by comprising an upper template, a lower template, a forming template and a forming mechanism;
The forming template is connected to the upper template, and the lower template is used for placing a frame;
Forming mechanism includes shaping subassembly, shaping driving piece and shaping elastic component, the shaping subassembly includes straight flange slider and turning slider, each slider have with the interior camber assorted arc end of cambered surface frame and with be equipped with the shaping elastic component between the shaping template, the elastic force that leans on each other to draw close is applyed to the slider to the shaping elastic component, the shaping driving piece is used for driving each slider and expands outward to the inboard roof pressure of frame.
2. The four-sided bending one-shot forming mold of claim 1, wherein the forming assembly further comprises an insert block, the straight-sided slider and the corner slider are closed to form a slot;
The forming driving piece drives the inserting block to be inserted into the slot, when the inserting block is inserted into the slot, the straight edge sliding block and the corner sliding block are expanded outwards, and arc-shaped ends on the straight edge sliding block and the corner sliding block enclose an inner arc surface of the frame.
3. The four-side bending one-step forming die according to claim 2, wherein the forming assembly comprises four straight-side sliding blocks and four corner sliding blocks, adjacent straight-side sliding blocks form inclined surface abutment when being closed, and the corner sliding blocks abut on the intersection angle of two adjacent straight-side sliding blocks.
4. The four-sided curved one-shot forming mold of claim 2, wherein the insert block includes a first insert section and a second insert section, the first insert section having a smaller cross section than the second insert section and the cross section;
Under a normal state, the first inserting section is inserted into the inserting groove, the second inserting section is connected to the upper template, and when the second inserting section is inserted into the inserting groove, the arc-shaped ends on the straight edge sliding block and the corner sliding block are driven to enclose an inner arc surface of the frame.
5. The four-sided curved one shot mold of claim 4, wherein the second insert segment forms a wedge fit with the insert groove.
6. The four-sided bending one-shot forming mold according to claim 5, wherein the first insert section and the second insert section are transited by a bevel, and the slot edge is provided with a bevel with the same angle as the transited bevel.
7. The four-side bending one-step forming die according to claim 2, further comprising a stop plate, an elastic member and a product fixing plate, wherein the forming die plate and the upper die plate are fixed together, the stop plate is arranged between the upper die plate and the forming die plate and provided with the elastic member, the arc-shaped end of the sliding block extends out of the surface of the forming die plate, and the other end of the sliding block abuts against the stop plate;
The product fixing plate is slidably embedded in the lower template, and the forming driving piece drives the product fixing plate to push the sliding block, so that the insertion block is inserted into the insertion groove.
8. The four-sided bending one-step forming die of claim 7, wherein a first arc-shaped groove is formed in the product fixing plate, the frame is placed in the first arc-shaped groove, and a second arc-shaped groove is formed in the forming template;
When the product fixing plate moves in place, the first radian groove and the second radian groove fall on the outer arc surface of the arc surface frame, and the outer arc surface is coaxial with the arc surface of the arc end and is larger than the arc surface radius of the arc end.
9. The four-side bending one-step forming die according to claim 7, further comprising a stripper plate clamped between the stopper plate and the forming template, wherein the stopper plate and the stripper plate are fixed;
one end of the sliding block is provided with an arc end and the other end is provided with a stop end, and the stop end is slidably clamped between the stop plate and the stripper plate.
10. the four-side bending one-step forming die according to claim 1, wherein a square through groove is formed in the forming template, the forming elastic member is arranged in the forming template and can extend out of the side wall of the square through groove, and when the straight-side sliding block and the corner sliding block are abutted against the side wall of the square through groove, the straight-side sliding block and the corner sliding block are expanded in place.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810676387.0A CN110576105A (en) | 2018-06-27 | 2018-06-27 | Four-side bending one-step forming die |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810676387.0A CN110576105A (en) | 2018-06-27 | 2018-06-27 | Four-side bending one-step forming die |
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| CN110576105A true CN110576105A (en) | 2019-12-17 |
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| CN205767440U (en) * | 2016-05-24 | 2016-12-07 | 东莞市真品五金散热科技有限公司 | A kind of housing processing mold |
| CN205833921U (en) * | 2016-06-23 | 2016-12-28 | 蓝思科技股份有限公司 | A kind of decompressor of automatic loading/unloading |
| CN205851677U (en) * | 2016-08-10 | 2017-01-04 | 上海柘电金属科技有限公司 | A kind of mould for product surface, in high precision bending angle |
| CN106426885A (en) * | 2016-11-22 | 2017-02-22 | 汕头市源鑫模具有限公司 | Thermal forming mold |
| CN206104693U (en) * | 2016-08-31 | 2017-04-19 | 佛山市正鑫隆电器实业有限公司 | Tensile mould of advertisement machine base |
| CN208341528U (en) * | 2018-06-27 | 2019-01-08 | 蓝思精密(东莞)有限公司 | Four sides bending one-time-shaped mould |
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2018
- 2018-06-27 CN CN201810676387.0A patent/CN110576105A/en active Pending
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| FR2683168A1 (en) * | 1991-11-04 | 1993-05-07 | Isoform | DEVICE FOR STAMPING SHEET MATERIALS, PARTICULARLY SHEET SHEET. |
| EP1361036A1 (en) * | 2002-05-10 | 2003-11-12 | Adolf Illig Maschinenbau GmbH & Co. KG | Apparatus for thermoforming of containers, plugs with integrated valve |
| CN201900179U (en) * | 2010-07-19 | 2011-07-20 | 佛山市顺德区汉达精密电子科技有限公司 | Forming mechanism |
| CN202571034U (en) * | 2012-06-12 | 2012-12-05 | 广东科龙模具有限公司 | Forming mould for simultaneously bending outer outline of box-shaped element by shoveling |
| CN205767440U (en) * | 2016-05-24 | 2016-12-07 | 东莞市真品五金散热科技有限公司 | A kind of housing processing mold |
| CN205833921U (en) * | 2016-06-23 | 2016-12-28 | 蓝思科技股份有限公司 | A kind of decompressor of automatic loading/unloading |
| CN205851677U (en) * | 2016-08-10 | 2017-01-04 | 上海柘电金属科技有限公司 | A kind of mould for product surface, in high precision bending angle |
| CN206104693U (en) * | 2016-08-31 | 2017-04-19 | 佛山市正鑫隆电器实业有限公司 | Tensile mould of advertisement machine base |
| CN106426885A (en) * | 2016-11-22 | 2017-02-22 | 汕头市源鑫模具有限公司 | Thermal forming mold |
| CN208341528U (en) * | 2018-06-27 | 2019-01-08 | 蓝思精密(东莞)有限公司 | Four sides bending one-time-shaped mould |
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