CN108856521B - Discontinuous thread forming die - Google Patents
Discontinuous thread forming die Download PDFInfo
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- CN108856521B CN108856521B CN201811084956.9A CN201811084956A CN108856521B CN 108856521 B CN108856521 B CN 108856521B CN 201811084956 A CN201811084956 A CN 201811084956A CN 108856521 B CN108856521 B CN 108856521B
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- 238000012545 processing Methods 0.000 abstract description 13
- 238000005096 rolling process Methods 0.000 abstract description 8
- 238000004140 cleaning Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 9
- 230000009471 action Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000011166 aliquoting Methods 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000003491 array Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000003670 easy-to-clean Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000004804 winding Methods 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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- 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
- B21D51/00—Making hollow objects
- B21D51/16—Making hollow objects characterised by the use of the objects
- B21D51/38—Making inlet or outlet arrangements of cans, tins, baths, bottles, or other vessels; Making can ends; Making closures
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses a discontinuous thread forming die which comprises an upper die assembly and a lower die assembly, wherein the lower die assembly comprises a female die assembly, an inner die assembly, an impact assembly and a frame, the female die assembly is movably arranged on the frame, the female die assembly surrounds the outer side of the inner die assembly, a placing space is arranged between the female die assembly and the inner die assembly, the female die assembly corresponds to the upper die assembly in position, the impact assembly is arranged on the female die assembly, the upper die assembly drives the impact assembly to move inwards to the inner die assembly through the female die assembly to form a die closing position, and the upper die assembly resets and expands outwards to drive the impact assembly to separate from the inner die assembly to form a die opening position. The invention can realize the processing of the discontinuous thread on the cup opening to be processed, avoid the deformation of the cup opening caused by rolling operation, simultaneously the processed discontinuous thread can reduce the dirt contained in the thread, is more convenient for cleaning, can reduce the noise generated when the cup cover and the cup opening are screwed, and increases the smoothness of the screwing of the cup cover and the cup opening.
Description
Technical Field
The invention relates to a forming die, in particular to a discontinuous thread forming die.
Background
During manufacture of the cup, it is necessary to roll the mouth of the cup continuously, thereby rolling threads for threaded connection in the mouth of the cup. Because the rolling die is adopted to roll the opening of the cup during rolling, only one part of the opening of the cup is pressed with the rolling die in the same time, so that the cup opening is out of round due to uneven stress during rolling, namely, the cup opening part of the processed liner or shell is elliptical.
In addition, in the use of the cup, dirt can be stained due to various reasons, and for the cup with the continuous threads at the mouth, the dirt is more easily contained in the continuous threads and is not easy to clean, so that the difficulty in cleaning the cup is increased. In addition, in the process of closing the cup cover, continuous threads can cause the cup cover and the mouth part of the cup to generate harsh noise in the process of closing, and the situation of unsmooth screwing can also occur, so that improvement is needed.
Disclosure of Invention
Aiming at the defects that in the prior art, rolling stress of a cup opening is uneven, so that the cup opening is out of round, a continuous threaded cup opening is easy to collect dirt, generate noise and the like, the invention provides a novel discontinuous thread forming die.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the utility model provides a discontinuous thread forming die, includes mould subassembly, lower mould subassembly includes die subassembly, centre form subassembly, strikes subassembly and frame, die subassembly activity set up in the frame, die subassembly around in outside and die subassembly and the centre form between the subassembly are provided with the space of placing in the centre form subassembly, die subassembly with go up the die subassembly position is corresponding, strike the subassembly set up in on the die subassembly, go up the die subassembly drive die subassembly inwards contracts and forms the compound die position when driving the inside removal of impact subassembly to centre form compound die position through the die subassembly, go up the die subassembly and just die subassembly outwards expands and drives and strike the outside removal of subassembly and form the die opening position when breaking away from the centre form subassembly.
The placing space between the female die assembly and the inner die assembly is used for placing a cup body to be processed, the inner die assembly is used for supporting and positioning the cup mouth of the cup body to be processed, and stability of the cup body to be processed is kept. The upper die assembly corresponds to the die assembly in position and is used for driving the die assembly to shrink inwards, the impact assembly is driven to move inwards when the die assembly shrinks inwards, the impact assembly is driven by the die assembly to impact the cup mouth of the cup body to be processed, and concave blocks are processed on the surface of the cup mouth, so that discontinuous threads are formed on the cup mouth through the concave blocks. Then through last mould subassembly, die assembly, centre form subassembly, the mutually supporting of impact assembly, can realize treating the processing of discontinuous screw thread on the cup rim of a cup of processing, avoid the rim of a cup rolling operation to lead to the condition that the rim of a cup warp to appear, the discontinuous screw thread of processing out simultaneously can reduce the dirt that holds in the screw thread, more be convenient for wash, and can reduce the noise that produces when bowl cover and rim of a cup spin, increase bowl cover and rim of a cup spin and close smoothness.
Preferably, the above discontinuous thread forming die, the die assembly comprises die and die equal-dividing blocks, the die equal-dividing blocks are arranged in an annular array around the outer side of the die assembly and located on the inner side of the die, die winding and unwinding gaps are formed between the die equal-dividing blocks, the impact assembly is arranged on the die equal-dividing blocks and moves synchronously with the die equal-dividing blocks, the die is located below the upper die assembly, and the upper die assembly drives the die to move downwards and drive the die equal-dividing blocks to move inwards synchronously through the die so that the die assembly is formed when the impact assembly moves to the die assembly.
The female die is used for being driven by the upper die assembly to move downwards, and the female die equal-section blocks are driven by the driving force of the downward movement of the female die to move inwards, so that the acting force of the downward pressing of the upper die assembly is converted into the acting force of the inward shrinking of the female die equal-section blocks through the mutual matching of the female die and the female die equal-section blocks. The impact assembly is driven by the concave die and the like to quickly move to the inner die assembly and impact the cup mouth of the cup body to be processed, so that discontinuous threads are formed at the cup mouth at one time, and the processing efficiency is ensured. The die retraction gaps among the die equal-dividing blocks are used for realizing inward shrinkage of the die equal-dividing blocks, so that the die equal-dividing blocks are prevented from being mutually extruded and worn in the process of inward movement shrinkage of the die equal-dividing blocks, and the processing effect during die assembly is reduced. On one hand, the matching of the female die and the impact assembly is facilitated, so that the matching positions of the impact assemblies and the corresponding female die equal blocks can be adjusted according to the needs, and discontinuous threads with various shapes, proportions and sizes can be impacted by the impact assemblies on the female die equal blocks; on the other hand, each independent female die is divided into equal blocks so as to facilitate later maintenance and replacement, thereby reducing the influence on production efficiency during maintenance and replacement.
Preferably, the discontinuous thread forming die further comprises a die stripping module and a die equal-dividing block stripping module, wherein the die equal-dividing block stripping module is positioned between the inner die assembly and the die equal-dividing block and provides an outward elastic restoring force for resetting the die equal-dividing block, and the die stripping module is positioned between the die and the frame and provides an upward elastic restoring force for the die.
The female die stripping piece is used for providing upward elastic restoring force for the female die, so that the female die moves upward under the drive of the elastic restoring force of the female die stripping piece when the upper die assembly returns to the original position, returns to the die opening position, and the female die equal-dividing block stripping piece is used for providing outward elastic restoring force for the female die equal-dividing block, driving the female die equal-dividing block to move outwards and returns to the die opening position, thereby improving the moving efficiency of the female die and the female die equal-dividing block returning to the die opening position.
Preferably, in the discontinuous thread forming die, a die inclined plane is formed on the inner side surface of the die, a die equal-block inclined plane is formed on the outer side surface of the die equal-block, and the die inclined plane and the die equal-block inclined plane are matched with each other.
The concave die inclined plane and the concave die equal-block inclined plane are matched with each other, and the downward movement of the concave die drives the inward movement of the concave die equal-block, so that the conversion from a die opening position to a die closing position is realized rapidly, and the processing is simpler and quicker.
Preferably, the discontinuous thread forming die comprises an inner die assembly, inner die equal-dividing blocks and a power device, wherein the inner die assembly is connected with the power device and driven by the power device to move up and down, the inner die equal-dividing blocks are in annular arrays around the outer sides of the inner die assembly, inner die retraction gaps are formed between the inner die equal-dividing blocks, and the power device drives the inner die assembly to move down and drive the inner die equal-dividing blocks to expand outwards through the inner die assembly at the die closing position.
The power device is used for driving the inner pull block to move up and down, the inner die is driven to expand outwards through the downward movement of the inner pull block, the inner wall of the cup to be processed can be further compressed through the inner die after the outward expansion, and therefore the supporting and positioning effects of the inner die assembly on the cup mouth of the cup to be processed are enhanced. And compress tightly the inner wall of waiting to process the cup through each independent centre form equal division piece, can guarantee the homogeneity of pressure, can improve simultaneously with the degree of agreeing with of striking the subassembly, further promote the impact effect of striking the subassembly, promote the quality of discontinuous screw thread that forms, and also be convenient for later maintenance change.
Preferably, in the discontinuous thread forming die, an inner pull block inclined plane is formed on the outer side surface of the inner pull block, an inner mold equal block inclined plane is formed on the inner side surface of the inner mold equal block, and the inner pull block inclined plane and the inner mold equal block inclined plane are matched with each other.
The inner pull block inclined plane is matched with the inner die equal block inclined plane, so that the inner pull block can easily drive the inner die equal block to move outwards through the inner pull block inclined plane and the inner die equal block inclined plane in the downward moving process, and the inner pull block is more time-saving, labor-saving, convenient and quick in driving.
Preferably, in the discontinuous thread forming die, the inner die equal-dividing block is provided with an impact groove matched with the impact assembly.
The impact groove is matched with the impact assembly, so that the impact assembly can be positioned, the impact precision of the impact assembly is improved, the impact depth of the impact assembly is limited, the cup mouth quality is prevented from being influenced by excessive impact of the cup body to be processed, and the consistency of the obtained discontinuous threads is improved.
Preferably, the discontinuous thread forming die further comprises an inner die equal block stripping module, wherein the inner die equal block stripping module is matched with the inner die equal block and provides inward elastic restoring force for the inner die equal block.
The inner mold equal-module stripping module is used for providing inward elastic restoring force for the inner mold equal-module and driving the inner mold equal-module to restore to the mold opening position after the processing is completed, and the processing is simpler and quicker.
Preferably, the discontinuous thread forming die further comprises a guide assembly, wherein the guide assembly is located between the die assembly and the inner die equal-dividing block and limits the moving travel of the die assembly and the inner die equal-dividing block, and the placing space is located between the guide assembly and the inner die equal-dividing block.
The guiding component can play a role in guiding and limiting, and guides the moving direction and the moving stroke of the concave die component and the inner die equal-division blocks, so that the impact stability and the impact precision of the impact component are further improved, and the stability of the inner die equal-division blocks during moving is improved.
Preferably, in the discontinuous thread forming die, the guide assembly comprises a guide block, the guide block is located between the die assembly and the inner die equal-dividing block and limits the moving stroke of the inner die equal-dividing block, the impact assembly penetrates through the guide block and limits the moving direction of the impact assembly through the guide block, and the placing space is located between the guide block and the inner die equal-dividing block.
The impact assembly penetrates through the guide block between the female die assembly and the inner die equal-dividing block, so that the moving direction of the impact assembly is limited through the guide block, the moving stability of the impact assembly can be improved, the impact effect is guaranteed, the guide block is further used for limiting the moving stroke of the inner die equal-dividing block, the matching precision of the inner die equal-dividing block and the impact assembly is guaranteed, and the impact effect is improved.
Preferably, in the discontinuous thread forming die, the guide assembly further comprises a guide slide block, the guide slide block is connected to the frame, the guide block is connected to the guide slide block, and the guide slide block is located below the inner mold equal-dividing block and limits the moving direction of the inner mold equal-dividing block.
The guide slide block can further limit the moving direction of the inner mold equal-dividing blocks, so that on one hand, the stability of the inner mold equal-dividing blocks during moving is further guaranteed, and on the other hand, the inner mold equal-dividing blocks can keep the stability of the positions of the inner mold equal-dividing blocks under the impact of the impact assembly, and therefore the matching precision of the inner mold equal-dividing blocks and the impact assembly is further guaranteed.
Preferably, in the discontinuous thread forming die, a T-shaped sliding groove is formed in the guide sliding block, a T-shaped sliding block matched with the T-shaped sliding groove is arranged on the inner die equal-dividing block, and the guide sliding block limits the moving direction of the inner die equal-dividing block through the T-shaped sliding groove and the T-shaped sliding block.
The T-shaped sliding groove is matched with the T-shaped sliding block, so that sliding connection of the inner mold equal-division blocks and the guide sliding block is realized, the structure of the T-shaped sliding groove and the T-shaped sliding block is beneficial to improving the stability of moving the inner mold equal-division blocks, and the effect of limiting the guide sliding block on the inner mold equal-division block moving direction is better ensured.
According to the invention, the discontinuous threads can be formed on the cup mouth of the cup body to be processed through the mutual matching of all the parts at one time, the processing speed is high, the roundness of the processed cup mouth can be ensured, the discontinuous threads obtained through processing are easier to clean, no harsh noise is generated in the process of covering with the cup cover, and the covering process is smoother.
Drawings
FIG. 1 is a schematic view of the structure of the present invention in a mold opening position;
FIG. 2 is a cross-sectional view I of the lower die assembly of the present invention in the open die position;
FIG. 3 is an enlarged view of a portion A of FIG. 2;
FIG. 4 is a second schematic view of the structure of the present invention in the mold opening position;
FIG. 5 is a second cross-sectional view of the lower die assembly of the present invention in the open die position;
FIG. 6 is a schematic view of the present invention in a closed mold position;
FIG. 7 is a cross-sectional view of the lower die assembly of the present invention in a closed position;
FIG. 8 is an exploded view of the lower die assembly of the present invention;
FIG. 9 is a schematic diagram of a die equal block and impact assembly according to the present invention;
FIG. 10 is a schematic diagram of an inner mold equal segment structure according to the present invention;
FIG. 11 is a schematic view of the structure of the guide block according to the present invention;
FIG. 12 is a schematic view of the structure of the inner mold equal dividing block and the guide sliding block in the present invention.
Detailed Description
The invention is described in further detail below in connection with figures 1-12 and the detailed description, which are not intended to limit the invention:
example 1
The utility model provides a discontinuous thread forming mould, includes last module 3, lower mould subassembly 1 includes die subassembly 12, centre form subassembly 14, impact subassembly 13 and frame 11, die subassembly 12 activity set up in on the frame 11, die subassembly 12 around in the outside of centre form subassembly 14 and be provided with between die subassembly 12 and the centre form subassembly 14 and place space 15, die subassembly 12 with go up module 3 position correspondence, impact subassembly 13 set up in on the die subassembly 12, go up module 3 drive die subassembly 12 inwards shrink and form the compound die position when driving impact subassembly 13 inwards to centre form the mould subassembly 14 department through die subassembly 12, go up module 3 and just die subassembly 12 outwards expands and drives impact subassembly 13 outwards to remove and form the die sinking position when breaking away from centre form subassembly 14.
When the die assembly is used, the cup mouth of the cup body to be processed is downwards placed on the inner die assembly 14, the cup mouth of the cup body to be processed is opposite to the inner die assembly 14 in position and is positioned through the inner die assembly 14, then the upper die assembly 3 is driven to downwards move, the upper die assembly 3 is contacted with the die assembly 12 and the die assembly 12 is driven to inwards shrink, the die assembly 12 drives the impact assembly 13 to inwards and rapidly move, the impact assembly 13 inwards impacts the outer surface of the cup mouth of the cup body to be processed, the cup mouth inwards forms a concave block, meanwhile, the inner die assembly 14 is abutted to the inside of the cup mouth, the inner die assembly 14 is matched with the impact assembly 13, the impact effect of the impact assembly 13 is guaranteed, and at the moment, the die assembly 13 forms a die assembly position. The impact assembly 13 may be configured as a plurality of impact pins and distributed around the cup opening, so that the concave blocks formed by impact on the cup opening are distributed into discontinuous threads. After the finish of the surface of the cup opening, the upper die assembly 3 is driven to move upwards, so that the female die assembly 12 moves outwards and the impact assembly 13 is separated from the cup opening, and the die opening position is formed.
Preferably, the die assembly 12 includes a die 123 and die halves 121, the die halves 121 are in an annular array around the outside of the die assembly 14 and located on the inside of the die 123, a die accommodating gap 128 is formed between each die half 121, the impact assembly 13 is disposed on each die half 121 and moves synchronously with the die halves 121, the die 123 is located below the upper die assembly 3, and the upper die assembly 3 drives the die 123 to move downward and drives each die half 121 to move synchronously inward through the die 123 so that the die clamping position is formed when the impact assembly 13 moves to the die assembly 14.
Preferably, the mold release module further comprises a mold release module 125 and a mold equally-divided block release module 122, wherein the mold equally-divided block release module 122 is positioned between the inner mold assembly 14 and the mold equally-divided block 121 and provides an outward elastic restoring force for resetting the mold equally-divided block 121, and the mold release module 125 is positioned between the mold 123 and the frame 11 and provides an upward elastic restoring force for the mold 123.
Preferably, a die inclined surface 124 is formed on the inner side surface of the die 123, a die aliquoting inclined surface 127 is formed on the outer side surface of the die aliquoting 121, and the die inclined surface 124 is matched with the die aliquoting inclined surface 127.
Preferably, the inner mold assembly 14 includes an inner pulling block 143, inner mold halves 145, and a power device 141, wherein the inner pulling block 143 is connected to the power device 141 and is driven by the power device 141 to move up and down, the inner mold halves 145 are annularly arranged around the outer side of the inner pulling block 143, an inner mold accommodating gap 147 is formed between the inner mold halves 145, and in the mold clamping position, the power device 141 drives the inner pulling block 143 to move down and drives the inner mold halves 145 to expand outwards through the inner pulling block 143.
Preferably, an inner pull block inclined surface 142 is formed on the outer side surface of the inner pull block 143, an inner mold equal block inclined surface 144 is formed on the inner side surface of the inner mold equal block 145, and the inner pull block inclined surface 142 is matched with the inner mold equal block inclined surface 144.
Preferably, the inner mold bisecting block 145 is provided with an impact groove 146 which is matched with the impact assembly 13.
Preferably, an inner mold half stripping block 126 is also included, the inner mold half stripping block 126 cooperating with the inner mold half 145 and providing an inward elastic restoring force to the inner mold half 145.
Preferably, the die assembly further comprises a guide assembly 2, wherein the guide assembly 2 is positioned between the die assembly 12 and the inner die bisecting block 145 and limits the moving stroke of the die assembly 12 and the inner die bisecting block 145, and the placing space 15 is positioned between the guide assembly 2 and the inner die bisecting block 145.
Preferably, the guide assembly 2 comprises a guide block 22, the guide block 22 is positioned between the die assembly 12 and the inner mold bisecting block 145 and limits the moving travel of the inner mold bisecting block 145, the impact assembly 13 penetrates through the guide block 22 and limits the moving direction of the impact assembly 13 through the guide block 22, and the placing space 15 is positioned between the guide block 22 and the inner mold bisecting block 145.
Preferably, the guide assembly 2 further includes a guide slider 21, the guide slider 21 is connected to the frame 11, the guide block 22 is connected to the guide slider 21, and the guide slider 21 is located below the inner mold bisecting block 145 and defines a moving direction of the inner mold bisecting block 145.
Preferably, the guiding slide 21 is provided with a T-shaped sliding slot 211, the inner mold equally dividing block 145 is provided with a T-shaped slide 148 matched with the T-shaped sliding slot 211, and the guiding slide 21 limits the moving direction of the inner mold equally dividing block 145 through the T-shaped sliding slot 211 and the T-shaped slide 148.
Specifically, as shown in fig. 1 and 2, the cup mouth of the cup to be processed is first placed at the inner mold bisecting block 145 downward, so that the cup wall of the cup to be processed is positioned in the placement space 15 formed between the inner mold bisecting block 145 and the guide block 22. The power device 141 is then activated and the inner pulling block 143 is moved downward as shown in fig. 4 and 5, wherein the power device 141 may be selected as a motor or a cylinder, and the inner pulling block 143 is moved downward to drive the inner mold halves 145 to expand outwards through the inner pulling block inclined surface 142 and the inner mold halves inclined surface 144. The sliding connection and the limit of the inner mold equal dividing block 145 and the guide slide block 21 are realized through the matching of the T-shaped slide block 148 arranged on the inner mold equal dividing block 145 and the T-shaped slide groove 211 arranged on the guide slide block 21 in the outward expansion process, so that the stability of the inner mold equal dividing block 145 in the outward expansion process is ensured. When the inner mold halves 145 expand outwardly and press against the inner wall of the cup to be machined, the inner mold halves 145 stop moving and firmly position the cup to be machined on the lower mold assembly 1.
Then, as shown in fig. 6 and 7, the upper die assembly 3 moves downward and presses against the die 123, so that the die 123 moves downward, the die segments 121 are driven to move inward rapidly by the mutual sliding of the die inclined plane 124 and the die segment inclined plane 127, and the impact assembly 13 is driven to move inward and impact the cup opening when the die segments 121 move inward rapidly because the impact assembly 13 is arranged on each die segment 121 and penetrates through the guide block 22, at this time, a die clamping position is formed, and then the impact assembly 13 forms a series of concave blocks at the cup opening and forms discontinuous threads through the distribution of the concave blocks under the cooperation of the inner die segment 145 and the impact assembly 13 on the inner wall and the outer wall of the cup opening, so that the production efficiency is greatly improved, and the roundness of the cup opening after the discontinuous threads are formed can be ensured.
After the processing is completed, the upper die assembly 3 is first driven to move upward so that the upper die assembly 3 is no longer pressed against the die 123. The female die 123 moves upward under the action of the female die stripping member 125 and releases the force on the female die equal segment 121, and the female die equal segment 121 moves outward under the action of the female die equal segment stripping member 122 and drives the impact assembly to move outward so as to separate from the cup mouth.
The power device 141 then drives the inner pull block 143 upward so that the inner pull block 143 no longer presses against the inner mold halves 145. The inner mold halves 145 move inwardly under the action of the inner mold halves stripping elements 126 and no longer press against the inner wall of the cup opening, at which point the cup with the non-continuous threaded cup opening can be removed. The inner mold equal block stripping module 126 can be placed in the T-shaped sliding groove 211 of the guide sliding block 21, and one end of the inner mold equal block stripping module 126 is abutted against the inner mold equal block 145, so that the inner mold equal block 145 can directly compress the inner mold equal block stripping module 126 when the inner mold equal block 145 moves outwards under the action of the inner pull block 143, and the inner mold equal block stripping module 126 can directly and rapidly drive the inner mold equal block 145 to return when the inner pull block 143 is not pressed against the inner mold equal block 145 any more, so that the efficiency in production and processing is higher.
In summary, the foregoing description is only of the preferred embodiments of the present invention, and all equivalent changes and modifications that come within the scope of the present invention are desired to be covered thereby.
Claims (5)
1. The utility model provides a discontinuous thread forming mould, includes last module (3), lower module (1), its characterized in that: the lower die assembly (1) comprises a die assembly (12), an inner die assembly (14), an impact assembly (13) and a frame (11), wherein the die assembly (12) is movably arranged on the frame (11), the die assembly (12) surrounds the outer side of the inner die assembly (14), a placement space (15) is arranged between the die assembly (12) and the inner die assembly (14), the die assembly (12) corresponds to the upper die assembly (3), the impact assembly (13) is arranged on the die assembly (12), the upper die assembly (3) drives the die assembly (12) to shrink inwards and form a die clamping position when the impact assembly (13) is driven to move inwards to the inner die assembly (14) through the die assembly (12), the upper die assembly (3) returns to the original position, and the die assembly (12) expands outwards and drives the impact assembly (13) to move outwards to separate from the inner die assembly (14) to form a die opening position;
the die assembly (12) comprises a die (123) and die equal blocks (121), the die equal blocks (121) are arranged in an annular array around the outer side of the die assembly (14) and located on the inner side of the die (123), die retraction gaps (128) are formed among the die equal blocks (121), the impact assembly (13) is arranged on each die equal block (121) and moves synchronously with the die equal blocks (121), the die (123) is located below the upper die assembly (3), and the upper die assembly (3) drives the die (123) to move downwards and drives each die equal block (121) to move inwards synchronously through the die (123) so that the die assembly (13) is formed in the die clamping position when moving to the die assembly (14);
the die comprises a die assembly (14), a die equally-divided block (121) and a die stripping module (125), wherein the die equally-divided block stripping module (122) is positioned between the die assembly (14) and the die equally-divided block (121) and provides an outward elastic restoring force for resetting the die equally-divided block (121), and the die stripping module (125) is positioned between the die (123) and the frame (11) and provides an upward elastic restoring force for the die (123);
a female die inclined plane (124) is formed on the inner side surface of the female die (123), a female die equal-dividing inclined plane (127) is formed on the outer side surface of the female die equal-dividing block (121), and the female die inclined plane (124) is matched with the female die equal-dividing inclined plane (127);
the internal mold assembly (14) comprises internal drawing blocks (143), internal mold equal-dividing blocks (145) and a power device (141), wherein the internal drawing blocks (143) are connected with the power device (141) and driven by the power device (141) to move up and down, the internal mold equal-dividing blocks (145) are arranged around the outer sides of the internal drawing blocks (143) in an annular array, internal mold retracting gaps (147) are formed among the internal mold equal-dividing blocks (145), and in the mold closing position, the power device (141) drives the internal drawing blocks (143) to move down and drives the internal mold equal-dividing blocks (145) to expand outwards through the internal drawing blocks (143);
an inner pull block inclined plane (142) is formed on the outer side surface of the inner pull block (143), an inner mold equal-dividing inclined plane (144) is formed on the inner side surface of the inner mold equal-dividing block (145), and the inner pull block inclined plane (142) is matched with the inner mold equal-dividing inclined plane (144);
an impact groove (146) matched with the impact assembly (13) is formed in the inner mold equal-dividing block (145);
the device further comprises an inner mold equal block stripping module (126), wherein the inner mold equal block stripping module (126) is matched with the inner mold equal block (145) and provides inward elastic restoring force for the inner mold equal block (145).
2. A discontinuous thread forming die as claimed in claim 1, wherein: the die assembly further comprises a guide assembly (2), the guide assembly (2) is located between the die assembly (12) and the inner die equal dividing block (145) and limits the moving stroke of the die assembly (12) and the inner die equal dividing block (145), and the placing space (15) is located between the guide assembly (2) and the inner die equal dividing block (145).
3. A discontinuous thread forming die as claimed in claim 2, wherein: the guide assembly (2) comprises a guide block (22), the guide block (22) is positioned between the die assembly (12) and the inner die equal dividing block (145) and limits the moving stroke of the inner die equal dividing block (145), the impact assembly (13) penetrates through the guide block (22) and limits the moving direction of the impact assembly (13) through the guide block (22), and the placing space (15) is positioned between the guide block (22) and the inner die equal dividing block (145).
4. A discontinuous thread forming die according to claim 3, wherein: the guide assembly (2) further comprises a guide sliding block (21), the guide sliding block (21) is connected to the frame (11), the guide block (22) is connected to the guide sliding block (21), and the guide sliding block (21) is located below the inner mold equal dividing block (145) and limits the moving direction of the inner mold equal dividing block (145).
5. A discontinuous thread forming die as claimed in claim 4, wherein: the guide sliding block (21) is provided with a T-shaped sliding groove (211), the inner mold equal-dividing block (145) is provided with a T-shaped sliding block (148) matched with the T-shaped sliding groove (211), and the guide sliding block (21) limits the moving direction of the inner mold equal-dividing block (145) through the T-shaped sliding groove (211) and the T-shaped sliding block (148).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811084956.9A CN108856521B (en) | 2018-09-18 | 2018-09-18 | Discontinuous thread forming die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811084956.9A CN108856521B (en) | 2018-09-18 | 2018-09-18 | Discontinuous thread forming die |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108856521A CN108856521A (en) | 2018-11-23 |
| CN108856521B true CN108856521B (en) | 2023-11-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811084956.9A Active CN108856521B (en) | 2018-09-18 | 2018-09-18 | Discontinuous thread forming die |
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| Country | Link |
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| CN (1) | CN108856521B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109622697B (en) * | 2019-01-29 | 2024-01-16 | 浙江哈尔斯真空器皿股份有限公司 | Reinforcement punching die |
| CN111332055A (en) * | 2020-03-23 | 2020-06-26 | 浙江哈尔斯真空器皿股份有限公司 | Pressing die for continuous patterns on surface of thin-wall metal shell of cup or pot |
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| JPH1157907A (en) * | 1997-08-26 | 1999-03-02 | Hayashi Toshiomi | Formation of screw stripe on metallic tube, manufacture of oil supply metallic mouth piece and forming die therefor |
| CN206287474U (en) * | 2016-12-14 | 2017-06-30 | 宁波可逢日用品制造有限公司 | Vacuum flask body die |
| CN206536792U (en) * | 2017-02-24 | 2017-10-03 | 宁波可逢日用品制造有限公司 | Vacuum flask body mould |
| CN107252848A (en) * | 2017-06-30 | 2017-10-17 | 张家港幸运金属工艺品有限公司 | Locking lid side wall external screw thread punch forming module |
| CN108188281A (en) * | 2018-03-19 | 2018-06-22 | 四川天坤模具制造有限公司 | The expansion machine structure of stamping die |
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2018
- 2018-09-18 CN CN201811084956.9A patent/CN108856521B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1157907A (en) * | 1997-08-26 | 1999-03-02 | Hayashi Toshiomi | Formation of screw stripe on metallic tube, manufacture of oil supply metallic mouth piece and forming die therefor |
| CN206287474U (en) * | 2016-12-14 | 2017-06-30 | 宁波可逢日用品制造有限公司 | Vacuum flask body die |
| CN206536792U (en) * | 2017-02-24 | 2017-10-03 | 宁波可逢日用品制造有限公司 | Vacuum flask body mould |
| CN107252848A (en) * | 2017-06-30 | 2017-10-17 | 张家港幸运金属工艺品有限公司 | Locking lid side wall external screw thread punch forming module |
| CN108188281A (en) * | 2018-03-19 | 2018-06-22 | 四川天坤模具制造有限公司 | The expansion machine structure of stamping die |
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| Publication number | Publication date |
|---|---|
| CN108856521A (en) | 2018-11-23 |
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