CN202683900U - Cold upsetting mould of clamping pin - Google Patents
Cold upsetting mould of clamping pin Download PDFInfo
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- CN202683900U CN202683900U CN 201220037918 CN201220037918U CN202683900U CN 202683900 U CN202683900 U CN 202683900U CN 201220037918 CN201220037918 CN 201220037918 CN 201220037918 U CN201220037918 U CN 201220037918U CN 202683900 U CN202683900 U CN 202683900U
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Abstract
The utility model is applicable to the technical field of machining and provides a cold upsetting mould of a clamping pin. The cold upsetting mould of the clamping pin comprises two male moulds including a first workstation male mould and a second workstation male mould, and a female mould including a first workstation female mould which corresponds to the first workstation male mould and the second workstation male mould, wherein the two male moulds and the female mould are fixed on a cold upsetting machine which is provided with a manipulator for moving a billet between the two male moulds and the female mould and can perform primary upsetting and final upsetting on the head of the clamping pin of the billet and perform final upsetting on the rod part of the clamping pin of the billet. The cold upsetting mould of the clamping pin improves the clamping pin machining precision and efficiency.
Description
Technical field
The utility model relates to the Machining Technology field, relates in particular to a kind of cold upsetting die of car of position blocking pin.
Background technology
In the prior art, adjustable safety band height, height regulator for automobile safety belt easy to operate and simple in structure comprise rail brackets and install slide block and positioner on rail brackets.Slide block axially consists of slippage along rail brackets and cooperates, and positioner is installed on the slide block and consist of spacing cooperation between slide block and rail brackets.Adopt technique scheme, by being fixedly arranged on the positioner on the slide block, realize the location that slide block can carry out in needed position in the rail brackets axial slip on rail brackets.This location is provisional, if needed, can also bring in and realizes that position blocking pin leg on shift fork swings by pressing one of shift fork, realizes that position blocking pin moves along self axial elasticity, and then so that the spacing releasing between position blocking pin and rail brackets.And then realize location between slide block and rail brackets by sliding slider.
Because position blocking pin part precision and structure are special, existing manufacturing process is these parts of machine cut processing and manufacturing.The position blocking pin processing technology is: bar-rough turn-heat treatment-finish turning-surface treatment (zinc-plated)-packing.Machine cut processing position blocking pin production efficiency is low, and main production process turning working (machining) efficiency is less than or equal to 6PCS/min, and stock utilization is low, is about 25%.Because of the wearing and tearing of cutting tool, cause its percent defective higher, therefore its product cost is high simultaneously.In addition, because the position blocking pin structure is special, existing manufacturing process mainly relies on the turning process of machining center to guarantee its product quality, and the machining center equipment price is expensive, and import equipment is approximately 1,000,000 far away, and working (machining) efficiency is low, approximately 2.5min/PCS.Because of machining, produce more waste material simultaneously; Its metal streamline is also therefore destroyed, and product fatigue strength is far below forging processing.
In summary, the process technology of existing position blocking pin obviously exists inconvenience and defective in actual use, so be necessary to be improved.
The utility model content
For above-mentioned defective, the purpose of this utility model is to provide a kind of cold upsetting die of car of position blocking pin, to improve precision and the efficient of position blocking pin processing.
In order to realize the foregoing invention purpose, the utility model provides a kind of cold upsetting die of car of position blocking pin, and described cold upsetting die of car comprises:
Two groups of formpistons comprise the first and second station formpistons;
One group of former comprises the first station former corresponding with described the first station formpiston and the second station formpiston;
Described two groups of formpistons and one group of former are fixed in the manipulator that material base is displaced between described two groups of formpistons and the one group of former, and described material base carried out the first upsetting of position blocking pin head and whole upsetting processing, described material base is carried out on the cold headers of whole upsetting processing of described screens pin rod section.
According to described cold upsetting die of car, described the first station formpiston comprises:
The first formpiston cover is fixed on the described cold headers;
The first pre-punch die is arranged in described the first formpiston cover, and its top is provided with the first cushion block, is provided with the first formpiston die cavity in the described first pre-punch die;
The first cushion block is arranged in described the first formpiston cover, and is connected with described the first formpiston die cavity;
The first pre-die center is arranged in the first formpiston die cavity of the described first default punch die; The described first pre-die center comprises the first die cavity;
Described the first station former comprises:
The first former cover is fixed on the described cold headers;
The first former is arranged in described the first former cover, is provided with the first cavity impression on its axial line;
The first matrix is arranged at the port of described the first cavity impression;
The first push rod is arranged in described the first cavity impression, and with the described first pre-die center on same axial line.
According to described cold upsetting die of car, described the first cavity impression comprises the whole upsetting forming part of screens pin rod section and the first first upsetting forming part of position blocking pin head;
Described the first die cavity comprises the second first upsetting forming part of position blocking pin head; The whole upsetting forming part of described screens pin rod section is arranged at the inner of the first cavity impression, described first just the upsetting forming part be arranged at the outer end of the first cavity impression;
The size of the described first first upsetting forming part and the second first upsetting forming part combining structure and the first upsetting size of described position blocking pin head are suitable;
The whole upsetting size of the whole upsetting forming part size of described screens pin rod section and described screens pin rod section is suitable.
According to described cold upsetting die of car, described the second station formpiston comprises:
The second formpiston cover is fixed on the described cold headers;
The second pre-punch die is arranged in described the second formpiston cover, and its top is provided with the second cushion block, is provided with the second formpiston die cavity in the described second pre-punch die;
The second cushion block is arranged in described the second formpiston cover, and is connected with described the second formpiston die cavity;
The second pre-die center is arranged in the second formpiston die cavity of the described second default punch die, is provided with the second die cavity in the described second pre-die center.
According to described cold upsetting die of car, described the second die cavity comprises the whole upsetting forming part of described position blocking pin head; The whole upsetting forming part of described position blocking pin head is arranged at the outer end of described the second die cavity;
The whole upsetting forming part size of described position blocking pin head and the whole upsetting size of described position blocking pin head are suitable.
According to described cold upsetting die of car, the described first pre-die center is identical with the structure of the second pre-die center.
The described first pre-punch die is identical with the structure of the second pre-punch die.
According to described cold upsetting die of car, the described first pre-die center and the second pre-die center measure-alike;
The described first pre-punch die and the second pre-punch die measure-alike; Perhaps
Be provided with steam vent between described the first former cover and described the first former;
Cephalic par in described the second formpiston die cavity has an outer chamfering;
Described the first matrix has the 3rd die cavity; The bottom of described the 3rd die cavity longitudinal section is a rounding; The dual-side that described rounding connects is the angle of 40 degree.
According to described cold upsetting die of car, described the first station formpiston and the second station formpiston are made of Hardmetal materials and hot die steel two parts interference fit respectively, and described the first formpiston cover and the first die core matched in clearance;
Described the first former cover is fixed in described cold headers by a locking device.
According to described cold upsetting die of car, described locking device comprises locking nut; Described the first former cover is locking type matrix cover;
Described the first former cooperates with described locking type matrix cover gap;
The first matrix and described locking type matrix inner room are prestressing combination cover mode structure.
According to described cold upsetting die of car, two hangers about the first upsetting moulding of described position blocking pin head and whole upsetting moulding include.
The utility model by the processing method with position blocking pin then is: wire rod-cold-heading-turning-heat treatment-surface treatment-packing.The position blocking pin cold upsetting die of car that wherein provides in cold-heading processing is comprised of two station formpistons and a station the moon, and the position blocking pin cold-heading processing by two stations can improve the position blocking pin working (machining) efficiency, and guarantee Product Precision.The main manufacturing procedure of position blocking pin is cold-heading processing, and working (machining) efficiency is high, can bring up to 〉=75PCS/min, and the utilization rate of material is about 98%, and product cost is low.And the die wear amount is minimum in the manufacture process of position blocking pin, therefore position blocking pin product quality is very stable, has solved fundamentally that position blocking pin efficient is low, material use rate variance, the bad difficult problem of quality stability, and greatly reduces the manufacturing cost of product.For condition has been created in the extensive utilization of position blocking pin, simultaneously also for manufacturer has saved the portioned product cost, its technology uses prospect extensive.
Description of drawings
Fig. 1 is the processing material base structural representation of the position blocking pin that provides of embodiment of the present utility model;
Fig. 2 A is the half-finished front view of cold-heading of the position blocking pin that provides of embodiment of the present utility model;
Fig. 2 B is the half-finished side view of cold-heading of the position blocking pin that provides of embodiment of the present utility model;
Fig. 3 A is the front view of the cold-heading finished product of the position blocking pin that provides of embodiment of the present utility model;
Fig. 3 B is the side view of the cold-heading finished product of the position blocking pin that provides of embodiment of the present utility model;
Fig. 4 A is the front view of the position blocking pin that provides of embodiment of the present utility model;
Fig. 4 B is the side view of the position blocking pin that provides of embodiment of the present utility model;
Fig. 5 is the heat treatment process specification figure of the position blocking pin that provides of embodiment of the present utility model;
Fig. 6 is the first station cold-heading preformed schematic diagram that embodiment of the present utility model provides;
Fig. 7 is the second station cold-heading preformed schematic diagram that embodiment of the present utility model provides;
Fig. 8 A is the front view of first, second pre-die center of providing of embodiment of the present utility model;
Fig. 8 B is the side view of first, second pre-die center of providing of embodiment of the present utility model;
Fig. 9 A is the front view of first, second pre-punch die of providing of embodiment of the present utility model;
Fig. 9 B is the side view of first, second pre-punch die of providing of embodiment of the present utility model;
Figure 10 A is the front view of the first station former of providing of embodiment of the present utility model;
Figure 10 B is the side view of the first station former of providing of embodiment of the present utility model;
Figure 10 C be among Figure 10 B A-A to cutaway view.
The specific embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
In the utility model, the main process flow process of position blocking pin 60 is as follows:
1, material base is prepared: according to the required wire diameter of reality and the used trade mark, prepare material.In an embodiment of the present utility model, the material of material base 1: SWCH45K (JIS G 3507), wire diameter
2, cold-heading operation: 61 pre-profiling of position blocking pin head and 62 moulding of screens pin rod section.
3, turning processing: the final shaping unit of position blocking pin head 61.
4, heat treatment process operation: satisfy the comprehensive mechanical property requirement of product.
5, surface treatment procedure: the surface anticorrosive performance and the appearance requirement that satisfy product.
6, always examine and pack.
Wherein, position blocking pin 60 hardness requirement HRC28～33, adopting as shown in Figure 5, heat treatment process specification satisfies its requirement: Equipment for Heating Processing adopts net belt type heat-treatment quenching stove+net belt type tempering furnace.The Technology for Heating Processing flow process is: (860 ± 10 ℃ of temperature, 60 minutes time) → oil cooling (oil temperature 60-80 ℃) → centre cleaning → tempering (500 ± 10 ℃ of temperature, 120 minutes the time) → air cooling of weighing → front cleaning → hot blast drying → quenching.Require at surface treatment procedure: plating zinc on surface, more than the thickness 8 μ m, neutral salt spray test took out cleaning and hangs 24 hours after 50 hours, and the surface is without red rust.The utility model adopts following technological process to satisfy its requirement: degreasing (or degreasing and rust removal) → washing → pickling (or eliminate rust and descale) → washing → electrogalvanizing → washing → dehydrogenation → trivalent chromium passivation → washing → centrifuge dries → oven dry.Detect size, mechanical property, corrosion resistance and outward appearance etc., qualified rear packing, delivery according to technique at last.
In the utility model, the high processing charges that face for solving Cutter Body Processing with Machining Center position blocking pin 60, every processing cost is about the high expense of 35 yuan/part, the problem that working (machining) efficiency is low, and realize the problems such as position blocking pin 60 quality stability, fatigue strength, the utility model mainly adopts the cold-heading processing to reach the product size required precision.Its advantage is: working (machining) efficiency is high, and its working (machining) efficiency is more than or equal to 75/minute, and cost of goods manufactured is low; Produce without cutting, material is lossless; The forging mold wearing and tearing are very slow, and approximately 400,000/cover, the product size precision is easy to guarantee; The resultant metal streamline is continuous, and fatigue strength also is higher than the machining part.Minimum because of die wear amount in its manufacture process, therefore its product quality is very stable, fundamentally solve the difficult problem that position blocking pin efficient is low, stock utilization is low, quality stability is bad, and greatly reduced the manufacturing cost of product.
Referring to Fig. 6 and Fig. 7, in the first embodiment of the present utility model, provide a kind of cold upsetting die of car 100 of position blocking pin, cold upsetting die of car 100 comprises:
Two groups of formpistons comprise the first and second station formpistons 10,30;
One group of former comprises the first station former 20 corresponding with the first station formpiston 10 and the second station formpiston 30;
Described two groups of formpistons and one group of former are fixed in the manipulator that material base 1 is displaced between described two groups of formpistons and the one group of former, and material base 1 are carried out first upsetting and the whole upsetting processing of the head 61 of position blocking pin; Material base 1 is carried out on the cold headers of whole upsetting processing of screens pin rod section 62.
What position blocking pin 60 adopted is cold extrusion shaped+cutting forming method.Therefore when carrying out technological design, at first product material base 1 is calculated accurately, then determine the diameter of product processes materials, and calculate hangers, comprise length and the bar section materials length of machining allowance materials.According to the key elements such as structure of product, connecting shaping station number reasonably distributes the deflection of each station again, determines the technological parameter of each station die cavity, determines at last the cavity dimension of each station die according to technological parameter.
Referring to Fig. 6 and Fig. 7, in the second embodiment of the present utility model, the first station formpiston 10 comprises:
The first formpiston cover 11 is fixed on the described cold headers;
The first pre-punch die 12 is arranged in the first formpiston cover 11, and its top is provided with in the first cushion block 13, the first pre-punch dies 12 and is provided with the first formpiston die cavity 121;
The first cushion block 13 is arranged in the first formpiston cover 11, and is connected with the first formpiston die cavity 121;
The first pre-die center 17 is arranged in the first formpiston die cavity 121 of the first default punch die 12, and the first pre-die center 17 has the first die cavity 111;
The first station former 20 comprises:
The first former cover 21 is fixed on the described cold headers;
The first former 22 is arranged in the first former cover 21, is provided with the first cavity impression 221 on its axial line;
The first matrix 23 is arranged at the port of the first cavity impression 221;
The first push rod 24 is arranged in the first cavity impression 221, and with the first pre-die center 12 on same axial line.
Carry out the processing of position blocking pin 60 first stations by the first station formpiston 10 and the first station former 20; This station is just upsetting, also is the crucial station of screens pin rod section 62 moulding.Manipulator is cut technological requirement by the blank station material base 1 is sent to the former mouth of the first station former 20, the cold headers slide block travels forward, namely to close the first station former 20 directions, the part material enters the first station former 20 under the push effect of the first pre-die center 12, carry out the total closed type forward extrusion in the first former 22.Referring to Fig. 2 A and Fig. 2 B, by the extruding of the first station formpiston 10, screens pin rod section 62 finishes whole upsetting moulding by technological requirement, and the 61 just upsettings of position blocking pin head are to predetermined process.
In a preferred embodiment of the present utility model, referring to Fig. 2 A～2B, Fig. 8 A～Fig. 8 B and Figure 10 A; The first cavity impression 221 comprises the whole upsetting forming part 621 of screens pin rod section 62 and the first first upsetting forming part 611 of position blocking pin head 61; The first die cavity 111 comprises the second first upsetting forming part 612 of position blocking pin head 61; The whole upsetting forming part 621 of screens pin rod section 62 is arranged at the inner of the first cavity impression 221, and the first first upsetting forming part 611 of position blocking pin head 61 is arranged at the outer end of the first cavity impression 221; The first upsetting size of the first first upsetting forming part 611 of position blocking pin head 61 and the size of the second first upsetting forming part 612 combining structures and position blocking pin head 61 is suitable; Whole upsetting forming part 621 sizes of screens pin rod section 61 and the whole upsetting size of screens pin rod section 61 are suitable.By such structure and size setting, jointly be pressed through cold-heading processing by the first station former 20 and the second station former 10, obtain cold-heading semi-finished product 40.
The first station formpiston 10 adopts prestressed combined structure, is formed by Hardmetal materials YG20C and hot die steel H13 interference fit, and 12 of the first formpiston cover the 11 and first pre-die center adopt the gap sliding fit, and gap width is about 0.02～0.03mm.The first station former 20 is whole former, adopts fabricated structure.The first concrete station former 20 is made of the first former cover the 21, first matrix 23, the first formers 22 and locking nut 15.Wherein the first former cover 21 is locking type matrix cover, 22 of locking type matrix cover and the first formers adopt the gap sliding fit, the first matrix 23 adopts prestressing combination cover mode structure with locking type matrix inner room, is namely formed by Hardmetal materials G50 and hot die steel H13 interference fit.
Referring to Fig. 6, in the process of the first station, the first station formpiston 10 is fixed on the cold headers by the first formpiston cover 11, and the first former 22 is fixed on the cold headers motionless by locking type matrix cover.During distortion, the die orifice of the first former 22 delivered to the material base 1 that cuts off by manipulator, the cold headers master slider drives the first pre-die center 12 by the first formpiston cover 11 and moves forward, namely move to the first former 22 directions, when master slider continues forward, material base 1 is headed into the former hole of the first former 22 under the effect of the first pre-die center 12, this moment, material base 1 two ends were fixed on the same central axis of positive and negative mould.Manipulator opens abdicates the space, makes the first pre-die center 12 promote material and enters the former oral area, because master slider forces the first pre-die center 12 to promote material and continues to enter modification in the first former 22 still forward.And the first pre-die center 12 still moves forward under master slider drives the most front some the time, material is under the punching press of the first pre-die center 12, position blocking pin head 61 materials partly are upset as technique preliminary dimension in the first cavity impression 221 of sealing, simultaneously screens pin rod section 62 finishes eventually distortion of cold-heading, obtains the cold-heading semi-finished product 40 shown in Fig. 3 A and 3B.
In the third embodiment of the present invention, the second station formpiston 30 of cold upsetting die of car 100 comprises referring to Fig. 7, Fig. 9 A and 9B:
The second formpiston cover 31 is fixed on the described cold headers;
The second pre-punch die 32 is arranged in the second formpiston cover 31, and its top is provided with in the second cushion block 33, the second pre-punch dies 32 and is provided with the second formpiston die cavity 321;
The second cushion block 33 is arranged in the second formpiston cover 31, and is connected with the second formpiston die cavity 321;
The second pre-die center 34 is arranged in the second formpiston die cavity 321 of the second default punch die 32, is provided with the second die cavity 341 in the described second pre-die center 34.
In this embodiment, the second station formpiston 30 and the first station former 20 carry out the cold-heading processing of the second station.This station is position blocking pin head 61, i.e. the cold-heading final shaping unit of the hangers of position blocking pin 60.Extruding by this station the second station formpiston 30, cold-heading semi-finished product 40 carry out the total closed type forward extrusion in the first station former 20, position blocking pin head 61 is finished the cold-heading final shaping unit by technological requirement, the cold-heading finished product 50 of acquisition shown in Fig. 3 A～Fig. 3 B, for the turning final molding of next station ready.Position blocking pin 60 is shown in Fig. 4 A～Fig. 4 B after the turning.
Referring to Fig. 8 A and Fig. 8 B, in this embodiment, the second die cavity 341 comprises the whole upsetting forming part 3411 of position blocking pin head 61; The whole upsetting forming part 3411 of position blocking pin head 61 is arranged at the outer end of the second die cavity 341; Whole upsetting forming part 3411 sizes of position blocking pin head 61 and the whole upsetting size of position blocking pin head 61 are suitable.
The second station is position blocking pin head 61 cold-heading final shaping units, and this station and the first station share same former, thus do not need manipulator to transmit material, and the formpiston part of the male mould section separation structure of this station and size and the first station is just the same.Wherein the second pre-punch die 32 is fixed on the cold headers by the second formpiston cover 31, and the first station former 20 is fixed on the cold headers motionless by locking type matrix cover.During distortion, the second station formpiston 30 integral body are upper motion first, and when the second station formpiston 30 moves on the first station former 20 same axis, the cold headers master slider drives the second station punch die 32 and moves forward, namely to moving near the first former 22 directions.Under the effect of the second station punch die 32, cold-heading semi-finished product 40 beginning modification, when master slider moved forward at the most front, cold-heading semi-finished product 40 were in larger axial normal pressure and radially finish the distortion acquisition cold-heading finished product 50 of the second station under the tension effect.In the utility model, the preferred first pre-die center 17 is identical with the structure of the second pre-die center 34; The first pre-punch die 12 is identical with the structure of the second pre-punch die 32.Further, can be the measure-alike of the first pre-die center 17 and the second pre-die center 34; The first pre-punch die 12 and the second pre-punch die 32 measure-alike.Carry out the cold-heading finished product 50 that the i.e. acquisition of twice cold-heading processing needs by the parameter of adjusting cold headers.In above-mentioned a plurality of embodiment, two hangers about the first upsetting moulding of position blocking pin head 61 and whole upsetting moulding include, so hangers do not need larger turning processing, saved rapidoprint.And the label of die joint is 70.
Referring to Figure 10 A～Figure 10 C, be provided with steam vent 211 between the first former cover the 21 and first former 22; The gas discharging that produces in cold-heading processing can be gone out by this steam vent 211, to guarantee the quality of product.Cephalic par in the second formpiston die cavity 321 has an outer chamfering 3211; Outer chamfering 3211 is 5 degree chamferings.The cold-heading processing that such chamfering is beneficial to formpiston is set.
In addition, the first matrix 23 has the 3rd die cavity 231; The bottom of the 3rd die cavity 231 longitudinal sections is a rounding 232; The dual-side that rounding 232 connects is the angle of 40 degree, such as a angle among Figure 10 C.Be squeezed into this finished product of cold-heading 40 and cold-heading finished product 50 by the first matrix 23.
In addition, in embodiment of the present utility model, the first station formpiston 10 and the second station formpiston 30 are made of Hardmetal materials and hot die steel two parts interference fit, and described the first formpiston cover the 11 and first pre-die center 12 matched in clearance; The first former cover 11 is fixed in described cold headers by a locking device.Referring to Fig. 7 and Figure 10 A, locking device comprises locking nut 15.
The utility model mainly by adopting cold-heading extruding and turning to finish the processing of position blocking pin 60, makes its dependency structure and dimensional accuracy meet processing request fully.And the utility model key technology is parameter selection, setting and related die design, the manufacturing of the Forging Technology of cold-heading extruding.Because this product requirement is special, therefore the structural design manufacturing of cold upsetting die of car 100 also becomes key of the present utility model.
In sum, the utility model by the processing method with position blocking pin then is: wire rod-cold-heading-turning-heat treatment-surface treatment-packing.The position blocking pin cold upsetting die of car that wherein provides in cold-heading processing is comprised of two station formpistons and a station the moon, and the position blocking pin cold-heading processing by two stations can improve the position blocking pin working (machining) efficiency, and guarantee Product Precision.The main manufacturing procedure of position blocking pin is cold-heading processing, and working (machining) efficiency can be brought up to 〉=75PCS/min, and the utilization rate of material is about 98%, and product cost is low.And the die wear amount is minimum in the manufacture process of position blocking pin, therefore position blocking pin product quality is very stable, has solved fundamentally that position blocking pin efficient is low, material use rate variance, the bad difficult problem of quality stability, and greatly reduces the manufacturing cost of product.For condition has been created in the extensive utilization of position blocking pin, simultaneously also for manufacturer has saved the portioned product cost, its technology uses prospect extensive.
Certainly; the utility model also can have other various embodiments; in the situation that do not deviate from the utility model spirit and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the utility model, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the utility model.
Claims (10)
1. the cold upsetting die of car of a position blocking pin is characterized in that, described cold upsetting die of car comprises:
Two groups of formpistons comprise the first and second station formpistons;
One group of former comprises the first station former corresponding with described the first station formpiston and the second station formpiston;
Described two groups of formpistons and one group of former are fixed in the manipulator that material base is displaced between described two groups of formpistons and the one group of former, and described material base carried out the first upsetting of position blocking pin head and whole upsetting processing, described material base is carried out on the cold headers of whole upsetting processing of described screens pin rod section.
2. cold upsetting die of car according to claim 1 is characterized in that, described the first station formpiston comprises:
The first formpiston cover is fixed on the described cold headers;
The first pre-punch die is arranged in described the first formpiston cover, and its top is provided with the first cushion block, is provided with the first formpiston die cavity in the described first pre-punch die;
The first cushion block is arranged in described the first formpiston cover, and is connected with described the first formpiston die cavity;
The first pre-die center is arranged in the first formpiston die cavity of the described first default punch die; The described first pre-die center comprises the first die cavity;
Described the first station former comprises:
The first former cover is fixed on the described cold headers;
The first former is arranged in described the first former cover, is provided with the first cavity impression on its axial line;
The first matrix is arranged at the port of described the first cavity impression;
The first push rod is arranged in described the first cavity impression, and with the described first pre-die center on same axial line.
3. cold upsetting die of car according to claim 2 is characterized in that, described the first cavity impression comprises the whole upsetting forming part of screens pin rod section and the first first upsetting forming part of position blocking pin head;
Described the first die cavity comprises the second first upsetting forming part of position blocking pin head; The whole upsetting forming part of described screens pin rod section is arranged at the inner of the first cavity impression, described first just the upsetting forming part be arranged at the outer end of the first cavity impression;
The size of the described first first upsetting forming part and the second first upsetting forming part combining structure and the first upsetting size of described position blocking pin head are suitable;
The whole upsetting size of the whole upsetting forming part size of described screens pin rod section and described screens pin rod section is suitable.
4. cold upsetting die of car according to claim 3 is characterized in that, described the second station formpiston comprises:
The second formpiston cover is fixed on the described cold headers;
The second pre-punch die is arranged in described the second formpiston cover, and its top is provided with the second cushion block, is provided with the second formpiston die cavity in the described second pre-punch die;
The second cushion block is arranged in described the second formpiston cover, and is connected with described the second formpiston die cavity;
The second pre-die center is arranged in the second formpiston die cavity of the described second default punch die, is provided with the second die cavity in the described second pre-die center.
5. cold upsetting die of car according to claim 4 is characterized in that, described the second die cavity comprises the whole upsetting forming part of described position blocking pin head; The whole upsetting forming part of described position blocking pin head is arranged at the outer end of described the second die cavity;
The whole upsetting forming part size of described position blocking pin head and the whole upsetting size of described position blocking pin head are suitable.
6. cold upsetting die of car according to claim 5 is characterized in that, the described first pre-die center is identical with the structure of the second pre-die center;
The described first pre-punch die is identical with the structure of the second pre-punch die.
7. cold upsetting die of car according to claim 6 is characterized in that,
Be provided with steam vent between described the first former cover and described the first former;
Cephalic par in described the second formpiston die cavity has an outer chamfering;
Described the first matrix has the 3rd die cavity; The bottom of described the 3rd die cavity longitudinal section is a rounding; The dual-side that described rounding connects is the angle of 40 degree.
8. cold upsetting die of car according to claim 7, it is characterized in that, described the first station formpiston and the second station formpiston are made of Hardmetal materials and hot die steel two parts interference fit respectively, and described the first formpiston cover and the first die core matched in clearance;
Described the first former cover is fixed in described cold headers by a locking device.
9. cold upsetting die of car according to claim 8 is characterized in that, described locking device comprises locking nut; Described the first former cover is locking type matrix cover;
Described the first former cooperates with described locking type matrix cover gap;
The first matrix and described locking type matrix inner room are prestressing combination cover mode structure.
10. cold upsetting die of car according to claim 1 is characterized in that, two hangers about the first upsetting moulding of described position blocking pin head and whole upsetting moulding include.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220037918 CN202683900U (en) | 2012-02-06 | 2012-02-06 | Cold upsetting mould of clamping pin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220037918 CN202683900U (en) | 2012-02-06 | 2012-02-06 | Cold upsetting mould of clamping pin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202683900U true CN202683900U (en) | 2013-01-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220037918 Expired - Lifetime CN202683900U (en) | 2012-02-06 | 2012-02-06 | Cold upsetting mould of clamping pin |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106270200A (en) * | 2016-08-31 | 2017-01-04 | 重庆达扬精密模具有限公司 | A kind of six lobe assembling die and processing methods thereof |
| CN107335767A (en) * | 2017-09-04 | 2017-11-10 | 江西洪都航空工业集团有限责任公司 | A kind of cruciform slot screw cold-heading molding processing mold and its processing technology |
| CN107639195A (en) * | 2017-09-28 | 2018-01-30 | 中国航空工业标准件制造有限责任公司 | One mould two rushes the assembling die that type is made in the continuous upsetting of hexagon-headed bolt |
| CN108955749A (en) * | 2017-05-18 | 2018-12-07 | 东京威尔斯股份有限公司 | Workpiece appearance inspection device and workpiece appearance inspection method |
| CN112756546A (en) * | 2020-12-17 | 2021-05-07 | 常熟市标准件厂有限公司 | Process for improving flatness of end face of bolt tail |
| CN113926967A (en) * | 2021-10-13 | 2022-01-14 | 厦门市富惠螺丝工业有限公司 | Processing technology and die for fixed shaft |
-
2012
- 2012-02-06 CN CN 201220037918 patent/CN202683900U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106270200A (en) * | 2016-08-31 | 2017-01-04 | 重庆达扬精密模具有限公司 | A kind of six lobe assembling die and processing methods thereof |
| CN108955749A (en) * | 2017-05-18 | 2018-12-07 | 东京威尔斯股份有限公司 | Workpiece appearance inspection device and workpiece appearance inspection method |
| CN108955749B (en) * | 2017-05-18 | 2021-07-06 | 东京威尔斯股份有限公司 | Workpiece appearance inspection device and workpiece appearance inspection method |
| CN107335767A (en) * | 2017-09-04 | 2017-11-10 | 江西洪都航空工业集团有限责任公司 | A kind of cruciform slot screw cold-heading molding processing mold and its processing technology |
| CN107639195A (en) * | 2017-09-28 | 2018-01-30 | 中国航空工业标准件制造有限责任公司 | One mould two rushes the assembling die that type is made in the continuous upsetting of hexagon-headed bolt |
| CN112756546A (en) * | 2020-12-17 | 2021-05-07 | 常熟市标准件厂有限公司 | Process for improving flatness of end face of bolt tail |
| CN113926967A (en) * | 2021-10-13 | 2022-01-14 | 厦门市富惠螺丝工业有限公司 | Processing technology and die for fixed shaft |
| CN113926967B (en) * | 2021-10-13 | 2024-03-15 | 厦门市富惠螺丝工业有限公司 | Machining process and die for fixed shaft |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170405 Address after: 201821 Shanghai City Industrial Zone Jiading Hing Road 1051 Patentee after: Excellent fastening system (Shanghai) Co., Ltd. Address before: 518000 Baoan District City, Shenzhen Province, Longhua big wave with rich industrial zone, the functional area of the third Patentee before: Shenzhen Aero Fasteners MFG Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130123 |