CN111438281A - Assembly line type assembling method of stamping die - Google Patents
Assembly line type assembling method of stamping die Download PDFInfo
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- CN111438281A CN111438281A CN202010265049.5A CN202010265049A CN111438281A CN 111438281 A CN111438281 A CN 111438281A CN 202010265049 A CN202010265049 A CN 202010265049A CN 111438281 A CN111438281 A CN 111438281A
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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
- B21D37/20—Making tools by operations not covered by a single other subclass
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C51/00—Measuring, gauging, indicating, counting, or marking devices specially adapted for use in the production or manipulation of material in accordance with subclasses B21B - B21F
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Abstract
The invention discloses a production line type assembling method of a stamping die, which comprises the steps of constructing a plurality of assembling stations according to the assembling sequence of the stamping die; assembling an upper die holder, a lower die holder, a guide pillar and a guide sleeve on a first station to form a first assembly part; assembling the stop plate and the stripper plate at a second station to form a second assembly; assembling the clamping plates at a third station to form a third assembly; assembling the upper and lower templates on the first assembly at a fourth station to form a fourth assembly; assembling the die core and the lower die lifting plate on a fourth assembly at a fifth station to form a fifth assembly; assembling the second assembly and the third assembly on a fifth assembly at a sixth station to form a sixth assembly; the pallet, the pad plate, and the spring are respectively assembled on the sixth assembly at the seventh station to obtain a press mold. The invention is beneficial to improving the assembly efficiency and quality of the stamping die.
Description
Technical Field
The invention relates to the technical field of stamping dies, in particular to a production line type assembling method of a stamping die.
Background
As is well known, a stamping die is generally assembled by an upper die holder, a lower die holder, a die core, a clamping plate, a stop plate, a stripper plate, a guide post, a guide sleeve, a supporting plate, a backing plate, a spring and other parts, and an external driving mechanism is used to drive the upper die holder to move towards the lower die holder so as to stamp a plate into a part with a predetermined shape.
The assembly mode of the existing stamping die is generally to assemble the stamping die on a fixed station, namely, the assembly of the stamping die is directly completed on the fixed station by one person or a plurality of persons, so that the assembly personnel is required to be familiar with all procedures, the proficiency of the assembly personnel is promoted slowly, and the assembly efficiency is reduced. Meanwhile, as the number of parts of the stamping die is large and the volume of individual parts is large, the assembling personnel is required to take materials from different places for many times, so that the time consumed by the assembling personnel in the material taking process is long.
Disclosure of Invention
The invention mainly aims to provide a production line type assembling method of a stamping die, and aims to solve the technical problem that the existing production line type assembling method of the stamping die is low in efficiency.
In order to solve the technical problem, the invention provides a production line type assembly method of a stamping die, wherein the stamping die comprises an upper die base, a lower die base, a die core, a clamping plate, a stop plate, a stripper plate, a guide pillar, a guide sleeve, a supporting plate, a base plate and a spring, and the production line type assembly method comprises the following steps:
Constructing a plurality of assembling stations according to the assembling sequence of the stamping die;
Assembling the stop plate and the stripper plate at a first station to form a first assembly;
Assembling the splint at a second station to form a second assembly;
Assembling the first assembly and the second assembly on the lower die base respectively at a third station to form a third assembly;
Respectively assembling the guide post and the guide sleeve on the third assembly at a fourth station to form a fourth assembly;
Assembling the mold insert on the fourth assembly at a fifth station to form a fifth assembly;
Assembling the upper die base on the fifth assembly at a sixth station to form a sixth assembly;
And assembling the support plate, the backing plate and the spring on the sixth assembly respectively at a seventh station to obtain the stamping die.
Preferably, after the step of assembling the second assembly and the third assembly on the fifth assembly at the sixth station to form a sixth assembly, the assembly-line assembling method further comprises:
And carrying out mold closing detection on the sixth assembly part through a mold closing machine.
Preferably, before the step of assembling the upper die base, the lower die base, the guide pillars and the guide sleeves at the first station to form the first assembly, the assembly line type assembling method further comprises:
And freezing the guide pillar at a preset temperature for a preset time by a freezing device.
Preferably, the freezing temperature of the guide pillar is-5 to-18 ℃, and the freezing time is 24 to 48 hours.
Preferably, the guide pillar and the guide sleeve are assembled by a hydraulic clamp.
Preferably, the method further comprises the steps of detecting each assembly part in the stamping die through a detection device to judge whether the assembly part is qualified;
And if the assembly parts are qualified, marking the assembly parts.
Preferably, the appearance inspection of each assembled part in the press mold includes:
Detecting the hardness of each assembly part in the stamping die through a hardness detection device;
And detecting the chemical composition of the parts assembled in the stamping die by a chemical composition detection device.
Preferably, the appearance inspection of each assembly part in the stamping die further comprises:
And detecting the verticality of the guide pillar by adopting a verticality detection device.
Preferably, after the step of respectively assembling the pallet, the pad plate and the spring on the sixth assembly at the seventh station to obtain the press mold, further comprising:
And carrying out air beer detection on the stamping die by adopting a punch.
According to the assembly line type assembly method of the stamping die, provided by the embodiment of the invention, the stamping die is assembled step by step, so that the assembly process of assembly personnel is simplified, and the assembly efficiency of the assembly personnel is improved conveniently. Meanwhile, the time for assembling parts on each assembling station is kept consistent, so that the phenomenon of product accumulation on a single assembling station belt is avoided, and the assembling efficiency is further improved.
Drawings
FIG. 1 is a flow chart of an embodiment of a method for assembly line type assembly of a stamping die according to the present invention;
FIG. 2 is a schematic flow diagram of parts in an assembly station according to an embodiment of the assembly line method for assembling a stamping die of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be illustrative of the present invention and should not be construed as limiting the present invention, and all other embodiments that can be obtained by one skilled in the art based on the embodiments of the present invention without inventive efforts shall fall within the scope of protection of the present invention.
The invention provides a production line type assembling method of a stamping die, wherein the stamping die comprises an upper die holder, a lower die holder, a guide pillar, a guide sleeve, a stop plate, a stripper plate, a clamping plate, an upper die plate, a lower die plate, a die core, a lower die material lifting plate, a supporting plate, a base plate and a spring, and as shown in figures 1 and 2, the production line type assembling method comprises the following steps:
And S100, constructing a plurality of assembling stations according to the assembling sequence of the stamping die.
In this step, the number of the assembly stations can be arranged according to actual conditions, so that the corresponding parts in the stamping die can be conveniently assembled on each assembly station, the stamping die can be assembled in a modularized manner, and therefore an assembler only needs to be familiar with the assembly process of one module, the proficiency of the assembler can be favorably and quickly improved, and the assembly efficiency can be favorably improved. Specifically, in order to keep the time for assembling the parts at each assembling station substantially consistent, it is preferable that the assembling stations are seven, and the seven assembling stations include a first assembling station, a second assembling station, a third assembling station, a fourth assembling station, a fifth assembling station, a sixth assembling station, and a seventh assembling station, which are sequentially arranged. The arrangement form of the assembly stations can be a workbench fixedly arranged on the bottom surface, the workbench can also move on the bottom surface along a preset closed track, the multiple workbenches can rotate circularly and move along the guide rail, and at the moment, a plurality of assembly stations can be additionally arranged to form transitional assembly stations. The flow sequence of the assembled finished products between the assembly stations can be set according to actual conditions, the flow is not necessarily performed according to the sequence of arrangement, and the flow may be from a first station to a third assembly station on an assembly line, that is, the assembled finished products on the first two assembly stations directly flow to the third assembly station for assembly. Specifically, after the assembly of the corresponding parts is completed at the previous assembly station to obtain the corresponding assembled finished product, the assembled finished product flows to the next assembly station, and then the corresponding parts are assembled on the basis of the assembled finished product at the assembly station, so that the finished product stamping die is obtained at the last assembly station. Meanwhile, the stamping die is reasonably divided into modules, namely the time for assembling parts on each assembling station is controlled to be basically consistent, so that smooth flowing of products on each assembling station is facilitated, the products are prevented from being stacked on a single assembling station, and the assembling efficiency of the products is further improved. As for the mode that the assembled finished products on the assembling stations flow among the assembling stations, the assembling stations can be hoisted by a crane, and the assembling stations can also flow, namely the assembling stations are movably arranged, the assembling of corresponding parts is completed on the assembling stations, and the driving mechanisms are utilized to drive the stations to move, so that the assembling stations are recycled, and the phenomenon that the products slide down when the products are hoisted is avoided.
S200, assembling the upper die holder, the lower die holder, the guide pillar and the guide sleeve on a first station to form a first assembly.
In this step, the guide post and the guide sleeve are respectively and correspondingly installed on the upper die base or the lower die base, the guide post is installed on the upper die base, the guide sleeve is installed on the lower die base, or the guide post is installed on the lower die base, and the guide sleeve is installed on the upper die base.
And S300, assembling the stop plate and the stripper plate at a second station to form a second assembly.
In this step, the stopper plate and the stripper plate are assembled, and the specific assembly mode may be manual operation, so that the stopper plate and the stripper plate are conveniently combined through corresponding connecting members (such as screws and the like) to form a first assembly component.
And S400, assembling the clamping plate at a third station to form a third assembly.
In this step, still need carry out visual inspection before the splint assembly, must clear away through manual work or corresponding equipment when having defects such as burr on the splint to conveniently install corresponding accessory such as screw on the splint and form the third subassembly.
And S500, assembling the upper template and the lower template on the first assembly at a fourth station to form a fourth assembly.
In this step, the upper template and the lower template are assembled on the first assembly, and the fixing manner may be by screws or the like, so as to form a fourth assembly.
And S600, assembling the die core and the lower die material lifting plate on a fourth assembly at a fifth station to form a fifth assembly.
In this step, the die core and the lower die material lifting plate are assembled on the fifth assembly, and the fixing mode may be a mode such as a screw mode, so that the fifth assembly is formed.
And S700, assembling the second assembly and the third assembly on the fifth assembly at a sixth station to form a sixth assembly.
In this step, the second assembly and the third assembly are assembled on the fifth assembly, and the fixing manner may be a manner of screws or the like, so as to form the sixth assembly.
And S800, respectively assembling the supporting plate, the backing plate and the spring on the sixth assembly part at a seventh station to obtain a stamping die.
In this step, the finished stamping die can be obtained by assembling the supporting plate, the backing plate, the spring and other accessories on the sixth assembly part. The mode of installing the fittings can be manual assembly or automatic assembly of equipment.
In the embodiment, the stamping die is assembled step by step, so that the assembling process of assembling personnel is simplified, and the assembling efficiency of the assembling personnel is improved conveniently. Meanwhile, the time for assembling parts on each assembling station is kept consistent, so that the phenomenon of product accumulation on a single assembling station belt is avoided, and the assembling efficiency is further improved. And the assembling personnel is responsible for assembling specific parts, so that the proficiency of the assembling personnel is improved, and the quality of products is improved.
In a preferred embodiment, the stamping die is controlled for convenience. In order to control the quality of the stamping die conveniently, a die assembly detection station is preferably further arranged, and the die assembly detection station is preferably located between the sixth assembly station and the seventh assembly station. At the moment, after the sixth assembled finished product is finished on the sixth assembling station, the sixth assembled finished product flows to a mold closing detection station, a mold closing machine is used for performing mold opening and closing actions on the sixth assembled finished product, so that the condition of the shape of each part in the sixth assembled finished product is detected, if the conditions such as gaps, part collision and the like occur in the mold closing process, whether the sixth assembled finished product is qualified is judged according to the operation condition of each part, if the sixth assembled finished product is qualified, the sixth assembled finished product flows to the first assembling station, and if the sixth assembled finished product is unqualified, the sixth assembled finished product moves to the set maintenance station to be corrected according to the condition occurring in the detection.
In a preferred embodiment, the classifying and storing each part in the stamping die comprises: carrying out appearance detection on parts in the stamping die to obtain appearance parameters of each part; and classifying and storing the parts in the stamping die according to the assembly stations.
In this step, the appearance of each part may be detected by using a special measuring tool such as a vernier caliper or a spiral distance meter to obtain the dimensions of the part. Preferably, the detector is a female person, so as to improve the accuracy of the appearance parameters (data such as length, width, height and diameter of the part) of the part by using the careful attributes of the female. In the embodiment, the appearance size of the part is detected, so that whether the part is a qualified product can be judged according to the obtained appearance parameters.
Furthermore, the parts in the stamping die are classified and stored according to the assembly stations, so that the material searching and taking speed of assembly personnel at each assembly station is facilitated. At this time, it is preferable that the storage points of the parts in the respective stamping dies are arranged close to the corresponding assembly stations, so that the distance for taking the materials by an assembly worker is shortened.
In a preferred embodiment, in order to facilitate the assembly of the guide pillar and the guide sleeve, the guide pillar is preferably frozen, so that the overall dimension of the guide pillar can be reduced by using the principle of expansion and contraction of the guide pillar, wherein the diameter of the guide pillar is generally reduced by 0.03-0.04 mm after being frozen, so as to facilitate the installation of the guide pillar in the guide sleeve. The freezing time is preferably 24-48 h, the freezing temperature is-5 to-18 ℃, and the frozen food is placed in a freezing chamber of a household refrigerator. Wherein the guide post is preferably installed within 0.5h after being taken out of the freezer compartment (i.e. refrigerator), thereby being beneficial to avoiding the diameter of the guide post from being restored to the original size after the guide post is heated up.
In a preferred embodiment, in order to avoid damaging the guide pillar and the guide sleeve when the guide pillar and the guide sleeve are assembled by knocking the guide pillar and the guide sleeve by using a copper bar in a conventional assembly manner, it is preferable to assemble the guide pillar and the guide sleeve by using a hydraulic clamp, that is, the hydraulic clamp respectively clamps the guide pillar and the lower die base or the upper die base, so that the guide pillar is gradually mounted on the lower die base or the upper die base by using the clamping force of the hydraulic clamp, and the guide sleeve is assembled in a corresponding manner.
In a preferred embodiment, the performing the appearance inspection on the parts in the stamping die to obtain the appearance parameters of each part further includes:
1. And (5) marking qualified parts subjected to appearance detection.
In the step, the method for marking the qualified parts can be a sticker method or a laser marking machine, so that the appearance parameters of each part can be recorded continuously.
2. And matching the parts needing to be assembled and matched according to the acquired appearance parameters by referring to a preset difference range.
In the step, after the appearance parameters of the parts are obtained, the two or more parts with the assembly requirements are paired according to the preset difference range, so that the matching degree of the parts during assembly is increased. The method for recording the paired parts can be to record the labels of the parts in a pairing manner, specifically, the labels and the appearance parameters of the parts are paired and input into a computer after the appearance parameters of the parts are obtained to form a database, then the screening function is used to form one of the parts with assembly requirements, and the end point values of a preset difference range are added or subtracted on the basis of the appearance parameters of the parts to screen, so that the one with the highest matching degree (namely, the one with the smallest difference between the two parts) is selected, wherein the screening implementation manner can adopt the screening function in an excel table.
In a preferred embodiment, the classifying and storing the parts in the stamping die further comprises:
1. And detecting the hardness of each assembly part in the stamping die by using a hardness detection device.
In this step, hardness data of the part can be acquired favorably by detecting the hardness of the part, so that whether the hardness of each part meets the set requirement or not can be distinguished conveniently. The specific detection mode may be an existing hardness detection device, such as a hardness meter.
2. And detecting the chemical components of the parts assembled in the stamping die by using a chemical component detection device.
In this step, chemical composition detection is carried out to the part to be favorable to obtaining the chemical composition data of part to be convenient for discern whether the chemical composition of each part accords with the demand of settlement. The specific detection mode may be an existing chemical component detection device, such as a chemical component analyzer.
In a preferred embodiment, the detecting the part in the stamping die further comprises:
1. And detecting the verticality of the guide pillar.
In this step, through carrying out the straightness detection that hangs down to the guide pillar be favorable to acquireing the straightness data that hangs down of guide pillar to be convenient for distinguish whether the straightness that hangs down of each guide pillar accords with the demand of settlement. The specific detection mode can be realized by adopting the existing verticality detection device, such as a verticality measuring instrument.
In a preferred embodiment, in order to detect each part in the stamping die conveniently, the stamping die preferably further comprises a part detection distribution station, and the preferable part detection area is located in front of the first assembly station, so that the assembly of the parts before assembly after the last detection is facilitated, and the phenomenon that the parts are not found due to damage or deformation in the storage process is facilitated to be avoided, and therefore the probability that the stamping die cannot work normally due to damage or deformation of the parts is reduced.
In a preferred embodiment, in order to further detect the performance of the stamping die, all the finished stamping dies flowing out from the seventh assembly station need to be subjected to empty beer detection, that is, the finished stamping dies are mounted on a punch press to perform test stamping of the product, so that the stamping dies are correspondingly adjusted and calibrated through the product at the stamping position.
The stamping die specifically comprises an upper die base, a lower die base, a die core, a clamping plate, a stop plate, a stripper plate, a guide pillar, a guide sleeve, a supporting plate, a base plate and a spring, and when the stamping die is specifically assembled, the stamping die firstly comprises the following components:
First, preparation of mold material
1. Before the mold is assembled, all the template parts are cleaned and burrs and sharp corners are removed;
2. The arranged templates need to be placed neatly and stably;
3. Checking the mold core and the punch with high precision according to the drawing and returning to the processing unit if the mold core and the punch are bad;
Second, trial assembly of mold
1. A lower die base: the mold core is loaded from the top surface, R0.3-0.5 is poured around the back surface of the mold core to facilitate the introduction, the part which needs to be loaded from the back surface is required, R0.3-R0.5 is poured around the cavity on the back surface of the template to facilitate the guide of the mold core, the reason must be analyzed and corrected by the principle that a hand can press in or a small copper bar can be tapped to enter the mold core (including a pin hole) to be too tight and too loose, and if no problem exists and the related clearance is independently confirmed by punching and forming punch parts, the mold core needs to be matched in a sliding mode in a lower die holder.
2. And in the stripper plate, the die core assembly is similar to that of the lower die base, only the top surface is stripped on the R angle, the die core is loaded from the top surface, the top surface of each hole is subjected to the chamfering of the R or C angle, the punch is conveniently matched, each punch is subjected to single trial assembly to determine whether the punch is in a slip fit state, and whether the punch A deviates and is enough is noticed.
3. And (3) clamping: the assembly mode of the die core and the mode of the reverse R of the die hole are the same as those of the stripper plate, a punch is also required to be singly matched with all punch fixing holes to confirm the verticality after the die core is installed, the punch is required to be in a close fit state, and the countersunk head of the punch cannot be too deep and is basically lower than the top surface of the clamping plate by within 0.1 mm.
4. After the actions are completed, the clamping plate, the stripper plate and the lower die holder three plates are matched with each other pairwise, and a reasonable gap is determined. Specifically, equal-height blocks are filled between the clamping plate and the lower die base which are matched with the two plates, all punches and parts are matched one by one, whether punching gaps are uniform or not is confirmed by utilizing a lighting and paper cutting mode, and whether bending forming gaps are reasonable or not is confirmed by using a plug piece. The stripper plate is matched with the lower die base, and all the punches and the inserts are matched to confirm that the punching and bending forming gaps are in a reasonable state. The clamping plate and the stripper plate are matched with all punches, mold cores and equal-height sleeves one by one, the punch, the mold cores and the equal-height sleeves are required to be smooth when the punch, the mold cores and the equal-height sleeves are singly used, the whole stripper plate is manually operated or slightly stripped, and smooth movement is required, and if abnormity occurs, the problem is completely solved.
5. The overlapped backing plate and the lower die base confirm whether the material escaping hole is smooth, ensure that the material escaping hole is unobstructed, and whether the spring hole of the stripping nail has deviation phenomenon, if the deviation exists, the material escaping nail head can not be ground randomly.
Thirdly, guide pillar and guide sleeve assembly
1. And checking the appearance and the size of the guide pillar and the guide sleeve.
2. Acceptable columns were frozen 24H, and the specific data are shown in table 1.
3. And detecting the lower die seat and the upper die seat, checking and confirming by adopting an inside micrometer and an altimeter and recording data on the corresponding lower die seat or the corresponding upper die seat by using a paint pen, and judging whether the assembly tolerance is 0.05mm or not, if so, checking the reason and carrying out secondary processing.
4. Die holder assembly embedding guide pillar and guide sleeve: when the guide pillar is assembled, firstly, an upper die base or a lower die base is placed flat and fixed by a tripod, and burrs of a cavity hole of the guide pillar are removed and cleaned by abrasive paper, oilstone and rag; secondly, coating a lubricating oil on the loading end of the guide post, and vertically placing the guide post for righting; thirdly, sleeving a guide pillar to guide the vertical jig block, clamping the guide pillar and the die holder or the die plate together by using a C-shaped clamp, checking whether the guide pillar is vertical by using a height gauge, and vertically inserting the guide pillar into a reference plane of the die holder or the die plate at the beginning; and fourthly, knocking a plate by a copper hammer at the upper end of the guide post, and hammering the plate into the steel by a knocking rod with proper force.
5. Detecting the verticality of the guide pillar: and detecting the verticality of the guide post by using a height gauge according to the tolerance of 0.01mm of the height of each 100mm of the guide post, recording a reserved block, and processing the guide sleeve cavity according to the positive 0.05mm if the guide post is not in accordance with the designed drawing.
6. And placing the die on a die spotting machine for die spotting detection.
TABLE 1
Fourthly, assembling the mould
1. The lower die base and the backing plate are matched with the dowel pin and are locked by screws, then the stripper plate, the stop plate, the clamping plate, the inner guide pillar and all the upper die punches are sequentially stacked, and the leveling upper die is matched with the upper die dowel pin (if the upper die dowel pin has deviation, the dowel pin is not punched firstly and then is matched with a hinge) to lock the upper die screws.
2. And (3) assembling the dies after all the workpieces of the upper die and the lower die are assembled, confirming whether the dies can be closed or not by the matched dies, confirming and recording the lead strips according to the lead strip designing requirements if the dies are closed, and adjusting the forming part if the dies do not meet the requirements.
3. And (3) separating the upper die and the lower die to confirm the smooth condition of the integral die, checking if abnormal die removal is confirmed, eliminating adverse factors, locking the stripper plate after the stripper plate is normally disassembled and loaded into the slingshot, (the equal-height sleeve must be confirmed to be equal in height, and measuring by using a meter card one by one), assembling the lower die spring, assembling the upper auxiliary part and the lower auxiliary part, and confirming whether the material escaping hole is blocked by the lower pad foot. And (4) carrying out static mold checking on the mold after the whole mold is assembled, and if the mold is in accordance with the standard, passing the mold checking.
4. And (3) testing the mold, wherein the mold is prepared beside a punch press to wait for being arranged on the machine and to be prepared (such as materials, check tools, drawings, tools and the like) before testing the mold. Before the die is placed on the punching machine, whether the machine table and the die are clean and free of impurities, whether the punching force is proper and whether the height is proper are checked. Starting up the machine according to a correct method, stopping the punch at a 12-point pointer state at an inching position, and wiping the upper table surface and the lower table surface of the machine. Firstly, a steel ruler is used for drawing the approximate die assembly height of a die, a punch is adjusted to the die assembly free height, inching is started to descend to an upper die base to observe whether abnormity exists or not, the height of a sliding block is properly adjusted, the sliding block can not be directly adjusted to ascend and descend to press the die, the sliding block is operated to ascend after the reasonability is confirmed, the punch is inching slowly descended to press the upper die base and then the upper die part is locked, and the lower die is locked after a lower dead point passes; (the lower die is locked again after the die is closed for two or three times in a normal state, and the stress position of the pressure plate cannot be suspended during the die locking). After the mold is locked, the proper positions of the upper mold and the lower mold are provided with the same gaskets as the product, and whether the upper mold and the lower mold are dead or not is adjusted according to the requirements of a drawing. After the material is inserted into the mould, the positioning tightness and the position are determined to be reasonable and correct, then the punching is carried out, after the product or process sample is checked to be OK, the mould is dismounted, and at the same time, the upper and lower pressing irons are completely dismounted, and finally, the cleanness of the working platform of the punching machine is noticed, and the used tools, tools and measuring tools are stopped by returning to the punching machine. When the sample NG phenomenon appears when the die is firstly tested and punched out, the problem point is recorded and a solution is provided aiming at the problem point so as to avoid the same problem appearing in the later period.
The above is only a part or preferred embodiment of the present invention, and neither the text nor the drawings should limit the scope of the present invention, and all equivalent structural changes made by the present specification and the contents of the drawings or the related technical fields directly/indirectly using the present specification and the drawings are included in the scope of the present invention.
Claims (9)
1. The production line type assembling method of the stamping die is characterized in that the stamping die comprises an upper die base, a lower die base, a guide pillar, a guide sleeve, a stop plate, a stripper plate, a clamping plate, an upper die plate, a lower die plate, a die core, a lower die lifting plate, a supporting plate, a base plate and a spring, and the production line type assembling method comprises the following steps:
Constructing a plurality of assembling stations according to the assembling sequence of the stamping die;
Assembling the upper die holder, the lower die holder, the guide pillar and the guide sleeve on a first station to form a first assembly part;
Assembling the stop plate and the stripper plate at a second station to form a second assembly;
Assembling the splint at a third station to form a third assembly;
Assembling the upper and lower templates on the first assembly at a fourth station to form a fourth assembly;
Assembling the mold core and a lower mold lifter plate on the fourth assembly at a fifth station to form a fifth assembly;
Assembling the second and third assemblies on the fifth assembly at a sixth station to form a sixth assembly;
And assembling the support plate, the backing plate and the spring on the sixth assembly respectively at a seventh station to obtain a stamping die.
2. The method of pipelined assembly of claim 1 wherein after the step of assembling the second assembly and a third assembly on the fifth assembly at the sixth station to form a sixth assembly, the method of pipelined assembly further comprises:
And carrying out mold closing detection on the sixth assembly part through a mold closing machine.
3. The pipelined assembly method of claim 1 wherein prior to the step of assembling the upper die bed, the lower die bed, the guide posts, and the guide sleeves at the first station to form the first assembly, the pipelined assembly method further comprises:
And freezing the guide pillar at a preset temperature for a preset time by a freezing device.
4. The assembly line method according to claim 3, wherein the freezing temperature of the guide pillar is-5 to-18 ℃ and the freezing time is 24 to 48 hours.
5. The assembly line method of claim 1, wherein the guide post and guide sleeve are assembled by a hydraulic clamp.
6. The pipelined assembly method of claim 1 further comprising:
Detecting each assembly part in the stamping die through detection equipment to judge whether the assembly parts are qualified or not;
And if the assembly parts are qualified, marking the assembly parts.
7. The assembly line method according to claim 6, wherein said inspecting each assembly part in said press die comprises:
Detecting the hardness of each assembly part in the stamping die through a hardness detection device;
And detecting the chemical composition of the parts assembled in the stamping die by a chemical composition detection device.
8. The assembly line method according to claim 6, wherein said inspecting each assembly part in said press die further comprises:
And detecting the verticality of the guide pillar through a verticality detection device.
9. The assembly line method according to claim 1, further comprising, after said step of fitting a pallet, a pad plate, and a spring on said sixth assembly respectively at a seventh station to obtain a press die:
And carrying out air beer detection on the stamping die by adopting a punch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010265049.5A CN111438281B (en) | 2020-04-07 | 2020-04-07 | Assembly line type assembling method of stamping die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010265049.5A CN111438281B (en) | 2020-04-07 | 2020-04-07 | Assembly line type assembling method of stamping die |
Publications (2)
| Publication Number | Publication Date |
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| CN111438281A true CN111438281A (en) | 2020-07-24 |
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