CN109261800B

CN109261800B - Stamping die for machining pipeline fixing piece

Info

Publication number: CN109261800B
Application number: CN201710580871.9A
Authority: CN
Inventors: 宋杰; 易仕盛; 罗小龙; 邓俊杰
Original assignee: Hunan CRRC Times Electric Vehicle Co Ltd
Current assignee: Hunan CRRC Times Electric Vehicle Co Ltd
Priority date: 2017-07-17
Filing date: 2017-07-17
Publication date: 2021-03-23
Anticipated expiration: 2037-07-17
Also published as: CN109261800A

Abstract

The invention provides a stamping die for machining a pipeline fixing piece, which comprises a supporting assembly, a detachable feeding assembly, a detachable blanking die assembly, a detachable deep drawing bending die assembly and a detachable discharging assembly, wherein the detachable feeding assembly is arranged on the supporting assembly; the feeding assembly is connected with the supporting assembly and is close to the blanking die assembly; the blanking die assembly is connected with the supporting assembly and is provided with a part matched with the drawing bending die assembly; the drawing bending die assembly is connected with the supporting assembly; the discharging assembly is connected with the supporting assembly and is provided with a part matched with the drawing bending die assembly. The production efficiency can be effectively improved, and the production cost is saved. In addition, as the three procedures of blanking, drawing and bending are completed at one time, the multiple processing errors caused by the step-by-step processing can be reduced, and the processing precision of the product is improved.

Description

Stamping die for machining pipeline fixing piece

Technical Field

The invention relates to the technical field of pipeline fixing piece production, in particular to a stamping die for machining a pipeline fixing piece.

Background

The pipeline fixing piece is used on a passenger car in a large quantity, but the conventional pipeline fixing piece needs a plurality of processes in the production process, and the conventional pipeline fixing piece is processed by adopting a single-process and multi-step process method, so that the problems of low production efficiency and high cost exist.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provides a stamping die for processing a pipeline fixing piece, which can complete the processes of blanking, deep drawing and bending at one time, thereby improving the production efficiency and reducing the production cost.

In order to solve the technical problems, the technical scheme provided by the invention is as follows:

a stamping die for machining a pipeline fixing piece comprises a supporting assembly, a detachable feeding assembly, a detachable blanking die assembly, a detachable deep drawing bending die assembly and a detachable discharging assembly; the feeding assembly is connected with the supporting assembly and is close to the blanking die assembly; the blanking die assembly is connected with the supporting assembly and is provided with a part matched with the drawing bending die assembly; the drawing bending die assembly is connected with the supporting assembly; the discharging assembly is connected with the supporting assembly and is provided with a part matched with the drawing bending die assembly.

According to the stamping die for processing the pipeline fixing piece, the blanking die assembly and the drawing and bending die assembly are reasonably combined together, three processes of blanking, drawing and bending can be completed at one time, and compared with a method in the prior art that the three processes of blanking, drawing and bending need to be completed step by step, the stamping die can effectively improve the production efficiency and save the production cost. In addition, as the three procedures of blanking, drawing and bending are completed at one time, the multiple processing errors caused by the step-by-step processing can be reduced, and the processing precision of the product is improved.

With respect to the above technical solution, further improvements as described below can be made.

According to the stamping die for machining the pipeline fixing piece, the supporting assembly comprises a detachable lower die holder, a detachable upper die holder, a detachable die handle and a guide pillar, the die handle is connected with the upper die holder, two ends of the guide pillar are respectively arranged in the upper die holder and the lower die holder, and the upper die holder can move along the guide pillar.

In a preferred embodiment, the supporting device further comprises a backing plate, and the backing plate is positioned at the bottom of the lower die base. By arranging the base plates with different thicknesses, the stroke of the die can be adjusted according to different hydraulic presses to meet the processing requirements.

In a preferred embodiment, the upper die base is provided with a guide post sleeve matched with the guide post, and the guide post sleeve is fixedly connected with the upper die base. The guide post sleeve is matched with the guide post, the contact area of the guide post and the upper die base is increased, the upper die base can be ensured to stably move along the guide post in the stamping process, and the reliability of the die in the working process is improved.

According to the stamping die for machining the pipeline fixing piece, the feeding assembly comprises the detachable guide plate and the detachable pressing device, the guide plate is connected with the lower die holder, the guide plate is provided with the groove for arranging raw materials, and the pressing device is connected with the guide plate. Further, the number of the grooves is 1-10. Through setting up a plurality of recesses on the stock guide, material feeding unit can realize carrying a plurality of raw and other materials simultaneously to guarantee that mould one-time punching press can process a plurality of products, and then improved production efficiency once more.

In a particular embodiment, the nip apparatus includes a support having a first plane, a second plane adjacent to the first plane, and a third plane adjacent to the second plane; and a pressing plate which is connected with the first plane and the third plane respectively and used for fixing raw materials is arranged below the second plane, an elastic element is arranged between the second plane and the pressing plate, and a pressing bolt is arranged on the second plane and can penetrate through the elastic element and the pressing plate. Through the press device who sets up, can guarantee the pay-off in-process, raw and other materials fix a position reliably in the stock guide to ensure the stability of processing, after processing is accomplished, can ensure that remaining raw and other materials steadily retreat out along the stock guide.

In a specific embodiment, the blanking die assembly includes detachable last mould and detachable die, goes up the mould and is connected with the upper die holder, and the die is connected with the die holder to, the first side of die is close to the pay-off subassembly, and the second side of die has and forms complex part with the first side of last mould.

In a specific embodiment, the deep-drawing bender subassembly includes the last mould of dismantlement formula and the lower mould of dismantlement formula, goes up the mould and is connected with the upper die base, and the lower mould is connected with the die holder to, the lower mould corresponds the setting with last mould.

In the stamping process, three processes of blanking, deep drawing and bending can be completed at one time through the matching of the upper die, the female die and the lower die.

In a preferred embodiment, the stamping die for processing pipeline fixing parts according to the invention further comprises a detachable limiting device for controlling the length of the raw material, wherein the limiting device is arranged on the deep drawing bending die assembly and is provided with a part matched with the deep drawing bending die assembly in a forming mode. Through the stop device who arranges, can effectively control the conveying length of raw and other materials in punching process at every turn, further avoid conveying length overlength or short and arouse the problem of processing nonconforming product to manufacturing cost has further been reduced.

Compared with the prior art, the invention has the advantages that: the production efficiency can be effectively improved, and the production cost is saved. In addition, as the three procedures of blanking, drawing and bending are completed at one time, the multiple processing errors caused by the step-by-step processing can be reduced, and the processing precision of the product is improved.

Drawings

The invention will be described in more detail hereinafter on the basis of embodiments and with reference to the accompanying drawings. Wherein:

fig. 1 schematically shows a sectional structure of a press die for processing a pipeline fixing member according to an embodiment of the present invention;

fig. 2 schematically shows a three-dimensional structure of a press mold for processing a pipeline fixing member according to an embodiment of the present invention;

FIG. 3 schematically shows a lower die of an embodiment of the present invention;

FIG. 4 schematically illustrates an upper die of an embodiment of the present invention;

FIG. 5 schematically shows a female mold according to an embodiment of the present invention, wherein 5a shows a front view cross-sectional structure of the female mold, and 5b shows a left view structure of the female mold;

fig. 6 is a view schematically showing a guide plate according to an embodiment of the present invention, in which 6a shows a front view cross-sectional structure of the guide plate, and 6b shows a top view structure of the guide plate;

FIG. 7 schematically illustrates an outfeed assembly of an embodiment of the invention;

fig. 8 schematically shows a swaging apparatus of an embodiment of the invention;

fig. 9 schematically shows a finished product according to an embodiment of the present invention.

In the drawings, like parts are provided with like reference numerals. The figures are not drawn to scale.

Detailed Description

The invention will be further explained in detail with reference to the figures and the embodiments without thereby limiting the scope of protection of the invention.

Fig. 1 schematically shows a cross-sectional structure of a press die 10 for processing a pipeline fixing member according to an embodiment of the present invention. Fig. 2 schematically shows a three-dimensional structure of a press die for processing a pipeline fixing member according to an embodiment of the present invention. As shown in fig. 1 and 2, a stamping die 10 for machining a pipeline fixing piece according to an embodiment of the present invention includes a support assembly 1, a detachable feeding assembly 2, a detachable blanking die assembly 3, a detachable deep drawing bending die assembly 4, and a detachable discharging assembly 5; the feeding component 2 is connected with the supporting component 1, and the feeding component 2 is close to the blanking die component 3; the blanking die assembly 3 is connected with the supporting assembly 1, and the blanking die assembly 3 is provided with a part matched with the drawing bending die assembly 4; the drawing bending die assembly 4 is connected with the support assembly 1; the discharging component 5 is connected with the supporting component 1, and the discharging component 5 is provided with a part matched with the deep drawing bender component 4. As shown in fig. 1, specifically, the support assembly 1 of the embodiment of the present invention includes a detachable lower die holder 11, a detachable upper die holder 12, a detachable die shank 13, and a guide post 14, wherein the die shank 13 is connected to the upper die holder 12, two ends of the guide post 14 are respectively disposed in the upper die holder 12 and the lower die holder 11, and the upper die holder 12 can move along the guide post 14. Specifically, as shown in fig. 7, the discharging assembly 5 according to the embodiment of the present invention includes a detachable fixing plate 51 connected to the lower die base 11 and a bracket 52 for receiving the finished pipeline fixing member, wherein the fixing plate 51 and the bracket 52 are connected by a spring 53, and the bracket 52 can move back and forth along a slide rail in the lower die under the action of the spring, so that the finished pipeline fixing member can be easily removed from the interior of the die.

Further, as shown in fig. 1 and 2, in a preferred embodiment, the supporting device 1 further includes a backing plate 15, and the backing plate 15 is located at the bottom of the lower die base 11. By arranging the base plates with different thicknesses, the stroke of the die can be adjusted according to different hydraulic presses to meet the processing requirements. Further, in a preferred embodiment, a guide post sleeve 16 is disposed on the upper die base 12 to form a fit with the guide post 14, and the guide post sleeve 16 is fixedly connected to the upper die base 12. The guide post sleeve is matched with the guide post, the contact area of the guide post and the upper die base is increased, the upper die base can be ensured to stably move along the guide post in the stamping process, and the reliability of the die in the working process is improved.

As shown in fig. 1 and 2, according to the stamping die 10 for machining a pipeline fixing piece of the embodiment of the present invention, specifically, the feeding assembly 2 includes a detachable guide plate 21 and a detachable pressing device 22, the guide plate 21 is connected to the lower die base 11, a groove 211 for arranging a raw material to be machined is formed in the guide plate 21, and the pressing device 22 is connected to the guide plate 21. Further, the number of the grooves 211 is 1 to 10. Through setting up a plurality of recesses on the stock guide, material feeding unit can realize carrying a plurality of raw and other materials simultaneously to guarantee that mould one-time punching press can process a plurality of products, and then improved production efficiency once more. Fig. 6 schematically shows a guide plate 21 according to an embodiment of the present invention. As shown in fig. 6, the guide plate 21 according to the embodiment of the present invention is constructed in a rectangular plate structure, and is provided at the upper surface thereof with a groove 211 for arranging the raw material and at the bottom thereof with a fixing end 212 for coupling with the lower die holder 11. Fig. 9 schematically shows a finished product according to an embodiment of the present invention. As shown in fig. 9, the raw material processed in the embodiment of the present invention is a tube material, and thus, the groove 211 is provided in a semicircular shape.

Fig. 8 schematically shows a pressing device according to an embodiment of the present invention. As shown in fig. 8, further, the pressing device 22 of the embodiment of the present invention includes a holder having a first plane 221, a second plane 222 adjacent to the first plane 221, and a third plane 223 adjacent to the second plane 222; a pressing plate 224 connected with the first plane 221 and the third plane 223 respectively for fixing the raw material is arranged below the second plane 222, an elastic element 225 is arranged between the second plane 222 and the pressing plate 224, a pressing bolt 226 is arranged on the second plane 222, and the pressing bolt 226 can pass through the elastic element 225 and the pressing plate 224. In the present embodiment, the elastic element 225 is a spring. Through the press device who sets up, can guarantee the pay-off in-process, raw and other materials fix a position reliably in the stock guide to ensure the stability of processing, after processing is accomplished, can ensure that remaining raw and other materials steadily retreat out along the stock guide.

Returning to fig. 1 and 2, the punching die 10 for machining a pipeline fixing according to the embodiment of the present invention, specifically, the blanking die assembly 3 includes a detachable upper die 6 and a detachable female die 7, the upper die 6 is connected to the upper die base 12, the female die 7 is connected to the lower die base 11, a first side 71 of the female die 7 is adjacent to the feeding assembly 2, and a second side 72 of the female die 7 has a portion that forms a fit with the first side 61 of the upper die 6. In a specific embodiment, deep-drawing bender subassembly 4 goes up mould 6 and be connected with upper die base 12 including the last mould 6 of dismantlement formula and the lower mould 8 of dismantlement formula, lower mould 8 and die holder 11 are connected to, lower mould 8 corresponds the setting with last mould 6. In the stamping process, three processes of blanking, deep drawing and bending can be completed at one time through the matching of the upper die, the female die and the lower die. Specifically, fig. 3 schematically shows a lower mold according to an embodiment of the present invention, fig. 4 schematically shows an upper mold according to an embodiment of the present invention, and fig. 5 schematically shows a female mold according to an embodiment of the present invention.

In a preferred embodiment, as shown in fig. 1 and 2, the press die 10 for manufacturing a pipeline fixing according to an embodiment of the present invention further includes a detachable stopper 9 for controlling the length of the raw material, the stopper 9 is constructed in a plate structure and is connected to a side 81 of the lower die 8 away from the die by bolts, and the stopper 9 has a portion for forming a fit with the upper die 6 and the lower die 8. Through the stop device who arranges, can effectively control the conveying length of raw and other materials in punching process at every turn, further avoid conveying length overlength or short and arouse the problem of processing nonconforming product to manufacturing cost has further been reduced.

According to the embodiment, the stamping die for machining the pipeline fixing piece is reasonable in combination of the blanking die assembly and the deep drawing bending die assembly, three processes of blanking, deep drawing and bending can be completed at one time, and compared with a method for completing the three processes of blanking, deep drawing and bending in steps in the prior art, the stamping die for machining the pipeline fixing piece can effectively improve production efficiency and save production cost. In addition, the three processes of blanking, drawing and bending are completed at one time, so that the accumulation of multiple machining errors caused by step-by-step operation can be reduced, and the machining precision of products is improved.

While the invention has been described with reference to a preferred embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict. It is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims

1. A stamping die for machining pipeline fixing parts is characterized by comprising a supporting assembly, a detachable feeding assembly, a detachable blanking die assembly, a detachable deep drawing bending die assembly and a detachable discharging assembly, wherein the feeding assembly, the blanking die assembly and the deep drawing bending die assembly are sequentially arranged along a feeding direction;

the feeding assembly is connected with the supporting assembly and is close to the blanking die assembly;

the blanking die assembly is connected with the supporting assembly and is provided with a part matched with the drawing bending die assembly;

the deep drawing bending die assembly is connected with the supporting assembly;

the discharging assembly is connected with the supporting assembly and is provided with a part matched with the deep drawing bender assembly;

the deep drawing bending die assembly comprises a detachable upper die and a detachable lower die, the upper die is connected with the detachable upper die base of the supporting assembly, the lower die is connected with the detachable lower die base of the supporting assembly, and the lower die and the upper die are arranged correspondingly;

the blanking die assembly comprises a detachable female die, the female die is connected with the lower die holder, the first side surface of the female die is close to the feeding assembly, and the second side surface of the female die is provided with a part matched with the first side surface of the upper die;

the stamping die further comprises a detachable limiting device for controlling the length of the raw material, and the limiting device is arranged on the deep drawing bending die assembly and is provided with a part matched with the deep drawing bending die assembly;

the discharging assembly comprises a detachable fixing plate connected with the lower die base and a first support used for accommodating the processed pipeline fixing piece, and the fixing plate is connected with the first support through a spring.

2. The stamping die of claim 1, wherein the support assembly further comprises a detachable die shank and a guide post;

the die handle is connected with the upper die base;

two ends of the guide post are respectively arranged in the upper die holder and the lower die holder, and the upper die holder can move along the guide post.

3. The die of claim 2, wherein the support assembly further comprises a backing plate, and wherein the backing plate is located at the bottom of the lower die holder.

4. The stamping die for machining pipeline fixing parts as claimed in claim 2 or 3, wherein the upper die base is provided with a guide post sleeve matched with the guide post, and the guide post sleeve is fixedly connected with the upper die base.

5. The stamping die for processing the pipeline fixing piece as claimed in claim 2 or 3, wherein the feeding assembly comprises a detachable guide plate and a detachable pressing device;

the material guide plate is connected with the lower die holder, and a groove for arranging raw materials is formed in the material guide plate;

the pressing device is connected with the material guide plate.

6. The stamping die for machining the pipeline fixing piece according to claim 5, wherein the number of the grooves is 1-10.

7. The stamping die of claim 5, wherein the swaging device includes a second bracket having a first plane, a second plane adjacent to the first plane, and a third plane adjacent to the second plane; a pressing plate which is connected with the first plane and the third plane respectively and used for fixing raw materials is arranged below the second plane, an elastic element is arranged between the second plane and the pressing plate, a pressing bolt is arranged on the second plane, and the pressing bolt can penetrate through the elastic element and the pressing plate.