CN220479906U - Stretching piece trimming die - Google Patents

Abstract

The utility model provides a tensile piece side cut mould, includes lower mould subassembly and the last mould subassembly that corresponds from top to bottom, lower mould subassembly includes central lower bolster, first lower bolster, second lower bolster, central trimming plate, first trimming plate, second trimming plate, it includes cope match-plate pattern, swager plate pattern to go up the mould subassembly, be equipped with between first lower bolster and the cope match-plate pattern and be used for guiding the first guide structure that the center of first trimming plate moved towards central trimming plate, be equipped with between second lower bolster and the cope match-plate pattern and be used for guiding the second guide structure that the second trimming plate moved towards the center of central trimming plate. The utility model provides a trimming die for a stretching piece, which is used for ensuring the appearance quality of the stretching piece due to the fact that the side face of the processed stretching piece is flat and the opening part of the processed stretching piece is level.

Description

Stretching piece trimming die

Technical Field

The utility model belongs to the technical field of stamping dies, and particularly relates to a trimming die for a stretching piece.

Background

In the manufacturing industries of products such as machinery, household appliances and the like, a plurality of mechanical parts are stretched to obtain corresponding shapes and sizes, and in order to make the products more attractive, redundant rim charge needs to be cut off from the side after the products are stretched, so that the side of the products is flat and does not warp outwards.

In the prior art, the side edge of the product is cut by using a rotary cutting die or the edge of each side of the product is cut in a sectional way, so that the problem is that when the rotary cutting die is used for cutting the side edge of the product, the processing speed is low, the production efficiency of the product is affected, the side face of the product is deformed when the edge of the product is cut, the appearance quality of the product is affected, the rotary cutting die has a complex structure, the maintenance difficulty is high after the damage, and the later maintenance cost is high; when the side edge materials of the product are cut off and processed by adopting the sectional side cutting, the process needs to repeatedly cut off the edge materials of each side surface of the product, so that the number of processing procedures is large, the processing time is long, the production cost of the product is high, and when the edge materials are cut off, errors exist in the positioning position of the product through manual work, the opening part of the product is not flush, and the appearance quality of the product is influenced.

Therefore, further improvements are needed.

Disclosure of Invention

The utility model aims to at least overcome one of the defects in the prior art, and provides a trimming die for a stretching piece, wherein the processed stretching piece has flat side surfaces and flush opening parts, and the appearance quality of the stretching piece is ensured.

In order to achieve the above purpose, the technical scheme provided by the embodiment of the utility model is as follows:

the utility model provides a tensile piece side cut mould, includes lower mould subassembly and the last mould subassembly that corresponds from top to bottom, lower mould subassembly includes central lower bolster, sets up in the first lower bolster of central lower bolster left and right sides relatively, sets up in the second lower bolster of both sides around the central lower bolster relatively, set up the central trimming plate on central lower bolster, set up on first lower bolster and with central trimming plate matched with first trimming plate, and set up on the second lower bolster and with central trimming plate matched with second trimming plate, the last mould subassembly includes the cope match-plate pattern, and set up on the cope match-plate pattern and be used for compressing tightly the swager of tensile piece on the central trimming plate, be equipped with the first guide structure that is used for guiding the central removal of first trimming plate towards central trimming plate between first lower bolster and the cope match-plate pattern, be equipped with the second guide structure that is used for guiding the central removal of second trimming plate towards central trimming plate between second lower bolster and the cope match-plate pattern.

The first guide structure comprises a first sliding block horizontally sliding on a first lower template and a first inclined wedge arranged on an upper template and located above the first sliding block, the first cutting plate is arranged on the side face of the first sliding block, which faces the central cutting plate, a first inclined surface is arranged on the top face of the first sliding block, the first inclined surface is arranged on one side, away from the central cutting plate, of the first sliding block, a second inclined surface is arranged on the bottom face of the first inclined wedge, the second inclined surface is arranged on one side, close to the pressing plate, of the first inclined surface, the second inclined surface is mutually matched with the first inclined surface, the first inclined wedge drives the first sliding block to slide towards the center of the central cutting plate, and the first cutting plate and the central cutting plate are mutually matched to cut off the side materials on the left side and the right side of the stretching piece.

The first sliding block is arranged on the first lower die plate, and the first sliding block is arranged on the first lower die plate.

The first guide structure further comprises a first pressing plate used for pressing the left side surface and the right side surface of the stretching piece on the left side portion and the right side portion of the central trimming plate, the first pressing plate is arranged on the first sliding block and located above the first trimming plate, and an elastic component is arranged between the first pressing plate and the first sliding block.

The second guide structure comprises a second sliding block horizontally sliding on a second lower die plate and a second inclined wedge arranged on an upper die plate and located above the second sliding block, the second trimming plate is arranged on the side face, facing the central trimming plate, of the second sliding block, a third inclined surface is arranged on the top face of the second sliding block, the third inclined surface is arranged on one side, far away from the central trimming plate, of the second sliding block, a fourth inclined surface is arranged on the bottom face of the second inclined wedge, the fourth inclined surface is arranged on one side, close to the pressing plate, of the second inclined wedge, the third inclined surface is matched with the fourth inclined surface, the second inclined wedge drives the second sliding block to slide towards the center of the central trimming plate, and the second trimming plate is matched with the central trimming plate to cut off side materials on the front side and the back side of the stretching piece.

And a second reset structure is arranged between the second sliding block and the second lower die plate to guide the second sliding block to reset, and comprises a second reset part arranged on the second sliding block and a second fixing plate arranged on the second lower die plate.

The second guide structure further comprises a second pressing plate used for pressing the front side surface and the rear side surface of the stretching piece to the front side portion and the rear side portion of the central trimming plate, the second pressing plate is arranged on the second sliding block and located above the second trimming plate, and an elastic component is arranged between the second pressing plate and the second sliding block.

The lower die assembly further comprises a plurality of cutting parts which are arranged on the central lower die plate and used for cutting off the rim charge of the stretching piece, and the cutting parts are arranged on the front side face and/or the rear side face and/or the left side face and/or the right side face of the central lower die plate at intervals.

The lower die assembly further comprises a central lower die base plate arranged at the bottom of the central lower die plate, a first lower die base plate arranged at the bottom of the first lower die plate, a second lower die base plate arranged at the bottom of the second lower die plate, and a lower die base plate arranged at the bottom of the central lower die base plate, the bottom of the first lower die base plate and the bottom of the second lower die plate.

The upper die assembly further comprises an upper base plate arranged between the material pressing plate and the upper die plate, an upper supporting plate arranged on the upper portion of the upper die plate and an upper die top plate arranged on the upper portion of the upper supporting plate, and an elastic part is arranged between the upper die top plate and the material pressing plate.

The beneficial effects of the utility model are as follows:

according to the die disclosed by the utility model, the tension piece is pressed on the central trimming plate by the material pressing plate, the first trimming plate is matched with the central trimming plate through the first guide structure to cut off the rim charge on the left side and the right side of the tension piece, the second trimming plate is matched with the central trimming through the second guide structure to cut off the rim charge on the front side and the rear side of the tension piece, the rim charge is cut off after the tension piece is pressed and fixed at first, the side surfaces of the tension piece after processing are flush and uniform, the rim charge on all the side surfaces of the tension piece can be cut off at one time without positioning and fixing for many times, the opening parts of the tension piece after processing are flush, and the appearance quality of the tension piece is ensured.

In addition, through adopting the mould of above-mentioned technical scheme, the rim charge excision of all sides can be accomplished after the punching press of tensile spare, makes the rim charge excision process quantity of tensile spare little, and process time is short, can improve the production efficiency of this process.

Moreover, the die of the technical scheme is simple in structure, low in maintenance difficulty and low in later maintenance cost.

Drawings

FIG. 1 is a top view of a tension member according to an embodiment of the utility model

Fig. 2 is a front cross-sectional view of a stretch member trimming die in accordance with an embodiment of the present utility model.

Fig. 3 is a side cross-sectional view of a stretch member trimming die in accordance with an embodiment of the present utility model.

Fig. 4 is a top view of a lower die assembly of a stretch member trimming die in accordance with an embodiment of the present utility model.

Fig. 5 is a forward cross-sectional view of an upper die of a stretch member trimming die in accordance with an embodiment of the present utility model.

Fig. 6 is a side cross-sectional view of an upper die of a stretch member trimming die in accordance with an embodiment of the present utility model.

Fig. 7 is a front cross-sectional view of an upper die of a stretch member trimming die in accordance with an embodiment of the present utility model.

Fig. 8 is a side cross-sectional view of an upper die of a stretch member trimming die in accordance with an embodiment of the present utility model.

Fig. 9 is a front cross-sectional view of a stretch member trimming die in accordance with an embodiment of the present utility model when fully closed.

Fig. 10 is a side cross-sectional view of a stretch member trimming die in accordance with an embodiment of the present utility model, fully closed.

Fig. 11 is a top view of a lower die set when the stretch member trimming die is fully closed in accordance with an embodiment of the present utility model.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model.

Referring to fig. 1, a drawing piece processed by the drawing piece trimming die of the technical scheme consists of four straight edges and four round corners.

Referring to fig. 2-4, the stretching member trimming die comprises a lower die assembly, an upper die assembly, a first guiding structure and a second guiding structure, wherein the lower die assembly comprises a central lower die plate 101, a first lower die plate 102, a second lower die plate 103, a central trimming plate 104, a first trimming plate 105, a second trimming plate 106, a central lower die pad 114, a first lower die pad 115, a second lower die pad 116 and a lower die bottom plate 117, the central lower die plate 101 is positioned in the middle of the lower die assembly, the central trimming plate 104 is mounted on the top surface of the central lower die plate 101 through a fastener, the central trimming plate 104 is square, adjacent two sides of the central trimming plate 104 are transited through an arc, the outer edge of the central trimming plate 104 is provided with a knife edge in a surrounding manner, the number of the first lower die plates 102 is preferably two groups, and is oppositely arranged on the left side and the right side of the central lower die plate 101, the first trimming plate 105 is mounted on the top surface of the first lower die plate 102 in a sliding manner through the first guiding structure, the end face of the first trimming plate 105 facing the central trimming plate 104 is provided with a knife edge, the knife edge of the first trimming plate 105 corresponds to the knife edges on the left side and the right side of the central trimming plate 104, the vertical projections of the two ends of the knife edge of the first trimming plate 105 are arc-shaped, the number of the second lower templates 103 is preferably two groups, the second trimming plates 106 are oppositely arranged on the front side and the rear side of the central lower template 101, the second trimming plates 106 can be arranged on the top surface of the second lower templates 103 in a sliding way through a second guiding structure, the end face of the second trimming plates 106 facing the central trimming plate 104 is provided with a knife edge, the knife edge of the second trimming plates 106 corresponds to the knife edges on the left side and the right side of the central trimming plate 104, the vertical projections of the two ends of the knife edge of the second trimming plates 106 are arc-shaped, the first trimming plates 105 and the second trimming plates 106 are not interfered with each other when the die is closed, the central lower die pad 114 is arranged at the bottom of the central lower template 101, the first lower die pad 115 is arranged at the bottom of the first lower die plate 102, the second lower die pad 116 is arranged at the bottom of the second lower die plate 103, and the lower die pad 117 is an integral body and is arranged at the bottom of the central lower die pad 114, the bottom of the first lower die pad 115 and the bottom of the second lower die plate 103 for fixing and mounting the lower die assembly on a working platen of the stamping equipment; the upper die assembly comprises an upper die plate 201, a pressing plate 202, an upper backing plate 205, an upper supporting plate 206 and an upper die top plate 207, wherein the upper die plate 201 is positioned in the middle of the upper die assembly, the pressing plate 202 can be movably installed on the upper die plate 201 up and down, when the upper die assembly descends and is matched with the lower die assembly, the pressing plate 202 presses the stretching piece 3 on the top surface of the central trimming plate 104 to fix the stretching piece 3, the upper backing plate 205 is arranged between the pressing plate 202 and the upper die plate 201, the upper supporting plate 206 is arranged on the upper part of the upper die plate 201, the upper die top plate 207 is arranged on the upper part of the upper supporting plate 206 and is used for being installed on a stamping sliding block of stamping equipment, an elastic component 5, preferably a spring, is arranged between the upper die top plate 207 and the pressing plate 202, when the upper die assembly is reset upwards, the elastic component 5 drives the pressing plate 202 to reset downwards, a first guide structure is arranged between the first lower die plate 102 and the upper die plate 201, for guiding the first trimming plate 105 to move toward the center of the center trimming plate 104, so that the knife edge of the first trimming plate 105 cooperates with the knife edge of the center trimming plate 104 to cut off the rim charge on the left and right sides of the tensile member 3, the second guiding structure is disposed between the second lower die plate 103 and the upper die plate 201, for guiding the second trimming plate 106 to move toward the center of the center trimming plate 104, so that the knife edge of the second trimming plate 106 cooperates with the knife edge of the center trimming plate 104 to cut off the rim charge on the front and rear sides of the tensile member 3, specifically, when the upper die assembly moves down and cooperates with the lower die assembly, the first trimming plate 105 is pushed toward the center trimming plate 104 by the first guiding structure, the second trimming plate 106 is pushed toward the center trimming plate 104 by the second guiding structure after the first trimming plate 105 cooperates with the center trimming plate 104 to cut off the rim charge on the left and right sides of the tensile member 3, the second trimming plate 106 is matched with the central trimming plate 104 to cut off the front side and the rear side of the stretching piece 3, the four straight-sided rim charge and the four round-sided rim charge of the stretching piece can be cut off simultaneously, the first trimming plate 105 and the second trimming plate 106 are not interfered with each other during trimming, the first trimming plate 105 and the second trimming plate 106 are formed with a height difference, the blanking force of a die is small, the pressing plate 202 tightly presses the stretching piece 3 on the central trimming plate 104, the first trimming plate 105 is matched with the central trimming plate 104 through a first guide structure to cut off the rim charge on the left side and the right side of the stretching piece 3, the second trimming plate 106 is matched with the central trimming through a second guide structure to cut off the rim charge on the front side and the rear side of the stretching piece 3, the rim charge is cut off after the stretching piece 3 is tightly pressed and fixed at first, the side of the stretching piece 3 after processing is uniform, the same stretching piece 3 can be cut off the rim charge on all sides at one time without positioning and fixing for many times, the stretching piece 3 after processing is enabled, the opening quality of the stretching piece 3 is flush and the appearance of the stretching piece is guaranteed.

In addition, through adopting the mould of above-mentioned technical scheme, the rim charge excision of all sides can be accomplished after drawing 3 is once punching press, makes drawing 3's rim charge excision process quantity little, and process time is short, can improve the production efficiency of this process.

In addition, the die of the technical scheme is simple in structure, low in maintenance difficulty and low in later maintenance cost.

In this embodiment, the first guiding structure includes a first slider 107 horizontally sliding on the first lower die plate 102, and a first wedge 203 disposed on the upper die plate 201 and located above the first slider 107, the first lower die plate 102 is provided with a slider guide rail 118, the first slider 107 slides back and forth along the left and right directions of the lower die assembly through the slider guide rail 118, the first wedge 203 is fixedly mounted on the upper die plate 201, the first cutting plate 105 is disposed on the side of the first slider 107 facing the central cutting plate 104, specifically, the first cutting plate 105 is detachably mounted on one side of the first slider 107 facing the central cutting plate 104, a first inclined plane 1071 is disposed on the top surface of the first slider 107, two groups of first inclined planes 1071 are disposed on the first slider 107, the distance between the first inclined plane 1071 and the first slider 107 away from the central cutting plate 104 is gradually reduced, the number of the first inclined planes 1071 corresponds to the first inclined plane 1071, and the first inclined plane is preferably two groups of first inclined planes 1071, the first inclined plane is disposed on the bottom surface of the first slider 107 facing the central cutting plate 104, the first inclined plane is gradually matched with the first wedge 203, the first inclined plane is disposed on the bottom surface of the first slider 107 and is gradually matched with the first inclined plane 203, the first inclined plane 2031 is gradually matched with the first wedge 203, the first inclined plane is disposed on the bottom surface of the first inclined plane 203, and is gradually matched with the first inclined plane 203 is close to the first inclined plane 203, and is gradually matched with the first inclined plane 203 on the first inclined plane 203, and is close to the first inclined plane is matched with the first wedge 203 is on the bottom surface of the first inclined plane and is on the bottom surface of the side of the first inclined plane surface of the first wedge surface is close to the first wedge 203.

In this embodiment, the second guiding structure includes a second slider 110 horizontally sliding on the second lower die plate 103, and a second wedge 204 disposed on the upper die plate 201 and located above the second slider 110, the second lower die plate 103 is provided with a slider guide rail 118, the second slider 110 slides back and forth along the front and rear directions of the lower die assembly through the slider guide rail 118, the second wedge 204 is fixedly mounted on the upper die plate 201, the second trimming plate 106 is disposed on the side of the second slider 110 facing the central trimming plate 104, specifically, the second trimming plate 106 is detachably mounted on one side of the second slider 110, close to the central trimming plate 104, a third inclined plane 1101 is disposed on the top surface of the second slider 110, two sets of third inclined planes 1101 are disposed on the second slider 110, the third inclined plane 1101 is disposed on one side of the second slider 110, far away from the central trimming plate 104, the distance between the third inclined plane 1101 and the end surface of the second slider 110, which is far from the central trimming plate 104, is gradually reduced, the number of the second inclined wedges 204 corresponds to the second inclined planes, preferably to the second inclined planes are disposed on two sets of inclined planes, and the second inclined planes are disposed on the upper side of the second slider 110, close to the central trimming plate 204 is close to the second inclined plane 2041, and the second inclined plane is disposed on the second die set up to the second inclined plane 1101, and the second inclined plane 1 is gradually matches with the second inclined plane 204, and the second inclined plane 1 is disposed on the second inclined plane 1, and the second inclined plane is close to the second die assembly is disposed on the side to the second die assembly, and the second inclined plane 1 is close to the second inclined plane 1, and is gradually matched with the inclined plane 204 is disposed on the second inclined plane 1, and is close to the inclined plane 1 is near to the second inclined plane 204 is near to the second inclined plane 1 and is near to the second die 1 is near to the side 1 and is near to the second die 1 is near to the end die 1.

Further, a first reset structure is disposed between the first slider 107 and the first lower die plate 102 to guide the first slider 107 to reset, the first reset structure includes a first reset member 4 disposed on the first slider 107 and a first fixing plate 108 disposed on the first lower die plate 102, in this embodiment, a groove is formed on a bottom surface of the first slider 107, the first reset member 4 is preferably a nitrogen spring, a fixing end of the first reset member is installed in the groove, the first fixing plate 108 is fixedly installed on a top surface of the first lower die plate 102 and extends into the groove and is connected with a movable end of the first reset member 4, when the upper die assembly is matched with the lower die assembly, the first wedge 203 drives the first slider 107 to slide towards a center of the central trimming plate 104 and compresses the first reset member 4, when the upper die assembly is lifted and separated from the lower die assembly, the first wedge 203 is separated from the first slider 107, and the first reset member 4 drives the first slider 107 to slide towards a direction opposite to a center of the central trimming plate 104, so as to complete the guiding of the reset of the first slider 107.

Further, the first guiding structure further includes a first pressing plate 109 for pressing the left and right sides of the stretching member 3 against the left and right sides of the central trimming plate 104, the first pressing plate 109 is disposed on the first sliding block 107 and located above the first trimming plate 105, an elastic member 5 is disposed between the first pressing plate 109 and the first sliding block 107, in this embodiment, the elastic member 5 is preferably a spring, a spring fixing hole is disposed on the first sliding block 107, one end of the elastic member 5 abuts against the bottom end of the spring fixing hole, the other end abuts against the end surface of the first pressing plate 109 away from the central trimming plate 104, when the upper die assembly descends and the lower die assembly cooperates, the first wedge 203 drives the first sliding block 107 to slide toward the center of the central trimming plate 104, so that the first pressing plate 109 presses the left and right sides of the stretching member 3 against the sides of the central trimming plate 104, the first sliding block 107 overcomes the elastic force of the elastic member 5 to slide continuously, the knife edge of the first trimming plate 105 cooperates with the central trimming plate 104 to cut off the left and right sides of the stretching member 3, when the upper die assembly ascends and separates from the lower die assembly, and the first wedge 203 separates from the first wedge 107 and resets the first wedge 107.

Further, a second reset structure is disposed between the second slider 110 and the second lower die plate 103 to guide the second slider 110 to reset, the second reset structure includes a second reset member 6 disposed on the second slider 110, and a second fixing plate 111 disposed on the second lower die plate 103, in this embodiment, a groove is formed on a bottom surface of the second slider 110, the second reset member 6 is preferably a nitrogen spring, a fixing end of the second reset member 6 is installed in the groove, the second fixing plate 111 is fixedly installed on a top surface of the second lower die plate 103 and extends into the groove and is connected with a movable end of the second reset member 6, when the upper die assembly is matched with the lower die assembly, the second wedge 204 drives the second slider 110 to slide towards the center of the central trimming plate 104, and compresses the second reset member 6, when the upper die assembly is lifted and separated from the lower die assembly, the second wedge 204 is separated from the second slider 110, and the second reset member 6 drives the second slider 110 to slide towards a direction opposite to the center of the central trimming plate 104, so as to complete the reset guiding the second slider 110.

Further, the second guiding structure further includes a second pressing plate 112 for pressing the front and rear sides of the stretching member 3 against the front and rear sides of the central trimming plate 104, the second pressing plate 112 is disposed on the second sliding plate 110 and located above the second trimming plate 106, an elastic member 5 is disposed between the second pressing plate 112 and the second sliding plate 110, in this embodiment, the elastic member 5 is preferably a spring, a spring fixing hole is disposed on the second sliding plate 110, one end of the elastic member 5 abuts against the bottom end of the spring fixing hole, the other end abuts against the end surface of the second pressing plate 112 away from the central trimming plate 104, when the upper die assembly moves down and the lower die assembly cooperates with the second wedge 204 to drive the second sliding plate 110 to slide toward the center of the central trimming plate 104, so that the second pressing plate 112 presses the front and rear sides of the stretching member 3 against the sides of the central trimming plate 104, the second sliding plate 110 overcomes the elastic force of the elastic member 5 to continue sliding, the second trimming plate 106 cooperates with the knife edge of the central trimming plate 104 to cut off the edge of the front and rear sides of the stretching member 3, when the upper die assembly moves up and separates from the lower die assembly and the second wedge 204 and resets the second wedge 110.

Further, the lower die assembly further includes a plurality of cutting members 113 disposed on the central lower die plate 101 and used for cutting the rim charge of the stretching member 3, the cutting members 113 are arranged on the front side and/or the rear side and/or the left side and/or the right side of the central lower die plate 101 at intervals, in this embodiment, the number of the cutting members 113 is preferably eight, and the cutting members 113 are uniformly arranged on the front side, the rear side, the left side and the right side of the central lower die plate 101 at intervals, when the first trimming plate 105 and the second trimming plate 106 are respectively matched with the central trimming plate 104 to cut the rim charge of the stretching member 3, the rim charge of the stretching member 3 is cut into several sections and discharged from between the central lower die plate 101 and the first lower die plate 102 and the second lower die plate 103 under the matching of the first trimming plate 105 and the second trimming plate 106, and the rim charge of the stretching member 3 with smaller size is convenient for people to clean.

Referring to fig. 5-6, in the trimming process of the die for trimming a drawn part, the drawn part 3 is first placed on the central trimming plate 104, each side of the drawn part 3 is respectively abutted against each side of the central trimming plate 104, then, the punching device is started, the upper die assembly moves downward, the material pressing plate 202 presses the drawn part 3 against the top surface of the central trimming plate 104 to fix the drawn part 3, the first wedge 203 is in contact with the first slider 107, and the second wedge 204 is in contact with the second slider 110.

Referring to fig. 7 to 8, the upper die assembly continues to move downward, the first wedge 203 drives the first slider 107 to slide toward the center of the center trimming plate 104, the first pressing plate 109 presses the left and right sides of the tension member 3 against the left and right sides of the center trimming plate 104, the knife edge of the first trimming plate 105 cooperates with the knife edge of the center trimming plate 104 to cut the rim charge of the left and right sides of the tension member 3, the cutting member 113 located on the left and right sides cooperates with the first trimming plate 105 to cut the rim charge of the cut tension member 3 into several sections and then is discharged from between the center lower die plate 101 and the first lower die plate 102, and the second wedge 204 drives the second slider 110 to slide toward the center of the center trimming plate 104 for a distance without the second pressing plate 112 and the second trimming plate 106 contacting the center trimming plate 104.

Referring to fig. 9 to 11, the upper die assembly continues to move downward, the second wedge 204 drives the second slider 110 to continue to slide toward the center of the center trimming plate 104, the second pressing plate 112 presses the front and rear sides of the tension member 3 against the front and rear sides of the center trimming plate 104, the knife edge of the second trimming plate 106 cooperates with the knife edge of the center trimming plate 104 to cut off the rim charge of the front and rear sides of the tension member 3, and the cutting member 113 located on the front and rear sides cooperates with the second trimming plate 106 to cut off the rim charge of the cut tension member 3 into several sections and then is discharged from between the center lower die plate 101 and the second lower die plate 103, so as to cut off the rim charge of each side of the tension member 3.

After the processing is completed, the upper die assembly is reset upwards, the first wedge 203 leaves the first slide block 107 and resets the first slide block 107, the second wedge 204 leaves the second slide block 110 and resets the second slide block 110, and finally the stretching piece 3 is taken out.

The foregoing is a preferred embodiment of the utility model showing and describing the general principles, features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the foregoing embodiments, which have been described in the foregoing embodiments and description merely illustrates the principles of the utility model, and that various changes and modifications may be effected therein without departing from the spirit and scope of the utility model as defined in the appended claims and their equivalents.

Claims (10)

1. The utility model provides a tensile piece side cut mould, includes lower mould subassembly and last mould subassembly that corresponds from top to bottom, its characterized in that: the lower die assembly comprises a center lower die plate (101), a first lower die plate (102) oppositely arranged on the left side and the right side of the center lower die plate (101), a second lower die plate (103) oppositely arranged on the front side and the rear side of the center lower die plate (101), a center trimming plate (104) arranged on the center lower die plate (101), a first trimming plate (105) arranged on the first lower die plate (102) and matched with the center trimming plate (104), and a second trimming plate (106) arranged on the second lower die plate (103) and matched with the center trimming plate (104), wherein the upper die assembly comprises an upper die plate (201) and a blank pressing plate (202) arranged on the upper die plate (201) and used for pressing a stretching piece (3) on the center trimming plate (104), a first guide structure used for guiding the first trimming plate (105) to move towards the center of the center trimming plate (104) is arranged between the first lower die plate (102) and the upper die plate (201), and a second guide structure used for guiding the second trimming plate (106) to move towards the center of the center trimming plate (104) is arranged between the second lower die plate (103) and the upper die plate (201).

2. The die for trimming a drawn part according to claim 1, wherein the first guiding structure comprises a first slider (107) horizontally sliding on the first lower die plate (102) and a first inclined wedge (203) arranged on the upper die plate (201) and located above the first slider (107), the first trimming plate (105) is arranged on a side surface of the first slider (107) facing the center trimming plate (104), a first inclined surface (1071) is arranged on a top surface of the first slider (107), the first inclined surface (1071) is arranged on a side of the first slider (107) far away from the center trimming plate (104), a second inclined surface (2031) is arranged on a bottom surface of the first inclined wedge (203) and is arranged on a side of the first inclined wedge (203) near the pressing plate (202), the first inclined surface (1071) and the second inclined surface (2031) are mutually matched, the first inclined surface (203) drives the first slider (107) to face the center trimming plate (104) toward the center trimming plate (104), and the left side surface (105) is mutually matched with the right trimming plate (104) to stretch the left trimming plate (104).

3. The trimming die for stretching members according to claim 2, wherein a first reset structure is provided between the first slider (107) and the first lower die plate (102) to guide the first slider (107) to reset, the first reset structure comprising a first reset member (4) provided on the first slider (107) and a first fixing plate (108) provided on the first lower die plate (102).

4. The stretching member trimming die according to claim 2, wherein the first guiding structure further comprises a first pressing plate (109) for pressing the left and right sides of the stretching member (3) against the left and right sides of the central trimming plate (104), the first pressing plate (109) is disposed on the first slider (107) and located above the first trimming plate (105), and an elastic member (5) is disposed between the first pressing plate (109) and the first slider (107).

5. The trimming die for the stretched member according to claim 1, wherein the second guiding structure comprises a second sliding block (110) horizontally sliding on the second lower die plate (103) and a second inclined wedge (204) arranged on the upper die plate (201) and located above the second sliding block (110), the second trimming plate (106) is arranged on the side surface of the second sliding block (110) facing the central trimming plate (104), a third inclined surface (1101) is arranged on the top surface of the second sliding block (110), the third inclined surface (1101) is arranged on one side of the second sliding block (110) far away from the central trimming plate (104), a fourth inclined surface (2041) is arranged on the bottom surface of the second inclined wedge (204), one side of the fourth inclined surface (2041) close to the pressing plate (202), the third inclined surface (1101) is mutually matched with the fourth inclined surface (2041), the second inclined surface (204) drives the second sliding block (110) to face the central trimming plate (104), and the side surface (104) is mutually matched with the front side surface (106) of the second inclined wedge (204) to stretch the front trimming member (3).

6. The trimming die for the stretched piece according to claim 5, wherein a second reset structure is arranged between the second slider (110) and the second lower die plate (103) to guide the second slider (110) to reset, and the second reset structure comprises a second reset component (6) arranged on the second slider (110) and a second fixing plate (111) arranged on the second lower die plate (103).

7. The die for trimming a drawn part according to claim 5, wherein the second guide structure further comprises a second pressing plate (112) for pressing the front and rear sides of the drawn part (3) against the front and rear sides of the central trimming plate (104), the second pressing plate (112) is disposed on the second slider (110) and is located above the second trimming plate (106), and an elastic member (5) is disposed between the second pressing plate (112) and the second slider (110).

8. The stretching member trimming die according to claim 1, wherein the lower die assembly further comprises a plurality of cutting members (113) provided on the central lower die plate (101) for cutting off the rim charge of the stretching member (3), the cutting members (113) being arranged at intervals on the front side and/or the rear side and/or the left side and/or the right side of the central lower die plate (101).

9. The die for trimming a drawn part according to claim 1, wherein the lower die assembly further comprises a central lower die pad plate (114) disposed at the bottom of the central lower die plate (101), a first lower die pad plate (115) disposed at the bottom of the first lower die plate (102), a second lower die pad plate (116) disposed at the bottom of the second lower die plate (103), and a lower die base plate (117) disposed at the bottoms of the central lower die pad plate (114), the first lower die pad plate (115), and the second lower die plate (103).

10. The die for trimming a drawing member according to claim 1, wherein the upper die assembly further comprises an upper backing plate (205) disposed between the pressing plate (202) and the upper die plate (201), an upper support plate (206) disposed on an upper portion of the upper die plate (201), and an upper die top plate (207) disposed on an upper portion of the upper support plate (206), and an elastic member (5) is disposed between the upper die top plate (207) and the pressing plate (202).