CN114273525A - Wheel spoke mold and wheel spoke machining method - Google Patents
Wheel spoke mold and wheel spoke machining method Download PDFInfo
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- CN114273525A CN114273525A CN202111658711.4A CN202111658711A CN114273525A CN 114273525 A CN114273525 A CN 114273525A CN 202111658711 A CN202111658711 A CN 202111658711A CN 114273525 A CN114273525 A CN 114273525A
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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
- B21D35/00—Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D53/00—Making other particular articles
- B21D53/26—Making other particular articles wheels or the like
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- Mechanical Engineering (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
- Press Drives And Press Lines (AREA)
Abstract
The invention discloses a wheel spoke mold and a wheel spoke machining method, and relates to the technical field of automobile manufacturing. The wheel spoke mold provided by the invention can improve the production efficiency and the processing precision of the wheel spoke and reduce the production cost.
Description
Technical Field
The invention relates to the technical field of automobile manufacturing, in particular to a wheel spoke mold and a wheel spoke machining method.
Background
Wheel spokes are important components carried by a vehicle, which bear the vertical load, lateral forces, driving (braking) torque and various stresses generated during driving of the vehicle. Therefore, the design and manufacture of the wheel spoke have high requirements, and the manufacturing process of the wheel spoke is a key factor for ensuring the performance of the wheel spoke besides the selection of the material and the structure of the wheel spoke.
Traditional wheel spoke manufacturing process mainly includes processes such as blanking, shaping, turn-ups, pre-punching a hole, accomplishes the manufacturing of spoke and need use different equipment, experiences multichannel process, and not only production efficiency is low, aligns the phenomenon that the skew of wheel spoke center hole site also appears easily many times during the change station for the wheel spoke of making is scrapped because of the precision is low, has increased manufacturing cost.
Disclosure of Invention
The invention aims to provide a wheel spoke mold and a wheel spoke processing method, which can improve the production efficiency and processing precision of a wheel spoke and reduce the production cost.
The embodiment of the invention is realized by the following steps:
a wheel spoke mold comprises an upper mold plate, a lower mold plate, an upper mold assembly arranged on the upper mold plate, a blanking female mold, a lower mold and a sheet material fixing assembly arranged on the lower mold plate, wherein the blanking female mold and the sheet material fixing assembly are arranged around the lower mold plate, the sheet material fixing assembly is used for bearing and positioning square sheet materials, the upper mold plate is driven to move towards the lower mold plate, the edge of the outer wall of the upper mold assembly and the edge of the inner wall of the blanking female mold are sheared to cut the square sheet materials and form the circular sheet materials positioned in the blanking female mold, the upper mold assembly and the sheet material fixing assembly clamp the circular sheet materials to move towards the lower mold to extrude the circular sheet materials to obtain arched material blanks, the upper mold assembly continues to move towards the lower mold to enable the edges of the arched material blanks to be attached to the lower mold to form a spoke forward-drawing semi-finished product, a pre-hole groove is formed in the center of the upper surface of the lower mold assembly, and the upper mold assembly punches towards the pre-hole into the pre-hole groove to form a spoke forward-drawing semi-finished product, obtaining the finished product of the positive drawing of the spoke.
Optionally, as an implementable mode, the plate fixing assembly includes a lower pressing plate and a plate positioning block, the plate positioning block is fixed on the lower template, the lower pressing plate is located between the plate positioning block and the lower die, the upper surface of the lower pressing plate is used for bearing a square plate, and the plate positioning block is used for limiting the side wall of the square plate.
Optionally, as an implementable manner, the upper die assembly includes a pre-hole punch, an upper pressing plate and an upper die piece, which are concentrically arranged, a center line of the pre-hole punch passes through a center of an upper surface of the lower die piece, an edge of an outer wall of the upper die piece and an edge of an inner wall of the blanking female die perform a shearing action, a lower surface of the upper die piece and the plate fixing assembly clamp the circular plate, a lower surface of the upper pressing plate and an upper surface of the lower die piece are mutually extruded to form an arch-shaped blank, an inner wall of the upper die piece and a side wall of the lower die piece are mutually extruded to form a spoke forward drawing semi-finished product, and the pre-hole punch is used for forming a pre-hole.
Optionally, as an implementable manner, the upper pressure plate is connected with the upper die plate through a spring, the spring is in a natural state, the lower surface of the pre-hole punch is located in a central hole of the upper pressure plate, the spring is in a compressed state, and the lower surface of the pre-hole punch can extend out of the lower surface of the upper pressure plate.
Optionally, as an implementable mode, the pre-hole punch is connected with the upper die plate through a fixing seat, and the outer wall of the fixing seat is matched with the central hole of the upper pressure plate.
Optionally, as an implementable mode, a vertical chute is arranged in the lower template, the lower pressing plate is located in the vertical chute, the lower surface of the lower pressing plate is connected with the movable air cushion, and the movable air cushion stretches and retracts in a reciprocating manner in the vertical direction.
Optionally, as an implementable manner, the inner wall of the lower material pressing plate is provided with a driving groove along the vertical direction, an end of the driving groove is located on the upper surface of the lower material pressing plate, and the other end of the driving groove can be abutted against the bottom of the spoke forward-drawn finished product to drive the spoke forward-drawn finished product to be separated from the lower mold.
A wheel spoke machining method, comprising: placing the square plate at a preset position of the plate fixing component, and limiting and fixing; driving the upper template to move towards the lower template, and cutting the square plate to form a circular plate under the shearing action of the edge of the outer wall of the upper die assembly and the edge of the inner wall of the blanking female die; the lower surface of the upper die assembly and the upper surface of the plate fixing assembly clamp the circular plate to move downwards to the die block so as to extrude the circular plate to obtain an arch-shaped blank; the lower surface of the upper die assembly continues to drive the edge of the arched blank so that the edge of the arched blank is attached to the lower die assembly to form a spoke forward-drawing semi-finished product; and punching the spoke forward-drawing semi-finished product by the upper die assembly to obtain a spoke forward-drawing finished product.
Optionally, as an implementable manner, the plate fixing assembly includes a lower pressing plate and a plate positioning block; place square sheet material in sheet material fixed component's default position and spacing fixed include: and placing the square plate at a preset position on the upper surface of the lower pressing plate, and limiting and fixing the side wall of the square plate by the plate positioning block.
Optionally, as an implementable manner, the upper die assembly includes a pre-hole punch, an upper pressing plate and an upper die element, which are concentrically arranged; the drive cope match-plate pattern moves towards the lower bolster, goes up the outer wall edge of mould subassembly and the inner wall edge shearing action cutting square sheet material of blanking die and includes in order to form circular sheet material: driving the upper template to move towards the lower template, and cutting the square plate to form a circular plate under the shearing action of the edge of the outer wall of the upper module and the edge of the inner wall of the blanking female die; the lower surface of going up the mould subassembly and the upper surface centre gripping circular sheet material of fixed subassembly of sheet material move down the module in order to obtain the arch blank with circular sheet material extrusion includes: the lower surface of the upper die piece and the upper surface of the lower material pressing plate clamp the circular plate material to move towards the lower die piece, and the upper material pressing plate and the lower die piece are mutually extruded to extrude the circular plate material to obtain an arch-shaped material blank; the lower surface of the upper die assembly continuing to drive the edges of the arcuate blanks to conform the edges of the arcuate blanks to the lower die assembly to form the spoke drawing semifinished product comprises: the lower surface of the upper die part continues to drive the edge of the arch blank so that the edge of the arch blank is attached to the side wall of the lower die part to form a spoke positive drawing semi-finished product; the upper die assembly punches the spoke forward-drawing semi-finished product to obtain the spoke forward-drawing finished product, and the method comprises the following steps: and punching the spoke forward-drawing semi-finished product by using the pre-hole punch to obtain a spoke forward-drawing finished product.
The embodiment of the invention has the beneficial effects that:
the invention provides a wheel spoke mold, which comprises an upper mold plate, a lower mold plate, an upper mold assembly arranged on the upper mold plate, a blanking female mold, a lower mold and a sheet material fixing assembly arranged on the lower mold plate, wherein the blanking female mold and the sheet material fixing assembly are arranged around the lower mold plate, the sheet material fixing assembly is used for bearing and positioning square sheet materials, the upper mold plate is driven to move towards the lower mold plate, the edge of the outer wall of the upper mold assembly and the edge of the inner wall of the blanking female mold are sheared to cut the square sheet materials and form the circular sheet materials positioned in the blanking female mold, the upper mold assembly and the sheet material fixing assembly clamp the circular sheet materials to move towards the lower mold to extrude the circular sheet materials to obtain an arched blank, the upper mold assembly continues to move towards the lower mold to enable the edge of the arched blank to be attached to the lower mold to form a spoke positive-drawing semi-finished product, a pre-hole groove is formed in the upper surface of the spoke positive-drawing semi-finished product by punching of the upper mold assembly towards the pre-hole groove, obtaining the finished product of the positive drawing of the spoke. Above-mentioned wheel spoke mould lasts the downstream through last mould subassembly, and cooperation blanking die and lower mould piece can accomplish blanking, shaping, turn-ups and pre-punching process in proper order, need not to change the station and aim at many times during, can effectively improve the production efficiency and the machining precision of wheel spoke, reduction in production cost.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of a wheel spoke mold according to an embodiment of the present invention;
fig. 2 is a second schematic structural view of a wheel spoke mold according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a square plate and a circular plate according to an embodiment of the present invention;
fig. 4 is a third schematic structural view of a wheel spoke mold according to an embodiment of the present invention;
FIG. 5 is a schematic view of an arcuate preform provided by an embodiment of the present invention;
FIG. 6 is a schematic structural diagram of a positive-drawing semi-finished spoke product provided by an embodiment of the invention;
FIG. 7 is a schematic structural view of a positive-drawn finished spoke product provided by an embodiment of the invention;
FIG. 8 is an enlarged view of a portion of FIG. 2 at A;
fig. 9 is a flowchart of a wheel spoke machining method according to an embodiment of the present invention;
fig. 10 is a second flowchart of a wheel spoke processing method according to an embodiment of the present invention.
Icon: 100-wheel spoke mold; 111-a lower template; 1111-vertical chute; 112-lower mould; 1121-pre-hole grooves; 113-a lower material pressing plate; 1131 — first guide groove; 1132 — a drive slot; 114-a plate positioning block; 115-blanking female die; 116-a movable air cushion; 117-mount; 121-upper template; 122-a pre-hole punch; 123-upper pressing plate; 1231-central hole; 1232-bump; 124-upper module; 1241-second guide groove; 1242-third guide groove; 125-spring; 126-a fixed seat; 210-square plate; 220-round plate material; 230-blanking waste; 240-arch shaped preform; 250-positively drawing the semi-finished product of the spoke; 260-positive drawing of the finished product of the spoke.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "vertical", "horizontal", "inside", "outside", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships conventionally put in use of products of the present invention, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 to 4, the present embodiment provides a wheel spoke mold 100, which includes an upper mold plate 121, a lower mold plate 111, an upper mold assembly disposed on the upper mold plate 121, and a blanking die 115, a lower mold member 112 and a sheet fixing assembly disposed on the lower mold plate 111, wherein the blanking die 115 and the sheet fixing assembly are disposed around the lower mold member 112, the sheet fixing assembly is used for carrying and positioning a square sheet 210, the upper mold plate 121 is driven to move towards the lower mold plate 111, an outer wall edge of the upper mold assembly and an inner wall edge of the blanking die 115 shear to cut the square sheet 210 and form a circular sheet 220 located in the blanking die 115, referring to fig. 5 to 7, the upper mold assembly and the sheet fixing assembly clamp the circular sheet 220 to move towards the lower mold member 112 to extrude the circular sheet 220 into an arch 240, the upper mold assembly continues to move towards the lower mold member 112 to attach the edge of the arch blank 240 to the lower mold member 112 to form a positive-drawn semi-finished product 250, a pre-hole groove 1121 is formed in the center of the upper surface of the lower die member 112, and the upper die assembly punches into the pre-hole groove 1121 to form a pre-hole in the spoke forward-drawing semi-finished product 250, so that the spoke forward-drawing finished product 260 is obtained.
The wheel spoke mold 100 comprises an upper mold plate 121, a lower mold plate 111, an upper mold assembly, a blanking female mold 115, a lower mold 112 and a sheet fixing assembly, wherein the upper mold assembly, the blanking female mold 115, the lower mold 112 and the sheet fixing assembly are located between the upper mold plate 121 and the lower mold plate 111, an unprocessed square sheet 210 is placed on the sheet fixing assembly to be fixed and positioned, the upper mold plate 121 is driven to move downwards, the upper mold assembly moves towards the square sheet 210 along with the upper mold plate 121, the outer wall of the upper mold assembly is circular and is sheared with the inner wall of the blanking female mold 115, as shown in fig. 3, four edges of the square sheet 210 are simultaneously removed to form a circular sheet 220, and a shaded part in fig. 3 is sheared blanking waste 230. After the blanking process is completed, the upper die assembly continues to move downwards, the circular plate 220 is clamped by the lower surface of the upper die assembly and the upper surface of the plate fixing assembly to move downwards, and meanwhile, the inner wall of the upper die assembly and the surface of the lower die part 112 are mutually extruded, so that the circular plate 220 is formed into an arched blank 240 as shown in fig. 5. After the molding process is completed, the upper die assembly continues to move downwardly and the lower surface of the upper die assembly pushes the edges of the arcuate preform 240 into engagement with the side walls of the lower die 112 to produce the positive spoke drawing blank 250 shown in FIG. 6. After the flanging process is completed, the upper die assembly continues to move downwards and punch a pre-hole on the surface of the spoke forward-drawing semi-finished product 250, so that a spoke forward-drawing finished product 260 shown in fig. 7 is obtained.
The wheel spoke mold 100 continuously moves downwards through the upper mold assembly, blanking, forming, flanging and pre-punching can be sequentially completed by matching the blanking female mold 115 and the lower mold 112, station replacement and multiple alignment are not needed in the process, the production efficiency and the machining precision of the spoke forward-drawing finished product 260 can be effectively improved, and the production cost is reduced.
Referring to fig. 2, 4 and 8, optionally, in an implementation manner of the embodiment of the present invention, the plate fixing assembly includes a lower material pressing plate 113 and a plate positioning block 114, the plate positioning block 114 is fixed on the lower die plate 111, the lower material pressing plate 113 is located between the plate positioning block 114 and the lower die 112, an upper surface of the lower material pressing plate 113 is used for bearing the square plate 210, and the plate positioning block 114 is used for limiting a side wall of the square plate 210.
The lower material pressing plate 113 is arranged on the lower template 111 in a sliding mode and can reciprocate in the vertical direction, after the lower material pressing plate 113 moves to the position above the lower die 112, the square plate 210 is placed on the upper surface of the lower material pressing plate 113, and the lower material pressing plate 113 supports the square plate 210 in the vertical direction. The plate positioning block 114 is fixed on the lower template 111 and arranged around the square plate 210, the plate positioning block 114 limits the square plate 210 in the horizontal direction towards the side wall of the square plate 210 to prevent the square plate 210 from moving along the horizontal plane, and meanwhile, the interference with the upper die assembly can be avoided by adopting a side positioning mode. It should be understood that the slab positioning block 114 may be directly fixed to the lower module 112 or may be indirectly fixed to the lower module 112 through the mounting seat 117.
Illustratively, the number of the slab positioning blocks 114 is four, and the four slab positioning blocks 114 are uniformly distributed around the center of the upper surface of the lower mold 112. The four plate positioning blocks 114 respectively position the square plates 210 at four edges thereof to fix and position the square plates 210.
Optionally, in an implementation manner of the embodiment of the present invention, a vertical chute 1111 is disposed in the lower mold plate 111, the lower material pressing plate 113 is located in the vertical chute 1111, a lower surface of the lower material pressing plate 113 is connected to the movable air cushion 116, and the movable air cushion 116 extends and retracts back and forth along the vertical direction.
The lower material pressing plate 113 reciprocates in the vertical direction in the vertical sliding groove 1111 by the driving of the movable air cushion 116. As shown in fig. 2, when the lower material pressing plate 113 is required to bear the square plate 210, the movable air cushion 116 drives the lower material pressing plate 113 to move up to above the lower mold 112; as shown in fig. 1, after the square plate 210 is fixed, the upper die assembly moves down to cut and extrude the square plate 210, and in the process, the lower material pressing plate 113 moves down together with the upper die assembly under the driving of the movable air cushion 116.
Referring to fig. 1 and 2, in an alternative implementation manner of the embodiment of the present invention, a driving groove 1132 is disposed on an inner wall of the lower pressing plate 113 along a vertical direction, an end of the driving groove 1132 is located on an upper surface of the lower pressing plate 113, and another end of the driving groove 1132 can abut against a bottom of the spoke forward-drawing finished product 260 to drive the spoke forward-drawing finished product 260 to separate from the lower mold 112.
The inner wall of lower die holder 113 towards lower mould 112 still is equipped with along the drive groove 1132 of vertical direction extension, and the upper end that drive groove 1132 is located lower die holder 113's upper surface, the lower extreme then is located lower die holder 113's middle part. The inner wall of the lower end of the driving groove 1132 is in a horizontal state and is arranged corresponding to the bottom of the finished product 260 being drawn by the spoke, and when the lower pressure plate 113 moves upwards under the driving of the movable air cushion 116, the inner wall can contact with the bottom of the finished product 260 being drawn by the spoke and push the finished product 260 being drawn upwards to separate from the lower mold part 112, so that the finished product can be taken conveniently.
Illustratively, the outer wall of the lower material pressing plate 113 is provided with a first guide groove 1131 along the vertical direction, the upper end of the first guide groove 1131 is located on the upper surface of the lower material pressing plate 113, the lower end is located in the middle of the lower material pressing plate 113, and the first guide groove 1131 is used for accommodating the blanking die 115. In the process that the lower material pressing plate 113 moves upwards, the shearing end of the blanking female die 115 gradually enters the first guide groove 1131, so that the interference between the lower material pressing plate 113 and the blanking female die 115 can be avoided.
Alternatively, in an implementation manner of the embodiment of the present invention, the upper die assembly includes a pre-hole punch 122, an upper pressure plate 123 and an upper die 124, which are concentrically arranged, a center line of the pre-hole punch 122 passes through the center of the upper surface of the lower die 112, an outer wall edge of the upper die 124 and an inner wall edge of the blanking female die 115 perform a shearing action, a lower surface of the upper die 124 and the panel fixing assembly clamp the circular panel 220, a lower surface of the upper pressure plate 123 and an upper surface of the lower die 112 are pressed against each other to form an arched panel blank 240, an inner wall of the upper die 124 and a side wall of the lower die 112 are pressed against each other to form a spoke forward drawing semi-finished product 250, and the pre-hole punch 122 is used for forming a pre-hole.
The center line of the pre-hole punch 122 is disposed to be aligned with the center of the upper surface of the lower mold member 112, and the upper die member 124 and the upper die member 123 are sequentially disposed around the pre-hole punch 122, and the lower surface of the upper die member 124 is lower than the lower surface of the upper die member 123, thereby forming a space in which the lower mold member 112 can be accommodated. The upper mold 124 is horizontally located in a space enclosed by the blanking female die 115, and when the upper mold 124 is lowered to the height of the blanking female die 115, the outer wall of the upper mold 124 and the inner wall of the blanking female die 115 can be sheared mutually, and the generated shearing force removes four edges of the square plate 210 to form the circular plate 220. The upper die member 124 and the panel fixing assembly clamp the circular panel 220 to move towards the lower die member 112, and the upper pressing plate 123 moves downwards under the driving of the upper die plate 121 and presses the lower die member 112 at the same time when the upper die member 124 moves downwards, so that an arched blank 240 is obtained. The upper mold piece 124 continues to move downward and its lower surface applies a force to the edge of the arcuate preform 240 to conform the edge of the arcuate preform 240 to the side wall of the lower mold piece 112 to form the spoke positive drawing blank 250. After the pre-hole punch 122 contacts the semi-finished product 250, a pre-hole is punched into the pre-hole groove 1121 to form a pre-hole, and finally the finished product 260 is obtained.
Illustratively, the outer wall of the upper mold 124 is provided with a second guide groove 1241 along the vertical direction, the bottom end of the second guide groove 1241 is located at the lower surface of the upper mold 124, the top end is located at the middle part of the upper mold 124, and the second guide groove 1241 is used for receiving the plate positioning block 114. In the downward movement process of the upper mold unit 124, the positioning end of the plate positioning block 114 gradually enters the second guide groove 1241, so that the upper mold unit 124 can be limited by the plate positioning block 114 while avoiding interference between the upper mold unit 124 and the plate positioning block 114, and thus the upper mold unit 124 is prevented from shifting in the downward movement process.
Referring to fig. 1 and fig. 2, alternatively, in an implementation manner of the embodiment of the present invention, the upper pressure plate 123 is connected to the upper plate 121 through the spring 125, the spring 125 is in a natural state, the lower surface of the pre-hole punch 122 is located in the central hole 1231 of the upper pressure plate 123, the spring 125 is in a compressed state, and the lower surface of the pre-hole punch 122 can protrude out of the lower surface of the upper pressure plate 123.
The upper pressure plate 123 is connected with the upper die plate 121 through a spring 125, so that the upper pressure plate 123 can slide in a reciprocating manner in a vertical direction relative to the upper die plate 121. As shown in fig. 2, before the upper pressing plate 123 contacts the circular sheet 220, the spring 125 is in a natural state, and is in a stretched state only under the action of the gravity of the upper pressing plate 123, and at this time, the working surface of the pre-hole punch 122 is located in the central hole 1231 of the upper pressing plate 123; after the upper pressing plate 123 abuts against the circular sheet material 220, the spring 125 gradually changes from a stretching state to a compressing state along with the continuous movement of the upper die plate 121, and the pre-hole punch 122 is gradually exposed from the central hole 1231 of the upper pressing plate 123 to punch the spoke forward-drawing semi-finished product 250. Illustratively, spring 125 is a nitrogen spring.
In order to limit the upper pressure plate 123, illustratively, the inner wall of the upper die 124 is provided with a third guide groove 1242 along the vertical direction, the outer wall of the upper pressure plate 123 is provided with a protrusion 1232 matched with the third guide groove 1242, and the protrusion 1232 always slides in the third guide groove 1242 during the reciprocating motion of the upper pressure plate 123.
Alternatively, in an implementation manner of the embodiment of the present invention, the pre-hole punch 122 is connected to the upper die plate 121 through the fixing seat 126, and an outer wall of the fixing seat 126 is matched with the central hole 1231 of the upper pressing plate 123.
The fixing seat 126 is fixedly connected with the upper die plate 121, and the outer wall of the fixing seat 126 is matched with the central hole 1231 of the upper pressure plate 123 to guide the movement of the upper pressure plate 123. The pre-hole punch 122 is fixed on the fixing seat 126, and the diameter of the pre-hole punch 122 is smaller than that of the fixing seat 126, so that the pre-hole punch 122 can reciprocate in the central hole 1231 of the upper nip plate 123.
Referring to fig. 9, an embodiment of the present invention further discloses a method for machining a wheel spoke, which includes:
s100: and placing the square plate at a preset position of the plate fixing component, and limiting and fixing the square plate.
S200: the upper die plate is driven to move towards the lower die plate, and the square plate is cut by the shearing action of the edge of the outer wall of the upper die assembly and the edge of the inner wall of the blanking female die to form a circular plate.
S300: the lower surface of the upper die assembly and the upper surface of the plate fixing assembly clamp the circular plate to move downwards to the die block so as to extrude and form the circular plate into an arch-shaped blank.
S400: the lower surface of the upper die assembly continues to drive the edges of the arcuate preform to conform the edges of the arcuate preform to the lower die member to form the spoke positive drawing blank.
S500: and punching the spoke forward-drawing semi-finished product by the upper die assembly to obtain a spoke forward-drawing finished product.
According to the wheel spoke processing method, the upper die assembly of the wheel spoke die 100 continuously moves downwards, the blanking, forming, flanging and pre-punching processes can be sequentially completed by matching the blanking female die 115 of the wheel spoke die 100 with the lower die assembly 112, station replacement and multiple alignment are not needed in the process, the production efficiency and the processing precision of the wheel spoke can be effectively improved, and the production cost is reduced.
Referring to fig. 10, in an alternative implementation manner of the embodiment of the present invention, the slab fixing assembly includes a lower pressing plate and a slab positioning block.
Place square sheet material in sheet material fixed component's default position and spacing fixed include:
s110: and placing the square plate at a preset position on the upper surface of the lower pressing plate, and limiting and fixing the side wall of the square plate by the plate positioning block.
Before processing, the lower material pressing plate 113 of the wheel spoke mold 100 is used for supporting the square material plate 210, the plate material positioning block 114 of the wheel spoke mold 100 is used for limiting the side wall of the square material plate 210, so that the square material plate 210 is prevented from moving in a subsequent blanking process, and meanwhile, the square material plate can be prevented from interfering with an upper mold assembly in a side positioning mode.
With continued reference to FIG. 10, in an alternative manner of practicing an embodiment of the present invention, the upper die assembly includes a pre-orifice punch, an upper swage plate, and an upper die member, all of which are concentrically disposed.
The drive cope match-plate pattern moves towards the lower bolster, goes up the outer wall edge of mould subassembly and the inner wall edge shearing action cutting square sheet material of blanking die and includes in order to form circular sheet material:
s210: the upper template is driven to move towards the lower template, and the square plate is cut by the shearing action of the edge of the outer wall of the upper die and the edge of the inner wall of the blanking female die to form a circular plate.
The lower surface of going up the mould subassembly and the upper surface centre gripping circular sheet material of fixed subassembly of sheet material move down the module in order to obtain the arch blank with circular sheet material extrusion includes:
s310: the lower surface of the upper die piece and the upper surface of the lower material pressing plate clamp the circular plate material to move towards the lower die piece, and the upper material pressing plate and the lower die piece are mutually extruded to extrude the circular plate material to obtain an arch-shaped material blank.
The lower surface of the upper die assembly continuing to drive the edges of the arcuate blanks to conform the edges of the arcuate blanks to the lower die assembly to form the spoke drawing semifinished product comprises:
s410: the lower surface of the upper mold piece continues to drive the edges of the arcuate preform to conform the edges of the arcuate preform to the sidewalls of the lower mold piece to form the spoke positive drawn blank.
The upper die assembly punches the spoke forward-drawing semi-finished product to obtain the spoke forward-drawing finished product, and the method comprises the following steps:
s510: and punching the spoke forward-drawing semi-finished product by using the pre-hole punch to obtain a spoke forward-drawing finished product.
The upper die plate 121 drives the upper die piece 124, the upper pressure plate 123 and the pre-hole punch 122 to move downwards, and in the moving process, the blanking, forming, flanging and pre-punching processes are completed in sequence, so that the operation is simple, the production efficiency and the machining precision of the wheel spoke can be effectively improved, and the production cost is reduced.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A wheel spoke mold is characterized by comprising an upper mold plate, a lower mold plate, an upper mold assembly arranged on the upper mold plate, and a blanking female mold, a lower mold and a sheet material fixing assembly arranged on the lower mold plate, wherein the blanking female mold and the sheet material fixing assembly are arranged around the lower mold, the sheet material fixing assembly is used for bearing and positioning a square sheet material, the upper mold plate is driven to move towards the lower mold plate, the edge of the outer wall of the upper mold assembly and the edge of the inner wall of the blanking female mold are sheared to cut the square sheet material and form a circular sheet material positioned in the blanking female mold, the upper mold assembly and the sheet material fixing assembly clamp the circular sheet material to move towards the lower mold to enable the circular sheet material to obtain an arched blank, the upper mold assembly continues to move towards the lower mold to enable the edge of the arched blank to be attached to the lower mold to form a spoke forward-drawing semi-finished product through extrusion molding, and the upper die assembly punches towards the inside of the pre-hole groove to form a pre-hole on the spoke forward-drawing semi-finished product so as to obtain a spoke forward-drawing finished product.
2. The wheel spoke mold of claim 1, wherein the panel veneer fixing assembly comprises a lower panel veneer and a panel veneer positioning block, the panel veneer positioning block is fixed on the lower template, the lower panel veneer is located between the panel veneer positioning block and the lower die block, the upper surface of the lower panel veneer is used for bearing the square panel veneer, and the panel veneer positioning block is used for limiting the side wall of the square panel veneer.
3. The wheel spoke mold of claim 1, wherein the upper mold assembly comprises a pre-hole punch, an upper pressing plate and an upper mold piece which are concentrically arranged, a center line of the pre-hole punch passes through the center of the upper surface of the lower mold piece, the edge of the outer wall of the upper mold piece is sheared with the edge of the inner wall of the blanking female mold, the lower surface of the upper mold piece and the panel fixing assembly clamp the circular panel, the lower surface of the upper pressing plate and the upper surface of the lower mold piece are mutually pressed to form the arched blank, the inner wall of the upper mold piece and the side wall of the lower mold piece are mutually pressed to form the spoke positive drawing semi-finished product, and the pre-hole punch is used for forming the pre-hole.
4. The wheel spoke mold of claim 3, wherein the upper blank holder is connected with the upper mold plate through a spring, the spring is in a natural state, the lower surface of the pre-hole punch is located in a central hole of the upper blank holder, the spring is in a compressed state, and the lower surface of the pre-hole punch can extend out of the lower surface of the upper blank holder.
5. A wheel spoke mold according to claim 4, wherein the pre-hole punch is connected with the upper mold plate through a fixing seat, and the outer wall of the fixing seat is matched with the central hole of the upper pressure plate.
6. The wheel spoke mold of claim 2, wherein a vertical chute is formed in the lower mold plate, the lower pressing plate is located in the vertical chute, the lower surface of the lower pressing plate is connected with a movable air cushion, and the movable air cushion extends and retracts in a reciprocating manner in the vertical direction.
7. The wheel spoke mold of claim 6, wherein a driving groove is formed in the inner wall of the lower material pressing plate along the vertical direction, the end of the driving groove is located on the upper surface of the lower material pressing plate, and the other end of the driving groove can be abutted against the bottom of the spoke positive drawing finished product to drive the spoke positive drawing finished product to be separated from the lower mold piece.
8. A wheel spoke machining method is characterized by comprising the following steps:
placing the square plate at a preset position of the plate fixing component, and limiting and fixing;
driving the upper template to move towards the lower template, and cutting the square plate to form a circular plate under the shearing action of the edge of the outer wall of the upper die assembly and the edge of the inner wall of the blanking female die;
the lower surface of the upper die assembly and the upper surface of the plate fixing assembly clamp the circular plate to move towards the lower die assembly so as to extrude and form the circular plate into an arch-shaped blank;
the lower surface of the upper die assembly continues to drive the edge of the arched blank so that the edge of the arched blank is attached to the lower die assembly to form a spoke positive drawing semi-finished product;
and the upper die assembly punches the spoke forward-drawing semi-finished product to obtain a spoke forward-drawing finished product.
9. The method of claim 8, wherein the blank holder assembly includes a lower pressing plate and a blank positioning block;
placing the square plate in the preset position of the plate fixing assembly and limiting and fixing the square plate comprises the following steps:
and placing a square plate at a preset position on the upper surface of the lower pressing plate, wherein the plate positioning block is used for limiting and fixing the side wall of the square plate.
10. A wheel disc machining method according to claim 9, wherein the upper die assembly includes a pre-hole punch, an upper blank holder, and an upper die member, which are concentrically disposed;
the drive cope match-plate pattern moves towards the lower bolster, goes up the outer wall edge of mould subassembly and the cutting of the inner wall edge shearing action of blanking die square sheet material includes in order to form circular sheet material:
driving the upper template to move towards the lower template, and cutting the square plate to form a circular plate under the shearing action of the edge of the outer wall of the upper module and the edge of the inner wall of the blanking female die;
the lower surface of the upper die assembly and the upper surface of the plate fixing assembly clamp the circular plate to move towards the lower die assembly so as to extrude the circular plate to obtain an arched blank comprise:
the lower surface of the upper die part and the upper surface of the lower material pressing plate clamp the circular plate to move towards the lower die part, and the upper material pressing plate and the lower die part are mutually extruded to extrude the circular plate to obtain an arch-shaped blank;
the lower surface of the upper die assembly continuing to drive the edges of the arch-shaped blank to fit the edges of the arch-shaped blank with the lower die assembly to form a spoke positive drawing semi-finished product comprises:
the lower surface of the upper die continues to drive the edge of the arch blank so that the edge of the arch blank is attached to the side wall of the lower die to form a spoke positive drawing semi-finished product;
the upper die assembly punches the spoke forward-drawing semi-finished product to obtain a spoke forward-drawing finished product, and the method comprises the following steps:
and the pre-hole punch punches the spoke forward-drawing semi-finished product to obtain a spoke forward-drawing finished product.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111658711.4A CN114273525A (en) | 2021-12-30 | 2021-12-30 | Wheel spoke mold and wheel spoke machining method |
| PCT/CN2022/143049 WO2023125733A1 (en) | 2021-12-30 | 2022-12-28 | Wheel spoke die and wheel spoke machining method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111658711.4A CN114273525A (en) | 2021-12-30 | 2021-12-30 | Wheel spoke mold and wheel spoke machining method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114273525A true CN114273525A (en) | 2022-04-05 |
Family
ID=80878957
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111658711.4A Pending CN114273525A (en) | 2021-12-30 | 2021-12-30 | Wheel spoke mold and wheel spoke machining method |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN114273525A (en) |
| WO (1) | WO2023125733A1 (en) |
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| WO2023125733A1 (en) * | 2021-12-30 | 2023-07-06 | 浙江金固股份有限公司 | Wheel spoke die and wheel spoke machining method |
| WO2023125732A1 (en) * | 2021-12-30 | 2023-07-06 | 浙江金固股份有限公司 | Spoke and preparation method therefor |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2023125732A1 (en) * | 2021-12-30 | 2023-07-06 | 浙江金固股份有限公司 | Spoke and preparation method therefor |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2023125733A1 (en) | 2023-07-06 |
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