CN117066476B - Front fork forming equipment and method thereof - Google Patents

Abstract

The invention discloses a front fork forming device, which belongs to the technical field of motorcycle part processing, and comprises: a lower die groove is formed in one side of the top end of the lower die, and a cavity is formed in the lower die; an upper die cavity is formed in one side of the bottom end of the upper die, and the upper die cavity and the lower die cavity form a casting cavity; the cooling assembly is arranged in the cavity in the lower die, and the cooling part of the cooling assembly surrounds the outer side of the lower die groove; the movable part is connected to one side of the driving part at the lower part of the cooling assembly, and the working part of the casting hole assembly is positioned at one side of the lower die cavity; the movable part is connected to one side of the driving part on the upper part of the cooling assembly, and the working part of the ejection assembly is positioned at the bottom end of the lower die cavity. The front fork forming equipment and the method thereof can add holes for the front fork of the motorcycle during casting, and can adjust the depth of the holes so as to process the front fork of the motorcycle with different models.

Description

Front fork forming device and method thereof

Technical Field

The invention relates to the technical field of motorcycle parts processing, in particular to a front fork molding device and a method thereof.

Background Art

The motorcycle front fork is an important part of the motorcycle suspension system. Its main function is to buffer the bumps of the road to ensure the stability and comfort of the vehicle during driving. The working principle of the front fork can be simply summarized as: through the synergy of the spring and the shock absorber, the impact force of the road is converted into energy, and the energy is absorbed and dispersed, thereby ensuring the stability and comfort of the vehicle. The motorcycle front fork needs to be produced by casting molding equipment.

However, the existing front fork forming equipment can often only process motorcycle front forks with holes of fixed depth when producing formed front forks, and the production models are relatively single and the scope of application is not wide.

Summary of the invention

The main purpose of the present invention is to propose a front fork molding device and method thereof, aiming to solve the technical problems that the existing front fork molding equipment can only process motorcycle front forks with holes of fixed depth when producing molded front forks, the production models are relatively single, and the application range is not wide.

To solve the above technical problems, according to one aspect of the present invention, the present invention provides the following technical solutions:

A front fork forming device, comprising:

A lower mold has a lower mold groove on one side of the top and a cavity inside the lower mold;

The upper mold has an upper mold groove on one side of the bottom end, and the upper mold groove and the lower mold groove form a casting chamber;

A cooling assembly is installed in the cavity inside the lower mold, and a cooling portion of the cooling assembly surrounds the outer side of the lower mold groove;

A casting hole assembly, wherein the movable portion is connected to one side of the driving portion at the lower portion of the cooling assembly, and the working portion of the casting hole assembly is located at one side of the lower die groove;

The ejector assembly has a movable part connected to one side of the driving part on the upper part of the cooling assembly, and the working part of the ejector assembly is located at the bottom end of the lower mold groove.

As a preferred solution of the front fork forming equipment described in the present invention, guide rods are symmetrically installed on both sides of the top of the lower mold, the tops of the two guide rods are connected to both sides of the bottom of the mounting plate, support columns are installed at the four corners of the bottom of the lower mold, the bottom ends of the support columns are installed with anti-slip pads, a hydraulic push rod is installed in the middle of the bottom end of the mounting plate, the movable end of the hydraulic push rod is connected to the middle of the top of the upper mold, sliding sleeves are installed in the holes symmetrically opened on both sides of the upper mold, the two sliding sleeves are movably connected to the two guide rods respectively, and an introduction hole is opened on one side of the top of the upper mold, and the introduction hole is connected to the upper mold groove.

As a preferred embodiment of the front fork forming equipment described in the present invention, the cooling assembly includes a two-way water pump, a cooling pipe, a cooling machine, a shunt pipe, an electric control valve, a containing frame, a driving water wheel and a driving shaft, the two-way water pump is installed at the bottom end of the cavity of the lower mold, the two ends of the two-way water pump are connected to the two ends of the cooling pipe, and the cooling pipe surrounds the outside of the lower mold groove, one side of the cooling pipe is connected to the cooling machine, and the other side of the cooling machine is connected to two shunt pipes arranged up and down, both ends of the shunt pipe are installed with electric control valves, the middle top of the shunt pipe is installed with a containing frame, the interior of the containing frame is movably connected with a driving water wheel, and the lower part of the driving water wheel is located in the cooling pipe, the center of one side of the driving water wheel is connected with a driving shaft, and the driving shaft passes through the outside of the containing frame.

As a preferred embodiment of the front fork forming equipment described in the present invention, the casting hole assembly includes a casting hole driving assembly and a casting hole execution assembly, the movable part of the casting hole driving assembly is connected to one side of the driving part of the lower part of the cooling assembly, the driving part of the casting hole driving assembly is connected to the movable part of the casting hole execution assembly, the casting hole execution assembly is located on one side of the lower mold groove, and the working part of the casting hole execution assembly extends to the middle of the lower mold groove.

As a preferred embodiment of the front fork forming equipment described in the present invention, the casting hole driving assembly includes a first driving belt, a first transmission shaft, a first bevel gear, a second bevel gear, a second transmission shaft, a first sprocket, a chain, a second sprocket and a third transmission shaft, one end of the first driving belt is connected to the driving shaft at the bottom of the cooling assembly, the other end of the first driving belt is connected to one end of the first transmission shaft, the other end of the first transmission shaft is equipped with a first bevel gear, a second bevel gear is vertically and movably connected to one side of the rear side of the first bevel gear, one end of the second transmission shaft is connected to the center of one side wall of the second bevel gear, the other end of the second transmission shaft is connected to the first sprocket, the first sprocket is connected to the second sprocket via a chain, the third transmission shaft is installed at the center of the second sprocket, and one end of the third transmission shaft is connected to a side wall of the cavity of the lower mold.

As a preferred embodiment of a front fork forming device described in the present invention, the casting hole execution component includes a threaded rod, a plastic hole rod, a movable cavity, a threaded groove, a limit plate and a limit shaft, one end of the threaded rod is connected to the other end of the third transmission shaft, the other end of the threaded rod is inserted into the movable cavity opened at the rear of the plastic hole rod, and a threaded groove is opened on the inner wall of the movable cavity, the plastic hole rod is connected to the threaded rod through the threaded groove in the movable cavity, one end of the plastic hole rod extends to the interior of the lower mold groove, and the other end of the plastic hole rod is installed with a limit plate, the bottom and top ends of the limit plate are movably connected to the limit shaft, and the two ends of the limit shaft are respectively connected to one side wall of the lower mold cavity and the outer wall of the lower mold groove.

As a preferred solution of the front fork forming equipment described in the present invention, the ejection assembly includes an ejection drive assembly and an ejection execution assembly, the movable part of the ejection drive assembly is connected to one side of the drive part on the upper part of the cooling assembly, the drive part of the ejection drive assembly is connected to the movable part of the ejection execution assembly, the ejection execution assembly is located below the lower mold groove, and the working part of the ejection execution assembly extends to the bottom end of the lower mold groove.

As a preferred embodiment of the front fork forming equipment described in the present invention, the ejection drive assembly includes a second drive belt, a fourth transmission shaft and a drive gear, one end of the second drive belt is connected to the drive shaft on the upper part of the cooling assembly, the other end of the second drive belt is connected to one end of the fourth transmission shaft, the other end of the fourth transmission shaft is connected to a side wall of the lower mold cavity, and a drive gear is installed on the fourth transmission shaft.

As a preferred solution of a front fork forming equipment described in the present invention, the ejection actuator includes a gear rod, an ejection plate, a limit rod and a limit protrusion, one side of the gear rod is movably connected with a driving gear, the top end of the gear rod passes through the lower mold groove and is connected with the ejection plate, the ejection plate is attached to the inner bottom end of the lower mold groove, the bottom end of the gear rod is movably connected with the limit rod, the middle part of the side wall of the limit rod is installed with a limit protrusion, and the limit protrusion is movably connected in the limit groove opened inside the bottom end of the gear rod.

A front fork forming method comprises the following steps:

S1: When parts need to be produced, the upper mold is attached to the lower mold by driving it, and the upper mold groove and the lower mold groove are attached to each other to form a casting cavity, and the injection molding material is introduced into the casting cavity for casting;

S2: When the length of the casting hole in the part needs to be adjusted, the water pump and the valve below the cooling assembly are opened, and the water pump drives the coolant back and forth, and the driving part below the cooling assembly drives the casting hole assembly to work, and the position of the casting hole in the casting cavity is reciprocated to adjust the length of the casting hole;

S3: After the casting is completed, when the casting needs to be cooled, the water pump of the cooling assembly and the water pump below are turned on, and the water pump drives the coolant back and forth, and at the same time the internal cooling component is turned on, and the coolant flows from the driving part below to the outside of the casting cavity, thereby cooling the casting;

S4: When the casting needs to be taken out, the upper mold and the lower mold are separated first, and then the water pump of the cooling assembly and the valve below are opened to make the casting hole component fall off the casting cavity, and then the valve below is closed and the valve above is opened. The driving part above the cooling assembly drives the ejection assembly to work, and the ejection assembly ejects the casting out of the lower mold groove.

The beneficial effects of the present invention are as follows:

By driving the upper mold and the lower mold to close, the upper mold groove and the lower mold groove form a casting cavity, and then the casting hole assembly is driven by the cooling component to adjust the depth of the casting hole assembly to meet the required depth of the motorcycle front fork, and then the casting raw material is injected into the casting cavity to produce the motorcycle front fork. After the production is completed, the casting hole assembly is first driven to separate from the lower mold groove by the cooling component, and the cooling component cools the motorcycle front fork inside the casting cavity. After cooling, the upper mold and the lower mold are separated, and the cooling component drives the ejection component to eject the motorcycle front fork in the lower mold groove out of the lower mold groove, thereby taking out the motorcycle front fork.

The front fork molding device and method thereof can add holes to a motorcycle front fork during casting and can adjust the depth of the holes, thereby processing motorcycle front forks of different models.

BRIEF DESCRIPTION OF THE DRAWINGS

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

Fig. 1 is a schematic structural diagram of the present invention;

FIG2 is a schematic diagram of the structure of a cooling assembly of the present invention;

FIG3 is a schematic structural diagram of a cross-section of a shunt pipe of the present invention;

FIG4 is a schematic diagram of the structure of the casting hole assembly of the present invention when the plastic hole rod is retracted;

FIG5 is a schematic diagram of the structure of the first bevel gear and its connecting member when viewed from above;

FIG6 is a schematic diagram of the structure of the casting hole assembly of the present invention when the plastic hole rod is extended;

FIG. 7 is a schematic structural diagram of the ejection assembly of the present invention.

Description of Figure Numbers:

The realization of the purpose, functional features and advantages of the present invention will be further explained in conjunction with embodiments and with reference to the accompanying drawings.

DETAILED DESCRIPTION

The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

It should be noted that if the embodiments of the present invention involve directional indications such as up, down, left, right, front, back, etc., then the directional indications are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture as shown in the accompanying drawings. If the specific posture changes, the directional indication will also change accordingly.

In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the present invention, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or suggesting their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in the field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

The present invention provides a front fork molding device and method thereof, which can add holes to a motorcycle front fork during casting and can adjust the depth of the holes, thereby processing motorcycle front forks of different models;

Please refer to Figure 1 to Figure 7.

The lower mold 100 has a lower mold groove 110 formed on one side of the top, and a cavity is formed inside the lower mold 100;

The upper mold 200 has an upper mold groove 210 formed on one side of the bottom end, and the upper mold groove 210 and the lower mold groove 110 form a casting chamber;

The cooling assembly 300 is installed in the cavity inside the lower mold 100, and the cooling part of the cooling assembly 300 surrounds the outer side of the lower mold groove 110;

The casting hole assembly 400, the movable part of which is connected to one side of the driving part at the lower part of the cooling assembly 300, and the working part of the casting hole assembly 400 is located at one side of the lower die groove 110;

The ejector assembly 500, the movable part of which is connected to one side of the driving part of the upper part of the cooling assembly 300, and the working part of the ejector assembly 500 is located at the bottom end of the lower die groove 110;

The upper mold 200 and the lower mold 100 are used to form a mold body to produce a motorcycle front fork. The upper mold groove 210 and the lower mold groove 110 are used to cooperate with each other to form a casting chamber. The cooling component 300 is used to cool the motorcycle front fork that has been processed and formed in the casting chamber. The casting hole component 400 is used to form holes when casting the motorcycle front fork and control the depth of the holes, so as to produce motorcycle front forks with holes of different depths. The ejection component 500 is used to eject the motorcycle front fork that has been processed and formed in the lower mold groove 110 out of the lower mold groove 110, so as to facilitate the removal of the motorcycle front fork.

In specific use, by driving the upper mold 200 and the lower mold 100 to close, the upper mold groove 210 and the lower mold groove 110 form a casting cavity, and then the cooling component 300 drives the casting hole component 400 to adjust the depth of the casting hole component 400 to meet the required depth of the motorcycle front fork, and then the casting raw material is injected into the casting cavity to produce the motorcycle front fork. After the production is completed, the cooling component 300 first drives the casting hole component 400 to separate from the lower mold groove 110, and the cooling component 300 cools the motorcycle front fork inside the casting cavity. After cooling, the upper mold 200 and the lower mold 100 are separated, and the cooling component 300 drives the ejection component 500 to eject the motorcycle front fork in the lower mold groove 110 out of the lower mold groove 110, thereby taking out the motorcycle front fork.

Example 2

The top sides of the lower mold 100 are symmetrically connected with guide rods 120 by bolts, and the tops of the two guide rods 120 are connected to the bottom sides of the mounting plate 130 by bolts. The four corners of the bottom end of the lower mold 100 are connected with support columns 140 by bolts, and the bottom ends of the support columns 140 are bonded with anti-skid pads 141. The middle part of the bottom end of the mounting plate 130 is connected with a hydraulic push rod 220 by bolts, and the movable end of the hydraulic push rod 220 is connected to the middle part of the top end of the upper mold 200 by bolts. The sliding sleeves 230 are embedded and connected in the holes symmetrically opened on both sides of the upper mold 200, and the two sliding sleeves 230 are respectively slidably connected to the two guide rods 120. An introduction hole 240 is opened on one side of the top end of the upper mold 200, and the introduction hole 240 is connected to the upper mold groove 210.

The guide rod 120 is used to provide a channel for the sliding sleeve 230 to move, so that the sliding sleeve 230 can move along the guide rod 120. The mounting plate 130 is used to install the guide rod 120 and fix the hydraulic push rod 220. The support column 140 is used to support the lower mold 100. The anti-slip pad 141 is used to prevent the support column 140 from slipping. The hydraulic push rod 220 is used to push the upper mold 200 up and down. The sliding sleeve 230 is used to move along the guide rod 120 and connect the upper mold 200 so that the upper mold 200 can move along the guide rod 120. The introduction hole 240 is used to introduce the casting raw material into the casting cavity.

Example 3

The cooling assembly 300 includes a two-way water pump 310, a cooling pipe 320, a cooling machine 330, a shunt pipe 340, an electric control valve 350, a receiving frame 360, a driving water wheel 370 and a driving shaft 380. The two-way water pump 310 is connected to the bottom of the cavity of the lower mold 100 by bolts. The two ends of the two-way water pump 310 are connected to the two ends of the cooling pipe 320, and the cooling pipe 320 surrounds the outer side of the lower mold groove 110. One side of the cooling pipe 320 is connected to the cooling machine 330. The other side of the machine 330 is connected to two vertically arranged shunt pipes 340, both ends of the shunt pipes 340 are embedded with electric control valves 350, the top of the middle part of the shunt pipe 340 is connected to a receiving frame 360 by bolts, the inside of the receiving frame 360 is rotatably connected to a driving water wheel 370, and the lower part of the driving water wheel 370 is located in the cooling pipe 320, and the center of one side of the driving water wheel 370 is embedded with a driving shaft 380, and the driving shaft 380 passes through the outside of the receiving frame 360;

The bidirectional water pump 310 is used to transport coolant to the cooling pipe 320 in a bidirectional manner. The cooling pipe 320 is used to provide a channel for the flow of coolant so that the coolant can flow through the shunt pipe 340 and the outer side of the lower mold groove 110. The cooling machine 330 is used to cool the coolant so that the coolant can cool the motorcycle front fork in the lower mold groove 110 when flowing through the outer side of the lower mold groove 110. The shunt pipe 340 is used to separate the coolant in the cooling pipe 320 so that the coolant flows through the upper and lower containing frames 360 respectively. The electric control valve 350 is used to control the connection of the shunt pipe 340, thereby controlling the coolant to flow into the upper or lower shunt pipe 340. The containing frame 360 is used to allow the coolant to flow through the driving water wheel 370. The driving water wheel 370 is used to rotate with the flow of coolant, thereby driving the driving shaft 380 to rotate. The driving shaft 380 is used to drive the external connecting parts to rotate.

Example 4

The casting hole assembly 400 includes a casting hole driving assembly 410 and a casting hole executing assembly 420. The movable portion of the casting hole driving assembly 410 is connected to one side of the driving portion at the lower part of the cooling assembly 300. The driving portion of the casting hole driving assembly 410 is connected to the movable portion of the casting hole executing assembly 420. The casting hole executing assembly 420 is located at one side of the lower die groove 110, and the working portion of the casting hole executing assembly 420 extends to the middle of the lower die groove 110.

The casting hole driving assembly 410 includes a first driving belt 411, a first transmission shaft 412, a first bevel gear 413, a second bevel gear 414, a second transmission shaft 415, a first sprocket 416, a chain 417, a second sprocket 418 and a third transmission shaft 419, one end of the first driving belt 411 is connected to the driving shaft 380 at the lower part of the cooling assembly 300, the other end of the first driving belt 411 is connected to one end of the first transmission shaft 412, and the other end of the first transmission shaft 412 is embedded with the first bevel gear 413. , a second bevel gear 414 is vertically meshed and connected to one side of the rear portion of the first bevel gear 413, one end of a second transmission shaft 415 is embedded and connected to the center of one side wall of the second bevel gear 414, the other end of the second transmission shaft 415 is embedded and connected to a first sprocket 416, the first sprocket 416 is connected to a second sprocket 418 via a chain 417, a third transmission shaft 419 is embedded and connected to the center of the second sprocket 418, and one end of the third transmission shaft 419 is rotatably connected to a side wall of the cavity of the lower mold 100;

The casting hole execution assembly 420 includes a threaded rod 421, a plastic hole rod 422, an active cavity 423, a thread groove 424, a limit plate 425 and a limit shaft 426, one end of the threaded rod 421 is embedded and connected to the other end of the third transmission shaft 419, the other end of the threaded rod 421 penetrates into the active cavity 423 opened at the rear of the plastic hole rod 422, and a thread groove 424 is opened on the inner wall of the active cavity 423, the plastic hole rod 422 is threadedly connected to the threaded rod 421 through the thread groove 424 in the active cavity 423, one end of the plastic hole rod 422 extends to the interior of the lower mold groove 110, the other end of the plastic hole rod 422 is connected to the limit plate 425 by bolts, the bottom and top ends of the limit plate 425 are slidably connected to the limit shaft 426, and the two ends of the limit shaft 426 are respectively embedded and connected to a side wall of the cavity of the lower mold 100 and the outer wall of the lower mold groove 110;

The first driving belt 411 is used to rotate with the rotation of the driving shaft 380 on the lower shunt pipe 340, and drives the first transmission shaft 412 to rotate, the first transmission shaft 412 is used to drive the first bevel gear 413 to rotate, the first bevel gear 413 is used to drive the second bevel gear 414 to rotate, the second bevel gear 414 is used to drive the second transmission shaft 415 to rotate, the second transmission shaft 415 is used to drive the first sprocket 416 to rotate, the first sprocket 416 is used to drive the chain 417 to rotate, the chain 417 is used to drive the second sprocket 418 to rotate, the second sprocket 418 is used to drive the third transmission shaft 419 to rotate, the third transmission shaft 419 is used to drive the screw The threaded rod 421 rotates, and the threaded rod 421 is used to rotate in the active cavity 423 to apply a rotational force to the plastic hole rod 422. The plastic hole rod 422 is used to provide the function of casting plastic holes and adjust the depth of the casting holes. The active cavity 423 is used to enable the threaded rod 421 to be inserted into the plastic hole rod 422. The thread groove 424 is used to enable the threaded rod 421 to drive the plastic hole rod 422 to rotate when rotating. The limit plate 425 is used to limit the rotation of the plastic hole rod 422 so that the rotational force applied to the plastic hole rod 422 can be converted into a linear movement force. The limit shaft 426 is used to limit the rotation of the limit plate 425 so that the limit plate 425 can only move linearly.

Example 5

The ejection assembly 500 includes an ejection driving assembly 510 and an ejection executing assembly 520. The movable portion of the ejection driving assembly 510 is connected to one side of the driving portion of the upper portion of the cooling assembly 300. The driving portion of the ejection driving assembly 510 is connected to the movable portion of the ejection executing assembly 520. The ejection executing assembly 520 is located below the lower die groove 110, and the working portion of the ejection executing assembly 520 extends to the bottom end of the lower die groove 110.

The ejection drive assembly 510 includes a second drive belt 511, a fourth transmission shaft 512 and a driving gear 513, one end of the second drive belt 511 is connected to the driving shaft 380 at the upper portion of the cooling assembly 300, the other end of the second drive belt 511 is connected to one end of the fourth transmission shaft 512, the other end of the fourth transmission shaft 512 is rotatably connected to a side wall of the cavity of the lower mold 100, and the fourth transmission shaft 512 is embedded with a driving gear 513;

The ejection actuator 520 includes a gear rod 521, an ejection plate 522, a limiting rod 523 and a limiting protrusion 524. One side of the gear rod 521 is meshedly connected with a driving gear 513. The top end of the gear rod 521 passes through the lower die groove 110 and is connected with the ejection plate 522 by bolts. The ejection plate 522 is attached to the inner bottom end of the lower die groove 110. The bottom end of the gear rod 521 is slidably connected with the limiting rod 523. The limiting protrusion 524 is welded to the middle part of the side wall of the limiting rod 523, and the limiting protrusion 524 is slidably connected in the limiting groove opened inside the bottom end of the gear rod 521.

The second driving belt 511 is used to rotate with the rotation of the driving shaft 380 on the upper diverter pipe 340, and drives the fourth transmission shaft 512 to rotate. The fourth transmission shaft 512 is used to drive the driving gear 513 to rotate. The driving gear 513 is used to drive the gear rod 521 to move up and down. The gear rod 521 is used to drive the ejection plate 522 to move up and down. The ejection plate 522 is used to eject the motorcycle front fork in the lower mold groove 110 to the outside. The limiting rod 523 is used to enable the gear rod 521 to slide on the limiting rod 523 through the groove at the bottom. The limiting protrusion 524 is used to limit the rotation of the gear rod 521, so that the gear rod 521 can only move linearly on the limiting rod 523.

Example 6

A front fork forming method comprises the following steps:

S1: When parts need to be produced, the upper mold 200 is driven to fit onto the lower mold 100, the upper mold groove 210 and the lower mold groove 110 fit each other to form a casting cavity, and the injection molding material is introduced into the casting cavity for casting;

S2: When the length of the casting hole in the part needs to be adjusted, the water pump and the valve below the cooling assembly 300 are opened, and the water pump drives the coolant back and forth, and the driving part below the cooling assembly 300 drives the casting hole assembly 400 to work, and the position of the casting hole part in the casting cavity is reciprocated, thereby adjusting the length of the casting hole;

S3: After the casting is completed, when the casting needs to be cooled, the water pump of the cooling assembly 300 and the water pump below are turned on, and the water pump drives the coolant back and forth, and at the same time the internal cooling component is turned on, and the coolant flows from the driving part below to the outside of the casting cavity, thereby cooling the casting;

S4: When the casting needs to be taken out, the upper mold 200 and the lower mold 100 are first separated, and then the water pump of the cooling assembly 300 and the valve at the bottom are opened to make the casting hole component fall off the casting cavity, and then the valve at the bottom is closed and the valve at the top is opened. The upper driving part in the cooling assembly 300 drives the ejection assembly 500 to work, and the ejection assembly 500 ejects the casting out of the lower mold groove 110.

The above description is only a preferred embodiment of the present invention, and does not limit the patent scope of the present invention. All equivalent structural changes made by using the contents of the present invention specification and drawings under the inventive concept of the present invention, or directly/indirectly applied in other related technical fields are included in the patent protection scope of the present invention.

Claims (3)

1.A front fork forming apparatus, comprising:

a lower die groove (110) is formed in one side of the top end of the lower die (100), and a cavity is formed in the lower die (100);

An upper die (200), wherein an upper die groove (210) is formed in one side of the bottom end of the upper die, and the upper die groove (210) and the lower die groove (110) form a casting cavity;

A cooling assembly (300) installed in the cavity inside the lower mold (100), the cooling portion of the cooling assembly (300) surrounding the outside of the lower mold cavity (110);

the movable part of the casting hole assembly (400) is connected to one side of a driving part at the lower part of the cooling assembly (300), and a working part of the casting hole assembly (400) is positioned at one side of the lower die cavity (110);

The movable part of the ejection assembly (500) is connected to one side of the driving part at the upper part of the cooling assembly (300), and the working part of the ejection assembly (500) is positioned at the bottom end of the lower die cavity (110);

The cooling assembly (300) comprises a bidirectional water pump (310), cooling pipes (320), a cooling machine (330), a shunt pipe (340), an electric control valve (350), a containing frame (360), a driving water wheel (370) and a driving shaft (380), wherein the bidirectional water pump (310) is installed at the bottom end of a cavity of the lower die (100), two ends of the bidirectional water pump (310) are connected with two ends of the cooling pipe (320), the cooling pipe (320) surrounds the outer side of the lower die cavity (110), one side of the cooling pipe (320) is connected with the cooling machine (330), the other side of the cooling machine (330) is connected with two shunt pipes (340) which are arranged up and down, the electric control valve (350) is installed at two ends of the shunt pipe (340), the containing frame (360) is installed at the top end of the middle of the shunt pipe (340), the driving water wheel (370) is movably connected inside the containing frame (360), the lower part of the driving water wheel (370) is located in the cooling pipe (320), the driving shaft (380) is connected with the driving shaft (380) at the center of one side of the driving water wheel (370), and the driving shaft (380) penetrates the outside the containing frame (380).

The casting hole assembly (400) comprises a casting hole driving assembly (410) and a casting hole executing assembly (420), wherein a movable part of the casting hole driving assembly (410) is connected to one side of a driving part at the lower part of the cooling assembly (300), the driving part of the casting hole driving assembly (410) is connected with a movable part of the casting hole executing assembly (420), the casting hole executing assembly (420) is positioned at one side of the lower die cavity (110), and a working part of the casting hole executing assembly (420) extends to the middle inside the lower die cavity (110);

The cast hole driving assembly (410) comprises a first driving belt (411), a first driving shaft (412), a first bevel gear (413), a second bevel gear (414), a second driving shaft (415), a first sprocket (416), a chain (417), a second sprocket (418) and a third driving shaft (419), one end of the first driving belt (411) is connected to a driving shaft (380) at the lower part of the cooling assembly (300), the other end of the first driving belt (411) is connected to one end of the first driving shaft (412), the other end of the first driving shaft (412) is provided with the first bevel gear (413), one side of the rear part of the first bevel gear (413) is vertically and movably connected with the second bevel gear (414), one end of the second driving shaft (415) is connected to the center of one side wall of the second bevel gear (414), the other end of the second driving shaft (415) is connected with the first sprocket (416), the first sprocket (416) is connected to the second sprocket (418) through the chain (417), the other end of the second sprocket (418) is connected to the center of the driving shaft (418), and the third driving shaft (419) is arranged at the center of the side wall of the first sprocket (419) and is connected to the cavity (100);

The cast hole execution assembly (420) comprises a threaded rod (421), a plastic hole rod (422), a movable cavity (423), a thread groove (424), a limiting plate (425) and a limiting shaft (426), one end of the threaded rod (421) is connected to the other end of a third transmission shaft (419), the other end of the threaded rod (421) penetrates into the movable cavity (423) formed in the rear part of the plastic hole rod (422), the thread groove (424) is formed in the inner wall of the movable cavity (423), the plastic hole rod (422) is connected with the threaded rod (421) through the thread groove (424) in the movable cavity (423), one end of the plastic hole rod (422) extends into the lower die groove (110), the other end of the plastic hole rod (422) is provided with the limiting plate (425), the bottom end and the top end of the limiting plate (425) are both movably connected with the limiting shaft (426), and the two ends of the limiting shaft (426) are respectively connected to one side wall of a cavity of the lower die (100) and the outer wall of the lower die groove (110).

The ejection assembly (500) comprises an ejection driving assembly (510) and an ejection executing assembly (520), wherein a movable part of the ejection driving assembly (510) is connected to one side of a driving part at the upper part of the cooling assembly (300), the driving part of the ejection driving assembly (510) is connected with a movable part of the ejection executing assembly (520), the ejection executing assembly (520) is positioned below the lower die cavity (110), and a working part of the ejection executing assembly (520) extends to the bottom end inside the lower die cavity (110);

the ejection driving assembly (510) comprises a second driving belt (511), a fourth driving shaft (512) and a driving gear (513), one end of the second driving belt (511) is connected to a driving shaft (380) at the upper part of the cooling assembly (300), the other end of the second driving belt (511) is connected to one end of the fourth driving shaft (512), the other end of the fourth driving shaft (512) is connected to one side wall of the cavity of the lower die (100), and the driving gear (513) is arranged on the fourth driving shaft (512);

The ejector executing component (520) comprises a toothed bar (521), an ejector plate (522), a limit rod (523) and a limit lug (524), wherein a driving gear (513) is movably connected to one side of the toothed bar (521), the ejector plate (522) is connected to the ejector plate (522) through the lower die cavity (110) at the top end of the toothed bar (521), the ejector plate (522) is attached to the bottom end of the lower die cavity (110), the limit rod (523) is movably connected to the bottom end of the toothed bar (521), the limit lug (524) is mounted in the middle of the side wall of the limit rod (523), and the limit lug (524) is movably connected to a limit groove formed in the bottom end of the toothed bar (521).

2. The front fork forming equipment according to claim 1, wherein guide rods (120) are symmetrically installed on two sides of the top end of the lower die (100), two guide rods (120) are connected on two sides of the bottom end of the mounting plate (130), support columns (140) are installed at four corners of the bottom end of the lower die (100), anti-slip pads (150) are installed at the bottom ends of the support columns (140), a hydraulic push rod (220) is installed in the middle of the bottom end of the mounting plate (130), the movable end of the hydraulic push rod (220) is connected in the middle of the top end of the upper die (200), sliding sleeves (230) are installed in holes symmetrically formed in two sides of the upper die (200), two sliding sleeves (230) are respectively and movably connected to the two guide rods (120), guide holes (240) are formed in one side of the top end of the upper die (200), and the guide holes (240) are communicated with the upper die groove (210).

3. A front fork forming method suitable for use in the front fork forming apparatus of claim 1, comprising the steps of:

s1: when a part is required to be produced, an upper driving die (200) is attached to a lower die (100), an upper die groove (210) and a lower die groove (110) are attached to each other to form a casting cavity, and injection molding raw materials are introduced into the casting cavity for casting;

S2: when the length of a casting hole in a part is required to be adjusted, the water pump and the valve below the water pump of the cooling assembly (300) are opened, the water pump drives cooling liquid to reciprocate, the driving part below the cooling assembly (300) drives the casting hole assembly (400) to work, and the position of the casting hole part in the casting cavity is adjusted to reciprocate, so that the length of the casting hole is adjusted;

S3: when the cast part is required to be cooled after casting, the water pump of the cooling assembly (300) and the water pump below are turned on, the water pump is enabled to drive cooling liquid in a reciprocating mode, meanwhile, the cooling part inside the cooling assembly is turned on, and the cooling liquid flows to the outside of the casting cavity at the driving part below, so that the cast part is cooled;

S4: when the cast piece is required to be taken out, the upper die (200) and the lower die (100) are separated, the water pump of the cooling assembly (300) and the valve below are opened, so that the cast hole part falls off the casting cavity, then the valve below is closed, the valve above is opened, the driving part above the cooling assembly (300) drives the ejection assembly (500) to work, and the ejection assembly (500) ejects the cast piece out of the lower die cavity (110).