CN222372185U - One-cavity multimode injection mold for sailing boat cup handles - Google Patents

Abstract

The utility model relates to a one-cavity multi-mold injection mold for a sailing cup handle, comprising an upper fixed plate, a fixed plate, a movable plate, two mold feet, two top plates, a plurality of ejectors, and a lower fixed plate. The movable plate is provided with a plurality of first molding areas and a feeding channel, the first molding area is used to mold a handle body, the feeding channel is connected to a plurality of first molding areas respectively, the movable plate is provided with a plurality of first slide grooves, a plurality of the first slide grooves are connected to a plurality of first molding areas respectively, a molding rod is slidably connected in each of the plurality of the first slide grooves, the molding rod is used to mold two mounting holes on the same handle body, and a plurality of driving parts are also provided on the movable plate, the driving parts are used to drive the molding rod to move. The utility model has the characteristic of high molding efficiency of the handle body.

Description

One-cavity multimode injection mold for sailing boat cup handles

Technical Field

The utility model relates to the field of molds, in particular to a sailing boat cup handle one-cavity multi-mold injection mold.

Background

The sailing cup handle is shown in fig. 10, and comprises a handle body 9, wherein the handle body 9 comprises a handle part 91 and two connecting parts 92, each connecting part 92 is provided with a mounting hole 93, and after the handle body 9 is formed, a forming mechanism for forming the mounting holes 93 in a die is positioned in the two mounting holes 93, so that the demolding of the handle body 9 is affected.

Disclosure of utility model

The application provides a sailing boat cup handle one-cavity multi-mold injection mold, which effectively solves the problem of demolding of a handle body.

The application provides a sailing boat cup handle one-cavity multi-mold injection mold, which adopts the following technical scheme:

The utility model provides a sailing boat cup handle one-cavity multimode injection mold, includes fixed plate, fixed die plate, movable mould board, two mould feet, two roof, a plurality of thimble, lower fixed plate, be equipped with first shaping chamber and the feed channel that is used for shaping a plurality of handle bodies on the movable mould board, the feed channel communicates a plurality of first shaping chambers respectively, a plurality of first spouts have been seted up on the movable mould board, a plurality of first spout communicates a plurality of first shaping regions respectively, a plurality of all slide in the first spout and be connected with the shaping pole, the shaping pole is used for two mounting holes on the same handle body of shaping, still is equipped with a plurality of drive division on the movable mould board, the drive division is used for driving the shaping pole motion.

By adopting the technical scheme, when the die is assembled, the plurality of forming rods simultaneously form the plurality of mounting holes. After the die is opened after the injection molding of the die is completed, the driving parts control the forming rods to move, so that the forming rods move to separate from two forming holes on the same handle body, the forming rods cannot contact with the handle bodies, and the formed handle bodies can be ejected out of the die smoothly by the ejector pins.

Preferably, the driving part comprises a sliding block connected to the movable template in a sliding manner and an ejector rod arranged on the fixed template, a plurality of forming rods are respectively arranged on the sliding blocks, insertion holes for the ejector rod to be inserted are formed in the sliding blocks, and the distance from each insertion hole to the adjacent first forming cavity is gradually increased from the top end of each insertion hole to the bottom end of each insertion hole.

Through adopting above-mentioned technical scheme, when the mould die sinking, the movable mould board can be kept away from the fixed mould board under the drive of injection molding machine, and the ejector pin will be kept away from to relative slider, and under the effect of ejector pin, the power of fixed mould board motion can be changed into the power of slider motion and make the slider motion and drive the shaping pole motion and keep away from the handle body to finally make the shaping pole deviate from in two mounting holes.

Preferably, the movable mould plate is provided with a plurality of second sliding grooves, a plurality of sliding blocks are connected in the second sliding grooves in a sliding way, the bottom surfaces of the second sliding grooves are provided with fixing holes, the fixing holes are provided with fixing seats, the fixing seats are provided with first sliding holes, the top wall of each first sliding hole is provided with a second sliding hole, the second sliding holes are connected with inserting blocks in a sliding way, the bottoms of the inserting blocks are provided with annular baffle plates, the annular baffle plates are connected in the first sliding holes in a sliding way, springs are arranged in the first sliding holes, one ends of the springs are propped against the bottom surfaces of the first sliding holes, the other ends of the springs are propped against the bottom ends of the annular baffle plates, A plurality of first slots and second slots for inserting the top end of the inserting block are formed in the bottom surface of the sliding block, the second slots are located on one side, away from the adjacent first forming area, of the first slots, the second sliding holes are located on the moving paths of the adjacent first slots and second slots respectively, when the die is in a complete die opening state, the first slots are communicated with the second sliding holes respectively, the springs are used for propping the top ends of the inserting blocks in the first slots, when the die is in a die closing state, the second slots are communicated with the second sliding holes respectively, and the springs are used for propping the top ends of the inserting blocks in the second slots.

Through adopting above-mentioned technical scheme, the cooperation through inserted block and first slot and kicking block carries out spacingly to the position of slider when the mould compound die for the inserted bar can move the preset position, thereby ensure the shaping of mounting hole, the cooperation through second slot and kicking block is prescribe a limit to the position of slider when the mould die sinking, makes in the mould compound die in-process ejector pin can be accurate insert the jack.

Preferably, a plurality of first inclined planes are all seted up along the axis direction of adjacent jack on the one end that adjacent first shaping district was kept away from to the slider, set up a plurality of holding tanks that are used for holding the slider on the fixed die plate, set up the second inclined plane that is used for laminating mutually with first inclined plane on the lateral wall of holding tank, a plurality of the ejector pin is located a plurality of holding tanks respectively, a plurality of the bottom of ejector pin all stretches out corresponding holding tank, and during the mould compound die, a plurality of the slider is located a plurality of holding tanks respectively, a plurality of first inclined plane laminating a plurality of second inclined planes respectively.

Through adopting above-mentioned technical scheme, offer the holding tank and first inclined plane can play limiting displacement with a plurality of ejector pins together to the slider when mould compound die is moulded plastics, prevent because the emergence of slider motion rollback phenomenon that injection pressure brought to the shaping of guaranteeing a plurality of mounting holes is complete.

Preferably, the first forming area comprises a first forming cavity for forming the handle part and two second forming cavities for forming the two handle parts, the two first forming cavities are respectively communicated with the first forming cavities, and the feeding channel is respectively communicated with one of the second forming cavities in the plurality of first forming areas.

By adopting the technical scheme, the glue inlet of the first cavity is close to the two second molding cavities, so that the plastic injected into the two second molding cavities has enough injection pressure and pressure maintaining pressure, and the injection quality of the two connecting parts is ensured.

Preferably, the connection parts of the feeding channel and the second molding cavities are provided with stop blocks, and a pressurizing channel is formed between the stop blocks and the fixed die plate when the die is assembled.

Through adopting above-mentioned technical scheme, thereby the setting of pressurization passageway can promote filling pressure and pressurize pressure when plastics are filled to can promote the injection molding efficiency of product and the injection molding quality of product. The setting of pressurization passageway also can reduce the handle body and the area of being connected of waste material of moulding plastics, makes things convenient for the later stage to prune the handle body from the waste material of moulding plastics.

Preferably, the feeding channel comprises a first channel and a plurality of second channels, wherein the first channel is communicated with the plurality of second channels, two ends of the plurality of second channels are respectively communicated with second molding cavities in different first molding areas, the middle parts of the plurality of second channels are respectively provided with a third channel, the plurality of third channels are respectively communicated with the first channel, and the channel openings of the plurality of third channels are respectively opposite to the channel openings of the first channels.

Through adopting above-mentioned technical scheme, set up the cold charge in the third passageway and detain the packing plastics to guarantee to be used for packing the plastics in first shaping chamber and the second packing chamber and have higher temperature, thereby guarantee the mobility of plastics, make the shaping handle body that plastics can be better, appearance defects such as flow marks appear on this surface of handle after the prevention shaping.

Preferably, a plurality of cold material holes are formed in the second channels, a plurality of cold material holes are located between the third channels and the first channels, a plurality of pull rods are arranged in the cold material holes, and the bottoms of the pull rods are fixed on the top plate.

Through adopting above-mentioned technical scheme, the setting in cold material cave can be detained more cold materials to further guarantee the surface quality after the shaping of handle body.

Preferably, the movable mould plate is provided with a mounting groove, a forming insert is arranged in the mounting groove, and a plurality of first sliding grooves, a plurality of first forming areas and a feeding channel are all positioned on the forming insert.

By adopting the technical scheme, the processing of structures such as the first sliding groove is facilitated, the production speed of the die is improved, and the maintenance of the die at the later stage is also facilitated.

Preferably, the forming insert is provided with a plurality of limiting blocks, the limiting blocks are respectively located between two adjacent second forming cavities, through holes are respectively formed in the limiting blocks along the length direction of the first sliding grooves, the through holes are respectively communicated with the first sliding grooves, and the forming rods are slidably connected in the through holes.

Through adopting above-mentioned technical scheme, the setting of stopper can play the restriction effect to the direction of motion of a plurality of shaping poles, breaks away from first spout in the prevention shaping pole motion process.

The technical effects of the utility model are mainly as follows:

1. According to the utility model, the mold opening force of the mold is converted into the movement force of the forming rod through the cooperation of the ejector rod and the sliding block, so that the forming rod can be pulled out from the mounting hole after the mold is opened;

2. The utility model sets the third channel and the cold material cavity to ensure that the plastic used for filling the first forming cavity and the second filling cavity has higher temperature, so that the plastic can better form the handle body,

3. The utility model sets up a plurality of limited blocks to further limit the motion direction of the forming rod, and prevents the forming rod from separating from the first chute in the motion process.

Drawings

Fig. 1 is a schematic structural view of the mold of the present application.

Fig. 2 is a schematic structural view of the movable mold plate, the mold base, the top plate, the mold base, and the lower fixing plate in fig. 1.

Fig. 3 is a schematic view of the structure of the upper and fixed platens in fig. 1.

Fig. 4 is a schematic view of the movable die plate in fig. 1.

Fig. 5 is a schematic view of the structure of the slider in fig. 2.

Fig. 6 is a partial enlarged view at a in fig. 2.

Fig. 7 is a cross-sectional view of the mold of fig. 1 taken along line B-B.

Fig. 8 is a partial enlarged view at C in fig. 7.

Fig. 9 is a schematic structural view of the fixing base in fig. 8.

Fig. 10 is a schematic structural view of the handle body.

The reference numerals are 11, an upper fixed plate, 12, a fixed plate, 121, a containing groove, 122, a second inclined surface, 13, a movable plate, 131, a second sliding groove, 132, a fixing hole, 133, a mounting groove, 14, a die leg, 15, a top plate, 16, a thimble, 17, a lower fixed plate, 2, a forming insert, 21, a first sliding groove, 22, a forming rod, 3, a first forming area, 31, a first forming cavity, 32, a second forming cavity, 4, a feeding channel, 41, a first channel, 42, a second channel, 43, a third channel, 44, a cold material hole, 5, a driving part, 51, a sliding block, 511, a jack, 512, a first slot, 513, a second slot, 514, a first inclined surface, 52, a top rod, 6, a stop, 61, a pressurizing channel, 7, a limiting block, 71, a through hole, 8, a fixing seat, 81, a first sliding hole, 82, a second sliding hole, 83, an inserting block, 84, an annular baffle, 85, a spring, 9, a lifting handle, 91, a third channel, 92, a connecting part, and 93.

Detailed Description

The present application will be further described in detail below with reference to the accompanying drawings, so that the technical solution of the present application can be more easily understood and grasped.

Referring to fig. 1, 2, 4 and 6, a sailing cup handle one-cavity multi-mold injection mold of the present embodiment includes an upper fixed plate 11, a fixed mold plate 12, a movable mold plate 13, two mold legs 14, two top plates 15, a plurality of ejector pins 16, and a lower fixed plate 17. Wherein the fixed die plate 12 is fixed on the upper fixed plate 11, two die legs 14 are fixed on the movable die plate 13, and the movable die plate 13 is fixed on the two die legs 14. The movable mould plate 13 is provided with a mounting groove 133, a forming insert 2 is arranged in the mounting groove 133, eight first forming areas 3 and a feeding channel 4 are arranged on the forming insert 2, and one first forming area 3 is used for forming a handle body 9. The two top plates 15 are positioned between the movable mould plate 13 and the lower fixed plate 17, the bottom ends of the plurality of ejector pins 16 are fixed on one top plate 15, and the top ends of the plurality of ejector pins 16 are positioned in the eight first forming areas 3.

In fig. 1, 2 and 6, the first molding zone 3 includes a first molding cavity 31 for molding the handle portion 91, and two second molding cavities 32 for molding the connecting portion 92, the two second molding cavities 32 being respectively communicated with the first molding cavity 31. The feeding channel 4 comprises a first channel 41 and four second channels 42, the first channel 41 is communicated with the four second channels 42, two ends of the four second channels 42 are respectively communicated with the second molding cavities 32 in different first molding areas 3, the connection parts of the four second channels 42 and the eight second molding cavities 32 are respectively fixed with a stop block 6, and a pressurizing channel 61 is formed between a plurality of stop blocks 6 and the fixed template 12 during mold closing.

In fig. 1, 2 and 6, the third channels 43 are all opened in the middle parts of the four second channels 42, the four third channels 43 are all communicated with the first channel 41, and the channel openings of the four third channels 43 are all opposite to the channel openings of the first channel 41. The four second channels 42 are provided with cold material holes 44, the four cold material holes 44 are located between the four third channels 43 and the first channels 41, and pull rods are arranged in the four cold material holes 44, and the bottoms of the pull rods are fixed on the top plate 15.

In fig. 1, 2 and 6, eight first sliding grooves 21 are formed in the forming insert 2 along the direction perpendicular to the die opening direction of the die, wherein four first sliding grooves 21 are located on one side of the forming insert 2, the other four first sliding grooves 21 are located on the other side of the forming insert 2, and two first sliding grooves 21 which are oppositely arranged are communicated with each other. The eight first sliding grooves 21 are respectively communicated with two second molding cavities 32 in the same first molding zone 3. The eight first sliding grooves 21 are slidably connected with forming rods 22 along the length direction of the first sliding grooves 21, and the forming rods 22 are used for forming two mounting holes 93 on the same handle body 9. Eight limiting blocks 7 are fixed on the forming insert 2, the eight limiting blocks 7 are respectively located between the two second forming cavities 32 of the same first forming area 3, through holes 71 are formed in the eight limiting blocks 7 along the length direction of the first sliding grooves 21, the eight through holes 71 are respectively communicated with the eight first sliding grooves 21, and the eight forming rods 22 are slidably connected in the eight through holes 71.

In fig. 1-5, four second sliding grooves 131 are formed in the movable mold plate 13, and driving portions 5 are respectively arranged in the four second sliding grooves 131, wherein the driving portions 5 are used for driving the forming rods 22 to move. The driving part 5 includes a slider 51 slidably coupled to the second slide groove 131 in the longitudinal direction of the first slide groove 21, and a jack 52 fixed to the stationary platen 12. Wherein two adjacent molding bars 22 are fixed on the same sliding block 51, a jack 511 for inserting a push rod 52 is arranged on the sliding block 51, and the distance from the jack 511 to the adjacent first molding zone 3 is gradually increased from the top end of the jack 511 to the bottom end of the jack 511.

In fig. 1-5, a first inclined surface 514 is formed on one end of each of the four sliding blocks 51 far away from the adjacent first forming area 3 along the axial direction of the adjacent insertion hole 511, four accommodating grooves 121 for accommodating the sliding blocks 51 are formed on the fixed die plate 12, second inclined surfaces 122 for being attached to the first inclined surfaces 514 are formed on the side walls of the accommodating grooves 121, the four ejector rods 52 are respectively fixed in the four accommodating grooves 121, the bottom ends of the four ejector rods 52 extend out of the corresponding accommodating grooves 121, when the dies are assembled, the four sliding blocks 51 are respectively located in the four accommodating grooves 121, and the four first inclined surfaces 514 are respectively attached to the four second inclined surfaces 122.

In fig. 1, 7-9, fixing holes 132 are formed in the bottom surfaces of the four second sliding grooves 131 along the die opening direction of the die, fixing seats 8 are arranged in the four fixing holes 132, threaded holes are formed in the fixing seats 8, and the fixing seats 8 are fixed in the fixing holes 132 through bolts. The fixing seat 8 is provided with a first sliding hole 81, the top wall of the first sliding hole 81 is provided with a second sliding hole 82, and the diameter of the second sliding hole 82 is smaller than that of the first sliding hole 81. The second slide hole 82 is connected with an insert block 83 in a sliding manner along the mold opening direction of the mold, an annular baffle 84 is fixed at the bottom of the insert block 83, the diameter of the annular baffle 84 is larger than that of the second slide hole 82, and the annular baffle 84 is connected in the second slide hole 82 in a sliding manner along the mold opening direction of the mold. The bottom surfaces of the four sliding blocks 51 are respectively provided with a first slot 512 and a second slot 513 for inserting the top ends of the inserting blocks 83, the second slot 513 is positioned at one side of the first slot 512 far away from the adjacent first forming area 3, and the four second sliding holes 82 are respectively positioned on the moving paths of the adjacent first slot 512 and second slot 513.

In fig. 1, fig. 7-fig. 9, a spring 85 is disposed in the first sliding hole 81, one end of the spring 85 abuts against the bottom surface of the first sliding hole 81, the other end abuts against the bottom end of the annular baffle 84, when the mold is in a fully opened state, the four first slots 512 are respectively communicated with the four second sliding holes 82, the four springs 85 press the top ends of the four insert blocks 83 into the plurality of first slots 512, when the mold is in a closed state, the plurality of second slots 513 are respectively communicated with the four second sliding holes 82, and the four springs 85 press the top ends of the four insert blocks 83 into the four second slots 513.

The injection molding process of the mold of the application is as follows.

The mold is in the mold opening state at the beginning, at this time, the four second slots 513 are respectively connected to the four second sliding holes 82, and the four springs 85 press the four annular baffles 84 against the top wall of the first sliding hole 81, so that the top ends of the four ejector rods 52 are respectively inserted into the four second slots 513.

When the mold is closed, the injection molding machine controls the movable mold plate 13 to move towards the fixed mold plate 12, in the process, four ejector rods 52 are inserted into four insertion holes 511 and push four sliding blocks 51 to move towards the molding insert 2, in the process of moving the four sliding blocks 51, eight molding rods 22 are driven to move, meanwhile, four insertion blocks 83 are pressed into the second sliding holes 82, and four springs 85 are compressed under stress.

When the final mold is completely closed, the four sliding blocks 51 are located in the four accommodating grooves 121, the four first inclined surfaces 514 are attached to the four second inclined surfaces 122, the four first inserting grooves 512 are aligned with the four second sliding holes 82, the four springs 85 press the four annular baffles 84 against the top walls of the first sliding holes 81, the top ends of the four ejector rods 52 are respectively inserted into the four first inserting grooves 512, and one end of the eight forming rods 22, which is far away from the corresponding sliding blocks 51, passes through the eight through holes 71 and moves to a preset position. After the die is completely closed, the injection molding machine injects hot melt plastics into the first molding area 3 through the first channel 41 and the four second channels 42.

After the handle body 9 is subjected to injection molding and cooling, the injection molding machine controls the movable mold plate 13 to be far away from the fixed mold plate 12, under the action of the ejector rods 52, the force of the movement of the fixed mold plate 12 is converted into the force of the movement of the four sliding blocks 51, so that the four sliding blocks 51 move to drive the eight forming rods 22 to move away from the eight handle bodies 9, and finally the eight forming rods 22 are separated from sixteen mounting holes 93 of the eight handle bodies 9, and the top ends of the four ejector rods 52 are inserted into four first slots 512.

Then the injection molding machine controls the two top plates 15 to move towards the movable mould plate 13, and the two top plates 15 can drive the ejector pins 16 and the pull rods to move when moving, so that eight handle bodies 9 and injection molding waste materials are ejected out of the molding insert 2, and the production demoulding of a group of handle bodies 9 is completed.

Of course, the above is only a typical example of the application, and other embodiments of the application are also possible, and all technical solutions formed by equivalent substitution or equivalent transformation fall within the scope of the application claimed.

Claims (10)

1. The utility model provides a sailing boat cup handle one-cavity multimode injection mold, includes fixed plate (11), fixed die plate (12), movable mould board (13), two mould feet (14), two roof (15), a plurality of thimble (16), lower fixed plate (17), a plurality of first shaping district (3) and feed channel (4) have been seted up on movable mould board (13), first shaping district (3) are used for shaping handle body (9), feed channel (4) communicate a plurality of first shaping district (3) respectively, wherein, a plurality of first spout (21) have been seted up on movable mould board (13), a plurality of first spout (21) communicate a plurality of first shaping district (3) respectively, a plurality of all slide in first spout (21) and be connected with shaping pole (22), two mounting holes (93) on shaping pole (22) are used for shaping same handle body (9), still be equipped with a plurality of drive division (5) on movable mould board (13), drive division (5) are used for driving shaping pole (22) motion.

2. The sailing cup handle one-cavity multi-mold injection mold according to claim 1, wherein the driving part (5) comprises a sliding block (51) connected to the movable mold plate (13) in a sliding manner, a push rod (52) arranged on the fixed mold plate (12), a plurality of molding rods (22) are respectively arranged on the sliding blocks (51), inserting holes (511) for inserting the push rod (52) are formed in the sliding blocks (51), and the distance from each inserting hole (511) to the adjacent first molding region (3) is gradually increased from the top end of each inserting hole (511) to the bottom end of each inserting hole (511).

3. The sailing boat cup handle one-cavity multi-mold injection mold according to claim 2, wherein a plurality of second sliding grooves (131) are formed in the movable mold plate (13), a plurality of sliding blocks (51) are connected in the plurality of second sliding grooves (131) in a sliding manner, fixing holes (132) are formed in the bottom surfaces of the plurality of second sliding grooves (131), fixing seats (8) are formed in the plurality of fixing holes (132), first sliding holes (81) are formed in the fixing seats (8), second sliding holes (82) are formed in the top wall of the first sliding holes (81), inserting blocks (83) are connected in the sliding manner in the second sliding holes (82), annular baffle plates (84) are arranged at the bottoms of the inserting blocks (83), springs (85) are arranged in the first sliding holes (81) in a sliding manner, one ends of the springs (85) abut against the bottom surfaces of the first sliding holes (81), the other ends abut against the bottom surfaces of the annular baffle plates (84), inserting blocks (513) are inserted into the first inserting blocks (513) which are located on the bottom surfaces of the first sliding blocks (51) and are located far away from the first inserting grooves (512) which are formed in the first inserting blocks (512), the second slide holes (82) are respectively located on the moving paths of the adjacent first slots (512) and second slots (513), when the die is in a completely die-opening state, the first slots (512) are respectively communicated with the second slide holes (82), the springs (85) are used for propping the tops of the inserting blocks (83) into the first slots (512), when the die is in a die-closing state, the second slots (513) are respectively communicated with the second slide holes (82), and the springs (85) are used for propping the tops of the inserting blocks (83) into the second slots (513).

4. The one-cavity multi-die injection die for the sailing cup handle according to claim 2, wherein a plurality of sliding blocks (51) are far away from one end of an adjacent first forming area (3), a first inclined surface (514) is formed along the axial direction of an adjacent jack (511), a plurality of accommodating grooves (121) for accommodating the sliding blocks (51) are formed in the fixed die plate (12), a second inclined surface (122) for being attached to the first inclined surface (514) is formed in the side wall of the accommodating groove (121), a plurality of ejector rods (52) are respectively located in the accommodating grooves (121), the bottom ends of the ejector rods (52) are respectively extended out of the corresponding accommodating grooves (121), a plurality of sliding blocks (51) are respectively located in the accommodating grooves (121), and a plurality of the first inclined surfaces (514) are respectively attached to the second inclined surfaces (122) when the die is assembled.

5. The sailing cup handle one-cavity multi-mold injection mold according to claim 1, wherein the first molding area (3) comprises a first molding cavity (31) for molding the handle part (91) and two second molding cavities (32) for molding the connecting part (92), the two second molding cavities (32) are respectively communicated with the first molding cavities (31), and the feeding channel (4) is respectively communicated with one of the second molding cavities (32) in the plurality of first molding areas (3).

6. The sailing cup handle one-cavity multi-mold injection mold according to claim 5, wherein the connection parts of the feeding channel (4) and the second molding cavities (32) are respectively provided with a stop block (6), and a pressurizing channel (61) is formed between the stop blocks (6) and the fixed mold plate (12) when the mold is closed.

7. The sailing boat cup handle one-cavity multi-mold injection mold according to claim 5, wherein the feeding channel (4) comprises a first channel (41) and a plurality of second channels (42), the first channels (41) are all communicated with the plurality of second channels (42), two ends of the plurality of second channels (42) are respectively communicated with the second molding cavities (32) in different first molding areas (3), third channels (43) are respectively arranged in the middle of the plurality of second channels (42), the plurality of third channels (43) are all communicated with the first channels (41), and channel openings of the plurality of third channels (43) are arranged opposite to channel openings of the first channels (41).

8. The one-cavity multi-mold injection mold for a sailing cup handle according to claim 7, wherein a plurality of cold material cavities (44) are formed in the second channels (42), the cold material cavities (44) are located between the third channels (43) and the first channels (41), pull rods are arranged in the cold material cavities (44), and the bottoms of the pull rods are fixed on the top plate (15).

9. The sailing boat cup handle one-cavity multi-mold injection mold of claim 5, wherein the movable mold plate (13) is provided with a mounting groove (133), the mounting groove (133) is internally provided with a molding insert (2), and the plurality of first sliding grooves (21), the plurality of first molding areas (3) and the feeding channel (4) are all positioned on the molding insert (2).

10. The sailing boat cup handle one-cavity multi-mold injection mold according to claim 9, wherein a plurality of limiting blocks (7) are arranged on the molding insert (2), the limiting blocks (7) are respectively positioned between two adjacent second molding cavities (32), through holes (71) are respectively formed in the limiting blocks (7) along the length direction of the first sliding grooves (21), the through holes (71) are respectively communicated with the first sliding grooves (21), and the molding rods (22) are slidably connected in the through holes (71).