CN216230491U

CN216230491U - Dumbbell mould

Info

Publication number: CN216230491U
Application number: CN202122376391.5U
Authority: CN
Inventors: 马晓龙; 冯建军
Original assignee: Nantong Kylin Machinery Ltd
Current assignee: Nantong Kylin Machinery Ltd
Priority date: 2021-09-29
Filing date: 2021-09-29
Publication date: 2022-04-08
Anticipated expiration: 2031-09-29

Abstract

The utility model discloses a dumbbell mould, which relates to the technical field of moulds and comprises a base, an upper mould and a lower mould, wherein the inner part of the lower mould is rotatably connected with a second rotating shaft, one end of the second rotating shaft is fixedly connected with a second bevel gear, the inner part of the lower mould is provided with a first groove, the inner side of the lower mould is provided with a second groove, the inner side of the first groove is rotatably connected with a third rotating shaft, and the outer side of the third rotating shaft is fixedly provided with a transmission gear. And ejecting the formed workpiece for a certain distance, thereby being convenient for taking out the workpiece.

Description

Dumbbell mould

Technical Field

The utility model relates to the technical field of dies, in particular to a dumbbell die.

Background

Dumbbells are a simple device used for strengthening muscle strength training. The dumbbell is held by a hand, resistance active movement can be performed by using the weight of the dumbbell, the muscle strength is trained, injection molding is also called injection molding, the dumbbell is a molding method of injection and molding, and a mold is required in the injection molding process in the production and processing of the dumbbell under wide application, so that the dumbbell can be processed into a dumbbell shape.

But current mould practicality is lower, is not convenient for take out the machined part that the processing was accomplished to the leakproofness between upper and lower mould is relatively poor, and the pressure of material when can't guaranteeing to mould plastics, thereby influences the processingquality of dumbbell.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a dumbbell mould, which solves the problems in the background technology.

In order to achieve the purpose, the utility model is realized by the following technical scheme: the utility model provides a dumbbell mould, includes base, upper die and bed die, the inside rotation of bed die is connected with the pivot No. two, No. two bevel gear of one end fixedly connected with of pivot No. two, a recess has been seted up to the inside of bed die, No. two recesses have been seted up to the inside of bed die, the inboard rotation of a recess is connected with the pivot No. three, the outside fixed mounting of pivot No. three has drive gear, the inboard of a recess is provided with the roof, one side of roof is provided with the rack, the drive gear is connected with the rack toothing, the outside of pivot No. three and the inside fixed mounting that is located No. two recesses have bevel gear No. four, bevel gear No. four is connected with the bevel gear toothing of No. two.

Preferably, the inside fixed mounting of base has the motor, pivot of output fixedly connected with of motor, the outside fixed mounting of pivot has a belt pulley No. one, the outside of a belt pulley is provided with the connection belt.

Preferably, the base upper surface fixed mounting has the guide rail, a spout has been seted up to one side of guide rail, the inboard of a spout rotates and is connected with the lead screw, the outside fixed mounting of lead screw has a bevel gear, the one end fixed mounting of lead screw has No. two belt pulleys, No. two belt pulleys are connected with a belt pulley transmission through connecting the belt.

Preferably, one end of the second rotating shaft is fixedly provided with a third bevel gear, the third bevel gear is meshed with the first bevel gear, the upper surface of the lower die is provided with a positioning block, and the outer sides of the lower die and the upper die are both provided with a second sliding groove.

Preferably, the two sides of the upper die are fixedly provided with a sliding block, the sliding block is connected with a sliding groove in a sliding mode, the sliding block is connected with a screw rod in a threaded mode, a handle cavity, a ball head cavity, an exhaust hole and a flow channel are arranged in the upper die and the lower die, the upper surface of the upper die is close to four corners, positioning holes are formed in the positions, the positioning holes are matched with the positioning blocks, and an injection molding opening is formed in the upper surface of the upper die.

Preferably, No. three spouts have been seted up to the inboard of a recess, one side fixed mounting of roof has No. three sliders, No. three sliders and No. three spout sliding connection.

Preferably, the outer sides of the upper die and the lower die are fixedly provided with supporting plates, one side of each supporting plate is fixedly connected with an expansion spring, one end of each expansion spring is fixedly connected with a sealing plate, one side of each sealing plate is fixedly provided with a second sliding block, and the second sliding block is connected with a second sliding groove in a sliding mode.

The utility model provides a dumbbell mould which has the following beneficial effects:

1. this dumbbell mould, motor through setting up, can control a pivot and rotate, thereby it rotates to drive the lead screw through connecting the belt, thereby control a slider and slide in spout inboard No. one, and then realized reciprocating of last mould, when the lead screw pivoted, utilize under bevel gear and No. three bevel gear's meshing connection effect, drive No. two pivots and rotate, and under No. two bevel gear and No. four bevel gear's meshing connection effect, control No. three pivots and rotate, and then control the drive gear in No. three pivot outsides and rotate, under the meshing connection effect through driving gear and rack, the removal of roof has been realized, and then in the die sinking process, ejecting certain distance with the machined part that has finished shaping, thereby be convenient for take out the machined part, the practicality of device has been improved.

2. This dumbbell mould receives expanding spring's elasticity through two closing plates that set up to extrude each other, thereby can improve the leakproofness in space between mould and the bed die, the pressure of material when guaranteeing to mould plastics has improved the processingquality of this mould.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a bottom view of the upper mold of the present invention;

FIG. 3 is a cross-sectional view of the lower mold of the present invention;

FIG. 4 is a top view of the upper mold of the present invention;

FIG. 5 is an enlarged view taken at A of FIG. 1 in accordance with the present invention;

FIG. 6 is an enlarged view of the utility model at B in FIG. 1.

In the figure: 1. a base; 101. a motor; 102. a first rotating shaft; 103. a first belt pulley; 104. connecting a belt; 2. a guide rail; 201. a first chute; 202. a screw rod; 203. a first bevel gear; 204. a second belt pulley; 3. a lower die; 301. a second rotating shaft; 302. a second bevel gear; 303. a third bevel gear; 304. positioning blocks; 305. a second chute; 4. an upper die; 401. a first sliding block; 402. a handle cavity; 403. positioning holes; 404. a flow channel; 405. an exhaust hole; 406. a ball head cavity; 407. an injection molding port; 5. a first groove; 501. a third rotating shaft; 502. a transmission gear; 503. a third sliding chute; 504. a top plate; 505. a rack; 506. a third sliding block; 507. a second groove; 508. a fourth bevel gear; 6. a support plate; 601. a tension spring; 602. a sealing plate; 603. and a second sliding block.

Detailed Description

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 only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1 to 6, the present invention provides a technical solution: a dumbbell mould comprises a base 1, an upper mould 4 and a lower mould 3, wherein a motor 101 is fixedly arranged in the base 1, the output end of the motor 101 is fixedly connected with a first rotating shaft 102, a first belt pulley 103 is fixedly arranged on the outer side of the first rotating shaft 102, a connecting belt 104 is arranged on the outer side of the first belt pulley 103, a guide rail 2 is fixedly arranged on the upper surface of the base 1, a first chute 201 is arranged on one side of the guide rail 2, a lead screw 202 is rotatably connected with the inner side of the first chute 201, a first bevel gear 203 is fixedly arranged on the outer side of the lead screw 202, a second belt pulley 204 is fixedly arranged at one end of the lead screw 202, the second belt pulley 204 is in transmission connection with the first belt pulley 103 through the connecting belt 104, a second rotating shaft 301 is rotatably connected in the lower mould 3, a second bevel gear 302 is fixedly connected at one end of the second rotating shaft 301, and a third bevel gear 303 is fixedly arranged at one end of the second rotating shaft 301, the third bevel gear 303 is meshed with the first bevel gear 203, the upper surface of the lower die 3 is provided with a positioning block 304, the outer sides of the lower die 3 and the upper die 4 are respectively provided with a second sliding groove 305, both sides of the upper die 4 are respectively fixedly provided with a first sliding block 401, the first sliding block 401 is slidably connected with the first sliding groove 201, the first sliding block 401 is in threaded connection with the screw rod 202, the inner parts of the upper die 4 and the lower die 3 are respectively provided with a handle cavity 402, a ball head cavity 406, an exhaust hole 405 and a flow passage 404, the exhaust hole 405 is communicated with the outside, air in the ball head cavity 406 can be exhausted through the exhaust hole 405, the upper surface of the upper die 4 is provided with positioning holes 403 near four corners, the positioning holes 403 are matched with the positioning block 304, the upper die and the lower die can be effectively limited, the upper die and the lower die are prevented from position deviation, the upper surface of the upper die 4 is provided with an injection port 407, the inner part of the lower die 3 is provided with a first groove 5, the inner part of the lower die 3 is provided with a second groove 507, the inner side of the first groove 5 is rotatably connected with a third rotating shaft 501, the outer side of the third rotating shaft 501 is fixedly provided with a transmission gear 502, the inner side of the first groove 5 is provided with a top plate 504, one side of the top plate 504 is provided with a rack 505, the transmission gear 502 is meshed with the rack 505, the outer side of the third rotating shaft 501 is fixedly provided with a fourth bevel gear 508 positioned in the second groove 507, the fourth bevel gear 508 is meshed with a second bevel gear 302, the first rotating shaft 102 can be controlled to rotate through the arranged motor 101, so that the screw rod 202 is driven to rotate through the connecting belt 104, the first sliding block 401 is controlled to slide in the first sliding groove 201, the upper die 4 is further moved up and down, the screw rod 202 rotates, and the second rotating shaft 301 is driven to rotate under the meshing connection action of the first bevel gear 203 and the third bevel gear 303, and the third rotating shaft 501 is controlled to rotate under the meshing connection action of the second bevel gear 302 and the fourth bevel gear 508, so that the transmission gear 502 on the outer side of the third rotating shaft 501 is controlled to rotate, the top plate 504 is moved under the meshing connection action of the transmission gear 502 and the rack 505, and the molded workpiece is ejected out for a certain distance in the die opening process, so that the workpiece is convenient to take out, the practicability of the device is improved, a third sliding groove 503 is formed in the inner side of the first groove 5, a third sliding block 506 is fixedly installed on one side of the top plate 504, the third sliding block 506 is in sliding connection with the third sliding groove 503, a support plate 6 is fixedly installed on the outer sides of the upper die 4 and the lower die 3, an expansion spring 601 is fixedly connected to one side of the support plate 6, a sealing plate 602 is fixedly connected to one end of the expansion spring 601, and a second sliding block 603 is fixedly installed on one side of the sealing plate 602, no. two slider 603 and No. two spout 305 sliding connection receive expanding spring 601's elasticity through two closing plate 602 that set up to extrude each other, thereby can improve the leakproofness in space between last mould 4 and the lower mould 3, the pressure of material when guaranteeing to mould plastics has improved the processingquality of this mould.

In conclusion, when the dumbbell mould is used, firstly, an injection molding machine is used for injecting a molding liquid into a flow passage 404 between an upper mould 4 and a lower mould 3 through an injection molding opening 407, and finally the molding liquid is discharged into a ball head cavity 406, after the molding is finished, a first rotating shaft 102 is controlled to rotate through a starting motor 101, so that a lead screw 202 is driven to rotate through a connecting belt 104, a first sliding block 401 is controlled to slide on the inner side of a first sliding groove 201, the upper mould 4 is moved up and down, the lead screw 202 rotates, simultaneously, a second rotating shaft 301 is driven to rotate under the meshing connection action of a first bevel gear 203 and a third bevel gear 303, the third rotating shaft 501 is controlled to rotate under the meshing connection action of a second bevel gear 302 and a fourth bevel gear 508, a transmission gear 502 on the outer side of the third rotating shaft 501 is controlled to rotate, and under the meshing connection action of the transmission gear 502 and a rack 505, the movement of the top plate 504 is realized, and the formed workpiece is ejected out for a certain distance in the die opening process, so that the workpiece is convenient to take out.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a dumbbell mould, includes base (1), upper die (4) and bed die (3), its characterized in that: a second rotating shaft (301) is rotatably connected inside the lower die (3), one end of the second rotating shaft (301) is fixedly connected with a second bevel gear (302), a first groove (5) is arranged inside the lower die (3), a second groove (507) is arranged inside the lower die (3), the inner side of the first groove (5) is rotatably connected with a third rotating shaft (501), the outer side of the third rotating shaft (501) is fixedly provided with a transmission gear (502), a top plate (504) is arranged on the inner side of the first groove (5), a rack (505) is arranged on one side of the top plate (504), the transmission gear (502) is meshed with the rack (505), a fourth bevel gear (508) is fixedly arranged on the outer side of the third rotating shaft (501) and inside the second groove (507), the fourth bevel gear (508) is in meshed connection with the second bevel gear (302).

2. The dumbbell die of claim 1, wherein: the inside fixed mounting of base (1) has motor (101), pivot (102) of output fixedly connected with of motor (101), the outside fixed mounting of pivot (102) has belt pulley (103) No. one, the outside of belt pulley (103) is provided with connecting belt (104).

3. The dumbbell die of claim 1, wherein: fixed surface installs guide rail (2) on base (1), spout (201) have been seted up to one side of guide rail (2), the inboard of spout (201) is rotated and is connected with lead screw (202), the outside fixed mounting of lead screw (202) has bevel gear (203) No. one, the one end fixed mounting of lead screw (202) has No. two belt pulleys (204), No. two belt pulleys (204) are connected with a belt pulley (103) transmission through connecting belt (104).

4. The dumbbell die of claim 1, wherein: no. three bevel gears (303) are fixedly mounted at one end of the second rotating shaft (301), the third bevel gears (303) are meshed with the first bevel gears (203), positioning blocks (304) are arranged on the upper surface of the lower die (3), and No. two sliding grooves (305) are formed in the outer sides of the lower die (3) and the upper die (4).

5. The dumbbell die of claim 1, wherein: the improved injection molding die is characterized in that a sliding block (401) is fixedly mounted on two sides of the upper die (4), the sliding block (401) is connected with a sliding groove (201) in a sliding mode, the sliding block (401) is connected with a screw rod (202) in a threaded mode, a handle cavity (402), a ball head cavity (406), an exhaust hole (405) and a flow channel (404) are arranged in the upper die (4) and the lower die (3), a positioning hole (403) is formed in the position, close to four corners, of the upper surface of the upper die (4), the positioning hole (403) is matched with the positioning block (304), and an injection molding opening (407) is formed in the upper surface of the upper die (4).

6. The dumbbell die of claim 1, wherein: no. three spout (503) have been seted up to the inboard of a recess (5), one side fixed mounting of roof (504) has No. three slider (506), No. three slider (506) and No. three spout (503) sliding connection.

7. The dumbbell die of claim 1, wherein: the outer side of the upper die (4) and the outer side of the lower die (3) are fixedly provided with supporting plates (6), one side of each supporting plate (6) is fixedly connected with an expansion spring (601), one end of each expansion spring (601) is fixedly connected with a sealing plate (602), one side of each sealing plate (602) is fixedly provided with a second sliding block (603), and the second sliding block (603) is connected with a second sliding groove (305) in a sliding mode.