CN219236033U

CN219236033U - Roller injection molding tool

Info

Publication number: CN219236033U
Application number: CN202223564902.7U
Authority: CN
Inventors: 王安邦
Original assignee: Ningbo Bangli Plastic Manufacturing Co ltd
Current assignee: Ningbo Bangli Plastic Manufacturing Co ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-06-23
Anticipated expiration: 2032-12-30

Abstract

The utility model relates to a roller injection molding tool which comprises a shell, wherein an opening is formed in the lower half of one side of the shell, a plurality of fixing columns are fixedly connected to the inner wall of the shell, one ends of the fixing columns are fixedly connected with a die body together, a forming groove is formed in the inner bottom wall of the die body, one side of the shell is fixedly connected with a supporting plate, the top of the supporting plate is fixedly connected with a motor, the output end of the motor is in transmission connection with a screw rod, the screw rod rotates to penetrate through the shell, two sections of threads with opposite rotation directions are formed in the outer peripheral surface of the screw rod, screw blocks are connected to the two sections of threads on the outer peripheral surface of the screw rod in a threaded manner, a connecting rod is fixedly connected to one side of the screw blocks, and one end, away from the screw blocks, of the connecting rod is fixedly connected with a bottom plate. The utility model relates to the technical field of injection molding tools. According to the utility model, an operator is not required to manually take and place the material, the automatic sliding degree of taking the material after injection molding of the roller is improved, and the labor intensity of the operator is reduced.

Description

Roller injection molding tool

Technical Field

The utility model relates to the technical field of injection molding tools, in particular to a roller injection molding tool.

Background

Injection molding is a method for producing and shaping industrial products. Products are generally molded using rubber and plastic. Injection molding can also be divided into injection molding compression molding and die casting. Injection molding machines are the primary molding equipment for producing plastic articles of various shapes from thermoplastic or thermoset materials using plastic molding dies, with injection molding being accomplished by injection molding machines and dies.

After the roller is subjected to injection molding, the uniform cylindrical product is taken out in a tool mode and is taken out manually, and the manual taking out mode has low efficiency, high labor cost, unsafe and unstable and is eliminated gradually; the tool taking out mode is safe, stable and high in efficiency, however, the traditional tool taking out mode also needs to detach the upper die and manually take out the jacked roller products, then place and collect the jacked roller products, the degree of automation is to be improved, and the labor intensity of operators is improved.

Disclosure of Invention

According to the defects existing in the prior art, the utility model aims to provide the roller injection molding tool which has the effects of improving the automatic material taking degree and reducing the labor intensity of operators.

The technical aim of the utility model is realized by the following technical scheme:

the utility model provides a gyro wheel frock of moulding plastics, includes the casing that one side lower half opening set up, shells inner wall fixedly connected with a plurality of fixed column, the common fixedly connected with mould body of a plurality of fixed column one end, the shaping groove has been seted up to the interior bottom wall of mould body, casing one side fixedly connected with backup pad, backup pad top fixedly connected with motor, motor output transmission is connected with the lead screw, the lead screw rotates and passes the casing, the lead screw outer peripheral face is equipped with two sections screw threads opposite in the direction, just equal threaded connection in lead screw outer peripheral face two sections screw thread department has the screw shell, screw shell one side fixedly connected with connecting rod, the connecting rod is kept away from the one end fixedly connected with bottom plate of screw shell, the bottom plate slip passes the mould body extends to in the shaping groove, the collecting box that the roof opening set up has been placed to the position that the casing lower half corresponds the mould body.

The present utility model may be further configured in a preferred example to: the die comprises a die body, and is characterized in that two top shells are fixedly connected to the top of the die body, a fixed rod is fixedly connected to the inside of the top shells, gears are sleeved on the outer peripheral surface of the fixed rod in a rotating mode, a first straight rack and a second straight rack are arranged in the top shells, the first straight rack and the second straight rack are meshed with the corresponding gears, the first straight rack and the second straight rack are respectively located on two opposite sides of the gears, a limiting assembly is arranged in the top shells, springs are fixedly connected between the top of the second straight rack and the inner top wall of the top shells, vertical rods are fixedly connected to the bottom of the second straight rack, top grooves are formed in positions of the top of the die body, the top grooves are communicated with the forming grooves, pushing plates are fixedly connected to the bottom ends of the vertical rods, and are slidably connected to the corresponding top grooves, and linkage assemblies are arranged in the shells.

The present utility model may be further configured in a preferred example to: the linkage assembly comprises a connecting rope fixedly connected to the top of the first straight rack, a through hole is formed in the top of the top shell at the position right above the first straight rack, the connecting rope penetrates through the corresponding through hole, a linkage plate is arranged in the shell at the position corresponding to the connecting rod, one end, away from the first straight rack, of the connecting rope is fixedly connected with the linkage plate, and a connecting part is arranged between the linkage plate and the inner wall of the shell.

The present utility model may be further configured in a preferred example to: the connecting portion comprises a sliding sleeve fixedly connected to the inner wall of the shell, a sleeve rod is connected in the sliding sleeve in a sliding mode, the sleeve rod part extends to the outside of the sliding sleeve, and one end, far away from the sliding sleeve, of the sleeve rod is fixedly connected with the corresponding linkage plate.

The present utility model may be further configured in a preferred example to: the limiting assembly comprises four limiting strips, the four limiting strips are respectively and fixedly connected to two opposite side walls of the first straight rack and the second straight rack, limiting grooves are formed in positions, corresponding to the limiting strips, of the inner wall of the top shell, and the limiting strips are partially and slidably connected in the corresponding limiting grooves.

In summary, the present utility model includes at least one of the following beneficial technical effects:

1. through the cooperation of motor, lead screw, connecting rod, bottom plate and spiral shell piece, motor work can drive two bottom plates reverse motion to make shaping groove lower half unblock, make the fashioned gyro wheel can directly drop in the collecting box, no longer need the manual material of getting of operating personnel and place, improved the automatic degree of sliding of getting after the gyro wheel is moulded plastics, reduced operating personnel's intensity of labour.

2. Through connecting rope, gear, first straight rack, the cooperation of second straight rack, push pedal and spring, two bottom plates break away from behind the shaping groove, connecting rod and linkage board contact, drive and connect rope and first straight rack motion, the motion of pushing plate downward movement promotion gyro wheel product is driven from the container, prevents gyro wheel product and shaping inslot wall adhesion, has improved the extracting effect that the gyro wheel was moulded plastics.

Drawings

FIG. 1 is a schematic view of the overall structure of the present embodiment;

fig. 2 is an enlarged view of fig. 1 at a of the present embodiment;

FIG. 3 is a three-dimensional cross-sectional view of the top shell in this embodiment;

fig. 4 is an upper sectional view of the present embodiment.

In the figure, 1, a shell; 2. a die body; 3. a forming groove; 4. a motor; 5. a screw rod; 6. a screw block; 7. a connecting rod; 8. a bottom plate; 9. a collection box; 10. a top shell; 11. a fixed rod; 12. a gear; 13. a first straight rack; 14. a second spur rack; 15. a limit component; 151. a limit bar; 152. a limit groove; 16. a vertical rod; 17. a top groove; 18. a push plate; 19. a linkage assembly; 191. a connecting rope; 192. a through hole; 193. a linkage plate; 194. a connection part; 195. a sliding sleeve; 196. a loop bar; 20. and (3) a spring.

Detailed Description

The present utility model will be described in further detail with reference to the accompanying drawings.

Examples:

referring to fig. 1 to 4, the roller injection molding tool disclosed by the utility model comprises a shell 1 with an opening at the lower half of one side. The inner wall of the shell 1 is fixedly connected with a plurality of fixing columns, and one ends of the fixing columns are fixedly connected with the die body 2. The inner bottom wall of the die body 2 is provided with a forming groove 3. The upper half of the die body 2 is fixedly provided with a feed pipe in a penetrating way for adding thermoplastic plastics into the forming groove 3.

One side of the shell 1 is fixedly connected with a supporting plate, and the top of the supporting plate is fixedly connected with a motor 4. The output end of the motor 4 is in transmission connection with a lead screw 5, and the lead screw 5 rotates to penetrate through the shell 1. The outer peripheral surface of the screw rod 5 is provided with two sections of threads with opposite screwing directions, screw blocks 6 are connected at the two sections of threads on the outer peripheral surface of the screw rod 5 in a threaded manner, and the movement directions of the two screw blocks 6 are opposite when the screw rod 5 rotates.

One side of the screw block 6 is fixedly connected with a connecting rod 7, and the connecting rod 7 is L-shaped. One end of the connecting rod 7, which is far away from the screw block 6, is fixedly connected with a bottom plate 8, and the bottom plate 8 slides through the die body 2 and extends into the forming groove 3. The bottom plate 8 can only move horizontally, so that the screw block 6 does not rotate with the screw 5.

In the initial state, the two bottom plates 8 are attached, and the thermoplastic is positioned in the forming groove 3 above the bottom plates 8. The collecting box 9 that open-top set up has been placed to the position of casing 1 lower half corresponding mould body 2, and when two bottom plates 8 reverse motion break away from shaping groove 3, the gyro wheel product can drop in the collecting box 9. Since the rollers are uniformly cylindrical instead of being bulged centrally, the roller products can be discharged from the bottom of the forming tank 3.

The motor 4 works to drive the screw rod 5 to rotate, the screw rod 5 rotates to drive the two screw blocks 6 to reversely move, the screw blocks 6 drive the connecting rod 7 to move, the connecting rod 7 drives the bottom plate 8 to move, and therefore the lower half part of the forming groove 3 is not blocked, and the roller can fall into the collecting box 9.

The top of the die body 2 is fixedly connected with two top shells 10, a fixed rod 11 is fixedly connected in the top shells 10, and a gear 12 is sleeved on the outer peripheral surface of the fixed rod 11 in a rotating mode. The top shell 10 is internally provided with a first straight rack 13 and a second straight rack 14, the first straight rack 13 and the second straight rack 14 are meshed with the corresponding gear 12, and the first straight rack 13 and the second straight rack 14 are respectively positioned on two opposite sides of the gear 12, so that the first straight rack 13 and the second straight rack 14 move reversely when the gear 12 rotates.

A limiting assembly 15 is arranged in the top shell 10. The limiting assembly 15 comprises four limiting bars 151, and the four limiting bars 151 are respectively and fixedly connected to two opposite side walls of the first straight rack 13 and the second straight rack 14. The inner wall of the top shell 10 is provided with a limit groove 152 at a position corresponding to the limit groove 151, and a part of the limit groove 151 is slidably connected in the corresponding limit groove 152. The limiting groove 152 limits the movement direction of the limiting bar 151, so that the first and

second racks

13 and 14 can move only vertically.

A spring 20 is fixedly connected between the top of the second straight rack 14 and the inner top wall of the top shell 10. The bottom of the second straight rack 14 is fixedly connected with a vertical rod 16, a top groove 17 is formed in the top of the die body 2 and corresponds to the position of the vertical rod 16, and the top groove 17 is communicated with the forming groove 3. The bottom end of the vertical rod 16 is fixedly connected with a push plate 18, and the push plate 18 is slidably connected in the corresponding top groove 17. When the spring 20 is in a natural state, the bottom of the push plate 18 is coplanar with the inner top wall of the forming groove 3.

A linkage assembly 19 is disposed within the housing 1. The linkage assembly 19 comprises a connecting rope 191 fixedly connected to the top of the first straight rack 13, a through hole 192 is formed in the top of the top shell 10 right above the first straight rack 13, and the connecting rope 191 penetrates through the corresponding through hole 192. A linkage plate 193 is arranged in the shell 1 corresponding to the connecting rod 7, and one end of the connecting rope 191 far away from the first straight rack 13 is fixedly connected with the linkage plate 193.

When the bottom plate 8 is completely separated from the forming groove 3, the connecting rod 7 is fitted with the corresponding link plate 193. The motor 4 continues to work to drive the connecting rod 7 to continue to move, the linkage plate 193 is pushed to move, the linkage plate 193 drives the connecting rope 191 to move, the connecting rope 191 pulls the first straight rack 13 to move upwards, the first straight rack 13 drives the gear 12 to rotate, the gear 12 drives the second straight rack 14 to move downwards, the spring 20 is lengthened, the second straight rack 14 drives the vertical rod 16 and the baffle to move downwards, the baffle pushes the roller product to move downwards, and the roller product is prevented from being adhered to the inner wall of the forming groove 3. The bottom plate 8 does not completely separate from the mould body 2 during this process.

A connecting part 194 is arranged between the linkage plate 193 and the inner wall of the shell 1, and the connecting part 194 comprises a sliding sleeve 195 fixedly connected to the inner wall of the shell 1. A sleeve rod 196 is slidably coupled to the sliding sleeve 195, a portion of the sleeve rod 196 extending outside the sliding sleeve 195, and an end of the sleeve rod 196 remote from the corresponding sliding sleeve 195 is fixedly coupled to the corresponding linkage plate 193. When the linkage plate 193 moves, the sleeve rod 196 is driven to slide in the sliding sleeve 195, so that the movement direction of the linkage plate 193 is limited, and the linkage plate 193 can only move horizontally.

The implementation principle of the embodiment is as follows:

after the thermoplastic plastic is added into the forming groove 3 through the feeding pipe and is subjected to roller forming, the motor 4 is started, the motor 4 works to drive the screw rod 5 to rotate, the screw rod 5 rotates to drive the two screw blocks 6 to move reversely, the screw blocks 6 drive the connecting rod 7 to move, the connecting rod 7 drives the two bottom plates 8 to move reversely until the bottom plates 8 are completely separated from the forming groove 3, the lower half of the forming groove 3 is not blocked, and at the moment, the connecting rod 7 is attached to the corresponding linkage plate 193. The motor 4 continues to work to drive the connecting rod 7 to continue to move and push the linkage plate 193 to move, the linkage plate 193 drives the connecting rope 191 to move, the connecting rope 191 pulls the first straight rack 13 to move upwards, the first straight rack 13 drives the gear 12 to rotate, the gear 12 drives the second straight rack 14 to move downwards, the spring 20 is lengthened, the second straight rack 14 drives the vertical rod 16 and the baffle to move downwards, and the baffle pushes the roller product to move downwards, so that the roller product falls into the collecting box 9.

And then the motor 4 rotates reversely to drive the bottom plate 8 to restore to the original position, and the second straight rack 14, the push plate 18, the connecting rope 191 and the linkage plate 193 restore to the original position under the restoring force of the spring 20.

The embodiments of the present utility model are all preferred embodiments of the present utility model, and are not intended to limit the scope of the present utility model in this way, therefore: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims

1. The utility model provides a gyro wheel frock of moulding plastics, includes casing (1) that one side lower half opening set up, casing (1) inner wall fixedly connected with a plurality of fixed column, the common fixedly connected with mould body (2) of a plurality of fixed column one end, its characterized in that: the forming groove (3) has been seted up to bottom wall in mould body (2), casing (1) one side fixedly connected with backup pad, backup pad top fixedly connected with motor (4), motor (4) output transmission is connected with lead screw (5), lead screw (5) rotate and pass casing (1), lead screw (5) outer peripheral face is equipped with two sections screw threads opposite in the direction, just equal threaded connection in lead screw (5) outer peripheral face two sections screw thread department has screw block (6), screw block (6) one side fixedly connected with connecting rod (7), connecting rod (7) are kept away from screw block (6) one end fixedly connected with bottom plate (8), bottom plate (8) slip pass mould body (2) and extend to in forming groove (3), collecting box (9) that the open-top set up have been placed to the position of casing (1) lower half corresponding mould body (2).

2. The roller injection molding tool according to claim 1, wherein: two top shells (10) are fixedly connected with at mould body (2) top, fixedly connected with dead lever (11) in top shell (10), dead lever (11) outer peripheral face rotates the cover and is equipped with gear (12), be provided with first straight rack (13) and second straight rack (14) in top shell (10), first straight rack (13) with second straight rack (14) all with correspond gear (12) meshes mutually, just first straight rack (13) with second straight rack (14) are located respectively gear (12) opposite both sides, be provided with spacing subassembly (15) in top shell (10), second straight rack (14) top with fixedly connected with spring (20) between top wall in top shell (10), second straight rack (14) bottom fixedly connected with montant (16), mould body (2) top corresponds the position of second straight rack (14) has seted up roof groove (17), roof groove (17) with gear (12) opposite sides, be provided with in the roof groove (17) between the roof wall in top (10) top wall, push pedal (18) are connected with in the shaping groove (18) respectively.

3. The roller injection molding tool according to claim 2, wherein: the linkage assembly (19) comprises a connecting rope (191) fixedly connected to the top of the first straight rack (13), a through hole (192) is formed in the top of the top shell (10) and located right above the first straight rack (13), the connecting rope (191) penetrates through the corresponding through hole (192), a linkage plate (193) is arranged in the shell (1) at a position corresponding to the connecting rod (7), one end, away from the first straight rack (13), of the connecting rope (191) is fixedly connected with the linkage plate (193), and a connecting portion (194) is arranged between the linkage plate (193) and the inner wall of the shell (1).

4. A roller injection molding tool according to claim 3, wherein: the connecting portion (194) comprises a sliding sleeve (195) fixedly connected to the inner wall of the shell (1), a sleeve rod (196) is connected in the sliding sleeve (195), the sleeve rod (196) partially extends to the outside of the sliding sleeve (195), and one end, far away from the sliding sleeve (195), of the sleeve rod (196) is fixedly connected with the corresponding linkage plate (193).

5. The roller injection molding tool according to claim 2, wherein: the limiting assembly (15) comprises four limiting strips (151), the four limiting strips (151) are respectively and fixedly connected to two opposite side walls of the first straight rack (13) and the second straight rack (14), limiting grooves (152) are formed in positions, corresponding to the limiting strips (151), of the inner wall of the top shell (10), and the limiting strips (151) are partially and slidably connected in the corresponding limiting grooves (152).