CN218399209U - High accuracy gear mold for manipulator - Google Patents

Abstract

The utility model discloses a high accuracy gear mould for manipulator, including the processing platform, the processing platform plays to support fixed effect in whole mould, the processing platform upper surface is equipped with the lower mould, the mould has been placed to the lower mould top, goes up mould and lower mould cooperation, directly with gear injection moulding, gear stable quality, flawless, be equipped with the diaphragm between the landing leg of processing platform, diaphragm upper surface center department is equipped with first electric jar, the piston rod upper end fixedly connected with square plate of first electric jar, the square plate upper surface evenly is equipped with a plurality of groups of drums, inject corresponding model inslot behind the drum upper end runs through the processing platform, first electric jar control drum rebound, with the gear from the model groove is automatic ejecting, the drawing of patterns time spent is few, inject in the spring case that corresponds behind the square plate, and the round bar upper end is equipped with the magnetite, the magnetite can drive the model piece through magnetic force and move down, and the mould is more practical, and economic benefits is high.

Description

High accuracy gear mold for manipulator

Technical Field

The utility model relates to a gear mould technical field specifically is a gear mould for high accuracy manipulator.

Background

When the existing small plastic gear injection mold is used for injection molding and processing a small plastic gear, the heat dissipation performance is poor, so the processing quality of the small plastic gear is influenced,

therefore, the publication No. CN213353344U discloses a small plastic gear injection mold, which comprises an upper mold plate, mounting screws, an injection port, an upper mold, a heat dissipation copper pipe, a lower mold plate, an injection inner mold, a guide pillar, an upper copper pipe main body, a lower copper pipe main body and an insertion pipe, wherein the lower mold is fixedly mounted at the upper end of the lower mold plate, the upper mold is arranged at the upper end of the lower mold, the heat dissipation copper pipe is inserted into the upper mold and the lower mold, the upper mold plate is arranged at the upper end of the upper mold, the upper mold plate and the upper mold are fixedly connected through the mounting screws, and the injection port is arranged at the upper end of the upper mold plate and at the middle position.

For the small plastic gear injection mold, the heat dissipation copper pipe is installed, so that the thermal deformation caused by too slow heat dissipation of the small plastic gear is avoided, and the injection molding precision of the small plastic gear injection mold is improved.

The following disadvantages remain: after the gear molding, the area of contact of tooth and the centre form of moulding plastics is great, and the drawing of patterns is comparatively difficult, and foretell small-size plastic gear injection mold lacks swift demoulding mechanism, and heat dissipation copper pipe is good although heat conductivility, presss from both sides between last mould and bed die during heat dissipation copper pipe, and is less with air contact surface, uses its radiating efficiency of a period and can descend, influences the cooling effect.

In view of the above, the present invention provides a gear mold for a high-precision manipulator, which is improved in view of the conventional structure and defects, and is expected to achieve the purpose of higher practical value.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high accuracy gear mould for manipulator to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: a gear mold for a high-precision manipulator comprises a processing table, wherein a lower mold is arranged on the upper surface of the processing table, a plurality of groups of mold grooves are uniformly formed in the upper surface of the lower mold, mold blocks are placed in the mold grooves, an upper mold is placed above the lower mold, a plurality of groups of mold plates are uniformly arranged on the lower surface of the upper mold, and a groove is formed in the center of the surface of each mold plate;

the upper die and the lower die are combined into a gear die, tooth grooves which are uniformly arranged are formed in the inner wall of the model groove, so that the raw materials form teeth, the teeth are arranged on the surface of the model block, the model block is conveniently clamped into the model groove, part of the model block is clamped in the tooth grooves in the model groove at the moment, the model block is prevented from rotating, the upper part of the inner wall of the model groove is smoothly arranged, and the model board is conveniently clamped into the model groove;

a transverse plate is arranged between the support legs of the machining table, a first electric cylinder is arranged at the center of the upper surface of the transverse plate, the upper end of a piston rod of the first electric cylinder is fixedly connected with a square plate, a plurality of groups of cylinders are uniformly arranged on the upper surface of the square plate, the upper ends of the cylinders penetrate through the machining table and then are inserted into corresponding model grooves, second electric cylinders are arranged on the left side and the right side of the upper surface of the machining table, and the upper ends of piston rods of the second electric cylinders are fixedly connected with an upper die through n-shaped frames;

the fixed positions of the n-shaped frame and the upper die are positioned on the central axis of the upper die, so that the upper die is more stable to move up and down;

the first electric cylinder is a driving device for demoulding, the second electric cylinder is a driving device for mould closing, the control precision of the electric cylinders is high, the sizes of the produced gears can be guaranteed to be uniform, the forming quality is improved, the maintenance of the electric cylinders is only required to be coated with lubricating grease, the electric cylinders are more convenient to use, and workers can conveniently focus attention on gear production;

the upper surface of the transverse plate is further provided with a plurality of groups of spring cylinders, round rods are connected inside the spring cylinders in a sliding mode, springs are arranged between the lower ends of the round rods and the spring cylinders, the upper ends of the round rods penetrate through the square plate and then are inserted into the corresponding spring cylinders, magnets are arranged at the upper ends of the round rods and abut against the surface of the model block, baffles abutting against the lower surface of the square plate are sleeved on the surfaces of the round rods, the round rods are connected with the square plate in a sliding mode, blocking strips integrated with the round rods are arranged at the lower ends of the round rods, the round cylinders are connected with the processing table in a sliding mode, and the diameter inside the round cylinders is larger than that of the round rods;

the size of spring case just laminates on the spring surface, avoids the spring to appear crooked condition after using for a long time, ensures to have sufficient holding power to the round bar, and the model piece adopts iron as the raw materials for the magnetite can adsorb the model piece, moves down when the round bar, and the magnetite can drive the model piece and move down.

Furthermore, a plurality of groups of feeding branch pipes are arranged on the upper surface of the upper die, the lower ends of the feeding branch pipes penetrate through the upper die and then are communicated with the grooves, and the upper ends of the feeding branch pipes are communicated with the injection molding pipe.

Furthermore, go up mould surface center department and be equipped with the locating lever, and the locating lever is in same face with the recess, the lower mould surface is equipped with the spacing groove that matches with the locating lever.

Further, the lower mould side is equipped with a plurality of groups of cooling tube, the cooling tube runs through the lower mould, and the cooling tube is located the mould groove side, the cooling tube both ends all are equipped with the water pipe, and two sets of water pipes are a set of to be used for into water, and a set of being used for goes out water, adopts the water that flows to cool off, and the cooling effect is better.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a high accuracy compound die is realized to second electric jar, ensure that the specification of gear is unified, lead to water pipe and lead to the income water in to the cooling tube, cool off to the model groove, and then accelerate gear shaping speed, shorten cooling time, improve the production efficiency of gear, water flows from another group's water pipe, can retrieve water, can not cause the water waste, realize the environmental protection production, first electric jar control drum rebound, it is automatic ejecting from the model groove with the gear, the drawing of patterns is time spent less, further reduce the time of producing the gear, and then improve economic benefits, and is more practical, direct injection moulding, the gear stable in quality, no flaw.

Drawings

Fig. 1 is a cross-sectional view of the present invention;

FIG. 2 is an enlarged schematic view of the structure of FIG. 1;

FIG. 3 is an enlarged schematic view of the structure of the present invention at B in FIG. 1;

fig. 4 is a schematic structural view of the lower die of the present invention;

fig. 5 is a schematic structural view of the upper die of the present invention;

fig. 6 is a cross-sectional view of a model block of the present invention.

In the figure: 1. a processing table; 2. a lower die; 3. a mould groove; 4. a model block; 5. an upper die; 6. a mold plate; 7. a groove; 8. injecting a tube; 9. a feeding branch pipe; 10. a second electric cylinder; 11. an n-shaped frame; 12. a transverse plate; 13. a first electric cylinder; 14. a square plate; 15. a cylinder; 16. a round bar; 17. a baffle plate; 18. a spring case; 19. a spring; 20. a magnet; 21. a cooling tube; 22. a water pipe; 23. a limiting groove; 24. and (5) positioning the rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: a gear mold for a high-precision manipulator comprises a processing table 1, wherein a lower mold 2 is arranged on the upper surface of the processing table 1, a plurality of groups of mold grooves 3 are uniformly formed in the upper surface of the lower mold 2, a mold block 4 is placed in each mold groove 3, an upper mold 5 is placed above the lower mold 2, a plurality of groups of mold plates 6 are uniformly arranged on the lower surface of the upper mold 5, and a groove 7 is formed in the center of the surface of each mold plate 6;

the machining table 1 plays a role in supporting and fixing in the whole die, the die groove 3, the die block 4 and the die plate 6 are matched with each other, and raw materials can be molded into gears in an extrusion mode, so that the gears are better in integrity and are not easy to damage in use;

a transverse plate 12 is arranged between the supporting legs of the processing table 1, a first electric cylinder 13 is arranged at the center of the upper surface of the transverse plate 12, a square plate 14 is fixedly connected to the upper end of a piston rod of the first electric cylinder 13, a plurality of groups of cylinders 15 are uniformly arranged on the upper surface of the square plate 14, and the upper ends of the cylinders 15 penetrate through the processing table 1 and then are inserted into the corresponding model grooves 3;

the transverse plate 12 plays a role in supporting and fixing the first electric cylinder 13, when the first electric cylinder 13 works, the thrust of the first electric cylinder 13 is completely acted on the square plate 14, the square plate 14 has a large area, and a plurality of groups of cylinders 15 are convenient to fix, so that the first electric cylinder 13 can control the cylinders 15 to move;

the upper surface of the transverse plate 12 is further provided with a plurality of groups of spring cylinders 18, round rods 16 are slidably connected inside the spring cylinders 18, springs 19 are arranged between the lower ends of the round rods 16 and the spring cylinders 18, the upper ends of the round rods 16 penetrate through the square plate 14 and then are inserted into the corresponding spring cylinders 18, magnets 20 are arranged at the upper ends of the round rods 16 and abut against the surface of the model block 4, and baffle plates 17 abutting against the lower surface of the square plate 14 are sleeved on the surfaces of the round rods 16;

the round rod 16 is connected with the square plate 14 in a sliding mode, and a barrier strip integrated with the round rod 16 is arranged at the lower end of the round rod 16;

the round rod 16 can move up and down in the spring cylinder 18 in a small amplitude, the length of the barrier strip is larger than the diameter of the joint of the round rod 16 and the spring cylinder 18, the round rod 16 is prevented from falling off from the spring cylinder 18, the elastic force of the spring 19 always applies upward thrust to the round rod 16, and the magnet 20 at the upper end of the round rod 16 supports the model block 4;

when the injection molding machine is specifically implemented, the upper surface of the upper die 5 is provided with a plurality of groups of feeding branch pipes 9, the lower ends of the feeding branch pipes 9 penetrate through the upper die 5 and then are communicated with the grooves 7, the upper ends of the feeding branch pipes 9 are communicated with the injection molding pipes 8, the injection molding pipes 8 are connected with external injection molding equipment, and raw materials can be injected into the mold grooves 3 through the feeding branch pipes 9.

In the specific implementation, the positioning rod 24 is arranged in the center of the surface of the upper die 5, the positioning rod 24 and the groove 7 are positioned on the same plane, and the limiting groove 23 matched with the positioning rod 24 is arranged on the surface of the lower die 2.

In the specific implementation process, the left side and the right side of the upper surface of the processing table 1 are respectively provided with a second electric cylinder 10, and the upper end of a piston rod of each second electric cylinder 10 is fixedly connected with the upper die 5 through an n-shaped frame 11.

When concrete implementation, 2 sides of lower mould are equipped with a plurality of groups of cooling tube 21, cooling tube 21 runs through lower mould 2, and cooling tube 21 is located the 3 sides of mould groove, cooling tube 21 both ends all are equipped with water pipe 22, have mobile water in the cooling tube 21, and water absorbs the heat, and then makes the temperature of mould groove 3 reduce rapidly, and the cooling effect is more high-efficient.

In practical implementation, the cylinder 15 is connected with the processing table 1 in a sliding mode, the diameter of the inside of the cylinder 15 is larger than that of the round rod 16, the cylinder 15 does not influence the movement of the round rod 16, and the working load of the first electric cylinder 13 is reduced.

The working principle is that when the device is used, external injection molding equipment is connected with an injection molding pipe 8, then the mold is closed, the mold closing is divided into two steps, in the first step, a second electric cylinder 10 is used for driving an upper mold 5 to be close to a lower mold 2 through an n-shaped frame 11, so that raw materials are conveniently injected into a mold groove 3, in the second step, the upper mold 5 is controlled through the second electric cylinder 10 again to be completely attached to the lower mold 2, at the moment, a mold plate 6 is inserted into the lower mold groove 3 to extrude the raw materials, the upper end of a mold block 4 is inserted into a groove 7 to avoid the overflow of the raw materials, then water is introduced into a cooling pipe 21 through a water pipe 22 to cool the mold groove 3 and accelerate the forming speed of the raw materials, when the raw materials form a gear, the second electric cylinder 10 controls the upper mold 5 to move upwards to be separated from the lower mold 2, and then the first electric cylinder 13 is started, the first electric cylinder 13 firstly contracts the piston rod, the piston rod drives the baffle plate 17 to move downwards through the square plate 14, the baffle plate 17 drives the round rod 16 to move, the magnet 20 at the upper end of the round rod 16 attracts the model block 4 to move downwards to carry out first-step demoulding, then the piston rod of the first electric cylinder 13 moves upwards, at the moment, the elastic force of the spring 19 pushes the round rod 16 to reset, preparation is made for next first-step demoulding, the piston rod controls the cylinder 15 to move upwards, the cylinder 15 pushes the model block 4 upwards, the model block 4 pushes the gear out of the model groove 3 to complete demoulding, then the first electric cylinder 13 resets, and the model block 4 is placed into the model groove 3 to manufacture the gear again.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. The utility model provides a high accuracy gear mould for manipulator, includes processing platform (1), its characterized in that: the processing table is characterized in that a lower die (2) is arranged on the upper surface of the processing table (1), a plurality of groups of die grooves (3) are uniformly arranged on the upper surface of the lower die (2), a die block (4) is placed inside the die grooves (3), an upper die (5) is placed above the lower die (2), a plurality of groups of die plates (6) are uniformly arranged on the lower surface of the upper die (5), grooves (7) are formed in the center of the surface of each die plate (6), transverse plates (12) are arranged between supporting legs of the processing table (1), first electric cylinders (13) are arranged in the center of the upper surface of each transverse plate (12), square plates (14) are fixedly connected to the upper ends of piston rods of the first electric cylinders (13), a plurality of groups of cylinders (15) are uniformly arranged on the upper surface of each square plate (14), the upper ends of the cylinders (15) penetrate through the processing table (1) and then penetrate into corresponding die grooves (3), a plurality of groups of spring cylinders (18) are further arranged on the upper surface of each transverse plate (12), a plurality of spring cylinders (18) are slidably connected with round rods (16), a spring rod (16) inside the spring cylinders (16), a spring rod (19) is arranged between the lower end of each round rod (16) and a magnet (20) penetrates through the upper end of each spring cylinder (16) and abuts against the corresponding to the corresponding round rod (20), the surface of the round rod (16) is sleeved with a baffle (17) which is propped against the lower surface of the square plate (14).

2. The gear mold for a high-precision manipulator according to claim 1, wherein: go up mould (5) upper surface and be equipped with a plurality of groups pay-off branch pipe (9), pay-off branch pipe (9) lower extreme runs through and goes up mould (5) back and recess (7) intercommunication, pay-off branch pipe (9) upper end and injection molding pipe (8) intercommunication.

3. The gear mold for a high precision robot hand according to claim 1, wherein: the positioning rod (24) is arranged in the center of the surface of the upper die (5), the positioning rod (24) and the groove (7) are located on the same surface, and the limiting groove (23) matched with the positioning rod (24) is formed in the surface of the lower die (2).

4. The gear mold for a high precision robot hand according to claim 1, wherein: the left side and the right side of the upper surface of the processing table (1) are respectively provided with a second electric cylinder (10), and the upper end of a piston rod of each second electric cylinder (10) is fixedly connected with the upper die (5) through an n-shaped frame (11).

5. The gear mold for a high-precision manipulator according to claim 1, wherein: the side of the lower die (2) is provided with a plurality of groups of cooling pipes (21), the cooling pipes (21) penetrate through the lower die (2), and the cooling pipes (21) are positioned on the side of the die groove (3).

6. The gear mold for a high-precision manipulator according to claim 5, wherein: and water pipes (22) are arranged at two ends of the cooling pipe (21).

7. The gear mold for a high-precision manipulator according to claim 1, wherein: round bar (16) and square board (14) sliding connection, round bar (16) lower extreme is equipped with the blend stop integrative with round bar (16).

8. The gear mold for a high precision robot hand according to claim 1, wherein: the cylinder (15) is connected with the processing table (1) in a sliding mode, and the diameter of the inside of the cylinder (15) is larger than that of the round rod (16).

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