CN221365681U - Injection machine for skeleton oil seal - Google Patents

Abstract

The utility model discloses an injection machine for a framework oil seal, which comprises a workbench, wherein a lower die holder is integrally arranged at the top of the workbench; an automatic mold stripping mechanism is arranged in the middle of the inner side of the lower mold base, and the automatic mold stripping mechanism automatically ejects the formed oil seal in a transmission mode of a bevel gear connecting component; an inner cavity is symmetrically arranged on the inner side of the lower die holder, an auxiliary die stripping mechanism is arranged in the inner cavity, and the auxiliary die stripping mechanism accelerates the separation of the oil seal and the die cavity in a knocking way; the left side and the right side of the lower die holder are provided with resistance reducing mechanisms, the resistance reducing mechanisms lubricate the die cavity in an oil extrusion mode, and resistance of direct separation of the die cavity and the oil seal is reduced. This injection machine for skeleton oil blanket is to oil blanket automatic demolding through the vertical slip of drawing of patterns pole, and through striking and lubricated mode when the demolding, reduces the resistance when the demolding, improves the efficiency and the quality of demolding.

Description

Injection machine for skeleton oil seal

Technical Field

The utility model relates to the technical field related to framework oil seal processing equipment, in particular to an injection machine for a framework oil seal.

Background

The oil seal is a common name of a common sealing element, namely, the sealing of lubricating oil in short, and is a mechanical element for sealing grease (oil is the most common liquid substance in a transmission system and also refers to the meaning of the common liquid substance in general), the mechanical element isolates the part to be lubricated in the transmission part from the output part, so that the lubricating oil is not leaked, the static sealing and the dynamic sealing (generally reciprocating motion) are used as the sealing element for sealing, the oil seal is generally made of rubber, and for framework oil seal products with complex structures in the sealing field, due to different matching interfaces of engines, the shape can be greatly different, and a rubber injection machine is gradually applied to processing equipment in the sealing field:

In the hot runner injection mold for rubber skeleton oil seal disclosed in the publication No. CN215359655U, when the mold is opened, the demolding of the oil seal product is realized without adding auxiliary tools on equipment, and only the mold structure is optimized; the injection plate assembly is responsible for draining sizing materials to the runner plate; an automatic ejection structure is formed by an ejection block, an inner hexagonal shaft shoulder screw and a strong spring in the runner plate assembly, so that the oil seal is separated from the runner plate assembly through the elasticity of the strong spring when the mold is opened; the demolding rod and the demolding sleeve form a demolding hoisting mechanism, the demolding hoisting mechanism is connected with the injection plate and the runner plate assembly, and the runner plate can be successfully separated from the injection plate according to self gravity during mold opening, and the separation distance is determined by the demolding rod and the demolding sleeve; the lower template is mainly used for positioning the framework and the oil seal cavity of the forming part;

However, the above scheme has the following problems when in use: the material gets into the die cavity after cooling shaping, then through the combination of spring and stripper plate, is ejecting in the skeleton oil blanket is direct follow die cavity, and the drawing of patterns pole is sectional type nevertheless, and then the thrust of every drawing of patterns pole easily appears the difference when making the drawing of patterns to influence the quality of drawing of patterns, and the model is when the drawing of patterns, and the oil blanket is glued closely with the die cavity contact part, and direct rigid promotion easily produces great frictional resistance, thereby also can influence the efficiency of drawing of patterns.

So we propose an injector for skeleton oil seal in order to solve the above mentioned problems.

Disclosure of utility model

The utility model aims to provide an injection machine for a framework oil seal, which is used for solving the problems that the existing injection machine for the framework oil seal in the market in the prior art is used for solving the problems that materials enter a die cavity and are cooled and formed, then the framework oil seal is directly ejected out of the die cavity through the combination of a spring and a stripper plate, the stripper rods are segmented, the pushing force of each stripper rod is easy to be different during demolding, the demolding quality is affected, the contact part of the oil seal and the die cavity is tightly adhered during demolding, and large friction resistance is easy to be generated during direct rigid pushing, so that the demolding efficiency is also affected.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the injection machine for the framework oil seal comprises a workbench, wherein a lower die holder is integrally arranged at the top of the workbench, a die cavity is arranged at the top of the lower die holder, electric push rods are arranged at two sides of the top of the workbench, and a top frame is fixed at the top of the electric push rods;

Further comprises: the top of the top frame is provided with an injector body, the bottom of the injector body is connected with an injection head, the bottom of the injection head is communicated with a conveying channel, and the conveying channel is connected with the bottom of the upper die holder in a penetrating way;

The bottom of the left side and the right side of the upper die holder are symmetrically fixed with pull ropes, the bottoms of the pull ropes are connected with cross rods, the cross rods symmetrically penetrate through bearings and are connected to the left side and the right side of the lower die holder, an automatic die stripping mechanism is arranged in the middle of the inner side of the lower die holder, and meanwhile the automatic die stripping mechanism automatically ejects a formed oil seal in a transmission mode of a bevel gear connecting assembly;

An inner cavity is symmetrically arranged on the inner side of the lower die holder, an auxiliary die stripping mechanism is arranged in the inner cavity, and the auxiliary die stripping mechanism accelerates the separation of the oil seal and the die cavity in a knocking way;

the left side and the right side of the lower die holder are provided with resistance reducing mechanisms, the resistance reducing mechanisms lubricate the die cavity in an oil extrusion mode, and resistance of direct separation of the die cavity and the oil seal is reduced.

Preferably, a torsion spring is arranged between the cross rod and the lower die holder, the inner side end part of the cross rod is connected with the rotating rod through a ratchet assembly, a cross rod bearing is connected to the inside of the lower die holder, and the automatic mold stripping mechanism consists of the rotating rod, a reciprocating screw rod and a mold stripping plate.

Preferably, the rotary rod is provided with bevel gear connecting pieces at equal intervals, the rotary rod drives the reciprocating screw rod to rotate through the bevel gear connecting pieces, the reciprocating screw rod is connected with the inside of the lower die holder through equidistant bearings, the reciprocating screw rod is connected with a stripper plate through threads, and meanwhile the stripper plate is arranged at the bottom of the inner side of the die cavity in a penetrating and laminating mode.

Preferably, the resistance reducing mechanism is composed of a sliding rod, a spring, a first magnetic block and a second magnetic block, the sliding rod penetrates through the inner cavity and is connected in a sliding manner, and the spring is connected between the sliding rod and the inner cavity.

Preferably, the bottom of the sliding rod is fixedly provided with a first magnetic block, the first magnetic block is intermittently overlapped with a second magnetic block, the second magnetic block is fixed outside the rotating rod at equal angles, and the sliding rod forms an elastic knocking mechanism through a spring, the first magnetic block and the second magnetic block.

Preferably, the resistance reducing mechanism is composed of an upright post, a groove and an oil bag, wherein the upright post is symmetrically fixed at the bottom of the upper die holder, the upright post and the groove are correspondingly arranged, and the groove is symmetrically arranged at the top of the lower die holder.

Preferably, an oil bag is arranged in the groove, an outlet of the oil bag is communicated with the side wall of the die cavity, and the upright post is in extrusion contact with the oil bag.

Compared with the prior art, the utility model has the beneficial effects that:

1. According to the injection machine for the framework oil seal, after the transverse rod is driven to rotate through the set stay cord, the transverse rod drives the rotating rod to synchronously rotate through the ratchet assembly, the rotating rod drives the reciprocating screw rod to rotate through the bevel gear connecting piece after rotating, the reciprocating screw rod drives the stripper plate to move after rotating, and then the formed oil seal is automatically ejected out;

2. according to the injection machine for the framework oil seal, when the top frame moves upwards, the transverse rod is driven to rotate through the torsion spring, the ratchet wheel component at the moment is in an engaged state and drives the rotary rod to rotate, the torsion spring is reversed, the rotary rod drives the reciprocating screw rod to rotate once, the stripper plate moves up and down once, when the top frame moves downwards, the pull rope is loosened, the torsion spring drives the transverse rod to rotate, and the ratchet wheel component at the moment is in a non-engaged state, so that the reciprocating screw rod does not rotate;

3. according to the injection machine for the framework oil seal, when the arranged rotating rod rotates, the second magnetic block is driven to synchronously rotate, the second magnetic block intermittently approaches to the first magnetic block after rotating, then the sliding rod is driven to move downwards under the action of attractive force, and then the spring is compressed, and when the second magnetic block is misplaced with the first magnetic block, the spring drives the sliding rod to reset, so that the inner cavity is impacted;

4. According to the injection machine for the framework oil seal, through the arranged inner cavity, the distance between the framework oil seal and the die cavity is relatively small, so that the force in the inner cavity is conveniently transmitted to the die cavity, and vibration is transmitted to the die cavity, so that the separation of the formed oil seal and the die cavity can be accelerated;

5. This injection machine for skeleton oil blanket can extrude the oil pocket through the stand and the recess butt joint that set up to make on the lubricating liquid injection die cavity inner wall in the oil pocket, when the later stage demolding, resistance when can further reduce the demolding improves demolding efficiency.

Drawings

FIG. 1 is a schematic diagram of the overall front cross-section structure of the present utility model;

FIG. 2 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;

FIG. 3 is an enlarged schematic view of the structure of FIG. 1B according to the present utility model;

FIG. 4 is a schematic diagram of a connecting side cross-section of a rotating rod and a reciprocating screw rod of the utility model;

FIG. 5 is a schematic diagram of a side view of the distribution of the sliding rod, the first magnetic block and the second magnetic block;

fig. 6 is an enlarged view of the structure of fig. 1 at C according to the present utility model.

In the figure: 1. a work table; 2. a lower die holder; 3. a mold cavity; 4. an electric push rod; 5. a top frame; 6. an upper die holder; 7. an injector body; 8. an injection head; 9. a conveying channel; 10. a pull rope; 11. a cross bar; 12. a torsion spring; 13. a ratchet assembly; 14. a rotating rod; 15. a reciprocating screw rod; 16. removing the template; 17. an inner cavity; 18. a slide bar; 19. a spring; 20. a first magnetic block; 21. a second magnetic block; 22. a column; 23. a groove; 24. an oil bag.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Embodiment one:

referring to fig. 1-6, the present utility model provides a technical solution: the utility model provides an injection machine for skeleton oil blanket, including workstation 1, and the top integral type of workstation 1 is provided with die holder 2, and the top of die holder 2 is provided with die cavity 3, and workstation 1 top both sides are provided with electric putter 4, the top of electric putter 4 is fixed with roof-rack 5 simultaneously, the top of roof-rack 5 is provided with syringe body 7, and the bottom of syringe body 7 is connected with injection head 8, and the bottom intercommunication of injection head 8 has transfer passage 9, and transfer passage 9 runs through and connects in the bottom of upper die holder 6, upper die holder 6 left and right sides bottom symmetry is fixed with stay cord 10, and the bottom of stay cord 10 is connected with horizontal pole 11, and horizontal pole 11 symmetry runs through the bearing and connects in the left and right sides of die holder 2, and the inboard middle part of die holder 2 is provided with automatic demolding mechanism, automatic demolding mechanism carries out automatic ejecting to fashioned oil blanket through the mode of bevel connection subassembly transmission simultaneously, the torsion spring 12 is arranged between the cross rod 11 and the lower die holder 2, the inner end part of the cross rod 11 is connected with the rotary rod 14 through the ratchet wheel component 13, the cross rod 11 is connected in the lower die holder 2 through a bearing, and the automatic mold unloading mechanism consists of the rotary rod 14, the reciprocating screw rod 15 and the mold release plate 16, as shown in figures 1-4, when in use, the electric push rod 4 drives the top frame 5 to move downwards, so that the upper die holder 6 is closed with the lower die holder 2 at the top of the workbench 1, then the injector body 7 injects liquid rubber into the injector head 8, the injector head 8 injects the liquid rubber into the die cavity 3 through the conveying channel 9, so that a framework oil seal is processed, and when the electric push rod 4 drives the top frame 5 to move upwards, the upper die holder 6 is separated from the lower die holder 2, the top frame 5 pulls the pull rope 10, the pull rope 10 drives the cross rod 11 to rotate, the torsion spring 12 is further reversed, the transverse rod 11 drives the rotary rod 14 to rotate through the ratchet assembly 13 after rotating, the rotary rod 14 drives the reciprocating screw rod 15 to rotate through the bevel gear connecting piece after rotating, the reciprocating screw rod 15 drives the stripper plate 16 to move after rotating, the molded oil seal is automatically ejected out, the reciprocating screw rod 15 rotates once, and the stripper plate 16 moves up and down once, so that the stripper plate 16 is automatically reset after being used, and the next use is facilitated;

Embodiment two: the first difference between this embodiment and the first embodiment is that the demolding efficiency is improved by knocking during demolding, which is specifically as follows:

The inner side of the lower die holder 2 is symmetrically provided with an inner cavity 17, an auxiliary die-discharging mechanism is arranged in the inner cavity 17, the auxiliary die-discharging mechanism accelerates the separation of an oil seal and a die cavity 3 in a knocking way, a bevel gear connecting piece is arranged on the rotary rod 14 at equal intervals, the rotary rod 14 drives the reciprocating screw rod 15 to rotate through the bevel gear connecting piece, the reciprocating screw rod 15 is connected to the inner side of the lower die holder 2 through an equidistant bearing, the reciprocating screw rod 15 is in threaded connection with a stripper plate 16, meanwhile, the drag reducing mechanism is formed by a slide rod 18, a spring 19, a first magnetic block 20 and a second magnetic block 21 in a penetrating and attaching way, the slide rod 18 penetrates through the inner cavity 17 and is connected with the inner cavity 17 in a sliding way, the spring 19 is connected between the slide rod 18 and the inner cavity 17, the bottom of the slide rod 18 is fixedly provided with the first magnetic block 20, the first magnetic block 20 is intermittently overlapped with the second magnetic block 21, the second magnetic block 21 is fixedly arranged on the outer side of the rotary rod 14, the reciprocating screw rod 15 is connected with the inner side of the reciprocating screw rod through the spring 19 at equal intervals, the first magnetic block 20 and the second magnetic block 21 in an equal angle, the reciprocating screw rod 15 is in a threaded way, the stripper plate 16 is connected to the inner side of the reciprocating screw rod 15, meanwhile, the drag reducing mechanism penetrates through the inner side of the die cavity 3, and is arranged at the inner side of the die cavity 3, the inner side of the inner cavity 3 is formed by the inner cavity 21, the inner cavity 21 is formed by the sliding the second magnetic block 21 and the second magnetic block 21 is driven by the second magnetic block 21 and then rotates the second magnetic block 21 and the second magnetic block 19 and rotates the second magnetic block 19 and the magnetic block 19;

Embodiment III: compared with the second embodiment, the present embodiment further provides a mechanism for reducing resistance, and further improves the demolding quality, specifically as follows:

The left side and the right side of the lower die holder 2 are provided with resistance reducing mechanisms, the die cavity 3 is lubricated by the resistance reducing mechanisms in an oil discharging extrusion mode, resistance of direct separation of the die cavity 3 and an oil seal is reduced, the resistance reducing mechanisms are composed of upright posts 22, grooves 23 and oil bags 24, the upright posts 22 are symmetrically fixed at the bottom of the upper die holder 6, the upright posts 22 and the grooves 23 are correspondingly arranged, the grooves 23 are symmetrically arranged at the top of the lower die holder 2, the oil bags 24 are arranged in the grooves 23 in an internally mounted mode, the outlet of the oil bags 24 are communicated with the side wall of the die cavity 3, the upright posts 22 are in extrusion contact with the oil bags 24, when the upper die holder 6 is closed with the lower die holder 2, the upright posts 22 are spliced with the grooves 23, the oil bags 24 in the grooves 23 are extruded, and lubricating oil in the oil bags 24 is injected onto the inner wall of the die cavity 3, so that resistance between the oil seal and the inner wall of the die cavity 3 is convenient to discharge, and efficiency and quality of the die are improved when the die is discharged.

What is not described in detail in this specification is prior art known to those skilled in the art.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims (7)

1. The utility model provides an injection machine for skeleton oil blanket, includes workstation (1), and the top integral type of workstation (1) is provided with die holder (2), and the top of die holder (2) is provided with die cavity (3), and the both sides of workstation (1) top are provided with electric putter (4), and the top of electric putter (4) is fixed with roof-rack (5) simultaneously;

The method is characterized in that: further comprises:

The top of the top frame (5) is provided with an injector body (7), the bottom of the injector body (7) is connected with an injection head (8), the bottom of the injection head (8) is communicated with a conveying channel (9), and the conveying channel (9) is connected to the bottom of the upper die holder (6) in a penetrating way;

Pull ropes (10) are symmetrically fixed at the bottoms of the left side and the right side of the upper die holder (6), the bottoms of the pull ropes (10) are connected with cross rods (11), the cross rods (11) symmetrically penetrate through bearings and are connected to the left side and the right side of the lower die holder (2), an automatic die stripping mechanism is arranged in the middle of the inner side of the lower die holder (2), and meanwhile the automatic die stripping mechanism automatically ejects a formed oil seal in a transmission mode of a bevel gear connecting assembly;

An inner cavity (17) is symmetrically arranged on the inner side of the lower die holder (2), an auxiliary die stripping mechanism is arranged in the inner cavity (17), and the separation of the oil seal and the die cavity (3) is accelerated by the auxiliary die stripping mechanism in a knocking mode;

The left side and the right side of the lower die holder (2) are provided with resistance reducing mechanisms, the resistance reducing mechanisms lubricate the die cavity (3) in an oil discharging extrusion mode, and resistance of direct separation of the die cavity (3) and the oil seal is reduced.

2. The injector for a skeletal oil seal of claim 1, wherein: a torsion spring (12) is arranged between the cross rod (11) and the lower die holder (2), the inner side end part of the cross rod (11) is connected with a rotating rod (14) through a ratchet assembly (13), the cross rod (11) is connected with the inside of the lower die holder (2) through a bearing, and the automatic mold unloading mechanism consists of the rotating rod (14), a reciprocating screw rod (15) and a mold unloading plate (16).

3. The injector for a skeletal oil seal of claim 2, wherein: the rotary rod (14) is provided with conical tooth connecting pieces at equal intervals, the rotary rod (14) drives the reciprocating screw rod (15) to rotate through the conical tooth connecting pieces, the reciprocating screw rod (15) is connected to the inside of the lower die holder (2) through equidistant bearings, the reciprocating screw rod (15) is connected with a stripper plate (16) through threads, and meanwhile the stripper plate is arranged at the bottom of the inner side of the die cavity (3) in a penetrating and laminating mode.

4. A syringe for a skeletal oil seal as defined in claim 3, wherein: the resistance reducing mechanism is composed of a sliding rod (18), a spring (19), a first magnetic block (20) and a second magnetic block (21), the sliding rod (18) is connected in the inner cavity (17) in a penetrating and sliding mode, the spring (19) is connected between the sliding rod (18) and the inner cavity (17), the first magnetic block (20) is fixed at the bottom of the sliding rod (18), the first magnetic block (20) is intermittently overlapped with the second magnetic block (21), and the second magnetic block (21) is fixed outside the rotating rod (14) at equal angles.

5. The injector for a skeletal oil seal of claim 4, wherein: the magnetic poles of the first magnetic block (20) and the second magnetic block (21) are opposite, and the sliding rod (18) forms an elastic knocking mechanism through the spring (19), the first magnetic block (20) and the second magnetic block (21).

6. The injector for a skeletal oil seal of claim 1, wherein: the resistance reducing mechanism is composed of an upright post (22), a groove (23) and an oil bag (24), the upright post (22) is symmetrically fixed at the bottom of the upper die holder (6), the upright post (22) and the groove (23) are correspondingly arranged, the groove (23) is symmetrically arranged at the top of the lower die holder (2), and the oil bag (24) is arranged in the groove (23).

7. The injector for a skeletal oil seal of claim 6, wherein: the outlet of the oil bag (24) is communicated with the side wall of the die cavity (3), and the upright post (22) is in extrusion contact with the oil bag (24).