CN212920275U

CN212920275U - Hydraulic core-pulling structure for internal thread of small knob

Info

Publication number: CN212920275U
Application number: CN202021546102.0U
Authority: CN
Inventors: 王志立
Original assignee: Suzhou Jiande Molding Co ltd
Current assignee: Suzhou Jiande Molding Co ltd
Priority date: 2020-07-29
Filing date: 2020-07-29
Publication date: 2021-04-09
Anticipated expiration: 2030-07-29

Abstract

The utility model discloses a structure of loosing core of little knob internal thread hydraulic pressure, comprises an operation bench, the middle part of operation panel upper surface is equipped with multi-functional die holder, the spout has been seted up to the equal symmetry in both sides of operation panel upper surface, sliding connection has the slider in the inner chamber of spout, the top fixedly connected with mount pad of slider, the through-hole has been seted up on the mount pad, be equipped with the core in the inner chamber of through-hole, the fixed cup joints has the fixture block on the outer wall of core, the fixture block is established with the mount pad, be equipped with the inner core in the inner chamber of core, be equipped with the shaping seat in the inner chamber of multi-functional die holder. The utility model discloses utilize the cooperation of multi-functional die holder, spout, slider, mount pad, core, fixture block, shaping seat and inner core, improved the steadiness of hydraulic stem and core junction, avoid the core to take place the breakage, utilize the cooperation of stop collar and hydraulic stem, improved the steadiness of slider and mount pad to holistic practicality has been improved.

Description

Hydraulic core-pulling structure for internal thread of small knob

Technical Field

The utility model relates to a structure field of loosing core, in particular to little knob internal thread hydraulic pressure structure of loosing core.

Background

The thread refers to a spiral line-shaped continuous convex part with a specific section manufactured on the surface of a cylindrical or conical parent body, the thread is divided into an external thread and an internal thread according to the position of the parent body, and the thread is divided into a triangular thread, a rectangular thread, a trapezoidal thread, a zigzag thread and other special-shaped threads according to the shape of the section of the parent body.

At present, the common injection mold is mostly produced by adopting one mold and multiple cavities in the working process, the piston rod of the hydraulic cylinder is clamped with the mold core in the process of extracting the mold core, but the hardness of the mold core just after molding has certain defect, so that the local stress at the joint is easy to be overlarge, the mold core at the joint with the piston rod is damaged, the product leaving the factory is not in accordance with the standard, and the factory efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a little knob internal thread hydraulic pressure structure of loosing core to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: little knob internal thread hydraulic pressure structure of loosing core, including the operation panel, the middle part fixed connection of interlude of operation panel upper surface is connected with multi-functional die holder, the spout has been seted up to the equal symmetry in both sides of operation panel upper surface, sliding connection has the slider in the inner chamber of spout, the top fixedly connected with mount pad of slider, the through-hole has been seted up on the mount pad, it is connected with the core to alternate in the inner chamber of through-hole, the fixed fixture block that has cup jointed on the outer wall of core, the fixture block is connected with the fixed interlude of mount pad, the activity interlude is connected with the inner core in the inner chamber of core, it is connected with the shaping seat to alternate in the inner chamber of multi-functional die holder, the both.

Preferably, the both sides of operation panel are equal fixedly connected with fixing base, one side fixedly connected with pneumatic cylinder of fixing base.

Preferably, the output end of the hydraulic cylinder is in transmission connection with a hydraulic rod, the outer wall of the hydraulic rod is fixedly sleeved with a limiting sleeve, and the limiting sleeve is fixedly inserted and connected with the mounting seat.

Preferably, the equal fixedly connected with guide bar in edge of operation panel upper surface, the equal activity interlude in both sides side of operation panel upper surface is connected with the limiting plate.

Preferably, the edge of the upper surface of the limiting plate is provided with a mounting hole, and the bottom of the inner wall of the mounting hole is provided with an internal thread.

Preferably, the bottom fixedly connected with backing plate of operation panel, the bottom fixedly connected with base of backing plate, the bottom of base is fixed to be cup jointed the slipmat.

The utility model discloses a technological effect and advantage:

(1) the utility model improves the stability of the connection part of the hydraulic rod and the core by utilizing the cooperation of the multifunctional lower die holder, the chute, the slide block, the mounting seat, the core, the fixture block, the forming seat and the inner core, avoids the core from being broken, and improves the stability of the slide block and the mounting seat by utilizing the cooperation of the stop collar and the hydraulic rod, thereby improving the overall practicability;

(2) the utility model discloses utilize the cooperation of pneumatic cylinder, hydraulic stem, fixing base and stop collar, improved the high efficiency of core extraction, utilize the cooperation of guide bar, mounting hole and limiting plate, improved the installation accuracy of operation panel and top upper die base, be convenient for improve the qualification rate of core production, utilize the cooperation of backing plate, base and slipmat, improved holistic practicality.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of a part of an enlarged structure of fig. 1 according to the present invention.

Fig. 3 is a schematic structural view of the present invention from above.

Fig. 4 is a schematic view of the top-view internal structure of the present invention.

Fig. 5 is a schematic view of the internal structure of the side of the present invention.

In the figure: 1. an operation table; 2. a multifunctional lower die holder; 3. a mounting seat; 4. a fixed seat; 5. a hydraulic cylinder; 6. a hydraulic lever; 7. an inner core; 8. a core; 9. a clamping block; 10. a slider; 11. a limiting sleeve; 12. forming a base; 13. a guide bar; 14. a base plate; 15. a base; 16. and a limiting plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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.

The utility model provides a small knob internal thread hydraulic core pulling structure as shown in figures 1-5, which comprises an operation table 1, wherein the middle part of the upper surface of the operation table 1 is fixedly and alternately connected with a multifunctional lower die holder 2, the middle part of the multifunctional lower die holder 2 is provided with a groove for facilitating the pouring of forming seats 12 with different sizes, the two sides of the upper surface of the operation table 1 are symmetrically provided with chutes, the chutes and the section of a slider 10 are in a convex shape, as shown in figure 5, the limiting sliding of the slider 10 is facilitated, the deviation of the installation seat 3 in the moving process is avoided, the slider 10 is slidably connected in the inner cavity of the chute, the top of the slider 10 is fixedly connected with an installation seat 3, the installation seat 3 is provided with a through hole, a core 8 is alternately connected in the inner cavity of the through hole, the sections of the core 8 and the inner core 7 are both round, the diameter of the inner core 7 is smaller than that, the middle part fixedly connected with circular arc lug of fixture block 9, seted up on mount pad 3 with circular arc lug matched with arc wall, the stability of junction has been improved, fixture block 9 is connected with the fixed interlude of mount pad 3, the activity interlude is connected with inner core 7 in the inner chamber of core 8, it is connected with into shape seat 12 to alternate in the inner chamber of multi-functional die holder 2, the both sides of shaping seat 12 alternate with the one end of two cores 8 respectively and are connected, it belongs to injection moulding product to become seat 12 and inner core 7, separate with shaping seat 12 under the drive of hydraulic stem 6.

The equal fixedly connected with fixing base 4 in both sides of operation panel 1, the cross-section of fixing base 4 is the L style of calligraphy, the installation of the pneumatic cylinder 5 and the hydraulic stem 6 of being convenient for, one side fixedly connected with pneumatic cylinder 5 of fixing base 4, pneumatic cylinder 5 is through external switch and external power electric connection.

The output end transmission of pneumatic cylinder 5 is connected with hydraulic stem 6, and fixed the having cup jointed stop collar 11 on hydraulic stem 6's the outer wall, stop collar 11's cross-section is as shown in fig. 5, avoids hydraulic stem 6 to break away from with mount pad 3, and stop

collar

11 and 3 fixed interlude of mount pad are connected, and

hydraulic stem

6 and 4 swing joint of fixing base alternate.

Equal fixedly connected with guide bar 13 in edge of 1 upper surface of operation panel is convenient for be connected with the upper die base, and the equal activity interlude in both sides side of 1 upper surface of operation panel is connected with limiting plate 16, and the fillet has been seted up for rectangle and edge in limiting plate 16's cross-section, the installation of other members of being convenient for.

The mounting hole has all been seted up to the edge of limiting plate 16 upper surface, and the internal thread has been seted up to the bottom of mounting hole inner wall, and the design of screw hole is convenient for external bolt and is carried out the threaded connection of alternating, has improved the steadiness of junction.

The bottom fixedly connected with backing plate 14 of operation panel 1, the bottom fixedly connected with base 15 of backing plate 14, the fixed slipmat that has cup jointed in bottom of base 15 has increased the frictional force on base 15 and ground to the steadiness of base 15 has been improved.

The utility model discloses the theory of operation: during the use, the user is behind the inner core 7 casting moulding on the shaping seat 12, start hydraulic cylinder 5, make four sliders 10 that hydraulic stem 6 drove the 3 bottoms of mount pad all in the inner chamber of spout on the opposite direction spacing slip, make mount pad 3 carry out the displacement, drive the displacement of core 8, utilize the power of drawing of hydraulic stem 6, make inner core 7 take out from the inner chamber of core 8, utilize the design of fixture block 9 and stop collar 11, the pressure dispersion point of hydraulic stem 6 with the 3 junction of mount pad has been increased, avoid local stress to cause the rupture of inner core 7 when too big, treat inner core 7 separation back, take out shaping seat 12, utilize professional cutter to carry out the other end separation of inner core 7, then interior thread processing leaves the factory, thereby obtain the product of dispatching from the factory.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model discloses the standard parts that use all can purchase from the market, and dysmorphism piece all can be customized according to the record of the description with the drawing.

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

1. The hydraulic core-pulling structure for the internal thread of the small knob comprises an operating platform (1) and is characterized in that, the middle part of the upper surface of the operating platform (1) is fixedly inserted and connected with a multifunctional lower die holder (2), sliding grooves are symmetrically arranged on both sides of the upper surface of the operating platform (1), a sliding block (10) is connected in an inner cavity of each sliding groove in a sliding manner, the top of the sliding block (10) is fixedly connected with a mounting seat (3), the mounting seat (3) is provided with a through hole, a mold core (8) is inserted and connected in the inner cavity of the through hole, a clamping block (9) is fixedly sleeved on the outer wall of the mold core (8), the clamping block (9) is fixedly inserted and connected with the mounting seat (3), an inner core (7) is movably inserted and connected in the inner cavity of the mold core (8), the inner cavity of the multifunctional lower die holder (2) is inserted and connected with a forming seat (12), and two sides of the forming seat (12) are respectively connected with one ends of the two cores (8) in a penetrating way.

2. The small knob internal thread hydraulic core pulling structure according to claim 1, wherein fixing seats (4) are fixedly connected to both sides of the operating platform (1), and a hydraulic cylinder (5) is fixedly connected to one side of each fixing seat (4).

3. The small knob internal thread hydraulic core pulling structure according to claim 2, wherein the output end of the hydraulic cylinder (5) is connected with a hydraulic rod (6) in a transmission manner, a limiting sleeve (11) is fixedly sleeved on the outer wall of the hydraulic rod (6), and the limiting sleeve (11) is fixedly inserted and connected with the mounting seat (3).

4. The small knob internal thread hydraulic core pulling structure according to claim 1, wherein the corners of the upper surface of the operating platform (1) are fixedly connected with guide rods (13), and the two sides of the upper surface of the operating platform (1) are movably inserted with limiting plates (16).

5. The small knob internal thread hydraulic core pulling structure as claimed in claim 4, wherein mounting holes are formed in corners of the upper surface of the limiting plate (16), and internal threads are formed in the bottom of the inner wall of each mounting hole.

6. The small knob internal thread hydraulic core pulling structure is characterized in that a base plate (14) is fixedly connected to the bottom of the operating platform (1), a base (15) is fixedly connected to the bottom of the base plate (14), and an anti-slip pad is fixedly sleeved on the bottom of the base (15).