CN219947065U - Mould closing mechanism easy to assemble - Google Patents

Abstract

The utility model discloses a die assembly mechanism easy to assemble, which comprises a frame, a lower die holder, an upper die holder, a hydraulic cylinder and a disassembly component, wherein a supporting plate is fixed on a piston rod of the hydraulic cylinder, the die assembly mechanism also comprises a disassembly component, a lower guide sleeve is fixed in the frame, a guide seat is hinged on the lower guide sleeve through a rotating shaft, an upper guide sleeve is fixed at the bottom of the supporting plate, an operation through hole is arranged on the side edge of the upper guide sleeve and the side edge of the lower guide sleeve, the upper guide sleeve is connected with the upper die holder through the disassembly component, the lower die holder is connected with the lower guide sleeve through the disassembly component, the disassembly component comprises a fixed seat, a spring seat, an elastic piece and a limiting part, wherein one end of the spring seat is fixed in the fixed seat, the other end of the limiting part is clamped in the operation through hole, one end of the elastic piece is fixed with the bottom of the fixed seat, and a jacking mechanism matched with the lower die holder is arranged at the bottom of the frame. The structure realizes quick disassembly of the die holder.

Description

Mould closing mechanism easy to assemble

Technical Field

The utility model relates to the technical field of injection molding machines, in particular to a mold clamping mechanism easy to assemble.

Background

The injection molding machine is the main molding equipment for manufacturing plastic products with various shapes from thermoplastic plastics or thermosetting plastics by utilizing a plastic molding die, and has wide application.

The injection molding machine generally contains injection mold and feed mechanism, and current injection mold generally contains mould and lower mould, goes up mould and lower mould and directly passes through screw fixation on injection molding machine equipment, leads to later stage dismantlement inconvenient, and in order to improve fixed effect, relatively fixed screw quantity is many moreover, consequently needs to demolish the back with individual screw, just can change the mould, leads to changing inefficiency, and the inconvenient operation so needs to improve.

Disclosure of Invention

The utility model aims to provide a die clamping mechanism easy to assemble, which solves the problems of low efficiency and inconvenient operation of the existing upper die and lower die replacing mode in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a mould closing mechanism of easily assembling, includes frame, die holder, upper die base and pneumatic cylinder, the pneumatic cylinder is fixed on the top of frame, is fixed with the backup pad on the piston rod of pneumatic cylinder, still including dismantling the subassembly, be fixed with down the uide bushing in the frame, articulated to have the guide holder through the pivot on down the uide bushing, the side of pivot is connected with the rotatory motor of drive pivot the backup pad bottom is fixed with the uide bushing, all is provided with the operation through-hole at last uide bushing and lower uide bushing side, go up between uide bushing and the upper die base through dismantling the subassembly and be connected, be connected through dismantling the subassembly between die holder and the lower uide bushing, it includes fixing base, spring holder, elastic component and spacing portion to dismantle the subassembly, the spring holder is fixed in the fixing base, spacing portion one end is spacing in the spring holder, and another end card is in the operation through-hole, elastic component is located the spring holder, and elastic component one end is fixed with fixing base bottom, and the spacing portion one end that is located the frame bottom is provided with lower die holder complex climbing mechanism.

Preferably, in order to further achieve the accuracy of die assembly of the upper die and the lower die, position deviation is avoided, the injection molding effect of a final product is affected, a first limiting ring is arranged at the bottom of the guide seat, and a first limiting groove matched with the first limiting ring is formed in the lower die seat.

Preferably, in order to further achieve the fixing effect, a second limiting groove is formed in the upper end face of the guide seat, and a second limiting ring matched with the second limiting groove is arranged below the upper die holder.

Preferably, in order to realize the guiding function, two second guiding rods are fixed above the supporting plate, the second guiding rods are movably inserted in the frame, and a guiding sliding sleeve matched with the second guiding rods is arranged on the frame.

Preferably, four first guide rods are arranged in the frame, and guide through holes matched with the first guide rods are formed in the support plate.

Preferably, in order to conveniently position the elastic piece when the upper die or the upper die is installed, the elastic piece is ensured to be clamped in the operation through hole, and initial reference points are arranged on the upper guide sleeve and the lower guide sleeve.

The mold clamping mechanism easy to assemble has the following technical effects: this structure is through setting up the dismantlement subassembly with the uide bushing complex that corresponds at die holder and upper die base side, realizes dismantling upper die base and die holder fast, compares moreover and dismantles through the screw, and is more swift.

Drawings

FIG. 1 is a schematic view showing the overall structure of a clamping mechanism which is easy to assemble in embodiment 1;

FIG. 2 is an enlarged view at A of FIG. 1;

FIG. 3 is a schematic view showing the overall structure of a mold clamping mechanism which is easy to assemble in example 2;

fig. 4 is a plan view of the lower guide bush in example 3.

In the figure: the device comprises a frame 1, a lower die holder 2, an upper die holder 3, a hydraulic cylinder 4, a supporting plate 5, a disassembly component 6, a fixed seat 601, a spring seat 602, an elastic piece 603, a limiting part 604, a lower guide sleeve 7, a rotating shaft 8, a guide seat 9, a motor 10, an upper guide sleeve 11, an operation through hole 12, a first limiting ring 13, a first limiting groove 14, a second limiting groove 15, a second limiting ring 16, a guide through hole 17, an initial reference point 18, a second guide rod 19, a guide sliding sleeve 20, a first guide rod 21 and a jacking mechanism 21-1.

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.

Example 1:

referring to fig. 1-2, the embodiment provides a mold clamping mechanism easy to assemble, which comprises a frame 1, a lower mold base 2, an upper mold base 3 and a hydraulic cylinder 4, wherein the hydraulic cylinder 4 is fixed at the top end of the frame 1, and a support plate 5 is fixed on a piston rod of the hydraulic cylinder 4, and is characterized in that: still including dismantling the subassembly 6, be fixed with down uide bushing 7 in frame 1, articulated through pivot 8 on lower uide bushing 7 have guide holder 9, the side of pivot 8 is connected with the rotatory motor 10 of drive pivot 8 the backup pad 5 bottom is fixed with uide bushing 11, all is provided with operation through-hole 12 at last uide bushing 11 and lower uide bushing 7 side, be connected through dismantling the subassembly 6 between last uide bushing 11 and the upper die base 3, be connected through dismantling the subassembly 6 between die holder 2 and the lower uide bushing 7, dismantle the subassembly 6 and include fixing base 601, spring holder 602, elastic component 603 and spacing portion 604, spring holder 602 is fixed in fixing base 601, spacing portion 604 one end is spacing in spring holder 602, and the other end card is in operation through-hole 12, elastic component 603 is located spring holder 602, and elastic component 603 one end is fixed with the fixing base 601 bottom, and the other end is fixed with the spacing portion 604 one end that is located spring holder 602, is provided with in frame 1 bottom with die holder 2 complex climbing mechanism 21-1. The jacking mechanism is a small cylinder.

Preferably, in order to further realize the accuracy of the upper die and the lower die, avoid position deviation and influence the injection molding effect of the final product, the bottom of the guide seat 9 is provided with a first limiting ring 13, and the lower die holder 2 is provided with a first limiting groove 14 matched with the first limiting ring 13.

Preferably, in order to realize the guiding function, two second guiding rods 19 are fixed above the supporting plate 5, the second guiding rods 19 are movably inserted on the frame 1, and a guiding sliding sleeve 20 matched with the second guiding rods 19 is arranged on the frame 1.

Preferably, four first guide rods 21 are arranged in the frame 1, guide through holes 17 matched with the first guide rods 21 are arranged on the supporting plate 5, and the first guide rods 21 are arranged in the frame 1 to be matched with the guide through holes 17 on the supporting plate 5, so that the upper die holder 3 and the lower die holder 2 can be effectively clamped during die clamping.

The disassembly and assembly mode of the structure is as follows:

when the upper die and the lower die need to be replaced, the limiting parts 604 on the two sides are pressed down by hands, the motor 10 is started to work at the moment, the guide seat 9 is rotated to expose the lower guide sleeve 7, then the jacking mechanism 21-1 is driven to work, the lower die holder 2 is ejected out of the lower guide sleeve 7, the lower die holder 2 is quickly detached, the limiting parts 604 on the two sides of the upper guide sleeve 11 are pressed down, the upper die holder 3 can be directly detached, when the upper die holder 2 and the upper die holder 3 are installed in the later stage, the corresponding guide sleeves can be installed, and the expansion and the contraction can be realized under the action of the limiting parts 604.

Example 2:

referring to fig. 3, the present embodiment provides a clamping mechanism that is easy to assemble, and has the same general structure as embodiment 1, except that, preferably, in order to further achieve the fixing effect, the upper end surface of the guide seat 9 is provided with a second limiting groove 15, and a second limiting ring 16 that is matched with the second limiting groove 15 is disposed below the upper die seat 3, and by disposing the second limiting groove 15 at the upper end of the guide seat 9, when the clamping is performed, the second limiting ring 16 is clamped in the second limiting groove 15 to achieve guiding, and simultaneously compresses the guide seat 9, so as to avoid loosening.

Example 3:

referring to fig. 4, the present embodiment provides a mold clamping mechanism that is easy to assemble, and has the same general structure as that of embodiment 1, except that, preferably, in order to facilitate positioning of the elastic member when installing the upper mold base or the upper mold base, the elastic member is ensured to be clamped in the operation through hole 12, initial reference points 18 are provided on the upper guide sleeve 11 and the lower guide sleeve 7, and by providing visual initial reference points 18 on the upper guide sleeve 11 and the lower guide sleeve 7, the limiting portion 604 can be ensured to correspond to the operation through hole 12 when the upper mold base 3 and the lower mold base 2 are clamped into the corresponding guide sleeves, so as to avoid the distortion of installation.

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

Claims (6)

1. The utility model provides a mould closing mechanism of easy assembly, includes frame (1), die holder (2), upper die base (3) and pneumatic cylinder (4), the top at frame (1) is fixed to pneumatic cylinder (4), is fixed with backup pad (5) on the piston rod of pneumatic cylinder (4), its characterized in that: the automatic dismounting device is characterized by further comprising a dismounting component (6), wherein a lower guide sleeve (7) is fixed in the frame (1), a guide seat (9) is hinged on the lower guide sleeve (7) through a rotating shaft (8), a motor (10) for driving the rotating shaft (8) to rotate is connected to the side edge of the rotating shaft (8), an upper guide sleeve (11) is fixed at the bottom of the supporting plate (5), operation through holes (12) are formed in the side edges of the upper guide sleeve (11) and the lower guide sleeve (7), the upper guide sleeve (11) is connected with the upper die holder (3) through the dismounting component (6), the lower die holder (2) is connected with the lower guide sleeve (7) through the dismounting component (6), the dismounting component (6) comprises a fixed seat (601), a spring seat (602), an elastic piece (603) and a limiting part (604), the spring seat (602) is fixed in the fixed seat (601), one end of the limiting part (604) is limited in the fixed seat (602), the other end of the elastic piece (603) is clamped in the operation through holes (12), the elastic piece (603) is located in the fixed seat (602), one end of the elastic piece (603) is fixed with one end of the fixed seat (602) and the other end of the other end (602) is fixed in the fixed seat (at one end, the bottom of the frame (1) is provided with a jacking mechanism (21-1) matched with the lower die holder (2).

2. The easy-to-assemble clamping mechanism of claim 1, wherein: the bottom of guide holder (9) is provided with first spacing ring (13) be provided with on die holder (2) with first spacing recess (14) of first spacing ring (13) complex.

3. An easy-to-assemble clamping mechanism according to claim 2, wherein: the upper end face of the guide seat (9) is provided with a second limiting groove (15), and a second limiting ring (16) matched with the second limiting groove (15) is arranged below the upper die holder (3).

4. A clamping mechanism for easy assembly according to claim 1, 2 or 3, characterized in that: two second guide rods (19) are fixed above the support plate (5), the second guide rods (19) are movably inserted on the frame (1), and guide sliding sleeves (20) matched with the second guide rods (19) are arranged on the frame (1).

5. The easy-to-assemble clamping mechanism of claim 4, wherein: four first guide rods (21) are arranged in the frame (1), and guide through holes (17) matched with the first guide rods (21) are formed in the support plate (5).

6. The easy-to-assemble clamping mechanism of claim 1, wherein: an initial reference point (18) is arranged on both the upper guide sleeve (11) and the lower guide sleeve (7).