CN215882472U

CN215882472U - Floating bush locking structure for controlling sequential die opening of die

Info

Publication number: CN215882472U
Application number: CN202122118237.8U
Authority: CN
Inventors: 任晓山; 柯愈武; 陈霄; 周海波
Original assignee: Yimeite Equipment Wuhan Co ltd
Current assignee: Yimeite Equipment Wuhan Co ltd
Priority date: 2021-09-03
Filing date: 2021-09-03
Publication date: 2022-02-22
Anticipated expiration: 2031-09-03

Abstract

The utility model discloses a floating bush locking structure for controlling sequential die opening of a die, which comprises a floating bush and a nylon drag hook which is in forward connection fit or reverse connection fit with the floating bush, wherein when the floating bush locking structure is used, the floating bush is arranged on a movable die, and the nylon drag hook is arranged on a fixed die or the floating bush; when the nylon draw hook is in positive connection and matching with the floating bush, the nylon draw hook is fixedly arranged on the fixed template of the fixed die, one end of the nylon draw hook is fixedly connected with the fixed template of the fixed die, and the other end of the nylon draw hook is in tight expansion matching with the floating bush; when the nylon draw hook and the floating bush are reversely connected and matched, the nylon draw hook is fixedly arranged on the floating bush, one end of the nylon draw hook is fixedly connected with the floating bush, and the other end of the nylon draw hook is in tight fit with the fixed template of the fixed die in an expanding manner. The utility model has the advantages that: simple structure, easy processing and installation, small occupied space and low use cost.

Description

Floating bush locking structure for controlling sequential die opening of die

Technical Field

The utility model relates to the technical field of mold opening of injection molds, in particular to a floating bushing locking structure for controlling sequential mold opening of a mold.

Background

In the mold design, when the mold opening action sequence is "movable mold once open (distance opening) → movable mold twice open (distance opening) → movable mold three times open (full opening)", it is general to implement the sequential mold opening control using the mechanical lock catch 300 as shown in fig. 1 to 3. However, the mechanical lock has the following disadvantages: 1) the part is bigger, can be relatively more occupation space in using the compact type mould of the first class small products structure such as direct, 2) processing and installation are relatively complicated, use cost is high.

SUMMERY OF THE UTILITY MODEL

In view of the problems in the background art, the present invention aims to provide a floating bushing locking structure for controlling mold opening sequence, which has simple structure, small size and convenient processing and installation.

In order to achieve the purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a floating bush hasp structure for mould order die sinking control, contains floating bush and with floating bush is forward connection cooperation or reverse connection complex nylon drag hook.

Furthermore, the floating bush is a cylindrical structure with a shoulder at one end and a nylon draw hook expansion unthreaded hole or a nylon draw hook threaded hole at the other end.

Further, when the nylon drag hook is positively connected and matched with the floating bush, the floating bush is of a cylindrical structure with one end provided with a circular bead and the other end provided with a nylon drag hook expansion unthreaded hole.

Further, when the nylon drag hook is reversely connected and matched with the floating bushing, the floating bushing is of a cylindrical structure with a circular bead at one end and a threaded hole of the nylon drag hook at the other end.

Further, be the forward and be connected the cooperation when nylon drag hook and floating bush, during the use, nylon drag hook fixed mounting is on the fixed die plate of cover half, and the fixed die plate fixed connection of nylon drag hook one end and cover half, and the other end is equipped with the one end tight fit that expands mutually of nylon drag hook tight unthreaded hole with floating bush, and floating bush is equipped with the one end activity of circular bead and wears to establish on the movable mould board of movable mould.

Further, be the back connection cooperation when nylon drag hook and floating bush, during the use, on the nylon drag hook fixed mounting floating bush, and nylon drag hook one end is equipped with the one end fixed connection of nylon drag hook screw hole with floating bush, the other end and the fixed die plate of cover half tight fit that expands mutually, the one end activity that floating bush was equipped with the circular bead is worn to establish on the movable mould board of movable mould.

Furthermore, one end of the floating bush, which is provided with a shoulder, is movably arranged in a cylindrical sliding groove with a sinking platform, which is formed on the movable template in a penetrating way.

Further, when the nylon draw hook and the floating bush are in forward connection and matching, the outer wall of the floating bush is also provided with an air guide groove and an exhaust hole communicated with the nylon draw hook expansion unthreaded hole.

Furthermore, when the nylon draw hook and the floating bush are reversely connected and matched, a nylon draw hook expansion unthreaded hole which is used for being in expansion tight fit with the nylon draw hook and an exhaust hole communicated with the nylon draw hook expansion unthreaded hole are formed in the fixed die plate of the fixed die.

Compared with the prior art, the utility model has the advantages that: simple structure, easy processing and installation, small occupied space and low use cost.

Drawings

FIG. 1 is a schematic view of one-time mold opening of a movable mold controlled by a conventional mechanical lock catch;

FIG. 2 is a schematic diagram of secondary mold opening of a movable mold controlled by a conventional mechanical lock catch;

FIG. 3 is a schematic diagram of three-time mold opening of a movable mold controlled by a conventional mechanical lock catch;

FIG. 4 is a schematic view of a first embodiment of the floating liner shackle structure of the present invention in mold closed position;

FIG. 5 is a schematic view of the movable mold being opened at a time based on the embodiment of the locking structure of the floating bush in FIG. 4;

FIG. 6 is a schematic diagram of a secondary opening of a movable mold according to the embodiment of the floating liner locking structure of FIG. 4;

FIG. 7 is a schematic view of a movable mold opened in three stages according to an embodiment of the floating bushing locking structure shown in FIG. 4;

FIG. 8 is a perspective view of the floating liner of FIG. 4;

FIG. 9 is a cross-sectional structural view of the floating liner of FIG. 4;

FIG. 10 is a schematic view of a second embodiment of the floating liner shackle structure of the present invention in mold closed position;

FIG. 11 is a schematic view of the movable mold being opened at a time based on the embodiment of the locking structure of the floating bush in FIG. 10;

FIG. 12 is a schematic view of a movable mold being opened twice according to the embodiment of the floating liner locking structure of FIG. 10;

FIG. 13 is a schematic diagram of a movable mold opened in three times based on the embodiment of the floating bushing locking structure in FIG. 10

FIG. 14 is a perspective view of the floating liner of FIG. 10;

FIG. 15 is a cross-sectional view of the floating liner of FIG. 10;

FIG. 16 is a perspective view of the floating liner of FIG. 10 shown in connection with a nylon retractor;

FIG. 17 is a schematic cross-sectional view of the floating liner of FIG. 10 shown in connection with a nylon retractor;

description of reference numerals: 1. a floating liner; 2. a nylon draw hook; 3. expanding the unthreaded hole by using a nylon draw hook; 4. A nylon draw hook threaded hole; 5. a gas guide groove; 6. an exhaust hole; 100. moving the mold; 101. moving the template; 102. A movable die base plate; 103. an equal-height screw; 200. fixing a mold; 201. fixing a template; 202. fixing a die base plate; 300. mechanically locking;

in fig. 1 to 3: l1 represents the distance of opening the mold once under the control of the mechanical lock; l2 represents the secondary opening distance under the control of mechanical lock; l3 represents the three opening distances under the control of the mechanical lock catch;

in fig. 5 to 7 and 10 to 12: l1 represents the distance of opening the mold once under the lock control of the floating bush; l2 represents the secondary mold opening distance under the lock control of the floating bush; l3 shows the three open distances under the control of the floating liner lock.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the effects of the utility model easy to understand, the following description further explains how the utility model is implemented by combining the drawings and the specific embodiments.

Example 1: referring to fig. 4 to 9, the floating bush locking structure for controlling mold opening sequence of the present embodiment includes a floating bush 1 and a nylon hook 2 connected to the floating bush 1 in a forward direction and engaged therewith.

Specifically, in the present embodiment, referring to fig. 8 and 9, the floating bush 1 is a cylindrical structure with a shoulder at one end and a nylon hook expansion unthreaded hole 3 at the other end.

Specifically, in this embodiment, referring to fig. 4 to 7, in use, the nylon retractor 2 is fixedly installed on the fixed mold plate 201 of the fixed mold 200, one end of the nylon retractor 2 is fixedly connected to the fixed mold plate 201 of the fixed mold 200, the other end of the nylon retractor 2 is in expanding fit with the end of the floating bush 1 provided with the nylon retractor expanding unthreaded hole 3, one end of the floating bush 1 provided with the shoulder is movably inserted into the cylindrical chute 101a with the sinking platform, which is formed on the movable mold plate 101 of the movable mold 100.

Specifically, in the present embodiment, as shown in fig. 8 and 9, an air guide groove 5 and an air vent 6 communicating with the nylon hook expansion unthreaded hole 3 are further formed in the outer wall of the floating bush 1. Wherein, the air guide groove 5 and the air vent 6 are used for eliminating air noise generated by the nylon draw hook 2 in the drawing and inserting movement.

In the present embodiment, when the movable mold 100 is clamped with the fixed mold 200, the clamping operation is as follows: first, the bottom surface (i.e. the surface far from the nylon pulling hook 2) of the floating bush 1 is pushed toward the movable die plate 101 of the movable die 100 by the nylon pulling hook 2 until contacting with the bottom surface of the movable die plate 101, and then the nylon pulling hook 2 is inserted into the nylon pulling hook expansion unthreaded hole 3 formed inside the floating bush 1 and is expanded and locked, as shown in fig. 4.

In this embodiment, when the movable mold 100 and the fixed mold 200 are opened, the opening operation process is as follows: firstly, the movable mold 100 is opened from a parting surface, at this time, the floating bush 1 is fixed together with the fixed mold 200 under the action of the expanding friction force of the nylon draw hook 2 until the movable mold 100 is opened until the shoulder of the floating bush 1 contacts with the movable mold plate 101, so as to form a mold opening, as shown in fig. 5, L1 in fig. 5 represents a mold opening distance; then, the moving die plate 101 stops moving, the moving die backing plate 102 continues moving backwards to form a second die opening distance, as shown in fig. 6, L2 in fig. 6 indicates the second die opening distance, then the moving die backing plate 102 continues moving backwards, and under the limiting action of the contour screw 103, the moving die backing plate 102 at this time will bring the moving die plate 101 and the floating bush 1 together to move backwards, and make the nylon drag hook 2 withdraw from the nylon drag hook expansion unthreaded hole 3 of the floating bush 1, i.e. form a third die opening distance, as shown in fig. 7, L3 in fig. 7 indicates the third die opening distance.

Example 2: referring to fig. 10 to 17, the floating bush locking structure for controlling mold opening sequence of the present embodiment includes a floating bush 1 and a nylon retractor 2 connected and engaged with the floating bush 1 in a reverse direction.

Specifically, in this embodiment, and as shown in fig. 14 and 15, floating liner 1 is a cylindrical structure with a shoulder at one end and a threaded nylon hook hole 4 at the other end.

Specifically, in the embodiment, referring to fig. 10 to 13, in use, the nylon pulling hook 2 is fixedly installed on the floating bush 1, and one end of the nylon pulling hook 2 is fixedly connected with one end of the floating bush 1 provided with the nylon pulling hook threaded hole 4, and the other end is in expanded fit with the fixed die plate 201 of the fixed die 200; one end of the floating bush 1, which is provided with a shoulder, is movably arranged in a cylindrical sliding groove 101a with a sinking platform, which is arranged on a movable template 101 of the movable mould 100 in a penetrating way.

More specifically, in this embodiment, referring to fig. 13, a nylon hook expansion unthreaded hole 3 for expanding and fitting with a nylon hook 2 and an exhaust hole 6 communicated with the nylon hook expansion unthreaded hole 3 are formed in a fixed die plate 201.

In the present embodiment, when the movable mold 100 is clamped with the fixed mold 200, the clamping operation is as follows: first, the nylon pulling hook 2 is inserted into the nylon pulling hook expansion unthreaded hole 3 formed in the fixed die plate 201 and is expanded and locked, and then the bottom surface (i.e., the surface far away from the nylon pulling hook 2) of the floating bush 1 is pushed toward the movable die plate 101 of the movable die 100 by the nylon pulling hook 2 until the bottom surface contacts with the bottom surface of the movable die plate 101, as shown in fig. 10.

In this embodiment, when the movable mold 100 and the fixed mold 200 are opened, the opening operation process is as follows: firstly, the movable die 100 is opened from a parting surface, at this time, the floating bush 1 and the nylon draw hook 2 are firstly fixed together with the fixed die 200 under the action of the expanding friction force of the nylon draw hook 2 until the movable die 100 is opened until the shoulder of the floating bush 1 contacts with the movable die plate 101, so that a die opening is formed, as shown in fig. 11, L1 in fig. 11 indicates a die opening distance; then, the moving die plate 101 stops moving, and the moving die backing plate 102 continues moving backwards to form a secondary die opening, as shown in fig. 12, where L2 in fig. 12 represents a secondary die opening distance; then the movable die backing plate 102 moves backwards continuously, and under the limiting action of the contour screw 103, the movable die backing plate 102 at this time drives the movable die plate 101, the floating bush 1 and the nylon draw hook 2 to move backwards together, and the nylon draw hook 2 is pulled out from the fixed die plate 201 of the fixed die 200, namely three times of die sinking are formed, as shown in fig. 13, L3 in fig. 13 represents three times of die sinking distance.

It should be noted that: in the above embodiment, the movable mold 100 is mainly composed of the movable mold plate 101 and the movable mold backing plate 102; the fixed die 200 mainly comprises a fixed die plate 201 and a fixed die base plate 202; however, in practical applications, the movable mold 100 and the fixed mold 200 are not limited to the structures described in the above embodiments, and may have other structures. However, the floating bush locking structure provided by the utility model is still applicable to other structures, and the difference is that the installation positions of the floating bush 1 and the nylon pulling hook 2 may be different, but the use of the floating bush locking structure provided by the utility model is not influenced, and the protection range and the use range of the utility model are not influenced.

In addition, it should be noted that: in the present invention, the nylon retractor 2 is selected as a standard component available on the market, and is shown in fig. 17, and is specifically composed of a nylon outer sleeve 2.1 and a screw 2.2.

Finally, the above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent structures or equivalent processes performed by the present invention or directly or indirectly applied to other related technical fields using the contents of the present specification and the attached drawings are included in the scope of the present invention.

Claims

1. The utility model provides a floating bush hasp structure for mould order die sinking control which characterized in that: comprises a floating bush (1) and a nylon draw hook (2) which is in forward connection fit or reverse connection fit with the floating bush (1); the floating bushing (1) is of a cylindrical structure, one end of the cylindrical structure is provided with a shoulder, and the other end of the cylindrical structure is provided with a nylon draw hook expansion unthreaded hole (3) or a nylon draw hook threaded hole (4).

2. The floating liner lock structure for mold sequential opening mold control according to claim 1, wherein: when nylon drag hook (2) is the forward connection cooperation with floating bush (1), floating bush (1) is the cylinder structure that one end has the circular bead, the other end has nylon drag hook tension unthreaded hole (3).

3. The floating liner lock structure for mold sequential opening mold control according to claim 1, wherein: when nylon drag hook (2) is the reverse connection cooperation with floating bush (1), floating bush (1) is the cylinder structure that one end has the circular bead, the other end has nylon drag hook screw hole (4).

4. The floating liner lock structure for mold sequential opening mold control according to claim 2, wherein: when nylon drag hook (2) are the forward with floating bush (1) and are connected the cooperation, during the use, nylon drag hook (2) fixed mounting is on fixed die plate (201) of cover half (200), and fixed die plate (201) fixed connection of nylon drag hook (2) one end and cover half (200), the one end tight fit that expands mutually that the other end and floating bush (1) are equipped with nylon drag hook tight unthreaded hole (3), the one end activity that floating bush (1) was equipped with the circular bead is worn to establish on movable mould board (101) of movable mould (100).

5. The floating liner lock structure for mold sequential opening mold control according to claim 3, wherein: when nylon drag hook (2) and floating bush (1) are the reverse connection cooperation, during the use, on nylon drag hook (2) fixed mounting floating bush (1), and nylon drag hook (2) one end is equipped with the one end fixed connection of nylon drag hook screw hole (4) with floating bush (1), and the other end expands tightly the cooperation with fixed die plate (201) of fixed die (200) mutually, and floating bush (1) is equipped with the one end activity of circular bead and wears to establish on movable die plate (101) of movable mould (100).

6. The floating liner lock catch structure for mold sequential opening control according to claim 4 or 5, wherein: one end of the floating bush (1) provided with a shoulder is movably arranged in a cylindrical sliding groove (101a) with a sinking platform on the movable template (101) in a penetrating way.

7. The floating liner lock structure for mold sequential opening mold control according to claim 4, wherein: when the nylon draw hook (2) is positively connected and matched with the floating bush (1), the outer wall of the floating bush (1) is also provided with an air guide groove (5) and an exhaust hole (6) communicated with the nylon draw hook expansion unthreaded hole (3).

8. The floating liner lock structure for mold sequential opening mold control according to claim 5, wherein: when nylon drag hook (2) is the back connection cooperation with floating bush (1) set up on fixed die plate (201) of cover half (200) be used for with nylon drag hook (2) expand tight complex nylon drag hook tension unthreaded hole (3) and with exhaust hole (6) that nylon drag hook tension unthreaded hole (3) are linked together.