CN211221843U

CN211221843U - Lock catch structure of plastic forming die

Info

Publication number: CN211221843U
Application number: CN201922254098.4U
Authority: CN
Inventors: 汤晓飞; 王俊
Original assignee: Nanjing Bojun Machinery Equipment Manufacturing Co ltd
Current assignee: Nanjing Bojun Machinery Equipment Manufacturing Co ltd
Priority date: 2019-12-16
Filing date: 2019-12-16
Publication date: 2020-08-11
Anticipated expiration: 2029-12-16

Abstract

The utility model discloses a lock catch structure of a plastic forming die, which relates to the technical field of dies and comprises a lower die holder, wherein the upper end of the lower die holder is fixedly connected with a lower die plate through a screw, an upper die plate is arranged above the lower die plate, the upper end of the upper die plate is fixedly connected with an upper die holder through a screw, butt joint grooves are formed in the left side and the right side of the lower end of the upper die plate, the lower ends of the butt joint grooves are fixedly connected with positioning rods, the upper ends of the outer sides of the positioning rods are provided with clamping grooves, the middle parts of the positioning rods are provided with limiting holes, the bottom ends of the positioning rods; through setting up locating lever and constant head tank and electric telescopic shaft, make cope match-plate pattern and lower bolster reach the fixed effect of locking, and the contact through positive terminal and negative terminal makes the extension of electric telescopic shaft reach the automation to improved the simple operation nature, and through the joint of fixture block and draw-in groove, made the fixed effect of locking better, can also reduce the moment of torsion power that the electric telescopic shaft received, improved the life of electric telescopic shaft.

Description

Lock catch structure of plastic forming die

Technical Field

The utility model relates to the technical field of mold, especially, relate to a plastic molding mould's hasp structure.

Background

The mould is used for making the tool of the shaping article, this kind of tool is formed by various parts, different moulds are formed by different parts, it mainly realizes the processing of the article appearance through the change of the physical state of the shaping material, it is the name of "industrial mother".

In the prior lock catch structure of the plastic forming die, when the upper template and the lower template are locked and fixed, the upper template and the lower template of the injection mold are generally fixed through the jacking action of the air cylinder, the locking mode has poor stability, when the upper template and the lower template are locked and fixed through the expansion of the electric expansion shaft, the electric expansion shaft needs to be manually operated again to extend after the upper template and the lower template are butted each time, thereby locking and fixing the upper template and the lower template, so that the automatic locking effect is difficult to achieve, the operation is not convenient enough, and electricity telescopic shaft is spacing and when the locking was fixed carrying out cope match-plate pattern and lower bolster, and electricity telescopic shaft can receive the torsional forces, leads to the electricity telescopic shaft fragile, has reduced the life of electricity telescopic shaft, for this reason, we provide a plastic molding die's hasp structure to solve the above-mentioned technical problem who provides.

SUMMERY OF THE UTILITY MODEL

The utility model provides a plastic forming die's hasp structure to it is fixed unstable inadequately to solve cope match-plate pattern and the lower bolster locking that above-mentioned background art provided, and is difficult to reach the effect of automatic locking, has reduced the simple operation nature, and the problem of electric telescopic shaft fragile class after the extension work.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a plastic forming die's hasp structure, includes the die holder:

the upper end of the lower die holder is fixedly connected with a lower die plate through a screw, an upper die plate is arranged above the lower die plate, the upper end of the upper die plate is fixedly connected with an upper die holder through a screw, the left side and the right side of the lower end of the upper die plate are both provided with butt joint grooves, the lower end of each butt joint groove is fixedly connected with a positioning rod, the upper end of the outer side of each positioning rod is provided with a clamping groove, the middle part of each positioning rod is provided with a limiting hole, the bottom end of each positioning rod is provided with a groove, the middle part of the bottom end of the upper die plate is provided with a forming groove, the middle part of the upper end of the lower die plate is fixedly connected with a forming block which is in butt joint with the forming groove, the left side and the right side of the upper end of the lower die plate are both connected with butt joint rings, the butt joint, constant head tank bottom is located the equal fixed expanding spring of negative terminal left and right sides, and two fixedly connected with lug between the expanding spring upper end, the lug with the recess joint, just lug bottom middle part has connect anodal terminal mutually, both ends are located two about the lower bolster is inside all opened between the constant head tank has movable chamber, just the equal fixedly connected with electric telescopic shaft of activity intracavity portion, both ends are located about the lower bolster is inside all opened the outside of constant head tank has the arc wall, just the inside middle-end fixedly connected with snap ring of arc wall, snap ring lower extreme fixedly connected with return spring, just the inside sliding connection of arc wall has the arc piece, arc piece upper end right side has connect the fixture block mutually, just arc piece lower extreme right side has connect the kicking block mutually, the inside inlaying of lower bolster has a plurality of electric wires.

Furthermore, the upper end of the positioning groove is an open end, and the positioning rod is connected with the positioning groove in a clamping mode.

Furthermore, the movable cavity is communicated with the adjacent positioning groove, the electric telescopic shaft extends into the positioning groove and is movably connected with the positioning groove.

Furthermore, the right side of the upper end and the right side of the lower end of the arc-shaped groove are communicated with the positioning groove, the tail end of the electric telescopic shaft is butted with the opening of the right side of the lower end of the arc-shaped groove, and the electric telescopic shaft penetrates through the limiting hole.

Furthermore, the arc block penetrates through the clamping ring and the return spring, the arc block is movably connected with the clamping ring and the return spring, the tail end of the return spring is fixedly connected with the ejecting block, and the clamping block is clamped with the clamping groove.

Furthermore, the depth of the groove is smaller than the height of the bump, and the positive terminal and the negative terminal are oppositely arranged.

Furthermore, the positive terminal and the negative terminal are respectively connected with different wires, the tail end of the wire on the positive terminal is connected with an adjacent electric telescopic shaft, two wires on the negative terminal are arranged in series, and one wire on the negative terminal penetrates through the lower template.

Compared with the prior art, the utility model discloses the beneficial effect who realizes:

the positioning rod is clamped with the positioning groove, the electric telescopic shaft penetrates through the limiting hole and is clamped with the arc-shaped groove, so that the lower template is prevented from loosening after being contacted with the upper template, preliminary locking and fixing of the upper template and the lower template are achieved, the electric telescopic shaft stretches and retracts through the contact of the positive terminal and the negative terminal and is electrified to work, the electric telescopic shaft does not need to be manually stretched, the positive terminal and the negative terminal can be automatically contacted after the positioning rod extrudes the lug, the electric telescopic shaft is automatically electrified and stretched, the upper template and the lower template can achieve the automatic locking effect, the operation is more convenient and rapid, the stability of the positioning rod clamped in the positioning groove can be further improved through the clamping connection of the clamping block and the clamping groove, the torque force of the positioning rod on the electric telescopic shaft is reduced, and the electric telescopic shaft is prevented from being deformed due to large torque force, the service life of the electric telescopic shaft is prolonged.

Drawings

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

fig. 2 is a schematic diagram of a partially enlarged structure a of the present invention.

In FIGS. 1-2: the die comprises a lower die holder 1, a lower die plate 2, an upper die holder 3, an upper die plate 4, a forming groove 5, a forming block 6, a clamping groove 7, a positioning rod 8, a limiting hole 9, a butt joint groove 10, a butt joint ring 11, a groove 12, a movable cavity 13, an electric telescopic shaft 14, a positioning groove 15, an electric wire 16, an arc-shaped groove 17, an arc-shaped block 18, a clamping ring 19, a return spring 20, a clamping block 21, an ejector block 22, a convex block 23, an anode terminal 24, a cathode terminal 25 and a telescopic spring 26.

Detailed Description

The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.

It should be understood that the mechanisms, ratios, sizes, etc. shown in the drawings attached to the present specification are only used for matching with the contents disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any modification of the mechanisms, change of the ratio relationship, or adjustment of the size should still fall within the scope that the technical contents disclosed in the present invention can cover without affecting the function and the achievable purpose of the present invention. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.

Please refer to fig. 1 to 2:

the utility model provides a plastic forming die's hasp structure, including die holder 1, each part to a plastic forming die's hasp structure carries out the detailed description below:

the upper end of the lower die holder 1 is fixedly connected with a lower die plate 2 through a screw, an upper die plate 4 is arranged above the lower die plate 2, the upper end of the upper die plate 4 is fixedly connected with an upper die holder 3 through a screw, the left side and the right side of the lower end of the upper die plate 4 are both provided with butt joint grooves 10, the lower end of each butt joint groove 10 is fixedly connected with a positioning rod 8, the upper end of the outer side of each positioning rod 8 is provided with a clamping groove 7, the middle part of each positioning rod 8 is provided with a limiting hole 9, the bottom end of each positioning rod 8 is provided with a groove 12, the middle part of the bottom end of the upper die plate 4 is provided with a forming groove 5, the middle part of the upper end of the lower die plate 2 is fixedly connected with a forming block 6 which is in butt joint with the forming groove 5, the left side and the right side of the upper end of the lower die plate 2 are both connected with butt joint rings 11, and the middle part of the bottom end of the positioning groove 15 is connected with a negative terminal 25, the bottom end of the positioning groove 15 is positioned at the left side and the right side of the negative terminal 25 and is fixedly connected with a telescopic spring 26, a convex block 23 is fixedly connected between the upper ends of the two telescopic springs 26, the convex block 23 is connected with the groove 12 in a clamping manner, the middle part of the bottom end of the convex block 23 is connected with a positive terminal 23, the left end and the right end of the lower template 2 are positioned between the two positioning grooves 15 and are respectively provided with a movable cavity 13, the inner part of the movable cavity 13 is fixedly connected with an electric telescopic shaft 14, the left end and the right end of the lower template 2 are respectively provided with an arc-shaped groove 17 at the outer side of the positioning groove 15, the upper end of the positioning groove 15 is an open end, the positioning rod 8 is connected with the positioning groove 15 in a clamping manner, the movable cavity 13 is communicated with, the right side of the upper end and the right side of the lower end of the arc-shaped groove 17 are communicated with the positioning groove 15, the tail end of the electric telescopic shaft 14 is butted with the opening of the right side of the lower end of the arc-shaped groove 17, the electric telescopic shaft 14 penetrates through the limiting hole 9, the depth of the groove 12 is smaller than the height of the convex block 23, the positive terminal 24 and the negative terminal 25 are oppositely arranged, the positive terminal 24 and the negative terminal 25 are respectively butted with different electric wires 16, the tail end of the electric wire 16 on the positive terminal 24 is butted with the adjacent electric telescopic shaft 14, the two electric wires 16 on the two negative terminals 25 are arranged in series, and the electric wire 16 on one negative terminal 25 penetrates out of the lower template 2;

specifically, the upper die holder 3 drives the upper die plate 4 to move downwards, the upper die plate 4 is contacted and butted with the lower die plate 2, the positioning rod 8 is inserted into the positioning groove 15 at the moment, the butting ring 11 is butted into the butting groove 10, so that the contact degree of the upper die plate 4 and the lower die plate 2 is improved, the depth of the groove 12 is smaller than the height of the bump 23, when the bump 23 is clamped with the groove 12, the positioning rod 8 moves downwards continuously, so that the bump 23 extrudes the telescopic spring 26, the positive terminal 24 is contacted with the negative terminal 25 at the moment, one electric wire 16 on the negative terminal 25 is communicated with an external power supply, and the electric wires 16 on the two negative terminals 25 are connected in series, so that the two negative terminals 25 respectively supply power to the electric telescopic shaft 14 through the adjacent positive terminal 24 and the electric wire 16, and the two electric telescopic shafts 14 extend after being powered on, so that the electric telescopic shafts 14 pass through the limiting holes 9 on, then the electric telescopic shaft 14 is butted with the opening at the lower end of the arc-shaped groove 17, so that the purpose of automatically locking the positioning rod 8 is achieved, when the positioning rod 8 is required to be separated from the positioning groove 15, the electric telescopic shaft 14 is still in a power-on state, a button for controlling the contraction of the electric telescopic shaft 14 is connected on the electric wire 16 exposed out of the lower template 2, so that the electric telescopic shaft 14 is separated from the limiting hole 9 by pressing the control button, the upper template 4 is driven by the upper template 3 to move upwards, the positioning rod 8 is driven by the upper template 4 to be separated from the positioning groove 15, the protrusion 23 does not extrude the telescopic spring 26 any more, the positive terminal 24 is separated from the negative terminal 25, the two electric telescopic shafts 14 are also in a power-off state, and compared with the situation that the telescopic state of the electric telescopic shaft 14 is required to be controlled at any time, the operation mode only needs to control the contraction of the electric telescopic shaft 14, thereby the operation is more convenient;

a clamping ring 19 is fixedly connected to the middle end inside the arc-shaped groove 17, a return spring 20 is fixedly connected to the lower end of the clamping ring 19, an arc-shaped block 18 is slidably connected inside the arc-shaped groove 17, a clamping block 21 is connected to the right side of the upper end of the arc-shaped block 18, a jacking block 22 is connected to the right side of the lower end of the arc-shaped block 18, a plurality of electric wires 16 are embedded inside the lower template 2, the arc-shaped block 18 penetrates through the clamping ring 19 and the return spring 20, the arc-shaped block 18 is movably connected with the clamping ring 19 and the return spring 20, the tail end of the return spring 20 is fixedly connected with the jacking block 22, and the clamping block 21 is clamped with the clamping groove;

further, when the electric telescopic shaft 14 extends into the opening at the lower end of the arc-shaped groove 17, the electric telescopic shaft 14 will push the top block 22, so that the top block 22 pushes the arc-shaped block 18 in the arc-shaped groove 17, and the return spring 20 will also be squeezed, the arc-shaped block 18 extends out from the opening at the right side of the upper end of the arc-shaped groove 17, and the clamping block 21 on the arc-shaped block 18 is clamped into the clamping groove 7 on the positioning rod 8, thereby further automatically locking the positioning rod 8, so that the electric telescopic shaft 14 is prevented from being subjected to a large torque force after being inserted into the limiting hole 9, preventing the electric telescopic shaft 14 from being deformed and damaged, prolonging the service life of the electric telescopic shaft 14, further improving the clamping stability of the positioning rod 8 in the positioning groove 15, making the locking effect better, when the positioning rod 8 is separated from the positioning groove 15, the resilience force of the return spring 20 drives the arc-shaped block 18 to contract towards the arc-shaped groove 17, thereby making the, the next time automatic locking and fixing are facilitated.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. The utility model provides a plastic forming die's hasp structure, includes die holder (1), its characterized in that:

the upper end of the lower die holder (1) is fixedly connected with a lower die plate (2) through a screw, an upper die plate (4) is arranged above the lower die plate (2), the upper end of the upper die plate (4) is fixedly connected with an upper die holder (3) through a screw, butt joint grooves (10) are formed in the left side and the right side of the lower end of the upper die plate (4), positioning rods (8) are fixedly connected with the lower ends of the butt joint grooves (10), clamping grooves (7) are formed in the upper ends of the outer sides of the positioning rods (8), limiting holes (9) are formed in the middle of the positioning rods (8), grooves (12) are formed in the bottom ends of the positioning rods (8), forming grooves (5) are formed in the middle of the bottom ends of the upper die plate (4), forming blocks (6) which are in butt joint with the forming grooves (5) are fixedly connected in the middle of the upper end of the lower die plate (2, just butt joint ring (11) with butt joint groove (10) dock mutually, both ends and being located about lower bolster (2) is inside all open constant head tank (15) under butt joint ring (11), just constant head tank (15) bottom middle part homogeneous phase has connect negative terminal (25), constant head tank (15) bottom is located negative terminal (25) left and right sides and all fixes expanding spring (26), and two fixedly connected with lug (23) between expanding spring (26) upper end, lug (23) with recess (12) joint, just lug (23) bottom middle part has connect anodal terminal (24) mutually, both ends and being located two about lower bolster (2) is inside all open between constant head tank (15) have movable chamber (13), just activity chamber (13) inside all fixedly connected with electric telescopic shaft (14), both ends and being located about lower bolster (2) is inside the outside of constant head tank (15) is all opened arc wall (17) ) And, just inside middle-end fixedly connected with snap ring (19) of arc wall (17), snap ring (19) lower extreme fixedly connected with return spring (20), just arc wall (17) inside sliding connection has arc piece (18), arc piece (18) upper end right side has met fixture block (21), just arc piece (18) lower extreme right side has met kicking block (22), lower bolster (2) inside is inlayed and is had a plurality of electric wires (16).

2. The locking structure of a plastic molding die as claimed in claim 1, wherein: the upper end of the positioning groove (15) is an open end, and the positioning rod (8) is clamped with the positioning groove (15).

3. The locking structure of a plastic molding die as claimed in claim 1, wherein: the movable cavity (13) is communicated with the adjacent positioning groove (15), the electric telescopic shaft (14) extends into the positioning groove (15), and the electric telescopic shaft (14) is movably connected with the positioning groove (15).

4. The locking structure of a plastic molding die as claimed in claim 3, wherein: the right side of the upper end and the right side of the lower end of the arc-shaped groove (17) are communicated with the positioning groove (15), the tail end of the electric telescopic shaft (14) is butted with the opening of the right side of the lower end of the arc-shaped groove (17), and the electric telescopic shaft (14) penetrates through the limiting hole (9).

5. The locking structure of a plastic molding die as claimed in claim 1, wherein: the arc-shaped block (18) penetrates through the clamping ring (19) and the return spring (20), the arc-shaped block (18) is movably connected with the clamping ring (19) and the return spring (20), the tail end of the return spring (20) is fixedly connected with the top block (22), and the clamping block (21) is clamped with the clamping groove (7).

6. The locking structure of a plastic molding die as claimed in claim 1, wherein: the depth of the groove (12) is smaller than the height of the bump (23), and the positive terminal (24) and the negative terminal (25) are oppositely arranged.

7. The locking structure of a plastic molding die as claimed in claim 6, wherein: the positive terminal (24) and the negative terminal (25) are respectively connected with the electric wires (16) of different roots, the tail ends of the electric wires (16) on the positive terminal (24) are connected with the adjacent electric telescopic shafts (14), the two electric wires (16) on the negative terminal (25) are arranged in series, and the electric wire (16) on the negative terminal (25) penetrates out of the lower template (2).