Mould locking piston rod for mould locking mechanism

Abstract

The utility model discloses a mold locking piston rod for a mold locking mechanism, which comprises a piston rod, one end of the piston rod is connected with a movable mold block, and the piston rod is provided with a convex block and an annular groove; the outer side of the protruding block is connected with a fixing plate. An annular plate is clamped on the outer side of the annular groove; the outer side wall and the two ends of the annular plate are all connected with sleeves. The diameters of the outer walls of the sleeves are the same; the sleeve close to one end of the fixing plate is tightly attached to the fixing plate. And the sleeve, the fixed plate and the movable module are fixedly connected in sequence through bolts. According to the utility model, the mold locking piston rod is connected with the movable mold block in an inserting manner, and the sleeve and the fixed plate are arranged on the outer side of the piston rod, so that the sleeve and the fixed plate are in bolted connection with the movable mold block and are convenient to disassemble, assemble and replace; the diagonal plane is arranged at the end of the piston rod, the stress direction of the piston rod and the movable module is increased, damage to the end of the piston rod is avoided, and the service life of the piston rod is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of mold locking piston rods, in particular to a mold locking piston rod used in a mold locking mechanism. Background Art

[0002] In the production process of product molding, it is often necessary to use a clamping mechanism to lock the relevant devices. The clamping piston rod in the existing clamping mechanism is usually directly fixedly connected to the moving module through a thread. During the movement of the clamping piston rod, the thread contact will cause wear, resulting in a loose connection, which affects the normal use of the clamping mechanism. Utility Model Content

[0003] The utility model aims to solve the problems in the prior art and proposes a mold locking piston rod for a mold locking mechanism.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A locking piston rod for a locking mechanism, comprising a piston rod, one end of the piston rod is connected to a moving module, the piston rod is provided with a protrusion and an annular groove; the outer side of the protrusion is connected to a fixed plate; the outer side of the annular groove is clamped with an annular plate; the outer side wall and both ends of the annular plate are connected to sleeves; and the outer walls of the sleeves have the same diameter; the sleeve near one end of the fixed plate is tightly fitted with the fixed plate; and the sleeve, fixed plate and moving module are fixedly connected in sequence by bolts.

[0006] Preferably, the end of the piston rod close to the moving module is provided with a chamfered surface; the moving module is provided with a connecting groove matching the end of the piston rod; and the end of the piston rod is inserted into the connecting groove.

[0007] Preferably, the projection is annular and is disposed between the annular groove and the chamfered surface; the distance between the projection and the end of the piston rod matches the depth of the connecting groove.

[0008] Preferably, the inner side of the fixing plate fits with the outer wall of the protrusion; and the side surface of the fixing plate fits with the side surface of the moving module; a plurality of threaded holes are provided on the fixing plate; and the fixing plate is fixedly connected to the moving module by bolts.

[0009] Preferably, one end of the piston rod away from the moving module is connected to a cylinder.

[0010] Compared with the prior art, the utility model provides a clamping piston rod for a clamping mechanism, which has the following beneficial effects:

[0011] The mold locking piston rod used for the mold locking mechanism is connected to the moving module by plugging the mold locking piston rod, and a sleeve and a fixing plate are arranged on the outer side of the piston rod, so that the sleeve and the fixing plate are connected with the moving module bolts, which is convenient for disassembly and replacement when the connection is damaged; and a chamfered surface is arranged at the end of the piston rod to increase the force direction of the piston rod and the moving module, avoid damage to the end of the piston rod, and increase the service life of the piston rod.

[0012] The parts not involved in the device are the same as the existing technology or can be implemented by using the existing technology. The utility model has a simple structure and is easy to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural schematic diagram of the utility model;

[0014] Figure 2 For this utility model Figure 1 Schematic diagram of the local structure in;

[0015] Figure 3 It is a structural schematic diagram of the dynamic module in the utility model.

[0016] In the figure: 1 piston rod, 11 convex block, 12 annular groove, 13 chamfered surface, 2 moving module, 21 connecting groove, 31 fixing plate, 32 annular plate, 33 sleeve, 4 oil cylinder. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0018] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0019] Reference Figure 1-3A locking piston rod for a locking mechanism comprises a piston rod 1, one end of the piston rod 1 is connected to a moving module 2, and a protrusion 11 and an annular groove 12 are provided on the piston rod 1; a fixing plate 31 is connected to the outer side of the protrusion 11; an annular plate 32 is clamped on the outer side of the annular groove 12; a sleeve 33 is connected to the outer wall and both ends of the annular plate 32; and the outer walls of the three sleeves 33 have the same diameter; the sleeve 33 near one end of the fixing plate 31 is tightly fitted with the fixing plate 31; and the sleeve 33, the fixing plate 31 and the moving module 2 are fixedly connected in sequence by bolts.

[0020] The end of the piston rod 1 close to the movable module 2 is provided with a chamfered surface 13; the movable module 2 is provided with a connecting groove 21 matching the end of the piston rod 1; the end of the piston rod 1 is inserted into the connecting groove 21; the protrusion 11 is annular and is arranged between the annular groove 12 and the chamfered surface 13; the distance between the protrusion 11 and the end of the piston rod 1 matches the depth of the connecting groove 21.

[0021] The inner side of the fixing plate 31 is in contact with the outer wall of the protrusion 11 ; and the side surface of the fixing plate 31 is in contact with the side surface of the moving module 2 ; a plurality of threaded holes are provided on the fixing plate 31 ; and the fixing plate 31 is fixedly connected to the moving module 2 by bolts.

[0022] One end of the piston rod 1 away from the moving module 2 is connected to the oil cylinder 4 .

[0023] When in use, the annular plate 32, the sleeve 33 and the fixed plate 31 are inserted into the piston rod 1, and the sleeve 33 and the fixed plate 31 are fixedly connected by bolts, and one end of the chamfered surface 13 of the piston rod 1 is inserted into the connecting groove 21, and then the fixed plate 31 is bolted to the movable module 2; the locking piston rod 1 is connected to the movable module 2 by plugging, and the sleeve 33 and the fixed plate 31 are arranged on the outer side of the piston rod 1, so that the sleeve 33 and the fixed plate 31 are bolted to the movable module 2, which is convenient for disassembly, assembly and replacement; and the chamfered surface 13 is arranged at the end of the piston rod 1 to increase the force direction of the piston rod 1 and the movable module 2, thereby avoiding damage to the end of the piston rod 1 and increasing the service life of the piston rod 1.

[0024] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A mold locking piston rod for a mold locking mechanism, comprising a piston rod (1), one end of the piston rod (1) being connected to a moving module (2), characterized in that: The piston rod (1) is provided with a protrusion (11) and an annular groove (12); the outer side of the protrusion (11) is connected to a fixed plate (31); the outer side of the annular groove (12) is clamped with an annular plate (32); the outer side wall and both ends of the annular plate (32) are connected to sleeves (33); and the outer wall diameters of the sleeves (33) are the same; the sleeve (33) close to one end of the fixed plate (31) is tightly fitted with the fixed plate (31); and the sleeve (33), the fixed plate (31) and the dynamic module (2) are fixedly connected in sequence by bolts.

2. A mold locking piston rod for a mold locking mechanism according to claim 1, characterized in that: The end of the piston rod (1) close to the movable module (2) is provided with a beveled surface (13); the movable module (2) is provided with a connecting groove (21) matching the end of the piston rod (1); and the end of the piston rod (1) is inserted into the connecting groove (21).

3. The mold locking piston rod for a mold locking mechanism according to claim 2, characterized in that: The projection (11) is annular and is arranged between the annular groove (12) and the beveled surface (13); the distance between the projection (11) and the end of the piston rod (1) matches the depth of the connecting groove (21).

4. The mold locking piston rod for a mold locking mechanism according to claim 1, characterized in that: The inner side of the fixing plate (31) is in contact with the outer wall of the protrusion (11); and the side surface of the fixing plate (31) is in contact with the side surface of the moving module (2); a plurality of threaded holes are provided on the fixing plate (31); and the fixing plate (31) is fixedly connected to the moving module (2) by bolts.

5. The mold locking piston rod for a mold locking mechanism according to claim 1, characterized in that: One end of the piston rod (1) away from the moving module (2) is connected to an oil cylinder (4).

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