CN211194765U - A corrugated electric tool handle mold - Google Patents

Abstract

The utility model relates to the technical field of dies, in particular to a corrugated electric tool handle die, which solves the defects of low processing precision and short service life in the prior art, and comprises a base and a top plate, wherein the top of the base is fixedly provided with a die pin through a screw, the top of the die pin is connected with a lower die through a hexagon screw, the bottom of the top plate is fixedly connected with an upper die through a countersunk bolt, two sides of the upper die are both fixedly provided with side plates through screws, the bottom of the side plates is fixedly provided with a pressure rod through a nut bolt, the upper die drives the pressure rods on two sides to move downwards when the die is closed, the ejector rod is driven by a link mechanism to slide upwards, and after the die is completely closed, the ejector rod props the upper die to ensure that the upper die and the lower die are in a virtual pressure state, so as to eliminate the pressure between the upper die and the lower die, further reduce the stress that produces in the mould, prolong the life of mould.

Description

A corrugated electric tool handle mold

technical field

The utility model relates to the technical field of molds, in particular to a corrugated electric tool handle mold.

Background technique

Molds, various molds and tools used in industrial production to obtain the desired products by injection molding, blow molding, extrusion, die casting or forging, smelting, stamping, etc. In short, molds are tools used to make molded articles , This tool is composed of various parts, and different molds are composed of different parts. It mainly realizes the processing of the shape of the item through the change of the physical state of the molded material.

The injection mold for corrugated power tool handles on the market has low processing accuracy. When impurities are mixed in the guide device, the upper and lower molds are prone to offset, which in turn affects the corrugated shape of the handle, and the upper mold is closed after the mold is closed. If the mold is pressed on the lower mold, the pressure between the molds is too large, and stress is easily generated inside the mold, which shortens the service life of the mold.

Utility model content

The purpose of the utility model is to propose a corrugated electric tool handle mold in order to solve the shortcomings of low machining precision and short service life in the prior art.

In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions:

A corrugated electric tool handle mold includes a base and a top plate, the top of the base is fixed with a die foot by screws, the top of the die foot is connected with a lower die by hexagonal screws, and the bottom of the top plate is fixed by countersunk bolts The upper die is connected, the two sides of the upper die are fixed with side plates by screws, and the bottom of the side plates is fixed with pressure rods through nuts and bolts, the pressure rods are slidably arranged on both sides of the lower die, and the pressure rods are The other end of the connecting rod is hinged with a connecting rod, the other end of the connecting rod is hinged with a rotating rod, and the other end of the rotating rod is hinged with an ejector rod, the ejector rod is slidably arranged on the front side of the lower die, and the ejector rod A tapered head is welded on the end of the lower die, and tapered grooves symmetrically arranged and matched with the tapered head are opened at the bottom of the lower die.

Preferably, the upper mold and the lower mold are disposed opposite to each other.

Preferably, the top of the lower die is connected with guide posts by bolts, the upper die is provided with symmetrically arranged through holes, the interior of the through holes is fixed with a guide sleeve by screws, and the guide posts are assembled on the guide sleeve internal.

Preferably, symmetrically arranged first guide blocks and second guide blocks are fixed on both sides and the front side of the lower die in turn by screws, and first guide blocks are respectively provided inside the first guide block and the second guide block. A hole and a second guide hole, the pressing rod and the ejector rod are respectively slidably connected with the inside of the first guide hole and the second guide hole.

Preferably, the front side of the die foot is connected with a fixing seat by screws, and the rotating rod is articulated with one side of the fixing seat.

The beneficial effects of the present utility model are:

1. In the present utility model, through the setting of structures such as taper grooves and taper heads, when the upper die and the lower die are closed, the taper heads will be embedded in the taper grooves to locate the clamping positions of the upper die and the lower die to avoid The mold clamping offset is improved, the machining accuracy is improved, and the corrugated shape of the handle is facilitated.

2. In the present utility model, through the arrangement of the pressure rod, the first guide block, the second guide block, the connecting rod, the rotating rod and other structures, when the mold is closed, the upper mold will drive the pressure rods on both sides to move down, The linkage mechanism drives the ejector rod to slide upward. After the mold is fully closed, the ejector rod will hold the upper mold, so that the upper mold and the lower mold are in a state of virtual pressure, which eliminates the pressure between the upper and lower molds and further reduces the The stress generated inside the mold prolongs the service life of the mold.

Description of drawings

Fig. 1 is the front view of a kind of corrugated electric tool handle mould proposed by the utility model;

Fig. 2 is a schematic diagram of a corrugated electric tool handle mold after the rear mold proposed by the utility model.

In the picture: 1 base, 2 die feet, 3 lower die, 4 guide post, 5 top plate, 6 upper die, 7 side plate, 8 pressure rod, 9 first guide block, 10 taper groove, 11 second guide block, 12 Connecting rod, 13 fixed seat, 14 taper head, 15 ejector rod, 16 rotating rod.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example.

1-2, a corrugated power tool handle mold includes a base 1 and a top plate 5, the top of the base 1 is fixed with a die 2 by screws, and the top of the die 2 is connected with a lower die 3 by hexagonal screws, The bottom of the top plate 5 is fixedly connected to the upper die 6 through countersunk bolts, and both sides of the upper die 6 are fixed with side plates 7 by screws. Both sides of the mold 3, and the other end of the pressure rod 8 is hinged with a connecting rod 12, the other end of the connecting rod 12 is hinged with a rotating rod 16, and the other end of the rotating rod 16 is hinged with a push rod 15, and the push rod 15 slides It is arranged on the front side of the lower die 3, and the end of the ejector rod 15 is welded with a taper head 14. The bottom of the lower die 3 is provided with a tapered groove 10 that is symmetrically arranged and matched with the taper head 14. Through the taper groove 10, the taper head 14 When the upper mold 6 and the lower mold 3 are closed, the taper head 14 will be embedded in the taper groove 10 to locate the mold clamping positions of the upper mold 6 and the lower mold 3 to avoid mold clamping offset. , to improve the machining accuracy and facilitate the corrugated molding of the handle. 6 will drive the pressing rods 8 on both sides to move down, and the top rod 15 will slide upwards driven by the link mechanism. In a virtual pressure state, the pressure between the upper and lower molds is eliminated, the stress generated inside the mold is further reduced, and the service life of the mold is prolonged. The guide post 4 and the upper die 6 are provided with symmetrically arranged through holes, the inside of the through hole is fixed with a guide sleeve by screws, the guide post 4 is assembled inside the guide sleeve, and the two sides and the front side of the lower die 3 are sequentially fixed by screws There are symmetrically arranged first guide blocks 9 and second guide blocks 11, first guide holes and second guide holes are respectively opened inside the first guide blocks 9 and second guide blocks 11, and the pressing rod 8 and the top rod 15 are respectively In sliding connection with the inside of the first guide hole and the second guide hole, the front side of the die foot 2 is connected with a fixed seat 13 by screws, and the rotating rod 16 is hinged with one side of the fixed seat 13 .

In this embodiment, when the equipment is in use, the top plate 5 is fixedly connected with the moving template of the injection molding machine, and the upper mold 6 is driven by the driving mechanism on the injection molding machine to slide on the guide post 4. The injection molding machine is the prior art, here It will not be repeated here. When the driving mechanism pushes the upper die 6 to slide downward, the upper die 6 drives the side plates 7 and the pressing rods 8 on both sides to move downward at the same time, and the pressing rods 8 slide along the first guide block 9. The end portion presses down the connecting rod 12 to rotate, and when it is pressed to the limit of the connecting rod 12, the connecting rod 12 drives the end of the rotating rod 16 to rotate downward around the fulcrum on the fixed seat 13, and the other side of the rotating rod 16 rotates downward. One end is rotated upward to drive the ejector rod 15 to slide upward along the second guide block 11. When the mold clamping is completed, the upper mold 6 and the lower mold 3 are closed, and the taper head 14 is just embedded in the taper groove 10. The clamping position of the mold 3 is accurate, and at the same time, under the thrust of the ejector pin 15, the upper mold 6 is kept in a position where the upper mold 6 is vacantly pressed against the lower mold 3, so as to reduce the pressure between the molds, thereby eliminating the stress generated inside the mold and prolonging the service life.

The above description is only a preferred embodiment of the present invention, but the protection scope of the present invention is not limited to this. Equivalent replacement or modification of the new technical solution and its utility model concept shall be included within the protection scope of the present utility model.

Claims (5)

1. A corrugated power tool handle mold, comprising a base (1) and a top plate (5), characterized in that the top of the base (1) is fixed with a die foot (2) by screws, and the die foot (2) ) is connected with a lower die (3) through hexagonal screws, the bottom of the top plate (5) is fixedly connected with an upper die (6) through countersunk bolts, and both sides of the upper die (6) are fixed with screws. The side plate (7), the bottom of the side plate (7) is fixed with a pressure rod (8) through nuts and bolts, the pressure rod (8) is slidably arranged on both sides of the lower die (3), and the pressure rod (8) A connecting rod (12) is articulated at the other end of the connecting rod (12), a rotating rod (16) is articulated at the other end of the connecting rod (12), and a top rod (15) is articulated at the other end of the rotating rod (16). , the top rod (15) is slidably arranged on the front side of the lower die (3), and the end of the top rod (15) is welded with a tapered head (14), and the bottom of the lower die (3) is provided with symmetrically arranged and Taper groove (10) to match taper head (14). 2 . The corrugated electric tool handle mold according to claim 1 , wherein the upper mold ( 6 ) and the lower mold ( 3 ) are disposed opposite to each other. 3 . 3. A corrugated electric tool handle mold according to claim 1, characterized in that, the top of the lower mold (3) is connected with a guide post (4) by bolts, and the upper mold (6) is provided with a guide post (4). There are symmetrically arranged through holes, a guide sleeve is fixed inside the through hole by screws, and the guide post (4) is assembled inside the guide sleeve. 4. A corrugated electric tool handle mold according to claim 1, characterized in that, symmetrically arranged first guide blocks (9) are sequentially fixed by screws on both sides and front side of the lower mold (3) and the second guide block (11), the inside of the first guide block (9) and the second guide block (11) are respectively provided with a first guide hole and a second guide hole, the pressure rod (8) and the top The rods (15) are respectively slidably connected with the insides of the first guide hole and the second guide hole. 5. A corrugated electric tool handle mold according to claim 1, characterized in that, the front side of the mold foot (2) is connected with a fixing seat (13) by screws, and the rotating rod (16) is connected with One side of the fixed seat (13) is hinged.

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