CN208118335U - A self-locking structure of front mold slider - Google Patents

Abstract

The utility model relates to the technical field of injection molds, in particular to a front mold slide block self-locking structure, which comprises a front mold slide block, a chicken shovel connected with the front mold slide block in a sliding way and an oil cylinder used for driving the chicken shovel to slide linearly, the upper end and the lower end of the chicken shovel are both provided with a slide rail, the left end of the chicken shovel is provided with a connecting groove, a piston rod of the oil cylinder is provided with a connecting block, the connecting block is arranged in a connecting groove of the chicken shovel, the chicken shovel is also provided with two communicating grooves which are respectively positioned at the upper end and the lower end of the connecting groove, the two communicating grooves are both provided with a locking block, the slide rail is provided with the draw-in groove that is used for blocking the locking piece, the upper and lower both ends of connecting block are provided with and are used for pushing the lug in the draw-in groove with the locking piece, the utility model discloses a push the auto-lock of realizing the front mould slider in the draw-in groove with the locking piece, prevent effectively that the front mould slider from moving backward, avoid just opening injection mold when the product is not fashioned.

Description

A self-locking structure of front mold slider

technical field

The utility model relates to the technical field of injection molds, in particular to a self-locking structure of a front mold slider.

Background technique

Injection molds have been widely used in the field of industrial product production. Injection molds are parts that give shape and size to plastics during molding; although the structure of the mold is due to the variety and performance of plastics, the shape and structure of plastic products, and the structure of injection machines Different types may vary, but the basic structure is the same; the mold is mainly composed of three parts: gating system, molding parts and structural parts, among which the gating system and molding parts are the parts that are in direct contact with the plastic and change with the plastic and the product. It is the most complex part of the mold, the most varied, and requires the highest processing finish and precision; the gating system refers to the part of the flow path before the plastic enters the cavity from the nozzle, including the main flow path, cold material cavity, runner and gate, etc. ; Molded parts refer to various parts that make up the shape of the product, including moving molds, fixed molds and cavities, cores, molding rods, and exhaust ports.

The PL surface of the injection mold (the joint surface of the front mold and the rear mold) can be opened by pulling the front mold slider away through the oil cylinder. At present, some injection molds with a large glue area cannot be pressed by the force of the oil cylinder during the injection molding process. The front mold slider will cause the front mold slider to retreat, and the injection mold will be opened when the product is not formed.

Therefore urgently need a kind of self-locking structure that can lock the front mold slide block when injection moulding.

Contents of the invention

The purpose of this utility model is to provide a self-locking structure of the front mold slider for the deficiencies of the prior art. The utility model realizes the self-locking of the front mold slider by pushing the lock block into the card slot, effectively preventing the front mold slider from Step back to avoid opening the injection mold while the product is not formed.

The utility model is realized through the following technical scheme, a self-locking structure of a front mold slider, including a front mold slider, a shovel connected to the front mold slider and an oil cylinder for driving the shovel to slide linearly. The upper and lower ends of the shovel are provided with slide rails, the left end of the shovel is provided with a connecting groove, the piston rod of the oil cylinder is provided with a connecting block, and the connecting block is arranged in the connecting groove of the shovel. The shovel chicken is also provided with two communication grooves, the two communication grooves are respectively located at the upper and lower ends of the connection groove, lock blocks are arranged in the two communication grooves, and the slide rails are provided with locking blocks for blocking the lock blocks. The card slot, the upper and lower ends of the connecting block are provided with projections for pushing the lock block into the card slot.

Preferably, the right end of the shovel chicken is provided with a first sliding slope, the front mold slider is provided with a second sliding slope, and the first sliding slope is slidably connected to the second sliding slope.

Preferably, the connection groove is provided with an opening for the connection block to protrude into, and a stopper for preventing the connection block from coming off is provided at the opening.

Preferably, the protrusion is provided with a third sliding slope, one end of the locking block is provided with a fourth sliding slope, and the third sliding slope is slidably connected to the fourth sliding slope.

Preferably, the protrusion is further provided with a sliding surface, and the sliding surface is slidably connected with the groove wall of the connecting groove.

Beneficial effects of the utility model: a self-locking structure of a front mold slider, comprising a front mold slider, a shovel slidably connected with the front mold slider, and an oil cylinder for driving the shovel to slide linearly, the upper and lower sides of the shovel Both ends are provided with slide rails, the left end of the shovel chicken is provided with a connecting groove, the piston rod of the oil cylinder is provided with a connecting block, and the connecting block is arranged in the connecting groove of the shovel chicken, and the shovel chicken is also provided with a Two communication grooves, the two communication grooves are respectively located at the upper and lower ends of the connection groove, lock blocks are arranged in the two communication grooves, the slide rail is provided with a slot for locking the lock block, the The upper and lower ends of the connection block are provided with protrusions for pushing the lock block into the slot. The connection block is set in the connection slot of the shovel, and the oil cylinder pushes the shovel to slide. When it moves to the slot of the slide rail, it is connected The locking block in the slot will be pushed into the slot and snapped into the slot to realize the self-locking of the slider of the front mold, effectively prevent the slider of the front mold from going backwards, and avoid opening the injection mold when the product is not formed.

Description of drawings

Fig. 1 is a three-dimensional structure schematic diagram of the present utility model.

Fig. 2 is a schematic diagram of an exploded structure of the utility model.

Fig. 3 is a structural schematic diagram of the mating state of the connecting block, the locking block and the card slot of the utility model.

Detailed ways

Below in conjunction with accompanying drawing 1 to accompanying drawing 3, and specific embodiment, the utility model is described further.

As shown in Figures 1 to 3, a front mold slider self-locking structure includes a front mold slider 1, a shovel 2 slidingly connected with the front mold slider 1, and an oil cylinder 3 for driving the shovel 2 to slide linearly , the upper and lower ends of the shovel 2 are provided with slide rails 4, the left end of the shovel 2 is provided with a connecting groove 21, the piston rod of the oil cylinder 3 is provided with a connecting block 5, and the connecting block 5 is arranged on In the connection groove 21 of the shovel chicken 2, the shovel chicken 2 is also provided with two communication grooves 22, and the two communication grooves 22 are respectively located at the upper and lower ends of the connection groove 21, and the two communication grooves 22 are all provided with There is a locking block 6 , the slide rail 4 is provided with a slot 41 for locking the locking block 6 , and the upper and lower ends of the connecting block 5 are provided with protrusions 51 for pushing the locking block 6 into the slot 41 .

In this embodiment, the connection block 5 is arranged in the connection groove 21 of the shovel 2, and the oil cylinder 3 pushes the shovel 2 to drive the front mold slider 1 to slide. Block 6 can be pushed into the draw-in groove 41, and engages with draw-in groove 41, realizes the self-locking of front mold slide block 1, effectively prevents front mold slide block 1 from retreating, and avoids opening the injection mold when the product is not formed.

In this embodiment, the right end of the shovel 2 is provided with a first sliding slope 23, and the front mold slider 1 is provided with a second sliding slope 11, and the first sliding slope 23 is slidably connected with the second sliding slope 11. , the oil cylinder 3 promotes the shovel 2 to drive the front mold slider 1 to slide.

In this embodiment, the connection groove 21 is provided with an opening for the connection block 5 to protrude into, and the opening is provided with a stopper 211 for preventing the connection block 5 from detaching.

In this embodiment, the protrusion 51 is provided with a third sliding slope 511, and one end of the lock block 6 is provided with a fourth sliding slope 61, and the third sliding slope 511 is slidably connected to the fourth sliding slope 61. , through the sliding fit between the third sliding slope 511 and the fourth sliding slope 61 , the protruding block 51 pushes the locking block 6 into the locking slot 41 to engage with the locking slot 41 .

In this embodiment, the bump 51 is also provided with a sliding surface 512, and the sliding surface 512 is slidably connected with the groove wall of the connecting groove 21. The wall slides back, and the lock block 6 loses the thrust of the projection 51, and withdraws from the locking groove 41 under the action of the groove wall of the communication groove 22, thereby releasing the self-locking.

The above content is only a preferred embodiment of the present utility model. For those of ordinary skill in the art, according to the idea of the present utility model, there will be changes in the specific implementation and scope of application. The content of this specification should not be understood as Limitations on the Invention.

Claims (5)

1. a kind of front mold slide self-locking structure, including front mold slide, the shovel chicken being slidably connected with front mold slide and for driving shovel The oil cylinder of chicken linear slide, it is characterised in that：The upper and lower ends of the shovel chicken are provided with sliding rail, the left end setting of the shovel chicken There is link slot, the piston rod of the oil cylinder is provided with link block, and the link block is set in the link slot of shovel chicken, the shovel chicken It also sets up there are two connectivity slot, two connectivity slots are located at the upper and lower ends of link slot, in two connectivity slots It is provided with closing piece, the sliding rail is provided with the card slot for blocking closing piece, and the upper and lower ends of the link block are provided with for inciting somebody to action Closing piece is pushed into the convex block in card slot.

2. a kind of front mold slide self-locking structure according to claim 1, it is characterised in that：The right end of the shovel chicken is provided with First sliding bevel, the front mold slide are provided with the second sliding bevel, and first sliding bevel and the second sliding bevel are sliding Dynamic connection.

3. a kind of front mold slide self-locking structure according to claim 1, it is characterised in that：The link slot is provided with for even The opening that block protrudes into is connect, the opening is provided with the block for preventing link block to be detached from.

4. a kind of front mold slide self-locking structure according to claim 1, it is characterised in that：It is sliding that the convex block is provided with third Dynamic inclined-plane, one end of the closing piece are provided with the 4th sliding bevel, and the third sliding bevel and the 4th sliding bevel are sliding Dynamic connection.

5. a kind of front mold slide self-locking structure according to claim 1, it is characterised in that：The convex block is additionally provided with sliding The cell wall of face, the sliding surface and link slot is slidably connected.