CN219968639U - A simple and easy tool for secondary is moulded plastics - Google Patents

Abstract

The utility model discloses a simple jig for secondary injection molding, which comprises a jig seat and a base, wherein the base and the jig seat are assembled through an elastic mechanism, a plurality of placing grooves are formed in the surface of the jig seat, and hard rubber strips are placed in the placing grooves; the tank bottom of standing groove all is equipped with the through-hole, is equipped with the thimble in the through-hole, and the thimble is fixed on the base, takes place relative motion through external force drive base and tool seat between and makes the thimble stretch into the standing groove and realizes ejecting hard rubber strip from the standing groove. According to the utility model, the hard rubber strips can be put into the jig in advance during injection molding, after the production of the last product is finished, the whole jig is directly propped against the corresponding position of the injection molding surface of the die, then the base of the jig is pressed down, the hard rubber strips are ejected out of the jig base through the ejector pins and pushed into the embedded position of the die, so that the rubber strips do not need to be stopped to wait to be put into the die one by one, the production efficiency can be greatly improved, and the production cost is reduced.

Description

A simple and easy tool for secondary is moulded plastics

Technical Field

The utility model relates to the technical field of industrial production jigs, in particular to a jig for assisting in carrying out a secondary injection molding process.

Background

In industrial processes, it is often necessary to subject the product to a two-shot injection molding process to integrate two components, such as a composite cleat for bathroom and toilet applications, which is a typical product. The anti-slip pad is made of soft and hard materials, so that the anti-slip pad has the anti-slip performance and the massage effect of the hard pad, and has the characteristics of softness, good elasticity, convenience in storage and the like of the soft pad, so that the anti-slip pad is popular with a plurality of users. When the product is produced, a small injection molding machine is used for producing hard rubber strips, the produced hard rubber strips are transferred to another machine, the hard rubber strips are put into a product mold one by one, and then soft rubber is injected for the second time. Therefore, the hard rubber strips need to be stopped to be completely filled into the product mould, but the operation of directly filling the rubber strips into the product mould is complicated, the efficiency is low, the continuity of product forming can be seriously affected, the production efficiency is reduced, and the production cost is overhigh.

Disclosure of Invention

Aiming at the defects existing in the prior art, the utility model provides the simple jig for secondary injection molding, which has the advantages of simple structure, more convenient operation, no need of loading adhesive tapes for a long time and the like, and higher production efficiency.

In order to solve the technical problems, the utility model adopts the following technical scheme: a simple and easy tool for secondary is moulded plastics, its characterized in that: the fixture comprises a fixture seat and a base, wherein the base and the fixture seat are assembled into a combined body through an elastic mechanism, and a gap is reserved between the fixture seat and the base in a natural state; a plurality of placing grooves are formed in the surface of the jig seat, and a workpiece to be subjected to secondary injection molding is placed in the placing grooves; the tank bottom of standing groove all is provided with the through-hole, is provided with the thimble in the through-hole, and the thimble is fixed on the base, takes place relative motion through external force drive base and tool seat between and makes the thimble stretch into the standing groove and realizes ejecting the work piece (such as hard glue strip) of waiting the secondary injection moulding from the standing groove.

Further, the elastic mechanism comprises a guide rod and a spring, the head end of the guide rod is fixedly connected with the jig seat, the tail end of the guide rod is movably connected with the base, the spring is sleeved on the guide rod and positioned between the jig seat and the base, and the interval between the base and the jig seat is maintained through the elastic force of the spring.

Further, a plurality of guide ear seats are arranged on the base, and the guide rods penetrate into the guide ear seats through the guide sleeves; the bottom surface of guide ear seat is provided with the stop collar, and the tail end connection of guide bar has the gag lever post, and the gag lever post inserts the stop collar from the bottom surface and guide ear seat is connected with the guide bar to form the limit structure to the guide bar activity process, prevent that the base from breaking away from completely with the guide bar when reseing.

Further, the head end of the guide rod is fixed with the jig seat through the clamp spring, so that the jig seat and the guide rod are kept in a relatively static state.

Further, a plurality of fixed ear seats are arranged on the jig seat, each fixed ear seat is aligned with a guide ear seat up and down, and the head end of the guide rod penetrates into the guide ear seat.

Further, a plurality of placing grooves are arranged on the surface of the jig seat side by side to form a structure capable of placing a plurality of workpieces to be subjected to secondary injection molding.

Further, a plurality of pairs of ejector pins are arranged in each placing groove, and each pair comprises two ejector pins; the tail end of the thimble is fixed on the base through a bottom pad.

Further, the positioning grooves are respectively arranged at the groove wall positions along the placing grooves and are communicated with the placing grooves and used for assisting in positioning the workpiece to be subjected to secondary injection molding.

Preferably, the jig base and the base are made of metal or plastic materials, for example, the jig base is made of plastic, and the base is made of steel materials.

According to the utility model, the hard rubber strips can be put into the jig in advance during injection molding, after the production of the last product is finished, the whole jig is directly propped against the corresponding position of the injection molding surface of the die, then the base of the jig is pressed down, the hard rubber strips are ejected out of the jig base through the ejector pins and pushed into the embedded position of the die, so that the rubber strips do not need to be stopped to wait to be put into the die one by one, the production efficiency can be greatly improved, and the production cost is reduced.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

fig. 2 is a schematic view of another angle structure of the present utility model.

In the figure, 1 is a jig seat, 11 is a placing groove, 12 is a positioning groove, 13 is a fixed ear seat, 2 is a base, 21 is a guide ear seat, 3 is a thimble, 31 is a base cushion, 4 is a guide rod, 5 is a spring, 6 is a guide sleeve, 7 is a clamp spring, 8 is a limit rod, and 9 is a limit sleeve.

Detailed Description

In this embodiment, referring to fig. 1 and 2, the simple jig for secondary injection molding includes a jig base 1 and a base 2, wherein the base 2 and the jig base 1 are assembled into a combined body through an elastic mechanism, so that the base 2 can be pressed down relative to the jig base 1, and a gap is formed between the jig base 1 and the base 2 in a natural state (when the base 2 is not pressed down); a plurality of placing grooves 11 are formed in the surface of the jig base 1, and a workpiece (such as a hard rubber strip) to be subjected to secondary injection molding is placed in the placing grooves 11; the tank bottom of the placing tank 11 is provided with through holes, the through holes are internally provided with ejector pins 3, and the ejector pins 3 are fixed on the base 2. During operation, the whole jig is aligned with the injection molding surface of the mold, after the jig is aligned, the base 2 and the jig seat 1 are driven to move relatively through external force (such as pressing from the bottom surface of the base 2 to the jig seat 2), so that the ejector pins 3 extend into the placing grooves 11, hard rubber strips in the placing grooves 11 can be pushed out from the placing grooves 11, and the hard rubber strips enter the mold, so that all the hard rubber strips can be simultaneously filled into the mold through one operation, one hard rubber strip is not required to be filled into the mold, the efficiency can be greatly improved, and the waiting time of injection molding is reduced.

The elastic mechanism comprises a guide rod 4 and a spring 5, the head end of the guide rod 4 is fixedly connected with the jig seat 1, the tail end of the guide rod 4 is movably connected with the base 2, and the guide rod 4 can extend backwards from the base after the base 2 is pressed. The spring 5 is sleeved on the guide rod 4 and is positioned between the jig base 1 and the base 2, the space between the base 2 and the jig base 1 is maintained through the elasticity of the spring 5, namely, the base 2 is reset through the action of the spring 5 after the base 2 is loosened.

A plurality of guide lugs 21 are arranged on the base 2, and the guide rod 4 penetrates into the guide lugs 21 through the guide sleeve 6; the bottom surface of guide ear seat 21 is provided with stop collar 9, and the tail end connection of guide bar 4 has stop bar 8, and stop bar 8 inserts stop collar 9 and guide ear seat 21 and guide bar 4 from the bottom surface to form the limit structure to guide bar 4 activity process, prevent that base 2 from breaking away from completely with guide bar 4 when reseing.

The head end of the guide rod 4 is fixed with the jig seat 1 through the clamp spring 7, so that the jig seat 1 and the guide rod 4 are kept in a relatively static state.

A plurality of fixed ear seats 13 are arranged on the jig seat 1, each fixed ear seat 13 is aligned with a guide ear seat 21 from top to bottom, and the head end of the guide rod 4 penetrates into the guide ear seat 13.

The plurality of placing grooves 11 are arranged on the surface of the jig base 1 side by side to form a structure capable of placing a plurality of hard rubber strips.

A plurality of pairs of ejector pins 3 are arranged in each placing groove 11, and each pair comprises two ejector pins 3; the tail end of the thimble 3 is fixed on the base 2 through a bottom pad 31.

The positioning grooves 12 are respectively arranged along the groove wall of the placing groove 11, and the positioning grooves 12 are communicated with the placing groove 11 and used for assisting in positioning the hard rubber strips (the two sides of the hard rubber strips can be provided with convex parts so as to be convenient for positioning).

The jig base 1 and the base 2 are made of metal or plastic materials, for example, the jig base 1 is made of plastic, and the base 2 is made of steel materials.

The foregoing detailed description of the utility model has been presented for purposes of illustration and description, but is not intended to limit the scope of the utility model, i.e., the utility model is not limited to the details shown and described.

Claims (9)

1. A simple and easy tool for secondary is moulded plastics, its characterized in that: the fixture comprises a fixture seat and a base, wherein the base and the fixture seat are assembled into a combined body through an elastic mechanism, and a gap is reserved between the fixture seat and the base in a natural state; a plurality of placing grooves are formed in the surface of the jig seat, and a workpiece to be subjected to secondary injection molding is placed in the placing grooves; the bottom of the placing groove is provided with a through hole, a thimble is arranged in the through hole and fixed on the base, and the thimble stretches into the placing groove through relative movement between the base and the jig base driven by external force to push out a workpiece to be subjected to secondary injection molding from the placing groove.

2. The simple jig for secondary injection molding according to claim 1, wherein: the elastic mechanism comprises a guide rod and a spring, the head end of the guide rod is fixedly connected with the jig base, the tail end of the guide rod is movably connected with the base, and the spring is sleeved on the guide rod and is positioned between the jig base and the base.

3. The simple jig for secondary injection molding according to claim 2, wherein: a plurality of guide lug seats are arranged on the base, and the guide rods penetrate into the guide lug seats through the guide sleeves; the bottom surface of guide ear seat is provided with the stop collar, and the tail end connection of guide bar has the gag lever post, and the gag lever post inserts the stop collar from the bottom surface and guide ear seat is connected with the guide bar to form the limit structure to the guide bar activity process.

4. The simple jig for secondary injection molding according to claim 3, wherein: the head end of the guide rod is fixed with the jig seat through the clamp spring.

5. The simple jig for secondary injection molding according to claim 3, wherein: a plurality of fixed ear seats are arranged on the jig seat, each fixed ear seat is aligned with a guide ear seat up and down, and the head end of the guide rod penetrates into the guide ear seat.

6. The simple jig for secondary injection molding according to claim 1, wherein: the plurality of placing grooves are arranged on the surface of the jig seat side by side to form a structure capable of placing a plurality of workpieces to be subjected to secondary injection molding.

7. The simple jig for secondary injection molding of claim 6, wherein: a plurality of pairs of ejector pins are arranged in each placing groove, and each pair comprises two ejector pins; the tail end of the thimble is fixed on the base through a bottom pad.

8. The simple jig for secondary injection molding according to claim 1, wherein: and positioning grooves are respectively arranged at the groove wall positions along the placing grooves and are communicated with the placing grooves.

9. The simple jig for secondary injection molding according to claim 1, wherein: the jig seat and the base are made of metal or plastic materials.