CN211441036U - Heating structure of plastic mould for socket production - Google Patents

Abstract

The utility model relates to a socket production technical field just discloses a heating structure of plastic mould for socket production, roof and bottom plate including the upper and lower level setting, the equal fixedly connected with vertical hydraulic stem of upper end four corners department of bottom plate, it is a plurality of the piston rod end of hydraulic stem respectively with the lower extreme four corners department fixed connection of roof, the equal fixedly connected with matched with of upper end center department of roof and bottom plate goes up mould and lower mould, the fixed intercommunication of upside outer wall center department of going up the mould has the pipe of moulding plastics, the upper end of the pipe of moulding plastics runs through the lower extreme of roof and extends to the upside of roof, the inside of going up mould and lower mould has seted up toroidal cavity, two toroidal cavity's inboard chamber wall all encircles fixedly and is provided with the heater strip. The utility model discloses not only can be even heat the mould, improved the mould yields, be convenient for moreover carry out the pressure release to the too high pressure of die cavity.

Description

Heating structure of plastic mould for socket production

Technical Field

The utility model relates to a socket production technical field especially relates to a socket production is with heating structure of plastic mould.

Background

The mold heating structure is a structure or equipment for heating a mold, the mold heating mode generally comprises electric heating, the electric heating enables the heating temperature to be easily adjusted, and the application is most extensive; steam heating, wherein the steam heating temperature is quickly increased and the temperature is easily kept constant; the hot water heating mode has high heat transfer efficiency; the hot oil heating is generally used for initial heating and heat preservation heating of large molds.

The heating structure of the existing plastic mold for socket production is poor in heating effect, temperature in a mold cavity is not convenient to keep constant, and pressure relief is not convenient for excessive pressure in the mold cavity, so that the heating structure of the plastic mold for socket production is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the heating effect is not good among the prior art, the temperature is invariable in the mould cavity of being not convenient for make, and the too high pressure of mould cavity of being not convenient for carries out the pressure release, and the heating structure of plastic mould is used in socket production that provides.

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

a heating structure of a plastic mold for producing a socket comprises a top plate and a bottom plate which are horizontally arranged from top to bottom, wherein vertical hydraulic rods are fixedly connected at four corners of the upper end of the bottom plate, the tail ends of piston rods of the hydraulic rods are fixedly connected with four corners of the lower end of the top plate respectively, an upper mold and a lower mold which are matched with each other are fixedly connected at the center of the lower end of the top plate and the center of the upper end of the bottom plate, an injection molding pipe is fixedly communicated with the center of the outer wall of the upper side of the upper mold, the upper end of the injection molding pipe penetrates through the lower end of the top plate and extends to the upper side of the top plate, annular cavities are symmetrically arranged in the upper mold and the lower mold around a mold cavity, heating wires are fixedly arranged on the inner side cavity walls of the two annular cavities in a surrounding manner, connecting pipes are symmetrically and communicated with the bottoms of the left side and, two equal vertical connecting hole of having seted up between the tank bottom center department of draw-in groove and the upside chamber wall that is located the toroidal cavity of downside, the fixed intercommunication of right side outer wall of last mould has the inlet tube, the vertical pressure release hole of having seted up of both ends symmetry about the upside inner wall of last mould, the through-hole, two have all been seted up with the position department of correspondence in two pressure release holes to the lower extreme of roof the inside of through-hole is all fixed pressure relief mechanism that is provided with.

Preferably, the pressure relief mechanism comprises a conical block, a movable rod, two fixed rods, two sliding blocks, two springs and two connecting rods, the inner edge of the opening of the upper side hole wall of the through hole is provided with a conical groove, the conical block is arranged inside the conical groove, the movable rod is vertically arranged inside the through hole, the upper end of the movable rod is fixedly connected with the lower end of the conical block, the wall of the left side and the right side of the through hole is symmetrically provided with sliding chutes, the two fixed rods are respectively and fixedly connected with the two sliding chutes, the two sliding blocks are respectively and slidably sleeved with the lower side rod walls of the two fixed rods, one end of each connecting rod is respectively and horizontally fixedly connected with the side wall of one side of the two sliding blocks which is opposite to the side wall, and the opposite ends of the two connecting rods are fixedly connected with the rod walls of the movable rods, and the springs are movably sleeved at the upper sides of the two sliding blocks respectively with the rod walls of the two fixed rods.

Preferably, the groove wall of the tapered groove is fixedly connected with a tapered rubber ring.

Preferably, the lower end edge of the outer pipe wall of each of the two connecting pipes is provided with a chamfer.

Preferably, two equal fixedly connected with rubber circle in the tank bottom of draw-in groove, two the lower extreme of connecting pipe all offsets with the upper end of the rubber circle that corresponds and sets up.

Preferably, the four corners of the bottom plate are fixedly connected with supporting blocks.

Compared with the prior art, the utility model provides a socket production is with heating structure of plastic mould possesses following beneficial effect:

1. the heating structure of the plastic mold for producing the socket is convenient for relieving the pressure of the overhigh pressure in the mold cavity through the arranged pressure relief mechanism;

2. this heating structure of plastic mould is used in socket production, through heater strip, toroidal cavity, connecting pipe and the inlet tube that is equipped with, can be even heats the mould, improved the mould yields.

The part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses not only can be even heat the mould, improved the mould yields, be convenient for moreover carry out the pressure release to the too high pressure of die cavity.

Drawings

Fig. 1 is a schematic structural view of a heating structure of a plastic mold for producing a socket according to the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

fig. 3 is an enlarged view of a portion B in fig. 1.

In the figure: 1 heater strip, 2 inlet tubes, 3 injection molding pipes, 4 top plates, 5 upper dies, 6 hydraulic rods, 7 lower dies, 8 bottom plates, 9 movable rods, 10 fixed rods, 11 sliding blocks, 12 springs, 13 conical blocks, 14 connecting pipes and 15 connecting rods.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a heating structure of plastic mould for socket production, roof 4 and bottom plate 8 that the level set up from top to bottom including, the equal fixedly connected with vertical hydraulic stem 6 in upper end four corners department of bottom plate 8, the piston rod end of a plurality of hydraulic stem 6 respectively with the lower extreme four corners department fixed connection of roof 4, the equal fixedly connected with matched with of last mould 5 and lower mould 7 in lower extreme center department of roof 4 and the upper end center department of bottom plate 8, it has injection molding pipe 3 to go up fixed intercommunication in upside outer wall center department of mould 5, the upper end of injection molding pipe 3 runs through the lower extreme of roof 4 and extends to the upside of roof 4, the inside of going up mould 5 and lower mould 7 has seted up the toroidal cavity around the die cavity symmetry, the inboard chamber wall of two toroidal cavity all encircles and is fixed heater strip 1 that is provided with, the left and right sides bottom symmetry fixed intercommunication that is located the toroidal cavity of upside has connecting pipe 14, the left and right sides A groove, connecting holes are vertically arranged between the center of the bottom of the two clamping grooves and the upper side cavity wall of the annular cavity at the lower side, the right side outer wall of the upper die 5 is fixedly communicated with a water inlet pipe 2, pressure relief holes are symmetrically and vertically arranged at the left end and the right end of the upper side inner wall of the upper die 5, through holes are arranged at the lower end of the top plate 4 and the positions corresponding to the two pressure relief holes, pressure relief mechanisms are fixedly arranged in the two through holes, each pressure relief mechanism comprises a conical block 13, a movable rod 9, two fixed rods 10, two sliders 11, two springs 12 and two connecting rods 15, a conical groove is arranged at the inner edge of the upper side hole wall opening of each through hole, the conical block 13 is arranged in the conical groove, the movable rod 9 is vertically arranged in the through holes, the upper end of the movable rod 9 is fixedly connected with the lower end of the conical block 13, sliding grooves, two sliders 11 cup joint with the lower side pole wall of two dead levers 10 respectively in a sliding manner, the one end of two connecting rods 15 respectively with the horizontal fixed connection of lateral wall of the relative one side of two sliders 11, and the relative one end of two connecting rods 15 all with the pole wall fixed connection of movable rod 9, two springs 12 cup joint with the upside department activity that the pole wall of two dead levers 10 is located two sliders 11 respectively, the cell wall fixedly connected with toper rubber ring of bell jar, the chamfer has all been seted up to two connecting pipe 14's outer pipe wall lower extreme edge, the equal fixedly connected with rubber circle in tank bottom of two draw-in grooves, the lower extreme of two connecting pipe 14 all offsets with the upper end of the rubber circle that corresponds and sets up, the equal fixedly connected with supporting shoe in bottom four corners department of bottom plate.

The utility model discloses in, during the use, start hydraulic stem 6, hydraulic stem 6 drives and goes up mould 5 and lower mould 7 closure, through inlet tube 2 to two annular cavity intracavity water injections and with two heater strips 1 circular telegrams, the water heating in the annular cavity after the heater strip 1 circular telegrams, water after the heating carries out water bath heating to the die cavity, can be even heat the mould, it can form to inject the plastic in the die cavity through injection molding pipe 3, when the die cavity internal gas pressure was too big, atmospheric pressure upwards promotes conical block 13, conical block 13 passes through connecting rod 15, 11 extrusion spring 12 of slider, and reveal in the gap from conical groove and conical block 13, be convenient for carry out the pressure release to the too high pressure in the die cavity.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. The heating structure of the plastic mold for producing the socket comprises a top plate (4) and a bottom plate (8) which are horizontally arranged from top to bottom, and is characterized in that vertical hydraulic rods (6) are fixedly connected to four corners of the upper end of the bottom plate (8), the tail ends of piston rods of the hydraulic rods (6) are fixedly connected to four corners of the lower end of the top plate (4) respectively, an upper mold (5) and a lower mold (7) which are matched with each other are fixedly connected to the center of the lower end of the top plate (4) and the center of the upper end of the bottom plate (8), an injection molding pipe (3) is fixedly communicated to the center of the outer wall of the upper side of the upper mold (5), the upper end of the injection molding pipe (3) penetrates through the lower end of the top plate (4) and extends to the upper side of the top plate (4), annular cavities are symmetrically arranged around a mold cavity in the upper mold (5) and the lower mold (7), heating, be located the upside the fixed intercommunication in the left and right sides bottom symmetry of toroidal cavity has connecting pipe (14), is located the downside the left and right sides top of toroidal cavity and the position department of correspondence of two connecting pipes (14) have all seted up the draw-in groove, two equal vertical connecting hole of having seted up between the tank bottom center department of draw-in groove and the upside chamber wall that is located the toroidal cavity of downside, the fixed intercommunication of right side outer wall of last mould (5) has inlet tube (2), the vertical pressure release hole of having seted up of both ends symmetry about the upside inner wall of last mould (5), the through-hole has all been seted up, two to the lower extreme of roof (4) and the position department of correspondence of two pressure release holes the inside of through-hole is all fixed.

2. The heating structure of the plastic mold for socket production as recited in claim 1, wherein the pressure relief mechanism comprises a conical block (13), a movable rod (9), two fixed rods (10), two sliding blocks (11), two springs (12) and two connecting rods (15), a conical groove is formed in the inner edge of the opening of the upper side wall of the through hole, the conical block (13) is arranged inside the conical groove, the movable rod (9) is vertically arranged inside the through hole, the upper end of the movable rod (9) is fixedly connected with the lower end of the conical block (13), sliding grooves are symmetrically formed in the left and right side wall of the through hole, the two fixed rods (10) are respectively and fixedly connected with the two sliding grooves, the two sliding blocks (11) are respectively and slidably sleeved with the lower side wall of the two fixed rods (10), and one end of the two connecting rods (15) is respectively and horizontally and fixedly connected with the side wall of the opposite side of the two sliding blocks (11), and the opposite ends of the two connecting rods (15) are fixedly connected with the rod walls of the movable rods (9), and the springs (12) are movably sleeved at the upper sides of the two sliding blocks (11) respectively with the rod walls of the two fixed rods (10).

3. The heating structure for plastic mold for socket production as claimed in claim 2, wherein a tapered rubber ring is fixedly connected to a wall of the tapered groove.

4. The heating structure of a plastic mold for socket production as claimed in claim 1, wherein the lower edges of the outer tube walls of the two connecting tubes (14) are chamfered.

5. The heating structure of a plastic mold for socket production as claimed in claim 1, wherein the bottom of each of the two slots is fixedly connected with a rubber ring, and the lower ends of the two connecting pipes (14) are disposed against the upper ends of the corresponding rubber rings.

6. The heating structure of a plastic mold for socket production as claimed in claim 1, wherein the bottom four corners of the bottom plate (8) are fixedly connected with supporting blocks.

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