A horizontal foam blowing mold without a slider in the middle mold

Abstract

The present invention relates to the technical field of lampshade molds, and in particular to a horizontal bubble blowing mold without a slider in a middle mold, comprising an upper mold body and a lower mold body that cooperate with each other, wherein the lower side surface of the lower mold is provided with a template, and the template is provided with a heating oil circuit mechanism placed in the lower mold body, wherein the heating oil circuit mechanism comprises a heating inner core, a conduit, an oil circuit converter, an oil inlet channel and an oil outlet channel, and a locking mechanism is provided on the outer side of the heating inner core. The present invention can improve the use effect of the mold and further improve the product production efficiency and the product qualification rate.

Description

Technical Field

[0001] The invention relates to the technical field of lampshade moulds, and specifically relates to a middle mould horizontal bubble blowing mould without a slider. Background Art

[0002] As a tool for injection molding of PC lampshades, the lampshade mold heats the mold body through the oil system during use. However, the current lampshade mold has oil leakage problems during use, and the top of the mold body is not fully heated or cannot be heated, resulting in the specific heating temperature of the mold failing to meet the production requirements during the production of PC lampshades.

[0003] In addition, the heating core of the lampshade mold will become longer due to heat during use, which will cause poor contact inside the mold after the mold core is stretched, and the heating inside the mold body is incomplete, making the produced lampshade products unqualified;

[0004] At the same time, the mold will wear out after long-term use, which will cause the mold to be worn out after being matched. Summary of the invention

[0005] The object of the present invention is to provide a horizontal bubble blowing mold without a slider in the middle mold, so as to solve the problem that the service life of the bubble blowing lampshade mold in the prior art becomes shorter after long-term use.

[0006] To achieve the above object, the present invention provides the following technical solution: a middle mold without a slider horizontal bubble blowing mold, comprising an upper mold body and a lower mold body that cooperate with each other, wherein a template is provided on the lower side of the lower mold, and a heating oil circuit mechanism is provided on the template.

[0007] The specific lower side surface of the upper mold is larger than the specific upper side surface of the lower mold, and the specific lower side surface of the upper mold is provided with a groove with a cross-section of an isosceles trapezoidal shape, and the larger opening of the groove is arranged toward the lower side, and the lower mold body is integrally composed of an isosceles trapezoidal body at the upper end and a rectangular body at the lower end, and the specific upper isosceles trapezoidal body end of the lower mold is cooperated and arranged in the groove, and the width of the specific upper isosceles trapezoidal body end of the lower mold is smaller than the cross-sectional width of the groove, and an adjustment gap is formed between the two isosceles side surfaces of the groove and the two isosceles side surfaces of the specific upper isosceles trapezoidal body of the lower mold, and an adjustment mechanism is arranged in the adjustment gap, and a plurality of the adjustment mechanisms are arranged in the adjustment gap on each side, and a guide hole is arranged on the side surface of the groove corresponding to each adjustment mechanism, and the adjustment mechanism includes a guide rod and a gasket, one end of the guide rod extends into the guide hole, and the other end of the guide rod faces the specific upper isosceles side surface of the lower mold, and the gasket is arranged on one side end of the guide rod close to the specific lower mold, and the gasket abuts against the specific upper isosceles side surface of the lower mold;

[0008] The heating oil circuit mechanism includes a heating inner core, a conduit, an oil circuit converter, an oil inlet channel and an oil outlet channel. An oil hole groove is arranged on the upper side of the template. The oil inlet channel and the oil outlet channel are both arranged in the template, and the oil inlet channel and the oil outlet channel are both communicated with the oil hole groove. The oil circuit converter is installed on the bottom of the oil hole groove, and the oil inlet of the oil circuit converter is communicated with the oil inlet channel. An oil drain gap is formed between the outer side wall of the oil circuit converter and the annular side wall of the oil hole groove, and the oil outlet channel is communicated with the oil drain gap. The conduit is vertically arranged on the template. , and the conduit is a through tube with two ends connected, one end of the conduit is placed in the oil hole groove and sealed and connected with the oil outlet of the oil circuit converter, the heating inner core is vertically arranged on the template, and the heating inner core is arranged in a U-shaped test tube shape, the heating inner core is sleeved on the outside of the conduit, an oil outlet gap is formed between the top of the inner hole of the heating inner core and the upper end outlet of the conduit, an oil guide gap is formed between the inner hole side wall of the heating inner core and the side wall of the conduit, the oil outlet gap, the oil guide gap and the oil discharge gap are connected in sequence, and the outer side wall of the heating inner core is in contact with the specific interior of the lower mold for heating;

[0009] A locking mechanism is arranged on the outer side of the heating inner core, and the locking mechanism comprises a locking sleeve, a tension spring and a fixed flange. The locking sleeve is slidably sleeved on the upper end of the outer side of the heating inner core, and the fixed flange is arranged on the lower end of the outer side of the heating inner core. The tension spring is sleeved on the heating inner core, and the two ends of the tension spring are respectively fixedly connected with the lower end of the locking sleeve and the upper end of the fixed flange. The locking sleeve is fixedly installed in the lower mold body.

[0010] Preferably, the gasket is a rectangular piece, and a side surface of the rectangular piece facing the lower mold is a smooth plane.

[0011] Preferably, the side surface of one end of the guide rod extending into the guide hole and the side surface of the guide hole are respectively provided with mutually matching threads.

[0012] Preferably, a rotating nut is fixedly provided on one end of the guide rod disposed outside the guide hole.

[0013] Preferably, the upper end edge of the oil hole groove is provided with a thread, and the outer side of the lower end of the heating inner core is sealed and threaded there.

[0014] Preferably, the lower end of the conduit is sealed and threadedly connected to the oil outlet of the oil circuit converter.

[0015] Preferably, the oil circuit converter is a cylinder, and the side wall of the cylinder is provided with a through hole that penetrates the inner hole of the cylinder, the through hole is sealed and connected to the oil inlet channel, the through hole is the oil inlet, the inner hole of the cylinder is the oil outlet, and the lower end of the conduit is sealed and connected to the upper end of the inner hole of the cylinder.

[0016] Preferably, the tension spring is a high temperature resistant strong tension spring.

[0017] Preferably, a fixing thread is provided on the outer side surface of the lower end of the heating inner core, and the fixing flange and the heating inner core are threadedly fixedly matched at the fixing thread.

[0018] Preferably, the locking sleeve is integrally formed by an upper mounting plate and a lower sleeve, the plane of the mounting plate is larger than the end surface of the sleeve, the central through hole on the mounting plate and the inner hole of the sleeve are coaxially arranged, and the mounting plate is fixed in the lower mold body by bolts.

[0019] Compared with the prior art, the beneficial effects of the present invention are: by setting the adjustment mechanism, the matching accuracy between the upper mold body and the lower mold body can be adjusted, so that the injection cavity in the mold body is fully matched, avoiding the situation that the injection molded product is unqualified due to the deviation in the injection cavity;

[0020] By setting the specific groove of the upper mold and adjusting the threaded joints of the guide rod and the guide hole, the left-right offset position relationship of the upper mold body on the lower mold body can be adjusted so that the cavity in the mold body is fully matched.

[0021] By designing the heating system on the lower mold body separately and setting the heating system separately from the lower mold body, the heating system can heat the lower mold body with heating oil and avoid contamination of the lower mold body caused by leakage of heating oil.

[0022] The heating inner core is tightened so that the upper heating end of the heating inner core can always fit tightly with the heating surface in the lower mold body, avoiding the situation where the heating end of the inner core is separated and not fitted after the heating inner core is stretched, thereby improving the processing efficiency of the lampshade and the product qualification rate. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a structural schematic diagram of the present invention;

[0024] Figure 2 It is a structural schematic diagram of the regulating mechanism of the present invention;

[0025] Figure 3 It is a schematic diagram of the locking mechanism structure of the present invention;

[0026] Figure 4 It is a structural schematic diagram of the heating oil circuit mechanism of the present invention.

[0027] In the figure: 1. upper mold body; 2. lower mold body; 3. groove; 4. isosceles trapezoid; 5. adjustment gap; 6. guide hole; 7. guide rod; 8. gasket; 9. rotating nut; 10. template; 11. heating inner core; 12. guide tube; 13. oil circuit converter; 14. oil inlet channel; 15. oil outlet channel; 16. oil outlet gap; 17. oil guide gap; 18. oil drain gap; 19. locking sleeve; 20. tension spring; 21. fixing flange; 22. mounting plate; 23. sleeve. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0029] See also Figures 1 to 4 The present invention provides a technical solution: a middle mold without a slider horizontal bubble blowing mold, comprising an upper mold body and a lower mold body that cooperate with each other, wherein a template is arranged on the lower side of the lower mold, and a heating oil circuit mechanism is arranged on the template in the lower mold body,

[0030] The specific lower side surface of the upper mold is larger than the specific upper side surface of the lower mold, and the specific lower side surface of the upper mold is provided with a groove with a cross-section of an isosceles trapezoidal shape, and the larger opening of the groove is arranged toward the lower side, and the lower mold body is integrally composed of an isosceles trapezoidal body at the upper end and a rectangular body at the lower end, and the specific upper isosceles trapezoidal body end of the lower mold is cooperated and arranged in the groove, and the width of the specific upper isosceles trapezoidal body end of the lower mold is smaller than the cross-sectional width of the groove, and an adjustment gap is formed between the two isosceles side surfaces of the groove and the two isosceles side surfaces of the specific upper isosceles trapezoidal body of the lower mold, and an adjustment mechanism is arranged in the adjustment gap, and a plurality of the adjustment mechanisms are arranged in the adjustment gap on each side, and a guide hole is arranged on the side surface of the groove corresponding to each adjustment mechanism, and the adjustment mechanism includes a guide rod and a gasket, one end of the guide rod extends into the guide hole, and the other end of the guide rod faces the specific upper isosceles side surface of the lower mold, and the gasket is arranged on one side end of the guide rod close to the specific lower mold, and the gasket abuts against the specific upper isosceles side surface of the lower mold;

[0031] The heating oil circuit mechanism includes a heating inner core, a conduit, an oil circuit converter, an oil inlet channel and an oil outlet channel. An oil hole groove is arranged on the upper side of the template. The oil inlet channel and the oil outlet channel are both arranged in the template, and the oil inlet channel and the oil outlet channel are both communicated with the oil hole groove. The oil circuit converter is installed on the bottom of the oil hole groove, and the oil inlet of the oil circuit converter is communicated with the oil inlet channel. An oil drain gap is formed between the outer side wall of the oil circuit converter and the annular side wall of the oil hole groove, and the oil outlet channel is communicated with the oil drain gap. The conduit is vertically arranged on the template. , and the conduit is a through tube with two ends connected, one end of the conduit is placed in the oil hole groove and sealed and connected with the oil outlet of the oil circuit converter, the heating inner core is vertically arranged on the template, and the heating inner core is arranged in a U-shaped test tube shape, the heating inner core is sleeved on the outside of the conduit, an oil outlet gap is formed between the top of the inner hole of the heating inner core and the upper end outlet of the conduit, an oil guide gap is formed between the inner hole side wall of the heating inner core and the side wall of the conduit, the oil outlet gap, the oil guide gap and the oil discharge gap are connected in sequence, and the outer side wall of the heating inner core is in contact with the specific interior of the lower mold for heating;

[0032] A locking mechanism is arranged on the outer side of the heating inner core, and the locking mechanism comprises a locking sleeve, a tension spring and a fixed flange. The locking sleeve is slidably sleeved on the upper end of the outer side of the heating inner core, and the fixed flange is arranged on the lower end of the outer side of the heating inner core. The tension spring is sleeved on the heating inner core, and the two ends of the tension spring are respectively fixedly connected with the lower end of the locking sleeve and the upper end of the fixed flange. The locking sleeve is fixedly installed in the lower mold body.

[0033] The gasket is a rectangular piece, and a side surface of the rectangular piece facing the lower mold is a smooth plane.

[0034] The side surface of one end of the guide rod extending into the guide hole and the side surface of the guide hole are respectively provided with threads that match each other.

[0035] The guide rod is fixed with a rotating nut on one end outside the guide hole. When the guide rod is rotated, the rotating nut is matched with a wrench and the wrench is rotated, so that the rotating nut drives the guide rod to rotate in the thread of the guide hole.

[0036] The upper end edge of the oil hole groove is provided with a thread, and the outer side of the lower end of the heating inner core is sealed and threadedly connected thereto.

[0037] The lower end of the conduit is sealed and threadedly connected to the oil outlet of the oil circuit converter.

[0038] The oil circuit converter is a cylinder, and the side wall of the cylinder is provided with a through hole that penetrates the inner hole of the cylinder. The through hole is sealed and connected to the oil inlet channel. The through hole is the oil inlet, the inner hole of the cylinder is the oil outlet, and the lower end of the conduit is sealed and connected to the upper end of the inner hole of the cylinder.

[0039] The tension spring is a high temperature resistant strong tension spring.

[0040] The outer side surface of the lower end of the heating inner core is provided with a fixing thread, and the fixing flange and the heating inner core are threadedly fixedly matched at the fixing thread.

[0041] The locking sleeve is integrally formed by an upper mounting plate and a lower sleeve, the plane of the mounting plate is larger than the end surface of the sleeve, the central through hole on the mounting plate and the inner hole of the sleeve are arranged coaxially, and the mounting plate is fixed in the lower mold body by bolts.

[0042] Through the technical solution, when the lampshade needs to be produced, the upper mold body is matched with the lower mold body, and then each guide rod is rotated to adjust the extension or shortening of the guide rod in the guide hole, so that the gaskets on both sides are against the lower mold body, which is used to adjust the injection cavity structure formed by the upper mold body and the lower mold body to be complete, and then the lampshade injection molding step is performed;

[0043] A plurality of heating oil circuit mechanisms are evenly arranged on the template, and the plurality of heating oil circuit mechanisms are connected in series through oil outlet channels and oil inlet channels.

[0044] The heating inner core and the conduit are both copper tubes. During the implementation process, a double-layer high-heat-resistant sealing ring is set between the connection between the heating inner core and the oil hole groove;

[0045] The oil circuit converter (cylinder) and the oil hole groove are integrally processed, the lower end of the conduit is sealed and threadedly connected to the inner hole of the cylinder, and after installation, the heating inner core is sleeved on the conduit, and the heating inner core is sealed and installed on the template;

[0046] During use, the heating oil passes through the oil inlet channel, the conduit, the oil outlet gap, the oil guide gap, the oil discharge gap, the oil outlet channel in sequence, and then enters the next heating oil circuit mechanism from the oil outlet channel. When the heating oil passes through the oil outlet gap and the oil guide gap, the heating inner core is heated, so that the heating inner core can conduct heat to the mold body;

[0047] The upper side end of the lower mold is specifically provided with a stepped groove, the mounting plate is located in the upper end groove of the stepped groove and is fixed, the sleeve extends into the lower end groove of the stepped groove, and the heating inner core is arranged inside the locking sleeve;

[0048] After the upper mold body and the lower mold body are matched, the heating inner core is fitted with the upper mold body, so that the heating inner core is heated through the high-temperature oil circuit, and then the upper mold body is heated at high temperature through the heating inner core. During the use of the mold body, the tension of the tension spring can tighten the flange, so that the flange produces an upward pulling force on the inner core, so that the inner core can always fit tightly with the upper mold body.

[0049] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A horizontal bubble blowing mold without a slider in the middle mold, characterized in that: It comprises an upper mold body and a lower mold body which cooperate with each other. The lower side of the lower mold is provided with a template, and the template is provided with a heating oil circuit mechanism placed in the lower mold body. The specific lower side surface of the upper mold is larger than the specific upper side surface of the lower mold, and the specific lower side surface of the upper mold is provided with a groove with a cross-section of an isosceles trapezoidal shape, and the larger opening of the groove is arranged toward the lower side, and the lower mold body is integrally composed of an isosceles trapezoidal body at the upper end and a rectangular body at the lower end, and the specific upper isosceles trapezoidal body end of the lower mold is cooperated and arranged in the groove, and the width of the specific upper isosceles trapezoidal body end of the lower mold is smaller than the cross-sectional width of the groove, and an adjustment gap is formed between the two isosceles side surfaces of the groove and the two isosceles side surfaces of the specific upper isosceles trapezoidal body of the lower mold, and an adjustment mechanism is arranged in the adjustment gap, and a plurality of the adjustment mechanisms are arranged in the adjustment gap on each side, and a guide hole is arranged on the side surface of the groove corresponding to each adjustment mechanism, and the adjustment mechanism includes a guide rod and a gasket, one end of the guide rod extends into the guide hole, and the other end of the guide rod faces the specific upper isosceles side surface of the lower mold, and the gasket is arranged on one side end of the guide rod close to the specific lower mold, and the gasket abuts against the specific upper isosceles side surface of the lower mold; The gasket is a rectangular piece, and one side of the rectangular piece facing the lower mold is a smooth plane; The heating oil circuit mechanism includes a heating inner core, a conduit, an oil circuit converter, an oil inlet channel and an oil outlet channel. An oil hole groove is arranged on the upper side of the template. The oil inlet channel and the oil outlet channel are both arranged in the template, and the oil inlet channel and the oil outlet channel are both communicated with the oil hole groove. The oil circuit converter is installed on the bottom of the oil hole groove, and the oil inlet of the oil circuit converter is communicated with the oil inlet channel. An oil drain gap is formed between the outer side wall of the oil circuit converter and the annular side wall of the oil hole groove, and the oil outlet channel is communicated with the oil drain gap. The conduit is vertically arranged on the template. , and the conduit is a through tube with two ends connected, one end of the conduit is placed in the oil hole groove and sealed and connected with the oil outlet of the oil circuit converter, the heating inner core is vertically arranged on the template, and the heating inner core is arranged in a U-shaped test tube shape, the heating inner core is sleeved on the outside of the conduit, an oil outlet gap is formed between the top of the inner hole of the heating inner core and the upper end outlet of the conduit, an oil guide gap is formed between the inner hole side wall of the heating inner core and the side wall of the conduit, the oil outlet gap, the oil guide gap and the oil discharge gap are connected in sequence, and the outer side wall of the heating inner core is in contact with the specific interior of the lower mold for heating; The outer side of the heating inner core is provided with a locking mechanism, and the locking mechanism comprises a locking sleeve, a tension spring and a fixed flange. The locking sleeve is slidably sleeved on the upper end of the outer side of the heating inner core, and the fixed flange is arranged on the lower end of the outer side of the heating inner core. The tension spring is sleeved on the heating inner core, and the two ends of the tension spring are respectively fixedly connected with the lower end of the locking sleeve and the upper end of the fixed flange. The locking sleeve is fixedly installed in the lower mold body. The outer side surface of the lower end of the heating inner core is provided with a fixing thread, and the fixing flange and the heating inner core are threadedly fixedly matched at the fixing thread. The locking sleeve is integrally composed of an upper mounting plate and a lower sleeve. The plane of the mounting plate is larger than the end surface of the sleeve. The central through hole on the mounting plate and the inner hole of the sleeve are arranged on the same axis, and the mounting plate is fixed in the lower mold body by bolts.

2. A middle mold without slider horizontal bubble blowing mold according to claim 1, characterized in that: The side surface of one end of the guide rod extending into the guide hole and the side surface of the guide hole are respectively provided with threads that match each other.

3. A middle mold without slider horizontal bubble blowing mold according to claim 2, characterized in that: A rotating nut is fixedly arranged on one end of the guide rod placed outside the guide hole.

4. The middle mold without slider horizontal bubble blowing mold according to claim 1, characterized in that: The upper end edge of the oil hole groove is provided with a thread, and the outer side of the lower end of the heating inner core is sealed and threadedly connected thereto.

5. The middle mold without slider horizontal bubble blowing mold according to claim 4, characterized in that: The lower end of the conduit is sealed and threadedly connected to the oil outlet of the oil circuit converter.

6. The middle mold without slider horizontal bubble blowing mold according to claim 5, characterized in that: The oil circuit converter is a cylinder, and the side wall of the cylinder is provided with a through hole that penetrates the inner hole of the cylinder. The through hole is sealed and connected to the oil inlet channel. The through hole is the oil inlet, the inner hole of the cylinder is the oil outlet, and the lower end of the conduit is sealed and connected to the upper end of the inner hole of the cylinder.

7. The middle mold without slider horizontal bubble blowing mold according to claim 1, characterized in that: The tension spring is a high temperature resistant strong tension spring.

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