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CN-224222668-U - Cold core box die with release agent slow-release structure

CN224222668UCN 224222668 UCN224222668 UCN 224222668UCN-224222668-U

Abstract

The utility model discloses a cold core box die with a release agent slow-release structure, which comprises a base, wherein the top of the base is respectively and movably connected with a lower die holder and an upper die holder, the top of the upper die holder is provided with a release agent spraying component, the upper die holder and the lower die holder are driven by the cooperation of a first rack, a second rack and a gear to move linearly along a guide post in opposite directions until the upper die holder and the lower die holder are closed, core-making sand is injected into the inner part by a feeding pipe through an external sand injection machine to form, a rotary knob closes a valve, a fogging hardening agent is conveyed into the inner part by an external air pump to form a sand core, a reverse start driving motor enables the upper die holder and the lower die holder to be separated, a material ejection table pushes the formed sand core out of the inner part of the lower die holder in the descending process, and when the upper die holder and the lower die holder move linearly in opposite directions, a first pressing block and a second pressing block respectively squeeze an elastic air bag to extrude release agent liquid in a water tank to the bottom of the upper die holder and the top of the lower die holder.

Inventors

  • HU QI

Assignees

  • 明光纽桀耐火材料科技有限公司

Dates

Publication Date
20260512
Application Date
20250530

Claims (6)

  1. 1. The utility model provides a take cold core box mould of release slowly-releasing structure, its characterized in that, including base (1), swing joint has die holder (2) and upper die holder (3) respectively at base (1) top, upper die holder (3) top is provided with release spraying subassembly, base (1) one side fixedly connected with first mount (8), first mount (8) one side fixedly connected with driving motor (9), the power take off end of driving motor (9) runs through first mount (8) fixedly connected with gear (10), first rack (29) are connected with in upper die holder (3) one side bottom fixedly connected with, die holder (2) one side top fixedly connected with second rack (24), first rack (29) and second rack (24) all mesh with gear (10), be provided with feed inlet (19) and air inlet in die holder (2) inside respectively, feed inlet (19) one side fixedly connected with pan feeding pipe (20), the input of pan feeding pipe (20) is connected with outside material pipe machine, middle part income valve (21), intake pipe (23) are provided with air inlet pump (23) one side fixedly connected with air inlet (23), the novel plastic injection molding machine is characterized in that a connecting rod (15) is fixedly connected to the top of the base (1), a jacking table (16) is fixedly connected to one end of the connecting rod (15) penetrating through the bottom of the lower die holder (2), a groove (17) is formed in the bottom of the inner side of the lower die holder (2), a plurality of vent holes are formed in the upper die holder (3) and the lower die holder (2), and the diameter of each vent hole is smaller than that of gravel.
  2. 2. The cold box mold with the release agent slow release structure according to claim 1, wherein a first abdicating groove (25) is formed in one side of the lower mold base (2), a second abdicating groove (28) is formed in one side of the upper mold base (3), the first abdicating groove (25) is located at the top of the first rack (29), and the second abdicating groove (28) is located at the top of the second rack (24).
  3. 3. The cold core box die with the release agent slow release structure according to claim 2, wherein guide posts (11) are fixedly connected to four corners of the top of the base (1), guide holes (18) are formed in four corners of the lower die holder (2), the lower die holder (2) is movably connected with the guide posts (11), and limiting blocks (13) are arranged on the tops of the guide posts (11).
  4. 4. The cold core box die with the release agent slow release structure according to claim 3, wherein a spring (12) is movably connected to the outer side of the guide post (11), a ball guide sleeve (14) is directly movably connected to the top of the spring (12) and the bottom of the limiting block (13), second guide sleeves (30) are fixedly connected to four corners of the upper die holder (3), and the outer side of the ball guide sleeve (14) is movably connected to the inner side of each second guide sleeve (30).
  5. 5. The cold core box die with the release agent slow release structure according to claim 4, wherein the release agent spraying assembly comprises a water tank (6), release agent liquid is filled in the water tank (6), a water pipe (7) is fixedly connected to the output end of the water tank (6), an elastic air bag (31) is fixedly connected to the output end of the water pipe (7), a hose (32) is fixedly connected to the output end of the elastic air bag (31), and a plurality of output ends are arranged on the hose (32).
  6. 6. The cold core box die with the release agent slow-release structure according to claim 5, wherein a first pressing block (26) is fixedly connected to one side of the lower die holder (2), a second pressing block (27) is fixedly connected to one side of the upper die holder (3), a first water diversion frame (4) and a second water diversion frame (5) are fixedly connected to the outer side of the lower die holder (2) and the outer side of the upper die holder (3) respectively, hollow layers are arranged inside the first water diversion frame (4) and the second water diversion frame (5), a plurality of output ends of the hose (32) are fixedly connected with the input ends of the first water diversion frame (4) and the second water diversion frame (5) respectively, and a plurality of spray heads (33) are fixedly connected to one side of the first water diversion frame (4) and one side of the second water diversion frame (5) respectively.

Description

Cold core box die with release agent slow-release structure Technical Field The utility model relates to the technical field of cold box molds, in particular to a cold box mold with a release agent slow-release structure. Background The cold box mould is mainly used for manufacturing hollow parts, such as automobile engine cylinder bodies, steering gears, shock absorbers, water pump impellers and the like, core-making sand is generally mixed, core-shooting is carried out through a core shooting machine to the cold box mould for forming, then aerosol hardening agent is introduced to shape the sand core, the release agent is a functional substance between the mould and a finished product, and the release agent has chemical resistance and is not dissolved when contacting with chemical components of different resins. The release agent also has heat and stress resistance and is not easy to decompose or abrade, and the release agent adheres to the mold and is not transferred to the processed parts, and does not interfere with painting or other secondary processing operations. The use of release agents has also been greatly increased due to the rapid development of injection molding, extrusion, calendaring, molding, lamination, etc. Most of the existing cold box dies are inconvenient in die taking, sand cores are clamped in the dies after being molded, the dies are required to be overturned manually to take materials, time and labor are wasted, machining efficiency is reduced to a certain extent, the sand cores are stuck in the dies during die taking, the sand cores are easy to damage, and machining effect is reduced. Disclosure of utility model This section is intended to outline some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description of the utility model and in the title of the utility model, which may not be used to limit the scope of the utility model. The present utility model has been made in view of the above and/or problems occurring in the prior cold box mold with a release agent release structure. Therefore, the utility model aims to provide a cold core box die with a release agent slow-release structure, a gear is driven to rotate under the action of a driving motor in the use process, the upper die holder and the lower die holder are driven to move linearly along a guide pillar in opposite directions until the upper die holder and the lower die holder are closed by the cooperation of a first rack, a second rack and the gear, core sand is injected into the inner part of a feeding pipe for forming through an external sand injection machine, a rotary knob closes a valve, a fogging hardening agent is conveyed to the inner part through an external air pump for shaping a sand core, the driving motor is reversely started to separate the upper die holder from the lower die holder, a material ejection table pushes the shaped sand core out of the inner part of the lower die holder in the descending process, when the upper die holder and the lower die holder move linearly in opposite directions, a first pressing block and a second pressing block respectively squeeze an elastic air bag, release agent liquid in a water tank is sprayed to the bottom of the upper die holder and the top of the lower die holder, the problem that the existing cold core box die is mostly inconvenient in taking out, the sand core is clamped in the die after shaping, the die needs to be manually turned over, the die core sand is required, the taking efficiency is reduced to a certain extent, the die is easy, and the processing effect is easy to be easy when the sand core is easy to take out, and the die core is easy to machine. In order to solve the technical problems, according to one aspect of the present utility model, the following technical solutions are provided: The utility model provides a take cold core box mould of release agent slowly-releasing structure, it includes the base, base top swing joint has die holder and upper die base respectively, the upper die base top is provided with release agent spraying subassembly, base one side fixedly connected with first mount, first mount one side fixedly connected with driving motor, driving motor's power take off end runs through first mount fixedly connected with gear, first rack of upper die base one side bottom fixedly connected with, die holder one side top fixedly connected with second rack, first rack and second rack all mesh with the gear, the inside feed inlet and the air inlet of being provided with respectively of die holder, feed inlet one side fixedly connected with pan feeding pipe, the outside sand shooting machine is connected to the input of pan feeding pipe, the pan feeding pipe middle part is provided with the valve, the valve top is provided with the knob, air inlet one side fixedly connected with intake pipe, the outside air pump