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CN-224209085-U - Double-liquid bimetal hammer head preparation mold based on lost foam casting

CN224209085UCN 224209085 UCN224209085 UCN 224209085UCN-224209085-U

Abstract

The utility model relates to the field of lost foam casting, in particular to a die for preparing a double-liquid double-metal hammer head based on lost foam casting. The preparation mold comprises a hammer head model, a casting sand box, a thermocouple, an ultrasonic device and a lifting device, wherein the hammer head model comprises a riser, a hammer head, a hammer handle part and a temperature measuring pouring channel, the riser, the hammer head and the hammer handle part are sequentially connected from top to bottom, the temperature measuring pouring channel is positioned at one side of the riser, the bottom end of the temperature measuring pouring channel is connected with the hammer handle part and is close to the joint of the hammer handle part and the hammer head part, the casting sand box is provided with a cavity matched with the hammer head model, the thermocouple is used for being inserted into the bottom of the cavity where the temperature measuring pouring channel is positioned, the ultrasonic device is used for being inserted into the cavity where the riser, the hammer handle part and the hammer head part are positioned, and the lifting device is in transmission connection with the ultrasonic device so as to drive the ultrasonic device to move vertically. Through the preparation mold, the problem that the existing casting technology has casting defects when the double-liquid bimetal hammer head is cast is solved, and the production cost is reduced.

Inventors

  • LANG XIAOYUE
  • CHEN ZHONGHUA
  • LI HONGBO
  • ZHANG ZHEN
  • DU YUKANG
  • WU MEILING
  • YANG LONGGANG
  • Jiao Liujun
  • ZHANG TA
  • ZUO HONGCHUAN

Assignees

  • 唐山冀东装备工程股份有限公司

Dates

Publication Date
20260508
Application Date
20250424

Claims (10)

  1. 1. Double-liquid bimetal hammer head preparation mould based on lost foam casting is characterized by comprising: The hammer head model (100), the hammer head model (100) comprises a riser (110), a hammer head part (120), a hammer handle part (130) and a temperature measuring runner (140), wherein the riser (110), the hammer head part (120) and the hammer handle part (130) are sequentially connected from top to bottom, the temperature measuring runner (140) is positioned at one side of the riser (110), the bottom end of the temperature measuring runner is connected with the hammer handle part (130) and is close to the joint of the hammer handle part (130) and the hammer head part (120); a casting sand box (200), wherein the casting sand box (200) is provided with a cavity matched with the hammer head model (100); The thermocouple (300) is used for being inserted into the bottom of the cavity where the temperature measuring pouring channel (140) is located; the ultrasonic device (400) is used for being inserted into cavities where the riser (110), the hammer handle part (130) and the hammer head part (120) are located; And the lifting device (500) is in transmission connection with the ultrasonic device (400) so as to drive the ultrasonic device (400) to move vertically.
  2. 2. The lost foam casting-based two-liquid bimetallic hammer head preparation mold according to claim 1, wherein, The lifting device (500) comprises: a frame (510); -a bracket (520), the bracket (520) being adapted to mount the ultrasonic device (400) and being slidably connected to the frame (510) with a sliding path extending vertically; And the linear driving assembly (530) is in transmission connection with the bracket (520) so as to drive the bracket (520) to slide on the frame (510) along a preset path.
  3. 3. The lost foam casting-based two-liquid bimetallic hammer head preparation mold according to claim 2, wherein, The linear drive assembly (530) includes: The screw rod (531), the screw rod (531) extends along the vertical direction, is arranged in the bracket (520) in a penetrating way, is in threaded connection with the bracket (520), and both ends of the screw rod (531) are in running fit with the frame (510); And a rotation driver (532), wherein the rotation driver (532) is fixed to the frame (510), and an output part thereof is connected to one end of the screw (531).
  4. 4. The lost foam casting-based two-liquid bimetallic hammer head preparation mold according to claim 2, wherein, The bottom end of the frame (510) is provided with a universal wheel (540).
  5. 5. The lost foam casting-based two-liquid bimetallic hammer head preparation mold according to claim 1, wherein, The temperature measuring pouring gate (140) is L-shaped and comprises a first vertical pouring gate and a first transverse pouring gate which are integrally formed; the first vertical runner is proximate the hammer handle (130); the first runner is connected to the hammer shank (130) and is lower than the hammer head (120).
  6. 6. The lost foam casting-based two-liquid bimetallic hammer head preparation mold according to claim 1, wherein, The hammer head model (100) further comprises: A head runner (150), wherein the bottom end of the head runner (150) is connected with the hammer head (120); and the handle part pouring channel (160) is connected with the hammer handle part (130) at the bottom end of the handle part pouring channel (160).
  7. 7. The lost foam casting-based two-liquid bimetallic hammer head preparation mold according to claim 6, wherein, The head runner (150) and the handle runner (160) are both composed of a second vertical runner and an arc runner which are integrally formed, and the free ends of the arc runners of the head runner and the handle runner are respectively bottom ends.
  8. 8. The lost foam casting-based two-liquid bimetallic hammer head preparation mold according to claim 1, wherein, The hammer head model (100) further comprises an overflow runner (170), wherein the overflow runner (170) is T-shaped and comprises a third vertical runner and a second horizontal runner which are integrally formed; The two ends of the second cross runner are respectively connected with the third vertical runner and the hammer head part (120), and the lower surface of the second cross runner is higher than the bottom end of the third vertical runner and is flush with the top end of the hammer handle part (130).
  9. 9. The lost foam casting-based two-liquid bimetallic hammer head preparation mold according to claim 1, wherein, The thermocouple (300) is one of S type, R type, B type, N type and K type; The probe of the ultrasonic device (400) is made of heat-resistant metal or ceramic.
  10. 10. The lost foam casting-based two-liquid bimetallic hammer head preparation mold according to claim 9, wherein, Both the thermocouple (300) and the ultrasonic device (400) are coated with a high-temperature anti-adhesion coating on the surface of the part which is used for penetrating into the molten metal.

Description

Double-liquid bimetal hammer head preparation mold based on lost foam casting Technical Field The utility model relates to the field of lost foam casting, in particular to a die for preparing a double-liquid double-metal hammer head based on lost foam casting. Background The crushing hammer is widely applied to industries such as mines, building materials and the like, has a severe working environment, belongs to wear and consumption components, and therefore needs to be developed with excellent performance and low manufacturing cost. The double-liquid bimetal hammer head is widely used because the hammer handle has enough strength and toughness and the hammer head has higher hardness and wear resistance. At present, the casting modes of the double-liquid double-metal hammer head mainly comprise sand casting, metal mold casting and traditional lost foam casting. The sand casting has casting defects and waste products caused by mould taking, mould assembling, core making and core setting, meanwhile, the surface is rough, the production cost is high, each mould for metal mould casting can only be used for producing single-model castings, the mould is required to be manufactured again when the model is replaced, the mould manufacturing cost is increased, and the defects of carburetion, slag inclusion, air holes and the like of castings are caused by the fact that gas and residues are generated due to foam gasification in the casting process of the traditional lost foam casting. Disclosure of utility model The utility model aims to provide a die for preparing a double-liquid double-metal hammer head based on lost foam casting, which is used for solving the problem that the existing casting technology has casting defects when the double-liquid double-metal hammer head is cast. In order to solve the technical problems, the technical scheme provided by the utility model is as follows: The utility model provides a die for preparing a double-liquid bimetal hammer based on lost foam casting, which comprises a hammer die, wherein the hammer die comprises a riser, a hammer head, a hammer handle and a temperature measuring runner, wherein the riser, the hammer head and the hammer handle are sequentially connected from top to bottom, the temperature measuring runner is positioned at one side of the riser, the bottom end of the temperature measuring runner is connected with the hammer handle and is close to the joint of the hammer handle and the hammer head; The casting sand box is provided with a cavity matched with the hammer head model; The thermocouple is used for being inserted into the bottom of the cavity where the temperature measuring pouring channel is located; The ultrasonic device is used for being inserted into cavities where the riser, the hammer handle and the hammer head are located; And the lifting device is in transmission connection with the ultrasonic device so as to drive the ultrasonic device to move vertically. Further, the lifting device includes: a frame; the bracket is used for installing the ultrasonic device, is connected with the frame in a sliding way, and extends along the vertical direction along the sliding path; and the linear driving assembly is in transmission connection with the bracket so as to drive the bracket to slide on the frame along a preset path. Further, the linear driving assembly includes: The screw rod extends vertically, penetrates through the bracket and is in threaded connection with the bracket, and two ends of the screw rod are in running fit with the frame; and the rotary driver is fixed on the frame, and the output part of the rotary driver is connected with one end of the screw rod. Further, universal wheels are arranged at the bottom end of the frame. Further, the temperature measuring pouring gate is L-shaped and comprises a first vertical pouring gate and a first transverse pouring gate which are integrally formed; the first vertical runner is close to the hammer handle part; the first runner is connected with the hammer handle part and is lower than the hammer head part. Further, the hammer head model further comprises: the bottom end of the head pouring channel is connected with the hammer head part; and the bottom end of the handle pouring channel is connected with the hammer handle part. Further, the head runner and the handle runner are both composed of a second vertical runner and an arc runner which are integrally formed, and the free ends of the arc runners are respectively bottom ends of the head runner and the handle runner. Further, the hammer head model also comprises an overflow runner, wherein the overflow runner is T-shaped and comprises a third vertical runner and a second horizontal runner which are integrally formed; The two ends of the second horizontal runner are respectively connected with the third vertical runner and the hammer head part, and the lower surface of the second horizontal runner is higher than the bottom end of the third verti