CN114535535A

CN114535535A - Die-casting die frame die assembly buffering device and method

Info

Publication number: CN114535535A
Application number: CN202210198635.1A
Authority: CN
Inventors: 周爱林
Original assignee: Jiangsu Huaichu Mould Technology Co ltd
Current assignee: Jiangsu Huaichu Mould Technology Co ltd
Priority date: 2022-03-01
Filing date: 2022-03-01
Publication date: 2022-05-27

Abstract

The invention belongs to the technical field of die carrier manufacturing, and particularly relates to a die-casting die carrier die assembly buffering device and a die-casting die carrier die assembly buffering method. Because when die-casting the object, be according to the horizontal distance control hollow metal piece that screw thread carousel spiral risees and descends and be false pressure, so compare directly extrude, use the device can be through the pressure that the hollow metal piece was applyed of rotation screw thread carousel control in the in-process of die-casting article, the vertical translation rate of hollow metal piece can effectively be slowed down to the mode of screw thread rotation moreover, and then the easier control is exerted the power degree, prevent to exert too hard violently or move the speed too fast, exert too big power to the foundry goods and place the case, cause the damage.

Description

Die-casting die frame die assembly buffering device and method

Technical Field

The invention belongs to the technical field of die carrier manufacturing, and particularly relates to a die-casting die carrier die assembly buffering device and a die-casting die carrier die assembly buffering method.

Background

The essence of die casting is a forming process for obtaining a casting by filling liquid or semi-solid metal and extremely high speed into a buffer device cavity of a die-casting die frame for die closing under the action of high pressure, and forming, cooling and solidifying under the action of pressure; the size precision of the die-cast product is high. The surface roughness is low, the material utilization rate is high, the tissue is compact, and the strength and the hardness are higher; by utilizing the die casting process, metal parts with complex shapes, clear outlines and thin walls and deep cavities can be manufactured, and parts made of other materials can be directly embedded and cast on a die casting piece, so that precious materials and processing time are saved; the die-casting die frame die-closing buffer device with a correct and reasonable structure is a prerequisite for smooth die-casting production and plays an important role in ensuring the quality of castings.

In the existing buffer device for die assembly of the die-casting die frame, a die assembly buffer device is not generally arranged before a movable die and a fixed die, when the fixed die and the movable die are assembled, the movable die and the fixed die are easy to collide and damage, and the service life is short, so that the clamping process of the die-casting die frame is buffered by the specific buffer device, the damage to the movable die and the fixed die is reduced, and the service life of the device is prolonged.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a die-casting die frame die-closing buffer device and a die-casting die frame die-closing buffer method, which solve the problems that when a die-casting device is used for die-casting an object, the acting force between a movable die and a fixed die is too large, and the device is easily crushed by strong pressure.

The technical scheme adopted by the invention for solving the technical problems is as follows: the buffer device for die assembly of the die-casting die frame comprises a torque machine, wherein an output shaft of the torque machine is fixedly connected with a pressurizing device, side position limiting arms are symmetrically arranged on the left side and the right side of the lower part of the outer surface of the pressurizing device, a die assembly box is fixedly connected to the bottom end of the pressurizing device, a placing box is movably connected to the lower surface of the die assembly box, and a base platform is fixedly connected to the lower surface of the placing box.

Preferably, the mold closing box comprises a connecting box shell, hollow metal blocks are uniformly arranged on the lower portion of the inner wall of the connecting box shell, and arc-shaped pressure gauges are symmetrically arranged inside the connecting box shell.

Preferably, the side position limiting arm comprises an adaptive inserting arm, and buffer springs are symmetrically arranged on the left side and the right side of the lower portion of the outer surface of the adaptive inserting arm.

Preferably, the pressurizing device comprises a threaded pipe sleeve, a threaded groove is formed in the inner wall of the threaded pipe sleeve, a threaded turntable is connected to the middle of the inner wall of the threaded pipe sleeve in a threaded manner, a pressure transmission column is fixedly connected to the axis of the inner wall of the threaded turntable, a rotating bearing is fixedly connected to the top end of the pressure transmission column, a connecting torsion column is fixedly connected to the upper surface of the rotating bearing, and stabilizing auxiliary rods are symmetrically arranged on the upper surface of the threaded turntable. The hollow metal block is controlled to be false pressure according to the spiral ascending and descending horizontal distance of the thread turntable, so that the hollow metal block is directly extruded, the device can control the pressure applied to the hollow metal block by rotating the thread turntable in the process of die casting objects, the vertical moving speed of the hollow metal block can be effectively reduced in a thread rotating mode, the applied force degree can be controlled more easily, and the phenomenon that the force is too violent or too fast to move is prevented, and the excessive force is applied to a casting and a placing box to cause damage is avoided.

Preferably, the bottom end of the pressure transmission column is rotatably connected with the middle part of the upper surface of the connecting box shell, the top end of the pressure transmission column is fixedly connected with the axle center of the inner wall of the rotary bearing, the bottom end of the connecting torsion column is fixedly connected with the axle center of the inner wall of the rotary bearing, the middle part of the upper surface of the connecting torsion column is fixedly connected with the axle center of the output shaft of the torque machine, the number of the stabilizing auxiliary rods is two, the top end of the stabilizing auxiliary rod is slidably connected with the lower surface of the rotary bearing, the top end of the adapting insertion arm is fixedly connected with the outer surface of the threaded pipe sleeve, after a part needing to be subjected to die assembly is placed in a die assembly shell of the adapting port slot, the torque machine is controlled to rotate the output shaft clockwise, at the moment, the threaded turntable spirally descends on the inner wall of the threaded pipe sleeve, the pressure transmission column slowly descends, the connecting box shell is extruded downwards, the hollow metal block is inserted into the adapting port slot, and the part in the die assembly shell is subjected to die casting work, because the effective length of the thread of the device is long, the thread turntable can rotate excessively properly in the stopping process, a certain buffering path is provided, and the torque machine cannot be abraded due to sudden braking in the rotating process.

Preferably, adaptation chutes are symmetrically formed in the left side and the right side of the inner cavity of the substrate table, the lower part of the outer surface of the adaptation insertion arm is connected with the inner wall of the substrate table in a sliding mode through the adaptation chutes, the number of the adaptation insertion arms is two, the number of the buffer springs is four, and the bottom ends of the buffer springs are fixedly connected with the bottom of the inner cavity of the adaptation insertion arm.

Preferably, the placing box comprises a fixed box shell, the upper part of the inner wall of the fixed box shell is uniformly provided with adaptive opening grooves, the inner wall of each adaptive opening groove is connected with a mould closing shell in a sliding manner, the lower part of the outer surface of the mould closing shell is connected with a guide sleeve in a sliding manner, the lower surface of the mould closing shell is fixedly connected with a coarse spring, adaptive sliding grooves are symmetrically formed in the lower part of the inner cavity of the base platform, after the die casting is finished, the mould closing box is pulled upwards through a pressurizing device, the two ends of the adaptive insertion arms ascend along the adaptive sliding grooves till the bottom ends of the adaptive insertion arms are clamped by the tops of the adaptive sliding grooves, the mould closing box ascends to the highest position, in the ascending process of the mould closing box, the coarse spring upwards supports out a die-cast object in the mould closing shell to obtain the die-cast object, under the normal condition, the die-cast part can be clamped with the inner wall of the mould closing shell sometimes, and no force application point is generated when the part is taken out, difficult taking out, the device is at the in-process of hollow metal block and compound die shell inner wall separation, and the part after the thick spring can be automatic will die-casting holds in the palm out, is convenient for get the thing.

Preferably, the number of the adapting opening grooves is eight, the number of the mould closing shells is eight, the lower surfaces of the guide sleeves are fixedly connected with the bottom of the inner wall of the fixed box shell, and the bottom ends of the thick springs are fixedly connected with the bottom of the inner wall of the fixed box shell.

Preferably, the arc manometer includes balanced siren, the left and right sides symmetry of balanced siren surface is provided with the pressurized shell, the inner wall sliding connection of pressurized shell has the thrust strip, the bottom fixedly connected with pipe sleeve case of thrust strip.

Preferably, the upper part of the inner wall of the pipe sleeve box is slidably connected with an extension end, the lower part of the inner wall of the pipe sleeve box is slidably connected with an extrusion end, the left side and the right side of the inner wall of the pipe sleeve box are symmetrically provided with side supporting rods, one side of the outer surface of each side supporting rod, which is close to the extension end, is rotatably connected with a hinged plate, the outer surface of each hinged plate is symmetrically provided with an arc-shaped spring, when an object is die-cast, because a main force application point is on the lower surface of the hollow metal block, when the hollow metal block is die-cast, the extrusion end positioned on the lower part of the inner wall of the hollow metal block can also feel an upward reaction force, because the extrusion end can rise and contract into the interior of the hollow metal block after being pressed, the force application effect of the hollow metal block cannot be influenced, when the extrusion end rises to the highest position, the top end of the extrusion end and the bottom end of the extension end are mutually extruded, and the thrust strips slide up along the inner wall of the pressed shell, at this time, the button at one end of the balance alarm is pressed, the balance alarm sounds, and at this time, the operator can know that the object in the device is being pressed after hearing the sound from the outside.

Preferably, the number of the arc-shaped pressure gauges is two, the bottom end of the extension end is in sliding connection with the lower portion of the inner wall of the hollow metal block, the bottom end of the pressed shell is fixedly connected with the axis of the upper surface of the pipe box, the top end of the extension end is fixedly connected with the bottom end of the thrust bar, one end of the hinged plate is rotatably connected with the outer surface of the lateral position supporting rod, the other end of the hinged plate is fixedly connected with the outer surface of the extrusion end through a vertical cutting groove, after the die-casting is finished, in the process that the connecting box shell is lifted, the upward extrusion force of the extrusion end is lost, the arc-shaped springs on the two sides pull the extension end and the extrusion end back through the hinged plate, the thrust bar returns back, the button of the balance alarm stops being extruded, the device stops sounding, and because the operation instruments related to the automatic extrusion tool are expensive, the manual extrusion mode is often adopted, the arc-shaped pressure measuring device is characterized in that a user cannot observe the die-casting condition of the internal part from the outside in the extrusion process, so that the arc-shaped pressure measuring device is arranged, when the arc-shaped pressure measuring device occurs, the operator knows that the part is in contact with the hollow metal block, the extrusion is carried out again, the substantial die-casting work can be carried out on the part, the operator can further know the die-casting condition from the outside, the condition that the die-casting is excessive or the die-casting is loose is prevented, and after the arc-shaped pressure measuring device of the device is started, because the extension end is completely retracted into the pipe sleeve box, the two ends of the balance alarm cannot be extruded any more, and the condition that the balance alarm is damaged due to the fact that the pressure degree of the balance alarm is too high is avoided.

The invention has the following beneficial effects:

1. because when die-casting the object, be according to the horizontal distance control hollow metal piece that screw thread carousel spiral risees and descends and be false pressure, so compare directly extrude, use the device can be through the pressure that the hollow metal piece was applyed of rotation screw thread carousel control in the in-process of die-casting article, the vertical translation rate of hollow metal piece can effectively be slowed down to the mode of screw thread rotation moreover, and then the easier control is exerted the power degree, prevent to exert too hard violently or move the speed too fast, exert too big power to the foundry goods and place the case, cause the damage.

2. The effective length of the thread of the device is long, so that the thread rotary disc can rotate excessively properly in the stopping process, a certain buffering path is provided, and the torque machine cannot be abraded due to sudden braking in the rotating process.

3. Under the general condition, the part through die-casting can sometimes with close the inner wall chucking of mould shell, does not have the point of application of force when taking out the part, difficult taking out, and the device is at the in-process of hollow metal block and the separation of compound die shell inner wall, and the part after the thick spring can automatic be held out with die-casting, is convenient for get the thing.

4. Because the related operating instruments of the automatic extrusion tool are expensive, a manual extrusion mode is often adopted, and a user cannot observe the die-casting condition of the internal part from the outside in the extrusion process, the arc-shaped pressure gauge is arranged, when the arc-shaped pressure gauge is generated, the operator knows that the part is in contact with the hollow metal block, and then extrusion is carried out to perform substantial die-casting work on the part, so that the operator can know the die-casting condition from the outside, and the condition of excessive die-casting or loose die-casting is prevented.

5. After the arc-shaped pressure measuring device of the device is started, because the extension end head is completely retracted into the pipe sleeve box, the two ends of the balance alarm cannot be extruded any more, and the condition that the balance alarm is damaged due to overlarge pressure is avoided.

Drawings

FIG. 1 is a front view of a die-casting mold frame clamping cushioning apparatus of the present invention;

FIG. 2 is a cross-sectional view of a die-casting die carrier clamping cushioning apparatus of the present invention;

FIG. 3 is a cross-sectional view of the pressurization device of the present invention;

FIG. 4 is a cross-sectional view of the holding box of the present invention;

FIG. 5 is a schematic diagram of an arc-shaped voltage detector according to the present invention;

fig. 6 is a flow chart of a die-casting mold frame clamping buffering device and a die-casting mold frame clamping buffering method.

In the figure: 1. a torque machine; 2. a pressurizing device; 3. a side position limiting arm; 4. a mould assembling box; 5. placing a box; 6. a substrate table; 31. adapting the insertion arm; 32. a buffer spring; 41. a connecting box shell; 42. a hollow metal block; 21. a threaded pipe sleeve; 22. connecting the torsion columns; 23. a pressure transfer column; 24. a rotating bearing; 25. a stabilizing auxiliary rod; 26. a threaded turntable; 27. a thread groove; 51. a fixed box shell; 52. an adaptation mouth groove; 53. closing the mould shell; 54. a guide sleeve; 55. a coarse spring; 56. adapting the sliding chute; 7. an arc-shaped pressure gauge; 71. a balance alarm; 72. a pressurized housing; 73. a thrust bar; 74. a pipe sleeve box; 75. extending the end head; 76. a lateral strut; 77. an arc-shaped spring; 78. a hinge plate; 79. and extruding the end head.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

A cushion device and a method for clamping a die-casting mold frame according to an embodiment of the present invention will be described below with reference to fig. 1 to 6.

As shown in fig. 1-6, the die-casting die frame die-assembling buffering device comprises a torque machine 1, wherein an output shaft of the torque machine 1 is fixedly connected with a pressurizing device 2, side position limiting arms 3 are symmetrically arranged on the left side and the right side of the lower portion of the outer surface of the pressurizing device 2, a die-assembling box 4 is fixedly connected to the bottom end of the pressurizing device 2, a placing box 5 is movably connected to the lower surface of the die-assembling box 4, and a substrate table 6 is fixedly connected to the lower surface of the placing box 5.

The mold closing box 4 comprises a connecting box shell 41, hollow metal blocks 42 are uniformly arranged on the lower portion of the inner wall of the connecting box shell 41, and arc-shaped pressure gauges 7 are symmetrically arranged inside the connecting box shell 41.

The lateral position limiting arm 3 comprises an adaptive inserting arm 31, and buffer springs 32 are symmetrically arranged on the left side and the right side of the lower portion of the outer surface of the adaptive inserting arm 31.

The pressurizing device 2 comprises a threaded pipe sleeve 21, a threaded groove 27 is formed in the inner wall of the threaded pipe sleeve 21, a threaded turntable 26 is in threaded connection with the middle of the inner wall of the threaded pipe sleeve 21, a pressure transmission column 23 is fixedly connected to the axis of the inner wall of the threaded turntable 26, a rotating bearing 24 is fixedly connected to the top end of the pressure transmission column 23, a connecting torsion column 22 is fixedly connected to the upper surface of the rotating bearing 24, stabilizing auxiliary rods 25 are symmetrically arranged on the upper surface of the threaded turntable 26, before the device is used, the feeding work is firstly carried out, the torque machine 1 is controlled to rotate the output shaft anticlockwise, at the moment, the connecting torsion column 22 controls the pressure transmission column 23 to rotate anticlockwise, as the threaded pipe sleeve 21 is fixedly connected by the pressurizing devices 2 at two sides, the screw thread rotary disk 26 is screwed up on the inner wall of the screw thread pipe sleeve 21, and the bottom end of the pressure transmission column 23 pulls the connecting box shell 41 right below to vertically rise, so that the adapting opening groove 52 is gradually opened.

The bottom end of the pressure transmission column 23 is rotatably connected with the middle part of the upper surface of the connecting box shell 41, the top end of the pressure transmission column 23 is fixedly connected with the axle center of the inner wall of the rotating bearing 24, the bottom end of the connecting torsion column 22 is fixedly connected with the axle center of the inner wall of the rotating bearing 24, the middle part of the upper surface of the connecting torsion column 22 is fixedly connected with the axle center of the output shaft of the torque machine 1, the number of the stabilizing auxiliary rods 25 is two, the top end of the stabilizing auxiliary rod 25 is slidably connected with the lower surface of the rotating bearing 24, the top end of the adapting insertion arm 31 is fixedly connected with the outer surface of the threaded pipe sleeve 21, after a part needing to be subjected to mould clamping is placed in a mould clamping shell 53 of the adapting opening groove 52, the torque machine 1 is controlled to rotate the output shaft clockwise, at the moment, the threaded turntable 26 spirally descends on the inner wall of the threaded pipe sleeve 21, the pressure transmission column 23 slowly descends, the connecting box shell 41 is downwards extruded, the hollow metal block 42 is inserted into the adapting opening groove 52, the parts inside the mold clamping case 53 are die cast.

The adaptation spout has been seted up to the left and right sides symmetry of 6 inner chambers of base platform, and the lower part that the arm 31 surface was inserted in the adaptation passes through the inner wall sliding connection of adaptation spout and base platform 6, and the quantity that the arm 31 was inserted in the adaptation is for two, and the quantity of buffer spring 32 is four, and the bottom fixed connection that the arm 31 inner chamber was inserted in the bottom and the adaptation of buffer spring 32.

Placing case 5 includes fixed case shell 51, adaptation mouth groove 52 has evenly been seted up on the upper portion of fixed case shell 51 inner wall, the inner wall sliding connection of adaptation mouth groove 52 has die clamping case 53, the lower part sliding connection of die clamping case 53 surface has guide sleeve 54, the lower surface fixedly connected with coarse spring 55 of die clamping case 53, adaptation spout 56 has been seted up to the lower part symmetry of basement platform 6 inner chamber, die-casting is accomplished the back, upwards draw die clamping case 4 through pressure device 2, the both ends that the arm 31 was inserted in the adaptation this moment rise along adaptation spout 56, the bottom that the arm 31 was inserted to the adaptation is blocked by the top of adaptation spout 56, die clamping case 4 rises to the highest position, in the in-process that die clamping case 4 rises, coarse spring 55 upwards holds out the good article of die-casting of die clamping case 53 inside, obtain the article that die-casting was accomplished.

The number of the adapting opening grooves 52 is eight, the number of the die assembling shells 53 is eight, the lower surface of the guide sleeve 54 is fixedly connected with the bottom of the inner wall of the fixed box shell 51, and the bottom end of the thick spring 55 is fixedly connected with the bottom of the inner wall of the fixed box shell 51.

The arc-shaped pressure measuring device 7 comprises a balance alarm 71, the left side and the right side of the outer surface of the balance alarm 71 are symmetrically provided with a pressure bearing shell 72, the inner wall of the pressure bearing shell 72 is connected with a thrust bar 73 in a sliding mode, and the bottom end of the thrust bar 73 is fixedly connected with a pipe sleeve box 74.

The upper part of the inner wall of the pipe sleeve box 74 is connected with an extension end 75 in a sliding way, the lower part of the inner wall of the pipe sleeve box 74 is connected with an extrusion end 79 in a sliding way, the left side and the right side of the inner wall of the pipe sleeve box 74 are symmetrically provided with side supporting rods 76, one side of the outer surface of each side supporting rod 76 close to the extension end 75 is connected with a hinged plate 78 in a rotating way, the outer surface of each hinged plate 78 is symmetrically provided with an arc spring 77, when an object is die-cast, because a main force application point is on the lower surface of the hollow metal block 42, when the hollow metal block 42 is die-cast, the extrusion end 79 positioned at the lower part of the inner wall of the hollow metal block 42 can also feel an upward reaction force, because the extrusion end 79 is pressed and then ascends and contracts into the hollow metal block 42, the force application effect of the hollow metal block 42 cannot be influenced, when the extrusion end 79 ascends to the highest position, the top end of the extrusion end 79 and the bottom end of the extension end 75 are mutually extruded, the push bar 73 slides up along the inner wall of the pressed housing 72, and the button at one end of the balance alarm 71 is pressed, and the balance alarm 71 sounds, and the operator can know that the object inside the device is being pressed after hearing the sound from the outside.

The number of the arc-shaped pressure gauges 7 is two, the bottom end of the extension end head 75 is in sliding connection with the lower portion of the inner wall of the hollow metal block 42, the bottom end of the pressed shell 72 is fixedly connected with the axis of the upper surface of the pipe sleeve box 74, the top end of the extension end head 75 is fixedly connected with the bottom end of the thrust bar 73, one end of the hinged plate 78 is rotatably connected with the outer surface of the side position supporting bar 76, the other end of the hinged plate 78 is fixedly connected with the outer surface of the extrusion end head 79 through a vertical cutting groove, after die casting is completed, in the process that the connecting box shell 41 is lifted, the extrusion end head 49 loses upward extrusion force, the arc-shaped springs 77 on the two sides pull the extension end head 75 and the extrusion end head 79 back to the original position through the hinged plate 78, the thrust bar 73 also returns to the original position, the button of the balance alarm 71 stops being extruded, and the device stops sounding.

The specific working process is as follows:

before the device is used, feeding work is firstly carried out, the torque machine 1 is controlled to rotate the output shaft anticlockwise, the connecting torsion column 22 controls the pressure transmission column 23 to rotate anticlockwise, the threaded pipe sleeve 21 is fixedly connected with the pressurizing devices 2 on two sides, the threaded rotary disc 26 spirally rises on the inner wall of the threaded pipe sleeve 21, the bottom end of the pressure transmission column 23 pulls the connecting box shell 41 right below to vertically rise, and then the adapting port groove 52 is gradually opened.

After a part needing to be clamped is placed in the clamping shell 53 of the adapting opening groove 52, the torque machine 1 is controlled to rotate the output shaft clockwise, at the moment, the threaded rotary disc 26 descends spirally on the inner wall of the threaded pipe sleeve 21, the pressure transmission column 23 descends slowly, the connecting box shell 41 is extruded downwards, the hollow metal block 42 is inserted into the adapting opening groove 52, and the part inside the clamping shell 53 is subjected to die-casting work.

After the die casting is finished, the die closing box 4 is pulled upwards through the pressurizing device 2, at the moment, two ends of the adaptive inserting arm 31 ascend along the adaptive sliding groove 56 until the bottom end of the adaptive inserting arm 31 is clamped by the top of the adaptive sliding groove 56, the die closing box 4 ascends to the highest position, and in the ascending process of the die closing box 4, the coarse spring 55 upwards supports out the die-cast object in the die closing shell 53, so that the die-cast object is obtained.

Because the hollow metal block 42 is controlled to be under false pressure according to the spiral ascending and descending horizontal distance of the thread turntable 26 when the object is die-cast, compared with the direct extrusion, the device can control the pressure applied to the hollow metal block 42 by rotating the thread turntable 26 in the process of die-casting the object, and the thread rotating mode can effectively slow down the vertical moving speed of the hollow metal block 42, so that the applied force is easier to control, and the phenomenon that the casting and the placing box 5 are applied with excessive force to cause damage due to over-violent moving or over-fast moving speed is prevented.

The effective length of the thread of the device is long, so that the thread rotary disc 26 can rotate excessively properly in the stopping process, a certain buffer path is provided, and the torque machine 1 cannot be abraded due to sudden braking in the rotating process.

When the object is die-cast, because the main force application point is on the lower surface of the hollow metal block 42, when the hollow metal block 42 is die-cast, the extrusion tip 79 positioned at the lower part of the inner wall of the hollow metal block 42 will also feel the upward reaction force, because the extrusion tip 79 will rise and shrink into the hollow metal block 42 after being pressed, the force application effect of the hollow metal block 42 will not be affected, when the extrusion tip 79 rises to the highest position, the top end of the extrusion tip 79 and the bottom end of the extension tip 75 are pressed against each other, the push bar 73 slides up along the inner wall of the pressed shell 72, at this time, the button at one end of the balance alarm 71 is pressed, the balance alarm 71 sounds, at this time, the operator can know that the object inside the device is being pressed after hearing the sound from the outside.

After the die casting is finished, in the process of lifting the connecting box shell 41, the extrusion end 49 loses the upward extrusion force, the arc-shaped springs 77 on the two sides pull the extension end 75 and the extrusion end 79 back to the original positions through the hinged plates 78, the thrust bars 73 also return to the original positions, the buttons of the balance alarm 71 stop being extruded, and the device stops sounding.

Because the operation instrument related to the automatic extrusion tool is expensive, a manual extrusion mode is often adopted, and a user cannot observe the die-casting condition of the internal part from the outside in the extrusion process, the arc-shaped pressure measuring device 7 is arranged, when the arc-shaped pressure measuring device 7 occurs, the operator knows that the part is in contact with the hollow metal block 42, the extrusion is carried out again, the substantial die-casting work is carried out on the part, the operator can further know the die-casting condition from the outside, and the situations of over die-casting or loose die-casting are prevented.

It should be apparent that the described embodiments are only some of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by one of ordinary skill in the art and related arts based on the embodiments of the present invention without any creative effort, shall fall within the protection scope of the present invention. Structures, devices, and methods of operation not specifically described or illustrated herein are generally practiced in the art without specific recitation or limitation.

Claims

1. The utility model provides a buffer of die casting die frame compound die, includes torque machine (1), its characterized in that: an output shaft of the torque machine (1) is fixedly connected with a pressurizing device (2), side position limiting arms (3) are symmetrically arranged on the left side and the right side of the lower portion of the outer surface of the pressurizing device (2), a mold closing box (4) is fixedly connected to the bottom end of the pressurizing device (2), a placing box (5) is movably connected to the lower surface of the mold closing box (4), and a base platform (6) is fixedly connected to the lower surface of the placing box (5);

the mould assembling box (4) comprises a connecting box shell (41), hollow metal blocks (42) are uniformly arranged on the lower portion of the inner wall of the connecting box shell (41), and arc-shaped pressure gauges (7) are symmetrically arranged inside the connecting box shell (41);

the side position limiting arm (3) comprises an adaptive inserting arm (31), and buffer springs (32) are symmetrically arranged on the left side and the right side of the lower part of the outer surface of the adaptive inserting arm (31);

pressure device (2) include threaded pipe box (21), thread groove (27) have been seted up to the inner wall of threaded pipe box (21), the middle part threaded connection of threaded pipe box (21) inner wall has threaded turntable (26), the axle center department fixedly connected with pressure transmission post (23) of threaded turntable (26) inner wall, the top fixedly connected with rolling bearing (24) of pressure transmission post (23), the last fixed surface of rolling bearing (24) is connected and is turned round post (22), the upper surface symmetry of threaded turntable (26) is provided with stabilizes auxiliary rod (25).

2. The die-casting die frame clamping cushioning device of claim 1, wherein: the bottom of biography pressure post (23) is rotated with the middle part of connecting box shell (41) upper surface and is connected, the top of biography pressure post (23) is connected with the axle center department of rolling bearing (24) inner wall, connect the axle center department fixed connection of the bottom of turning round post (22) and rolling bearing (24) inner wall, connect the middle part of turning round post (22) upper surface and the axle center department fixed connection of torque machine (1) output shaft, the quantity of stabilizing auxiliary rod (25) is two, the top of stabilizing auxiliary rod (25) and the lower surface sliding connection of rolling bearing (24), the top of arm (31) is inserted in the adaptation and the surface fixed connection of screw pipe box (21).

3. The die-casting die frame clamping cushioning device of claim 1, wherein: the left and right sides symmetry of base platform (6) inner chamber has seted up the adaptation spout, the lower part that arm (31) surface was inserted in the adaptation passes through the inner wall sliding connection of adaptation spout and base platform (6), the quantity that arm (31) were inserted in the adaptation is for two, the quantity of buffer spring (32) is four, the bottom and the adaptation of buffer spring (32) insert the bottom fixed connection of arm (31) inner chamber.

4. The die-casting die frame clamping cushioning device of claim 1, wherein: the placing box (5) comprises a fixed box shell (51), an adaptation opening groove (52) is uniformly formed in the upper portion of the inner wall of the fixed box shell (51), the inner wall of the adaptation opening groove (52) is connected with a mould closing shell (53) in a sliding mode, a guide sleeve (54) is connected to the lower portion of the outer surface of the mould closing shell (53) in a sliding mode, a thick spring (55) is fixedly connected to the lower surface of the mould closing shell (53), and adaptation sliding grooves (56) are symmetrically formed in the lower portion of the inner cavity of the base platform (6).

5. The die-casting die frame clamping cushioning device as claimed in claim 4, wherein: the number of the adapting opening grooves (52) is eight, the number of the mould closing shells (53) is eight, the lower surfaces of the guide sleeves (54) are fixedly connected with the bottom of the inner wall of the fixed box shell (51), and the bottom ends of the thick springs (55) are fixedly connected with the bottom of the inner wall of the fixed box shell (51).

6. The die-casting die frame clamping cushioning device of claim 1, wherein: arc manometer (7) are including balanced siren (71), the left and right sides symmetry of balanced siren (71) surface is provided with pressurized shell (72), the inner wall sliding connection of pressurized shell (72) has thrust strip (73), the bottom fixedly connected with pipe sleeve case (74) of thrust strip (73).

7. The die-casting die frame die-closing buffering device as claimed in claim 6, wherein: the upper portion sliding connection of pipe sleeve case (74) inner wall has extension end (75), the lower part sliding connection of pipe sleeve case (74) inner wall has extrusion end (79), the left and right sides symmetry of pipe sleeve case (74) inner wall is provided with side position branch (76), one side rotation that side position branch (76) surface is close to extension end (75) is connected with articulated slab (78), the surface symmetry of articulated slab (78) is provided with arc spring (77).

8. The die-casting die frame clamping cushioning device of claim 7, wherein: the quantity of arc pressure measuring ware (7) is two, the bottom of extension end (75) and the lower part sliding connection of hollow metal block (42) inner wall, the axle center department fixed connection of the bottom of pressurized shell (72) and pipe sleeve case (74) upper surface, the top of extension end (75) and the bottom fixed connection of thrust strip (73), the one end of articulated slab (78) rotates with the surface of side position branch (76) to be connected, the other end of articulated slab (78) is through the outer fixed connection of vertical grooving and extrusion end (79).

9. A die-casting die frame die assembly method comprises the following use steps:

s1: opening the mold opening and closing box by reversely rotating the torque machine;

s2: placing the die-casting part into a die assembly shell in the adapting port groove;

s3: the torque machine is controlled to rotate rapidly in the forward direction;

s4: when the alarm sound is heard, the torque machine reduces the speed;

s5: measuring the pressing height to complete the die casting work;

s6: the mold opening and closing box is opened by reversely rotating the torque machine again;

s7: and taking down the casting.