CN111390138A - Die casting machine - Google Patents
Die casting machine Download PDFInfo
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- CN111390138A CN111390138A CN202010310337.8A CN202010310337A CN111390138A CN 111390138 A CN111390138 A CN 111390138A CN 202010310337 A CN202010310337 A CN 202010310337A CN 111390138 A CN111390138 A CN 111390138A
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- die
- plate
- oil cylinder
- column
- casting machine
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/20—Accessories: Details
- B22D17/26—Mechanisms or devices for locking or opening dies
- B22D17/266—Mechanisms or devices for locking or opening dies hydraulically
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses a die casting machine, which comprises a fixed frame, a die closing oil cylinder, a hydraulic control system, a die locking mechanism and a die casting device, wherein the die locking mechanism comprises a fixed die plate, a movable die plate, a die locking oil cylinder and an elastic seat; a clamping piece is arranged on a piston rod of the mode locking oil cylinder, and a clamping groove is arranged on the movable template; and the output end of the die-casting device penetrates through the fixed die plate and extends into the space between the fixed die plate and the movable die plate. The die casting machine can effectively buffer the vibration generated by the mold locking oil cylinder so as to avoid the position deviation between the fixed mold plate and the movable mold plate.
Description
Technical Field
The invention relates to the technical field of die equipment, in particular to a die casting machine with a die locking device.
Background
The mold locking mechanism of the existing die casting machine comprises a fixed mold plate, a movable mold plate and a mold locking oil cylinder fixed on the fixed mold plate, wherein the mold locking oil cylinder is provided with a locking mechanism for locking the fixed mold plate and the movable mold plate, and the fixed mold plate and the movable mold plate are matched and locked by locking force provided by the mold locking oil cylinder.
The locking force of the mold clamping mechanism is mainly output by the mold locking oil cylinder, the locking force required by the front mold and the rear mold is very large, the power of the corresponding mold locking oil cylinder is large, vibration is easily generated in the working process, and the position of the fixed mold plate is easily deviated due to the movement of the mold locking oil cylinder because the mold locking oil cylinder is positioned on the fixed mold plate, so that the position between the fixed mold plate and the movable mold plate is deviated, the accuracy of mold production is further influenced, and the existing production requirements cannot be met.
Therefore, a need exists for a die casting machine to solve the above problems.
Disclosure of Invention
The invention aims to provide a die casting machine, which can effectively buffer the vibration generated by a mold locking oil cylinder so as to avoid the position deviation between a fixed mold plate and a movable mold plate, and has the advantages of simple structure and improved product accuracy.
In order to achieve the above purpose, the invention discloses a die casting machine, which comprises a fixed frame, a die closing oil cylinder, a hydraulic control system, a die locking mechanism and a die casting device, wherein the die locking mechanism is arranged on the fixed frame, the die locking mechanism comprises a fixed die plate, a movable die plate, a die locking oil cylinder and an elastic seat, the movable die plate is connected with the output end of the die closing oil cylinder, the movable die plate moves under the driving of the die closing oil cylinder, the fixed die plate and the movable die plate are arranged on the fixed frame, the die locking oil cylinder is arranged on the top end surface of the fixed die plate through the elastic seat, the elastic seat comprises an upper buffer column, an upper piston plate, an upper elastic piece, a middle connecting column, a middle elastic piece, a lower buffer column, a lower piston plate and a lower elastic piece, the upper buffer column is connected with the die locking oil cylinder, an upper buffer cavity is arranged in the upper buffer column, the upper elastic piece is elastically arranged between the upper piston plate and the upper buffering column in a pressing mode, the lower buffering column is connected with the fixed die plate, a lower buffering cavity is formed in the lower buffering column, the lower piston plate is slidably arranged in the lower buffering cavity, the lower elastic piece is elastically arranged between the lower piston plate and the lower buffering column in a pressing mode, the upper end of the middle connecting column is connected with the upper piston plate, the lower end of the middle connecting column is connected with the lower piston plate, and the middle elastic piece is elastically arranged between the upper buffering column and the lower buffering column in a pressing mode; a clamping piece is arranged on a piston rod of the mold locking oil cylinder, a clamping groove matched with the clamping piece is arranged on the movable template, and the clamping piece is clamped or released with the clamping groove by virtue of the expansion and contraction of the piston rod of the mold locking oil cylinder; and the output end of the die-casting device penetrates through the fixed die plate and extends into the space between the fixed die plate and the movable die plate.
Preferably, the mold locking oil cylinder extends towards the fixed mold plate to form a left support leg and a right support leg, a plurality of elastic seats are arranged between the left support leg and the fixed mold plate, and a plurality of elastic seats are arranged between the right support leg and the fixed mold plate.
Specifically, the elastic seat is located at four corners of the left leg.
Specifically, the elastic seat is positioned at four corners of the right supporting leg.
Specifically, the left support leg and the right support leg are symmetrically arranged.
Preferably, the middle elastic piece is sleeved outside the middle connecting column.
Preferably, the elastic seat further comprises an upper cover plate, the upper cover plate is fixed at the opening of the upper buffering column, and an upper penetrating hole is formed in the upper cover plate corresponding to the middle connecting column.
Preferably, the elastic seat further comprises a lower cover plate, the lower cover plate is fixed at the opening of the lower buffer column, and a lower penetrating hole is formed in the lower cover plate corresponding to the middle connecting column.
Preferably, the engaging member is a V-shaped engaging structure.
Preferably, the mode locking oil cylinder is provided with a non-return mechanism.
Compared with the prior art, the die casting machine is provided with a fixed die plate, a movable die plate, a die locking oil cylinder and an elastic seat, wherein the die locking oil cylinder is arranged on the top end surface of the fixed die plate through the elastic seat, the elastic seat comprises an upper buffer column, an upper piston plate, an upper elastic piece, a middle connecting column, a middle elastic piece, a lower buffer column, a lower piston plate and a lower elastic piece, the upper buffer column is connected with the die locking oil cylinder, an upper buffer cavity is arranged in the upper buffer column, the upper piston plate is arranged in the upper buffer cavity in a sliding manner, the upper elastic piece is arranged between the upper piston plate and the upper buffer column in an elastic abutting manner, so that a sealed space is formed between the upper piston plate and the inner wall of the upper buffer column, and the buffer is formed by utilizing the characteristic of air compressibility, meanwhile, the arrangement of the upper elastic piece also forms a buffer, the lower buffer column is connected with the fixed die plate, the lower buffer cavity is arranged in the lower, the lower elastic piece is elastically arranged between the lower piston plate and the lower buffer column in a propping manner, so that a sealing space is formed between the inner walls of the lower piston plate and the lower buffer column, and the buffer is formed by utilizing the characteristic of air compressibility, meanwhile, the arrangement of the lower elastic piece also forms a buffer, the upper end of the middle connecting column is connected with the upper piston plate, the lower end of the middle connecting column is connected with the lower piston plate, the middle elastic piece is elastically arranged between the upper buffer column and the lower buffer column in a propping manner, so that the buffer is formed again, and the elastic connection is formed between the fixed die plate and the die locking oil cylinder, so that the vibration generated during the working of the die locking oil cylinder can be counteracted, the position deviation between the fixed die plate and the movable die plate is effectively avoided, the production precision is improved, and the elastic arrangement of the elastic seat can also effectively avoid the hard collision between the clamping piece and the clamping groove, therefore, the purpose of protecting the clamping piece is achieved on the premise of playing a locking role; the die-casting machine can also realize automatic die-casting integrated manufacturing and has the advantage of simple structure.
Drawings
Fig. 1 is a schematic structural view of a die casting machine of the present invention.
Fig. 2 is a schematic perspective view of a mold clamping mechanism in the die casting machine of the present invention.
Fig. 3 is a schematic perspective view of the die-locking mechanism in the die-casting machine according to the present invention in an exploded state.
Fig. 4 is a schematic view of the internal structure of the elastic seat of the clamping mechanism in the die casting machine of the present invention.
Fig. 5 is a schematic view of the internal structure of the elastic seat of the clamping mechanism in the die casting machine of the invention after hiding the intermediate elastic piece.
Fig. 6 is a schematic view of the internal structure of the mold locking cylinder in the die casting machine of the present invention.
Detailed Description
In order to explain technical contents, structural features, and objects and effects of the present invention in detail, the following detailed description is given with reference to the accompanying drawings in conjunction with the embodiments.
Referring to fig. 1 to 6, a die casting machine 100 of the present invention includes a fixed frame 1, a mold clamping cylinder 2, a hydraulic control system (not shown), a mold locking mechanism 4 and a die casting device 3, wherein the mold clamping cylinder 2, the hydraulic control system, the mold locking mechanism 4 and the die casting device 3 are all disposed on the fixed frame 1, the hydraulic control system, the mold locking mechanism 4 and the die casting device 3 are sequentially disposed from left to right along a left-right direction of the fixed frame 1, the mold locking mechanism 4 includes a fixed mold plate 41, a movable mold plate 42, a mold clamping cylinder 43 and an elastic seat 44, the movable mold plate 42 is connected to an output end of the mold clamping cylinder 2, the movable mold plate 42 moves under driving of the mold clamping cylinder 2, the fixed mold plate 41 and the movable mold plate 42 are mounted on the fixed frame 1 in parallel, the mold clamping cylinder 43 is mounted on a, An upper piston plate 441, an upper elastic member 442, a middle connecting column 443, a middle elastic member 444, a lower buffer column 445, a lower piston plate 446 and a lower elastic member 447, wherein the top end surface of the upper buffer column 440 is connected with the bottom end surface of the mold locking cylinder 43, and the upper buffer column 440 can be connected by a threaded connection manner, the upper buffer column 440 is internally provided with an upper buffer cavity 4401, the upper piston plate 441 is slidably arranged in the upper buffer cavity 4401, the upper elastic member 442 is elastically arranged between the upper piston plate 441 and the upper buffer column 440 in a pressing manner, so that a sealing space is formed between the upper piston plate 441 and the inner wall of the upper buffer column 440, and the buffer is formed by utilizing the characteristic of air compression, meanwhile, the upper elastic member 442 is also provided with a buffer, the lower column 445 is connected with the fixed mold plate 41 by a threaded connection manner, the lower buffer cavity 4451 is arranged in the lower buffer column 445, and the lower piston plate 446 is slidably arranged in the lower buffer cavity 4451, the lower elastic member 447 is elastically and pressingly arranged between the lower piston plate 446 and the lower buffer column 445, the upper end of the middle connecting column 443 is connected with the upper piston plate 441, the lower end of the middle connecting column 443 is connected with the lower piston plate 446, the middle elastic member 444 is elastically and pressingly arranged between the upper buffer column 440 and the lower buffer column 445, so that a sealed space is formed between the inner walls of the lower piston plate 446 and the lower buffer column 445, and a buffer is formed by utilizing the air compressibility characteristic, meanwhile, the arrangement of the lower elastic member 447 also forms a buffer, the upper end of the middle connecting column 443 is connected with the upper piston plate 441, the lower end of the middle connecting column 443 is connected with the lower piston plate 446, the middle elastic member 444 is sleeved outside the middle connecting column 443, the middle elastic member 444 is elastically and pressingly arranged between the upper buffer column 440 and the lower buffer column 445, so that a buffer is formed again, which is obtained from top, so that the fixed die plate 41 and the die locking cylinder 43 form an elastic connection, therefore, the vibration generated when the mold locking oil cylinder 43 works can be counteracted, and the position deviation between the fixed mold plate 41 and the movable mold plate 42 is effectively avoided so as to improve the production precision; the piston rod of the mold locking cylinder 43 is provided with the clamping piece 431, preferably, the clamping piece 431 is a V-shaped buckle structure, and the V-shaped buckle structure has an inclined surface, so that the fit clearance between the clamping piece 431 and the movable mold plate 42 is eliminated by the fit of the inclined surface, the effect of assisting mold locking is more favorably realized, and the requirement on the dimensional tolerance is reduced during actual processing and use. The mode locking oil cylinder 43 is provided with a check mechanism 433, when the clamping piece 431 is clamped with the clamping groove 421 on the movable template 42, a check block of the check mechanism 433 slides to the rear end of the clamping piece 431, when the expansion force exists between the movable template 42 and the fixed template 41, the V-shaped clamping structure has an inclined plane and has a backward force, at the moment, the check block of the check mechanism 433 plays a role in preventing backward movement, so that the mode locking force increased by the strength of the check mechanism 433 can be determined, and an oil cylinder or an air cylinder only overcomes the resistance to complete corresponding actions, so that the action oil cylinder can be reduced, and the power consumption can be reduced; meanwhile, the introduction of the check structure 433 can achieve a larger auxiliary pressurization effect. The movable die plate 42 is provided with a clamping groove 421 matched with the clamping piece 431, the clamping piece 431 and the clamping groove 421 are clamped or released by means of the extension and retraction of the piston rod of the die locking oil cylinder 43, so that the relative position between the fixed die plate 41 and the movable die plate 42 is locked or unlocked, the rigid collision between the clamping piece 431 and the clamping groove 421 can be effectively avoided by the elastic arrangement of the elastic seat 44, the clamping piece 431 is protected on the premise of playing a locking role, and it can be understood that the vibration of the die locking oil cylinder 43 can be better counteracted by the smaller elastic force of the elastic seat 44 without influencing the clamping between the clamping piece 431 and the clamping groove 421. The output end of the die-casting device 3 passes through the fixed die plate 41 and extends between the fixed die plate 41 and the movable die plate 42 to form a casting of the die-casting liquid, and preferably, the upper elastic member 442, the middle elastic member 444, and the lower elastic member 447 are compression springs, but not limited thereto. More specifically, the following:
referring to fig. 1 to 5, the elastic seat 44 further includes an upper cover plate 448 and a lower cover plate 449, the upper cover plate 448 is fixed to an opening of the upper cushion column 440, so that an upper cushion chamber 4401 is defined between the upper cover plate 448 and the upper cushion column 440, the upper cover plate 448 is provided with an upper penetrating hole 4481 corresponding to the middle connection column 443, the middle connection column 443 is penetrated through the upper penetrating hole 4481, the upper cover plate 448 is further provided with an upper pressure-releasing hole 4482, the upper pressure-releasing hole 4482 is located at one side of the upper penetrating hole 4481, so that the movement of the upper piston plate 441 is smoother, the lower cover plate 449 is fixed to an opening of the lower cushion column 445, so that a lower cushion chamber 4451 is defined between the lower cover plate 449 and the lower cushion column 445, the lower cover plate 449 is provided with a lower penetrating hole 4491 corresponding to the middle connection column, the middle connection column 443 is penetrated through the lower penetrating hole 4491, the lower cover plate 449 is further provided with a lower pressure-releasing hole 4492, and the lower pressure, thereby making the movement of the lower piston plate 446 smoother, preferably, the cross-sections of the upper cushion column 440, the upper piston plate 441, the lower cushion column 445, the lower piston plate 446, the upper cover plate 448 and the lower cover plate 449 are all circular, but not limited thereto.
Referring to fig. 1 to 5, the mold locking cylinder 43 extends toward the fixed platen 41 to form a left leg 432 and a right leg (not shown), a plurality of elastic seats 44 are installed between the left leg 432 and the fixed platen 41, a plurality of elastic seats 44 are installed between the right leg and the fixed platen 41, and a space for accommodating the engaging member 431 is formed between the left leg 432 and the right leg, so that the arrangement of the components is more compact. Preferably, the elastic seat 44 is located at four corners of the left leg 432, so that the connection of the left leg 432 is more stable, and the buffering effect can be effectively improved; the elastic seat 44 is located at the four corners of the right leg, so that the connection of the right leg is more stable, and the buffering effect can be effectively improved. Preferably, the left leg 432 and the right leg are symmetrically disposed, thereby making the components more compact.
The operation of the diecasting machine 100 of the present invention will be further explained with reference to fig. 1 to 6:
when the relative position between the fixed die plate 41 and the movable die plate 42 needs to be locked, the piston rod of the mold locking cylinder 43 extends out to enable the clamping piece 431 to be clamped with the clamping groove 421 on the movable die plate 42, and the mold locking cylinder 43 is installed on the fixed die plate 41, so that the relative position between the fixed die plate 41 and the movable die plate 42 can be locked, and in the process of actuating the mold locking cylinder 43, the upper elastic piece 442, the middle elastic piece 444 and the lower elastic piece 447 can be compressed in a self-adaptive mode to offset the micro vibration of the mold locking cylinder 43 during movement. In operation, the die casting device 3 pours a die casting liquid between the fixed die plate 41 and the movable die plate 42, and the movable die plate 42 moves toward the fixed die plate 41 under the driving of the die clamping cylinder 2, thereby realizing die clamping between the fixed die plate 41 and the movable die plate 42.
Because the fixed die plate 41, the movable die plate 42, the die locking cylinder 43 and the elastic seat 44 are arranged, the die locking cylinder 43 is arranged on the top end surface of the fixed die plate 41 through the elastic seat 44, the elastic seat 44 comprises an upper buffer column 440, an upper piston plate 441, an upper elastic member 442, a middle connecting column 443, a middle elastic member 444, a lower buffer column 445, a lower piston plate 446 and a lower elastic member 447, the upper buffer column 440 is connected with the die locking cylinder 43, the upper buffer column 440 is internally provided with an upper buffer cavity 4401, the upper piston plate 441 is slidably arranged in the upper buffer cavity 4401, the upper elastic member 442 is elastically arranged between the upper piston plate 441 and the upper buffer column 440 in a propping manner, so that a sealing space is formed between the inner walls of the upper piston plate 441 and the upper buffer column 440, and the buffer is formed by utilizing the characteristic of air compressibility, meanwhile, the arrangement of the upper elastic member 442 also forms a buffer at the same time, the lower buffer column 445 is connected with the fixed die plate 41, and the lower buffer cavity 44, the lower piston plate 446 is slidably arranged in the lower buffer cavity 4451, the lower elastic member 447 is elastically pressed between the lower piston plate 446 and the lower buffer column 445, so that a sealed space is formed between the inner walls of the lower piston plate 446 and the lower buffer column 445, and the buffer is formed by utilizing the air compressible characteristic, meanwhile, the arrangement of the lower elastic member 447 also forms a buffer at the same time, the upper end of the middle connecting column 443 is connected with the upper piston plate 441, the lower end of the middle connecting column 443 is connected with the lower piston plate 446, the middle elastic member 444 is elastically pressed between the upper buffer column 440 and the lower buffer column 445, so that the buffer is formed again, and the elastic connection is formed between the fixed die plate 41 and the die locking cylinder 43, so that the vibration generated during the operation of the die locking cylinder 43 can be counteracted, and the position deviation between the fixed die plate 41 and the movable die plate 42 can be effectively avoided to improve the production precision, moreover, the elastic seat 44 is also capable of effectively avoiding hard collision between the engaging member 431 and the engaging groove 421, so that the purpose of protecting the engaging member 431 is achieved on the premise of locking; the diecast machine 100 of the present invention also has the advantage of a simple structure.
The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the present invention, therefore, the present invention is not limited by the appended claims.
Claims (10)
1. A die casting machine is characterized by comprising a fixed frame, a die assembly oil cylinder, a hydraulic control system, a die locking mechanism and a die casting device, wherein the die locking mechanism is arranged on the fixed frame, the die assembly oil cylinder, the hydraulic control system, the die locking mechanism and the die casting device are arranged on the fixed frame, the die locking mechanism comprises a fixed die plate, a movable die plate, a die locking oil cylinder and an elastic seat, the movable die plate is connected with the output end of the die assembly oil cylinder, the movable die plate moves under the driving of the die assembly oil cylinder, the fixed die plate and the movable die plate are installed on the fixed frame, the die locking oil cylinder is installed on the top end surface of the fixed die plate through the elastic seat, the elastic seat comprises an upper buffering column, an upper piston plate, an upper elastic part, a middle connecting column, a middle elastic part, a lower buffering column, a lower piston plate and a lower elastic part, the upper buffering column is connected with the die locking oil cylinder, an upper buffering cavity is arranged in the upper buffering, the lower buffer column is connected with the fixed die plate, a lower buffer cavity is arranged in the lower buffer column, the lower piston plate is slidably arranged in the lower buffer cavity, the lower elastic piece is elastically arranged between the lower piston plate and the lower buffer column in a pressing mode, the upper end of the middle connecting column is connected with the upper piston plate, the lower end of the middle connecting column is connected with the lower piston plate, and the middle elastic piece is elastically arranged between the upper buffer column and the lower buffer column in a pressing mode; a clamping piece is arranged on a piston rod of the mold locking oil cylinder, a clamping groove matched with the clamping piece is arranged on the movable template, and the clamping piece is clamped or released with the clamping groove by virtue of the expansion and contraction of the piston rod of the mold locking oil cylinder; and the output end of the die-casting device penetrates through the fixed die plate and extends into the space between the fixed die plate and the movable die plate.
2. The die casting machine of claim 1, wherein said mold clamping cylinder extends toward said stationary platen to form a left leg and a right leg, a plurality of said elastomeric seats being mounted between said left leg and said stationary platen, and a plurality of said elastomeric seats being mounted between said right leg and said stationary platen.
3. The die casting machine of claim 2, wherein said elastomeric seat is located at the four corners of said left foot.
4. The die casting machine of claim 2, wherein said elastomeric mounts are located at the four corners of said right leg.
5. The die casting machine of claim 2, wherein said left leg is symmetrically disposed with respect to said right leg.
6. The die casting machine of claim 1, wherein said intermediate spring is sleeved outside said intermediate connecting post.
7. The die casting machine of claim 1, wherein said elastomeric mount further comprises an upper cover plate secured to said upper cushion post at said opening, said upper cover plate defining an upper access hole corresponding to said intermediate connecting post.
8. The die casting machine of claim 1, wherein said elastomeric mount further comprises a lower cover plate secured to said lower bumper post at said opening, said lower cover plate having a lower piercing hole corresponding to said intermediate connecting post.
9. The die casting machine of claim 1, wherein said catch member is a "V" shaped snap-fit structure.
10. The die casting machine of claim 1, wherein said mold locking cylinder is provided with a check mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010310337.8A CN111390138A (en) | 2020-04-17 | 2020-04-17 | Die casting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010310337.8A CN111390138A (en) | 2020-04-17 | 2020-04-17 | Die casting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111390138A true CN111390138A (en) | 2020-07-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010310337.8A Pending CN111390138A (en) | 2020-04-17 | 2020-04-17 | Die casting machine |
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| Country | Link |
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| CN (1) | CN111390138A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112122582A (en) * | 2020-10-30 | 2020-12-25 | 梁俊英 | Die casting die of 5G signal intensifier |
| WO2021208279A1 (en) * | 2020-04-17 | 2021-10-21 | 东莞颠覆产品设计有限公司 | Mold locking apparatus |
-
2020
- 2020-04-17 CN CN202010310337.8A patent/CN111390138A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021208279A1 (en) * | 2020-04-17 | 2021-10-21 | 东莞颠覆产品设计有限公司 | Mold locking apparatus |
| CN112122582A (en) * | 2020-10-30 | 2020-12-25 | 梁俊英 | Die casting die of 5G signal intensifier |
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