Mould with high compression resistance and manufacturing method thereof
By designing a multiple buffer mechanism in the mold, the damage caused by the collision of the moving and fixed molds when the mold is clamped is solved, and the high compressive resistance of the mold and the extended service life of the mold are achieved.
Patent Information
- Application Number
- CN202411761660.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-03
- Publication Date
- 2025-02-14
AI Technical Summary
When the existing machining mold is closed, the moving mold and the fixed mold will collide, which will cause damage to the moving mold and the fixed mold for a long time, resulting in a decrease in the use strength.
A mold with strong compressive resistance is designed, and a multi-cushioning mechanism is used to buffer the pressure during mold closing, including hydraulic cylinder, buffer sleeve, spring and flexible buffer mechanism, which improves the compressive strength of the mold through a multi-channel buffering mechanism.
Effectively buffering the pressure during mold clamping extends the service life of the mold, improves the compressive strength of the mold, and reduces damage to the moving and fixed molds.
Smart Images
Figure CN119426468A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of molds, in particular to a mold with strong pressure resistance and a manufacturing method thereof. Background Art
[0002] Mold processing refers to the processing of forming and blanking tools. It also includes shearing dies and die-cutting dies. Usually, the mold consists of an upper mold and a lower mold. The steel plate is placed between the upper and lower molds. The material is formed under the action of a press. When the press is opened, a workpiece determined by the mold shape is obtained or the corresponding waste is removed. When the existing processing mold is closed, the movable mold and the fixed mold will collide, which will cause damage to the movable mold and the fixed mold over a long period of time, resulting in a decrease in the use strength of the movable mold and the fixed mold. Summary of the invention
[0003] In view of the shortcomings of the prior art, the present invention provides a mold with strong pressure resistance and a manufacturing method thereof with multiple buffer mechanisms, which can buffer the pressure when the mold is closed, thereby improving the compressive strength of the mold and increasing the service life of the mold. It solves the problem in the prior art that when the processing mold is closed, the movable mold and the fixed mold will collide, which will cause damage to the movable mold and the fixed mold over a long period of time, resulting in a decrease in the use strength of the movable mold and the fixed mold.
[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a mold with strong pressure resistance and a manufacturing method thereof, comprising a bottom plate and a top plate, the top plate being arranged on the upper side of the bottom plate, vertical rods being fixedly arranged on both sides of the upper surface of the bottom plate, the upper ends of the two vertical rods being fixedly connected to the top plate, a hydraulic cylinder being fixedly arranged on the upper surface of the top plate, a through hole being opened in the middle of the upper surface of the top plate, the piston rod end of the hydraulic cylinder extending through the through hole to the lower side of the top plate, a push plate being arranged on the lower side of the top plate, an upper mold being arranged on the lower side of the push plate, a lower mold being arranged on the upper surface of the bottom plate and at a position corresponding to the upper mold, a connecting mechanism being arranged between the upper mold and the push plate and between the lower mold and the bottom plate, the upper mold and the push plate and the lower mold and the bottom plate are fixedly connected through the connecting mechanism; The rod walls of the vertical rods on both sides are movably sleeved with two buffer sleeves, and the rod walls of the vertical rods and the movably sleeved between the two buffer sleeves are provided with a first spring, and the two ends of the first spring are respectively fixedly connected to the corresponding buffer sleeves, and the two sides of the two buffer sleeves that are away from each other are respectively in conflict with the lower surface of the push plate and the upper surface of the bottom plate, and a secondary buffer mechanism is provided between the outer sides of the two buffer sleeves; A groove is provided in the middle of the upper surface of the push plate, a piston plate is slidably provided inside the groove, the end of the piston rod of the hydraulic cylinder is fixedly connected to the piston plate, buffer grooves are provided on the upper surface of the push plate and on both sides of the groove, and a flexible buffer mechanism is provided between the groove and the two buffer grooves.
[0005] Preferably, the connecting mechanism includes a wedge block and a threaded rod, and the middle side walls of the sides opposite to each other of the upper mold and the lower mold are provided with wedge grooves, and the wedge grooves are clamped in the interior of the wedge grooves. The two sides of the wedge blocks opposite to each other are fixedly connected to the corresponding push plates and the bottom plate respectively, and the side walls of the wedge grooves are provided with threaded holes, and the threaded rod is threadedly sleeved in the threaded holes. The side walls of the wedge block are provided with insertion holes, and one end of the threaded rod extends to the interior of the insertion hole.
[0006] Preferably, the secondary buffer mechanism includes an arc rod and an arc spring, the outer walls of the two buffer sleeves are fixedly provided with connecting blocks, two push rods are provided between the two connecting blocks, the close ends of the two push rods are rotatably connected by a first axle pin, and the opposite ends of the two push rods are rotatably connected to the corresponding connecting blocks by a second axle pin, and the middle ends of the two push rods are provided with sliding holes, the arc rod is arranged between the two push rods, both ends of the arc rod pass through the corresponding sliding holes, the arc spring is movably sleeved on the rod wall of the arc rod, and the two ends of the arc spring are respectively fixedly connected to the corresponding push rods.
[0007] Preferably, the flexible buffer mechanism includes a piston block and buffer oil, the buffer oil is filled and arranged on the inner side of the groove, and an oil hole is provided between the lower end of the two buffer grooves and the groove, the piston block is slidably arranged at the inner lower end of the buffer groove, an oil inlet groove is provided on the lower side of the piston block and on the side close to the oil hole, a sealing block is provided on the internal threaded sleeve of the upper end of the buffer groove, and a second spring is fixedly connected between the sealing block and the piston block.
[0008] Preferably, anti-dropping blocks are fixedly provided at both ends of the arc-shaped rod.
[0009] Preferably, a damping sleeve is fixedly provided on the inner wall of the buffer sleeve, and the inner wall of the damping sleeve is in conflict with the rod wall of the vertical rod.
[0010] Preferably, both ends of the push plate are movably connected to the corresponding vertical rods.
[0011] Preferably, baffle rods are fixedly provided on inner walls on both sides of the upper end of the groove, and the baffle rods are in contact with the upper surface of the piston plate.
[0012] A method for manufacturing a mold with strong compressive resistance includes the mold with strong compressive resistance, and the specific steps are: Step 1: First install the buffer sleeve and the secondary buffer mechanism set on its side wall, fix the two vertical rods on both sides of the upper surface of the bottom plate, and then sequentially sleeve the multiple buffer sleeves on the rod walls of the corresponding vertical rods; Step 2: Install the push plate, and then sleeve the two ends of the push plate on the rod wall of the corresponding vertical rod, so that the two ends of the push plate are in conflict with the two upper buffer sleeves; Step 3: Then install the hydraulic cylinder, fix the top plate to the upper ends of the two vertical rods, then pass the hydraulic cylinder piston rod through the through hole in the middle of the top plate, then fix the hydraulic cylinder to the top plate, and finally fix the hydraulic cylinder to the piston plate in the groove; Step 4. Finally, install the upper and lower dies. Push the lower die from front to back and clamp it on the wedge-shaped block on the surface of the bottom plate. Push the upper die from front to back and clamp it on the wedge-shaped block on the lower surface of the push plate. Then rotate the threaded rod so that the threaded rod is inserted into the corresponding socket on the side wall of the wedge-shaped block. This completes the installation of the upper and lower dies. Beneficial Effects
[0013] Compared with the prior art, the present invention provides a mold with strong compressive resistance and a manufacturing method thereof, which has the following beneficial effects: The mold with strong pressure resistance and its manufacturing method, when the hydraulic cylinder pushes the push plate downward, it will first squeeze the buffer oil so that the buffer oil enters the buffer groove, and then push the piston block upward, so that the piston block squeezes the second spring, that is, it can play the first buffer, and then the push plate pushes the upper buffer sleeve downward, so that the upper buffer sleeve squeezes the first spring, that is, it can play the second buffer, when the upper buffer sleeve approaches the lower buffer sleeve, the two push rods will rotate toward the horizontal, during which the two push rods slide along the arc rod, which will squeeze the arc spring, that is, it can play the third buffer, that is, it can perform multiple buffers on the pressure when the mold is closed, thereby improving the compressive strength of the mold and increasing the service life of the mold. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 This is a schematic structural diagram of a mold with strong compressive resistance and a manufacturing method thereof proposed by the present invention; Figure 2 for Figure 1 Schematic diagram of the internal structure; Figure 3 for Figure 2 A magnified view of the structure of part A; Figure 4 for Figure 2 A magnified view of the structure of part B.
[0015] In the figure: 1 bottom plate, 2 vertical rod, 3 push plate, 4 top plate, 5 hydraulic cylinder, 6 upper die, 7 lower die, 8 wedge block, 9 threaded rod, 10 first spring, 11 piston block, 12 second spring, 13 stop rod, 14 piston plate, 15 buffer oil, 16 connecting block, 17 push rod, 18 first shaft pin, 19 second shaft pin, 20 arc rod, 21 arc spring, 22, buffer sleeve. DETAILED DESCRIPTION
[0016] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0017] See also Figure 1-4 , a mold with strong pressure resistance and its manufacturing method, comprising a bottom plate 1 and a top plate 4, the top plate 4 is arranged on the upper side of the bottom plate 1, vertical rods 2 are fixedly arranged on both sides of the upper surface of the bottom plate 1, the upper ends of the two vertical rods 2 are fixedly connected to the top plate 4, a hydraulic cylinder 5 is fixedly arranged on the upper surface of the top plate 4, a through hole is opened in the middle of the upper surface of the top plate 4, the piston rod end of the hydraulic cylinder 5 passes through the through hole and extends to the lower side of the top plate 4, a push plate 3 is arranged on the lower side of the top plate 4, both ends of the push plate 3 are movably sleeved with the corresponding vertical rods 2, so that the push plate 3 can slide stably, an upper mold 6 is arranged on the lower side of the push plate 3, a lower mold 7 is arranged on the upper surface of the bottom plate 1 and at a position corresponding to the upper mold 6, the upper mold 6 and the push plate 3 and the lower mold 7 and the bottom plate 1 are fixedly connected through a connecting mechanism; The rod walls of the vertical rods 2 on both sides are movably sleeved with two buffer sleeves 22, and the rod walls of the vertical rods 2 are movably sleeved with a first spring 10 located between the two buffer sleeves 22. The two ends of the first spring 10 are respectively fixedly connected to the corresponding buffer sleeves 22, and the two opposite sides of the two buffer sleeves 22 are respectively in conflict with the lower surface of the push plate 3 and the upper surface of the bottom plate 1; A groove is provided in the middle of the upper surface of the push plate 3, and a piston plate 14 is slidably arranged on the inner side of the groove. The end of the piston rod of the hydraulic cylinder 5 is fixedly connected to the piston plate 14, and baffle rods 13 are fixedly arranged on the inner walls on both sides of the upper end of the groove. The baffle rods 13 are in contact with the upper surface of the piston plate 14 to prevent the piston plate 14 from slipping out of the groove as much as possible. Buffer grooves are provided on the upper surface of the push plate 3 and on both sides of the groove.
[0018] See also Figure 1-4 A connecting mechanism is provided between the upper mold 6 and the push plate 3 and between the lower mold 7 and the bottom plate 1. The connecting mechanism includes a wedge block 8 and a threaded rod 9. The middle end side walls of the upper mold 6 and the lower mold 7 on the side opposite to each other are provided with a wedge groove, and the wedge groove is clamped in the inside of the wedge groove. The two wedge blocks 8 are fixedly connected to the corresponding push plate 3 and the bottom plate 1 on the sides opposite to each other, respectively. The side walls of the wedge grooves are provided with threaded holes, and the threaded rod 9 is threadedly sleeved in the inside of the threaded holes. The side walls of the wedge block 8 are provided with a socket, and one end of the threaded rod 9 extends to the inside of the socket.
[0019] See also Figure 1-4A secondary buffer mechanism is arranged between the outer sides of the two buffer sleeves 22, and the secondary buffer mechanism includes an arc rod 20 and an arc spring 21. The outer walls of the two buffer sleeves 22 are fixedly provided with a connecting block 16, and two push rods 17 are arranged between the two connecting blocks 16. The close ends of the two push rods 17 are rotatably connected through a first shaft pin 18, and the ends of the two push rods 17 that are separated from each other are rotatably connected to the corresponding connecting block 16 through a second shaft pin 19. The middle ends of the two push rods 17 are provided with sliding holes, and the arc rods 20 is arranged between the two push rods 17, both ends of the arc rod 20 pass through the corresponding sliding holes, the arc spring 21 is movably sleeved on the rod wall of the arc rod 20, and the two ends of the arc spring 21 are respectively fixedly connected to the corresponding push rods 17, and the inner wall of the buffer sleeve 22 is fixedly provided with a damping sleeve, and the inner wall of the damping sleeve is in conflict with the rod wall of the vertical rod 2, so as to further improve the buffering performance of the buffer sleeve 22, and both ends of the arc rod 20 are fixedly provided with anti-slip blocks to prevent the push rod 17 from slipping off the end of the arc rod 20 as much as possible.
[0020] See also Figure 1-4 A flexible buffer mechanism is arranged between the groove and the two buffer grooves, and the flexible buffer mechanism includes a piston block 11 and buffer oil 15. The buffer oil 15 is filled and arranged on the inner side of the groove. Oil holes are arranged between the lower ends of the two buffer grooves and the grooves. The piston block 11 is slidably arranged at the inner lower end of the buffer groove. An oil inlet groove is arranged on the lower side of the piston block 11 and on the side close to the oil hole. A sealing block is arranged on the internal threaded sleeve of the upper end of the buffer groove, and a second spring 12 is fixedly connected between the sealing block and the piston block 11.
[0021] A method for manufacturing a mold with strong compressive resistance includes the mold with strong compressive resistance, and the specific steps are: Step 1: First, install the buffer sleeve 22 and the secondary buffer mechanism set on its side wall, fix the two vertical rods 2 on both sides of the upper surface of the bottom plate 1, and then sequentially sleeve multiple buffer sleeves 22 on the rod walls of the corresponding vertical rods 2; Step 2: Then install the push plate 3, and then sleeve the two ends of the push plate 3 on the rod wall of the corresponding vertical rod 2, so that the two ends of the push plate 3 are in conflict with the two upper buffer sleeves 22; Step 3, then install the hydraulic cylinder 5, fix the top plate 4 to the upper ends of the two vertical rods 2, then pass the piston rod of the hydraulic cylinder 5 through the through hole in the middle of the top plate 4, then fix the hydraulic cylinder 5 to the top plate 4, and finally fix the hydraulic cylinder 5 to the piston plate 14 in the groove; Step 4. Finally, install the upper mold 6 and the lower mold 7. Push the lower mold 7 from front to back and clamp it on the wedge block 8 on the surface of the bottom plate 1. Push the upper mold 6 from front to back and clamp it on the wedge block 8 on the lower surface of the push plate 3. Then rotate the threaded rod 9 so that the threaded rod 9 is inserted into the corresponding socket on the side wall of the wedge block 8. The installation of the upper mold 6 and the lower mold 7 is completed.
[0022] In summary, when the mold with strong pressure resistance is in use, when the hydraulic cylinder 5 pushes the push plate 3 downward, it will first squeeze the buffer oil 15, so that the buffer oil 15 enters the buffer groove, and then pushes the piston block 11 to move upward, so that the piston block 11 squeezes the second spring 12, that is, it can play the first buffer, and then the push plate 3 pushes the upper buffer sleeve 22 to move downward, so that the upper buffer sleeve 22 squeezes the first spring 10, that is, it can play the second buffer. When the upper buffer sleeve 22 is close to the lower buffer sleeve 22, the two push rods 17 will rotate toward the horizontal. During this period, the two push rods 17 slide along the arc rod 20, which will squeeze the arc spring 21, that is, it can play the third buffer, that is, it can perform multiple buffers on the pressure when the mold is closed, thereby improving the compressive strength of the mold and increasing the service life of the mold.
[0023] It should be noted that the term "comprises" or any other variation thereof is intended to cover non-exclusive inclusion, so that a process, method, article, or device that includes a series of elements includes not only those elements, but also includes other elements that are not explicitly listed, or also includes elements inherent to such process, method, article, or device. In the absence of further restrictions, an element defined by the sentence "comprises a ..." does not exclude the presence of other identical elements in the process, method, article, or device that includes the element.
[0024] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A mold with strong compressive resistance, comprising a bottom plate (1) and a top plate (4), characterized in that: The top plate (4) is arranged on the upper side of the bottom plate (1), and vertical rods (2) are fixedly arranged on both sides of the upper surface of the bottom plate (1), and the upper ends of the two vertical rods (2) are fixedly connected to the top plate (4). A hydraulic cylinder (5) is fixedly arranged on the upper surface of the top plate (4), and a through hole is opened in the middle of the upper surface of the top plate (4). The end of the piston rod of the hydraulic cylinder (5) extends through the through hole to the lower side of the top plate (4). A push plate (3) is arranged on the lower side of the top plate (4), and an upper mold (6) is arranged on the lower side of the push plate (3). A lower mold (7) is arranged on the upper surface of the bottom plate (1) and at a position corresponding to the upper mold (6). A connecting mechanism is arranged between the upper mold (6) and the push plate (3) and between the lower mold (7) and the bottom plate (1), and the upper mold (6) and the push plate (3) and the lower mold (7) and the bottom plate (1) are fixedly connected through the connecting mechanism. The rod walls of the vertical rods (2) on both sides are movably sleeved with two buffer sleeves (22); the rod walls of the vertical rods (2) and the movably sleeved with a first spring (10) located between the two buffer sleeves (22); the two ends of the first spring (10) are respectively fixedly connected to the corresponding buffer sleeves (22); the two sides of the two buffer sleeves (22) are respectively in contact with the lower surface of the push plate (3) and the upper surface of the bottom plate (1); and a secondary buffer mechanism is provided between the outer sides of the two buffer sleeves (22); A groove is provided in the middle of the upper surface of the push plate (3), a piston plate (14) is slidably provided inside the groove, the end of the piston rod of the hydraulic cylinder (5) is fixedly connected to the piston plate (14), and buffer grooves are provided on the upper surface of the push plate (3) and on both sides of the groove, and a flexible buffer mechanism is provided between the groove and the two buffer grooves.
2. A mold with strong compressive resistance according to claim 1, characterized in that: The connecting mechanism comprises a wedge block (8) and a threaded rod (9); a wedge groove is provided on the middle end side wall of the upper mold (6) and the lower mold (7) on the opposite sides; the wedge groove is clamped in the inside of the wedge groove; the two wedge blocks (8) are fixedly connected to the corresponding push plate (3) and the bottom plate (1) on the opposite sides; a threaded hole is provided on the side wall of the wedge groove; the threaded rod (9) is threadedly sleeved in the inside of the threaded hole; a plug hole is provided on the side wall of the wedge block (8); one end of the threaded rod (9) extends to the inside of the plug hole.
3. A mold with strong compressive resistance according to claim 1, characterized in that: The secondary buffer mechanism comprises an arc rod (20) and an arc spring (21); the outer walls of the two buffer sleeves (22) are fixedly provided with a connecting block (16); two push rods (17) are provided between the two connecting blocks (16); the ends of the two push rods (17) close to each other are rotatably connected via a first shaft pin (18); the ends of the two push rods (17) away from each other are rotatably connected to the corresponding connecting block (16) via a second shaft pin (19); the middle ends of the two push rods (17) are provided with a sliding hole; the arc rod (20) is provided between the two push rods (17); both ends of the arc rod (20) pass through the corresponding sliding holes; the arc spring (21) is movably sleeved on the rod wall of the arc rod (20); and the two ends of the arc spring (21) are respectively fixedly connected to the corresponding push rod (17).
4. A mold with strong compressive resistance according to claim 1, characterized in that: The flexible buffer mechanism comprises a piston block (11) and buffer oil (15), wherein the buffer oil (15) is filled and arranged inside the groove, and an oil hole is provided between the lower ends of the two buffer grooves and the grooves, and the piston block (11) is slidably arranged inside the lower end of the buffer groove, and an oil inlet groove is provided on the lower side of the piston block (11) and on a side close to the oil hole, and a sealing block is provided on the internal thread sleeve of the upper end of the buffer groove, and a second spring (12) is fixedly connected between the sealing block and the piston block (11).
5. A mold with strong compressive resistance according to claim 3, characterized in that: Anti-drop blocks are fixedly provided at both ends of the arc-shaped rod (20).
6. A mold with strong compressive resistance according to claim 1, characterized in that: A damping sleeve is fixedly provided on the inner wall of the buffer sleeve (22), and the inner wall of the damping sleeve is in contact with the rod wall of the vertical rod (2).
7. A mold with strong compressive resistance according to claim 1, characterized in that: Both ends of the push plate (3) are movably sleeved with corresponding vertical rods (2).
8. The mold with strong compressive resistance according to claim 1, characterized in that: Baffle rods (13) are fixedly arranged on the inner walls of both sides of the upper end of the groove, and the baffle rods (13) are in contact with the upper surface of the piston plate (14).
9. A method for manufacturing a mold with strong compressive resistance, comprising the mold with strong compressive resistance as claimed in any one of claims 1 to 8, wherein the specific steps are: Step 1: first install the buffer sleeve (22) and the secondary buffer mechanism arranged on its side wall, fix the two vertical rods (2) on both sides of the upper surface of the bottom plate (1), and then sequentially sleeve the plurality of buffer sleeves (22) on the rod walls of the corresponding vertical rods (2); Step 2: Then install the push plate (3), and then sleeve the two ends of the push plate (3) on the rod wall of the corresponding vertical rod (2), so that the two ends of the push plate (3) are in conflict with the two upper buffer sleeves (22); Step 3: Then install the hydraulic cylinder (5), fix the top plate (4) to the upper ends of the two vertical rods (2), then pass the piston rod of the hydraulic cylinder (5) through the through hole in the middle of the top plate (4), then fix the hydraulic cylinder (5) to the top plate (4), and finally fix the hydraulic cylinder (5) to the piston plate (14) in the groove; Step 4: Finally, install the upper mold (6) and the lower mold (7), push the lower mold (7) from front to back and clamp it on the wedge block (8) on the surface of the bottom plate (1), push the upper mold (6) from front to back and clamp it on the wedge block (8) on the lower surface of the push plate (3), and then rotate the threaded rod (9) so that the threaded rod (9) is inserted into the corresponding socket on the side wall of the wedge block (8), thus completing the installation of the upper mold (6) and the lower mold (7).