CN220031285U - Die-filling height adjusting device of four-point press - Google Patents
Die-filling height adjusting device of four-point press Download PDFInfo
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- CN220031285U CN220031285U CN202321119234.9U CN202321119234U CN220031285U CN 220031285 U CN220031285 U CN 220031285U CN 202321119234 U CN202321119234 U CN 202321119234U CN 220031285 U CN220031285 U CN 220031285U
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- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 22
- 210000004907 gland Anatomy 0.000 claims description 14
- 238000007789 sealing Methods 0.000 claims description 7
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 239000010720 hydraulic oil Substances 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract description 17
- 230000000712 assembly Effects 0.000 abstract description 4
- 238000000429 assembly Methods 0.000 abstract description 4
- 230000009977 dual effect Effects 0.000 description 3
- 238000003825 pressing Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
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Abstract
The die-filling height adjusting device of the four-point press comprises a double-output-shaft speed reducer, four height adjusting components, two main connecting shafts and two groups of transmission parts, wherein the height adjusting components comprise worms; the double output shafts of the double output shaft speed reducer are respectively connected with two main connecting shafts through a coupler; each group of transmission parts comprises three gear shafts and three bevel gears, the other end of one gear shaft is connected with a main connecting shaft through a coupler, the other ends of the other two gear shafts are connected with the worms of the two height-adjusting assemblies through a coupler, the main connecting shaft and the worms are vertically arranged, and the lengths of the main connecting shaft and the gear shafts are adapted to the size of the sliding block. According to the utility model, the double-output shaft speed reducer indirectly drives the height adjusting assembly to synchronously adjust and drive the table top in the sliding block to vertically move up and down, and the length of the main connecting shaft and the gear shaft can be adjusted to adapt to the sliding block bodies with various wide sizes, so that the original transmission precision is considered, and meanwhile, the problem of adapting to a larger sliding block is solved.
Description
Technical Field
The utility model relates to the technical field of presses, in particular to a die-filling height adjusting device of a four-point press.
Background
The sliding block and the table top of the four-point press are large in size, and are suitable for working procedures such as punching blanking, bending stretching and the like of large-width large-sized plate pieces, and are widely applied to industries such as automobiles, aviation, household appliances and the like. The existing four-point press die-filling height adjusting device mostly adopts a gear box type structure, the front and back sizes of the sliding blocks cannot be larger due to the limitation of the size of the gears, and then the lengths of four guide posts connected with the lower ends of the connecting rods are adjusted; considering that the multi-stage gear is adopted for transmission to adapt to the expansion of the size of the sliding block, the manufacturing cost is high, and the multi-stage transmission also causes the problem of low transmission precision.
Disclosure of Invention
The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, an object of the present utility model is to provide a die-filling height adjusting device for a four-point press, so as to solve the problem of adapting to a larger slide block while considering transmission precision.
The utility model is realized by the following technical scheme:
a four-point press die height adjustment apparatus comprising: a double-output-shaft speed reducer arranged at the center of the inner table surface of the sliding block; four heightening components are respectively arranged at four corners of the inner table surface of the sliding block, and each heightening component comprises a worm; the double output shafts of the double output shaft speed reducer are respectively connected with the two main connecting shafts through a coupler; two sets of driving medium, it sets up with the dual output shaft speed reducer symmetry between it, has two to heighten subassembly and a set of driving medium in one side of dual output shaft speed reducer, and every driving medium of group all includes three gear shaft and three bevel gear, the one end of gear shaft all penetrates and the cooperation is equipped with bevel gear from the lateral wall of gear box, three bevel gear all is located the gear box, and just perpendicular meshing sets up in succession, the mesa in the slider is installed to the bottom of gear box, and the other end of one of them gear shaft passes through the coupling joint in the main connecting axle, and the other end of two other gear shafts passes through the worm of coupling joint in aforementioned two heightening subassemblies respectively, the main connecting axle is perpendicular setting with the worm, the length of main connecting axle and gear shaft is adapted to the size of slider.
Preferably, the height-adjusting assembly further comprises a worm gear case, a worm wheel, an adjusting nut, an adjusting screw and a guide pillar, wherein the worm wheel and the worm are horizontally arranged at a position adjacent to the top in the worm gear case in a matching manner, the head of the adjusting screw is connected with the inner ring of the worm wheel in a circumferential flat key manner, a gland is arranged at the top of the worm gear case in a matching manner, the middle of the gland penetrates through the hollowed part to form the inner ring, the top of the guide pillar is arranged on a machine body cross beam, a cavity is formed in the inner side of the bottom of the guide pillar, the adjusting nut is coaxially arranged on the inner ring of the adjusting nut, the inner ring of the adjusting nut and the inner ring of the gland can be respectively accommodated in the rod part of the adjusting screw to extend in, and the outer bottom of the worm gear case is arranged at one of four corners of the table top in the sliding block.
Preferably, the head of the adjusting screw is just opposite to one face of the inner bottom of the worm gear case, a piston is movably mounted through a pin shaft, a gap is reserved between the piston and the piston, the piston is arranged into two column sections with a thin upper part and a thick lower part, the two column sections are respectively a top section and a bottom section, the top section is matched with a limit nut, the top end face of the bottom section is propped against the limit nut, the limit nut is arranged in the worm gear case and is positioned below the worm gear, a sealing cavity is formed between the bottom end face of the bottom section and the inner part of the worm gear case and filled with hydraulic oil, and a pressure sensor is arranged in the sealing cavity.
Preferably, the inner ring surface of the gland is attached to the rod part of the adjusting screw, and a gap of not less than 0.1mm is reserved.
Preferably, the gear box is arranged to accommodate different bevel gear torques.
Compared with the prior art, the utility model has the beneficial effects that:
(1) The structure of the utility model indirectly drives the height adjusting assembly through the double-output shaft speed reducer to synchronously adjust and drive the table top in the sliding block to vertically move up and down, and the length of the main connecting shaft and the gear shaft can be adjusted to adapt to the sliding block bodies with various wide sizes, thereby ensuring the original transmission precision and simultaneously adapting to the problem of larger sliding blocks;
(2) The bevel gear structure has stable transmission and good synchronism, so that the press machine has higher adjustment precision, a gear box for installing the bevel gear can be designed in a modularized manner, and the bevel gear structure has higher universality according to different torque values.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic top view of a four-point press die height adjustment apparatus according to the present utility model;
FIG. 2 is an enlarged view of the driving member of the present utility model;
FIG. 3 is a cross-sectional view (i.e., view in direction A of FIG. 1) of a height adjustment assembly according to the present utility model;
fig. 4 is a cross-sectional view of the worm wheel and worm gear of the present utility model (i.e., view in the direction B of fig. 3).
The double-output-shaft speed reducer 1, a main connecting shaft 2, a coupler 3, a transmission 4, a gear shaft 401, a bevel gear 402, a height adjusting component 5, a worm 501, a worm gear case 502, a worm wheel 503, an adjusting nut 504, an adjusting screw 505, a guide pillar 506, a gear box 6, a gland 7, a piston 8 and a limit nut 9.
Detailed Description
In order that those skilled in the art will better understand the present utility model, a technical solution in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.
Fig. 1-4 show a four-point press die height adjustment device comprising a dual output shaft speed reducer 1, four height adjustment assemblies 5, two main connecting shafts 2 and two sets of transmission members 4. The double-output-shaft speed reducer with different parameters such as power, rotating speed, torque and the like can be obtained through purchase in the existing market, and output shafts at two ends of the double-output-shaft speed reducer rotate in the same direction. The double-output-shaft speed reducer 1 is arranged at the center of the table top in the sliding block, four height adjusting components 5 are respectively arranged at four corners of the table top in the sliding block, wherein the height adjusting components 5 comprise worms 501, the double output shafts of the double-output-shaft speed reducer 1 are respectively connected with two main connecting shafts 2 through couplings 3, two groups of transmission pieces 4 are symmetrically arranged about the double-output-shaft speed reducer 1, two height adjusting components 5 and one group of transmission pieces 4 are arranged on one side of the double-output-shaft speed reducer 1, each group of transmission pieces 4 comprises three gear shafts 401 and three bevel gears 402, one end of each gear shaft 401 penetrates from the side wall of a gear box 6 and is provided with the bevel gears 402 in a matched mode, the three bevel gears 402 are all located in the gear box 6 and are sequentially and vertically meshed, as shown in fig. 2, the bevel gears 402 in three directions are respectively arranged in the gear box 6, and the bevel gears 402 are sequentially meshed to form 90-degree arrangement. The bottom of the gear box 6 is arranged on the inner table surface of the sliding block, so that each group of transmission parts 4 is limited through the gear box 6 fixed on the inner table surface of the sliding block, the other end of one gear shaft 401 is connected with the main connecting shaft 2 through the coupler 3, the other ends of the other two gear shafts 401 are respectively connected with the worms 501 of the two height adjusting assemblies 5 through the coupler 3, and the main connecting shaft 2 and the worms 501 are vertically arranged, so that the four-point press die-filling height adjusting device is assembled.
The double-output-shaft speed reducer 1 is opened, the double output shafts of the double-output-shaft speed reducer rotate, meanwhile, the transmission parts 4 on two sides of the split row are driven to rotate, and then four matched height adjusting assemblies 5 are driven to adjust and drive the table top in the sliding block to vertically move up and down, finally, the distance between the bottom surface of the sliding block and the working table plate is synchronously adjusted, higher press precision is achieved, and the installation requirement of the stamping die is met. The lengths of the main connecting shaft 2 and the gear shaft 401 are adapted to the size of the sliding block, and the length of the main connecting shaft and the gear shaft can be adjusted to adapt to the sliding block bodies with various wide sizes, so that the problem of adapting to a larger sliding block while guaranteeing the original transmission precision is solved.
As an embodiment of the present utility model, as shown in fig. 3, the height adjusting assembly 5 includes not only a worm 501, but also a worm gear case 502, a worm wheel 503, an adjusting nut 504, an adjusting screw 505 and a guide post 506, wherein the worm wheel 503 and the worm 501 are horizontally disposed in the worm gear case 502 adjacent to the top, the head of the adjusting screw 505 is connected to the inner ring of the worm wheel 503 by a circumferential flat key, the top of the worm gear case 502 is cooperatively provided with a gland 7, the middle of the gland 7 is hollowed out to form an inner ring, the top of the guide post 506 is mounted on a cross beam of the machine body, the inner side of the bottom of the guide post is provided with a cavity and is coaxially provided with an adjusting nut 504, the inner ring of the adjusting nut 504 is disposed opposite to the inner ring of the gland 7, the inner ring of the adjusting nut 504 and the inner ring of the gland 7 can accommodate the penetration of the stem of the adjusting screw 505, and the outer bottom of the worm gear case 502 is mounted at one of four corners of the table top in the slider. The worm 501 rotates, power is sequentially transmitted to the worm wheel 503 and the head of the adjusting screw 505, the rod part of the adjusting screw 505 rotates on the adjusting nut 504 in the cavity of the guide pillar 506, and the top of the guide pillar 506 is mounted on the machine body cross beam to limit, so that the adjusting screw 505 is driven to move vertically downwards integrally, and further the worm gear case 502 and the inner table surface of the sliding block are driven to move vertically downwards, so that the object is pressed.
In order to measure the tonnage pressed by the press, as shown in fig. 3, a piston 8 is movably mounted on one face of the head of an adjusting screw 505, which is opposite to the inner bottom of the worm gear case, a gap is reserved between the piston 8, the piston 8 is formed by two column sections with thin upper part and thick lower part, which are respectively a top section and a bottom section, the top section is matched with a limit nut, the top end face of the bottom section is propped against by the limit nut 9, the limit nut 9 is arranged in the worm gear case 502 and positioned below the worm gear 503, a sealing cavity is formed between the bottom end face of the bottom section and the inner part of the worm gear case 502 and filled with hydraulic oil, and a pressure sensor is arranged in the sealing cavity.
In order to prevent dust from entering, the inner ring surface of the pressing cover 7 is attached to the rod portion of the adjusting screw 505, and a gap of not less than 0.1mm is left, so that the pressing screw is prevented from rotating.
The gear box for mounting the bevel gears can be modularly designed and divided into different torque sizes, wherein the arrangement of the gear box 6 is adapted to the different torques of the bevel gears 402, so that the gear box has higher versatility.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (5)
1. A four-point press die-filling height adjusting device is characterized in that: comprising the following steps:
a double-output-shaft speed reducer (1) arranged at the center of the inner table surface of the sliding block;
four height adjusting components (5) which are respectively arranged at four corners of the inner table surface of the sliding block, wherein the height adjusting components (5) comprise worms (501);
the double output shafts of the double output shaft speed reducer (1) are respectively connected with the two main connecting shafts (2) through a coupler (3);
two sets of driving medium (4), it sets up with double output shaft speed reducer (1) symmetry between, has two height-adjusting subassembly (5) and a set of driving medium (4) in one side of double output shaft speed reducer (1), and every driving medium (4) of group all includes three gear shaft (401) and three bevel gear (402), the one end of gear shaft (401) all penetrates and the cooperation is equipped with bevel gear (402) from the lateral wall of gear box (6), three bevel gear (402) all are located gear box (6), and the perpendicular meshing setting in succession, the mesa in the slider is installed to the bottom of gear box (6), and the other end of one of them gear shaft (401) is connected in main connecting axle (2) through shaft coupling (3), and the other end of two other gear shafts (401) is connected in worm (501) of aforementioned two height-adjusting subassembly (5) respectively, main connecting axle (2) are perpendicular setting with worm (501), the length of main connecting axle (2) and gear shaft (401) is adapted to the size of slider.
2. The four-point press die height adjusting device according to claim 1, wherein: the height-adjusting assembly (5) further comprises a worm gear case (502), a worm wheel (503), an adjusting nut (504), an adjusting screw (505) and a guide pillar (506), the worm wheel (503) and the worm (501) are horizontally arranged at positions adjacent to the top in the worm gear case (502) in a matching mode, the head of the adjusting screw (505) is connected with the inner ring of the worm wheel (503) through a circumferential flat key, a gland (7) is arranged at the top of the worm gear case (502) in a matching mode, the middle of the gland (7) penetrates through to form the inner ring, the top of the guide pillar (506) is mounted on a machine body cross beam, a cavity is formed in the inner side of the bottom of the guide pillar, the adjusting nut (504) is coaxially arranged on the inner ring of the adjusting nut (504) and is opposite to the inner ring of the gland (7), the inner ring of the adjusting nut (504) and the inner ring of the gland (7) can accommodate the rod portion of the adjusting screw (505) to stretch in, and the outer bottom of the worm gear case (502) is mounted at one of four corners of a table top in the sliding block.
3. The four-point press die height adjusting device according to claim 2, wherein: the head of the adjusting screw (505) is just opposite to one face of the inner bottom of the worm gear case (502), a piston (8) is movably mounted through a pin shaft, a gap is reserved between the piston and the piston, the piston (8) is arranged into two column sections with a thin upper part and a thick lower part, the two column sections are respectively a top section and a bottom section, the top section and a limit nut (9) are matched and arranged, the top end face of the bottom section is propped against by the limit nut (9), the limit nut (9) is arranged in the worm gear case (502) and located below the worm gear (503), a sealing cavity is formed between the bottom end face of the bottom section and the inside of the worm gear case (502), hydraulic oil is filled in the sealing cavity, and a pressure sensor is arranged in the sealing cavity.
4. A four-point press die height adjustment device according to claim 3, wherein: the inner ring surface of the gland (7) is attached to the rod part of the adjusting screw (505), and a gap of not less than 0.1mm is reserved.
5. The four-point press die height adjusting device according to claim 1, wherein: the gear box (6) is arranged to accommodate different torques of the bevel gears (402).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321119234.9U CN220031285U (en) | 2023-05-11 | 2023-05-11 | Die-filling height adjusting device of four-point press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321119234.9U CN220031285U (en) | 2023-05-11 | 2023-05-11 | Die-filling height adjusting device of four-point press |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220031285U true CN220031285U (en) | 2023-11-17 |
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ID=88736201
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321119234.9U Active CN220031285U (en) | 2023-05-11 | 2023-05-11 | Die-filling height adjusting device of four-point press |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220031285U (en) |
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2023
- 2023-05-11 CN CN202321119234.9U patent/CN220031285U/en active Active
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