CN110682587A - Die-filling height adjusting mechanism of press machine - Google Patents
Die-filling height adjusting mechanism of press machine Download PDFInfo
- Publication number
- CN110682587A CN110682587A CN201911004497.3A CN201911004497A CN110682587A CN 110682587 A CN110682587 A CN 110682587A CN 201911004497 A CN201911004497 A CN 201911004497A CN 110682587 A CN110682587 A CN 110682587A
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- China
- Prior art keywords
- body assembly
- slider body
- adjusting
- die
- press machine
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/02—Dies; Inserts therefor; Mounting thereof; Moulds
- B30B15/026—Mounting of dies, platens or press rams
Abstract
The invention discloses a die-filling height adjusting mechanism of a press machine, which comprises a slider body assembly, a turbine, a worm, an adjusting nut, an adjusting screw, a motor and an annular pressure plate, wherein the adjusting screw is vertically inserted into the slider body assembly, the upper end of the adjusting screw is connected with a connecting rod of the press machine, the adjusting nut is in threaded connection with the periphery of the adjusting screw in the slider body assembly, the turbine is sleeved on the adjusting nut and fixed with the adjusting nut, the worm is installed in the slider body assembly and meshed with the turbine, the motor is installed on the slider body assembly and connected with the worm, the annular pressure plate is arranged in the slider body assembly and positioned at the upper part of the slider body assembly, the upper part of the annular pressure plate is fixed with the slider body assembly, and the bottom. The invention has the advantages that: the motor drives the worm gear to drive through chain wheel transmission, and the sliding block assembly is integrally translated up and down through the matching motion of the adjusting nut and the adjusting screw rod, so that the die adjusting effect is achieved, the adjusting process is convenient and fast, the structure is simple, and the assembly is convenient.
Description
Technical Field
The invention relates to a height adjusting mechanism, in particular to a die-filling height adjusting mechanism of a press machine.
Background
The die-filling height of the crank press is the distance between the bottom surface of the slide block body and the working table surface when the crank reaches the bottom dead center. Because the press needs to be used for the processing of multiple plastic forming such as drawing, punching press, extrusion, die forging, and the processing technology kind is different, and the size of machined part is different, consequently need adjust the die filling height of crank press in order to adapt to different operating mode requirements, and die filling height adjustment mechanism is complicated in current press, and the processing cost is high, assembles loaded down with trivial details.
Disclosure of Invention
The purpose of the invention is as follows: in view of the above problems, the present invention provides a die height adjusting mechanism for a press, which makes assembly and adjustment more convenient and faster.
The technical scheme is as follows: the utility model provides a press die-filling height adjusting mechanism, includes slider body assembly, turbine, worm, adjusting nut, adjusting screw, motor, annular clamp plate, adjusting screw vertically inserts inside slider body assembly, its upper end is connected with the connecting rod of press, adjusting nut is in inside slider body assembly with adjusting screw periphery threaded connection, the turbine cover is located adjusting nut is last and rather than fixed, the worm install in inside slider body assembly and with the turbine meshing, the motor install in on slider body assembly and with the worm is connected, annular clamp plate is arranged in slider body assembly and is located its upper portion, annular clamp plate's upper portion with slider body assembly is fixed, annular clamp plate's bottom surface with the upper surface laminating of turbine.
When the die filling height needs to be adjusted upwards, a motor is started to enable a worm to rotate, the worm drives a worm wheel to rotate, an adjusting nut is enabled to rotate to move along the upper direction of the thread of an adjusting screw rod, the worm wheel and an annular pressing plate are simultaneously pressed tightly, the adjusting nut generates upward force on the worm wheel, the worm wheel supports the annular pressing plate, upward force is generated on the annular pressing plate, and therefore the whole sliding block body assembly is driven to move upwards along the adjusting screw rod; when the die height needs to be adjusted downwards, the starting motor enables the worm to rotate reversely, the worm drives the worm wheel to rotate reversely, the adjusting nut rotates reversely to move along the lower portion of the thread of the adjusting screw rod in the direction, at the moment, the worm wheel and the annular pressing plate have the separation trend, the sliding block body assembly moves downwards under the action of self gravity, and therefore the die adjusting function is achieved.
Further, the slider body assembly comprises a slider main body, an oil cylinder, a piston and a locking ring, wherein the oil cylinder is arranged in the slider main body and connected with the inner bottom surface of the slider main body, the piston is arranged in the oil cylinder, the piston is locked with the oil cylinder through the locking ring, so that a high-pressure oil cavity is formed between the piston and the oil cylinder, the worm wheel, the worm, the adjusting nut, the adjusting screw rod and the annular pressing plate are respectively arranged in the slider main body, and the upper part of the annular pressing plate is fixed with the slider main body.
And a high-pressure oil cavity formed between the piston and the oil cylinder is used for detecting the use tonnage of the press machine.
Furthermore, the mechanism further comprises a spacer bush, wherein the spacer bush is arranged on the oil cylinder, and the spacer bush is arranged between the outer surface of the adjusting nut and the inner wall of the sliding block main body.
Furthermore, the spacer bush is in clearance fit with the turbine, and the fit clearance is 0.1 mm-0.2 mm, so that the situation that the turbine is pressed to be dead due to too tight fit is avoided, and the turbine cannot rotate.
Further, the mechanism also comprises a key, and the adjusting nut is connected with the turbine through the key.
Furthermore, an annular boss is arranged on the outer peripheral surface of the adjusting nut, and the bottom surface of the turbine is attached to the top surface of the annular boss, so that the annular boss supports the turbine.
The annular boss can guarantee that the turbine is more stable to be connected with adjusting nut.
Further, a motor shaft of the motor is connected with one end of the worm through a chain.
Furthermore, the adjusting screw rod is connected with the connecting rod of the press machine through a connecting rod pin, and a connecting rod pin bush is further arranged at the joint of the adjusting screw rod and the connecting rod.
Has the advantages that: compared with the prior art, the invention has the advantages that: the motor drives the worm gear to drive through chain wheel transmission, and the sliding block assembly is integrally translated up and down through the matching motion of the adjusting nut and the adjusting screw rod, so that the die adjusting effect is achieved, the adjusting process is convenient and fast, the structure is simple, and the assembly is convenient.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a sectional view a-a of fig. 1.
Detailed Description
The present invention will be further illustrated with reference to the following figures and specific examples, which are to be understood as merely illustrative and not restrictive of the scope of the invention.
A die-filling height adjusting mechanism of a press machine is shown in figures 1 and 2 and comprises a sliding block body assembly 1, a turbine 2, a worm 3, an adjusting nut 4, an adjusting screw 5, a motor 6, an annular pressure plate 7, a spacer bush 8, a key 9 and a chain 10, wherein the sliding block body assembly 1 comprises a sliding block main body 11, an oil cylinder 12, a piston 13 and a locking ring 14.
The cylinder 12 is arranged in the slider body 11 and connected with the inner bottom surface thereof through a bolt, the piston 13 is arranged in the cylinder 12, the piston 13 is locked with the cylinder 12 through a locking ring 14, so that a high-pressure oil cavity is formed between the piston 13 and the cylinder 12 and used for detecting the use tonnage of the press machine, the adjusting screw 5 is vertically inserted into the slider body 11, the upper end of the adjusting screw is connected with a connecting rod of the press machine through a connecting rod pin 51, a connecting rod pin bush 52 is also arranged at the joint of the adjusting screw 5 and the connecting rod, the adjusting nut 4 is in threaded connection with the outer periphery of the adjusting screw 5 in the slider body 11, an annular boss 41 is arranged on the outer periphery of the adjusting nut 4, the turbine 2 is sleeved on the adjusting nut 4, the bottom surface of the turbine 2 is attached to the top surface of the annular boss 41, so that the annular boss 41 supports the turbine 2, the adjusting nut, spacer 8 sets up between the outer surface of adjusting nut 4 and the inner wall of slider main part 11, spacer 8 and 2 clearance fit of turbine, and the fit clearance is 0.1mm ~ 0.2mm to prevent that the cooperation from too closely, die turbine 2, lead to the unable rotation of turbine 2. The worm 3 is installed inside the slider main body 11 and is meshed with the turbine 2, the motor 6 is installed on the slider body assembly 1, a motor shaft of the motor 6 is connected with one end of the worm 3 through a chain 10, the annular pressing plate 7 is arranged in the slider main body 11 and located on the upper portion of the slider main body, the upper portion of the annular pressing plate 7 is fixed with the slider main body 11 through a plurality of bolts, and the bottom surface of the annular pressing plate 7 is attached to the upper surface of the turbine 2.
The upper plane of the annular boss on the outer peripheral surface of the adjusting nut is flush with the upper plane of the spacer bush, and the annular boss and the spacer bush have the function of supporting the turbine and are subjected to different acting forces in the working state of a product stamped by a press machine. When the press machine works, the main body of the sliding block downwards presses a product, the assembly of the sliding block body generates upward reaction force on the nut, and therefore, other parts of the whole adjusting mechanism are not stressed except the threads of the adjusting nut and the adjusting screw rod, so that the whole adjusting mechanism can be effectively protected. The adjusting nut supports the turbine which supports the annular pressure plate under the non-working state of the slider body assembly, so that the whole slider body assembly is supported.
When the die filling height needs to be adjusted upwards, a motor is started to enable a worm to rotate, the worm drives a worm wheel to rotate, an adjusting nut is enabled to rotate to move along the upper direction of the thread of an adjusting screw rod, the worm wheel and an annular pressing plate are simultaneously pressed tightly, the adjusting nut generates upward force on the worm wheel, the worm wheel supports the annular pressing plate, upward force is generated on the annular pressing plate, and therefore the whole sliding block body assembly is driven to move upwards along the adjusting screw rod; when the die height is adjusted downwards to needs, starter motor makes worm antiport, and the worm drives turbine antiport, makes adjusting nut antiport along adjusting screw's screw thread down along the direction removal, and at this moment, turbine and annular clamp plate have the trend of separation, and the slider body assembly moves down under self action of gravity to realize adjusting the mould function, accommodation process convenient and fast, simple structure, convenient assembly. An encoder can be installed at one end of the worm, so that the die adjusting precision is guaranteed, and die height data can be directly displayed.
Claims (8)
1. The utility model provides a press die-filling height adjustment mechanism which characterized in that: comprises a slider body assembly (1), a worm wheel (2), a worm (3), an adjusting nut (4), an adjusting screw rod (5), a motor (6) and an annular pressure plate (7), wherein the adjusting screw rod (5) is vertically inserted into the slider body assembly (1), the upper end of the adjusting screw rod is connected with a connecting rod of a press machine, the adjusting nut (4) is arranged inside the slider body assembly (1) and is in threaded connection with the periphery of the adjusting screw rod (5), the worm wheel (2) is sleeved on the adjusting nut (4) and is fixed with the adjusting nut, the worm wheel (3) is arranged inside the slider body assembly (1) and is meshed with the worm wheel (2), the motor (6) is arranged on the slider body assembly (1) and is connected with the worm wheel (3), the annular pressure plate (7) is arranged in the slider body assembly (1) and is arranged at the upper part of the slider body assembly, and the upper part of the annular pressure plate (7) is fixed with the slider body assembly (1), the bottom surface of the annular pressure plate (7) is attached to the upper surface of the turbine (2).
2. The die-filling height adjusting mechanism of the press machine as claimed in claim 1, wherein: slider body assembly (1) includes slider main part (11), hydro-cylinder (12), piston (13), check ring (14), hydro-cylinder (12) are arranged in inside and rather than the interior bottom surface connection of slider main part (11), piston (13) are arranged in among hydro-cylinder (12), piston (13) pass through check ring (14) with hydro-cylinder (12) locking makes piston (13) with form the high-pressure oil chamber between hydro-cylinder (12), turbine (2) worm (3) adjusting nut (4) adjusting screw (5) annular clamp plate (7) are arranged respectively inside slider main part (11), the upper portion of annular clamp plate (7) with slider main part (11) are fixed.
3. The die-filling height adjusting mechanism of the press machine as claimed in claim 2, wherein: the oil cylinder is characterized by further comprising a spacer bush (8), wherein the spacer bush (8) is arranged on the oil cylinder (12), and the spacer bush (8) is arranged between the outer surface of the adjusting nut (4) and the inner wall of the sliding block main body (11).
4. The die-filling height adjusting mechanism of a press machine according to claim 3, characterized in that: the spacer bush (8) is in clearance fit with the turbine (2), and the fit clearance is 0.1-0.2 mm.
5. The die-filling height adjusting mechanism of the press machine as claimed in claim 1, wherein: the adjusting device further comprises a key (9), and the adjusting nut (4) is connected with the turbine (2) through the key (9).
6. The die-filling height adjusting mechanism of the press machine as claimed in claim 1, wherein: be equipped with annular boss (41) on adjusting nut (4) outer peripheral face, the bottom surface of turbine (2) with the top surface laminating of annular boss (41) makes annular boss (41) support turbine (2).
7. The die-filling height adjusting mechanism of the press machine as claimed in claim 1, wherein: and a motor shaft of the motor (6) is connected with one end of the worm (3) through a chain (10).
8. The die-filling height adjusting mechanism of the press machine as claimed in claim 1, wherein: the adjusting screw rod (5) is connected with the connecting rod of the press machine through a connecting rod pin (51), and a connecting rod pin bush (52) is further arranged at the joint of the adjusting screw rod (5) and the connecting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911004497.3A CN110682587A (en) | 2019-10-22 | 2019-10-22 | Die-filling height adjusting mechanism of press machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911004497.3A CN110682587A (en) | 2019-10-22 | 2019-10-22 | Die-filling height adjusting mechanism of press machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110682587A true CN110682587A (en) | 2020-01-14 |
Family
ID=69113474
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911004497.3A Pending CN110682587A (en) | 2019-10-22 | 2019-10-22 | Die-filling height adjusting mechanism of press machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110682587A (en) |
-
2019
- 2019-10-22 CN CN201911004497.3A patent/CN110682587A/en active Pending
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