CN115302831A - High-precision guide rail rack manual press - Google Patents
High-precision guide rail rack manual press Download PDFInfo
- Publication number
- CN115302831A CN115302831A CN202210956300.1A CN202210956300A CN115302831A CN 115302831 A CN115302831 A CN 115302831A CN 202210956300 A CN202210956300 A CN 202210956300A CN 115302831 A CN115302831 A CN 115302831A
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- Prior art keywords
- rack
- pressure rod
- press
- hand press
- hand
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- 238000000034 method Methods 0.000 abstract description 14
- 230000008569 process Effects 0.000 abstract description 14
- 238000003825 pressing Methods 0.000 abstract description 4
- 230000006872 improvement Effects 0.000 description 9
- 230000005540 biological transmission Effects 0.000 description 8
- 230000009471 action Effects 0.000 description 5
- 239000003638 chemical reducing agent Substances 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B1/00—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen
- B30B1/24—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen by rack-and-pinion means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
Abstract
The invention provides a high-precision guide rail rack manual press machine, which comprises a hand press machine main body and a manual driving assembly arranged at one end of the hand press machine main body, and is characterized by further comprising: the pressure rod is arranged at one end of the hand press main body in a sliding manner and meshed with the manual driving assembly; a guide member for controlling the sliding accuracy of the pressure rod; and a gap adjusting assembly for adjusting the sliding gap of the pressure rod; one side of the pressure rod is provided with a rack meshed with the manual driving assembly, and one side opposite to the rack is provided with at least one bulge. The pressure rod is arranged on the guide piece in a pressing mode through the fact that the pressure rod is matched with the V-shaped adjusting block on one side of the pressure rod, perpendicularity of the pressure rod in the reciprocating motion process is guaranteed, meanwhile, the effect of the adjusting and matching adjusting block of the size of the guide piece is utilized, gap adjustment of the rack and the gear is achieved, the minimum meshing gap is guaranteed, and reciprocating motion precision of the pressure rod is further improved.
Description
Technical Field
The invention relates to the technical field of mechanical presses, in particular to a high-precision guide rail rack manual press.
Background
The hand press is light and small stamping equipment, has the characteristics of exquisite structure, excellent performance, convenient operation, stable precision, safety, reliability and the like, has adjustable open height and stroke length, is exquisite in structure and convenient to operate, and is widely applied to the assembly of small and medium-sized parts in precision planetary speed reducers, automobile, electronics and ship mechanical parts, such as the assembly of piston pins and holes and the like.
For the assembly of the precision planetary reducer, the requirements on the verticality and the parallelism of a manual press are high, so that the precision of the precision planetary reducer after assembly can meet the technological requirements.
Chinese patent CN2862435Y discloses a hand press machine, which comprises a base, a column fixed on the base, and a machine beam capable of adjusting sliding on the column, wherein a vertical hole is opened at the cantilever end of the machine beam, a sliding main shaft is arranged in the hole, a rack is opened on the axial outer surface of the sliding main shaft, a gear engaged with the cantilever end is arranged in the cantilever end, and an adjusting handle in transmission connection with the gear is arranged on the outer side wall of the cantilever end. The hand press has only 4 large components, few components, easy adjustment of the stroke of the main shaft, good verticality and simple and convenient operation.
However, the technical scheme has the following problems:
1. the sliding main shaft which is arranged in a circular shape penetrates through the vertical hole, and the gap between the rack and the gear on the main shaft cannot be adjusted;
2. after the main shaft or the vertical hole is worn, the main shaft or the vertical hole cannot be repaired, and only parts can be replaced;
3. after the main shaft or the vertical hole is abraded, the reciprocating motion precision of the main shaft is influenced, and high verticality cannot be guaranteed.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide a high-precision guide rail rack manual press machine, which is characterized in that a pressure rod is arranged on one side in a V shape and matched with a V-shaped adjusting block to be pressed on a guide piece all the time, so that the verticality of the pressure rod in the reciprocating motion process is ensured, meanwhile, the adjustment of the size of the guide piece is matched with the action of the adjusting block, the adjustment of the gap between a rack and a gear is realized, the minimum meshing gap is ensured, and the reciprocating motion precision of the pressure rod is further improved.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a high accuracy guide rail rack manual press, includes the hand press main part and locates the manual drive subassembly of hand press main part one end, its characterized in that still includes:
the pressure rod is arranged at one end of the hand press main body in a sliding manner and meshed with the manual driving assembly;
a guide member for controlling the sliding accuracy of the pressure rod; and
a gap adjusting assembly for adjusting the sliding gap of the pressure rod;
one side of the pressure rod is provided with a rack meshed with the manual driving assembly, and one side opposite to the rack is provided with at least one bulge.
As an improvement, the bulges are used for controlling the gaps of the pressure rod in front and back and left and right.
As a modification, the bulge is provided with one V-shaped bulge.
As an improvement, the number of the guide pieces is two, and the two guide pieces are respectively arranged on two sides of the meshing position of the manual driving assembly and the rack.
As a modification, the guide member is connected with the hand press main body; one side of the guide piece is provided with a guide groove, and two sides of the guide groove are abutted against two sides of the rack.
As an improvement, the clearance adjusting assembly comprises an adjusting block for pressing the pressure rod, and the adjusting block is connected with the upper end of the hand press main body.
As an improvement, a V-shaped groove matched with the V-shaped bulge is formed in one side, close to the pressure rod, of the adjusting block.
As an improvement, the clearance adjusting assembly further comprises an adjusting pad arranged between the adjusting block and the hand press main body.
As an improvement, the upper end part of the hand press main body is provided with a U-shaped groove, the guide piece is clamped on the U-shaped groove, and the pressure rod is arranged in the U-shaped groove in a sliding mode.
As an improvement, the width of the rack is matched with the width of the guide groove.
As an improvement, the manual driving assembly comprises a gear shaft and a hand wheel, the gear shaft is rotatably arranged at the upper end of the hand press main body, the hand wheel is connected with the gear shaft, and the gear shaft is in meshing transmission with the rack.
The invention has the beneficial effects that:
(1) According to the invention, the pressure rod is set to be of a special-shaped structure and is matched with the action of the adjusting block, so that the technical problem that the precision of the transmission cylindrical pressure rod cannot be repaired after being worn is solved, and meanwhile, the pressure rod keeps high-precision reciprocating motion by utilizing the width guide of the rack on the pressure rod and the transverse guide action of the pressure rod by the guide piece, so that the precision of the stress of the pressure rod on a workpiece is improved, and the precision of the assembly process of the workpiece is further improved;
(2) According to the invention, the guide rod arranged in a V shape is matched with the adjusting block arranged in the V shape, so that the transverse positioning of the guide rod is realized, the adjustment of the sliding clearance of the guide rod is realized, and the adjustment of the meshing clearance of the gear and the rack is further realized, thereby ensuring the stability and the transmission precision of the pressure rod in the transmission process; the pressure rod arranged in a V shape is horizontal, so that the front and back positioning precision can be ensured, and the left and right positioning precision can also be ensured;
(3) According to the invention, through the arrangement of the adjusting pad, the adjusting range and the adjusting precision of the adjusting block are improved, and the meshing clearance between the gear and the rack is further ensured to be in an optimal state;
in conclusion, the invention has the advantages of stable operation, high positioning precision, good consistency of repeated action precision and the like.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a pressure bar according to the present invention;
FIG. 3 is a schematic cross-sectional view of the overall structure of the present invention;
FIG. 4 is an enlarged view of a portion A of FIG. 3 according to the present invention;
FIG. 5 is a schematic view of the construction of the guide of the present invention;
FIG. 6 is a cross-sectional structural view illustrating the operation state of the pressure rod according to the present invention;
FIG. 7 is a schematic view of the adjusting block of the present invention;
FIG. 8 is a structural view showing an installation state of a guide member according to the present invention;
FIG. 9 is a schematic view of the main body structure of the hand press of the present invention;
FIG. 10 is a schematic diagram of a third embodiment of the present invention;
fig. 11 is a schematic structural diagram of a fourth embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Example one
As shown in fig. 1, the present embodiment provides a high precision guide rail rack hand press, which includes a hand press main body 1, a base 11 and a manual driving assembly 2 disposed at one end of the hand press main body 1, wherein an upper end of the base 11 is provided with a worktable 12 for placing a workpiece, and the manual press further includes: the pressure rod 3 is arranged at one end of the hand press main body 1 in a sliding manner and meshed with the manual driving component 2; the lower end of the pressure rod 3 is connected with a pressure head 31, and the pressure head 31 and the pressure rod 3 are arranged in a split manner or in an integrated manner; a guide member 4 arranged between the rack 32 and the hand press main body 1 for controlling the sliding precision of the pressure rod 3; and a gap adjusting assembly 5 for adjusting the sliding gap of the pressure rod 3; one side of the pressure rod 3 is provided with a rack 32 meshed with the manual driving component 2, and the side opposite to the rack 32 is provided with at least one bulge;
as shown in fig. 6, the protrusion 33 is used to control the gap between the pressure lever and the pressure lever.
It should be noted that, the guide 4 cooperates with the clearance adjustment assembly 5 to compress the pressure rod 3, so that the pressure rod 3 can ensure the verticality and the parallelism in the sliding process, and further improve the precision of the pressure head 31 acting on the workpiece, so that the workpiece has higher assembly precision in the assembly process, for example, the guide is suitable for assembling parts of a high-precision planetary reducer, and the parallelism and the verticality in the assembly process of the workpiece can be ensured to be within 0.001 mm. And the manual press is a general press processing machine with stronger inertia and has irreplaceable advantages.
In this embodiment, as shown in fig. 2, one and V-shaped protrusion 33 is provided on the protrusion;
it should be noted that, through the meshing transmission of the rack 32 and the gear 211, the vertical reciprocating motion of the pressure rod 3 is realized, and the arrangement of the V-shaped protrusion 33 ensures the verticality and the parallelism of the pressure rod 3 in the sliding process.
Further, as shown in fig. 3-4, two guiding members 4 are provided, and are respectively provided at two sides of the engagement portion of the manual driving assembly 2 and the rack 32; one end of the guide piece is provided with a positioning table, the positioning table is clamped with the hand press main body 1, and the guide piece is fixed on the hand press main body 1 through a fastening piece.
It should be noted that, the two guide members 4 symmetrically arranged increase the contact area between the pressure rod 3 and the guide members 4, and improve the stability of the sliding process of the pressure rod 3.
As a modification, as shown in fig. 4 to 5, the guide 4 is connected to the hand press body 1; one side of the guide member 4 is provided with a guide groove 41, and two sides of the guide groove 41 are abutted against two sides of the rack 32.
Preferably, as shown in fig. 6 to 7, the gap adjusting assembly 5 comprises an adjusting block 51 for pressing the pressure rod 3, and the adjusting block 51 is connected with the upper end of the hand press body 1; the adjusting block 51 is connected with the hand press main body 1 through a bolt.
Further, the width of the rack 32 is matched with the width of the guide groove 41, and preferably, the width of the rack 32 is equal to the width of the guide groove 41.
It should be noted that, the two sides of the guide groove 41 are matched with the pressing action of the adjusting block 51, so that the two sides of the rack 32 are pressed against and pressed on the guide member 4, the gap in the up-and-down sliding process of the pressure rod 3 is ensured to be a certain value, the precision in the up-and-down sliding process of the pressure rod 3 is further ensured, and meanwhile, the width of the guide groove 41 is matched with the width of the rack 32, so that the pressure rod 3 is prevented from swinging left and right in the up-and-down sliding process to influence the verticality thereof;
in addition, the clearance between the gear 211 and the rack 32 is adjusted by the cooperation of the guide piece 4 and the adjusting block 51, so that the clearance between the gear 211 and the rack 32 can be adjusted to zero, high-precision meshing transmission is realized, and high-precision operation of the manual press is further realized.
Further, as shown in fig. 7, a V-shaped groove 511 adapted to the V-shaped protrusion 33 is formed on one side of the adjusting block 51 close to the pressure rod 3.
It should be noted that, the pressure rod 3 is pressed against the V-shaped groove 511, and the V-shaped protrusion 33 is matched with the V-shaped groove 511, so that the left and right positions of the pressure rod 3 and the front and back positions of the pressure rod 3 can be ensured, thereby ensuring the accuracy of the pressure rod 3 in the up-and-down reciprocating process.
Preferably, as shown in fig. 9, a U-shaped groove 13 is formed in the upper end of the hand press body 1, the guide 4 is clamped on the U-shaped groove 13, and the pressure rod 3 is slidably disposed in the U-shaped groove 13.
In this embodiment, as shown in fig. 8, the manual driving assembly 2 includes a gear shaft 21 rotatably disposed at an upper end portion of the hand press body 1 and a handwheel 22 connected to the gear shaft 21, and a gear 211 disposed on the gear shaft 21 is in meshing transmission with the rack 32.
Example two
As shown in fig. 6, in which the same or corresponding components as in the first embodiment are denoted by the same reference numerals as in the first embodiment, only the points of difference from the first embodiment will be described below for the sake of convenience. The second embodiment is different from the first embodiment in that:
in this embodiment, the clearance adjustment assembly 5 further includes an adjustment pad 52 disposed between the adjustment block 51 and the hand press main body 1, and when the V-shaped protrusion 33 or the V-shaped groove 511 are worn, the adjustment pad 52 is replaced or repaired, so that the sliding clearance of the pressure rod 3 is maintained at a certain value, which not only can smoothly slide, but also ensures the verticality in the sliding process, and at the same time, reduces the replacement frequency of parts and reduces the manufacturing cost of the parts.
EXAMPLE III
As shown in fig. 9, in which the same or corresponding components as those in the first embodiment are denoted by the same reference numerals as those in the first embodiment, only the points of difference from the first embodiment will be described below for the sake of convenience. The second embodiment is different from the first embodiment in that:
in this embodiment, two V-shaped protrusions 33 are provided on the protrusion.
It should be noted that the plurality of V-shaped protrusions control the front, back, left and right positions of the pressure rod, so that the position of the pressure rod is more accurate, the sliding precision of the pressure rod during reciprocating motion is improved, and the working precision of the hand press is further improved.
Example four
As shown in fig. 10, in which the same or corresponding components as those in the first embodiment are denoted by the same reference numerals as those in the first embodiment, only the points of difference from the first embodiment will be described below for the sake of convenience. The second embodiment is different from the first embodiment in that:
in this embodiment, the protrusions are provided with two and arc-shaped protrusions 330.
The protruding that circular arc shape set up is passed through to this embodiment, makes its direction precision higher, and the slip process of pressure pole is more smooth and easy.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides a manual press of high accuracy guide rail rack, includes the hand press main part and locates the manual drive subassembly of hand press main part one end, its characterized in that still includes:
the pressure rod is arranged at one end of the hand press main body in a sliding manner and meshed with the manual driving assembly;
a guide member for controlling the sliding accuracy of the pressure rod; and
a gap adjusting assembly for adjusting the sliding gap of the pressure rod;
one side of the pressure rod is provided with a rack meshed with the manual driving assembly, and one side opposite to the rack is provided with at least one bulge.
2. A high accuracy rack and pinion hand press as claimed in claim 1 wherein said projections are adapted to control the clearance of the press ram in the fore and aft direction and in the side to side direction.
3. A high precision rack and pinion hand press as claimed in claim 2 wherein the projection is provided with one and V-shaped projection.
4. A high accuracy rack and pinion hand press as claimed in claim 3 wherein there are two of said guides, one on each side of the engagement of the hand drive assembly with the rack.
5. A high precision rack and pinion manual press as in claim 4 wherein said guide is connected to said press body; one side of the guide piece is provided with a guide groove, and two sides of the guide groove are abutted against two sides of the rack.
6. A high precision rack and pinion hand press as in claim 3 wherein the gap adjustment assembly includes an adjustment block that compresses the pressure bar, the adjustment block being connected to the upper end of the hand press body.
7. A high-precision guide rail and rack manual press machine as claimed in claim 6, wherein one side of the adjusting block close to the pressure rod is provided with a V-shaped groove matched with the V-shaped bulge.
8. The high precision rack and pinion manual press of claim 1, wherein the clearance adjustment assembly further includes an adjustment pad disposed between an adjustment block and the hand press body.
9. A high accuracy rack and pinion hand press as claimed in claim 5, characterised in that the width of the rack matches the width of the guide slot.
10. A high precision rack and pinion hand press as in claim 1 wherein the hand drive assembly includes a gear shaft rotatably mounted to the upper end of the hand press body and a hand wheel coupled to the gear shaft, the gear shaft being in meshing engagement with the rack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210956300.1A CN115302831A (en) | 2022-08-10 | 2022-08-10 | High-precision guide rail rack manual press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210956300.1A CN115302831A (en) | 2022-08-10 | 2022-08-10 | High-precision guide rail rack manual press |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115302831A true CN115302831A (en) | 2022-11-08 |
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ID=83860733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210956300.1A Pending CN115302831A (en) | 2022-08-10 | 2022-08-10 | High-precision guide rail rack manual press |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115302831A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4307599A (en) * | 1978-02-21 | 1981-12-29 | Wrona Theodore J | Stamping press |
| CN2368671Y (en) * | 1999-04-16 | 2000-03-15 | 林瑞球 | Hand punch cutter |
| CN2862435Y (en) * | 2005-11-22 | 2007-01-24 | 李引平 | Hand press machine |
| JP2009220196A (en) * | 2008-03-13 | 2009-10-01 | Kanzaki Kokyukoki Mfg Co Ltd | Gear working device |
| CN202209394U (en) * | 2011-08-24 | 2012-05-02 | 山东工友集团股份有限公司 | Vertical drill row rack-and-pinion synchronous guide device |
| CN103434169A (en) * | 2013-06-09 | 2013-12-11 | 高邮市力博机床附件厂 | Pressure machine |
| CN203500445U (en) * | 2013-09-03 | 2014-03-26 | 攀钢集团攀枝花钢钒有限公司 | Adjusting device for gear-driven mechanism |
| CN206313274U (en) * | 2017-01-04 | 2017-07-07 | 深圳市爱默斯科技有限公司 | A kind of hand pressure bender |
| CN108556391A (en) * | 2018-07-05 | 2018-09-21 | 烟台成峰机械科技有限公司 | A kind of space flight component down-lead molding press device |
| CN109353046A (en) * | 2018-10-10 | 2019-02-19 | 合肥合锻智能制造股份有限公司 | A kind of slider guide precision adjusting device of four-column hydraulic press |
| CN217915097U (en) * | 2022-08-10 | 2022-11-29 | 牧川精密传动(浙江)有限公司 | Rack and pinion meshing clearance adjusting device and hand press using same |
-
2022
- 2022-08-10 CN CN202210956300.1A patent/CN115302831A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4307599A (en) * | 1978-02-21 | 1981-12-29 | Wrona Theodore J | Stamping press |
| CN2368671Y (en) * | 1999-04-16 | 2000-03-15 | 林瑞球 | Hand punch cutter |
| CN2862435Y (en) * | 2005-11-22 | 2007-01-24 | 李引平 | Hand press machine |
| JP2009220196A (en) * | 2008-03-13 | 2009-10-01 | Kanzaki Kokyukoki Mfg Co Ltd | Gear working device |
| CN202209394U (en) * | 2011-08-24 | 2012-05-02 | 山东工友集团股份有限公司 | Vertical drill row rack-and-pinion synchronous guide device |
| CN103434169A (en) * | 2013-06-09 | 2013-12-11 | 高邮市力博机床附件厂 | Pressure machine |
| CN203500445U (en) * | 2013-09-03 | 2014-03-26 | 攀钢集团攀枝花钢钒有限公司 | Adjusting device for gear-driven mechanism |
| CN206313274U (en) * | 2017-01-04 | 2017-07-07 | 深圳市爱默斯科技有限公司 | A kind of hand pressure bender |
| CN108556391A (en) * | 2018-07-05 | 2018-09-21 | 烟台成峰机械科技有限公司 | A kind of space flight component down-lead molding press device |
| CN109353046A (en) * | 2018-10-10 | 2019-02-19 | 合肥合锻智能制造股份有限公司 | A kind of slider guide precision adjusting device of four-column hydraulic press |
| CN217915097U (en) * | 2022-08-10 | 2022-11-29 | 牧川精密传动(浙江)有限公司 | Rack and pinion meshing clearance adjusting device and hand press using same |
Non-Patent Citations (1)
| Title |
|---|
| 长春汽车研究所: "汽车设计手册整车底盘卷", 31 December 1998, 长春汽车研究所, pages: 547 * |
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