CN105422828A - Transmission gap eliminating mechanism of circular screen printer - Google Patents
Transmission gap eliminating mechanism of circular screen printer Download PDFInfo
- Publication number
- CN105422828A CN105422828A CN201610016496.0A CN201610016496A CN105422828A CN 105422828 A CN105422828 A CN 105422828A CN 201610016496 A CN201610016496 A CN 201610016496A CN 105422828 A CN105422828 A CN 105422828A
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- CN
- China
- Prior art keywords
- torsion spring
- gear
- transmission shaft
- screen printer
- circular screen
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/12—Arrangements for adjusting or for taking-up backlash not provided for elsewhere
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/12—Arrangements for adjusting or for taking-up backlash not provided for elsewhere
- F16H2057/126—Self-adjusting during operation, e.g. by a spring
- F16H2057/127—Self-adjusting during operation, e.g. by a spring using springs
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Springs (AREA)
Abstract
The invention discloses a transmission gap eliminating mechanism of a circular screen printer. The transmission gap eliminating mechanism comprises a transmission shaft, an auxiliary gear and a tensional spring. A main gear is arranged on the transmission shaft. The auxiliary gear and the torsional spring are arranged on the transmission shaft and are tightly attached to the main gear. A first connecting hole is formed in a driven wheel. The position, close to one end of the driven wheel, of the transmission shaft is provided with a second connecting hole. One end of the torsional spring is installed in the first connecting hole. The other end of the torsional spring is installed in the second connecting hole. The main gear and the auxiliary gear are fixedly installed on the transmission shaft through a boss and a pressing plate. The torsional spring is arranged between the transmission shaft and the auxiliary gear, and the structure is simple; only the connecting holes need to be formed in the transmission shaft and the gear, installation is convenient, and cost is low; the transmission shaft and the gear are fixedly connected through the boss and the pressing plate, and therefore the game phenomenon is more stably eliminated through the mechanism, stability is greatly improved, and work efficiency is improved.
Description
Technical field:
The present invention relates to a kind of printing machine, be specifically related to a kind of drive gap cancellation element of circular screen printer.
Background technique:
The drive gap cancellation element of existing circular screen printer, mostly that the synchromesh gear engaged with Timing Belt is cut into two-part, gear fixes torsion spring, the pulling force of torsion spring is utilized to realize side set, existing a kind of new gear disappears clearance mechanism, comprise transmission shaft, it is provided with actuation gear, side set gear, torsion spring, actuation gear and topping gear adopt same gear to be split to form through Linear cut, torsion spring is embedded between bidentate, this complex structure, and install constant, cost is also very high, and there is drive gap between driving wheel and follower, operationally can produce reverse vibrations, and its impulsive torque produced when increasing suddenly heavy duty by zero load can affect whole power system, thus reduce the working life of gear.
Summary of the invention:
Object of the present invention is intended in order to avoid the deficiency in background technique, the automatic eliminating machine of drive gap of the circular screen printer providing a kind of technique effect excellent.
Technological scheme of the present invention is: a kind of automatic eliminating machine of drive gap of circular screen printer, comprise transmission shaft, master gear is arranged on transmission shaft, to be arranged on transmission shaft and master gear fits tightly from gear, torsion spring, it is characterized in that: follower has the first attachment hole, the described transmission shaft position mutually close with follower one end has the second attachment hole, it is inner that described one end is arranged on the first attachment hole, the other end is arranged in the second attachment hole, described master gear and being fixedly mounted on transmission shaft by boss and pressing plate from gear.
Described torsion spring mechanism, mainly comprise fixing pin, torsion spring, connecting pin, line shaft and sleeve, it is characterized in that: sleeve lateral wall has fixed hole, bottom is provided with the mounting hole connected with other devices, torsion spring is structure cylindrically, one end fixed hole, the other end has bar-shaped trough along its outer wall, during work, two torsion springs are had to be placed in sleeve, be fixed through the relative position of positioning hole to torsion spring and sleeve by fixing pin, line shaft is arranged among torsion spring, one end is provided with two positioning holes, two connecting pins through line shaft fixed hole and and torsion spring on bar-shaped trough, line shaft is connected with torsion spring, sleeve is fixed on other devices, line shaft rotates and drives torsion spring to rotate generation deformation generation moment of torsion.
When described torsion spring is placed in sleeve, two connecting pins are stuck in the top of the bar-shaped trough of a torsion spring, and another is stuck in the bottom of carrying a torsion spring bar-shaped trough, only have a torsion spring to apply moment of torsion via connecting pin to it when line shaft is rotated.
Described boss is positioned at gear center hole periphery, and boss is the structure of cross cone tank, and described pressing plate center hole is sleeved on boss, and pressing plate both sides are fixed on gear respectively by link.
Described link is adjusting screw, and the end of adjusting screw is without screw section, and be threadless cylindrical body without screw section, cylindrical diameter is less than the outer screw flight diameter of adjusting screw, and described screw flight is fine thread.
The both sides of the end of described adjusting screw are provided with plat mill part.
Described connecting pin comprises head, the first neck be connected with head, the first step portion be connected with the first neck, the first main part be connected with first step portion, the second neck be connected with the first main part, the second step portion be connected with the second neck, the second main part of being connected with second step portion.A ring-type holding tank along the circumferential direction extended is formed at the outer surface of the first main part.
Accompanying drawing illustrates:
Below in conjunction with accompanying drawing, the present invention is described further:
Fig. 1 is that the master of clearance eliminating mechanism of the present invention looks cross-sectional schematic;
Fig. 2 is mechanism's pie graph of torsion spring of the present invention;
Fig. 3 is the structural drawing of torsion spring of the present invention
Fig. 4 is the B-B sectional view of Fig. 3;
Fig. 5 is the structural representation of gear fixed block of the present invention;
Fig. 6 is the structural representation of adjusting screw of the present invention;
Fig. 7 is the sectional view of connecting pin of the present invention.
Embodiment:
For making technological means of the present invention, create feature, reach object and effect is easy to understand, below in conjunction with embodiment, set forth the present invention further.
As shown in Figure 1, technological scheme of the present invention is: a kind of automatic eliminating machine of drive gap of circular screen printer, comprise transmission shaft 1, master gear 2 is arranged on transmission shaft 1, to be arranged on transmission shaft 1 and master gear 2 fits tightly from gear 3, torsion spring 4, follower has the first attachment hole, described transmission shaft 1 position mutually close with follower one end has the second attachment hole, it is inner that described torsion spring 4 one end is arranged on the first attachment hole, the other end is arranged in the second attachment hole, structure is simple, only need to arrange fixing attachment hole on transmission shaft 1 and gear 33, easy for installation, with low cost.
Specifically, drive gap cancellation element is used for eliminating the gap between gear specially, because after the gear operation time has been grown, gear can wear and tear, gap will be produced between gear, like this, abnormal sound will be produced between gear, gear-driven accuracy can reduce, first fixed hole 5 with between the second fixed hole by there being the torsion spring 4 of certain pretightening force to be connected, the elimination of gear clearance of the present invention is exactly the pretightening force relying on torsion spring 4, rotate from gear 3 at transmission shaft 1, side set is produced with master gear 2, make to be close to engaging gear from gear 3 and master gear 2, thus elimination gear clearance, this device can at Spur Gear Driving and Helical gear Transmission, in running, master gear 2 be equivalent to a gear from gear 3, engage with engaging gear.
As preferably, master gear 2 described as shown in Figure 5 and be fixedly mounted on transmission shaft 1 by boss 31 and pressing plate 32 from gear 3, described boss 31 is positioned at gear 33 center hole periphery, boss 31 is the structure of cross cone tank, described pressing plate 32 center hole is sleeved on boss 31, and pressing plate 32 both sides are fixed on gear 33 respectively by link.
During use, rotatingshaft is through gear 33 center hole and boss 31, gear 33 is installed on the rotating shaft, adjusting screw 50, apply power now to the cross recess conical surface of boss 31, the extruding of this power has certain flexible cross cone tank, and boss 31 is out of shape, gear 33 is allowed to be engaged on the rotating shaft, this power allows between gear 33 and pressing plate 32 and remains certain distance simultaneously, uses for a long time, and gear 33 also can not produce the phenomenon of play.
As preferably, as Fig. 2, shown in Fig. 3 and Fig. 4, described torsion spring 4 mechanism, mainly comprise fixing pin 11, torsion spring 4, connecting pin 13, line shaft 14 and sleeve 15, it is characterized in that: sleeve 15 sidewall has fixed hole, bottom is provided with the mounting hole connected with other devices, torsion spring 4 cylindrically structure, one end fixed hole, the other end has bar-shaped trough along its outer wall, during work, two torsion springs 4 are had to be placed in sleeve 15, be fixed through the relative position of positioning hole to torsion spring 4 and sleeve 15 by fixing pin 11, line shaft 14 is arranged among torsion spring 4, one end is provided with two positioning holes, two connecting pins 13 through line shaft 14 fixed hole and and torsion spring 4 on bar-shaped trough, line shaft 14 is connected with torsion spring 4, sleeve 15 is fixed on other devices, line shaft 14 rotates and drives torsion spring 4 to rotate generation deformation generation moment of torsion.
When described torsion spring 4 is placed in sleeve 15, two connecting pins 13 are stuck in the top of the bar-shaped trough of a torsion spring 4, another is stuck in the bottom of carrying torsion spring 4 bar-shaped trough, a torsion spring 4 is only had to apply moment of torsion via connecting pin 13 to it when line shaft 14 is rotated, the material of torsion spring 4 is spring steel, Quenching Treatment, and the equipment that so solves is the problems such as moment of torsion is asymmetric in break-in, structure is simply effective, with low cost.
As preferably, as shown in Figure 6, described link is adjusting screw 50, the end of adjusting screw 50 is without screw section, be threadless cylindrical body without screw section, cylindrical diameter is less than the outer screw flight diameter of adjusting screw 50, and described screw flight is fine thread, and the both sides of end are provided with plat mill part.This adjusting screw 50 end is cylindrical body, is so just equivalent to add guiding, and make screw thread energy accurate bite between adjusting screw 50 and nut, effectively prevent the generation of the problems referred to above, product is more reliable and more stable; It is flat that this adjusting screw 50 end increases milling, like this except carrying out turn adjusting screw 50 by screw head cross recess, straight groove or polygonal normally, outside adjustment product parameters, also the plat mill part by clamping adjusting screw 50 end carrys out turn screw, adjustment parameter, makes the parameter of equipment regulate convenient.
As preferably, as shown in Figure 7, described connecting pin 13 comprises head 101, the first neck 102 be connected with head 101, the first step portion 103 be connected with the first neck 102, the first main part 104 be connected with first step portion 103, the second neck 105 be connected with the first main part 104, the second step portion 106 be connected with the second neck 105, the second main part 107 of being connected with second step portion 106.Be formed with a ring-type holding tank 109 along the circumferential direction extended at the outer surface of the first main part 104, above-mentioned various piece is all coaxial, and head 101 is in circular cone shape; First neck 102 shrinks towards radially inner side slightly, and its outer surface is roughly ring-type arc surface; First step portion 103 has the step surface of circular cone shape; First main part 104 cylindrically; Second neck 105 is similar to the first neck 102, and also shrink towards radially inner side, its outer surface is also roughly the same with the outer surface of the first neck 102 is ring-type arc surface; Second step portion 106 has the step surface of the axis perpendicular of connecting pin 13; Second main part 107 is also cylindric.
So, the scrap produced because of friction between connected component and connecting pin can temporarily be stored in holding tank 109, avoids causing damage to slip surface, in addition, the application of this kind of connecting pin both can avoid the rising of cost, and the switching performance that can improve again connecting pin 13 removes performance with being connected.
Described embodiment in order to illustrative the present invention, but not for limiting the present invention.Any those skilled in the art all without prejudice under spirit of the present invention and category, can modify to described embodiment, therefore the scope of the present invention, should listed by claim of the present invention.
Claims (7)
1. the automatic eliminating machine of the drive gap of a circular screen printer, comprise transmission shaft (1), master gear (2) is arranged on transmission shaft (1), be arranged on that the upper and master gear (2) of transmission shaft (1) fits tightly from gear (3), torsion spring (4), it is characterized in that: follower has the first attachment hole (5), described transmission shaft (1) position mutually close with follower one end has the second attachment hole (6), it is inner that described torsion spring (4) one end is arranged on the first attachment hole, the other end is arranged in the second attachment hole, described master gear (2) and being fixedly mounted on transmission shaft (1) by boss (31) and pressing plate (32) from gear (3).
2. the automatic eliminating machine of drive gap of the circular screen printer according to claims 1, it is characterized in that: described torsion spring mechanism, mainly comprise fixing pin (11), torsion spring (4), connecting pin (13), line shaft (14) and sleeve (15), it is characterized in that: sleeve (15) sidewall has fixed hole, bottom is provided with the mounting hole connected with other devices, torsion spring (4) cylindrically structure, one end fixed hole, the other end has bar-shaped trough along its outer wall, during work, two torsion springs (4) are had to be placed in sleeve (15), be fixed through the relative position of positioning hole to torsion spring (4) and sleeve (15) by fixing pin (11), line shaft (14) is arranged among torsion spring (4), one end is provided with two positioning holes, two connecting pins (13) through line shaft (14) fixed hole and and torsion spring (4) on bar-shaped trough, line shaft (14) is connected with torsion spring (4), sleeve (15) is fixed on other devices, line shaft (14) rotates and drives torsion spring (4) to rotate generation deformation generation moment of torsion.
3. the automatic eliminating machine of drive gap of the circular screen printer according to claims 1 or 2, it is characterized in that: described torsion spring (4) be placed in sleeve (15) interior time, two connecting pins (13) are stuck in the top of the bar-shaped trough of a torsion spring (4), another is stuck in the bottom of carrying torsion spring (4) bar-shaped trough, only has a torsion spring (4) to apply moment of torsion via connecting pin (13) to it when line shaft (14) is rotated.
4. the automatic eliminating machine of drive gap of the circular screen printer according to claims 1, it is characterized in that: described boss (31) is positioned at gear (33) center hole periphery, the structure that boss (31) is cross cone tank, described pressing plate (32) center hole is sleeved on boss (31), and pressing plate (32) both sides are fixed on gear (33) respectively by link.
5. the automatic eliminating machine of drive gap of the circular screen printer according to claims 4, it is characterized in that: described link is adjusting screw (50), the end of adjusting screw (50) is without screw section, be threadless cylindrical body without screw section, cylindrical diameter is less than the outer screw flight diameter of adjusting screw (50), and described screw flight is fine thread.
6. the automatic eliminating machine of drive gap of the circular screen printer according to claims 4 or 5, is characterized in that: the both sides of the end of described adjusting screw (50) are provided with plat mill part.
7. according to the automatic eliminating machine of the drive gap of the circular screen printer according to claims 2, it is characterized in that: described connecting pin (13) comprises head (101), the first neck (102) be connected with head (101), the first step portion (103) be connected with the first neck (102), the first main part (104) be connected with first step portion (103), the second neck (105) be connected with the first main part (104), the second step portion (106) be connected with the second neck (105), the second main part (107) be connected with second step portion.A ring-type holding tank (109) along the circumferential direction extended is formed at the outer surface of the first main part (104).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610016496.0A CN105422828A (en) | 2016-01-11 | 2016-01-11 | Transmission gap eliminating mechanism of circular screen printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610016496.0A CN105422828A (en) | 2016-01-11 | 2016-01-11 | Transmission gap eliminating mechanism of circular screen printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105422828A true CN105422828A (en) | 2016-03-23 |
Family
ID=55501266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610016496.0A Pending CN105422828A (en) | 2016-01-11 | 2016-01-11 | Transmission gap eliminating mechanism of circular screen printer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105422828A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2879276A1 (en) * | 2004-12-15 | 2006-06-16 | Renault Sas | Drive shaft e.g. cam shaft, and driven shaft e.g. crankshaft, clearance compensation system for e.g. gasoline engine, has sprocket wheels with teeth whose one of two flanks converge towards other flanks to form wedge between teeth of wheels |
| CN101672313A (en) * | 2009-10-12 | 2010-03-17 | 贵州华阳电工有限公司 | Structure for fixing gear |
| CN102064043A (en) * | 2010-11-30 | 2011-05-18 | 苏州华旃航天电器有限公司 | Protector adjusting screw with delicate structure |
| CN102146949A (en) * | 2010-02-05 | 2011-08-10 | 杨鲁川 | Connection pin |
| CN103244594A (en) * | 2013-04-25 | 2013-08-14 | 贵州航天控制技术有限公司 | Torsional spring mechanism generating symmetrical torque |
| DE102012102401A1 (en) * | 2012-03-21 | 2013-09-26 | Kolbenschmidt Pierburg Innovations Gmbh | Device for phase shifting the angle of rotation of a drive wheel to an output shaft |
| CN204061843U (en) * | 2014-03-14 | 2014-12-31 | 宁波市鄞州剑均机械科技有限公司 | Gear clearance cancellation element |
| CN205298505U (en) * | 2016-01-11 | 2016-06-08 | 湖州吉昌丝绸有限公司 | Circular screen printer's transmission clearance eliminating mechanism |
-
2016
- 2016-01-11 CN CN201610016496.0A patent/CN105422828A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2879276A1 (en) * | 2004-12-15 | 2006-06-16 | Renault Sas | Drive shaft e.g. cam shaft, and driven shaft e.g. crankshaft, clearance compensation system for e.g. gasoline engine, has sprocket wheels with teeth whose one of two flanks converge towards other flanks to form wedge between teeth of wheels |
| CN101672313A (en) * | 2009-10-12 | 2010-03-17 | 贵州华阳电工有限公司 | Structure for fixing gear |
| CN102146949A (en) * | 2010-02-05 | 2011-08-10 | 杨鲁川 | Connection pin |
| CN102064043A (en) * | 2010-11-30 | 2011-05-18 | 苏州华旃航天电器有限公司 | Protector adjusting screw with delicate structure |
| DE102012102401A1 (en) * | 2012-03-21 | 2013-09-26 | Kolbenschmidt Pierburg Innovations Gmbh | Device for phase shifting the angle of rotation of a drive wheel to an output shaft |
| CN103244594A (en) * | 2013-04-25 | 2013-08-14 | 贵州航天控制技术有限公司 | Torsional spring mechanism generating symmetrical torque |
| CN204061843U (en) * | 2014-03-14 | 2014-12-31 | 宁波市鄞州剑均机械科技有限公司 | Gear clearance cancellation element |
| CN205298505U (en) * | 2016-01-11 | 2016-06-08 | 湖州吉昌丝绸有限公司 | Circular screen printer's transmission clearance eliminating mechanism |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160323 |