CN212080097U - Speed reducer for eliminating gear backlash - Google Patents
Speed reducer for eliminating gear backlash Download PDFInfo
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- CN212080097U CN212080097U CN202020683209.3U CN202020683209U CN212080097U CN 212080097 U CN212080097 U CN 212080097U CN 202020683209 U CN202020683209 U CN 202020683209U CN 212080097 U CN212080097 U CN 212080097U
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Abstract
The utility model relates to a decelerator technical field just discloses an eliminate decelerator of gear backlash, which comprises a fixed base, the top and the equal fixed mounting in bottom of fixing base have the fixed plate, and the shifting chute has all been seted up to one side that two fixed plates are close to each other, and equal slidable mounting has the removal seat in two shifting chutes, has all seted up spacing hole on two removal seats, and equal slidable mounting has the gag lever post in two spacing holes, and the both ends of gag lever post respectively with one side inner wall fixed connection of corresponding shifting chute, and first rotation groove has all been seted up to two one end that remove the seat and be close to each other. The utility model discloses a to the removal of first gear with fixed, conveniently adjust the distance of first gear and second gear, can effectively solve the driven precision problem of numerical control equipment, effectively eliminated the influence of first gear and second gear teeth side clearance to transmission feeding precision, satisfied the needs of using.
Description
Technical Field
The utility model relates to a decelerator technical field especially relates to an eliminate decelerator of gear backlash.
Background
In a feeding system of numerical control equipment, in order to ensure transmission precision, a gap eliminating device is required to be added, the traditional gap eliminating device is a gear which is processed into a gear with certain conicity in the tooth direction, and when the tooth side gap is increased, the gear is axially adjusted to eliminate the gap.
The disadvantages of this device are: on one hand, the gear with the tooth direction taper is difficult to process, and the cost is high; on the other hand, the speed reducer needs to adjust the clearance frequently after running for a certain time, and the equipment is unstable in running, so that the use requirement cannot be met.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems that the gear with tooth taper is difficult to process and the cost is high in the prior art; the speed reducer needs to adjust clearance frequently after running for a certain time, and equipment is unstable in running, so that the use requirement cannot be met.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a speed reducer for eliminating gear backlash comprises a fixed seat, wherein fixed plates are fixedly arranged at the top end and the bottom end of the fixed seat, moving grooves are formed in one sides, close to each other, of the two fixed plates, moving seats are slidably arranged in the two moving grooves, limiting holes are formed in the two moving seats, limiting rods are slidably arranged in the two limiting holes, two ends of each limiting rod are fixedly connected with the inner wall of one side of the corresponding moving groove, a first rotating groove is formed in one end, close to each other, of each moving seat, the same first rotating column is rotatably arranged in the two first rotating grooves, a first gear is fixedly sleeved on the outer side of each first rotating column, a second rotating groove is formed in one side, close to each other, of the two fixed plates, the same second rotating column is rotatably arranged in the two second rotating grooves, and a second gear is fixedly sleeved on the outer side of each second rotating column, and the second gear meshes with first gear mutually, and first post of rotating is spacing to first gear.
Preferably, two connecting holes have been seted up on the fixing base, equal slidable mounting has the connecting plate in two connecting holes, and one side fixed connection that the second rotated the post is all kept away from to the outside of fixing base and with corresponding removal seat to the one end of two connecting plates, and the other end of two connecting plates all extends to the outside of fixing base and fixed mounting has the arm-tie, and the removal of arm-tie drives the connecting plate and removes.
Preferably, first spout has all been seted up to one side that two connecting plates kept away from each other, and equal fixed mounting has first slider on the one side inner wall that two connecting holes kept away from each other, and two first sliders respectively with corresponding first spout sliding connection, make a round trip first slider carry on spacingly to two connecting plates.
Preferably, the locating holes are formed in the two first sliding blocks, the locating rods are arranged in the two locating holes in a sliding mode, the two ends of each locating rod are fixedly connected with the inner wall of one side of the corresponding first sliding groove respectively, and the locating rods limit the first sliding blocks.
Preferably, two second chutes are formed in one side, away from the first gear, of the fixing seat, the second sliding blocks are arranged in the two second chutes in a sliding mode, one ends of the two second sliding blocks extend to the outer side of the fixing seat, clamping rods are fixedly arranged on the outer side of the fixing seat, clamping grooves are formed in one sides, close to each other, of the two connecting plates, one ends, away from each other, of the two clamping rods are clamped with the corresponding clamping grooves respectively, and the clamping rods and the clamping grooves are clamped with each other to fix the connecting plates.
Preferably, the equal fixed mounting in one side that the fixing base was kept away from to two kellies has the connecting seat, all rotate the rotor plate of installing the slope symmetry setting on two connecting seats, the one end that two rotor plates are close to each other is rotated and is installed same mounting panel, one side fixed mounting that the mounting panel is close to the fixing base has the embedding board, the embedding groove has been seted up to the one end that the mounting panel was kept away from to the embedding board, slidable mounting has the embedding pole in the embedding groove, and the one end of embedding pole extend to the outside of embedding board and with fixing base fixed connection, the embedding pole carries on spacingly to.
Preferably, the one end fixed mounting that the mounting panel was kept away from to the embedding board has the spacing spring of cover establishing in the embedding pole outside, and the one end and the fixing base fixed connection that the embedding board was kept away from to spacing spring plays spacing and the effect that resets.
Preferably, the equal fixed mounting in one side that two second sliders are close to each other has reset spring, and the one end that two reset springs kept away from each other is respectively with the one side inner wall fixed connection that two corresponding second spouts are close to each other, and reset spring plays spacing and effect that resets.
Preferably, the number of draw-in grooves is a plurality of, and a plurality of draw-in grooves are the equidistance distribution on the connecting plate of horizontal direction, and a plurality of draw-in grooves carry out multiposition fixed to the connecting plate.
Compared with the prior art, the utility model provides an eliminate decelerator of gear backlash possesses following beneficial effect:
1. this eliminate decelerator of gear backlash, through pulling the mounting panel earlier, the spacing spring of mounting panel extension, spacing spring energy-absorbing, simultaneously, the mounting panel drives two rotor plates and removes, two rotor plates drive two connecting seats and remove, two connecting seats drive two kellies and remove, two kellies drive two second sliders and remove, two second slider compression two reset springs, two reset spring energy-absorbing, make two kellies shift out in two draw-in grooves, then keep two mounting panels motionless, then press two kellies, two connecting plates drive two and remove the seat and remove, two remove the seat and drive same first rotation post and remove, first rotation is closed and is driven first gear and remove, conveniently adjust the distance between first gear and the second gear and remove
2. After the reduction gear for eliminating the gear backlash is adjusted, the mounting plate is loosened, and the two clamping rods are clamped into the two clamping grooves under the spring resilience acting force of the limiting spring and the return spring to fix the first gear;
and the part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses a to the removal and the fixed of first gear, conveniently adjust the distance of first gear and second gear, can effectively solve the driven precision problem of numerical control equipment, effectively eliminated the influence of first gear and second gear teeth of a cogwheel side clearance to transmission feeding precision, satisfied the needs of using.
Drawings
Fig. 1 is a schematic front view of a reduction gear for eliminating gear backlash according to the present invention;
fig. 2 is a schematic structural view of a part a of a reduction gear for eliminating gear backlash according to the present invention;
fig. 3 is a schematic structural diagram of a part B of a reduction gear for eliminating gear backlash according to the present invention;
fig. 4 is a schematic structural diagram of a part C of the reduction gear for eliminating the backlash of the gear according to the present invention.
In the figure: 1 fixing base, 2 fixed plates, 3 moving grooves, 4 moving bases, 5 limiting holes, 6 limiting rods, 7 first rotating grooves, 8 first rotating columns, 9 first gears, 10 second rotating grooves, 11 second rotating columns, 12 second gears, 13 connecting holes, 14 connecting plates, 15 pulling plates, 16 first sliding grooves, 17 first sliding blocks, 18 positioning holes, 19 positioning rods, 20 second sliding grooves, 21 second sliding blocks, 22 clamping rods, 23 clamping grooves, 24 connecting seats, 25 rotating plates, 26 mounting plates, 27 embedded plates, 28 embedded grooves, 29 embedded rods, 30 limiting springs and 31 return springs.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Referring to fig. 1-4, a speed reducer for eliminating gear backlash comprises a fixed base 1, fixed plates 2 are fixedly mounted at the top end and the bottom end of the fixed base 1, moving grooves 3 are respectively formed at the mutually close sides of the two fixed plates 2, moving seats 4 are respectively slidably mounted in the two moving grooves 3, limiting holes 5 are respectively formed in the two moving seats 4, limiting rods 6 are respectively slidably mounted in the two limiting holes 5, two ends of each limiting rod 6 are respectively fixedly connected with the inner wall of one side of the corresponding moving groove 3, first rotating grooves 7 are respectively formed at the mutually close ends of the two moving seats 4, the same first rotating column 8 is rotatably mounted in the two first rotating grooves 7, a first gear 9 is fixedly sleeved at the outer side of the first rotating column 8, second rotating grooves 10 are respectively formed at the mutually close sides of the two fixed plates 2, the same second rotating column 11 is rotatably mounted in the two second rotating grooves 10, the fixed cover in the outside of second rotation post 11 is equipped with second gear 12, and second gear 12 meshes with first gear 9 mutually, and first rotation post 8 is spacing to first gear 9.
The utility model discloses in, two connecting holes 13 have been seted up on fixing base 1, equal slidable mounting has connecting plate 14 in two connecting holes 13, and one side fixed connection that the second rotated post 11 is all extended to fixing base 1's the outside and kept away from with corresponding removal seat 4 to two connecting plate 14's one end, and two connecting plate 14's the other end all extends to fixing base 1's the outside and fixed mounting has arm-tie 15, and arm-tie 15's removal drives connecting plate 14 and removes.
The utility model discloses in, first spout 16 has all been seted up to one side that two connecting plates 14 kept away from each other, and equal fixed mounting has first slider 17 on the one side inner wall that two connecting holes 13 kept away from each other, and two first sliders 17 respectively with 16 sliding connection of corresponding first spout, make a round trip first slider 17 carry on spacingly to two connecting plates 14.
Preferably, the two first sliding blocks 17 are provided with positioning holes 18, the two positioning holes 18 are internally provided with positioning rods 19, the two ends of each positioning rod 19 are fixedly connected with the inner wall of one side of the corresponding first sliding groove 16, and the positioning rods 19 limit the first sliding blocks 17.
The utility model discloses in, fixing base 1 keeps away from one side of first gear 9 and has seted up two second spouts 20, equal slidable mounting has second slider 21 in two second spouts 20, the one end of two second sliders 21 all extends to fixing base 1's the outside and fixed mounting has kelly 22, draw-in groove 23 has all been seted up to one side that two connecting plates 14 are close to each other, and the one end that two kellies 22 kept away from each other clamps with corresponding draw-in groove 23 respectively mutually, kelly 22 clamps mutually with draw-in groove 23 and fixes connecting plate 14.
The utility model discloses in, the equal fixed mounting in one side that fixing base 1 was kept away from to two kellies 22 has connecting seat 24, all rotate on two connecting seats 24 and install the rotor plate 25 that the slope symmetry set up, the one end that two rotor plates 25 are close to each other is rotated and is installed same mounting panel 26, one side fixed mounting that mounting panel 26 is close to fixing base 1 has embedded plate 27, embedded plate 27 keeps away from the one end of mounting panel 26 and has seted up embedded groove 28, slidable mounting has embedded rod 29 in embedded groove 28, and embedded rod 29's one end extend to embedded plate 27 the outside and with fixing base 1 fixed connection, embedded rod 29 carries on spacingly to embedded plate 27.
The utility model discloses in, the one end fixed mounting that mounting panel 26 was kept away from to embedded plate 27 establishes the spacing spring 30 in the embedded rod 29 outside, and spacing spring 30 keeps away from embedded plate 27's one end and fixing base 1 fixed connection, and spacing spring 30 plays spacing and the effect that resets.
The utility model discloses in, the equal fixed mounting in one side that two second sliders 21 are close to each other has reset spring 31, and the one end that two reset spring 31 were kept away from each other is respectively with the one side inner wall fixed connection that two corresponding second spouts 20 are close to each other, and reset spring 31 plays spacing and the effect that resets.
The utility model discloses in, the quantity of draw-in groove 23 is a plurality ofly, and a plurality of draw-in grooves 23 are horizontal direction equidistance and distribute on connecting plate 14, and a plurality of draw-in grooves 23 carry out the multiposition to connecting plate 14 and fix.
In the utility model, when in use, the mounting plate 26 is pulled first, the mounting plate 26 stretches the limiting spring 30, the limiting spring 30 absorbs energy, at the same time, the mounting plate 26 drives the two rotating plates 25 to move, the two rotating plates 25 drive the two connecting seats 24 to move, the two connecting seats 24 drive the two clamping rods 22 to move, the two clamping rods 22 drive the two second sliders 21 to move, the two second sliders 21 compress the two reset springs 31, the two reset springs 31 absorb energy, the two clamping rods 22 move out of the two clamping grooves 23, then the two mounting plates 26 are kept still, then the two pulling plates 15 are pressed, the two pulling plates 15 drive the two first sliders 17 to move in the two first chutes 16, the two positioning rods 19 limit the two connecting plates 14, at the same time, the two connecting plates 14 drive the two moving seats 4 to move, the two moving seats 4 drive the same first rotating column 8 to move, first rotation closes 8 and rents the drive first gear 9 and removes, conveniently adjusts the distance between first gear 9 and the second gear 12, adjusts the back, then loosens mounting panel 26, under the spring resilience effort through spacing spring 30 and reset spring 31, makes two kelly 22 cards go into in two draw-in grooves 23, fixes first gear 9, the utility model discloses a to the removal of first gear 9 with fixed, conveniently adjust the distance of first gear 9 and second gear 12, can effectively solve the driven precision problem of numerical control equipment, effectively eliminated the influence of first gear 9 and the 12 tooth side clearances of second gear to the transmission precision of feeding, satisfied the needs that use.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (9)
1. A speed reducer for eliminating gear backlash comprises a fixed seat (1) and is characterized in that fixed plates (2) are fixedly mounted at the top end and the bottom end of the fixed seat (1), moving grooves (3) are formed in one side, close to each other, of each fixed plate (2), moving seats (4) are slidably mounted in the two moving grooves (3), limiting holes (5) are formed in the two moving seats (4), limiting rods (6) are slidably mounted in the two limiting holes (5), two ends of each limiting rod (6) are fixedly connected with the inner wall of one side of the corresponding moving groove (3), first rotating grooves (7) are formed in one ends, close to each other, of the two moving seats (4), the same first rotating column (8) is rotatably mounted in the two first rotating grooves (7), a first gear (9) is fixedly sleeved on the outer side of the first rotating column (8), second rotation groove (10) have all been seted up to one side that two fixed plates (2) are close to each other, and same second rotation post (11) are installed to two second rotation groove (10) internal rotations, and the outside fixed cover of second rotation post (11) is equipped with second gear (12), and second gear (12) and first gear (9) mesh mutually.
2. The reduction gear for eliminating the gear backlash as claimed in claim 1, wherein the fixing base (1) is provided with two connecting holes (13), two connecting plates (14) are slidably mounted in the two connecting holes (13), one ends of the two connecting plates (14) extend to the outside of the fixing base (1) and are fixedly connected with one side of the corresponding moving base (4) far away from the second rotating column (11), and the other ends of the two connecting plates (14) extend to the outside of the fixing base (1) and are fixedly provided with pull plates (15).
3. The reduction gear for eliminating the gear backlash according to claim 2, wherein the two connecting plates (14) are provided with first sliding grooves (16) on the sides far away from each other, the inner walls of the two connecting holes (13) on the sides far away from each other are fixedly provided with first sliding blocks (17), and the two first sliding blocks (17) are respectively connected with the corresponding first sliding grooves (16) in a sliding manner.
4. The reduction gear for eliminating the gear backlash according to claim 3, wherein the two first sliding blocks (17) are respectively provided with a positioning hole (18), the two positioning holes (18) are respectively and slidably provided with a positioning rod (19), and two ends of each positioning rod (19) are respectively and fixedly connected with an inner wall of one side of the corresponding first sliding groove (16).
5. The reduction gear for eliminating the gear backlash according to claim 1, wherein two second sliding grooves (20) are formed in one side of the fixing seat (1) far away from the first gear (9), second sliding blocks (21) are slidably mounted in the two second sliding grooves (20), one ends of the two second sliding blocks (21) extend to the outer side of the fixing seat (1) and are fixedly provided with clamping rods (22), clamping grooves (23) are formed in one sides of the two connecting plates (14) close to each other, and one ends of the two clamping rods (22) far away from each other are respectively clamped with the corresponding clamping grooves (23).
6. The reduction gear for eliminating the gear backlash as claimed in claim 5, wherein one side of each of the two clamping rods (22) far away from the fixed seat (1) is fixedly provided with a connecting seat (24), the two connecting seats (24) are rotatably provided with rotating plates (25) which are obliquely and symmetrically arranged, one end of each of the two rotating plates (25) close to each other is rotatably provided with a same mounting plate (26), one side of each of the mounting plates (26) close to the fixed seat (1) is fixedly provided with an embedded plate (27), one end of each of the embedded plates (27) far away from the mounting plate (26) is provided with an embedded groove (28), the embedded groove (28) is internally provided with an embedded rod (29), and one end of each embedded rod (29) extends to the outer side of the embedded plate (27) and is fixedly connected with the fixed seat (1).
7. A reduction gear for eliminating gear backlash according to claim 6, wherein a limiting spring (30) sleeved outside the embedded rod (29) is fixedly installed at one end of the embedded plate (27) far away from the mounting plate (26), and one end of the limiting spring (30) far away from the embedded plate (27) is fixedly connected with the fixed seat (1).
8. A reduction gear unit for eliminating gear backlash according to claim 5, wherein the two second sliding blocks (21) are fixedly provided with a return spring (31) on the side close to each other, and the ends of the two return springs (31) far away from each other are fixedly connected with the inner wall of the side close to each other of the two corresponding second sliding chutes (20).
9. A reduction gear unit for eliminating gear backlash according to claim 5, wherein said engagement groove (23) is provided in plurality, and a plurality of engagement grooves (23) are horizontally equidistantly distributed on the connecting plate (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020683209.3U CN212080097U (en) | 2020-04-29 | 2020-04-29 | Speed reducer for eliminating gear backlash |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020683209.3U CN212080097U (en) | 2020-04-29 | 2020-04-29 | Speed reducer for eliminating gear backlash |
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| Publication Number | Publication Date |
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| CN212080097U true CN212080097U (en) | 2020-12-04 |
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| CN202020683209.3U Active CN212080097U (en) | 2020-04-29 | 2020-04-29 | Speed reducer for eliminating gear backlash |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114801280A (en) * | 2022-04-27 | 2022-07-29 | 金丰（中国）机械工业有限公司 | Gear phase correction device and method for multi-station punching machine |
-
2020
- 2020-04-29 CN CN202020683209.3U patent/CN212080097U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114801280A (en) * | 2022-04-27 | 2022-07-29 | 金丰（中国）机械工业有限公司 | Gear phase correction device and method for multi-station punching machine |
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