CN210878898U

CN210878898U - Driving device of hob edge grinding machine

Info

Publication number: CN210878898U
Application number: CN201921752234.6U
Authority: CN
Inventors: 倪渝州; 郝磊; 周建钊
Original assignee: Yingkou Guanhua Machine Tools Co ltd
Current assignee: Yingkou Guanhua Machine Tools Co ltd
Priority date: 2019-10-18
Filing date: 2019-10-18
Publication date: 2020-06-30
Anticipated expiration: 2029-10-18

Abstract

The utility model discloses a hobbing cutter sharpening machine's drive arrangement. The utility model provides a pair of hobbing cutter sharpening machine's drive arrangement, include: hobbing cutter sharpening bed workstation, transmission case, hydraulic pump fixing base, hydraulic pump, driving gear, driven gear and chain, can make the chain be in the preferred state all the time, lead to hinge wearing and tearing when the long-time work of chain, under the condition of pitch grow, the hydraulic pump can adaptive ground rebound under the effect of extension spring for the chain is firm between driving gear and driven gear to be connected, avoids droing, the utility model discloses a hobbing cutter sharpening bed's drive arrangement need not manual regulation alright with the normal use that keeps the chain, labour saving and time saving, and can realize the adaptability according to the wearing and tearing state of chain and adjust, need not frequently to adjust.

Description

Driving device of hob edge grinding machine

Technical Field

The utility model relates to a grinding machine technical field, concretely relates to hobbing cutter sharpening machine's drive arrangement.

Background

The hobbing cutter sharpening machine has the characteristics of high precision, low price, convenient and flexible operation and the like. The hob sharpening machine is mainly used for manufacturing or grinding the cutting plane of the gear hob. The hob grinding machine is a machine tool for grinding the surface of a workpiece by using a grinding tool. Most hob grinding machines use a grinding wheel rotating at high speed for grinding, and a few use other grinders such as oilstone and abrasive belt and free abrasive.

In the prior art, a hob sharpening machine generally utilizes a hydraulic pump to provide power to drive a driving gear on an output shaft of the hydraulic pump to rotate, the driving gear drives a driven gear in a transmission box to rotate through a chain, and finally, the power is transmitted to a transmission shaft, so that a hob on the transmission shaft is driven to rotate. The chain uses for a long time and easily causes the hinge wearing and tearing, leads to the pitch grow to probably cause the condition that the chain drops, present means often avoids the chain not hard up through the position of manual adjustment hydraulic pump, and this kind of mode needs a plurality of bolts of fixed hydraulic pump position to unscrew one by one, screws up again behind the adjustment position, complex operation, and a period of time after, the chain still probably is not hard up, still needs manual regulation once more.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a drive arrangement of hobbing cutter sharpening machine to the drive arrangement who solves current hobbing cutter sharpening machine is loaded down with trivial details to chain anti-drop's regulation, and still needs regular manual regulation's problem after adjusting.

The utility model provides a hobbing cutter sharpening machine's drive arrangement, include: the hobbing cutter sharpening machine comprises a hob sharpening machine workbench, a transmission case, a hydraulic pump fixing seat, a hydraulic pump, a driving gear, a driven gear and a chain;

the transmission case is arranged on the hob sharpening machine workbench, a hollow part is arranged on the top surface of the transmission case, the driven gear is arranged in the hollow part, the hydraulic pump fixing seat is arranged on the upper surface of the transmission case and located on one side of the hollow part, the hydraulic pump is arranged on the hydraulic pump fixing seat, the driving gear is arranged on an output shaft of the hydraulic pump and located above the driven gear, and the driving gear is in transmission connection with the driven gear through the chain;

the hydraulic pump fixing seat comprises a back plate, a side plate, a top plate, a rack, an adjusting gear mounting block, an adjusting gear, a hydraulic pump mounting plate and a hydraulic pump fixing frame; the back plate and the side plates are both vertically arranged on the upper surface of the transmission case, the two side plates are respectively vertically connected to two ends of the back plate, the two side plates are oppositely arranged in parallel, the two side plates are positioned at two ends of the hollow part, the top plate is arranged at the tops of the side plates, the inner side walls of the side plates are provided with grooves, and the racks are arranged on the inner walls of two sides of the grooves;

two adjusting gear rotate connect in one side both ends of adjusting gear installation piece, two adjusting gear respectively with the rack toothing of both sides, the roof with be connected with the extension spring between the adjusting gear installation piece top, the hydraulic pump mounting panel connect in on the adjusting gear installation piece, the hydraulic pump mount set up in on the hydraulic pump mounting panel, the hydraulic pump is fixed in the hydraulic pump mount.

Optionally, both ends of the bottom of the top plate are provided with upper connecting seats, both ends of the top of the adjusting gear mounting block are provided with lower connecting seats, one ends of the tension springs are respectively connected with the upper connecting seats, and the other ends of the tension springs are respectively connected with the lower connecting seats.

Optionally, the hydraulic pump mounting panel includes two upper junction plates, two well connecting plates and lower junction plate, two well connecting plates connect perpendicularly respectively in the both ends upper portion of lower junction plate, two upper junction plates connect perpendicularly respectively in the outside at the top of two well connecting plates, the upper junction plate is fixed in the upper surface of adjusting gear installation piece, the hydraulic pump mount set up in on the lower junction plate.

Optionally, the hydraulic pump mount includes two relatively set up holding framves, the holding frame includes holding frame bottom plate, holding frame medium plate, holding frame upper plate and holding frame semicircle board, the holding frame medium plate connect perpendicularly in the one end top of holding frame bottom plate, the holding frame upper plate connect perpendicularly in the top inboard of holding frame medium plate, the bottom of holding frame semicircle board with the end connection of holding frame upper plate, two the holding frame semicircle board of holding frame becomes circular setting relatively, the hydraulic pump centre gripping with two between the holding frame semicircle board.

Optionally, the top of the semicircular plate of the clamping frame is provided with a vertically arranged bolt connecting plate, and the two bolt connecting plates of the semicircular plate of the clamping frame are oppositely arranged and connected through bolts.

The utility model discloses following beneficial effect has:

the utility model provides a drive arrangement of hobbing cutter sharpening machine, hydraulic pump fixing base set up in on the transmission case, the hydraulic pump sets up in on the hydraulic pump fixing base, through set up the elastic adjustment structure that comprises rack, adjusting gear and extension spring on the hydraulic pump fixing base, can utilize the elasticity of extension spring to upwards stimulate the hydraulic pump fixing base, make the distance between the driving gear of hydraulic pump and the driven gear of transmission case keep in suitable distance, can make the chain be in the preferred state all the time, when the long-time work of chain leads to the hinge wearing and tearing, under the condition that the pitch becomes big, the hydraulic pump can upwards move adaptively under the effect of extension spring, make the chain firmly connect between driving gear and driven gear, avoid droing, the drive arrangement of hobbing cutter sharpening machine of the utility model can keep the normal use of chain without manual regulation, time and labor are saved, adaptability adjustment can be realized according to the abrasion state of the chain, and frequent adjustment is not needed.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a driving device of a hob sharpening machine provided by the present invention.

Fig. 2 is the utility model provides a hobbing cutter sharpening machine's drive arrangement's hydraulic pump fixing base structure sketch map.

Fig. 3 is a schematic diagram of the rack and adjusting gear cooperation of the driving device of the hob sharpening machine provided by the present invention.

Fig. 4 is the utility model provides a structural schematic diagram of the hydraulic pump mounting panel and the hydraulic pump mount of the drive arrangement of hobbing cutter sharpening machine.

Illustration of the drawings: 1-grinding a working table of a hob cutter grinding machine; 2-a transmission case; 3-hydraulic pump fixing base; 4-a hydraulic pump; 5-a drive gear; 22-a driven gear; 6-a chain; 7-a tension spring; 8-a transmission shaft; 21-a hollowed-out portion; 31-a back plate; 32-side plate; 33-a top plate; 34-a rack; 35-adjusting the gear mounting block; 36-an adjustment gear; 37-hydraulic pump mounting plate; 38-hydraulic pump mount; 331-an upper connecting seat; 351-lower connecting seat; 381-holder backplane; 382-middle plate of clamping frame; 383-a clamping frame upper plate; 384-holder half-round plate.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

Exemplary embodiments according to the present application will now be described in more detail with reference to the accompanying drawings. These exemplary embodiments may, however, be embodied in many different forms and should not be construed as limited to only the embodiments set forth herein. It is to be understood that these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the exemplary embodiments to those skilled in the art, in the drawings, the thicknesses of layers and regions are exaggerated for clarity, and the same devices are denoted by the same reference numerals, and thus the description thereof will be omitted.

Referring to fig. 1 to 4, an embodiment of the present invention provides a driving device for a hob sharpening machine, including: the hobbing cutter sharpening machine comprises a hob sharpening machine workbench 1, a transmission case 2, a hydraulic pump fixing seat 3, a hydraulic pump 4, a driving gear 5, a driven gear 22 and a chain 6.

Wherein, transmission case 2 sets up on hobbing cutter

sharpening bed workstation

1, 2 top surfaces of transmission case are provided with fretwork portion 21, driven gear 22 sets up in fretwork portion 21, hydraulic pump fixing base 3 sets up in 2 upper surfaces of transmission case and is located one side of fretwork portion 21, hydraulic pump 4 sets up on hydraulic pump fixing base 3, driving gear 5 sets up on hydraulic pump 4's the output shaft and is located driven gear 22's top, driving gear 5 passes through chain 6 and is connected with driven gear 22 transmission, hydraulic pump 4 provides power, drive hydraulic pump 4 output shaft on driving gear 5 rotates, driving gear 5 drives driven gear 22 in the transmission case 2 through chain 6 and rotates, finally with power transmission to transmission shaft 8, thereby drive the hobbing cutter on the transmission shaft 8 and rotate.

Specifically, the hydraulic pump fixing base 3 includes a back plate 31, a side plate 32, a top plate 33, a rack 34, an adjustment gear mounting block 35, an adjustment gear 36, a hydraulic pump mounting plate 37, and a hydraulic pump fixing frame 38. Backplate 31 and curb plate 32 all set up perpendicularly in transmission case 2 upper surface, and two curb plates 32 connect perpendicularly respectively in the both ends of backplate 31, and two curb plate 32 parallel arrangement relatively, two curb plates 32 are located the both ends of fretwork portion 21, and roof 33 sets up in the top of curb plate 32, and the inside wall of curb plate 32 is provided with the recess, and rack 34 sets up on the both sides inner wall of recess.

Two adjusting gears 36 rotate and connect in one side both ends of adjusting gear installation piece 35, and two adjusting gears 36 mesh with the rack 34 of both sides respectively, are connected with extension spring 7 between roof 33 and the adjusting gear installation piece 35 top, and hydraulic pump mounting panel 37 connects on adjusting gear installation piece 35, and hydraulic pump mount 38 sets up on hydraulic pump mounting panel 37, and hydraulic pump 4 is fixed in hydraulic pump mount 38. The adjusting gear mounting block 35 can move upwards under the tension of the tension spring 7, the adjusting gear 36 rotates in the moving process, and the meshing position between the adjusting gear 36 and the rack 34 is changed.

Specifically, roof 33 bottom both ends are provided with connecting seat 331, and adjusting gear installation piece 35 top both ends are provided with connecting seat 351 down, and the one end of two extension springs 7 is connected with two last connecting seat 331 respectively, and the other end of two extension springs 7 is connected with two connecting seat 351 down respectively.

Specifically, the hydraulic pump mounting plate 37 includes two upper connection plates 371, two middle connection plates 372, and a lower connection plate 373, the two middle connection plates 372 are respectively vertically connected to upper portions of two ends of the lower connection plate 373, the two upper connection plates 371 are respectively vertically connected to outer sides of tops of the two middle connection plates 372, the upper connection plates 371 are fixed to an upper surface of the adjusting gear mounting block 35, and the hydraulic pump fixing frame 38 is disposed on the lower connection plate 373.

Specifically, the hydraulic pump fixing frame 38 includes two opposite clamping frames, each clamping frame includes a clamping frame bottom plate 381, a clamping frame middle plate 382, a clamping frame upper plate 383 and a clamping frame semicircular plate 384, the clamping frame middle plate 382 is vertically connected above one end of the clamping frame bottom plate 381, the clamping frame upper plate 383 is vertically connected inside the top of the clamping frame middle plate 382, the bottom of the clamping frame semicircular plate 384 is connected with the end of the clamping frame upper plate 383, the clamping frame semicircular plates 384 of the two clamping frames are arranged in a circular shape relatively, and the hydraulic pump 4 is clamped between the two clamping frame semicircular plates 384. Further, the top of the semi-circle plate 384 of the clamping frame is provided with a vertically arranged bolt connection plate, and the bolt connection plates of the two semi-circle plates 384 of the clamping frame are oppositely arranged and connected through a bolt.

The utility model discloses a hobbing cutter sharpening machine's drive arrangement's theory of operation as follows:

when the chain 6 is worn due to long-time work and the pitch is increased, the hydraulic pump 4 can adaptively move upwards under the action of the tension spring 7, so that the chain 6 is stably connected between the driving gear 5 and the driven gear 22 and is prevented from falling off. The elasticity of extension spring 7 upwards stimulates hydraulic pump fixing base 3 all the time for distance between the driving gear 5 of hydraulic pump 4 and the driven gear 22 of transmission case 2 keeps at suitable distance, can make chain 6 be in the preferred state all the time, need not manual regulation alright in order to keep the normal use of chain 6, labour saving and time saving, and can realize the adaptability according to the state of wear of chain 6 and adjust, need not frequently to adjust.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A drive arrangement for a hob sharpening machine, comprising: the hob grinding machine comprises a hob grinding machine workbench (1), a transmission case (2), a hydraulic pump fixing seat (3), a hydraulic pump (4), a driving gear (5), a driven gear (22) and a chain (6);

the transmission case (2) is arranged on the hob sharpening machine workbench (1), a hollowed part (21) is arranged on the top surface of the transmission case (2), the driven gear (22) is arranged in the hollowed part (21), the hydraulic pump fixing seat (3) is arranged on the upper surface of the transmission case (2) and is positioned on one side of the hollowed part (21), the hydraulic pump (4) is arranged on the hydraulic pump fixing seat (3), the driving gear (5) is arranged on an output shaft of the hydraulic pump (4) and is positioned above the driven gear (22), and the driving gear (5) is in transmission connection with the driven gear (22) through the chain (6);

the hydraulic pump fixing seat (3) comprises a back plate (31), a side plate (32), a top plate (33), a rack (34), an adjusting gear mounting block (35), an adjusting gear (36), a hydraulic pump mounting plate (37) and a hydraulic pump fixing frame (38); the back plate (31) and the side plates (32) are vertically arranged on the upper surface of the transmission case (2), the two side plates (32) are respectively and vertically connected to two ends of the back plate (31), the two side plates (32) are oppositely arranged in parallel, the two side plates (32) are positioned at two ends of the hollow part (21), the top plate (33) is arranged at the top of the side plates (32), grooves are formed in the inner side walls of the side plates (32), and the racks (34) are arranged on the inner walls of two sides of the grooves;

two adjusting gear (36) rotate connect in one side both ends of adjusting gear installation piece (35), two adjusting gear (36) respectively with rack (34) meshing of both sides, roof (33) with be connected with extension spring (7) between adjusting gear installation piece (35) top, hydraulic pump mounting panel (37) connect in on adjusting gear installation piece (35), hydraulic pump mount (38) set up in on hydraulic pump mounting panel (37), hydraulic pump (4) are fixed in hydraulic pump mount (38).

2. The driving device of a hob sharpening machine according to claim 1, characterized in that the top plate (33) is provided with upper connecting seats (331) at both ends of the bottom, the adjusting gear mounting block (35) is provided with lower connecting seats (351) at both ends of the top, one end of two of said tension springs (7) is respectively connected with two of said upper connecting seats (331), and the other end of two of said tension springs (7) is respectively connected with two of said lower connecting seats (351).

3. The driving device of a hob sharpening machine according to claim 2, wherein said hydraulic pump mounting plate (37) comprises two upper connecting plates (371), two middle connecting plates (372) and a lower connecting plate (373), said two middle connecting plates (372) are respectively vertically connected to the upper portions of both ends of said lower connecting plate (373), said two upper connecting plates (371) are respectively vertically connected to the outer sides of the tops of said two middle connecting plates (372), said upper connecting plates (371) are fixed to the upper surface of said adjusting gear mounting block (35), and said hydraulic pump fixing frame (38) is disposed on said lower connecting plate (373).

4. The drive arrangement of a hob sharpening machine according to claim 3, characterized in that the hydraulic pump mount (38) comprises two oppositely arranged clamp frames, which comprise a clamp frame bottom plate (381), a clamp frame middle plate (382), a clamp frame upper plate (383), and a clamp frame semi-circular plate (384), the clamp frame middle plate (382) is connected vertically above one end of the clamp frame bottom plate (381), the clamp frame upper plate (383) is connected vertically inside the top of the clamp frame middle plate (382), the bottom of the clamp frame semi-circular plate (384) is connected with the end of the clamp frame upper plate (383), the clamp frame semi-circular plates (384) of the two clamp frames are arranged in a circular shape relatively, and the hydraulic pump (4) is clamped between the two clamp frame semi-circular plates (384).

5. The driving device of the hob sharpening machine according to claim 4, characterized in that the top of the semi-circular plates (384) of the holding frame is provided with vertically arranged bolt connection plates, and the bolt connection plates of the two semi-circular plates (384) of the holding frame are oppositely arranged and connected through bolts.