CN203109734U - Large main shaft end face grinding tool - Google Patents
Large main shaft end face grinding tool Download PDFInfo
- Publication number
- CN203109734U CN203109734U CN 201320012612 CN201320012612U CN203109734U CN 203109734 U CN203109734 U CN 203109734U CN 201320012612 CN201320012612 CN 201320012612 CN 201320012612 U CN201320012612 U CN 201320012612U CN 203109734 U CN203109734 U CN 203109734U
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- main shaft
- rotary main
- grinding tool
- rotary
- wheel
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Abstract
The utility model provides a large main shaft end face grinding tool. The large main shaft end face grinding face comprises a machine frame which is arranged on a square turret. A grinding device and a power device are arranged on the machine frame. The grinding device comprises a rotary main shaft which is driven by the power device, and two ends of the rotary main shaft are provided with two sand wheels which are driven to rotate with the axes of the sand wheels as main axes through the rotary main shaft. The large main shaft end face grinding tool is arranged on the square turret of a sleeping carriage (large vehicle) to grind two end faces at the position of a large main shaft sliding bearing. Not only can stability and reliability of product quality be guaranteed, but also labor intensity and manufacturing difficulty of workers be reduced.
Description
Technical field
The utility model relates to a kind of grinding tool, relates in particular to a kind of large-scale main shaft end face grinding tool.
Background technology
During at the large-scale main shaft of my company's processing centrifugal fan (band sliding bearing position), because my company's blower fan main shaft sliding bearing position diameter, end face width specifications differ, end finish requires to reach the working position schematic diagram of the attached large-scale main shaft of 0.8(, as shown in Figure 1).Owing to there is not a large-scale main shaft face grinding machine, can't carry out grinding to two end faces of large-scale main shaft sliding bearing position with grinding machine.Carry out grinding if purchase grinding machine in addition, with high costs.After can only adopting sleeping carriage (cart) finish turning main shaft end face at present, adopt the mode of fine sandpaper manual grinding to satisfy the surface roughness requirement.Under this background, need develop a kind of grinding tool and replace the hand sand mode, thereby reach under the situation of not buying large-scale face grinding machine, can guarantee the reliability and stability of product quality, can reduce working strength of workers and manufacture difficulty again.
The utility model content
The utility model proposes on a kind of squaring head that is installed in sleeping carriage (cart), two end faces of large-scale main shaft sliding bearing position are carried out the large-scale main shaft end face grinding tool of grinding, it can overcome deficiency of the prior art effectively, the reliability and stability of product quality can be guaranteed, working strength of workers and manufacture difficulty can be reduced again.
The technical solution of the utility model is achieved in that a kind of large-scale main shaft end face grinding tool, comprise the frame that is installed on the lathe squaring head, grinding attachment and power set are installed on the described frame, described grinding attachment comprises the rotary main shaft that is driven by power set, and the two ends of described rotary main shaft are provided with and drive with its axial line by rotary main shaft is two emery wheels of rotation rotation.
As preferably, described emery wheel is bowl molding sand wheel.
As preferably, described power set are in transmission connection by transmission mechanism and rotary main shaft.
As preferably, described power set are motor, described transmission mechanism is belt gear, described belt gear by electrical machine belt pulley, main shaft belt wheel and be set in electrical machine belt pulley and the main shaft belt wheel on V belt constitute, described electrical machine belt pulley is fixed on the output shaft of motor, and described main shaft belt wheel is fixed on the middle part of rotary main shaft.
As preferably, described grinding attachment also comprises the main shaft fixture of hollow, the middle part of described rotary main shaft is positioned at main shaft fixture inside, described emery wheel is positioned at the outside of main shaft fixture, be respectively arranged with two through holes that the end passes for rotary main shaft on the end walls of main shaft fixture, the two ends of described main shaft fixture also are respectively arranged with bearing, and described bearing fixing is in the inside of main shaft fixture, and be set on the rotary main shaft, form interference fit with rotary main shaft.
As preferably, described main shaft fixture is made of bearing cap and the uncovered grinding wheel stand of an end, the opening end coupling of described bearing cap and grinding wheel stand, and the bearing fixing of this end is in bearing cap, described bearing cap is fixed by bolt and grinding wheel stand, is connected with end cap at the other end of grinding wheel stand by bolt.
As preferably, described emery wheel arranged outside has guard shield, and described guard shield is fixed on the main shaft fixture.
As preferably, two ends of described rotary main shaft are symmetrical arranged, each end is disposed with round platform section and thread segment by the middle part to the end, described emery wheel is fixed on the end of rotary main shaft by emery wheel cover, lock sleeve and nut, emery wheel emery wheel cover back on sheathed is fixed by lock sleeve, the inwall of described emery wheel cover cooperates with the round platform section of rotary main shaft, emery wheel be enclosed within sheathed on after the round platform section of rotary main shaft, the thread segment by nut and rotary main shaft forms fixing.
As preferably, described frame comprises holder and installing rack, and described motor is installed in the top of holder, and described installing rack is fixedly connected on a side of holder, and an end of installing rack is fixedlyed connected with a side of grinding wheel stand, and the part that installing rack and grinding wheel stand and belt are interfered is set to cavity.
As preferably, the rectangular vertical bar type in cross section that is shaped as of described installing rack, described holder comprises the rectangular frame of being made up of the horizontal installing plate that is rectangle, rectangular base plate, installation side plate and secondary side plate, described rectangular base plate is parallel with horizontal installing plate, described installation side plate is parallel with secondary side plate, the junction that side plate and horizontal installing plate are installed is provided with the right angle stiffener, and described installing rack is fixedly connected on the outside that side plate is installed.
The beneficial effects of the utility model are: this instrument can be directly installed on the lathe squaring head, and this instrument can be realized two end faces of large-scale main shaft sliding bearing position are carried out grinding by the emery wheel of power set drive grinding attachment.During use, diameter according to machining spindle, to the installation site of this instrument adjust suitable after, compress the fastening bolt of squaring head, after fine setting is proofreaied and correct, start power set and drive two emery wheel rotations, with the squaring head feeding process principle of lathe, two end faces to large-scale main shaft carry out grinding respectively, and the amount of feeding and the depth of cut adopt reasonable parameter to carry out.To repair emery wheel before the processing, make it and main shaft end face contact area minimum.By practical proof, this instrument result of use is relatively good, and after the processing, the surface roughness of two end faces of large-scale main shaft sliding bearing position can reach 0.13～0.25, can satisfy the specification requirement of drawing fully.The applicability of instrument, versatility and safe on structural design; In the use of instrument, the intensity of instrument and good rigidly, and use easily.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, the accompanying drawing of required use is done to introduce simply in will describing embodiment below, apparently, accompanying drawing in describing below only is one of them embodiment of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the working position schematic diagram of large-scale main shaft;
Fig. 2 is front view of the present utility model;
Fig. 3 is the cutaway view of bowing of the present utility model;
Fig. 4 is mounting structure schematic diagram of the present utility model.
Among the figure: 1, large-scale main shaft; 2, squaring head; 3, fastening bolt; 4, installing rack; 5, threephase asynchronous machine; 6, rotary main shaft; 7, bearing cap; 8, grinding wheel stand; 9, set bolt; 10, end cap; 11, deep groove ball bearing; 12, bowl molding sand wheel; 13, emery wheel cover; 14, lock sleeve; 15, nut; 16, guard shield; 17, electrical machine belt pulley; 18, main shaft belt wheel; 19, V belt; 20, key A; 21, key B; 22, circlip; 31, horizontal installing plate; 32, base plate; 33, side plate is installed; 34, secondary side plate; 35, right angle stiffener; 36, bolt; 37, tightening seat; 38, holding screw.
The specific embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is one of them embodiment of the utility model, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
Extremely shown in Figure 4 as Fig. 2, a kind of large-scale main shaft end face grinding tool, comprise the frame that is installed on the lathe squaring head 2, described frame comprises holder and installing rack 4, the rectangular vertical bar type in cross section that is shaped as of described installing rack 4, described holder comprises by the horizontal installing plate 31 that is rectangle, base plate 32, the rectangular frame that side plate 33 and secondary side plate 34 are formed is installed, described base plate 32 is parallel with horizontal installing plate 31, described installation side plate 33 is parallel with secondary side plate 34, the junction that side plate 33 and horizontal installing plate 31 are installed is provided with right angle stiffener 35, increases the structural strength of holder.Described installing rack 4 is parallel to horizontal installing plate 31 and is welded on the outside, bottom that side plate 33 is installed.Installing rack 4 length are greater than the length that side plate 33 is installed, one end of installing rack 4 with install side plate 33 wherein one hold level with both hands neat, installing rack 4 other ends stretch out the other end that side plate 33 is installed, so can make installing rack 4 big with the bonding area that side plate 33 is installed, guarantee the welding fastness, thereby increased the stability of support.
Grinding attachment and power set are installed on the described frame, described power set are installed in the top of horizontal installing plate 31, in the present embodiment, power set are threephase asynchronous machine 5, offer the through hole corresponding with installing hole on the threephase asynchronous machine 5 on the described horizontal installing plate 31, and pass installing hole on the threephase asynchronous machine 5 successively and the through hole on the horizontal installing plate 31 is fixed threephase asynchronous machine 5 by bolt 36.Two groups of tightening seats 37 that be arranged in parallel are also fixedly arranged on the horizontal installing plate 31, offer screw on the tightening seat 37, every group of tightening seat 37 is two, every group of tightening seat 37 is symmetricly set in the both sides of the mount pad of threephase asynchronous machine 5 respectively, holding screw 38 of each tightening seat 37 configuration, the lateral vertical of the mount pad of the axis of holding screw 38 and threephase asynchronous machine 5, described holding screw 38 is selected square head screw for use.Four holding screws 38 prop up the side of the mount pad of corresponding threephase asynchronous machine 5, further threephase asynchronous machine 5 are gripped, and increase the stability of threephase asynchronous machine 5, prevent that threephase asynchronous machine 5 is shifted in the course of the work.
Described grinding attachment comprises main shaft fixture and the rotary main shaft 6 of hollow.Described main shaft fixture is made of bearing cap 7 and the uncovered grinding wheel stand 8 of an end, and described bearing cap 7 mates with the opening end of grinding wheel stand 8, and forms fixing by set bolt 9 and grinding wheel stand 8.The outside of the other end of grinding wheel stand 8 is connected with end cap 10 by set bolt 9.Described installing rack 4 is fixedlyed connected with a side of main shaft fixture away from an end of holder, and namely installing rack 4 is fixedlyed connected with the sidewall middle part of grinding wheel stand 8 away from the end of holder.
The middle part of described rotary main shaft 6 is positioned at main shaft fixture inside center, be respectively arranged with two through holes that the end passes for rotary main shaft 6 on the end walls of main shaft fixture, be all to offer through hole on grinding wheel stand 8 ends at bearing cap 7, end cap 10 places and the end cap 10, wherein, the part matched in clearance that through hole on bearing cap 7 and the end cap 10 and rotary main shaft 6 are corresponding, the through hole of grinding wheel stand 8 ends at end cap 10 places is greater than the through hole on the end cap 10.Through hole on the grinding wheel stand 8 is more greatly to process for convenience, and the setting of end cap 10 then is for this through hole on the grinding wheel stand 8 being sealed, playing the dustproof effect.
The inside of described main shaft fixture is provided with two bearings, two bearings are deep groove ball bearing 11, be respectively arranged with bearing mounting hole in one end of grinding wheel stand 8 close end caps 10 and the bearing cap 7, two deep groove ball bearings 11 are set in respectively on the rotary main shaft 6 and form interference fit with rotary main shaft 6, and two deep groove ball bearings 11 are fastened in respectively in two bearing mounting holes.The setting of bearing makes the rotation of rotary main shaft 6 smooth and easy, avoids clamping stagnation, and can keep the stability of rotation.
The two ends of described rotary main shaft 6 are provided with two emery wheels, and described emery wheel is bowl molding sand wheel 12.Two ends of described rotary main shaft 6 are symmetrical arranged, each end is disposed with round platform section and thread segment by the middle part to the end, described bowl molding sand wheel 12 is by emery wheel cover 13, lock sleeve 14 and nut 15 are fixed on the end of rotary main shaft 6, bowl molding sand wheel 12 emery wheel cover 13 backs on sheathed are fixing by lock sleeve 14, the inwall of described emery wheel cover 13 cooperates with the round platform section of rotary main shaft 6, after the round platform section of emery wheel cover 13 rotary main shaft 6 on sheathed, being threaded with the thread segment of rotary main shaft 6 by nut 15 compresses emery wheel cover 13, makes bowl molding sand wheel 12 and rotary main shaft 6 form fixing.The outside of each bowl molding sand wheel 12 is provided with guard shield 16, two guard shields 16 are separately fixed at the two ends of main shaft fixture, namely guard shield 16 is fixed on the outside of bearing cap 7 by set bolt 9, and another guard shield 16 is fixed on the outside of end cap 10 by set bolt 9.Guard shield 16 can play protective action when the emery wheel explosion, prevent that the emery wheel fragment of explosion from hurting sb.'s feelings.
The middle part of described rotary main shaft 6 is in transmission connection by transmission mechanism and threephase asynchronous machine 5.Described transmission mechanism is belt gear, and described belt gear is by electrical machine belt pulley 17, main shaft belt wheel 18 and be set in electrical machine belt pulley 17 and constitute with V belt 19 on the main shaft belt wheel 18.Described electrical machine belt pulley 17 is fixed on the output shaft of threephase asynchronous machine 5, offer corresponding keyway A on the inwall of the outer wall of the output shaft of threephase asynchronous machine 5 and electrical machine belt pulley 17, after electrical machine belt pulley 17 is set on the output shaft, the key A20 that packs in keyway A and match can make output shaft and electrical machine belt pulley 17 form fixing.Described main shaft belt wheel 18 is fixed on the middle part of rotary main shaft 6, offer corresponding keyway B on the inwall of the outer wall at the middle part of rotary main shaft 6 and main shaft belt wheel 18, after main shaft belt wheel 18 is set on the rotary main shaft 6, the key B21 that packs in keyway B and match can make rotary main shaft 6 and main shaft belt wheel 18 form fixing.Rotary main shaft 6 is respectively arranged with backstop step and backstop groove at the two ends of main shaft belt wheel 18, be provided with circlip 22 in the described backstop groove, backstop step and circlip 22 are fitted with the two ends of main shaft belt wheel 18, main shaft belt wheel 18 is positioned, prevent in the work engineering that 18 displacements of main shaft belt wheel guarantee that the rotation of V belt 19 remains on same plane, prevent that emery wheel from off-axis taking place in rotation process, thereby guaranteed the grinding accuracy of emery wheel to the end face of large-scale main shaft 1 sliding bearing position.For fear of V belt 19 is caused interference, the structure of opening wide all is arranged in the top of grinding wheel stand 8 and bottom, and the corresponding V belt 19 of the part that installing rack 4 is connected with grinding wheel stand 8 offers groove.
During use, the diameter of Jia Gong large-scale main shaft 1 as required, to the installation site of this instrument adjust suitable after, installing rack 4 cards of frame are placed in the installation position of squaring head 2, compress the fastening bolt 3 of squaring head 2, after fine setting is proofreaied and correct, starting threephase asynchronous machine 5 rotates by transmission mechanism driven rotary main shaft 6, rotary main shaft 6 drives two emery wheel rotations, squaring head 2 feeding process principles with lathe, two end faces to large-scale main shaft 1 carry out grinding respectively, and the amount of feeding and the depth of cut adopt reasonable parameter to carry out.To repair emery wheel before the processing, make it and large-scale main shaft 1 end face contact area minimum.By practical proof, this instrument result of use is relatively good, and after the processing, the surface roughness of two end faces of large-scale main shaft 1 sliding bearing position can reach 0.13～0.25, can satisfy the specification requirement of drawing fully.The applicability of instrument, versatility and safe on structural design; In the use of instrument, the intensity of instrument and good rigidly, and use easily.
The above only is preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (10)
1. one kind large-scale main shaft end face grinding tool, it is characterized in that: comprise the frame that is installed on the lathe squaring head, grinding attachment and power set are installed on the described frame, described grinding attachment comprises the rotary main shaft that is driven by power set, and the two ends of described rotary main shaft are provided with and drive with its axial line by rotary main shaft is two emery wheels of rotation rotation.
2. large-scale main shaft end face grinding tool according to claim 1 is characterized in that: described emery wheel is bowl molding sand wheel.
3. large-scale main shaft end face grinding tool according to claim 1 and 2, it is characterized in that: described power set are in transmission connection by transmission mechanism and rotary main shaft.
4. large-scale main shaft end face grinding tool according to claim 3, it is characterized in that: described power set are motor, described transmission mechanism is belt gear, described belt gear by electrical machine belt pulley, main shaft belt wheel and be set in electrical machine belt pulley and the main shaft belt wheel on V belt constitute, described electrical machine belt pulley is fixed on the output shaft of motor, and described main shaft belt wheel is fixed on the middle part of rotary main shaft.
5. large-scale main shaft end face grinding tool according to claim 4, it is characterized in that: described grinding attachment also comprises the main shaft fixture of hollow, the middle part of described rotary main shaft is positioned at main shaft fixture inside, described emery wheel is positioned at the outside of main shaft fixture, be respectively arranged with two through holes that the end passes for rotary main shaft on the end walls of main shaft fixture, the two ends of described main shaft fixture also are respectively arranged with bearing, described bearing fixing is in the inside of main shaft fixture, and be set on the rotary main shaft, form interference fit with rotary main shaft.
6. large-scale main shaft end face grinding tool according to claim 5, it is characterized in that: described main shaft fixture is made of bearing cap and the uncovered grinding wheel stand of an end, the opening end coupling of described bearing cap and grinding wheel stand, the bearing fixing of this end is in bearing cap, described bearing cap is fixed by bolt and grinding wheel stand, is connected with end cap at the other end of grinding wheel stand by bolt.
7. large-scale main shaft end face grinding tool according to claim 6, it is characterized in that: described emery wheel arranged outside has guard shield, and described guard shield is fixed on the main shaft fixture.
8. large-scale main shaft end face grinding tool according to claim 7, it is characterized in that: two ends of described rotary main shaft are symmetrical arranged, each end is disposed with round platform section and thread segment by the middle part to the end, described emery wheel is fixed on the end of rotary main shaft by emery wheel cover, lock sleeve and nut, emery wheel emery wheel cover back on sheathed is fixed by lock sleeve, the inwall of described emery wheel cover cooperates with the round platform section of rotary main shaft, after emery wheel was enclosed within the sheathed round platform section that goes up rotary main shaft, the thread segment by nut and rotary main shaft formed fixing.
9. large-scale main shaft end face grinding tool according to claim 8, it is characterized in that: described frame comprises holder and installing rack, described motor is installed in the top of holder, described installing rack is fixedly connected on a side of holder, and an end of installing rack is fixedlyed connected with a side of grinding wheel stand, and the part that installing rack and grinding wheel stand and belt are interfered is set to cavity.
10. large-scale main shaft end face grinding tool according to claim 9, it is characterized in that: the rectangular vertical bar type in cross section that is shaped as of described installing rack, described holder comprises the rectangular frame of being made up of the horizontal installing plate that is rectangle, rectangular base plate, installation side plate and secondary side plate, described rectangular base plate is parallel with horizontal installing plate, described installation side plate is parallel with secondary side plate, the junction that side plate and horizontal installing plate are installed is provided with the right angle stiffener, and described installing rack is fixedly connected on the outside that side plate is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320012612 CN203109734U (en) | 2013-01-10 | 2013-01-10 | Large main shaft end face grinding tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320012612 CN203109734U (en) | 2013-01-10 | 2013-01-10 | Large main shaft end face grinding tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203109734U true CN203109734U (en) | 2013-08-07 |
Family
ID=48890111
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320012612 Withdrawn - After Issue CN203109734U (en) | 2013-01-10 | 2013-01-10 | Large main shaft end face grinding tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203109734U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103056735A (en) * | 2013-01-10 | 2013-04-24 | 重庆通用工业(集团)有限责任公司 | End grinding tool for large spindles |
-
2013
- 2013-01-10 CN CN 201320012612 patent/CN203109734U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103056735A (en) * | 2013-01-10 | 2013-04-24 | 重庆通用工业(集团)有限责任公司 | End grinding tool for large spindles |
| CN103056735B (en) * | 2013-01-10 | 2016-04-20 | 重庆通用工业(集团)有限责任公司 | Large main arbor cross grinding instrument |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130807 Effective date of abandoning: 20160420 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |