CN204725260U - A kind of deep hole grinder - Google Patents

A kind of deep hole grinder Download PDF

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Publication number
CN204725260U
CN204725260U CN201520441023.6U CN201520441023U CN204725260U CN 204725260 U CN204725260 U CN 204725260U CN 201520441023 U CN201520441023 U CN 201520441023U CN 204725260 U CN204725260 U CN 204725260U
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CN
China
Prior art keywords
mount pad
grinding
main shaft
motor
deep hole
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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.)
Expired - Fee Related
Application number
CN201520441023.6U
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Chinese (zh)
Inventor
王瑞利
刘成波
班国典
郭天然
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Huanghe Science and Technology College
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Huanghe Science and Technology College
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Priority to CN201520441023.6U priority Critical patent/CN204725260U/en
Application granted granted Critical
Publication of CN204725260U publication Critical patent/CN204725260U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of deep hole grinder, comprise lathe bed, saddle, motor support frame, bistrique bracing frame, workpiece holder, with grinding machine middle frame, on the left of motor support frame, grinding head motor is installed, bistrique bracing frame is provided with internal grinding head, motor is installed with on the right side of workpiece holder, workpiece chuck is installed on the left of workpiece holder, the output shaft of described workpiece chuck and motor links, the output shaft of internal grinding head and grinding head motor links, described internal grinding head comprises main shaft mount pad, grinding spindle is had by bearing assemble in main shaft mount pad, grinding spindle is multidiameter, a left side for grinding spindle, right-hand member all stretches out main shaft mount pad, grinding spindle right-hand member is fixedly connected with emery wheel mount pad, emery wheel mount pad embeds abrasive grinding wheel is installed.Deep hole grinder described in the utility model effectively ensures grinding spindle rotation precision, the advantage such as have little, the good stability of bistrique vibrations, surface to be machined quality is high, cost is low, production efficiency is high and the life-span is long.

Description

A kind of deep hole grinder
Technical field
The utility model belongs to mechanical grinding technical field, is specifically related to a kind of deep hole grinder.
Background technology
Longhole inner circle processing is the grinding of the large difficult point, particularly longhole inner circle of one in current processing industry.Because part to be processed aperture is little, draw ratio is large, and when this just requires wheel grinding, the diameter of bistrique and emery wheel is less, also has higher requirement to the Rigidity and strength of longhole inner circle bistrique simultaneously.If its Rigidity and strength is not high, then easily cause grinding tool deflection, produce processing aperture and become large, occur the phenomenons such as taper, thus do not reach the requirement of crudy, and bistrique is not long for service life.Meanwhile, the assembling of longhole inner circle bistrique and grinding machine, and the situation such as installation steadiness, axiality, the depth of parallelism of each parts of deep hole grinder, all have a strong impact on the crudy of longhole inner circle.
Utility model content
In order to solve precision problem and service life of process equipment of longhole inner circle processing, the utility model provides a kind of deep hole grinder, has that bistrique vibrations are little, the advantage of good stability, thus ensures crudy.
For achieving the above object, the technical scheme taked of the utility model is as follows:
A kind of deep hole grinder, comprise lathe bed, lathe bed upper surface is provided with saddle, saddle left end is provided with motor support frame, on the left of motor support frame, grinding head motor is installed, bistrique bracing frame is installed on the right side of motor support frame, bistrique bracing frame is provided with internal grinding head, grinding machine middle frame is installed in the middle part of saddle, saddle right-hand member is provided with workpiece holder, motor is installed with on the right side of workpiece holder, workpiece chuck is installed on the left of workpiece holder, the output shaft of described workpiece chuck and motor links, in motor support frame, motor coupler is installed, described motor coupler is connected with the output shaft of grinding head motor, described internal grinding head comprises main shaft mount pad, main shaft mount pad left end and bistrique bracing frame frame are fastenedly connected, have grinding spindle by bearing assemble in main shaft mount pad, main shaft mount pad left end is fastening is provided with bearing cover, and main shaft mount pad right-hand member is provided with main shaft mount pad end cap, described grinding spindle is multidiameter, the left and right end of grinding spindle all stretches out main shaft mount pad, and grinding spindle left end is provided with principal axis coupling joint, and the axial direction of principal axis coupling joint is fixed, grinding spindle right-hand member is fixedly connected with emery wheel mount pad, emery wheel mount pad embeds and is provided with abrasive grinding wheel, described principal axis coupling joint left end and motor coupler right-hand member are blade tooth shape, and engage each other.
Preferably, described bearing comprises a pair single row angular contact ball bearing and a pair double-row angular contact ball bearing.
Preferably, described single row angular contact ball bearing is positioned at main shaft mount pad left end, and one of them is installed on the shaft shoulder place of grinding spindle, and another is connected with bearing cover by packing ring, is provided with adjusting bearing collar between two single row angular contact ball bearings.
Preferably, described double-row angular contact ball bearing is positioned at main shaft mount pad right-hand member, one of them is installed on the shaft shoulder place of grinding spindle, and another, by the second round nut and the second round nut stop washer axial restraint, is provided with regulating spring between two double-row angular contact ball bearings.
Further, described adjusting bearing collar comprises outer ring positioning sleeve and inner ring positioning sleeve.
Preferably, described regulating spring comprises spring inner sleeve, is provided with spring outside spring inner sleeve, and spring front and back ends respectively installs a spring base, and described spring inner sleeve is installed on grinding spindle.
Preferably, main shaft mount pad end cap (31) is arranged on main shaft mount pad (26) right-hand member by screw thread.
Preferably, motor coupler (4) is connected with the output shaft (2) of grinding head motor (3) by the first key (5), and grinding spindle (27) left end saves (20) by the second key (18) and is connected with principal axis coupling, described second key (18) is woodruff key.
Preferably, the axial direction of principal axis coupling joint (20) is fixed by the first round nut (17) and the first round nut stop washer (19).
Preferably, between principal axis coupling joint left end and motor coupler right-hand member intermeshing blade tooth, elastomer is installed.
The utility model is according to the processing request of longhole inner circle, and grinding spindle adopts multidiameter, not only ensure that the installation location of longhole inner circle bistrique parts, and is convenient to realize equal strength, avoids grinding spindle because of stressed and wearing and tearing are uneven and produce distortion or rupture.Main shaft mount pad front-end and back-end are all provided with angular contact ball bearing, effectively ensure that the smooth rotation of grinding spindle, and prevent moving axially of grinding spindle; Adopt adjusting bearing collar between the single row angular contact ball bearing of rear end, the axial pre tightening force between adjustable bearings, maintain precision and the service life of single row angular contact ball bearing; Adopt regulating spring between the double-row angular contact ball bearing of front end, make the bearing moment be in pre-pressing state, eliminate the bearing clearance that variations in temperature causes, effectively ensure grinding spindle rotation precision.Abrasive grinding wheel adopts installation by adhering, loads and unloads easy, stable working, also can change according to machining hole size.Link in deep hole grinder the connecting portion of part, all embeds and be installed in bracing frame, effectively ensure that stationarity.Add man-hour, main shaft mount pad directly stretches in hole in piece part, and main shaft mount pad front end grinding spindle stretches out shorter, improves its rigidity well; Internal grinding head and Work piece high-speed reversely rotate, and effectively improve production efficiency.
Therefore, deep hole grinder described in the utility model has little, the good stability of bistrique vibrations, and low cost of manufacture, easy and simple to handle, surface to be machined quality is high, and production efficiency is high, the feature of long service life.
Accompanying drawing explanation
Fig. 1 is the organigram of deep hole grinder described in the utility model;
Fig. 2 is the organigram of internal grinding head described in the utility model;
Fig. 3 is the organigram of regulating spring described in the utility model.
Detailed description of the invention
As shown in Fig. 1 ~ 3, a kind of deep hole grinder, comprises lathe bed 1, and lathe bed 1 upper surface is provided with saddle 16, and saddle 16 comprises transverse feed mechanism and longitudinal feed mechanism.Saddle 16 left end is provided with motor support frame 6, is provided with grinding head motor 3 on the left of motor support frame 6, is provided with motor coupler 4 in motor support frame 6, and described motor coupler 4 is connected with the output shaft 2 of grinding head motor 3 by the first key 5; Bistrique bracing frame 7 is installed on the right side of motor support frame 6, bistrique bracing frame 7 is provided with internal grinding head 9, by trip bolt 8, internal grinding head 9 is fixed on bistrique bracing frame 7; The left end of internal grinding head 9 is installed on bistrique bracing frame 7, and the left end of internal grinding head 9 and motor coupler 4 right-hand member are blade tooth shape, and intermeshes, and is provided with elastomer 10 between blade tooth.Saddle 16 right-hand member is provided with workpiece holder 14, motor 15 is installed with on the right side of workpiece holder 14, be provided with workpiece chuck 13 on the left of workpiece holder 14, described workpiece chuck 13 is used for fixing workpiece 12 to be processed, and the output shaft of workpiece chuck 13 right-hand member and motor 15 links.Grinding machine middle frame 11 is installed in the middle part of saddle, contributes to the axiality adjusting workpiece 12 and internal grinding head 9.
Described internal grinding head 9, comprise the main shaft mount pad 26 play supporting role, grinding spindle 27 is had by bearing assemble in main shaft mount pad 26, main shaft mount pad 26 left end is fastening is provided with bearing cover 21, main shaft mount pad 26 right-hand member has been threaded main shaft mount pad end cap 31, grinding spindle 27 adopts multidiameter, a left side for grinding spindle 27, right-hand member all stretches out main shaft mount pad 26, grinding spindle 27 left end is connected with principal axis coupling joint 20 by the second key 18, and by the first round nut 17 and the first round nut stop washer 19 axial restraint principal axis coupling joint 20, grinding spindle 27 right-hand member is fixedly connected with emery wheel mount pad 32, emery wheel mount pad 32 embeds abrasive grinding wheel 36 is installed, by plain washer 33, spring washer 35 and the fastening abrasive grinding wheel 36 of nut 34.In main shaft mount pad 26, right-hand member selects a pair double-row angular contact ball bearing 28, one of them is installed on the shaft shoulder place of grinding spindle 27, another, by adjusting pad 30, round nut 37 and round nut stop washer 38 axial restraint, is provided with regulating spring 29 between two double-row angular contact ball bearings 28; In main shaft mount pad 26, left end selects a pair single row angular contact ball bearing 25, one of them single row angular contact ball bearing 25 is installed on the shaft shoulder place of grinding spindle 27, another is connected with bearing cover 21 by packing ring 22, is provided with outer ring positioning sleeve 23 and inner ring positioning sleeve 24 between two single row angular contact ball bearings 25.
Wherein, the second key 18 is woodruff key.Be provided with groove outside the bearing of the inherent mounted in pairs of main shaft mount pad 26, not only conveniently assemble, and according to circumstances can come adjusting play with different adjusting pads at groove.Single row angular contact ball bearing 25 and double-row angular contact ball bearing 28 interval are installed, and effectively ensure that the smooth rotation of grinding spindle 27.Outer ring positioning sleeve 23 and inner ring positioning sleeve 24 are installed between single row angular contact ball bearing 25, between double-row angular contact ball bearing 28, adopt regulating spring 29, make the angular contact ball bearing moment be in pre-pressing state.Main shaft mount pad 26 right-hand member grinding spindle 27 stretches out shorter, improves its rigidity well.Abrasive grinding wheel 20 adopts installation by adhering, can change according to machining hole size.
Described regulating spring 29 comprises spring inner sleeve 41, spring base 39 and spring 40, and wherein: spring 40 is installed on spring inner sleeve 41, the left and right end of spring 40 respectively installs a spring base 39.During the assembling of longhole inner circle bistrique, the spring inner sleeve 41 of regulating spring is installed on grinding spindle.
Longhole inner circle adds man-hour, workpiece 12 is fastened in workpiece chuck 13, the adjustment position of internal grinding head 9 on saddle 16, open grinding head motor 3 and motor 15, main shaft mount pad 26 stretches in processing parts 12 hole with grinding spindle 27, deep hole grinder described in the utility model can inner hole grinding minimum be 45 millimeters, reach the endoporus of 800 millimeters, little, the good stability of its bistrique vibrations, easy and simple to handle, and then the production efficiency of hole machined in improving, ensure the uniformity of product quality.

Claims (10)

1. a deep hole grinder, comprise lathe bed (1), lathe bed upper surface is provided with saddle (16), saddle (16) left end is provided with motor support frame (6), motor support frame (6) left side is provided with grinding head motor (3), motor support frame (6) right side is provided with bistrique bracing frame (7), bistrique bracing frame (7) is provided with internal grinding head (9), saddle (16) middle part is provided with grinding machine middle frame (11), saddle (16) right-hand member is provided with workpiece holder (14), workpiece holder (14) right side is installed with motor (15), workpiece holder (14) left side is provided with workpiece chuck (13), described workpiece chuck (13) is linked with the output shaft of motor (15), it is characterized in that: motor coupler (4) is installed in motor support frame (6), described motor coupler (4) is connected with the output shaft (2) of grinding head motor (3), described internal grinding head (9) comprises main shaft mount pad (26), main shaft mount pad (26) left end and bistrique bracing frame (7) frame are fastenedly connected, grinding spindle (27) is had by bearing assemble in main shaft mount pad (26), main shaft mount pad (26) left end is fastening is provided with bearing cover (21), and main shaft mount pad (26) right-hand member is provided with main shaft mount pad end cap (31), described grinding spindle (27) is multidiameter, the left and right end of grinding spindle (27) all stretches out main shaft mount pad (26), grinding spindle (27) left end is provided with principal axis coupling joint (20), the axial direction of principal axis coupling joint (20) is fixed, grinding spindle (27) right-hand member is fixedly connected with emery wheel mount pad (32), and the upper embedding of emery wheel mount pad (32) is provided with abrasive grinding wheel (36), described principal axis coupling joint (20) left end and motor coupler (4) right-hand member are blade tooth shape, and engage each other.
2. a kind of deep hole grinder according to claim 1, is characterized in that: described bearing comprises a pair single row angular contact ball bearing (25) and a pair double-row angular contact ball bearing (28).
3. a kind of deep hole grinder according to claim 2, it is characterized in that: described single row angular contact ball bearing (25) is positioned at main shaft mount pad (26) left end, one of them is installed on the shaft shoulder place of grinding spindle (27), another is connected with bearing cover (21) by packing ring (22), is provided with adjusting bearing collar between two single row angular contact ball bearings (25).
4. a kind of deep hole grinder according to claim 2, it is characterized in that: described double-row angular contact ball bearing (28) is positioned at main shaft mount pad (26) right-hand member, one of them is installed on the shaft shoulder place of grinding spindle (27), another, by the second round nut (37) and the second round nut stop washer (38) axial restraint, is provided with regulating spring (29) between two double-row angular contact ball bearings (28).
5. a kind of deep hole grinder according to claim 3, is characterized in that: described adjusting bearing collar comprises outer ring positioning sleeve (23) and inner ring positioning sleeve (24).
6. a kind of deep hole grinder according to claim 4, it is characterized in that: described regulating spring (29) comprises spring inner sleeve (41), spring (40) is installed outside spring inner sleeve (41), spring (40) front and back ends respectively installs a spring base (39), and described spring inner sleeve (41) is installed on grinding spindle (27).
7. a kind of deep hole grinder according to claim 1, is characterized in that: main shaft mount pad end cap (31) is arranged on main shaft mount pad (26) right-hand member by screw thread.
8. a kind of deep hole grinder according to claim 1, it is characterized in that: motor coupler (4) is connected with the output shaft (2) of grinding head motor (3) by the first key (5), grinding spindle (27) left end saves (20) by the second key (18) and is connected with principal axis coupling, described second key (18) is woodruff key.
9. a kind of deep hole grinder according to claim 1, is characterized in that: the axial direction of principal axis coupling joint (20) is fixed by the first round nut (17) and the first round nut stop washer (19).
10. a kind of deep hole grinder according to claim 1, is characterized in that: be provided with elastomer (10) between principal axis coupling joint (20) left end and the intermeshing blade tooth of motor coupler (4) right-hand member.
CN201520441023.6U 2015-06-25 2015-06-25 A kind of deep hole grinder Expired - Fee Related CN204725260U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520441023.6U CN204725260U (en) 2015-06-25 2015-06-25 A kind of deep hole grinder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520441023.6U CN204725260U (en) 2015-06-25 2015-06-25 A kind of deep hole grinder

Publications (1)

Publication Number Publication Date
CN204725260U true CN204725260U (en) 2015-10-28

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Family Applications (1)

Application Number Title Priority Date Filing Date
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105538061A (en) * 2016-01-22 2016-05-04 昆山美弧橡塑机械有限公司 Inner-hole grinding machine
CN107877274A (en) * 2016-09-27 2018-04-06 北京中科三环高技术股份有限公司 Pipe magnet inner circle processing method and equipment
CN111015144A (en) * 2019-12-19 2020-04-17 苏州鼎威新能源有限公司 Novel coupling inner circle matching machining method
CN111390665A (en) * 2020-05-07 2020-07-10 黄山市尚义橡塑制品有限公司 Automatic processing frock clamp is made to rubber spare

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105538061A (en) * 2016-01-22 2016-05-04 昆山美弧橡塑机械有限公司 Inner-hole grinding machine
CN107877274A (en) * 2016-09-27 2018-04-06 北京中科三环高技术股份有限公司 Pipe magnet inner circle processing method and equipment
CN111015144A (en) * 2019-12-19 2020-04-17 苏州鼎威新能源有限公司 Novel coupling inner circle matching machining method
CN111390665A (en) * 2020-05-07 2020-07-10 黄山市尚义橡塑制品有限公司 Automatic processing frock clamp is made to rubber spare
CN111390665B (en) * 2020-05-07 2021-06-08 黄山市尚义橡塑制品有限公司 Automatic processing frock clamp is made to rubber spare

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GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20151028

Termination date: 20160625

CF01 Termination of patent right due to non-payment of annual fee