CN2248418Y

CN2248418Y - Assembly device for motor reducer

Info

Publication number: CN2248418Y
Application number: CN 95244022
Authority: CN
Inventors: 方秋贤
Original assignee: Individual
Current assignee: Individual
Priority date: 1995-05-22
Filing date: 1995-05-22
Publication date: 1997-02-26
Anticipated expiration: 2005-05-22

Abstract

The utility model relates to an assembly device for a motor reducer. The end face of a motor is provided with a basal plate provided with a bearing; a gear reduction set can be directly arranged on the basal plate, and the proper position of the basal plate is provided with a positioning hole; the inner side of a casing cover of the reducer corresponding to the bearing and the positioning hole of the basal plate is also provided with a bearing and a positioning hole, and a positioning pin can pass through the basal plate and the positioning hole on the inner side of the casing cover; the basal plate and a gear set on the basal plate are fixed on the inner side of the casing cover, and the casing cover is fixed on the motor through the screw; the utility model provides an assembly device for a motor reducer, which has favorable and convenient assembly, and stable quality; the cost can be greatly reduced.

Description

The apparatus for assembling of motor reducer

A kind of apparatus for assembling that relates to motor reducer belongs to the motor technology field.

Motor is used provides power to have considerable time, for appropriate power or rotating speed can be provided, can assemble binding one reductor in the end of motor, and can provide different rotating speeds according to the different demand of user, relevant manufacturer the motor product that direct binding has reductor for the user being provided better convenience, developing, and is available for users to select collocation to use, this series products at present widely market accept desired practicality effect when also having brought into play design.

But with regard to existing this type of motor reducer package assembly, be to establish train of reduction gears by bottom plate and face clamping plate folder to form, in order to keep the smooth and easy running of train of reduction gears, so on this bottom plate and face clamping plate, be respectively arranged with bearing holder (housing, cover), and on the edge between bottom plate and face clamping plate, be provided with the assembling post, cooperate erection bolt (or rivet) that bottom plate and the clamping of face clamping plate are fixed, the shortcoming of this structure below can producing in the utilization:

(1) part is numerous: it is to establish train of reduction gears by bottom plate and face clamping plate folder to constitute reductor, the parts such as assembling post and erection bolt so it still need be arranged in pairs or groups outside bottom plate, face clamping plate and train of reduction gears, it will inevitably have influence on the buying of part, the arrangement of production line, even problem such as part stock.

(2) assembling processing is difficult for: owing to be subject to the volume restrictions of whole reductor, so the thickness of its bottom plate and face clamping plate must be restricted, thereby make that being provided with of its bearing holder (housing, cover) is difficult; It establishes train of reduction gears with bottom plate and face clamping plate folder and when constituting reductor again, must be by manually assembling, the numerous and assembling trouble of its part is when adding collocation assembling post and erection bolt (or rivet), more need cooperate other instruments, more cause the restriction of production line.

(3) product accuracy, stability deficiency: because product is subjected to the influence of the market demand, and must be particular about light, thin, short, little, and making it that thickness bearing holder (housing, cover) as thin as a wafer only can be set on bottom plate and face clamping plate, its supporting to train of reduction gears promptly causes adverse influence; Moreover its reductor adds man-hour by manually assembling, and can its erection bolt accurately sealedly extremely be difficult for discovering to the location, if it fails to be assembled to accurate localization, then will inevitably have influence on follow-up work flow, or form defective products; In addition, it when it is assembled the assembling of carrying out reductor earlier, after assembling is finished, it is assembled between motor and the clamshell again, and by hold-down screw in addition in conjunction with fixing, because motor must bear lasting vibrations in rotation, assembling level therebetween the more certainly exists gap the more, therefore its chance that loosening or displacement take place just the more, in existing this series products, its reductor promptly is to be assembled by erection bolt (or rivet), also be again to assemble between its clamshell and the motor, thereby the chance that gets loose therebetween is quite big, though with existing process technology with hold-down screw, the ratio that gets loose is extremely low, but if its package assembly can be done preferable design, when the accuracy that can make its assembling is higher, and quality is more stable.

Main purpose of the present utility model is: the apparatus for assembling that a kind of motor reducer is provided, it mainly is that a substrate is set on the motor end face, and this substrate is provided with bearing and location hole, train of reduction gears is directly installed on the substrate, remove folder base plate and face base arrangement, and it is few, easy to assembly to constitute a kind of other parts, the motor reducer apparatus for assembling that precision is high.

The technical solution of the utility model is: bottom plate and the face clamp region of having removed existing motor reducer, but a substrate is set on the end face of motor, and this substrate is provided with bearing and location hole, and train of reduction gears is directly installed on this substrate, also be provided with bearing and location hole in the clamshell inboard with respect to substrate upper bearing (metal) and position of positioning hole, pass location hole on substrate and the clamshell with dowel, train of reduction gears on substrate and the substrate is fixed on the inboard of clamshell, with screw the clamshell assembling is fixed at once again.

Advantage of the present utility model is that its number of spare parts reduces significant proportion than conventional art, so it is more convenient when assembling, and can moderately reduce the cost of part and assembling, the utility model utilizes the setting of alignment pin again, can guarantee the assembling precision between clamshell and substrate, and can bear lateral stress between clamshell and substrate by this alignment pin, will not have influence on the normal operation of train of reduction gears, also can not produce stressed improperly to bearing, so can overcome the problem of assembling accuracy between traditional reductor and motor end face, also can make assembling level therebetween reduce to minimum, thereby improve on the overall operation and the stability of quality aspect; In addition according to design of the present utility model, its can be on substrate with clamshell in respectively assembling suitable bearing is set, to replace extra-thin bearing holder (housing, cover) on traditional bottom plate and the face clamping plate, so can provide train of reduction gears more excellent support effects, and can reach the effect that reduces vibration, reduces noise and prolong whole service life and improve stability, it really is a quite outstanding and special design.

The utility model has following accompanying drawing, and accompanying drawing is made brief description:

Fig. 1 is an element decomposing schematic representation of the present utility model.

Fig. 2 is that the major part of existing motor reducer is separated schematic diagram.

Fig. 3 is the decomposing schematic representation in detail of existing motor reducer.

Be existing motor reducer decomposing schematic representation as shown in Figure 2, it is to cooperate hold-down screw 911 assemblings one reductor 92 with clamshell 91 on the end face of motor 90, when motor 90 runnings, its power is imported in the reductor 92 by driving shaft 901, do to derive utilization by the power transmission shaft 931 that passes clamshell 91 perforation 912 again after the deceleration through train of reduction gears 93 wherein for the user, Fig. 3 is existing motor reducer detail exploded view schematic diagram, existing reductor 92 is to establish train of reduction gears 93 by bottom plate 921 with face clamping plate 922 folders to form, in order to keep the smooth and easy running of train of reduction gears 93, so on this bottom plate 921 and face clamping plate 922, be respectively arranged with bearing holder (housing, cover) 923, and on the edge of 922 on bottom plate 921 and face clamping plate, be provided with assembling post 924, it can cooperate erection bolt 925 (or rivet) that

bottom plate

921 and 922 clampings of face clamping plate are fixed, its main feature is to be provided with folder base plate and face base plate, simultaneously, on above-mentioned base plate, all be provided with assembling post, complex structure.

It shown in the accompanying drawing 1 element decomposing schematic representation of the present utility model, its by reach 10, train of reduction gears 20 and clamshell 30 form, motor 10 is with a driving shaft 14 outputting powers, slow down the back by power transmission shaft 21 outputting powers that pass clamshell 30 through train of reduction gears 20, but train of reduction gears 20 of the present utility model is directly to be assembled on the substrate 11, reach at motor between 10 the substrate 11 and clamshell 30, and do not have the associated components of traditional bottom plate and face clamping plate.

On motor 10 end faces of the present utility model, a substrate 11 is arranged, because it has save traditional bottom plate, so can under the prerequisite that does not influence overall volume, have thicker thickness, therefore can make things convenient for and assembling thereon firmly is provided with bearing 12, be beneficial to the assembling of train of reduction gears 20, the appropriate location of this substrate 11 is provided with location hole 13 simultaneously, again because the utility model has been save traditional face clamping plate, so its clamshell 30 also can adopt thicker thickness, therefore also can assemble the bearing 31 that is provided with for train of reduction gears 20 assembling location in these clamshell 30 inboards, and these clamshell 30 inner side edges are provided with the location hole 32 that matches with substrate 11 location holes 13, and can assemble alignment pin 22 betwixt, so that clamshell 30 is when being assembled on motor 10 substrates 11, can have splendid location accuracy, also can bear simultaneously the lateral stress of 11 of clamshell 30 and substrates by this alignment pin 22.

When the utility model is assembled, be earlier with

bearing

12,31 are assembled into location on substrate 11 and the clamshell 30 respectively, train of reduction gears 20 is plugged in the bearing 12 of putting substrate 11 then, then alignment pin 22 is plugged to the location hole 13 of substrate 11, so just clamshell 30 can be covered the location that is bonded on the substrate 11 easily, and each gear shaft upper end of train of reduction gears 20 is worn to the bearing 31 of clamshell 30 inboards, and alignment pin 22 is penetrated in the location hole 32 of clamshell 30 inboards, last again with hold-down screw 33 with the location hole of clamshell 30 lockings on motor 10 end faces, promptly finish whole assembling.

Claims

1. the apparatus for assembling of a motor reducer, form by motor, train of reduction gears and clamshell, it is characterized in that on the end face of motor, being provided with a substrate, and this substrate is provided with bearing and location hole, and train of reduction gears is directly installed on this substrate, inboard at clamshell also is provided with bearing and location hole with respect to bearing on the substrate and position of positioning hole, pass location hole on substrate and the clamshell inboard with dowel, gear train on substrate and the substrate is fixed on the inboard of clamshell, with screw clamshell is fixed on the motor again.