CN202560847U

CN202560847U - Automatic assembling machine for bearings of rack type short cylindrical rollers

Info

Publication number: CN202560847U
Application number: CN201220120205XU
Authority: CN
Inventors: 杨晓刚
Original assignee: Changzhou CRONOS Special Bearing Manufacture Co Ltd
Current assignee: Changzhou CRONOS Special Bearing Manufacture Co Ltd
Priority date: 2012-03-27
Filing date: 2012-03-27
Publication date: 2012-11-28
Anticipated expiration: 2022-03-27

Abstract

The utility model discloses an automatic assembling machine for bearings of rack type short cylindrical rollers. The automatic assembling machine comprises a feed plate, a cylindrical roller assembly mechanism, an assembly die and an electric cabinet. The cylindrical roller assembly mechanism comprises an assembly push rod, a push rod, two sleeves provided with springs, two racks and two transmission gears which control the movement of the two racks, the transmission gears are meshed with the racks, end portions at one ends of the assembly push rod and the push rod are fixedly connected with end portions of the two racks respectively, stretching ends of the assembly push rod and the push rod are inserted in the springs of the sleeves, and an angle formed by the push rod and the assembly push rod is disposed on one side of the assembly die. According to the automatic assembling machine, racks of gears are used to control the push rod to reciprocate in a transmission mode to push a roller to enter an inner ring roller path of the bearing, the manual assembly of a bearing roller is facilitated, problems of roller surface scratches due to super essential oil films of high cost, low efficiency and proneness to collide rollers caused by manual assembly are prevented simultaneously, and the product quality is greatly improved.

Description

Rack-type cylindrical roller bearing automatic assembly machine

Technical field

The utility model relates to roller bearing automaton mounting technology field, especially a kind of rack-type cylindrical roller bearing automatic assembly machine.

Background technique

The most widely used automatic assembly machine of bearing industry is ball bearing automatic assembly machine or machine for automatically assembling needle bearing, because bearing need carry out feeding and guiding to rolling element when assembling automatically, the guidance quality of steel ball is good, and the general weight of needle roller is lighter, also feeding easily; But the general slenderness ratio of short columnar roller has certain weight less than 3, and it is relatively more difficult in the feeding process it to be led.How assembling for cylindrical roller bearing at present still is assembled into the master with manual work; Artificial assembling roller cost is high, efficient is low, the ultra essential oil film of the roller that collides with easily causes roller surface to scratch; Easily small dust or greasy dirt are got into bearing inside in the process of assembling; Will cause precise decreasing like this, roller serious wear simultaneously reduces bearing working life; On the other hand, artificial assembling meeting causes fatigue because of workman's long-time operation, possibly cause industrial injury, also is unfavorable for the raising of production capacity simultaneously.

The model utility content

The technical problem that the utility model will solve is: low in order to solve the artificial efficiency of assembling of present roller bearing; The technical problem that precision is not high provides a kind of easy to use, the rack-type cylindrical roller bearing automatic assembly machine that can assemble automatically; Realize automated job, improve production capacity.

The utility model solves the technological scheme that its technical problem adopted: a kind of rack-type cylindrical roller bearing automatic assembly machine; Be installed on the table top; Comprise supply disk, cylindrical roller assemble mechanism, assembling mould and electric control box; Said cylindrical roller assemble mechanism comprises an assembling push rod, a propelling push rod, two two driving gears that sleeve, two tooth bars of stage clip are housed and control two tooth bars actions respectively, and the engagement of driving cog wheel and rack is assembled push rod and advanced push rod one end end to be fixedly connected with two tooth bar ends respectively; Said assembling push rod all is inserted in the stage clip of sleeve with the external part that advances push rod; Said assembling mould comprises that die holder and one are connected the broken ring that mould is taken the surface, and said broken ring and die holder form a cavity that is used to place bearing inner race, and the feeding tube outlet port of said supply disk has positioning pipe; The positioning pipe outlet end is fixedly connected on the broken ring opening; The bottom of said positioning pipe has is convenient to the opening slot that cylindrical roller passes through, and the opening of the broken ring on said opening slot and the die holder aligns, and the external part of said assembling push rod is over against opening slot; Advance push rod and the angled setting of assembling push rod, the external part of propelling push rod is towards the broken ring direction and be higher than the broken ring setting.

In order effectively to fix bearing inner race; Make things convenient for the roller assembling, said cavity comprises out the circular groove and the sleeve column that is used for fixing bearing inner race at the die holder upper surface, and the circular groove bottom is fixedly connected sleeve column; Said broken ring is concentric with circular groove, and the A/F of broken ring is more than or equal to the cylindrical roller diameter.

In order to realize that roller is pushed to inner ring raceway, said assembling push rod becomes 40 °～41 ° angles with the propelling push rod.Select such angle; Can guarantee to advance push rod when advancing, can not push up bearing inner race, cause the problem that scratches, advance push rod to promote roller in inner ring raceway, advance Shi Buhui and broken ring interference simultaneously; Guaranteed that roller is not scratched, be convenient to each roller advancing safely and fast forward.

In order to guarantee that cylindrical roller correctly is pushed into the bearing inner race raceway, as preferably, said assembling push rod is plane or inner concave with the external part end that advances push rod and the surface of contact of cylindrical roller.

Further, said inner concave radian is more than or equal to short columnar roller side radian, and helping like this when push rod contacts with roller is the face contact, but not the line contact increases area of contact, guarantees that the roller direction of propulsion does not change, safety and precise send into inner ring raceway.

For the ease of workman's operation, the side of said sleeve column has is convenient to the interior concane gap that bearing inner race takes out.After bearing assembled, the breach of design on sleeve column can make things convenient for workman's bearing of taking, and time saving and energy saving, efficient improves.

The beneficial effect of the utility model is; The utility model is sent cylindrical roller into feeding tube successively through supply disk, utilizes the to-and-fro motion of gear rack transmission control push rod to promote roller entering bearing inner race raceway simultaneously, has made things convenient for workman's running in bearings roller; Prevented the problem that cost is high, efficient is low and the ultra essential oil film of the roller that collides with easily causes roller surface to scratch that artificial assembling causes simultaneously; Make quality of product significantly improve, efficiency of assembling improves simultaneously, and production capacity also improves thereupon.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the utility model is further specified.

Fig. 1 is the structural representation of specific embodiment of the rack-type cylindrical roller bearing automatic assembly machine of the utility model;

Fig. 2 is the plan view of the assembling mould of the utility model;

Fig. 3 is the A-A sectional view of Fig. 2;

Fig. 4 is the structural representation of the positioning pipe of the utility model.

Among the figure: 1. supply disk, 11. positioning pipes, 12. opening slots, 2. cylindrical roller assembling actuator, 21. assembling push rods; 22. the propelling push rod, 23. tooth bars, 24. driving gears, 25. sleeves, 3. assembling mould; 31. die holder, 32. sleeve columns, 321. interior concane gaps, 33. circular grooves, 34. broken rings.

Embodiment

Combine accompanying drawing that the utility model is done further detailed explanation now.These accompanying drawings are the schematic representation of simplification, the basic structure of the utility model only is described in a schematic way, so it only show the formation relevant with the utility model.

The specific embodiment of the rack-type cylindrical roller bearing automatic assembly machine of the utility model shown in Fig. 1～4; Be installed on the table top; Comprise supply disk 1, cylindrical roller assemble mechanism 2, assembling mould 3 and electric control box, cylindrical roller assemble mechanism 2 comprises that an assembling push rod 21, one advance push rod 22, two that sleeve 25, two tooth bars 23 of stage clip are housed and control two driving gears 24 of two tooth bars, 23 actions respectively, driving gear 24 and tooth bar 23 engagements; Assembling push rod 21 is fixedly connected with two tooth bar 23 ends respectively with propelling push rod 22 1 end ends; Assembling push rod 21 all is inserted in the stage clip of sleeve 25 with the external part that advances push rod 22, and assembling mould 3 comprises that die holder 31 and one are connected the broken ring 34 that mould is sat 31 upper surfaces, and broken ring 34 forms a cavity that is used to place bearing inner race with die holder 31; Cavity comprises out the circular groove 33 and the sleeve column 32 that is used for fixing bearing inner race at die holder 31 upper surfaces; The side of sleeve column 32 has is convenient to the interior concane gap 321 that bearing inner race takes out, and circular groove 33 bottoms are fixedly connected sleeve column 32, and broken ring 34 is concentric with circular groove 33; The A/F of broken ring 34 is more than or equal to the cylindrical roller diameter; The feeding tube outlet port of supply disk 1 has positioning pipe 11, and positioning pipe 11 outlet end are fixedly connected on broken ring 34 openings, and the bottom of positioning pipe 11 has is convenient to the opening slot 12 that cylindrical roller passes through; The opening of the broken ring 34 on opening slot 12 and the die holder 31 aligns; The external part of assembling push rod 21

advances push rod

22 and 21 one-tenth 41 ° of angles of assembling push rod over against opening slot 12, and the external part of propelling push rod 22 is towards broken ring 34 directions and be higher than broken ring 34 settings.

Assembling push rod 21 and the external part end that advances push rod 22 and the surface of contact inner concave of cylindrical roller; The inner concave radian is more than or equal to short columnar roller side radian; Helping like this when push rod contacts with roller is the face contact, but not the line contact increases area of contact; Guarantee that the roller direction of propulsion does not change, safety and precise send into inner ring raceway.

Introduce present embodiment below in conjunction with concrete working procedure, after assembly line started, motor-driven gear just changeed, and assembling push rod 21 stretches out; Promote roller and get into the bearing inner race raceway, and then counter-rotating, assembling push rod 21 retractions, another road gear rack work; Advance push rod 22 to stretch out, promote roller and advance at the bearing inner race raceway, and then counter-rotating; Advance push rod 22 retractions, circulation successively is until assembled.

The rack-type cylindrical roller bearing automatic assembly machine of the utility model has been realized automatic production, and is easy and simple to handle, reduced labor strength, and cost is relatively low simultaneously, and the frock swap time is short, can increase substantially production capacity.

With above-mentioned desirable embodiment according to the utility model is enlightenment, and through above-mentioned description, the related work personnel can carry out various change and modification fully in the scope that does not depart from this model utility technological thought.The technical scope of this model utility is not limited to the content on the specification, must confirm its technical scope according to the claim scope.

Claims

1. rack-type cylindrical roller bearing automatic assembly machine; Be installed on the table top; It is characterized in that: comprise supply disk (1), cylindrical roller assemble mechanism (2), assembling mould (3) and electric control box; Said cylindrical roller assemble mechanism (2) comprises an assembling push rod (21), a propelling push rod (22), two two driving gears (24) that sleeve (25), two tooth bars (23) of stage clip are housed and control two tooth bars (23) action respectively; Driving gear (24) and tooth bar (23) engagement; Assembling push rod (21) is fixedly connected with two tooth bars (23) end respectively with propelling push rod (22) one end ends, and the external part of said assembling push rod (21) and propelling push rod (22) all is inserted in the stage clip of sleeve (25), and said assembling mould (3) comprises that die holder (31) and one are connected the broken ring (34) that mould is sat (31) upper surface; Said broken ring (34) forms a cavity that is used to place bearing inner race with die holder (31); The feeding tube outlet port of said supply disk (1) has positioning pipe (11), and positioning pipe (11) outlet end is fixedly connected on broken ring (34) opening, and the bottom of said positioning pipe (11) has the opening slot (12) of being convenient to cylindrical roller and passing through; The opening of the broken ring (34) on said opening slot (12) and the die holder (31) aligns; The external part of said assembling push rod (21) advances push rod (22) and the angled setting of assembling push rod (21) over against opening slot (12), and the external part of propelling push rod (22) is towards broken ring (34) direction and be higher than broken ring (34) setting.

2. rack-type cylindrical roller bearing automatic assembly machine as claimed in claim 1; It is characterized in that: said cavity comprises out at the circular groove (33) of die holder (31) upper surface and is used for fixing the sleeve column (32) of bearing inner race; Circular groove (33) bottom is fixedly connected sleeve column (32); Said broken ring (34) is concentric with circular groove (33), and the A/F of broken ring (34) is more than or equal to the cylindrical roller diameter.

3. rack-type cylindrical roller bearing automatic assembly machine as claimed in claim 1 is characterized in that: said assembling push rod (21) becomes 40 °～41 ° angles with propelling push rod (22).

4. rack-type cylindrical roller bearing automatic assembly machine as claimed in claim 1 is characterized in that: the said assembling push rod (21) and the external part end of propelling push rod (22) and the surface of contact of cylindrical roller are plane or inner concave.

5. rack-type cylindrical roller bearing automatic assembly machine as claimed in claim 4 is characterized in that: said inner concave radian is more than or equal to short columnar roller side radian.

6. rack-type cylindrical roller bearing automatic assembly machine as claimed in claim 2 is characterized in that: the side of said sleeve column (32) has is convenient to the interior concane gap (321) that bearing inner race takes out.