阅读说明：本技术 一种吹瓶机随行夹具滚柱轴承滚柱游隙消除方法 (Method for eliminating clearance of roller bearing and roller of follower fixture of bottle blowing machine ) 是由 章辉 于 2020-11-30 设计创作，主要内容包括：本发明公开了一种吹瓶机随行夹具滚柱轴承滚柱游隙消除方法,涉及吹瓶机技术领域,其包括夹具头,所述夹具头下侧开设有设置有内螺纹的连接孔。该吹瓶机随行夹具滚柱轴承滚柱游隙消除方法,通过滚柱轴承外机构耐冲击力强,进而使夹具在过渡盘之间交接产生的摩擦和撞击在滚柱轴承外机构的承受范围内,进而保证了该装置的使用寿命避免了出现设备撞机故障的发生,而且通过定位套以及游隙圈使滚柱轴承外机构具有和深沟球轴承同样精准定位的效果,从而解决了现今旋转型吹瓶机在替换轴承后因轴承滚柱沿着内圈向上游隙超过2mm进而导致过渡盘交接夹具座无法对随行夹具进行精准定位从而导致吹瓶机设备运行存在一定的安全风险的问题。(The invention discloses a method for eliminating clearance of roller bearings and rollers of a pallet of a bottle blowing machine, which relates to the technical field of bottle blowing machines and comprises a clamp head, wherein a connecting hole with internal threads is formed in the lower side of the clamp head. According to the clearance elimination method for the roller bearing of the pallet roller bearing of the bottle blowing machine, the impact resistance of the roller bearing outer mechanism is strong, so that friction and impact generated by the handover of the clamp between the transition discs are within the bearing range of the roller bearing outer mechanism, the service life of the device is guaranteed, the occurrence of equipment crash faults is avoided, the roller bearing outer mechanism has the same accurate positioning effect as a deep groove ball bearing through a positioning sleeve and a clearance ring, and the problem that the bottle blowing machine equipment runs with certain safety risks due to the fact that the transition disc handover clamp seat cannot accurately position the pallet roller bearing after the bearing is replaced due to the fact that the upward clearance of the bearing roller along the inner ring exceeds 2mm is solved.)

1. A clearance eliminating method for roller bearings of follower clamps of bottle blowing machines comprises a clamp head (1) and is characterized in that: the clamp is characterized in that a connecting hole provided with an internal thread (8) is formed in the lower side of the clamp head (1), the connecting hole is connected with an external thread (9) through the internal thread (8) in a threaded manner, the external thread (9) is arranged at the upper end of the clamp central shaft (7), the lower end of the clamp head (1) is movably connected with an upper bearing (2), the inner ring of the upper bearing (2) is movably connected onto the outer side surface of the clamp central shaft (7), the lower end of the upper bearing (2) is movably connected with a positioning sleeve (3), the lower end of the positioning sleeve (3) is movably connected with the upper end of a play ring (4), the play ring (4) is movably connected onto the outer side surface of the clamp central shaft (7), a roller bearing inner ring (6) is riveted at the lower end of the play ring (4), the inner ring (6) of the roller bearing is movably connected onto the clamp, the outer roller bearing mechanism (5) is sleeved on the clamp central shaft (7).

2. The method for eliminating the roller clearance of the roller bearing of the pallet of the bottle blowing machine according to claim 1, wherein: the upper bearing (2) is a 204 deep groove ball bearing.

3. The method for eliminating the roller clearance of the roller bearing of the pallet of the bottle blowing machine according to claim 1, wherein: the clearance ring (4) comprises a connecting ring (41) and a riveting block (42), wherein the riveting block (42) is provided with four uniform fixed connections on the inner layer of the connecting ring (41).

4. The method for eliminating the roller clearance of the roller bearing of the pallet of the bottle blowing machine according to claim 1, wherein: the roller bearing inner ring (6) is wrapped and replaced by the connecting sleeve (61) and the riveting groove (62), and four riveting grooves (62) are uniformly formed in the upper end of the connecting sleeve (61).

5. The method for eliminating the roller clearance of the roller bearing of the pallet of the bottle blowing machine according to claim 3, wherein: the four riveting blocks (42) are riveted with the four riveting grooves (62).

Technical Field

The invention relates to the technical field of bottle blowing machines, in particular to a method for eliminating clearance of a roller bearing of a follower fixture of a bottle blowing machine.

Background

The bottle blowing machine is a device for manufacturing plastic particles into hollow containers by a blow molding process, the common machine types at present comprise a hollow extrusion blowing machine for one-step molding by using PP and PE, an injection stretch blow bottle blowing machine for two-step molding by using PET, PC or PP, and a newly developed multilayer hollow extrusion blow and stretch blow molding, most of the bottle blowing machines at present are two-step bottle blowing machines, namely, plastic raw materials are made into bottle blanks firstly and then blown, the common bottle blowing machine at present is environment-friendly plastic made of PET, the blow molding machine is a machine for blowing plastic bodies to a mold cavity with a certain shape by using wind power blown out by the machine after liquid plastic is sprayed out, so as to manufacture products, the machine is also called a blow molding machine, namely a hydraulic bottle blowing machine, a tubular plastic parison obtained by extruding or injection molding thermoplastic resin is hot or heated to a softened state, the blow molding machine is characterized in that the blow molding machine is arranged in a split mold, compressed air is introduced into a parison immediately after the mold is closed, the plastic parison is blown to be tightly attached to the inner wall of a mold, various hollow products are obtained after cooling and demolding, a bearing on a follow-up clamp of a rotary bottle blowing machine is a 204 deep groove ball bearing, the clamp runs along with a revolving big chain of the bottle blowing machine and directly enters a bottle blowing mold to perform bottle blowing operation, then the bottle blowing operation is carried out through a clamp seat of a transition disk and then enters a bottle blowing revolving big chain, when the clamp is handed over between transition disks, the outer ring of a strongly magnetic adsorption bearing on the clamp seat is accurately positioned, the bearing below the clamp has a friction collision phenomenon with a guide plate in a tangent handing-over process, and the deep groove has insufficient impact resistance, so that the outer ring of the bearing below the clamp is easy to crack in the operation process of the bottle blowing machine, the equipment crashes and the occurrence of the equipment, and the And after replacement, because the upward clearance of the bearing roller along the inner ring exceeds 2mm, the transition disc handover clamp seat cannot accurately position the follower clamp, so that certain safety risk exists in the operation of the bottle blowing machine equipment, and the clearance elimination method for the bearing roller of the follower clamp of the bottle blowing machine is provided to solve the problem.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a method for eliminating the clearance of a roller bearing of a pallet roller of a bottle blowing machine, and solves the problem that certain safety risk exists in the operation of the bottle blowing machine equipment due to the fact that the transition disc connecting clamp seat cannot accurately position the pallet because the upward clearance of the roller bearing along an inner ring exceeds 2mm after the bearing is replaced by the conventional rotary bottle blowing machine.

(II) technical scheme

In order to achieve the above purposes, the technical scheme adopted by the invention is as follows: a clearance eliminating method for a roller bearing of a follower fixture roller of a bottle blowing machine comprises a fixture head, a connecting hole provided with internal threads is arranged at the lower side of the fixture head, and the connecting hole is connected with an external thread through an internal thread, the external thread is arranged at the upper end of the central shaft of the clamp, the lower end of the clamp head is movably connected with an upper bearing, the inner ring of the upper bearing is movably connected on the outer side surface of the central shaft of the clamp, the lower end of the upper bearing is movably connected with a positioning sleeve, the lower end of the positioning sleeve is movably connected with the upper end of a play ring, the clearance ring is movably connected on the outer side surface of the central shaft of the clamp, the lower end of the clearance ring is riveted with a roller bearing inner ring, the inner part of the roller bearing inner ring is movably connected to the central shaft of the clamp, the outer side of the roller bearing inner ring is movably connected with an outer roller bearing mechanism, and the outer roller bearing mechanism is sleeved on the central shaft of the clamp.

Preferably, the upper bearing is a 204 deep groove ball bearing.

Preferably, the play ring comprises a connecting ring and a mortise and tenon block, and the mortise and tenon block is provided with four uniform fixed connections on the inner layer of the connecting ring.

Preferably, the roller bearing inner ring wraps and changes connecting sleeve and mortise joint groove, the mortise joint groove is provided with four and evenly opens in the connecting sleeve upper end.

Preferably, four of the riveting blocks are riveted with four riveting grooves.

(III) advantageous effects

The invention has the beneficial effects that:

the clearance eliminating method for the roller bearing of the follower fixture of the bottle blowing machine ensures that the service life of the device avoids the occurrence of equipment crash faults by the strong impact resistance of the outer mechanism of the roller bearing, further ensures that the friction and the impact generated by the connection of the fixture between transition discs are in the bearing range of the outer mechanism of the roller bearing, ensures that the outer mechanism of the roller bearing has the same accurate positioning effect as a deep groove ball bearing by a positioning sleeve and a clearance ring, reduces the monthly fault time of the follower fixture of the B line 2 bottle blowing machines by about 0.5 hour after the occurrence rate of the equipment crash faults is reduced, further shortens the production time, reduces the production energy consumption, improves the production efficiency, reduces the spare part consumption under the condition of prolonging the service life of the bearing and the guide mechanism of the fixture, reduces the hardware loss, further ensures that the annual bearing and the guide mechanism of the bearing are saved in a factory by about 1.2 ten thousand yuan, thereby solved present rotary-type bottle blowing machine and exceeded 2mm and then leaded to transition dish handing-over anchor clamps seat and can't carry out accurate location to the pallet because of the bearing roller along the ascending play of inner circle after the replacement bearing thereby lead to bottle blowing machine equipment operation to have certain safe risk's problem.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic perspective view of the upper bearing of the present invention;

FIG. 3 is a schematic perspective view of the positioning sleeve of the present invention;

FIG. 4 is a perspective view of the outer roller bearing mechanism of the present invention;

FIG. 5 is a perspective view of the free play ring of the present invention;

FIG. 6 is a schematic perspective view of a chuck head according to the present invention;

FIG. 7 is a schematic perspective view of a second embodiment of the chuck head of the present invention;

FIG. 8 is a perspective view of the inner race of the roller bearing of the present invention;

FIG. 9 is a perspective view of the central shaft of the clamp of the present invention.

In the figure: the fixture comprises a fixture head 1, an upper bearing 2, a positioning sleeve 3, a clearance ring 4, a connecting ring 41, a mortise block 42, a roller bearing outer mechanism 5, a roller bearing inner ring 6, a connecting sleeve 61, a mortise groove 62, a fixture central shaft 7, an internal thread 8 and an external thread 9.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 9, the present invention provides a technical solution: a clearance eliminating method for a roller bearing of a follower fixture roller of a bottle blowing machine comprises a fixture head 1, wherein the fixture head 1 is arranged to be connected with a bottle blowing machine main body so as to ensure the structural functionality of the device, a connecting hole provided with an internal thread 8 is formed in the lower side of the fixture head 1, the connecting hole is connected with an external thread 9 through the internal thread 8 in a threaded manner, the purpose is to stably connect the fixture head 1 with a fixture central shaft 7 so as to ensure the stable connection of the device and the bottle blowing machine main body, the external thread 9 is arranged at the upper end of the fixture central shaft 7, the lower end of the fixture head 1 is movably connected with an upper bearing 2, the inner ring of the upper bearing 2 is movably connected on the outer side surface of the fixture central shaft 7, the upper bearing 2 is arranged so as to ensure the accurate positioning and the structural functionality of the device, and is matched with a positioning sleeve 3 so as to, the lower extreme swing joint of upper bearing 2 has position sleeve 3, 3 lower extreme swing joints of position sleeve have the upper end of play circle 4, 4 swing joint of play circle are on 7 lateral surfaces of anchor clamps center pin, the setting of play circle 4 is stable with roller bearing outer mechanism 5 and roller bearing inner race 6 position in order to cooperate position sleeve 3, and then guarantee the functional practicality of the device, 4 lower extreme mortises of play circle have roller bearing inner race 6, the inside swing joint of roller bearing inner race 6 is on anchor clamps center pin 7, 6 outside swing joint of roller bearing inner race have roller bearing outer mechanism 5, the setting of roller bearing outer mechanism 5 is for guaranteeing that the device can bear certain friction and impact, and then guarantee the device's life, roller bearing outer mechanism 5 cup joints on anchor clamps center pin 7.

The upper bearing 2 is a 204 deep groove ball bearing, and the purpose of the bearing is to ensure the positioning accuracy of the device.

The play ring 4 comprises a connecting ring 41 and a mortise and tenon block 42, wherein the mortise and tenon block 42 is provided with four uniform fixed connections at the inner layer of the connecting ring 41, and the purpose is to position the roller bearing inner ring 6 and further stabilize the roller bearing outer mechanism 5.

The roller bearing inner ring 6 wraps and changes the connecting sleeve 61 and the mortise slot 62, and the mortise slot 62 is provided with four and evenly opens in the upper end of the connecting sleeve 61, and the purpose is to guarantee the structural functionality of the device for stably connecting the clearance ring 4.

Four fourth of twelve earthly branches close piece 42 and four fourth of twelve earthly branches close 62 fourth of twelve earthly branches groove, and its purpose is in order to guarantee roller bearing inner race 6 and play circle 4 be connected the functional practicality of compactness and roller bearing inner race 6, and then ensure the device's structural functionality.

The method comprises the following operation steps:

guarantee the rotation of the device through upper bearing 2, all structures in anchor clamps head 1 and the device are connected through anchor clamps center pin 7 simultaneously, then connect the bottle blowing machine main part through anchor clamps head 1, and then pass through position sleeve 3 when the bottle blowing machine uses, play circle 4 and roller bearing inner circle 6 eliminate the roller in the roller bearing outer mechanism 5 after the replacement of installation along the interior 2mm that the play upwards surpassed, and then make transition dish handing-over anchor clamps seat in-process can carry out accurate location to the pallet, thereby avoid the safe risk that bottle blowing machine equipment operation exists, and then guaranteed the functional practicality of the device.

The above-mentioned embodiments, objects, technical solutions and advantages of the present invention are further described in detail, it should be understood that the above-mentioned embodiments are only illustrative of the present invention and are not intended to limit the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.