CN219827624U - Ball screw bearing for injection molding machine - Google Patents

Ball screw bearing for injection molding machine Download PDF

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Publication number
CN219827624U
CN219827624U CN202321389721.7U CN202321389721U CN219827624U CN 219827624 U CN219827624 U CN 219827624U CN 202321389721 U CN202321389721 U CN 202321389721U CN 219827624 U CN219827624 U CN 219827624U
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China
Prior art keywords
bearing
ball
base
center
injection molding
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CN202321389721.7U
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Chinese (zh)
Inventor
郑琦
戴崇华
王吉林
杨爱丰
董利飞
曹建根
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Zhejiang Wanzhong Precision Bearing Co ltd
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Zhejiang Wanzhong Precision Bearing Co ltd
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Priority to CN202321389721.7U priority Critical patent/CN219827624U/en
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Abstract

The utility model discloses a ball screw bearing for an injection molding machine, which relates to the technical field of injection molding machines and comprises the following components: the base, both ends about the base top all fixed mounting have the mounting panel, fixed connection in the gag lever post of both ends bottom department of leaning on around the mounting panel, rotate connect in the mounting panel is close to the lead screw body of base center one side, set up in the slewing mechanism at both ends about the lead screw body, slewing mechanism includes the inner race, the inner race snare is in the surface at both ends about the lead screw body, the equidistance distribute in the outside first ball of interior collar. Through the cooperation of rotary mechanism and inside each part and use, can be when using, through the setting of interior pedestal collar and first ball for the rotation of lead screw body, after the lubrication of first ball, can make the rotation motion more smooth and easy, and the upper and lower both ends of first ball inlay the structure of being connected with interior pedestal collar and outer pedestal collar respectively, can avoid appearing the condition that breaks away from.

Description

Ball screw bearing for injection molding machine
Technical Field
The utility model relates to the technical field of injection molding machines, in particular to a ball screw bearing for an injection molding machine.
Background
Injection molding machines, also known as injection molding machines or injection molding machines, are capable of melting plastic into a gel, and then applying a high pressure to the gel to cause the gel to be ejected out of the injection molding machine and into a mold cavity to obtain a shaped plastic product.
According to publication number "CN201520161079.6", a ball screw is disclosed, having: a screw shaft having a spiral ball raceway on an outer peripheral surface thereof; a nut having a spiral ball raceway on an inner peripheral surface thereof; and a plurality of load balls disposed in a raceway formed by facing the ball raceway of the screw shaft and the ball raceway of the nut, wherein a flat surface is provided on a part of an outer periphery of the nut flange, and according to the above-described structure, since the flat surface is provided on a part of an outer periphery of the nut flange of the ball screw, the mounting height of the ball screw can be reduced, contributing to realization of compact housing.
The existing ball screw disclosed in the prior art is relatively simple in structure at two ends when rotating, and relatively large in resistance in the use process, so that the ball screw is relatively poor in smoothness when rotating, and relatively large in energy consumption for a motor, and when the bearing base and the bearing block move, the second ball is relatively large in function, so that the second ball is difficult to lubricate and replace in time when faults occur.
Accordingly, one skilled in the art would be able to provide a ball screw bearing for an injection molding machine that solves the problems set forth in the background art.
Disclosure of Invention
The utility model aims to provide a ball screw bearing for an injection molding machine, which solves the problems that the prior ball screw is relatively simple in structure at two ends during rotation, relatively high in resistance in the use process, relatively poor in smoothness during rotation of the ball screw, relatively high in energy consumption for a motor, and relatively high in effect of a second ball during movement of a bearing base and a bearing block, and difficult to lubricate and replace in time when the second ball breaks down.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
a ball screw bearing for an injection molding machine, comprising: the base, both ends about the base top are all fixed mounting board, fixed connection is in the gag lever post of the upper department of both ends bottom around the mounting board, rotate the lead screw body of being connected in the mounting board is close to base center one side, set up in the slewing mechanism at both ends about the lead screw body;
the rotating mechanism comprises an inner shaft ring which is sleeved on the outer surfaces of the left end and the right end of the screw rod body, first balls outside the inner shaft ring are distributed at equal intervals, the outer shaft ring outside the first balls is arranged on a rotating motor at the left end of the screw rod body, a mounting groove which is arranged in one side of the mounting plate close to the center of the base is formed, the mounting rod is fixedly connected to the front end and the rear end of the bottom of the inner cavity of the mounting groove, supporting pads which are fixedly connected to the top of the mounting rod are rotatably connected to lifting sleeves which are arranged at the front end and the rear end of the top of the mounting plate close to the center, lifting screw rods which are in threaded connection with the bottom of the lifting sleeves are fixedly connected to fixing pads at the bottom of the lifting screw rod, rotating pins which are fixedly connected to the center of the top of the lifting sleeve are arranged on the outer surface of the left end of the screw rod body.
As a further scheme of the utility model: the translation bearing comprises a bearing base, wherein the bearing base is in threaded connection with the bottom of the left end of the screw rod body, is in sliding connection with bearing blocks at the front end and the rear end of the top of the bearing base, is arranged in a ball groove on one side of the bearing base, which is close to the center of the screw rod body, of the bearing block, is arranged in a steering groove on the rear side of the ball groove, is arranged in a second ball in the ball groove, and is arranged in an adjusting mechanism at the front end and the rear end of the bearing base.
As a further scheme of the utility model: the adjusting mechanism comprises a limiting block, the limiting block is fixedly connected to the front end and the rear end of the bearing base, the limiting block is fixedly installed on adjusting pieces at the center of the front end of the top of the limiting block and the center of the front end of the bearing block, the limiting block is rotationally connected to an adjusting sleeve, located at the center of the front end of the top of the limiting block, of the adjusting piece, the adjusting sleeve is close to one side of the center of the bearing base, and the adjusting sleeve is in threaded connection with an adjusting screw rod, located at one side, close to the center of the bearing base, of the adjusting sleeve.
As a further scheme of the utility model: the two ends of the first ball are respectively embedded into the inner part of one side opposite to the inner shaft collar and the outer shaft collar, and the diameter of the inner surface of the inner shaft is the same as that of the outer surface of the screw rod body.
As a further scheme of the utility model: the surface of the opposite side of the supporting pad and the fixing pad is tightly attached to the surface of the upper end and the lower end of the outer shaft ring, and the front end and the rear end of the fixing pad form an opposite lifting structure through a lifting sleeve and a lifting screw rod.
As a further scheme of the utility model: the steering groove is inclined at 45 degrees, and the translation bearing and the base form a horizontal movement structure through the screw rod body and the second ball.
As a further scheme of the utility model: the bearing base is partially embedded and connected with one side of the bearing block, which is opposite to the bearing base, and the bearing block forms a relative movement structure through an adjusting sleeve and an adjusting screw rod.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the screw rod, through the matching use of the rotating mechanism and the components in the rotating mechanism, when the screw rod is used, the screw rod body rotates through the arrangement of the inner shaft collar and the first ball, the rotating movement is smoother after the first ball is lubricated, and the upper end and the lower end of the first ball are respectively connected with the inner shaft collar and the outer shaft collar in an embedded mode, so that the situation of separation can be avoided.
2. According to the utility model, through the matching use of the adjusting mechanism and the parts inside the adjusting mechanism, the bearing blocks can be driven to move to one side far away from the center of the bearing base through the matching use of the adjusting sleeve and the adjusting screw rod, so that gaps appear between the bearing blocks, the second balls are convenient to replace, and in the use process, the lubricating oil is smeared on the outer surfaces of the second balls through the gaps, so that the service life of the equipment is prolonged.
Drawings
Fig. 1 is a schematic front perspective view of a ball screw bearing for an injection molding machine.
Fig. 2 is a schematic view of a partial structure of a ball screw bearing rotating mechanism for an injection molding machine.
Fig. 3 is a schematic side view of a ball screw bearing translation bearing for an injection molding machine.
Fig. 4 is a schematic top view of a ball screw bearing translation bearing for an injection molding machine.
Fig. 5 is an enlarged schematic view of a part a of a ball screw bearing for an injection molding machine.
In the figure: 1. a base; 2. a mounting plate; 3. a limit rod; 4. a screw rod body; 5. an inner collar; 6. a first ball; 7. an outer collar; 8. a rotating motor; 9. a translation bearing; 10. a bearing base; 11. a bearing block; 12. a ball groove; 13. a steering groove; 14. a second ball; 15. a limiting block; 16. a regulating piece; 17. an adjusting sleeve; 18. adjusting a screw rod; 19. a mounting rod; 20. a support pad; 21. a lifting sleeve; 22. lifting the screw rod; 23. a fixing pad; 24. and (5) rotating the pin.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1 to 5, an embodiment of the present utility model provides a ball screw bearing for an injection molding machine, including: the device comprises a base 1, mounting plates 2 are fixedly mounted at the left end and the right end of the top of the base 1, limiting rods 3 fixedly connected to the upper parts of the bottoms of the front end and the rear end of the mounting plates 2, a screw rod body 4 rotatably connected to one side of the mounting plates 2 close to the center of the base 1, and rotating mechanisms arranged at the left end and the right end of the screw rod body 4;
the rotating mechanism comprises an inner shaft collar 5, an inner shaft collar 5 is sleeved on the outer surfaces of the left end and the right end of a screw rod body 4, first balls 6 are equidistantly distributed outside the inner shaft collar 5, an outer shaft collar 7 is arranged outside the first balls 6, a rotating motor 8 is arranged at the left end of the screw rod body 4, a mounting groove is formed in one side of a mounting plate 2 close to the center of the base 1, mounting rods 19 are fixedly connected to the front end and the rear end of the bottom of an inner cavity of the mounting groove, supporting pads 20 are fixedly connected to the tops of the mounting rods 19, lifting sleeves 21 are rotatably connected to the tops of the mounting plate 2 close to the front end and the rear end of the center, lifting screws 22 are in threaded connection with the bottoms of the lifting sleeves 21, fixing pads 23 are fixedly connected to the bottoms of the lifting screws 22, rotating pins 24 are fixedly connected to the center of the tops of the lifting sleeves 21, and translation bearings 9 are arranged on the outer surface of the left end of the screw rod body 4.
The two ends of the first ball 6 are respectively embedded into the inner part of the opposite sides of the inner shaft collar 5 and the outer shaft collar 7, and the diameter of the inner surface of the inner shaft collar 5 is the same as the diameter of the outer surface of the screw rod body 4.
The surface of the opposite side of the supporting pad 20 and the fixing pad 23 is tightly attached to the surface of the upper end and the lower end of the outer shaft collar 7, and the front end and the rear end of the fixing pad 23 form a relative lifting structure through the lifting sleeve 21 and the lifting screw rod 22.
Through interior pedestal collar 5 and first ball 6 for the rotation of lead screw body 4 can make the rotation motion more smooth and easy.
The translation bearing 9 comprises a bearing base 10, the bearing base 10 is in threaded connection with the bottom of the left end of the screw rod body 4, bearing blocks 11 which are in sliding connection with the front end and the rear end of the top of the bearing base 10, a ball groove 12 which is formed on one side of the bearing base 10 and the bearing blocks 11 and is close to the center of the screw rod body 4, a steering groove 13 which is formed on the rear side of the ball groove 12, a second ball 14 which is arranged in the ball groove 12, and an adjusting mechanism which is arranged on the front end and the rear end of the bearing base 10.
The steering groove 13 is inclined at 45 degrees, and the translation bearing 9 and the base 1 form a horizontal movement structure through the screw rod body 4 and the second ball 14.
Through the arrangement of the screw rod body 4 and the second ball 14, the translation bearing 9 can realize the purpose of horizontal movement.
The adjusting mechanism comprises a limiting block 15, the limiting block 15 is fixedly connected to the front end and the rear end of the bearing base 10, an adjusting piece 16 fixedly installed at the center of the front end of the top of the limiting block 15 and the center of the front end of the bearing block 11, an adjusting sleeve 17 rotatably connected to one side, close to the center of the bearing base 10, of the adjusting piece 16 located at the center of the front end of the top of the limiting block 15, and an adjusting screw rod 18 in threaded connection with one side, close to the center of the bearing base 10, of the adjusting sleeve 17.
The bearing base 10 and the opposite side of the bearing block 11 are partially embedded and connected, and the bearing block 11 forms a relative movement structure through an adjusting sleeve 17 and an adjusting screw 18.
The bearing blocks 11 are driven to move relatively through the rotation of the adjusting screw 18, so that gaps are formed between the bearing blocks 11, the second balls 14 are convenient to replace, and lubricating oil is smeared on the outer surfaces of the second balls 14 through the gaps in the use process.
The working principle of the utility model is as follows:
when the screw rod is used, the screw rod body 4 is driven to rotate through the rotating motor 8, in the rotating process of the screw rod body 4, as the diameter of the inner surface of the inner shaft collar 5 is the same as that of the outer surface of the screw rod body 4, and the two ends of the first ball 6 are respectively embedded into the inner side opposite to the inner shaft collar 5 and the outer shaft collar 7, the screw rod body 4 can rotate smoothly under the action of the first ball 6 and the inner shaft collar 5, and the outer shaft collar 7 can keep a motionless state under the action of the supporting pad 20 and the fixing pad 23;
during the rotation of the screw rod body 4, the second ball 14 reciprocally rotates and moves in the ball groove 12 and the steering groove 13, and the translational movement of the translational bearing 9 is smoother;
in the process of moving the translation bearing 9, if the smoothness is reduced, through the rotation of the adjusting sleeve 17 and the cooperation of the adjusting screw 18, the bearing blocks 11 relatively move at the top of the bearing base 10, gaps are formed between the bearing blocks 11, the second balls 14 are convenient to replace, and in the use process, lubricating oil is smeared on the outer surfaces of the second balls 14 through the gaps, so that the service life of the equipment is prolonged.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (7)

1. A ball screw bearing for an injection molding machine, comprising: the device is characterized in that mounting plates (2) are fixedly mounted at the left end and the right end of the top of the base (1), limiting rods (3) are fixedly connected to the upper positions of the bottoms of the front end and the rear end of the mounting plates (2), screw rod bodies (4) are rotatably connected to one side, close to the center of the base (1), of the mounting plates (2), and rotating mechanisms are arranged at the left end and the right end of the screw rod bodies (4);
the rotating mechanism comprises an inner shaft collar (5), the inner shaft collar (5) is sleeved on the outer surfaces of the left end and the right end of a screw rod body (4), the inner shaft collar (5) is distributed on first balls (6) outside the inner shaft collar (6), the outer shaft collar (7) outside the first balls (6) is arranged on a rotating motor (8) at the left end of the screw rod body (4), the rotating motor is arranged in an installation groove inside one side of the installation plate (2) close to the center of the base (1), the rotating motor is fixedly connected with installation rods (19) at the front end and the rear end of the bottom of the inner cavity of the installation groove, the supporting pads (20) are fixedly connected to the top of the installation rods (19), the lifting sleeves (21) are rotatably connected to the front end and the rear end of the top of the installation plate (2) close to the center, the lifting screws (22) are in threaded connection with fixing pads (23) at the bottom of the lifting sleeves (21), and rotating pins (24) at the center of the top of the lifting sleeves (21) are arranged on a translation bearing (9) on the outer surface of the left end of the screw rod body (4).
2. The ball screw bearing for the injection molding machine according to claim 1, wherein the translation bearing (9) comprises a bearing base (10), the bearing base (10) is in threaded connection with the bottom of the left end of the screw rod body (4), bearing blocks (11) which are in sliding connection with the front end and the rear end of the top of the bearing base (10), a ball groove (12) which is formed in one side of the bearing base (10) and the bearing blocks (11) close to the center of the screw rod body (4), a steering groove (13) which is formed in the rear side of the ball groove (12), a second ball (14) which is arranged in the ball groove (12) and an adjusting mechanism which is arranged at the front end and the rear end of the bearing base (10).
3. The ball screw bearing for the injection molding machine according to claim 2, wherein the adjusting mechanism comprises a limiting block (15), the limiting block (15) is fixedly connected to the front end and the rear end of the bearing base (10), an adjusting piece (16) fixedly installed at the center of the front end of the top of the limiting block (15) and the center of the front end of the bearing block (11), an adjusting sleeve (17) rotatably connected to one side, close to the center of the bearing base (10), of the adjusting piece (16) located at the center of the front end of the top of the limiting block (15), and an adjusting screw (18) screwed to one side, close to the center of the bearing base (10), of the adjusting sleeve (17).
4. The ball screw bearing for an injection molding machine according to claim 1, wherein both ends of the first ball (6) are respectively embedded into the inner side of the inner shaft collar (5) opposite to the outer shaft collar (7), and the diameter of the inner surface of the inner shaft collar (5) is the same as the diameter of the outer surface of the screw body (4).
5. The ball screw bearing for an injection molding machine according to claim 1, wherein the surfaces of the opposite sides of the supporting pad (20) and the fixing pad (23) are tightly attached to the surfaces of the upper and lower ends of the outer shaft collar (7), and the front and rear ends of the fixing pad (23) form an opposite lifting structure through the lifting sleeve (21) and the lifting screw (22).
6. A ball screw bearing for an injection molding machine according to claim 2, characterized in that the steering groove (13) is provided inclined at 45 degrees, and that the translation bearing (9) forms a horizontal movement structure with the base (1) through the screw body (4) and the second balls (14).
7. A ball screw bearing for an injection molding machine according to claim 3, wherein the bearing base (10) and the opposite side of the bearing block (11) are partially connected in an embedded manner, and the bearing block (11) forms a relative movement structure through an adjusting sleeve (17) and an adjusting screw (18).
CN202321389721.7U 2023-06-02 2023-06-02 Ball screw bearing for injection molding machine Active CN219827624U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321389721.7U CN219827624U (en) 2023-06-02 2023-06-02 Ball screw bearing for injection molding machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321389721.7U CN219827624U (en) 2023-06-02 2023-06-02 Ball screw bearing for injection molding machine

Publications (1)

Publication Number Publication Date
CN219827624U true CN219827624U (en) 2023-10-13

Family

ID=88281882

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321389721.7U Active CN219827624U (en) 2023-06-02 2023-06-02 Ball screw bearing for injection molding machine

Country Status (1)

Country Link
CN (1) CN219827624U (en)

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