CN114012989A - Ball guide plate - Google Patents
Ball guide plate Download PDFInfo
- Publication number
- CN114012989A CN114012989A CN202111364394.5A CN202111364394A CN114012989A CN 114012989 A CN114012989 A CN 114012989A CN 202111364394 A CN202111364394 A CN 202111364394A CN 114012989 A CN114012989 A CN 114012989A
- Authority
- CN
- China
- Prior art keywords
- ball
- guide
- groove
- straight section
- base
- Prior art date
- 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.)
- Pending
Links
- 238000010030 laminating Methods 0.000 claims abstract description 4
- 238000005461 lubrication Methods 0.000 claims description 16
- 230000007774 longterm Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 2
- 230000008569 process Effects 0.000 abstract description 2
- 230000001050 lubricating effect Effects 0.000 description 20
- 239000004519 grease Substances 0.000 description 9
- 238000005096 rolling process Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 210000002421 cell wall Anatomy 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/2602—Mould construction elements
- B29C45/2606—Guiding or centering means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/83—Lubricating means
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Bearings For Parts Moving Linearly (AREA)
Abstract
The invention provides a ball guide plate, and belongs to the technical field of dies. The ball guide plate solves the problem that the existing ball guide plate is easy to wear by balls in a long-term use process. This ball baffle, fix the apron in base one side including base and laminating, form annular direction passageway between base and the apron, be equipped with a plurality of balls of arranging in proper order in the direction passageway, direction passageway has double-phase parallel arrangement's straight section, the apron runs through the bar breach of seting up double-phase parallel arrangement with the position that two straight sections of direction passageway are relative, the width of bar breach is less than the external diameter of ball, and the lateral surface of the protruding apron of bar breach is followed to the ball in the straight section of direction passageway. This ball baffle can avoid the ball to appear excessive wearing and tearing in long-term use.
Description
Technical Field
The invention belongs to the technical field of dies and relates to a ball guide plate.
Background
In the mould field, injection mold especially relates to the relative slip of a large amount of parts in the course of the work, and the slip of part needs corresponding guide structure in order to guarantee the position precision, because the weight of the relevant sliding part of metal mold is big for put forward higher requirement to guide structure's bearing capacity, consequently more adoption face laminating's mode is led, adopt face contact to lead to between two relative sliding part promptly, but this kind of structure sliding friction is great, and wearing and tearing are also great, lead to moving the precision and reduce.
In order to solve the above problems, patent document (application No. 201821828483.4) discloses a mold taper guiding device, which includes a taper guiding column, a middle-dragging guiding sleeve and a large guiding sleeve, wherein the outer side of the taper guiding column above a taper fixing sleeve is sleeved with the middle-dragging guiding sleeve, the outer side of the taper guiding column above the middle-dragging guiding sleeve is sleeved with the large guiding sleeve, a pair of ball strips are symmetrically installed on the inner sides of the large guiding sleeve and the middle-dragging guiding sleeve, and the ball strips are abutted against the outer peripheral surface of the taper guiding column for guiding so as to reduce sliding friction force, but after surface contact is changed into point contact, the balls are also subjected to stress concentration and load enlargement, so that the balls are excessively worn after long-time use, and position accuracy is affected.
Disclosure of Invention
The invention aims to solve the problems in the prior art, and provides a ball guide plate which is used for solving the problem that balls are easy to wear in the long-term use process of the existing ball guide plate.
The purpose of the invention can be realized by the following technical scheme: the utility model provides a ball baffle, includes that base and laminating fix the apron in base one side, its characterized in that, form annular direction passageway between base and the apron, be equipped with a plurality of balls of arranging in proper order in the direction passageway, the direction passageway has double-phase parallel arrangement's straight section, the apron runs through the bar breach of seting up double-phase parallel arrangement with the two straight relative positions of section of direction passageway, the width of bar breach is less than the external diameter of ball, and the lateral surface of the protruding apron of bar breach is followed to the ball in the straight section of direction passageway.
When the rolling guide device is used, the base is fixed, the balls in the straight section of the guide channel can protrude out of the outer side face of the cover plate from the strip-shaped notches, so that two rows of balls protruding out of the outer side face of the cover plate and used for guiding are formed, parts needing sliding guiding, such as the sliding block, the square guide pillar and the like are abutted against the two rows of balls, rolling guiding is realized, and the sliding friction force of the parts, such as the sliding block, the square guide pillar and the like, is reduced, wherein the guide channel is annular, only the balls in the straight section of the guide channel are in a rolling use state, and the two rows of balls are subjected to the rolling friction force in the same direction, so that the balls are counteracted mutually, the balls cannot circularly move in the guide channel, other balls can be hidden at other positions of the guide channel, and when lubricating grease on the balls in the straight section of the guide channel is insufficient after being used for a period of time, the balls are manually pushed in a one direction, so that the balls circularly move in the guide channel, the ball that other positions were stained with lubricating grease in the guiding channel enters into straight section, and the ball of former straight section is then hidden and the lubricating grease of adhesion again, thereby avoid the straight section interior ball of guiding channel to lack the excessive wearing and tearing of lubricating grease direction because long-term the use, and each ball all can be used by regular pushing in straight section, thereby make each ball wearing and tearing even, guarantee the direction effect, simultaneously, only set up the bar breach of double-phase parallel with the apron of ball restriction on the base, make the apron be integral type platelike, adopt the split type plate body concatenation of polylith to fix and form the guiding channel on the base with the apron and compare, the guiding channel size precision that the integral type apron formed after fixed with the base is higher, and then guarantee the direction effect of ball.
In foretell ball baffle, seted up annular guide way on the apron medial surface, the guide way has two parallel arrangement's straight section, surround the straight section that forms above-mentioned guide way between the cell wall of the straight section of guide way and the base side, two the bar breach sets up and runs through to the bottom surface of the straight section of guide way along two straight section length directions of guide way respectively. The straight section of guiding channel is enclosed by the straight section cell wall of guide way and base side and is formed for support on the base side during the ball atress in the straight section of guiding channel, the base side has higher structural strength, thereby provides stable support for the ball, and the wearing and tearing that self received when reducing the ball and rolling.
In the ball guide plate, the width of the strip-shaped notch is smaller than the groove width of the straight section of the guide groove, the groove width of the straight section of the guide groove is slightly larger than the outer diameter of the ball, and the groove depth of the straight section of the guide groove is smaller than the outer diameter of the ball. The groove width of guide way only slightly is greater than the external diameter of ball, consequently can retrain and lead to the ball for the ball in the straight section keeps being row, and the groove depth of the straight section of guide way is less than the external diameter of ball, and the width of bar breach is less than the groove width of the straight section of guide way, thereby avoids the ball to deviate from the bar breach when ball protrusion bar breach, guarantees overall structure stability.
In the ball guide plate, the guide groove is further provided with two arc sections which are symmetrically arranged, two arc-shaped strip-shaped lubricating grooves are formed in the side face of the base, and the two lubricating grooves are respectively opposite to the two arc sections of the guide groove and surround the arc sections to form the guide channel. Guide channel's segmental arc surrounds through lubrication groove and guide groove segmental arc and forms, and the lubrication groove cave in the base side, and consequently the ball position in the guide channel segmental arc is less than the ball in the straight section, and this makes the ball in the guide channel segmental arc hidden, stores lubricating grease in the segmental arc in advance during the use to abundant adhesion lubricating grease when ball circulative movement.
In the ball guide plate, the groove depth of the arc-shaped section of the guide groove is smaller than that of the straight section of the guide groove, and the groove depth of the middle part of the arc-shaped section of the guide groove is the same as that of the middle part of the lubricating groove. That is, half of the balls in the arc-shaped section of the guide channel are positioned in the guide groove, the other half of the balls are positioned in the lubricating groove, and when the balls enter the straight section of the guide channel, the balls are basically positioned in the guide groove and partially protrude out of the strip-shaped notch.
In the ball guide plate, the groove depth of the lubricating groove gradually decreases from the middle part to the two ends, the groove walls at the two ends of the lubricating groove are in smooth transition with the side surface of the base, and the groove depth at the arc-shaped section of the guide groove gradually increases from the middle part to the two ends. When the ball is pushed, the ball in the lubricating groove gradually rises to the side face of the base, and the ball in the straight section of the guide groove gradually falls into the lubricating groove, so that the ball is switched and used.
In the above ball guide, the groove width at the arc-shaped section of the guide groove is slightly larger than the outer diameter of the ball. The groove width of guide way segmental arc is the same with lubrication groove width, retrains spacingly to the ball, avoids the ball unordered roll in the direction passageway segmental arc for the circulatory movement is more smooth and easy.
In the ball guide plate, the length of the arc-shaped section of the guide channel is greater than that of the straight section. The number of the balls in the arc is more than that of the balls in the straight section, so that the balls in the straight section can be completely replaced when switching.
In the above ball guide, the cover plate is fixed to the base by a plurality of screws, at least one of which is located inside the guide passage. The screws are fixed on the inner side and the outer side of the guide channel, the size precision of the guide channel after the cover plate is matched with the base is ensured, and the phenomenon that the balls are clamped and blocked due to the fact that the cover plate and the base are staggered under the action of external force is avoided.
In the ball guide plate, the base is vertically fixed with two positioning columns, the cover plate is provided with two positioning holes, the two positioning columns are respectively inserted into the two positioning holes, and the two positioning columns are both positioned at the inner side of the guide channel. The positioning column can carry out prepositioning to the apron in advance when fixed apron, guarantees the position accuracy of apron.
Compared with the prior art, the ball guide plate has the following advantages:
1. because manual one-way promotion ball for the ball is at the guide way internal loop and moves, the ball that is stained with lubricating grease in the guide way segmental arc enters into straight section, and the ball of former straight section is then hidden to the segmental arc and the lubricating grease of reattachment, thereby avoid the straight interior ball of guide way to lack lubricating grease and lead excessive wearing and tearing because of long-term use, and each ball all can be used by regular pushing in straight section, thereby make each ball wearing and tearing even, guarantee the direction effect.
2. Because only set up double-phase parallel bar breach with the apron of ball restriction on the base for the apron is integral type platelike, and the direction passageway size precision that the fixed back of integral type apron and base formed is higher, and then guarantees the direction effect of ball.
Drawings
Fig. 1 is a perspective view of a ball guide.
Fig. 2 is an exploded view of the structure of the ball guide.
Fig. 3 is a perspective view of the cover plate.
Fig. 4 is a structural front view of the ball guide.
Fig. 5 is a sectional view of the structure at a-a in fig. 4.
Fig. 6 is a sectional view of the structure at B-B in fig. 4.
Fig. 7 is a cross-sectional view of the structure at C-C in fig. 4.
Fig. 8 is a cross-sectional view of the structure at D-D in fig. 5.
In the figure, 1, a base; 11. a lubrication groove; 12. mounting holes; 2. a cover plate; 21. a guide groove; 22. a strip-shaped notch; 23. positioning holes; 3. a guide channel; 4. a ball bearing; 5. a screw; 6. and a positioning column.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
As shown in fig. 1 to 3, a ball guide plate comprises a block-shaped base 1 and a rectangular cover plate 2, wherein a mounting hole 12 for mounting and fixing is formed in the base 1, two positioning posts 6 are vertically fixed on the base 1, two positioning holes 23 are formed in the cover plate 2, an annular guide groove 21 is formed in the side surface of the cover plate 2, the guide groove 21 comprises two straight sections which are arranged in parallel and two arc sections which are symmetrically arranged, the length of the arc section of the guide groove 21 is greater than that of the straight sections, two arc-shaped strip-shaped lubricating grooves 11 are formed in the side surface of the base 1, the two lubricating grooves 11 are symmetrically arranged, the side surface of the cover plate 2, provided with the guide groove 21, is attached to the side surface of the base 1, provided with the lubricating grooves 11, so that the two positioning posts 6 respectively penetrate through the two positioning holes 23 of the cover plate 2 and are locked and fixed by a plurality of screws 5, the two positioning posts 6 and one of the screws 5 are located on the annular inner side of the guide groove 21, so that an annular guide channel 3 is formed between the guide groove 21 and the lubrication grooves 11 and between the guide groove 21 and the side surface of the base 1, that is, two arc sections of the guide groove 21 are respectively opposite to the two lubrication grooves 11 and surround to form an arc section of the guide channel 3, and two straight sections of the guide groove 21 are respectively opposite to the side surface of the base 1 and surround to form a straight section of the guide channel 3. 2 lateral surfaces of apron all seted up banding bar breach 22 with two straight section relative positions of guide way 21, two bar breaches 22 set up and run through to the bottom surface of 21 straight sections of guide way along two straight section length direction of guide way 21 respectively, the length of bar breach 22 is roughly the same with the length of 21 straight sections of guide way, and two bar breach 22 parallel arrangement, be equipped with a plurality of balls 4 of arranging in proper order in guide way 3, ball 4 is covered with whole guide way 3, the external diameter of ball 4 is greater than the width of bar breach 22, make ball 4 in 3 straight sections of guide way follow the lateral surface of bar breach 22 protrusion apron 2.
Specifically, as shown in fig. 4 to 8, the width of the strip-shaped notch 22 is smaller than the width of the straight section of the guide groove 21, the widths of the straight section and the arc-shaped section of the guide groove 21 are slightly larger than the outer diameter of the ball 4, the width of the lubrication groove 11 is the same as the width of the arc-shaped section of the guide groove 21, the depth of the straight section of the guide groove 21 is smaller than the outer diameter of the ball 4, the depth of the middle part of the arc-shaped section of the guide groove 21 and the depth of the middle part of the lubrication groove 11 in the length direction are both half of the outer diameter of the ball 4, the depth of the arc-shaped section of the guide groove 21 is smaller than the depth of the straight section of the guide groove 21, the depth of the lubrication groove 11 gradually decreases from the middle part to both ends, the groove walls of both ends of the lubrication groove 11 smoothly transition with the side surface of the base 1, and the depth of the arc-shaped section of the guide groove 21 gradually increases from the middle part to both ends.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Although the terms base 1, lubrication groove 11, mounting hole 12, etc. are used more herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.
Claims (10)
1. The utility model provides a ball baffle, includes that base (1) and laminating fix apron (2) in base (1) one side, its characterized in that, form annular direction passageway (3) between base (1) and apron (2), be equipped with a plurality of balls (4) of arranging in proper order in direction passageway (3), direction passageway (3) have double-phase parallel arrangement's straight section, apron (2) run through the bar breach (22) of seting up double-phase parallel arrangement with the relative position of two straight sections of direction passageway (3), the width of bar breach (22) is less than the external diameter of ball (4), and the lateral surface of apron (2) is protruded from bar breach (22) to ball (4) in the straight section of direction passageway (3).
2. The ball guide plate according to claim 1, wherein the inner side surface of the cover plate (2) is provided with an annular guide groove (21), the guide groove (21) has two parallel straight sections, a straight section of the guide channel (3) is defined between the groove wall of the straight section of the guide groove (21) and the side surface of the base (1), and the two strip-shaped notches (22) are respectively arranged along the length direction of the two straight sections of the guide groove (21) and penetrate through to the bottom surface of the straight section of the guide groove (21).
3. The ball guide according to claim 2, characterized in that the width of the strip-shaped gap (22) is smaller than the groove width of the straight section of the guide groove (21), the groove width of the straight section of the guide groove (21) is slightly larger than the outer diameter of the ball (4), and the groove depth of the straight section of the guide groove (21) is smaller than the outer diameter of the ball (4).
4. The ball guide plate according to claim 2, wherein the guide groove (21) further has two symmetrically arranged arc sections, the base (1) is provided with two arc-shaped strip-shaped lubrication grooves (11) on the side surface, and the two lubrication grooves (11) are respectively opposite to the two arc sections of the guide groove (21) and surround the arc sections of the guide channel (3).
5. The ball guide according to claim 4, wherein the groove depth at the arc-shaped section of the guide groove (21) is smaller than the groove depth at the straight section of the guide groove (21), and the groove depth at the middle of the arc-shaped section of the guide groove (21) is the same as the groove depth at the middle of the lubrication groove (11).
6. The ball guide plate according to claim 5, wherein the groove depth of the lubrication groove (11) is gradually reduced from the middle part to the two ends, the groove walls at the two ends of the lubrication groove (11) are smoothly transited with the side surfaces of the base (1), and the groove depth at the arc-shaped section of the guide groove (21) is gradually increased from the middle part to the two ends.
7. A ball guide according to claim 4 or 5 or 6, wherein the width of the guide slot (21) at the arc-shaped section is slightly larger than the outer diameter of the balls (4).
8. The ball guide according to claim 4 or 5 or 6, wherein the length of the arc-shaped section of the guide channel (3) is greater than the length of the straight section.
9. Ball guide according to any of claims 1-6, wherein the cover plate (2) is fixed to the base plate (1) by means of a number of screws (5), at least one of which screws (5) is located inside the guide channel (3).
10. The ball guide plate according to any one of claims 1 to 6, wherein two positioning posts (6) are vertically fixed on the base (1), two positioning holes (23) are formed in the cover plate (2), the two positioning posts (6) are respectively inserted into the two positioning holes (23), and the two positioning posts (6) are both located on the inner side of the guide channel (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111364394.5A CN114012989A (en) | 2021-11-17 | 2021-11-17 | Ball guide plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111364394.5A CN114012989A (en) | 2021-11-17 | 2021-11-17 | Ball guide plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114012989A true CN114012989A (en) | 2022-02-08 |
Family
ID=80064943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111364394.5A Pending CN114012989A (en) | 2021-11-17 | 2021-11-17 | Ball guide plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114012989A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1468120A (en) * | 1966-02-11 | 1967-02-03 | Beaver Prec Products | Mounting of ball bearings |
| JPS552873A (en) * | 1978-04-04 | 1980-01-10 | Skf Ind Trading & Dev | Ball bush for linear motion |
| CN101018956A (en) * | 2004-08-27 | 2007-08-15 | Thk株式会社 | Rolling guiding device |
| CN208799445U (en) * | 2017-11-15 | 2019-04-30 | 佛山市顺德区亿卡尔医疗设备有限公司 | Ball-type bilayer slides transfer blade |
-
2021
- 2021-11-17 CN CN202111364394.5A patent/CN114012989A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1468120A (en) * | 1966-02-11 | 1967-02-03 | Beaver Prec Products | Mounting of ball bearings |
| JPS552873A (en) * | 1978-04-04 | 1980-01-10 | Skf Ind Trading & Dev | Ball bush for linear motion |
| CN101018956A (en) * | 2004-08-27 | 2007-08-15 | Thk株式会社 | Rolling guiding device |
| CN208799445U (en) * | 2017-11-15 | 2019-04-30 | 佛山市顺德区亿卡尔医疗设备有限公司 | Ball-type bilayer slides transfer blade |
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