CN217021141U - Distance adjusting device and sizing device - Google Patents
Distance adjusting device and sizing device Download PDFInfo
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- CN217021141U CN217021141U CN202123029297.9U CN202123029297U CN217021141U CN 217021141 U CN217021141 U CN 217021141U CN 202123029297 U CN202123029297 U CN 202123029297U CN 217021141 U CN217021141 U CN 217021141U
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Abstract
The utility model discloses a distance adjusting device and a sizing device. Wherein the base forms an installation space; the at least two groups of distance components are connected with the base and arranged in the installation space, each distance component comprises a screw rod and at least one pair of sliding tables, the at least one pair of sliding tables is connected with the screw rod, and when the screw rod rotates, two sliding tables in each pair of sliding tables move towards or away from each other; the driving piece is connected with one of the screw rods so as to enable the screw rods to rotate; the transmission assembly is connected with the screw rod to link at least two screw rods. Through the setting, when the multiunit roll adjustment is carried out to needs, only need to rotate the lead screw of one of them set of distance subassembly, make the distance between two sliding tables change, can make the lead screw in all the other distance subassemblies rotate to make the proportional change of sliding table interval wherein, avoided every to the repeated calibration problem that the independent regulation of sliding table brought, improve work efficiency.
Description
Technical Field
The utility model relates to the technical field of plastic production, in particular to a distance adjusting device and a sizing device.
Background
In the industrial production course of working, often need carry out multiunit constant proportion roll adjustment, at present, it is more extensive to use in proper order, singly to adjust a certain set of slip table in the multiunit regulation slip table, adjusts and expend time for a long time, and when the distance between the multiunit slip table of needs enlarges or reduces in proportion, often needs calibration and adjustment repeatedly for multiunit constant proportion roll adjustment step is loaded down with trivial details, and the operation is inconvenient.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide a distance adjusting device, which aims to meet the requirement of multi-group equal-proportion distance adjustment, realize accurate adjustment of unit position linkage, avoid repeated calibration and improve the working efficiency.
In order to achieve the above object, the present invention provides a distance adjusting device for performing multiple constant ratio distance adjustments, the distance adjusting device comprising:
a base forming an installation space;
the at least two sets of distance components are connected with the base and arranged in the installation space, each distance component comprises a lead screw and at least one pair of sliding tables, the at least one pair of sliding tables are connected with the lead screw, and when the lead screw rotates, two sliding tables in each pair of sliding tables move towards or away from each other;
the driving piece is connected with at least one of the screw rods so as to enable the screw rods to rotate; and
and the transmission assembly is connected with the screw rod to link at least two screw rods.
In one embodiment, the screw rod comprises a positive thread part and a negative thread part, and the thread directions of the positive thread part and the negative thread part are opposite and the thread pitches are the same;
the at least one pair of sliding tables comprises an orthodontic sliding table and an anti-orthodontic sliding table, the orthodontic sliding table is arranged on the orthodontic part, and the anti-orthodontic sliding table is arranged on the anti-orthodontic part.
In an embodiment, the distance assembly is further provided with a guide rod, the guide rod and the screw rod are arranged in the installation space in parallel and are connected with the base, and the guide rod penetrates through the sliding table.
In one embodiment, the sliding table is provided with a through hole, the guide rod penetrates through the through hole, and an oilless bushing is arranged between the guide rod and the through hole;
and/or at least two guide rods respectively penetrate through two ends of the sliding table.
In one embodiment, the transmission assembly is provided with at least two gears, one gear is correspondingly connected with one end of one screw rod, and at least two gears are arranged on the same side and are meshed with each other.
In an embodiment, the transmission assembly further comprises a transmission cover, the transmission cover covers the base to form a transmission space, and the gear is arranged in the transmission space.
In one embodiment, the base includes:
a base plate;
the two vertical plates are arranged on two opposite side edges of the bottom plate; and
the isolation cover is connected with the side edge, far away from the bottom plate, of the vertical plate, and the installation space is defined by the isolation cover, the two vertical plates and the bottom plate.
In one embodiment, the vertical plate is provided with a mounting hole, the screw rod is connected with the mounting hole through a bearing, and a retainer ring is arranged on the side surface of the bearing far away from the mounting space to limit the axial movement of the bearing.
The utility model also proposes a sizing device for monitoring the internal and external diameters of a cannula, comprising:
detecting a probe; and
the distance adjusting device is the distance adjusting device of any one of the above embodiments, and the detection probe is arranged on the sliding table.
In an embodiment, the distance adjusting device includes two sets of the distance assemblies, each distance assembly includes a pair of the sliding tables, and a probe mounting plate is disposed between each sliding table and the corresponding detection probe.
The technical scheme of the utility model provides a distance adjusting device which comprises a base, at least two groups of distance components, a driving part and a transmission component. Wherein the base forms an installation space; at least two groups of distance components are connected with the base and arranged in the installation space, each distance component comprises a screw rod and at least one pair of sliding tables, the at least one pair of sliding tables is connected with the screw rod, and when the screw rod rotates, two sliding tables in each pair of sliding tables move towards or away from each other; the driving piece is connected with one of the screw rods so as to enable the screw rods to rotate; the transmission assembly is connected with the screw rod to link at least two screw rods. Through the setting, when the multiunit roll adjustment is carried out to needs, only need rotate the lead screw of one of them set of distance subassembly, make the distance between two sliding tables change, can make the lead screw in all the other distance subassemblies rotate to make the proportional change of sliding table interval between the multiunit distance subassembly, avoided the repeated calibration problem that the sliding table independent control of every group distance subassembly brought, improve work efficiency.
Drawings
In order to more clearly illustrate the embodiments or technical solutions of the present invention, the drawings used in the embodiments or technical solutions of the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an embodiment of a pitch adjusting apparatus according to the present invention;
FIG. 2 is a schematic structural diagram of another view angle of an embodiment of the distance adjusting device of the present invention;
fig. 3 is a schematic pitch adjustment diagram of another embodiment of the pitch adjustment device of the present invention.
The reference numbers indicate:
the implementation, functional features and advantages of the present invention will be further described with reference to the accompanying drawings.
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.
It should be noted that all directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
In order to achieve the purpose of multi-group constant proportion distance adjustment, the present invention provides a distance adjustment device 100, wherein the distance adjustment device 100 comprises a base 10, at least two distance assemblies, a driving member 20 and a transmission assembly 50. Wherein the base 10 forms an installation space; at least two groups of distance components are connected with the base 10 and arranged in the installation space, each distance component comprises a screw rod and at least one pair of sliding tables, the at least one pair of sliding tables is connected with the screw rod, and when the screw rod rotates, two sliding tables in each pair of sliding tables move towards or away from each other; the driving piece 20 is connected with one of the screw rods to rotate the screw rod; the transmission assembly 50 is connected with the lead screw to link at least two lead screws.
Referring to fig. 1 to 3, in an embodiment, the distance adjusting device 100 includes two sets of distance assemblies, which are the first distance assembly 30 and the second distance assembly 40, respectively. The first distance assembly 30 and the second distance assembly 40 are arranged in the installation space in parallel up and down, the first distance assembly 30 comprises a first lead screw 31 and a first sliding table 33 and a second sliding table 35 which are arranged oppositely, and the second distance assembly 40 comprises a second lead screw 41 and a third sliding table 43 and a fourth sliding table 45 which are arranged oppositely. Wherein, the first distance component 30 is positioned above the second distance component 40, and the center points of the surfaces of the first sliding table 33 and the second sliding table 35 are marked as A1、B2Center points of the surfaces of the third and fourth slide tables 43 and 45 are respectively B1、A2Referring to FIG. 3, definition A1、B2At a distance of L1，B1、A2At a distance of L2，A1And B1And A2And B2At a distance of L3And are
The driving member 20 is connected to the first lead screw 31, the first lead screw 31 rotates to drive the second lead screw 41 to rotate via the transmission assembly 50, the transmission assembly 50 has a transmission ratio n, that is, when the first lead screw 31 rotates for r turns1While the second lead screw 41 is rotated
And the first screw rod 31 rotates for 1 circle every time, A1、B2The distance of the opposite or separate movements being T1Every 1 rotation of the second screw rod 41, B1、A2The distance of the opposite or separate movements being T2。
It can be seen that when the driving member 20 drives the first lead screw 31 to rotate r1At this time L1Change amount Δ L of1Comprises the following steps:
ΔL1＝r1×T1②
L2change amount Δ L of2Comprises the following steps:
ΔL2＝r2×T2③
the formula from (i) to (iii) can be obtained:
and L is3Change amount Δ L of3Comprises the following steps:
then substituting the formula II and the formula III to obtain:
from the above, n and T are preset1、T2In the case of (1), if L1Producing a change Δ L1Under the action of the transmission assembly 50, L2Will also produce a change Δ L2，L3Producing a change Δ L3And Δ L2And Δ L3Are all equal to Δ L1In a proportional relationship. That is, at a certain n, T1、T2In case of the above, let
k1In order to be a constant value, the device is provided with a power supply,k2is also a constant value,. DELTA.L2＝k1×ΔL1，ΔL3＝k2×ΔL1. Through the setting, can understand ground, when needs carry out the multiunit roll adjustment, only need to rotate the lead screw of one of them group distance subassembly, make the distance between two relative sliding table change, can make the lead screw in all the other distance subassemblies rotate to make the proportional change of sliding table interval between the multiunit distance subassembly, avoided the slip table independent control of every group distance subassembly to bring repeated calibration problem, improve work efficiency.
Of course, in other embodiments of the present application, the two sets of distance members may be arranged horizontally or obliquely according to practical situations, without affecting the application thereof. The distance adjusting device 100 can also be provided with more than two sets of distance components, and can be provided with many pairs of sliding tables to carry out the debugging of multistage distance on the lead screw of every distance component, understandably, the multiunit distance that multiunit distance component was adjusted all can be verified through above-mentioned proof, and multiunit distance all is the proportional variation promptly, no longer does this again give unnecessary detail.
In one embodiment, the screw rod comprises a positive tooth part and a negative tooth part, the thread directions of the positive tooth part and the negative tooth part are opposite, the thread pitches of the positive tooth part and the negative tooth part are the same, the at least one pair of sliding tables comprises a positive tooth sliding table and a negative tooth sliding table, the positive tooth sliding table is arranged on the positive tooth part, the negative tooth sliding table is arranged on the negative tooth part, and when the screw rod rotates, the positive tooth sliding table and the negative tooth sliding table can move towards or away from each other. In this embodiment, the first sliding table 33 and the third sliding table 43 are orthodontic sliding tables, and the second sliding table 35 and the fourth sliding table 45 are anti-orthodontic sliding tables, so that for the convenience of calculating the proportionality coefficient, the thread pitches of the orthodontic part and the anti-orthodontic part of the first screw rod 31 and the second screw rod 41 are the same, and meanwhile, the orthodontic sliding tables and the anti-orthodontic sliding tables have better synchronism. According to the actual situation, the screw pitches of the positive tooth portion and the negative tooth portion of the screw rod may be different, taking the first screw rod 31 as an example:
let the pitch of the orthodontic part of the first lead screw 31 be T11The pitch of the reverse thread part is T12When the first screw rod 31 rotates for a number of turns r1When the first slide table 33 moves by a distance Δ a1＝r1×T11The distance moved by the second sliding table 35 is Δ B2＝r1×T12Then A is1、B2The distance of movement is L1The variation amount of (c):
ΔL1＝ΔA1+ΔB2＝r1×(T11+T12)
order to
T1＝T11+T12
Is ready to obtain
ΔL1＝r1×T1②
The same can be said that the second lead screw 41 still has the following effects under the condition that the pitches of the orthodontic part and the contra-dental part are different:
ΔL2＝r2×T2③
therefore, even if the thread pitches of the front tooth part and the back tooth part are different, the distances of the multiple groups of sliding tables can be changed proportionally.
Referring to fig. 2, the transmission assembly 50 is provided with at least two gears, one gear is correspondingly connected with one end of a screw rod, and at least two gears are arranged on the same side and are meshed with each other. In an embodiment, the distance adjusting device 100 is provided with a first distance assembly 30 and a second distance assembly 40, the driving member 20 is connected to one end of the first lead screw 31 in a gear transmission manner, the first gear 51 is arranged at one end of the first lead screw 31 away from the driving member 20, the second gear 52 is connected to the second lead screw 41 and is arranged on the same side of the first gear 51, and the gears and the lead screws are fixedly connected through locking screws. The first gear 51 and the second gear 52 are meshed with each other, the first gear 51 is a driving gear, the second gear 52 is a driven gear, and the reciprocal of the ratio of the number of teeth of the first gear 51 to the second gear 52 is a transmission ratio n.
In other embodiments of the present application, if there is a large distance between the first distance assembly 30 and the second distance assembly 40, the first gear 51 and the second gear 52 may be driven by a belt or a track, or the transmission assembly 50 may be driven by other effective transmission methods, so long as the transmission assembly 50 has a fixed transmission ratio.
In one embodiment, the transmission assembly 50 further includes a transmission cover 55, the transmission cover 55 covers the base 10 to form a transmission space, and the gear is disposed in the transmission space. The distance adjusting device 100 is commonly used in various production workshops, the transmission assembly 50 often comprises a plurality of relatively precise components, and the transmission cover 55 is arranged to prevent the transmission assembly 50 from being interfered in the production process, ensure the stable operation of the transmission assembly and prolong the service life of the equipment to a certain extent.
Referring to fig. 1 and 2, in an embodiment, the distance assembly is further provided with a guide rod 38, the guide rod 38 is arranged in the installation space in parallel with the screw rod and connected with the base 10, and the guide rod 38 passes through the sliding table. In this embodiment, the slip table has great volume or weight, sets up guide arm 38 along the lead screw direction and can provide certain support for the slip table, makes its length direction steady operation along the lead screw to further reduce the error, promote the accuracy of its two slip tables interval, guarantee that the change of multiunit slip table interval accords with preset proportion. Referring to fig. 1, in other embodiments of the present application, at least two guide rods 38 may be disposed to respectively penetrate through two ends of the sliding table, so as to further improve structural stability.
In an embodiment, the sliding table is provided with a through hole, the guide rod 38 penetrates through the through hole, and an oilless bushing 39 is arranged between the guide rod 38 and the through hole, so that the stability of connection between the guide rod 38 and the sliding table is improved, the sliding table can be suitable for various working environments, and meanwhile, the oilless bushing 39 is used, so that the volume space can be saved, and the structure weight is reduced.
Referring to fig. 1 and 2, in an embodiment, the base 10 includes a bottom plate 11, two vertical plates 13 and a shielding cover 15, the two vertical plates 13 are disposed on two opposite sides of the bottom plate 11, the shielding cover 15 connects the sides of the vertical plates 13 far away from the bottom plate 11, and the shielding cover 15, the two vertical plates 13 and the bottom plate 11 enclose an installation space. In this embodiment, the vertical plate 13 is provided with a mounting hole, the screw rod is connected to the mounting hole through a bearing 131, and a retaining ring 133 is provided on a side of the bearing 131 far away from the mounting space to limit the axial movement of the bearing 131. The vertical plate 13 is also provided with a blind hole, and the guide rod 38 is connected with the blind hole. The provision of the cage 15 prevents dust from falling into the distance assembly and provides a good working environment for it.
The utility model further provides a sizing device which is used for monitoring the inner diameter and the outer diameter of the sleeve and comprises a detection probe 101 and a distance adjusting device 100, wherein the distance adjusting device 100 is the distance adjusting device 100 of any one of the embodiments, and the detection probe 101 is arranged on the sliding table. Since the sizing device adopts all technical solutions of all the embodiments, at least all the beneficial effects brought by the technical solutions of the embodiments are achieved, and no further description is given here.
During the production process of the heat-shrinkable sleeve, the inner diameter and the outer diameter of the heat-shrinkable sleeve are measured by using a sizing device, and in one embodiment, the distance adjusting device 100 comprises two groups of distance components, and a probe mounting plate 103 is arranged between a sliding table and a detection probe 101. The four detecting probes 101 are respectively positioned at the central points of the surfaces of the sliding tables, namely A1、B2、B1、A2Coincidence of A1、B2At a distance of L1，B1、A2At a distance of L2，A1And B1And A2And B2At a distance of L3，L1I.e. the outer diameter, L, of the heat-shrinkable sleeve2I.e. the inner diameter, L, of the heat-shrinkable sleeve3Namely the wall thickness of the heat-shrinkable sleeve, when the outer diameter of the heat-shrinkable sleeve is changed, the inner diameter and the wall thickness are also changed in proportion.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all equivalent structural changes made by using the contents of the present specification and the drawings, or any other related technical fields directly/indirectly applied to the present invention are included in the scope of the present invention.
Claims (10)
1. A distance adjusting device is used for carrying out multi-group constant proportion distance adjustment and is characterized by comprising:
a base forming an installation space;
the at least two sets of distance components are connected with the base and arranged in the installation space, each distance component comprises a lead screw and at least one pair of sliding tables, the at least one pair of sliding tables are connected with the lead screw, and when the lead screw rotates, two sliding tables in each pair of sliding tables move towards or away from each other;
the driving piece is connected with at least one of the screw rods so as to enable the screw rods to rotate; and
and the transmission assembly is connected with the screw rods so as to link at least two screw rods.
2. The distance adjusting device of claim 1, wherein said screw comprises a positive thread portion and a negative thread portion, the thread directions of said positive thread portion and said negative thread portion being opposite and the thread pitches being the same;
the at least one pair of sliding tables comprises an orthodontic sliding table and an anti-orthodontic sliding table, the orthodontic sliding table is arranged on the orthodontic part, and the anti-orthodontic sliding table is arranged on the anti-orthodontic part.
3. The distance adjusting device of claim 2, wherein the distance assembly is further provided with a guide rod, the guide rod and the screw rod are arranged in the installation space in parallel and are connected with the base, and the guide rod penetrates through the sliding table.
4. The distance adjusting device of claim 3, wherein the sliding table is provided with a through hole, the guide rod penetrates through the through hole, and an oilless bushing is arranged between the guide rod and the through hole;
and/or at least two guide rods respectively penetrate through two ends of the sliding table.
5. The distance adjusting device as claimed in claim 1, wherein said transmission assembly is provided with at least two gears, one of said gears is correspondingly connected to one end of one of said lead screws, and at least two of said gears are disposed on the same side and are engaged with each other.
6. A pitch device according to claim 5, wherein the transmission assembly further comprises a transmission cover, the transmission cover covers the base to form a transmission space, and the gear is arranged in the transmission space.
7. A pitch device according to any one of claims 1 to 6, wherein said base comprises:
a base plate;
the two vertical plates are arranged on two opposite side edges of the bottom plate; and
the isolation cover is connected with the side edges, far away from the bottom plate, of the vertical plates, and the installation space is defined by the isolation cover, the two vertical plates and the bottom plate.
8. The distance adjusting device of claim 7, wherein the vertical plate is provided with a mounting hole, the screw rod is connected with the mounting hole through a bearing, and a retainer ring is arranged on the side surface of the bearing far away from the mounting space so as to limit the axial movement of the bearing.
9. A sizing device for monitoring an inner diameter and an outer diameter of a sleeve, the sizing device comprising:
detecting a probe; and
the roll adjustment device of any one of claims 1 to 8, wherein the detection probe is arranged on the sliding table.
10. The sizing device according to claim 9, wherein the distance adjusting device comprises two sets of the distance assemblies, each distance assembly comprises a pair of the sliding tables, and a probe mounting plate is arranged between each sliding table and the detection probe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123029297.9U CN217021141U (en) | 2021-12-03 | 2021-12-03 | Distance adjusting device and sizing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123029297.9U CN217021141U (en) | 2021-12-03 | 2021-12-03 | Distance adjusting device and sizing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217021141U true CN217021141U (en) | 2022-07-22 |
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ID=82441627
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123029297.9U Active CN217021141U (en) | 2021-12-03 | 2021-12-03 | Distance adjusting device and sizing device |
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| Country | Link |
|---|---|
| CN (1) | CN217021141U (en) |
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2021
- 2021-12-03 CN CN202123029297.9U patent/CN217021141U/en active Active
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