Flexible adjusting mechanism

Abstract

A flexible adjusting mechanism comprises a lead screw and a sliding block assembly matched with the lead screw, the lead screw is arranged in a connecting pipe, the sliding block assembly comprises a metal body arranged outside the connecting pipe in a sleeving mode, plastic sleeves arranged at the two ends of the metal body and a nut arranged in the metal body, the plastic sleeves are in sliding fit with the connecting pipe, and the nut is in threaded connection with the lead screw. According to the principle, the metal body serves as a carrier, the plastic sleeves are installed at the two ends, the nut is installed in the middle, the nut is in threaded connection with the lead screw, the lead screw rotates to drive the nut and the metal body to move linearly, the metal body does not make contact with the connecting pipe, the plastic sleeves make contact with the connecting pipe in a sliding fit mode, sliding friction is smaller, and adjustment is easier; the lead screw is arranged in the connecting pipe which serves as a guide part of the sliding block assembly, and the size is smaller after the lead screw and the connecting pipe are combined. The lead screw, the connecting pipe and the sliding block assembly are integrated, and overall installation is more convenient; the metal body serves as a carrier and can be used for installing the side blocking component.

Description

Technical Field

[0001] The utility model relates to the technical field of screw rods and nuts, in particular to a flexible adjustment mechanism. Background Art

[0002] In existing automated production, a left-right spiral mechanism is often used for spiral transmission. The threads at both ends are left-handed and right-handed respectively. The objects at both ends are equidistantly moved toward or away from the center by the rotation of the screw. In the existing left-right spiral mechanism, in addition to the screw and nut, a guide rod is also required, so the overall volume is relatively large; in addition, for the gap adjustment mechanism of the packaging equipment, since it needs to adapt to different types of bottles, the side block components on the slider need to be frequently replaced. The side block components on the slider of the current left-right spiral mechanism are relatively troublesome to replace. Summary of the invention

[0003] The technical problem to be solved by the utility model is to provide a flexible adjustment mechanism, the resistance of the slider assembly is small, and the adjustment is easier; the overall volume is small, and the overall installation is convenient.

[0004] In order to solve the above technical problems, the technical solution of the utility model is: a flexible adjustment mechanism, including a screw and a slider assembly matched with the screw, the screw is arranged in a connecting tube, the slider assembly includes a metal body sleeved outside the connecting tube, plastic sleeves arranged at both ends of the metal body and a nut arranged in the metal body, the plastic sleeve is slidably matched with the connecting tube, and the nut is threadedly connected with the screw. The principle of the utility model: the metal body is used as a carrier, plastic sleeves are installed at both ends, and a nut is installed in the middle. The nut is threadedly connected with the screw, and the nut and the metal body are driven to move linearly by the rotation of the screw, the metal body does not contact the connecting tube, and the plastic sleeve is in contact and slidably matched with the connecting tube, the sliding friction is smaller, and the adjustment is easier; the screw is arranged in the connecting tube, and the connecting tube is used as a guide component of the slider assembly, and the two are smaller in size after being combined; the screw, the connecting tube and the slider assembly are integrated, and the overall installation is more convenient; the metal body is used as a carrier for the installation of the side block component.

[0005] As an improvement, the screw rod includes a first thread segment and a second thread segment, the first thread segment cooperates with the first slider assembly, and the second thread segment cooperates with the second slider assembly.

[0006] As an improvement, the thread directions of the first thread segment and the second thread segment are the same or opposite.

[0007] As an improvement, the metal body is an aluminum profile.

[0008] As an improvement, the metal body is provided with a through groove running through both ends, the through groove includes a receiving groove located in the middle and a limiting groove provided on one side of the metal body, the limiting groove is connected to the receiving groove, the nut is provided in the receiving groove, a limiting block is provided on the nut, and the limiting block is provided in the limiting groove.

[0009] As an improvement, a connecting plate is provided on one side of the metal body corresponding to the limiting groove, the connecting plate is connected to the metal body by bolts, and the connecting plate is connected to the limiting block by bolts.

[0010] As an improvement, the plastic sleeve is connected to the metal body via bolts.

[0011] As an improvement, mounting components are provided at both ends of the connecting pipe, and the mounting components include a mounting plate, a bearing arranged in the mounting plate and a pipe mouth fixing seat fixed on one side of the mounting plate, one end of the pipe mouth fixing seat is inserted into the connecting pipe, and the end of the screw rod passes through the pipe mouth fixing seat and the bearing in sequence.

[0012] As an improvement, one end of the screw rod is connected to a hand wheel.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] The metal body serves as a carrier, with plastic sleeves installed at both ends and a nut installed in the middle. The nut is threadedly connected to the lead screw, and the nut and the metal body are driven to move linearly by rotating the lead screw. The metal body does not contact the connecting pipe, and the plastic sleeve contacts and slides with the connecting pipe, so the sliding friction is smaller and the adjustment is easier. The lead screw is arranged in the connecting pipe, and the connecting pipe serves as a guide component of the slider assembly. The combination of the two has a smaller volume. The lead screw, the connecting pipe and the slider assembly are integrated, and the overall installation is more convenient. The metal body serves as a carrier and can be used for the installation of side block components. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a side schematic diagram of the utility model.

[0016] Figure 2 It is a top view of the utility model.

[0017] Figure 3 A top view of the slider assembly.

[0018] Figure 4 This is a cross-sectional view of the slider assembly. Implementation

[0019] The utility model will be further described below in conjunction with the accompanying drawings.

[0020] like Figure 1 , 2As shown, a flexible adjustment mechanism includes a screw rod 1, a connecting tube 2 and a slider assembly 3 matched with the screw rod 1. The screw rod 1 is arranged in the connecting tube 2, and the connecting tube 2 is a square tube. Both ends of the screw rod 1 extend out of the connecting tube 2. One end of the screw rod 1 is connected to a hand wheel 5, and the screw rod 1 is driven to rotate by the hand wheel 5. Both ends of the connecting tube 2 are provided with a mounting assembly 4, and the mounting assembly 4 includes a mounting plate, a bearing arranged in the mounting plate, and a pipe nozzle fixing seat fixed on one side of the mounting plate. One end of the pipe nozzle fixing seat is inserted into the connecting tube 2, and the end of the screw rod 1 passes through the pipe nozzle fixing seat and the bearing in sequence. The screw rod 1 includes a first threaded segment 11 and a second threaded segment 12. A bearing seat 6 is provided between the first threaded segment 11 and the second threaded segment 12 in the connecting tube 2. The screw rod 1 passes through the bearing seat 6 to increase the stability of the screw rod 1. The first threaded segment 11 cooperates with the first slider assembly, and the second threaded segment 12 cooperates with the second slider assembly. The thread directions of the first threaded segment 11 and the second threaded segment 12 are the same or opposite. By rotating the screw rod 1, the two slider assemblies 3 can be moved closer to or away from each other.

[0021] like Figure 3 , 4 As shown, the slider assembly 3 includes a metal body 31 sleeved on the outside of the connecting pipe 2, a plastic sleeve 32 provided at both ends of the metal body 31, and a nut 34 provided in the metal body 31 and threadedly connected to the screw rod 1. The metal body 31 is in the shape of a Chinese character "Yu", and a through groove penetrating both ends is provided in the metal body 31, and the through groove includes a receiving groove located in the middle and a limiting groove provided on one side of the metal body 31, and the limiting groove is connected with the receiving groove, and the nut 34 can be put into the receiving groove from one end of the metal body 31, and a limiting block 35 is provided on the nut 34, and the limiting block 35 is provided in the limiting groove, and the nut 34 is rotated through the limiting groove, and when the screw rod 1 is rotated, it can be converted into a linear motion of the metal body 31; the metal body 31 of this embodiment is an aluminum alloy profile, and a plurality of mounting grooves are provided on the surface of the metal body 31. A connecting plate 33 is provided at one side of the metal body 31 at a position corresponding to the limit groove. The connecting plate 33 is connected to the metal body 31 by bolts. The connecting plate 33 is connected to the limit block 35 by bolts. The side stopper can be installed on the connecting plate 33. The position of the side stopper can be changed by adjusting the position of the slider assembly 3. The plastic sleeve 32 is connected to the metal body 31 by bolts. The plastic sleeve 32 is in a U-shape. The plastic sleeve 32 is sleeved outside the connecting pipe 2. The plastic sleeve 32 and the connecting pipe 2 are slidably matched. When the plastic sleeve 32 is worn, it is convenient to replace.

[0022] Principle of the utility model: metal body 31 is used as a carrier, plastic sleeves 32 are installed at both ends, and a nut 34 is installed in the middle. The nut 34 is threadedly connected to the screw rod 1, and the screw rod 1 is rotated to drive the nut 34 and the metal body 31 to move linearly. The metal body 31 does not contact the connecting pipe 2, and the plastic sleeve 32 is in contact and sliding cooperation with the connecting pipe 2, so the sliding friction is smaller and the adjustment is easier; the screw rod 1 is arranged in the connecting pipe 2, and the connecting pipe 2 is used as a guide component of the slider assembly, and the two are smaller in size after being combined; the screw rod 1, the connecting pipe 2 and the slider assembly are integrated, and the overall installation is more convenient; the metal body 31 is used as a carrier, and the side block component can be installed.

Claims

1. A flexible adjustment mechanism, comprising a screw rod and a slider assembly cooperating with the screw rod, characterized in that: The screw rod is arranged in the connecting pipe, and the slider assembly includes a metal body sleeved outside the connecting pipe, plastic sleeves arranged at both ends of the metal body and a nut arranged in the metal body. The plastic sleeve is slidably matched with the connecting pipe, and the nut is threadedly connected with the screw rod.

2. A flexible adjustment mechanism according to claim 1, characterized in that: The screw rod comprises a first thread segment and a second thread segment, the first thread segment cooperates with the first slider assembly, and the second thread segment cooperates with the second slider assembly.

3. A flexible adjustment mechanism according to claim 2, characterized in that: The thread directions of the first thread segment and the second thread segment are the same or opposite.

4. A flexible adjustment mechanism according to claim 1, characterized in that: The metal body is an aluminum profile.

5. A flexible adjustment mechanism according to claim 1, characterized in that: The metal body is provided with a through groove running through both ends, the through groove includes a receiving groove in the middle and a limiting groove provided on one side of the metal body, the limiting groove is connected with the receiving groove, the nut is provided in the receiving groove, a limiting block is provided on the nut, and the limiting block is provided in the limiting groove.

6. A flexible adjustment mechanism according to claim 5, characterized in that: A connecting plate is provided at one side of the metal body corresponding to the limiting groove, the connecting plate is connected to the metal body by bolts, and the connecting plate is connected to the limiting block by bolts.

7. A flexible adjustment mechanism according to claim 1, characterized in that: The plastic sleeve is connected to the metal body via bolts.

8. A flexible adjustment mechanism according to claim 1, characterized in that: Both ends of the connecting pipe are provided with mounting components, which include a mounting plate, a bearing arranged in the mounting plate and a pipe mouth fixing seat fixed on one side of the mounting plate. One end of the pipe mouth fixing seat is inserted into the connecting pipe, and the end of the screw rod passes through the pipe mouth fixing seat and the bearing in sequence.

9. A flexible adjustment mechanism according to claim 1, characterized in that: One end of the screw rod is connected with a hand wheel.

Images