Variable-pitch adjusting mechanism for suction cup set

Abstract

The utility model provides a variable-pitch adjusting mechanism for a sucker group. The variable-pitch adjusting mechanism comprises a sliding seat; the driving mechanism is arranged in the sliding seat, the driving mechanism comprises a driving rod piece, and the driving rod piece is provided with screw rod sections with different leads; the sliding assembly and the suction cup assembly form a group of adsorption units; and the adsorption units are assembled on the screw rod sections with different leads on the driving rod piece. According to the utility model, the screw sections with different leads are arranged, and the adsorption units respectively assembled on the screw sections with different leads can advance by different distances under the action of rotation, so that the distance distribution between the moved adsorption units is more uniform, and the adsorption effect is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of suction cups, and in particular relates to a variable distance adjustment mechanism for a suction cup group. Background Art

[0002] The suction cup group is a commonly used mechanism in automated production lines. It uses negative pressure to absorb workpieces. The suction cup group generally has several suction cup components in an array. In some specific fields, a variable distance structure is required to change the position of the suction cup so that it can better meet the absorption needs of workpieces of different sizes.

[0003] In the variable-distance adjustable suction cup group in the prior art, the spacing between different adsorption components is mostly fixed during adjustment. After the adjustment, the adsorption force points will be concentrated on the two ends or the central area and cannot be evenly distributed on the workpiece surface. After the adjustment, the overall adsorption force points are unevenly distributed. Utility Model Content

[0004] The utility model provides a variable distance adjustment mechanism for a suction cup group, aiming to solve the problem that the suction force points of the current variable distance adjustment suction cup group are easily concentrated on the two ends or the central area, and the overall suction force points are unevenly distributed after adjustment.

[0005] The utility model is implemented in this way: a suction cup group variable distance adjustment mechanism, comprising:

[0006] Sliding seat;

[0007] A driving mechanism, the driving mechanism is arranged inside the sliding seat, the driving mechanism comprises a driving rod, and the driving rod is provided with screw segments with different pitches;

[0008] A sliding assembly and a suction cup assembly, wherein the sliding assembly and the suction cup assembly constitute a group of adsorption units; the adsorption units are assembled on screw segments with different pitches on the driving rod.

[0009] Preferably, the driving rod is composed of a first transmission rod and a second transmission rod, the first transmission rod and the second transmission rod extend in different directions, and the first transmission rod and the second transmission rod are both equipped with a plurality of sliding components.

[0010] Preferably, the first transmission rod comprises a rod body and a driven wheel arranged at one end of the rod body, and the rod body is provided with a first screw segment, a second screw segment and a third screw segment, and the lead of the first screw segment, the second screw segment and the third screw segment increases successively.

[0011] Preferably, the sliding seat comprises a base plate, a accommodating chamber and a sliding plate, the base plate and the sliding plate are provided with different end surfaces of the accommodating chamber, and the sliding plate accommodates a sliding opening through which the sliding assembly passes.

[0012] Preferably, the sliding plate is also provided with a limit plate assembly, and the limit plate assembly divides the accommodating chamber into a first driving area, a second driving area and a transmission area, the first driving area and the second driving area are respectively located on both sides of the transmission area, and the rod body is provided with an end of a driven wheel that passes through the limit plate assembly and extends into the transmission area, and a driving wheel is provided in the transmission area, and the driven wheel is rotatably connected to the driving wheel.

[0013] Preferably, a guide groove assembly is provided in the sliding plate, and the guide groove assembly includes a first guide groove and a second guide groove, the first guide groove is arranged in the first driving area, and the second guide groove is arranged in the second driving area;

[0014] The sliding assembly assembled on the first transmission rod slides in the first guide groove, and the sliding assembly assembled on the second transmission rod slides in the second guide groove.

[0015] Preferably, the sliding assembly comprises a main rod, a sliding seat and a rotating shaft hole arranged on the sliding seat;

[0016] One end of the main rod is connected to the suction cup assembly, and the other end is connected to the sliding seat; the sliding seat is assembled on the driving rod through a rotating shaft hole.

[0017] Compared with the prior art, the embodiments of the present application have the following beneficial effects:

[0018] The variable pitch adjustment mechanism of the suction cup group provided by the utility model is achieved by setting screw segments with different leads, and the adsorption units respectively equipped on the screw segments with different leads will advance different distances under the action of rotation, thereby achieving the purpose of variable pitch adjustment of the adsorption units, making the spacing distribution between the adsorption units more uniform and improving the adsorption effect, and the connection method between the adsorption units and the driving device is a screw structure, the driving mechanism and the adsorption unit have high structural stability, meeting the needs of structural stability of the variable pitch suction cup. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 The utility model is a structural schematic diagram of a variable distance adjustment mechanism of a suction cup group.

[0020] Figure 2 The utility model is a front structural schematic diagram of a suction cup group variable distance adjustment mechanism.

[0021] Figure 3 The utility model is a schematic diagram of the internal structure of a sliding seat of a suction cup group variable distance adjustment mechanism.

[0022] Figure 4 The utility model is a structural schematic diagram of a middle driving mechanism and a sliding seat of a suction cup group variable distance adjustment mechanism.

[0023] Figure 5 The utility model provides a driving mechanism and a suction unit structure schematic diagram of a suction cup group variable distance adjustment mechanism.

[0024] Figure 6 The utility model provides a schematic structural diagram of a sliding component and a suction cup component of a suction cup group variable distance adjustment mechanism.

[0025] Description of reference numerals:

[0026] 100, sliding seat, top plate; 110, base plate; 120, accommodating chamber; 130, sliding plate; 140, power assembly; 150, guide groove assembly; 151, first guide groove; 152, second guide groove; 160, limit plate assembly;

[0027] 210, first transmission rod; 211, driven wheel; 212, first screw rod segment; 213, second screw rod segment; 214, third screw rod segment; 220, second transmission rod; 230, driving wheel;

[0028] 300, sliding assembly; 310, main rod; 320, sliding seat; 330, rotating shaft hole; 340, fixing plate; 400, suction cup assembly. DETAILED DESCRIPTION

[0029] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by technicians in the technical field of this application; the terms used in the specification of the application herein are only for the purpose of describing specific embodiments and are not intended to limit this application; the terms "including" and "having" and any variations thereof in the specification and claims of this application and the above-mentioned drawings are intended to cover non-exclusive inclusions. The terms "first", "second", etc. in the specification and claims of this application or the above-mentioned drawings are used to distinguish different objects, not to describe a specific order.

[0030] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present application. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0031] The utility model embodiment provides a suction cup set variable distance adjustment mechanism, such as Figure 1-Figure 6 As shown, the variable distance adjustment mechanism of the suction cup group includes:

[0032] The sliding seat 100 includes a base plate 110, a receiving chamber 120 and a sliding plate 130; the sliding plate 130 is provided with a guide groove assembly 150;

[0033] A driving mechanism, the driving mechanism comprising a driving rod, the driving rod being provided with screw segments with different pitches;

[0034] The sliding assembly 300 and the suction cup assembly 400 constitute a set of adsorption units; the adsorption units are assembled on the driving rod with screw segments having different pitches.

[0035] The driving rod is composed of a first transmission rod 210 and a second transmission rod 220, and the first transmission rod 210 and the second transmission rod 220 extend in different directions; when the first transmission rod 210 is provided with a plurality of sets of screw segments with different pitches, and the second transmission rod 220 and the first transmission rod 210 are symmetrically arranged, when the first transmission rod 210 and the second transmission rod 220 are synchronously driven by the power structure, the adsorption units provided on the first transmission rod 210 and the second transmission rod 220 move away from or close to each other synchronously;

[0036] In the present application, the second transmission rod 220 and the first transmission rod 210 are symmetrically arranged. The first transmission rod 210 is used as an example for explanation. The first transmission rod 210 is provided with a first screw segment 212, a second screw segment 213 and a third screw segment 214. The first transmission rod 210 is provided with a first screw segment 212, a second screw segment 213 and a third screw segment 214 with different leads. The adsorption units respectively mounted on the first screw segment 212, the second screw segment 213 and the third screw segment 214 will advance different distances under the action of rotation, so as to achieve the purpose of variable pitch adjustment of the adsorption unit.

[0037] At the same time, the second transmission rod 220 is also provided with screw segments with different leads, and the distribution of the screw segments with different leads on the second transmission rod 220 is symmetrical with the distribution of the leads of the first screw segment 212, the second screw segment 213 and the third screw segment 214. For example, the lead of a screw segment of the second transmission rod 220 away from the first transmission rod 210 is the same as the lead of the third screw segment 214, and the lead of a screw segment of the second transmission rod 220 close to the first transmission rod 210 is the same as the lead of the first screw segment 212; when the first transmission rod 210 and the second transmission rod 220 are driven to rotate, the adsorption units distributed on different transmission rods move away from and close to each other, and the moving distances of the adsorption units located at symmetrical positions correspond one to one;

[0038] As a preferred implementation manner in this embodiment, the base plate 110 and the sliding plate 130 are respectively arranged on non-adjacent end surfaces of the accommodating bin 120, the sliding plate 130 is provided with two groups of sliding openings, the sliding assembly 300 extends from the sliding openings into the interior of the accommodating bin 120, and the sliding plate 130 is also provided with a limit plate assembly 160, and the limit plate assembly 160 is four in number, which respectively divides the interior of the accommodating bin 120 into three areas, namely, a first drive area, a second drive area and a transmission area, the first drive area and the second drive area are respectively located on both sides of the transmission area, the first transmission rod 210 is arranged in the first drive area, and the second transmission rod 220 is arranged in the second drive area, the limit plate assembly 160 is provided with a bearing structure, and the first transmission rod 210 and the second transmission rod 220 are respectively assembled in different transmission areas and a driving wheel 230 is arranged;

[0039] The guide groove assembly 150 is arranged on the sliding plate 130, and the guide groove assembly 150 includes a first guide groove 151 and a second guide groove 152, wherein the first guide groove 151 is arranged in the first driving area; the second guide groove 152 is arranged in the second driving area, and the first guide groove 151 and the second guide groove 152 serve as limiting guide rails of the sliding assembly 300, providing limiting guidance for the movement of the sliding assembly 300;

[0040] As a preferred implementation in this embodiment, a driven wheel 211 is provided at one end of the first transmission rod 210, and one end of the first transmission rod 210 provided with the driven wheel 211 extends into the transmission area, and the driven wheel 211 and the driving wheel 230 both use bevel gears to achieve transmission, and the second transmission rod 220 adopts the same transmission principle, and the driving wheel 230 drives the first transmission rod 210 and the second transmission rod 220 to rotate synchronously through the power generated by the power assembly 140 arranged outside the accommodating bin 120;

[0041] In this embodiment, the power assembly 140 is mainly composed of a motor according to the prior art, and the power output shaft of the motor extends into the interior of the storage compartment 120 and is connected to the driving wheel 230;

[0042] As a preferred implementation in this embodiment, the sliding assembly 300 includes a main rod 310, a sliding seat 320 and a rotating shaft hole 330 arranged on the sliding seat 320; a fixing plate is arranged at one end of the main rod 310 away from the sliding seat 320, and the suction cup assembly 400 is mounted on the fixing plate; a plurality of groups of suction cup assemblies 400 are arranged on the fixing plate;

[0043] One end of the main rod 310 is connected to the suction cup assembly 400, and the other end is connected to the sliding seat 320. The side wall of the sliding seat 320 is provided with a sliding groove and assembled on the guide groove assembly 150. Here, the sliding assembly 300 located on the first transmission rod 210 is taken as an example. The rotating shaft hole 330 is nested and assembled on the first transmission rod 210. The assembly method of the rotating shaft hole 330 and the first transmission rod 210 adopts the ball screw structure in the prior art, and the sliding seat 320 slides in the first guide groove 151; it should be noted that the rotating shaft hole 330 structure will adjust the corresponding pitch according to different leads, and the pitch of the rotating shaft hole 330 of the sliding seat 320 on different leads is different, and corresponding matching is required;

[0044] In this example, the lead of the first screw segment 212, the second screw segment 213 and the third screw segment 214 on the first transmission rod 210 increases in sequence, and the sliding components 300 assembled on the first screw segment 212, the second screw segment 213 and the third screw segment 214 advance different distances under the same rotation speed, thereby achieving the purpose of variable pitch adjustment between different sliding components 300;

[0045] It should be noted that, for the above-mentioned embodiments, for the sake of simplicity, they are all described as a series of action combinations, but those skilled in the art should know that the utility model is not limited by the described action sequence, because according to the utility model, some steps may be performed in other sequences or simultaneously. Secondly, those skilled in the art should also know that the embodiments described in the specification are all preferred embodiments, and the actions and modules involved are not necessarily required by the utility model.

[0046] The above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit the protection scope of the utility model. Obviously, the described embodiments are only some embodiments of the utility model, rather than all embodiments. Based on these embodiments, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model. Although the utility model has been described in detail with reference to the above embodiments, ordinary technicians in this field can still combine, add, delete or make other adjustments to the features in the various embodiments of the utility model according to the circumstances without conflict, without making creative work, so as to obtain different other technical solutions that do not deviate from the concept of the utility model in essence, and these technical solutions also belong to the scope of protection of the utility model.

Claims

1. A variable distance adjustment mechanism for a suction cup assembly, characterized in that: include: Sliding seat; A driving mechanism, the driving mechanism is arranged inside the sliding seat, the driving mechanism comprises a driving rod, and the driving rod is provided with screw segments with different pitches; A sliding assembly and a suction cup assembly, wherein the sliding assembly and the suction cup assembly constitute a group of adsorption units; the adsorption units are assembled on screw segments with different pitches on the driving rod.

2. A suction cup set variable distance adjustment mechanism as claimed in claim 1, characterized in that: The driving rod is composed of a first transmission rod and a second transmission rod. The first transmission rod and the second transmission rod extend in different directions. The first transmission rod and the second transmission rod are both equipped with a plurality of sliding components.

3. A suction cup set variable distance adjustment mechanism as claimed in claim 2, characterized in that: The first transmission rod comprises a rod body and a driven wheel arranged at one end of the rod body, the rod body is provided with a first screw segment, a second screw segment and a third screw segment, and the lead of the first screw segment, the second screw segment and the third screw segment increases successively.

4. A suction cup set variable distance adjustment mechanism as claimed in claim 3, characterized in that: The sliding seat comprises a base plate, a receiving chamber and a sliding plate, wherein the base plate and the sliding plate are provided with different end surfaces of the receiving chamber, and the sliding plate is provided with a sliding opening through which the sliding assembly passes.

5. A suction cup set variable distance adjustment mechanism as claimed in claim 4, characterized in that: The sliding plate is also provided with a limit plate assembly, which divides the accommodating bin into a first driving area, a second driving area and a transmission area. The first driving area and the second driving area are respectively located on both sides of the transmission area. One end of the rod body is provided with a driven wheel that passes through the limit plate assembly and extends into the transmission area. A driving wheel is provided in the transmission area, and the driven wheel is rotatably connected to the driving wheel.

6. A suction cup set variable distance adjustment mechanism as claimed in claim 5, characterized in that: A guide groove assembly is provided in the sliding plate, and the guide groove assembly includes a first guide groove and a second guide groove, wherein the first guide groove is arranged in a first driving area, and the second guide groove is arranged in a second driving area; The sliding assembly assembled on the first transmission rod slides in the first guide groove, and the sliding assembly assembled on the second transmission rod slides in the second guide groove.

7. A suction cup set variable distance adjustment mechanism as claimed in claim 6, characterized in that: The sliding assembly comprises a main rod, a sliding seat and a rotating shaft hole arranged on the sliding seat; One end of the main rod is connected to the suction cup assembly, and the other end is connected to the sliding seat; the sliding seat is assembled on the driving rod through a rotating shaft hole.

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