Flange plate pressing mechanism

Abstract

The utility model provides a flange plate pressing mechanism, which comprises a base, a pressing plate, a pressing plate and a pressing plate, the sliding block assemblies slide in the sliding grooves, the inner abutting plates and the outer pressing plates, every two sliding block assemblies are connected with the different inner abutting plates and the different outer pressing plates respectively, and the inner abutting plates and the outer pressing plates abut against the inner wall and the outer wall of the flange plate respectively; a first adjusting rod and a second adjusting rod are arranged in the base, the first adjusting rod drives the two sets of sliding block assemblies connected to the inner abutting plate to synchronously move towards each other or away from each other, and the second adjusting rod drives the two sets of sliding block assemblies connected to the inner abutting plate to synchronously move towards each other or away from each other. The inner abutting plate and the outer pressing plate are matched to fix and clamp the inner wall and the outer wall of the flange plate. The stability of the flange plate in the drilling process is improved, machining errors are reduced, and therefore the machining precision is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of flange processing, and in particular relates to a flange pressing mechanism. Background Art

[0002] Flange is also called flange flange or flange. Flange is a part that connects shafts to each other and is used to connect pipes. Generally speaking, the flange structure needs to be customized according to the shape of the pipe, so most of them use semi-automatic equipment for the corresponding mechanical structure; during the processing, the flange needs to be pressed for processing.

[0003] In the processing of some large-sized flange end holes, the flange plate needs to be placed horizontally under the drilling rig equipment and processed by the drilling rig. In the prior art, the clamping device mostly adopts one of the inner wall abutment or outer wall clamping methods to fix the flange plate, which is easy to cause poor fixing effect. The insufficient stability of the flange plate fixing process affects the processing accuracy of the shaft hole. Utility Model Content

[0004] The utility model provides a flange clamping mechanism, which aims to solve the problem that the current fixing method of flange end face opening processing easily causes poor fixing effect, and the insufficient stability of the flange fixing process affects the processing accuracy of the shaft hole.

[0005] The utility model is implemented in this way: a flange pressing mechanism comprises:

[0006] A base, wherein a sliding groove is provided on the base;

[0007] A plurality of sets of slider assemblies, wherein the slider assemblies slide in the sliding grooves,

[0008] Inner abutment plates and outer pressure plates, wherein the slider assemblies are connected to different inner abutment plates and outer pressure plates in groups of two, and the inner abutment plates and outer pressure plates are respectively abutted against the inner wall and outer wall of the flange;

[0009] A first adjusting rod and a second adjusting rod are provided inside the base. The first adjusting rod drives two groups of slider assemblies connected to the inner supporting plate to move toward or away synchronously, and the second adjusting rod drives two groups of slider assemblies connected to the outer pressure plate to move toward or away synchronously.

[0010] Preferably, the two groups of slider assemblies connected to the outer pressure plate are respectively the first slider and the second slider, and the two groups of slider assemblies connected to the inner supporting plate are respectively the third slider and the fourth slider.

[0011] Preferably, the first adjusting rod is provided with two sets of positive and negative threaded areas, and the third slider and the fourth slider are respectively threadedly engaged with different threaded areas of the first adjusting rod. When the first adjusting rod rotates, the third slider and the fourth slider will move away from or towards each other.

[0012] Preferably, the second adjusting rod is provided with two sets of positive and negative threaded areas, and the first slider and the second slider are respectively threadedly matched with different threaded areas of the second adjusting rod, and when the second adjusting rod rotates, the first slider and the second slider will move away from or towards each other.

[0013] Preferably, two groups of accommodating cavities are provided inside the base, and a driving groove is provided between the accommodating cavities and the sliding groove to communicate with each other; the sliding block assembly extends from the sliding groove through the driving groove to the accommodating cavity.

[0014] Preferably, the threaded areas on the first adjusting rod and the second adjusting rod are staggered with each other.

[0015] Compared with the prior art, the embodiments of the present application have the following beneficial effects:

[0016] The flange clamping mechanism provided by the utility model moves away from each other through the third slider and the fourth slider under the rotation action of the first adjusting rod, and the inner supporting plate supports the inner wall of the flange during the movement; the first slider and the second slider move toward each other under the rotation action of the second adjusting rod, and the outer pressure plate supports the outer wall of the flange during the movement; the inner and outer walls of the flange are fixedly clamped in cooperation with the inner supporting plate and the outer pressure plate; the stability of the flange during the drilling process is improved, the processing error is reduced, and the processing accuracy is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 The utility model is a structural schematic diagram of a flange clamping mechanism provided by the utility model.

[0018] Figure 2 The utility model is a schematic diagram of a top plan view of a flange clamping mechanism.

[0019] Figure 3 The utility model discloses a first adjusting rod and a second adjusting rod structure schematic diagram of a flange clamping mechanism.

[0020] Figure 4 The utility model discloses a structural schematic diagram of a first adjusting rod, a second adjusting rod and a sliding block assembly in a flange pressing mechanism.

[0021] Figure 5 The utility model is a schematic diagram of the first sliding block structure of a flange clamping mechanism.

[0022] Figure 6 The utility model is a schematic diagram of the internal structure of a sliding groove of a flange clamping mechanism.

[0023] Description of reference numerals:

[0024] 100, base; 110, sliding groove; 120, driving groove; 130, guide rail; 140, accommodating cavity;

[0025] 200, slider assembly; 210, first slider; 211, connecting rod; 212, extension block; 213, guide groove; 220, second slider; 230, third slider; 240, fourth slider;

[0026] 310, inner supporting plate; 320, outer pressure plate;

[0027] 410, first adjusting rod; 420, second adjusting rod. DETAILED DESCRIPTION

[0028] 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.

[0029] 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.

[0030] The utility model embodiment provides a flange clamping mechanism, such as Figure 1-Figure 6 As shown, the flange clamping mechanism comprises:

[0031] A base 100, wherein a sliding groove 110 is provided on the base 100;

[0032] A plurality of sets of slider assemblies 200, wherein the slider assemblies 200 slide in the sliding groove 110,

[0033] An inner abutment plate 310 and an outer pressure plate 320, wherein the slider assemblies 200 are connected to the inner abutment plate 310 and the outer pressure plate 320 in groups of two, and the inner abutment plate 310 and the outer pressure plate 320 are respectively abutted against the inner wall and the outer wall of the flange;

[0034] The base 100 is provided with a first adjusting rod 410 and a second adjusting rod 420. The first adjusting rod 410 drives the two sets of slider assemblies 200 connected to the inner holding plate 310 to move toward or away from each other synchronously. The second adjusting rod 420 drives the two sets of slider assemblies 200 connected to the outer pressure plate 320 to move toward or away from each other synchronously.

[0035] In the present application, the two sets of slider assemblies 200 connected to the outer pressure plate 320 are respectively the first slider 210 and the second slider 220 , and the two sets of slider assemblies 200 connected to the inner holding plate 310 are respectively the third slider 230 and the fourth slider 240 ;

[0036] During the fixing process, the third slider 230 and the fourth slider 240 move away from each other under the rotation of the first adjusting rod 410, and the inner supporting plates 310 respectively connected to the third slider 230 and the fourth slider 240 move toward the two ends of the base 100, and the inner supporting plates 310 support the inner wall of the flange during the movement; the first slider 210 and the second slider 220 move toward each other under the rotation of the second adjusting rod 420, and the first slider 210 and the second slider 220 move away from the two ends of the base 100; the outer pressure plate 320 abuts against the outer wall of the flange during the movement; the inner and outer walls of the flange are fixedly clamped with the cooperation of the inner supporting plate 310 and the outer pressure plate 320; the stability of the flange during the drilling process is improved, the processing error is reduced, and the processing accuracy is improved;

[0037] The inner holding plate 310 and the outer pressure plate 320 are fixed to the slider assembly 200 by bolt structures, and the inner holding plate 310 and the outer pressure plate 320 of corresponding arcs can be replaced according to different processing sizes to meet the needs of clamping and fixing the inner and outer walls of the flange;

[0038] As a preferred implementation in this embodiment, the base 100 is provided with two groups of accommodating chambers 140, and the accommodating chambers 140 are separated from the sliding groove 110 by an inclined partition, and the partition is provided with a driving groove 120; the slider assembly 200 extends from the sliding groove 110 through the driving groove 120 to the accommodating chamber 140;

[0039] The first adjusting rod 410 and the second adjusting rod 420 are respectively arranged in different accommodating cavities 140, and the slider assembly 200 is assembled on the first adjusting rod 410 and the second adjusting rod 420. The first adjusting rod 410 and the second adjusting rod 420 are provided with threads. The slider assembly 200 and the first adjusting rod 410 and the second adjusting rod 420 are assembled by a screw slider technology; the slider assembly 200 is pushed to move by rotating the first adjusting rod 410 and the second adjusting rod 420;

[0040] As a preferred implementation in this embodiment, the first adjusting rod 410 and the second adjusting rod 420 are respectively provided with threaded areas. Here, taking the first adjusting rod 410 as an example, the first adjusting rod 410 is provided with two sets of positive and negative threaded areas, and the third slider 230 and the fourth slider 240 are respectively threadedly matched with different threaded areas of the first adjusting rod 410, so when the first adjusting rod 410 rotates, the third slider 230 and the fourth slider 240 will move away from or towards each other;

[0041] The ends of the third slider 230 and the fourth slider 240 away from the first adjusting rod 410 are nested on the second adjusting rod 420, and the threaded area of ​​the second adjusting rod 420 is arranged at the same position as the first adjusting rod 410. Therefore, the third slider 230 and the fourth slider 240 slide on the second adjusting rod 420 under the traction of the first adjusting rod 410, and the second adjusting rod 420 provides a limiting guiding capability;

[0042] Similarly, the first slider 210 and the second slider 220 are threadedly matched with different threaded areas on the second adjusting rod 420, and their movement principle is the same as that of the third slider 230 and the fourth slider 240. The first slider 210 and the second slider 220 are also nested in the first adjusting rod 410 at one end away from the second adjusting rod 420, and the second adjusting rod 420 only provides limiting guiding capability for the third slider 230 and the fourth slider 240.

[0043] As a preferred implementation in this embodiment, the threaded areas on the first adjusting rod 410 and the second adjusting rod 420 are staggered, and blocking rings are provided at both ends of the threaded areas to prevent the slider assembly 200 from sliding off the threaded areas during rotation;

[0044] In a further preferred embodiment of the utility model, the first slider 210 includes a connecting rod 211, an extension block 212 and a guide groove 213; the extension blocks 212 are arranged at both ends of the connecting rod 211, and screw holes are arranged on the extension blocks 212, wherein one group of extension blocks 212 is threadedly matched with the second adjustment rod 420, and the other group of extension blocks 212 slides on the first adjustment rod 410; the guide groove 213 is arranged on the connecting rod 211, and a guide rail 130 is arranged on the sliding groove 110, and the guide groove 213 slides on the guide rail 130;

[0045] In this embodiment, the first slider 210, the second slider 220, the third slider 230 and the fourth slider 240 are substantially the same, and they slide on the corresponding second adjustment rod 420 or the first adjustment rod 410, and are driven by the second adjustment rod 420 or the first adjustment rod 410, respectively.

[0046] 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.

[0047] 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 flange clamping mechanism, characterized in that: include: A base, wherein a sliding groove is provided on the base; A plurality of sets of slider assemblies, wherein the slider assemblies slide in the sliding grooves, Inner abutment plates and outer pressure plates, wherein the slider assemblies are connected to different inner abutment plates and outer pressure plates in groups of two, and the inner abutment plates and outer pressure plates are respectively abutted against the inner wall and outer wall of the flange; A first adjusting rod and a second adjusting rod are provided inside the base. The first adjusting rod drives two groups of slider assemblies connected to the inner supporting plate to move toward or away synchronously, and the second adjusting rod drives two groups of slider assemblies connected to the outer pressure plate to move toward or away synchronously.

2. A flange clamping mechanism according to claim 1, characterized in that: The two groups of slider assemblies connected to the outer pressure plate are respectively the first slider and the second slider, and the two groups of slider assemblies connected to the inner holding plate are respectively the third slider and the fourth slider.

3. A flange clamping mechanism according to claim 2, characterized in that: The first adjusting rod is provided with two sets of positive and negative threaded areas, and the third slider and the fourth slider are respectively threadedly matched with different threaded areas of the first adjusting rod. When the first adjusting rod rotates, the third slider and the fourth slider will move away from or towards each other.

4. A flange clamping mechanism as claimed in claim 3, characterized in that: The second adjusting rod is provided with two sets of positive and negative threaded areas, the first slider and the second slider are respectively threadedly matched with different threaded areas of the second adjusting rod, and when the second adjusting rod rotates, the first slider and the second slider will move away from or towards each other.

5. A flange clamping mechanism as claimed in claim 4, characterized in that: Two groups of accommodating cavities are arranged inside the base, and a driving groove is arranged between the accommodating cavities and the sliding groove to communicate with each other; the sliding block assembly extends from the sliding groove through the driving groove to the accommodating cavity.

6. A flange clamping mechanism as claimed in claim 5, characterized in that: The threaded areas on the first adjusting rod and the second adjusting rod are staggered with each other.

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