Clamping and centering device

Abstract

The utility model discloses a clamping centering device which comprises a machine frame, push plates, a connecting rod mechanism and a driving mechanism, and the push plates are symmetrically arranged on the two sides of the machine frame and connected with the machine frame in a sliding mode. The connecting rod mechanisms are symmetrically arranged on the two sides of the push plates, and one ends of the connecting rod mechanisms are hinged to the corresponding push plates. The other end of the connecting rod mechanism is hinged with the rack; the driving mechanism is arranged on the rack, is hinged to the connecting rod mechanism and is used for driving the connecting rod mechanism to drive the push plates to move oppositely; the device is simple in structure and convenient to operate; the driving mechanism drives the connecting rod mechanism so as to drive the push plate to relatively move on the rack, so that a workpiece on the push plate can be pushed to a centering position, automatic centering can be realized, the working efficiency is greatly improved, and the labor cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of clamping and centering devices, and specifically relates to a clamping and centering device. Background Technique

[0002] During the steel structure processing, it is often necessary to transport the steel structure from one working station to another. During this process, the problem of the steel component running off track often occurs. When the steel component runs off track, it cannot be directly docked with the next working station, and a large amount of energy is required to adjust the position of the steel component to make the steel component centered during transportation, which is time-consuming and laborious; although there are many centering devices in the prior art with different structures, there is currently no centering device that can match the on-site conveying equipment; in order to solve the above problems, a clamping and centering device is now proposed. Summary of the Invention

[0003] In order to solve the above problems, a clamping and centering device is now provided.

[0004] The specific solution of the utility model is: a clamping and centering device, including:

[0005] A frame;

[0006] Push plates, the push plates are symmetrically arranged on both sides of the frame and are slidably connected to the frame;

[0007] Linkage mechanisms, the linkage mechanisms are symmetrically arranged on both sides of the push plates, one end of the linkage mechanism is hinged to the corresponding push plate; the other end of the linkage mechanism is hinged to the frame;

[0008] A driving mechanism, the driving mechanism is arranged on the frame, and the driving mechanism is hinged to the linkage mechanism for driving the linkage mechanism to drive the push plates to move towards each other.

[0009] Further, the linkage mechanism includes:

[0010] Two linkage components, the two linkage components are symmetrically arranged at the front and rear ends of the corresponding push plates, and the linkage component includes: a first linkage, a second linkage, and a third linkage. One end of the first linkage is hinged to the frame, the other end is hinged to one end of the second linkage, the other end of the second linkage is hinged to one end of the third linkage, and the other end of the third linkage is hinged to the push plate;

[0011] A transverse linkage, both ends of the transverse linkage are respectively hinged to the middle parts of the second linkages at the front and rear ends.

[0012] Further, the driving mechanism includes:

[0013] A driving cylinder, the driving cylinder is arranged at the bottom of the frame;

[0014] A driving block, the driving block is fixedly connected to the piston rod of the driving cylinder;

[0015] Connecting rod: Two connecting rods are symmetrically arranged at the front end of the driving block. One end of each of the two connecting rods is hinged to the driving block, and the other end is connected to a slider. The slider is fixedly connected to the cross connecting rod, and a slide rail corresponding to the slider is provided on the frame. The slider is slidably connected to the slide rail.

[0016] Furthermore, guide posts are provided at both ends of the push plate, and guide sleeves corresponding to the guide posts are provided on the frame. The guide posts are slidably connected to the guide sleeves to control the movement direction of the push plate on the frame.

[0017] Furthermore, the middle part of the cross connecting rod is parallel to the center line of the frame, and both ends are inclined towards the center line.

[0018] Furthermore, the driving cylinder is arranged at the bottom of the frame and is threadedly connected to the frame.

[0019] Furthermore, the diameter of the guide post is φ25 to φ30 millimeters.

[0020] Furthermore, the push plate includes a bottom plate and a vertical plate. The bottom plate is parallel to the upper surface of the frame, and the vertical plate is perpendicular to the bottom plate.

[0021] The utility model has the following beneficial effects: The structure of the utility model is simple and the operation is convenient. The driving mechanism drives the link mechanism, and then drives the push plate to move relatively on the frame, so that the workpiece located thereon can be pushed to the centering position, realizing automatic centering, greatly improving the work efficiency and reducing the labor cost. Description of the Drawings

[0022] Figure 1 is a three-dimensional structural schematic diagram of the utility model;

[0023] Figure 2 is a top view schematic diagram of the utility model;

[0024] Figure 3 is a bottom view schematic diagram of the utility model;

[0025] In the figure: 1, frame; 2, push plate; 201, vertical plate; 202, bottom plate; 3, link assembly; 301, link one; 302, link two; 303, link three; 304, cross connecting rod; 4, driving mechanism; 401, driving cylinder; 402, driving block; 403, connecting rod; 404, slider; 405, slide rail; 5, guide sleeve; 6, guide post. Detailed Embodiment

[0026] Please refer to Figures 1 - 3 , a clamping and centering device, comprising:

[0027] Frame 1;

[0028] A push plate 2, the push plate 2 is symmetrically arranged on both sides of the frame 1 and is slidably connected to the frame 1;

[0029] A link mechanism, the link mechanism is symmetrically arranged on both sides of the push plate 2, one end of the link mechanism is hinged to the corresponding push plate 2; the other end of the link mechanism is hinged to the frame 1;

[0030] A driving mechanism 4, the driving mechanism 4 is arranged on the frame 1, the driving mechanism 4 is hinged to the link mechanism, and is used to drive the link mechanism to drive the push plate 2 to move towards each other.

[0031] In this embodiment, the link mechanism includes:

[0032] Two link assemblies 3, the two link assemblies 3 are symmetrically arranged at the front and rear ends of the corresponding push plate 2, the link assembly 3 includes: a first link 301, a second link 302, a third link 303, one end of the first link 301 is hinged to the frame 1, the other end is hinged to one end of the second link 302, the other end of the second link 302 is hinged to one end of the third link 303, and the other end of the third link 303 is hinged to the push plate 2;

[0033] A cross link 304, both ends of the cross link 304 are respectively hinged to the middle parts of the second links 302 at the front and rear ends. In this embodiment, the driving mechanism 4 includes:

[0034] A driving cylinder 401, the driving cylinder 401 is arranged at the bottom of the frame 1;

[0035] A driving block 402, the driving block 402 is fixedly connected to the piston rod of the driving cylinder 401;

[0036] A connecting rod 403, two connecting rods 403 are symmetrically arranged at the front end of the driving block 402, one end of the two connecting rods 403 is hinged to the driving block 402; the other end is connected with a slider 404, the slider 404 is fixedly connected to the cross link 304, and a slide rail 405 corresponding to the slider 404 is arranged on the frame 1, and the slider 404 is slidably connected to the slide rail 405.

[0037] In this embodiment, guide posts 6 are arranged at both ends of the push plate 2, guide sleeves 5 corresponding to the guide posts 6 are arranged on the frame 1, and the guide posts 6 are slidably connected to the guide sleeves 5 to control the movement direction of the push plate 2 on the frame 1.

[0038] In this embodiment, the middle part of the cross link 304 is parallel to the center line of the frame 1, and both ends are inclined towards the center line.

[0039] In this embodiment, the driving cylinder 401 is arranged at the bottom of the frame 1 and is threadedly connected to the frame 1.

[0040] In this embodiment, the diameter of the guide post 6 is φ25 to φ30 millimeters.

[0041] In this embodiment, the push plate 2 includes a bottom plate 202 and a vertical plate 201. The bottom plate 202 is parallel to the upper surface of the frame 1, and the vertical plate 201 is perpendicular to the bottom plate 202.

[0042] The utility model has the following beneficial effects: The structure of the utility model is simple and the operation is convenient; The driving mechanism 4 drives the link mechanism to drive the push plate 2 to move relative to the frame 1, so that the workpiece located thereon can be pushed to the centering position, automatic centering can be realized, the working efficiency is greatly improved, and the labor cost is reduced.

Claims

1. A clamping and centering device, characterized in that: include: frame; Push plates, which are symmetrically arranged on both sides of the frame and are slidably connected to the frame; A connecting rod mechanism, wherein the connecting rod mechanism is symmetrically arranged on both sides of the push plate, one end of the connecting rod mechanism is hinged to the corresponding push plate; and the other end of the connecting rod mechanism is hinged to the frame; The driving mechanism is arranged on the frame, and the driving mechanism is hinged with the connecting rod mechanism to drive the connecting rod mechanism to drive the push plates to move toward each other.

2. A clamping and centering device according to claim 1, characterized in that: The connecting rod mechanism comprises: Two connecting rod assemblies, the two connecting rod assemblies are symmetrically arranged at the front and rear ends of the corresponding push plates, the connecting rod assemblies include: connecting rod 1, connecting rod 2, and connecting rod 3, one end of the connecting rod 1 is hinged to the frame, and the other end is hinged to one end of the connecting rod 2, the other end of the connecting rod 2 is hinged to one end of the connecting rod 3, and the other end of the connecting rod 3 is hinged to the push plate; A transverse connecting rod, both ends of which are respectively hinged to the middle of the connecting rod 2 at the front and rear ends.

3. A clamping and centering device according to claim 2, characterized in that: The driving mechanism comprises: A driving cylinder, wherein the driving cylinder is arranged at the bottom of the frame; A driving block, the driving block is fixedly connected to the piston rod of the driving cylinder; A connecting rod, two connecting rods are symmetrically arranged at the front end of the driving block, one end of the two connecting rods is hinged to the driving block; the other end is connected with a slider, the slider is fixedly connected to the horizontal connecting rod, and a slide rail corresponding to the slider is arranged on the frame, and the slider is slidably connected to the slide rail.

4. A clamping and centering device according to claim 1, characterized in that: Guide posts are arranged at both ends of the push plate, and guide sleeves corresponding to the guide posts are arranged on the frame. The guide posts are slidably connected with the guide sleeves to control the movement direction of the push plate on the frame.

5. A clamping and centering device according to claim 2, characterized in that: The middle part of the horizontal connecting rod is parallel to the center line of the frame, and the two ends are inclined toward the center line.

6. A clamping and centering device according to claim 3, characterized in that: The driving cylinder is arranged at the bottom of the frame and is threadedly connected to the frame.

7. A clamping and centering device according to claim 4, characterized in that: The diameter of the guide column is φ25 to φ30 mm.

8. The clamping and centering device according to claim 1, characterized in that: The push plate comprises: a bottom plate and a vertical plate, the bottom plate is parallel to the upper surface of the frame, and the vertical plate is vertically arranged on the bottom plate.

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