CN207983160U - Connecting rod centering body - Google Patents

Abstract

The utility model discloses a connecting rod centering mechanism, which is suitable for the centering of conveying products on an assembly line, comprising: a bottom plate arranged below the assembly line; a connecting rod mechanism rotatably connected to the top surface of the bottom plate; two stoppers The two baffle assemblies are symmetrically arranged on both sides of the assembly line and are respectively rotatably connected to the two ends of the linkage mechanism. The two baffle assemblies are slidably arranged on the bottom plate and can The bottom plate slides towards the side along the width of the line to clamp the product so that the product is centered or slides away from the side of the line to release the product; and the drive assembly is connected to one of the stoppers The plate assembly is capable of driving the baffle assembly to slide on the bottom plate, so as to drive the other baffle assembly to slide synchronously on the bottom plate through the linkage mechanism. The connecting rod centering mechanism is suitable for centering operations of products of different sizes, and has high accuracy.

Description

Link centering mechanism

technical field

The utility model relates to the technical field of assembly line equipment, in particular to a connecting rod centering mechanism used for product alignment on the assembly line.

Background technique

In the process of assembly line operation in the workshop, the assembly line has relatively high requirements for the neutrality of the conveyed products, and the purpose is to meet the requirements of subsequent processing steps, thereby ensuring the accuracy of subsequent processing steps.

In the prior art, clamping cylinders are usually arranged on both sides of the assembly line, and the centering operation of products on the assembly line is realized by pushing the clamping cylinders. However, the ordinary clamping cylinder has a short stroke, which is suitable for alignment of smaller-sized products, but it is difficult to achieve alignment of larger-sized products.

Utility model content

The purpose of the utility model is to provide a connecting rod centering mechanism, which can be applied to the centering operation of products of different sizes and has high accuracy.

For this purpose, the utility model adopts the following technical solutions:

The connecting rod centering mechanism is suitable for the centering of products conveyed on the assembly line, including:

The bottom plate is arranged under the assembly line;

a link mechanism, rotatably connected to the top surface of the bottom plate;

Two baffle assemblies, the two baffle assemblies are symmetrically arranged on both sides of the assembly line and are respectively rotatably connected to the two ends of the linkage mechanism, the two baffle assemblies are slidably arranged on the bottom plate and can Sliding toward each other on the bottom plate along the width direction of the assembly line to the side near the assembly line to clamp the product to center the product or slide against each other to the side away from the assembly line to release the product; and

The driving assembly is connected to one of the baffle assemblies and can drive the baffle assembly to slide on the bottom plate, so as to drive the other baffle assembly to slide synchronously on the bottom plate through the linkage mechanism.

Wherein, the bottom plate is provided with a chute along the width direction of the assembly line, and the drive assembly includes a drive cylinder arranged at the bottom of the bottom plate and along the length direction of the chute, and the protruding end of the drive cylinder is connected to There is a connecting arm, which is connected to the baffle assembly after passing through the chute, and the connecting arm can slide along the chute driven by the driving cylinder.

Wherein, the linkage mechanism includes a joint connecting plate and joint connecting rods rotatably connected to both ends of the joint connecting plate, the joint connecting plate is rotatably connected to the bottom plate through a rotating device, and the joint connecting rod is connected to the joint connecting rod. The baffle assembly is rotatably connected;

The two connection points between the joint connecting plate and the two joint connecting rods are respectively located on both sides of a center line passing through the center of the joint connecting plate and along the width direction of the assembly line.

Wherein, the joint connection plate is rhombus-shaped, and the rotating device is connected to the bottom center of the joint connection plate.

Wherein, the joint connecting rod includes a connecting rod and a first hinged rod and a second hinged rod connected to both ends of the connecting rod, one of the first hinged rod and the second hinged rod is rotatably connected to the The joint is connected to the plate, and the other is rotatably connected to the baffle assembly.

Wherein, the rotating device includes a connecting shaft integrally arranged at the bottom of the joint connecting plate, the bottom plate is provided with a through hole, and the bottom end of the connecting shaft extends into the through hole; The part of the outer periphery between the base plate and the joint connecting plate is provided with a sleeve, and a bearing is provided between the sleeve and the connecting shaft, and a lock nut is connected to the bottom end of the connecting shaft to limit the bearings.

Wherein, the bearings include at least two and are arranged at intervals along the axial direction of the connecting shaft, and retaining rings are arranged between two adjacent bearings.

Wherein, the bottom plate is provided with sliding structures along the width direction of the assembly line, and each baffle assembly corresponds to at least two of the sliding structures.

Wherein, each of the sliding structures includes a guide rail arranged on the bottom plate along the width direction of the assembly line, and a slider that can slide along the length direction of the guide rail is fitted on the guide rail, and the slider is connected to the The baffle assembly described above.

Wherein, the baffle assembly includes a moving plate connected with the slider, a baffle connecting block erected on the moving plate and a baffle connected to the baffle connecting block, and the baffle connecting block The side of the baffle is provided with reinforcing ribs, and the clamping surface of the baffle is arranged perpendicular to the plane where the assembly line is located.

The beneficial effects of the utility model are:

The connecting rod centering mechanism of the utility model cooperates with the connecting rod mechanism and the baffle assembly, so that the driving assembly will synchronously drive the other baffle assembly to slide towards the side near the assembly line when driving one of the baffle assemblies to slide. Clamp the product so that the product is centered or slide away from the side of the assembly line to release the product. In this way, the telescopic distance of the driving cylinder is converted into the swing distance of the connecting rod, thereby realizing the movement of the two baffle components, and then The movement stroke of the two baffle components is increased, and the size range of the products that can be clamped and centered is expanded, so that it can be applied to the centering operation of products of different sizes, and the accuracy is high.

Description of drawings

Fig. 1 is a schematic view of the front structure of the connecting rod centering mechanism of the present invention;

Fig. 2 is the front structural schematic diagram II of the connecting rod centering mechanism of the present invention;

Fig. 3 is a schematic diagram of the back structure of the connecting rod centering mechanism of the present invention;

Fig. 4 is a top structural schematic diagram of the connecting rod centering mechanism of the present invention;

Fig. 5 is a schematic cross-sectional structure diagram at A-A of the connecting rod centering mechanism in Fig. 4;

Fig. 6 is a partially enlarged schematic diagram in Fig. 5;

Fig. 7 is a schematic diagram of an exploded structure of the joint connecting rod of the present invention.

In the figure: 10-base plate; 20-link mechanism; 30-baffle assembly; 40-drive assembly;

11-chute; 12-guide rail; 13-slider;

21-joint connecting plate; 211-connecting shaft; 22-joint connecting rod; 221-connecting rod; 222-first hinged rod; 223-second hinged rod; 23-rotating device; 231-sleeve; 232-bearing; 233-lock nut; 234-retaining ring;

31-moving plate; 32-baffle plate; 33-baffle plate connection block; 34-reinforcing rib;

41-drive cylinder; 42-connecting arm.

Detailed ways

The technical scheme of the utility model will be further described below in conjunction with the accompanying drawings and through specific embodiments.

As shown in Figures 1 to 7, the connecting rod centering mechanism of the present invention is suitable for the centering of products conveyed on the assembly line, that is, the products are clamped on both sides of the assembly line so that the center of the product is located at the exact center of the assembly line. Or making the product uniformly positioned at a predetermined location can contribute to the consistency of subsequent processing, wherein the subsequent processing may include palletizing or other further processing.

The linkage centering mechanism includes a bottom plate 10 arranged below the assembly line, a link mechanism 20 rotatably connected to the top surface of the bottom plate 10, two baffle assemblies 30 slidably arranged on the bottom plate 10 and connected to one of the baffles. Assembly 30 drives assembly 40 . Wherein, the two baffle assemblies 30 are symmetrically arranged on both sides of the assembly line and are respectively rotatably connected to two ends of the link mechanism 20 . In actual operation, the driving assembly 40 can drive the baffle assembly 30 connected thereto to slide on the bottom plate 10 , so as to drive the other baffle assembly 30 to slide synchronously on the bottom plate 10 through the link mechanism 20 .

During the whole process, after the power of the driving assembly 40 is transmitted to one of the baffle assemblies 30, the baffle 30 transmits the power to the linkage mechanism 20, and the linkage mechanism 20 transmits the power to the other baffle assembly 30, Thereby utilizing two baffle assemblies 30 on the base plate 10 along the width direction of the assembly line synchronously and sliding toward each other to the side near the assembly line to clamp the product to center the product, or the two baffle assemblies 30 on the base plate 10 along the The width of the line is synchronized and slides against each other to the side away from the line to release the product. It adopts the intermediate transmission of the link mechanism, which not only uses one drive assembly to drive the two baffle assemblies 30 to move synchronously, but also increases the movement stroke of the two baffle assemblies, and expands the size range of the products that can be clamped and centered. It can be applied to the centering operation of products of different sizes with high accuracy.

The baffle plate assembly 30 of the present utility model comprises a horizontally arranged moving plate 31, a baffle plate connecting block 33 vertically arranged on the moving plate 31 and a baffle plate 32 vertically connected to the baffle plate connecting block 33, and the clamping of the baffle plate 32 The surface is set perpendicular to the plane where the assembly line is located, and is used for clamping products. Further, reinforcing ribs 34 are provided on the side of the baffle connecting block 33 for increasing the connection strength.

The bottom plate 10 is provided with a sliding structure along the width direction of the assembly line, and each sliding structure includes a guide rail 12 arranged on the bottom plate 10 along the width direction of the assembly line, and the guide rail 12 is equipped with a slider 13 that can slide along the length direction of the guide rail 12 , the moving plate 31 is connected to the slider 13 . Preferably, each baffle assembly 30 corresponds to at least two sliding structures, so as to ensure smooth sliding.

Base plate 10 of the present utility model is provided with chute 11 along the width direction of assembly line, and driving assembly 40 comprises the drive cylinder 41 that is arranged on the bottom of base plate 10 and is arranged along the length direction of chute 11, and the protruding end of drive cylinder 41 is connected with The connecting arm 42 is connected to the baffle assembly 30 after passing through the chute 11. Preferably, in this embodiment, the connecting arm 42 is fixedly connected to the moving plate 31 and can be driven along the chute under the drive of the driving cylinder 41. 11 slides for power transmission to ensure reliability.

The connecting rod mechanism 20 of the present utility model comprises a joint connecting plate 21 and a joint connecting rod 22 rotatably connected to two ends of the joint connecting plate 21. The plate assembly 30 is rotatably connected. Wherein, the joint connecting rod 22 comprises a connecting rod 221 and a first hinged rod 222 and a second hinged rod 223 connected to two ends of the connecting rod 221, one of the first hinged rod 222 and the second hinged rod 223 is rotatably connected to the joint connecting plate 21, another rotatably connected baffle assembly 30. Preferably, in this embodiment, the joint link 22 is rotatably connected to the moving plate 31 , specifically, one of the first hinged rod 222 and the second hinged rod 223 is rotatably connected to the moving plate 31 .

Preferably, the two connection points of the joint connecting plate 21 and the two joint connecting rods 22 are respectively located on both sides of the center line passing through the center of the joint connecting plate 21 and along the width direction of the assembly line. Drive the moving plate 31 of the first baffle assembly 30 to slide along the length direction of the chute 11, so that the first baffle assembly 30 connected to the connecting arm 42 pushes the first joint link 22 connected thereto, because the second A joint connecting rod 22 is rotatably connected to the moving plate 31 and the joint connecting plate 21 of the first baffle assembly 30, so that the first joint connecting rod 22 swings towards one direction, and then pushes the first joint connecting plate 21 end around the rotating device 23 and follow the first joint link 22 to swing, so that the angle between the first joint link 22 and the joint connection plate 21 becomes gradually smaller; the other end of the joint connection plate 21 rotates around It swings around the rotating device 23 in another direction opposite to the above direction, and then drives the second joint connecting rod 22 to swing, so that the angle between the joint connecting plate 21 and the second joint connecting rod 22 is also gradually reduced . As a result, the joint connecting plate 21 and the two joint connecting rods 22 are folded and contracted, so that the two baffle components are gradually approached. On the contrary, the joint connecting plate 21 and the two joint connecting rods 22 are stretched, and the two baffle components are gradually separated.

It uses the structural form of the connecting rod, and when the connecting rod mechanism is folded or extended, it uses other directions different from the width direction of the assembly line, increasing the expandable size of the connecting rod mechanism, thereby expanding the clamping between the two baffle components The size range of the product.

In this embodiment, the joint connecting plate 21 is rhombus-shaped, and the rotating device 23 is connected to the bottom center of the joint connecting plate 21 to ensure swing balance. Wherein, the rotating device 23 includes a connecting shaft 211 integrally arranged at the bottom of the joint connecting plate 21, the base plate 10 is provided with a through hole, and the bottom end of the connecting shaft 211 extends into the through hole; the connecting shaft 211 is located between the base plate 10 and the joint connecting plate 21 A sleeve 231 is provided on the outer periphery of the part in between, and a bearing 232 is provided between the sleeve 231 and the connecting shaft 211 , and a lock nut 233 is connected to the bottom end of the connecting shaft 211 to limit the bearing 232 . The rotatable connection between the connecting shaft 211 and the sleeve 231 is realized by using the bearing 232 .

In order to ensure the rotation reliability of the connecting shaft 211 and the sleeve 231 , at least two bearings 232 are arranged at intervals along the axial direction of the connecting shaft 211 , and a retaining ring 234 is arranged between two adjacent bearings 232 .

The linkage mechanism 20 of the present invention swings horizontally in a plane parallel to the plane where the bottom plate 10 is located, while the two baffle assemblies 30 move horizontally and laterally, thus ensuring that the baffle 33 clamps the product to achieve product centering.

The technical principles of the present utility model have been described above in conjunction with specific embodiments. These descriptions are only for explaining the principle of the utility model, and cannot be construed as limiting the protection scope of the utility model in any way. Based on the explanations herein, those skilled in the art can think of other specific implementations of the present utility model without creative work, and these forms will all fall within the protection scope of the present utility model.

Claims (10)

1. The connecting rod centering mechanism is suitable for the centering of products conveyed on the assembly line, and is characterized in that it includes: The bottom plate (10) is arranged under the assembly line; a link mechanism (20), rotatably connected to the top surface of the bottom plate (10); Two baffle assemblies (30), the two baffle assemblies (30) are symmetrically arranged on both sides of the assembly line and are respectively rotatably connected to the two ends of the linkage mechanism (20), the two baffle assemblies (30) Slidingly arranged on the bottom plate (10) and able to slide on the bottom plate (10) along the width direction of the assembly line to the side close to the assembly line to clamp the product so that the product is centered or slides opposite to each other. Sides away from the line to loosen product; and A drive assembly (40), connected to one of the baffle assemblies (30) and capable of driving the baffle assembly (30) to slide on the bottom plate (10), so as to drive the other through the linkage mechanism (20) One baffle assembly (30) slides synchronously on the bottom plate (10). 2. The connecting rod centering mechanism according to claim 1, characterized in that, the bottom plate (10) is provided with a chute (11) along the width direction of the assembly line, and the drive assembly (40) includes a A drive cylinder (41) is provided at the bottom of the bottom plate (10) along the length direction of the chute (11), the extension end of the drive cylinder (41) is connected with a connecting arm (42), and the connecting arm ( 42) Connect the baffle assembly (30) after passing through the chute (11), and the connecting arm (42) can move along the chute (11) under the drive of the driving cylinder (41) slide. 3. The link centering mechanism according to claim 1, characterized in that, the link mechanism (20) comprises a joint connecting plate (21) and joints rotatably connected to both ends of the joint connecting plate (21) A connecting rod (22), the joint connecting plate (21) is rotatably connected to the bottom plate (10) through a rotating device (23), and the joint connecting rod (22) and the baffle assembly (30) are rotatable connect; The two connection points between the joint connecting plate (21) and the two joint connecting rods (22) are respectively located on both sides of a center line passing through the center of the joint connecting plate (21) and along the width direction of the assembly line. 4. The connecting rod centering mechanism according to claim 3, characterized in that, the joint connecting plate (21) is diamond-shaped, and the rotating device (23) is connected to the bottom center of the joint connecting plate (21) . 5. The connecting rod centering mechanism according to claim 3, characterized in that, the joint connecting rod (22) comprises a connecting rod (221) and a first hinged rod ( 222) and the second hinged rod (223), one of the first hinged rod (222) and the second hinged rod (223) is rotatably connected to the joint connecting plate (21), and the other is rotatably connected The baffle assembly (30). 6. The connecting rod centering mechanism according to claim 3, characterized in that, the rotating device (23) includes a connecting shaft (211) integrally arranged at the bottom of the joint connecting plate (21), and the bottom plate (10) A through hole is opened, and the bottom end of the connecting shaft (211) extends into the through hole; the connecting shaft (211) is located between the bottom plate (10) and the joint connecting plate (21) A sleeve (231) is provided on the part of the outer circumference between the sleeves (231), and a bearing (232) is provided between the sleeve (231) and the connecting shaft (211), and a lock is connected to the bottom end of the connecting shaft (211). Tighten the nut (233) to restrain the bearing (232). 7. The connecting rod centering mechanism according to claim 6, characterized in that, the bearings (232) include at least two and are arranged at intervals along the axial direction of the connecting shaft (211), and two adjacent bearings A retaining ring (234) is arranged between the bearings (232). 8. The connecting rod centering mechanism according to claim 1, characterized in that, the bottom plate (10) is provided with a sliding structure along the width direction of the assembly line, and each of the baffle plate assemblies (30) corresponds to at least two of the the sliding structure. 9. The connecting rod centering mechanism according to claim 8, characterized in that, each of the sliding structures includes a guide rail (12) arranged on the bottom plate (10) along the width direction of the assembly line, and the guide rail ( 12) A slider (13) capable of sliding along the length direction of the guide rail (12) is fitted on it, and the slider (13) is connected to the baffle assembly (30). 10. The connecting rod centering mechanism according to claim 9, characterized in that, the baffle assembly (30) includes a moving plate (31) connected with the slider (13), erected on the moving plate The baffle connecting block (33) on the plate (31) and the baffle (32) connected to the baffle connecting block (33), the side of the baffle connecting block (33) is provided with reinforcing ribs (34 ), the clamping surface of the baffle (32) is set perpendicular to the plane where the assembly line is located.