Flexible workpiece centering mechanism
By using a flexible workpiece centering mechanism, which combines a sliding bracket and a locking cylinder, automatic centering of the workpiece on the conveying equipment is achieved. This solves the problem of workpieces being difficult to center, improves production efficiency and safety, and reduces costs.
Patent Information
- Application Number
- CN202423029854.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-09
- Publication Date
- 2025-12-09
- Estimated Expiration
- 2034-12-09
AI Technical Summary
During the production process, workpieces are not easily centered on the conveying equipment, especially when operated by newcomers, which can lead to disorder and affect the mechanized assembly of the production line. Existing technologies require multiple reference points and manual visual observation, resulting in low efficiency and workpiece damage.
A flexible workpiece centering mechanism is designed. It utilizes a sliding bracket, a locking cylinder, and a connecting rod assembly to achieve automatic workpiece centering through a guide assembly. It can adaptively adjust the workpiece to the center position within a certain range. Automatic centering can be achieved with only one set of locking cylinders, and the structure is compact and reasonable.
It enables automatic alignment of workpieces during the conveying process, reduces workpiece damage, improves production efficiency and safety, saves costs, and adapts to the installation needs of workpieces of various shapes.
Smart Images
Figure CN223645688U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to workpiece transportation technical field especially a workpiece flexible centering mechanism. BACKGROUND
[0002] When manually carrying workpieces to conveying equipment in the production process, it is not easy to center, especially for new operators, the placement may be disorderly, or when the workpieces are conveyed from other lines, the workpieces are not in the middle position, which causes certain influence on the production line mechanized assembly. Previously, multiple reference points are set on the conveying equipment, and manual visual observation is used for judgment, and after training and familiarization, the workpieces can be centered.
[0003] Therefore, we provide a workpiece flexible centering mechanism. CONTENT OF THE UTILITY MODEL
[0004] The applicant provides a workpiece flexible centering mechanism aiming at the defects in the prior art, so that the workpiece can be self-adaptively adjusted to the middle position within a certain range without being affected by the size of the workpiece, the production line is convenient to install, only one set of locking cylinders is used to realize automatic centering, the structure is compact and reasonable, cost is saved, the workpiece is less damaged, and the safe conveying and rapid assembly of the workpiece are facilitated.
[0005] The technical scheme adopted by the utility model is as follows:
[0006] A workpiece flexible centering mechanism comprises:
[0007] a base;
[0008] two sliding supports capable of sliding on the base;
[0009] a locking cylinder fixed on the base, and the telescopic end of the locking cylinder is connected with one sliding support;
[0010] a connecting rod assembly arranged on the base and connected with the two sliding supports at both ends;
[0011] wherein, the two ends of each sliding support are provided with a guide assembly for guiding the workpiece, one sliding support is driven to move by the locking cylinder, then the other sliding support is driven to move by the connecting rod assembly, and the guide assembly is driven to move to realize the centering of the workpiece, and the locking cylinder can be self-locked at any position in the stroke.
[0012] Further features are as follows:
[0013] The base is provided with a linear slide rail, the sliding support is fixed with a sliding block, and the sliding block is matched and arranged on the linear slide rail.
[0014] The connecting rod assembly comprises a horizontal plate, the bottom of the horizontal plate is provided with an axle seat fixed on the top of the base, the two ends of the horizontal plate and the two sliding supports are provided with pin shafts I, the pin shafts I are provided with connecting pieces, the connecting piece at one end of the horizontal plate is connected with the connecting piece on one sliding support through a screw rod, and the connecting piece at the other end of the horizontal plate is connected with the connecting piece on the other sliding support through another screw rod.
[0015] The top of the horizontal plate is fixed with an upper end cover, the upper end cover is provided with a bearing I, the axle seat is provided with an end cover I, and the elastic check ring is clamped in the clamping groove of the upper end cover.
[0016] The inner side of the connecting piece is provided with a shaft sleeve I, and the shaft sleeve I is a self-lubricating shaft sleeve.
[0017] The guide assembly comprises a rotating plate, the rotating plate is V-shaped, the two corners of the rotating plate are provided with pin shafts II, the pin shafts II are provided with bearings II, the bearings II are provided with guide wheels, the bottom of the rotating plate is provided with a pin shaft III, the pin shaft III is provided with a bearing III, the bearing III is provided with a flange, the flange is connected with the sliding support, and the pin shaft II is provided with an end cover II.
[0018] The guide wheel is made of polyurethane, and the damage to the workpiece is small.
[0019] The bottom of the flange is provided with a bearing IV, the flange is provided with a shaft sleeve II between the bearing III and the bearing IV, the pin shaft III passes through the inner holes of the bearing III and the bearing IV and is connected with the end cover III, and the pin shaft II is fixed with the hole shaft II on the rotating plate.
[0020] The bottom of the sliding support is provided with a stop rod and a hole shaft I, one end of the extension spring is hung in the hole of the hole shaft I, and the other end of the extension spring is hung in the hole of the hole shaft II.
[0021] The utility model discloses the following advantages:
[0022] The utility model discloses compact structure, reasonable, convenient operation, when workpiece is transported to the below of base, locking cylinder opens, connecting rod assembly counterclockwise rotates, and guide wheel contacts one corner of workpiece first, and locking cylinder gradually retracts, and connecting rod assembly clockwise rotates, and the distance between two guide wheels reduces and forces another corner of workpiece and the guide wheel of edge contact, and thus has two groups of guide wheels and workpiece contact, along with locking cylinder further retraction, four groups of guide wheels and workpiece contact, and again because the flexible rotation of rotating plate and locking cylinder retraction, eight groups of guide wheels and workpiece contact, and locking cylinder pauses movement, and workpiece is clamped and is in the central position. Can not be influenced by workpiece size, can be in a certain range self -adaptation adjustment workpiece to the middle position, convenient production line installation, and only use a set of locking cylinder can realize automatic centering, compact structure is reasonable, saves the cost, and also has little damage to workpiece, is favorable to the safe conveyance and quick assembly of workpiece.
[0023] Meanwhile, the utility model still has following advantage:
[0024] (1) the inner ring of the bearing one on the side is limited by the shaft shoulder of the shaft seat, the end cover one is arranged on the shaft seat, the end cover one can be connected with the shaft seat through screws, the inner ring of the bearing one on the other side is limited by the end cover one, the elastic retainer is clamped in the clamping groove of the upper end cover, and the outer ring of the bearing one on the other side is limited by the elastic retainer, the shaft sleeve one is arranged on the inner side of the connecting piece, the shaft sleeve one can be a self-lubricating shaft sleeve, and the bearing one and the shaft sleeve one enable each movable joint of the connecting rod assembly to rotate freely and not to be easily jammed.
[0025] (2) the shaft shoulder of the pin shaft three can limit the inner ring of the bearing three. The flange is arranged on the bearing three, the flange is connected with the sliding support, the bearing four is arranged at the bottom of the flange, the flange has a corresponding step surface, and the outer rings of adjacent surfaces of the bearing three and the bearing four can be limited. The shaft sleeve two is arranged in the flange and is arranged between the bearing three and the bearing four, and the shaft sleeve two can limit the inner rings of adjacent surfaces of the bearing three and the bearing four.
[0026] (3) the telescopic spring one is hung in the hole of the hole pin shaft one, the telescopic spring is hung in the hole of the hole pin shaft two, the telescopic spring has a certain spring force, the guide wheel on the side of the hole pin shaft two deviates from the working area and cannot clamp the workpiece, the stop rod limits the activity range of the rotating plate, the guide wheel on the side of the stop rod deviates from the working area and cannot clamp the workpiece, and the combination of the two enables the guide assembly to rotate flexibly and automatically return. BRIEF DESCRIPTION OF DRAWINGS
[0027] Figure 1 It is a structural schematic diagram of the utility model.
[0028] Figure 2 It is Figure 1 It is an enlarged schematic diagram of the middle A.
[0029] Figure 3 It is a schematic diagram of the connecting rod assembly of the utility model.
[0030] Figure 4 It is a schematic diagram of the guide assembly of the utility model.
[0031] Figure 5 It is a schematic diagram of the workpiece centering and the guide assembly after the workpiece is centered Figure 1 .
[0032] Figure 6 It is a schematic diagram of the workpiece centering and the guide assembly after the workpiece is centered Figure 2 .
[0033] Wherein: 1, base; 2, connecting rod assembly; 201, cross plate; 202, elastic check ring; 203, with shaft seat; 204, upper end cover; 205, bearing one; 206, end cover one; 207, connecting piece; 208, shaft sleeve one; 209, pin shaft one; 210, screw; 3, linear slide rail; 4, sliding support; 5, sliding block; 6, guide assembly; 601, rotating plate; 602, guide wheel; 603, bearing two; 604, end cover two; 605, pin shaft two; 606, bearing three; 607, pin shaft three; 608, flange; 609, bearing four; 610, end cover three; 611, shaft sleeve two; 612, hole pin shaft two; 7, stop lever; 8, extension spring; 9, hole pin shaft one; 10, locking cylinder; 11, workpiece. DETAILED DESCRIPTION
[0034] The specific implementation of the present application will be described below in conjunction with the accompanying drawings.
[0035] As Figures 1-6 shown, a workpiece flexible centering mechanism, comprising base 1, connecting rod assembly 2, linear slide rail 3, sliding support 4, sliding block 5 and guide assembly 6.
[0036] Connecting rod assembly 2 is installed on base 1, linear slide rail 3 is fixed on the top of base 1, linear slide rail 3 is provided with four, two linear slide rails 3 are a group, linear slide rail 3 is matched with sliding block 5, sliding block 5 is fixed on the bottom of sliding support 4, sliding block 5 can be connected with sliding support 4 through screw. Sliding block 5 can slide along linear slide rail 3, and then sliding support 4 can also slide along linear slide rail 3. Sliding support 4 is provided with two, and one sliding support 4 corresponds to two linear slide rails 3, two ends of connecting rod assembly 2 are connected with two sliding supports 4 respectively, and connecting rod assembly 2 can rotate with the movement of sliding support 4. Guide assembly 6, stop lever 7 and hole pin shaft one 9 are installed on sliding support 4, locking cylinder 10 is installed on base 1, and the extension end of locking cylinder 10 is connected with one sliding support 4.
[0037] The connecting rod assembly 2 comprises a horizontal plate 201, the top of the horizontal plate 201 is fixed with an upper end cover 204, the bottom of the horizontal plate 201 is fixed with a shaft seat 203, the shaft seat 203 is fixed on the top of the base 1, a bearing one 205 is arranged in the upper end cover 204, the outer ring of the bearing one 205 is limited by the horizontal plate 201, and the inner ring of the bearing one 205 on one side is limited by the shaft shoulder of the shaft seat 203, an end cover one 206 is arranged on the shaft seat 203, the end cover one 206 can be connected with the shaft seat 203 through screws, the inner ring of the bearing one 205 on the other side is limited by the end cover one 206, the elastic retainer ring 202 is clamped in the clamping groove of the upper end cover 204, and the elastic retainer ring 202 is used for limiting the outer ring of the bearing one 205 on the other side, a shaft sleeve one 208 is arranged on the inner side of the connecting piece 207, the shaft sleeve one 208 can be a self-lubricating shaft sleeve, the bearing one 205 and the shaft sleeve one 208 enable each movable joint of the connecting rod assembly 2 to rotate freely and not to be easily jammed. The pin shaft one 209 is fixed on the horizontal plate 201 and the sliding support 4, two pin shafts one 209 are arranged on the horizontal plate 201, and the two pin shafts one 209 are arranged at two ends of the horizontal plate 201 respectively, one pin shaft one 209 is arranged on each of the two sliding supports 4, and one connecting piece 207 is fixed on each of the pin shafts one 209, the connecting piece 207 at one end of the horizontal plate 201 is connected with the connecting piece 207 on one of the sliding supports 4 through a screw rod 210, and the connecting piece 207 at the other end of the horizontal plate 201 is connected with the connecting piece 207 on the other sliding support 4 through the other screw rod 210.
[0038] The guide assembly 6 comprises a rotating plate 601, the rotating plate 601 is V-shaped, pin shafts two 605 are arranged at two corners of the rotating plate 601, shaft sleeves two 605 are arranged on the pin shafts two 605, bearings two 603 are arranged on the shaft sleeves two 605, guide wheels 602 are arranged on the bearings two 603, the material of the guide wheels 602 can be polyurethane, and the damage to the workpiece 11 is small. The shaft shoulder of the pin shaft two 605 limits the inner ring of the bearing two 603. The pin shaft three 607 is fixed on the bottom of the rotating plate 601, the pin shaft three 607 can be connected with the rotating plate 601 through screws, the bearing three 606 is arranged on the pin shaft three 607, and the shaft shoulder of the pin shaft three 607 can limit the inner ring of the bearing three 606. The flange 608 is arranged on the bearing three 606, the flange 608 is connected with the sliding support 4, the bearing four 609 is arranged on the bottom of the flange 608, the flange 608 has a corresponding stepped surface, and the flange 608 can limit the outer rings of adjacent surfaces of the bearing three 606 and the bearing four 609. The shaft sleeve two 611 is arranged in the flange 608 and between the bearing three 606 and the bearing four 609, the shaft sleeve two 611 can limit the inner rings of adjacent surfaces of the bearing three 606 and the bearing four 609, the pin shaft three 607 penetrates the inner holes of the bearing three 606 and the bearing four 609, the pin shaft three 607 is connected with the end cover three 610, and the end cover three 610 can limit the inner ring of the other side of the bearing four 609. The rotating plate 601 is fixed with a hole pin shaft two 612. The end cover two 604 is fixed on the pin shaft two 605 and limits the inner ring of the bearing two 603.
[0039] Bearing two 603 makes the guide wheel 602 flexible rotation around the pin shaft two 605, bearing three 606 and bearing four 609 make the pin shaft three 607 flexible rotation around the flange 608, because of the use of multiple bearings, the movement of each joint in the guide assembly 6 is smooth, free rotation and no jamming.
[0040] The telescopic spring 8 is hung in the hole of the hole pin shaft one 9 at one end, and is hung in the hole of the hole pin shaft two 612 at the other end, the telescopic spring 8 has a certain spring force, which prevents the guide wheel 602 on the hole pin shaft two 612 side from deviating from the work area and cannot clamp the workpiece 11, the stop rod 7 limits the activity range of the rotating plate 601, which prevents the guide wheel 602 on the stop rod 7 side from deviating from the work area and cannot clamp the workpiece 11, and the combination of the two makes the guide assembly 6 flexible rotation and automatic return. When the workpiece 11 is conveyed to the lower part of the base 1, the locking cylinder 10 is opened, the connecting rod assembly 2 rotates counterclockwise, the guide wheel 602 first contacts one corner of the workpiece 11, the locking cylinder 10 gradually retracts, the connecting rod assembly 2 rotates clockwise, the distance between the two guide wheels 602 is reduced, forcing the other corner of the workpiece 11 to contact the guide wheel 602 on the edge, at this time, two groups of guide wheels 602 contact the workpiece 11, with the further retraction of the locking cylinder 10, four groups of guide wheels 602 contact the workpiece 11, and because of the flexible rotation of the rotating plate 601 and the retraction of the locking cylinder 10 again, eight groups of guide wheels 602 contact the workpiece 11, the locking cylinder 10 is paused, the workpiece 11 is clamped and is in the central position. Because the locking cylinder 10 has a self-locking function, it can pause at any position at the beginning and at the end of the stroke, and can keep the locking state, so that the workpiece flexible centering mechanism can adapt to workpieces 11 of various shapes, such as Figure 5 、 Figure 6 as shown.
[0041] It can adapt to the adjustment of the workpiece 11 to the middle position within a certain range without being affected by the size of the workpiece 11, is convenient for line installation, and can realize automatic centering only by using a set of locking cylinder 10, has compact and reasonable structure, saves cost, and has small damage to the workpiece 11, which is beneficial to the safe conveying and rapid assembly of the workpiece 11.
[0042] The above description is an explanation of the utility model, not a limitation of the utility model, the scope defined by the utility model is referred to the claims, within the protection scope of the utility model, any form of modification can be made.
Claims
1. A workpiece flexible centering mechanism, comprising: The utility model relates to a workpiece centering device, including: Base (1); Two sliding supports (4) can slide on the base (1); Locking cylinder (10) is fixed on the base (1), and the telescopic end of the locking cylinder (10) is connected with one sliding support (4), and the locking cylinder (10) can be self-locked at any position in the stroke; Connecting rod assembly (2) is arranged on the base (1), and the two ends of the connecting rod assembly (2) are connected with the two sliding supports (4) respectively; Wherein, the two ends of each sliding support (4) are provided with a guide assembly (6) for guiding the workpiece (11), one sliding support (4) is driven to move by the locking cylinder (10), then the other sliding support (4) is driven to move by the connecting rod assembly (2), and the guide assembly (6) is driven to move to realize the centering of the workpiece (11).
2. A workpiece flexible centering mechanism as claimed in claim 1, wherein: The base (1) is provided with a linear slide rail (3), and the sliding support (4) is fixed with a sliding block (5) at the bottom, and the sliding block (5) is matched and arranged on the linear slide rail (3).
3. A workpiece flexible centering mechanism as claimed in claim 1, wherein: The connecting rod assembly (2) includes a cross plate (201), the cross plate (201) is provided with an axle seat (203) at the bottom, the axle seat (203) is fixed on the top of the base (1), the two ends of the cross plate (201) and the two sliding supports (4) are provided with pin shafts (209), the pin shafts (209) are provided with connecting pieces (207), the connecting piece (207) at one end of the cross plate (201) is connected with the connecting piece (207) on one sliding support (4) through a screw rod (210), and the connecting piece (207) at the other end of the cross plate (201) is connected with the connecting piece (207) on the other sliding support (4) through another screw rod (210).
4. A workpiece flexible centering mechanism as claimed in claim 3, wherein: The top of the cross plate (201) is fixed with an upper end cover (204), the upper end cover (204) is provided with a bearing (205) in the inside, the axle seat (203) is provided with an end cover (206), and the elastic baffle (202) is clamped in the clamping groove of the upper end cover (204).
5. A workpiece flexible centering mechanism as claimed in claim 3, wherein: The inner side of the connecting piece (207) is provided with a shaft sleeve (208), and the shaft sleeve (208) is a self-lubricating shaft sleeve.
6. A workpiece flexible centering mechanism as claimed in claim 1, wherein: The guide assembly (6) includes a rotating plate (601), the rotating plate (601) is V-shaped, the two corners of the rotating plate (601) are provided with pin shafts (605), the pin shafts (605) are provided with bearing (603), the bearing (603) is provided with a guide wheel (602), the bottom of the rotating plate (601) is provided with a pin shaft (607), the pin shaft (607) is provided with a bearing (606), the bearing (606) is provided with a flange (608), the flange (608) is connected with the sliding support (4), and the pin shaft (605) is provided with an end cover (604).
7. A workpiece flexible centering mechanism as claimed in claim 6, wherein: The material of the guide wheel (602) is polyurethane, and the damage to the workpiece (11) is small.
8. A workpiece flexible centering mechanism as claimed in claim 6, wherein: The bottom of the flange (608) is provided with bearing four (609), the flange (608) bearing three (606) and bearing four (609) are provided with shaft sleeve two (611), the pin shaft three (607) passes through the inner hole of bearing three (606) and bearing four (609) and is connected with end cover three (610), the rotating plate (601) is fixed with the hole pin shaft two (612).
9. A workpiece flexible centering mechanism as claimed in claim 8, wherein: The bottom of the sliding support (4) is provided with a stop rod (7) and a hole pin shaft one (9), one end of the telescopic spring (8) is hung in the hole of the hole pin shaft one (9), and the other end of the telescopic spring (8) is hung in the hole of the hole pin shaft two (612).