Line product positioning fixture

By integrating the adjustment mechanism and the clamping mechanism, the problems of inconvenient position adjustment and unstable clamping of product positioning fixtures on the production line are solved, realizing automated, stable and reliable clamping of the fixtures, and meeting the needs of flexible production and efficient automation.

CN224674732UActive Publication Date: 2026-08-25WUXI HAOKANG MASCH TECH CO LTD
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Patent Information

Application Number
CN202522429313.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-11-17
Publication Date
2026-08-25
Estimated Expiration
2035-11-17

AI Technical Summary

Technical Problem

Existing production line product positioning fixtures suffer from problems such as inconvenient position adjustment, low integration of adjustment and clamping functions, low degree of automation, and unstable clamping force, making it difficult to meet the needs of flexible production and high-efficiency automation.

Method used

The design adopts an integrated adjustment mechanism and clamping mechanism. The overall manual translation adjustment of the fixture is achieved by using the slider rail and the limit post limit groove. Automatic clamping is achieved by combining the cylinder-driven linkage assembly. The linear motion of the cylinder is converted into the clamping motion of the clamping plate, realizing fast and stable clamping action.

Benefits of technology

It enables convenient and flexible adjustment of the overall position of the fixture, automated and stable clamping, improves production efficiency and positioning accuracy, and meets the needs of flexible production and high-cycle automation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a production line product positioning fixture belongs to production line device technical field, including fixed plate, adjusting mechanism and cylinder, fixed plate installs on the fixed frame of adjusting mechanism, and the fixed frame of adjusting mechanism is through the sliding block on the sliding on the sliding rail, and through the limit post and the limit slot on the sliding rod one cooperation realizes position locking, and the cylinder axle drive connecting plate, and connecting plate drives rotating column no.
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Description

Technical Field

[0001] This utility model relates to the field of production line equipment technology, and in particular to a production line product positioning fixture. Background Technology

[0002] In modern industrial production lines, in order to achieve subsequent processing, assembly, or inspection, products or workpieces must be precisely and stably positioned and fixed when they arrive at a specific workstation. Fixtures are key equipment for achieving this function, and the performance of product positioning fixtures on the production line directly affects the degree of automation, production efficiency, and product quality of the entire production line.

[0003] In practical applications, existing positioning fixtures have many shortcomings. First, many production lines need to have flexible production capabilities, that is, be able to quickly switch to produce products of different models or specifications. This requires that the installation position of the fixture can be easily adjusted. However, traditional fixtures are directly fixed to the worktable or frame with bolts, and the position is fixed. When it is necessary to change production tasks or adjust work positions, workers must spend a lot of time loosening the bolts, realigning, and tightening the entire fixture again. This process is not only inefficient and labor-intensive, but also makes it difficult to guarantee the positional accuracy after each adjustment.

[0004] In terms of clamping action, many fixtures still rely on manual operation, such as using screws, eccentric wheels or levers for locking. This manual clamping method is not only slow and cannot meet the high cycle time requirements of automated production lines, but more seriously, the stability of the clamping force depends entirely on the experience and physical strength of the operator, which can lead to inconsistent clamping force. Excessive clamping force may damage the workpiece, while insufficient clamping force cannot guarantee the stability of the workpiece during processing or handling, resulting in positioning failure or scrap.

[0005] Therefore, this utility model proposes a product positioning fixture for production lines to address the shortcomings of existing technologies. Utility Model Content

[0006] In view of the problems existing in the production line product positioning fixture, such as inconvenience in overall position adjustment, low integration of adjustment and clamping functions, low degree of automation or single function, this utility model aims to provide a production line product positioning fixture with an improved structure that can effectively solve the above problems.

[0007] This utility model provides a product positioning fixture for a production line, including: a fixing plate, an adjusting mechanism, a cylinder, and a clamping plate.

[0008] The fixed plate is mounted on the fixed frame of the adjustment mechanism. The cylinder is connected to a cylinder shaft, which is connected to a connecting plate. The connecting plate is used to drive the first rotating column on the fixed plate to rotate. The first rotating column drives the second rotating column to rotate through the rotating plate. The second rotating column drives the connecting leg plate. The connecting leg plate rotates within the slide rod and drives the clamping plate to clamp and position.

[0009] The adjustment mechanism also includes a fixed base plate, on which a slide rail is provided. The fixed frame is slidably engaged with the slide rail via a slider. A slide rod is provided on the fixed frame, and a limiting groove is provided on the slide rod. The limiting groove engages with a limiting post. The adjustment mechanism also includes a baffle, which is used to fix the slide rod and limit the position of the fixed base plate.

[0010] Preferably, the rotating plate is a plate-shaped transmission component that connects the first rotating column and the second rotating column.

[0011] Preferably, the slide bar 2 has a guide groove inside for the connecting leg plate to rotate and slide.

[0012] Preferably, one end of the connecting leg plate is connected to the rotating column 2, and the other end is connected to the clamping plate.

[0013] Preferably, the limiting post is rotatably mounted on the fixed frame, and the limiting post can selectively engage with the limiting groove after rotation.

[0014] Preferably, the connecting plate converts the vertical reciprocating motion of the cylinder shaft into the rotational motion of the rotating column.

[0015] Preferably, the fixing plate is an integrated carrier platform that supports the cylinder, the first rotating column, the second rotating column, and the second sliding rod.

[0016] Preferably, the slider is slidably connected to the slide rail to guide the fixed frame to move linearly in one direction along the fixed base plate.

[0017] Preferably, the central axes of the first rotating column and the second rotating column are arranged parallel to each other.

[0018] This utility model has the following beneficial effects: 1. This utility model integrates the adjustment mechanism and the clamping mechanism. The adjustment mechanism uses the cooperation of the slider rail and the limiting post limiting groove to realize the manual translation adjustment and locking of the entire fixture. The clamping mechanism uses the cylinder to drive the linkage group to realize automatic clamping. This solves the problems of existing fixtures having single function, separation of adjustment and clamping, low integration, difficulty in adjustment, and low production efficiency. It has high integration, convenient and flexible overall position adjustment, and automated, stable and reliable clamping.

[0019] 2. This utility model, by setting up a clamping mechanism, utilizes the linear motion of the cylinder and, through a linkage transmission system consisting of a connecting plate, a rotating column one, a rotating plate, and a rotating column two, converts the linear motion into the clamping motion of the clamping plate. This solves the problems of some existing clamping structures being complex, having long transmission chains, or being unstable in clamping. The structure is simple and compact, the transmission is reliable, the clamping response speed is fast, and the product positioning is accurate and stable. Attached Figure Description

[0020] Figure 1 This is a front perspective view of the production line product positioning fixture proposed in this utility model; Figure 2 This is a partial structural exploded view of the slide bar 2 of the production line product positioning fixture proposed in this utility model; Figure 3 This is a partial structural exploded view of the rotating column 2 of the production line product positioning fixture proposed in this utility model; Figure 4 This is a partial structural exploded view of the slide bar of the production line product positioning fixture proposed in this utility model.

[0021] Legend: 1. Fixed plate; 2. Adjustment mechanism; 201. Fixed frame; 202. Fixed base plate; 203. Slide rail; 204. Slider; 205. Baffle; 206. Slide rod one; 207. Limiting groove; 208. Limiting post; 3. Cylinder; 4. Cylinder shaft; 5. Connecting plate; 6. Slide rod two; 7. Rotating post one; 8. Rotating plate; 9. Connecting leg plate; 10. Rotating post two; 11. Clamping plate. Detailed Implementation

[0022] To make the objectives, technical solutions, and advantages of this utility model clearer, the technical solutions in the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the protection scope of this utility model. Example

[0023] Please refer to Figures 1 to 4This utility model embodiment provides a production line product positioning fixture, including a fixed plate 1 as a carrier of the clamping execution mechanism, an adjustment mechanism 2 for realizing overall position adjustment, a cylinder 3 as a power source for clamping action, a cylinder shaft 4 that outputs power in conjunction with the cylinder 3, a connecting plate 5 for transmitting the movement of the cylinder shaft 4, a second slide rod 6 for guiding and supporting, a first rotating column 7 for converting linear motion into rotational motion, a rotating plate 8 for transmitting rotational motion, a connecting leg plate 9 for bearing and transmission, a second rotating column 10 that will be driven to rotate, and a clamping plate 11 for finally performing the clamping action.

[0024] The fixing plate 1 is installed on the fixing frame 201 of the adjusting mechanism 2. The adjusting mechanism 2 includes the fixing frame 201, the fixing base plate 202, the slide rail 203, the slider 204, the baffle 205, the first slide rod 206, the limiting groove 207 and the limiting post 208. The fixing plate 1 is an integrated carrier platform that supports the cylinder 3, the first rotating post 7, the second rotating post 10 and the second slide rod 6, providing the installation base for various components related to the clamping action. The adjusting mechanism 2 is used to support the entire clamping mechanism.

[0025] Please refer to Figure 1 , Figure 2 and Figure 3 Cylinder 3 is bolted to fixed plate 1. The end of cylinder shaft 4 of cylinder 3 is rotatably connected to connecting plate 5. Connecting plate 5 reciprocates linearly up and down under the drive of cylinder shaft 4. The other end of connecting plate 5 is rotatably connected to rotating column 7, thereby converting the linear motion of cylinder shaft 4 into the rotational motion of rotating column 7. The body of rotating column 7 is inserted through and rotatably mounted on fixed plate 1. Rotating plate 8 is fixedly connected to the other end of rotating column 7. Rotating plate 8 serves as a plate-shaped transmission component connecting rotating column 7 and rotating column 10, accurately transmitting the rotation of rotating column 7 to rotating column 10. The central axis of rotating column 10 is parallel to the central axis of rotating column 7. The spindle axes are arranged parallel to each other. The rotating column 2 10 passes through and is rotatably mounted on the fixed plate 1 and is fixedly connected to the rotating plate 8. The other end of the rotating column 2 10 is fixedly connected to the connecting leg plate 9. One end of the connecting leg plate 9 is connected to the rotating column 2 10, and the other end is connected to the clamping plate 11. When the rotating column 2 10 rotates, the connecting leg plate 9 swings accordingly. The slide rod 2 6 has a guide groove inside for the connecting leg plate 9 to rotate and slide. The connecting leg plate 9 rotates and slides in the guide groove of the slide rod 2 6, thereby driving the clamping plate 11 to achieve the clamping or releasing action of the product. This pneumatic linkage transmission structure ensures the rapid response of the clamping action and the stability of the positioning.

[0026] In a preferred embodiment, to ensure the compactness and stability of the clamping mechanism, the fixed plate 1 is designed as an integrated carrier platform that supports the cylinder 3, rotating column 7, rotating column 10, and sliding rod 6. All clamping components are integrated on this fixed plate 1. The connecting plate 5 is set between the cylinder shaft 4 and the rotating column 7 to accurately convert the vertical reciprocating motion of the cylinder shaft 4 into the rotational motion of the rotating column 7. To ensure efficient and synchronous transmission, the central axes of the rotating column 7 and the rotating column 10 are set parallel to each other on the fixed plate 1. The rotating plate 8 serves as a plate-shaped transmission component connecting the rotating column 7 and the rotating column 10, with both ends fixedly connected to the rotating column 7 and the rotating column 10 respectively, to synchronously transmit torque and achieve the final clamping action.

[0027] Please refer to Figure 2 and Figure 3 The sliding rod 6 has a guide groove inside for the connecting leg plate 9 to rotate and slide. One end of the connecting leg plate 9 is fixedly connected to the rotating column 10, and the other end is fixedly connected to the clamping plate 11. Under the drive of the rotating column 10, the connecting leg plate 9 rotates and slides in the guide groove, thereby driving the clamping plate 11 to move.

[0028] As a further limitation on the adjustment mechanism 2, in order to achieve smooth linear movement, please refer to... Figure 1 and Figure 4 The slider 204 is slidably connected to the slide rail 203, which is fixed on the fixed base plate 202. The slider 204 is fixed on the bottom of the fixed frame 201. This connection is used to guide the fixed frame 201 to move linearly in one direction along the fixed base plate 202. In order to achieve reliable locking of the adjustment mechanism 2 at any desired position, the limiting post 208 is rotatably mounted on the fixed frame 201, for example, through the side wall of the fixed frame 201. The slide rod 206 is fixed on the fixed frame 201 and has a limiting groove 207. After the limiting post 208 rotates, the eccentric or irregular end can selectively engage in the limiting groove 207 provided on the slide rod 206, thereby preventing the fixed frame 201 from sliding relative to the fixed base plate 202. The baffle 205 is used to fix the slide rod 206 and limit the fixed base plate 202.

[0029] Working principle: When the overall macroscopic position of the fixture needs to be adjusted to adapt to different products or workstations, the operator first rotates the limiting post 208, causing the eccentric or irregular end of the limiting post 208 to disengage from the limiting groove 207 of the slide rod 206, thus releasing the lock on the fixed frame 201. At this time, the operator can push the fixed frame 201, and the slider 204 at the bottom of the fixed frame 201 will slide along the slide rail 203 mounted on the fixed base plate 202. The slide rail 203 provides precise guidance for the slider 204, and the slider 204 carries the fixed frame 201 to move linearly in one direction. Since the fixed plate 1, which serves as the carrier of the clamping mechanism, is mounted on the fixed frame 201, the entire fixture is supported by the fixed plate 1. The clamping mechanism includes a cylinder 3, a cylinder shaft 4, a connecting plate 5, a slide rod 6, a rotating column 7, a rotating plate 8, a connecting leg plate 9, a rotating column 10, and a clamping plate 11. All of these components move together with the fixed frame 201 along the guide direction of the slide rail 203. When the fixed frame 201 moves to the predetermined ideal position, the operator rotates the limiting column 208 again, causing the limiting column 208 to engage in the corresponding limiting groove 207 on the slide rod 206. The slide rod 206 is fixed by the baffle 205, which also limits the fixed base plate 202, ensuring the structural stability and reliable locking of the adjustment mechanism 2. This completes the macroscopic position adjustment and locking of the entire clamping and fixing device. Once the clamp position is fixed, when the product needs to be clamped and positioned, cylinder 3 is activated. The cylinder shaft 4 of cylinder 3 extends or retracts, performing a vertical reciprocating linear motion. The cylinder shaft 4 drives the connecting plate 5 to perform a synchronous vertical linear motion via a rotating connection. The connecting plate 5 converts the linear motion of the cylinder shaft 4 into the rotational motion of the rotating column 7. The rotating column 7 is inserted through and rotatably mounted on the fixed plate 1. The rotation of the rotating column 7 drives the fixedly connected rotating plate 8. The rotating plate 8, as a plate-shaped transmission component connecting the rotating column 7 and the rotating column 10, synchronously transmits the rotational motion to the rotating column 10. Similarly, the rotating column 10 is installed and rotated on the fixed plate 1. The central axes of the rotating column 1 and the rotating column 10 are parallel to each other, which ensures the smoothness and synchronization of the transmission. The rotation of the rotating column 10 drives the fixedly connected connecting leg plate 9. One end of the connecting leg plate 9 is connected to the rotating column 10, and the other end is connected to the clamping plate 11. The connecting leg plate 9 rotates and slides in the guide groove opened inside the slide rod 6, which allows the connecting leg plate 9 to rotate and slide. Finally, it drives the clamping plate 11 to move inward or outward, so as to clamp and fix or release the product. By adjusting the manual sliding function of the adjustment mechanism 2 and the locking function of the limit post 208, and coordinating with the automatic clamping function of the linkage mechanism driven by the cylinder 3, the problems of inconvenient clamping position adjustment and low integration of automated clamping in the prior art are solved.

Claims

1. Production line product positioning fixtures, including: Fixed plate (1), adjusting mechanism (2), cylinder (3) and clamping plate (11); Its features are, The fixed plate (1) is installed on the fixed frame (201) of the adjustment mechanism (2). The cylinder (3) is connected to the cylinder shaft (4). The cylinder shaft (4) is connected to the connecting plate (5). The connecting plate (5) is used to drive the first rotating column (7) set on the fixed plate (1) to rotate. The first rotating column (7) drives the second rotating column (10) to rotate through the rotating plate (8). The second rotating column (10) drives the connecting leg plate (9). The connecting leg plate (9) rotates in the second sliding rod (6) and drives the clamping plate (11) to clamp and position. The adjustment mechanism (2) further includes a fixed base plate (202), on which a slide rail (203) is provided. The fixed frame (201) is slidably engaged with the slide rail (203) via a slider (204). A slide rod (206) is provided on the fixed frame (201). A limiting groove (207) is provided on the slide rod (206). The limiting groove (207) cooperates with a limiting post (208). The adjustment mechanism (2) is also provided with a baffle (205), which is used to fix the slide rod (206).

2. The production line product positioning fixture according to claim 1, characterized in that, The rotating plate (8) is a plate-shaped transmission component that connects the first rotating column (7) and the second rotating column (10).

3. The production line product positioning fixture according to claim 1, characterized in that, The slide bar 2 (6) has a guide groove inside for the connecting leg plate (9) to rotate and slide.

4. The production line product positioning fixture according to claim 1, characterized in that, One end of the connecting leg plate (9) is connected to the rotating column (10), and the other end is connected to the clamp plate (11).

5. The production line product positioning fixture according to claim 1, characterized in that, The limiting post (208) is rotatably mounted on the fixing frame (201), and the limiting post (208) can selectively engage in the limiting groove (207) after rotation.

6. The production line product positioning fixture according to claim 1, characterized in that, The connecting plate (5) converts the vertical reciprocating motion of the cylinder shaft (4) into the rotational motion of the rotating column (7).

7. The production line product positioning fixture according to claim 1, characterized in that, The fixed plate (1) is an integrated carrier platform that supports the cylinder (3), the first rotating column (7), the second rotating column (10), and the second sliding rod (6).

8. The production line product positioning fixture according to claim 1, characterized in that, The slider (204) is slidably connected to the slide rail (203) to guide the fixed frame (201) to move linearly in one direction along the fixed base plate (202).

9. The production line product positioning fixture according to claim 1, characterized in that, The central axes of the first rotating column (7) and the second rotating column (10) are arranged parallel to each other.