Precise barrel opening positioning device
By using an electric push rod and guide rod linkage system and photoelectric sensor detection, combined with a Z-shaped clamping fixture and bucket support pad, the problems of low positioning accuracy and uneven clamping in steel bucket processing are solved, achieving efficient and high-precision bucket mouth positioning.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-14
- Publication Date
- 2026-03-20
AI Technical Summary
Existing steel drum processing equipment suffers from low positioning accuracy and poor efficiency at the drum opening, uneven distribution of clamping force, and a lack of multi-dimensional linkage adjustment structure, thus failing to meet the requirements for high-precision processing.
A dual-axis linkage system is formed by an electric push rod and a guide rod, combined with photoelectric sensor detection. A Z-shaped bucket mouth clamping fixture and a bucket support pad are used for dual positioning to ensure the accuracy of the clamping trajectory.
It improves the positioning accuracy and clamping efficiency of steel drums, adapts to different drum opening specifications, avoids stress concentration, and achieves high-precision processing.
Smart Images

Figure CN224012257U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to steel iron bucket processing equipment field, concretely is a barrel mouth accurate positioning device. BACKGROUND
[0002] In the existing steel barrel processing equipment, barrel mouth positioning depends on manual visual adjustment, and has the problems of low positioning accuracy and poor efficiency. In addition, the traditional mechanical clamping device adopts a single-point fixing mode, which is easy to cause barrel body deflection and lead to processing errors. Although some automatic equipment uses sensors for detection, it lacks a multi-dimensional linkage adjustment structure and is difficult to adapt to different specifications of barrel mouth positioning requirements. The existing clamping mechanism generally has uneven clamping force distribution and barrel mouth stress deformation problems, and lacks a secondary positioning compensation mechanism, which cannot meet the requirements of high-precision processing.
[0003] Therefore, the utility model provides a barrel mouth accurate positioning device. UTILITY MODEL CONTENTS
[0004] The utility model aims at providing a barrel mouth accurate positioning device to solve the problems raised in the background.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a barrel mouth accurate positioning device, the top of the operation table is provided with a table top, the table top is provided with a downward recessed storage cavity, one side of the table top is provided with a detection sensor for detecting the position of the barrel mouth;
[0006] An electric push rod assembly is installed in the storage cavity, the electric push rod assembly includes a drive motor, the output end of the drive motor is connected with one end of a screw rod, a sliding table is sleeved on the screw rod, the front and rear ends of the sliding table are penetrated on guide rods, and a clamping assembly is fixedly installed on the sliding table;
[0007] The clamping assembly includes a fixed plate, air cylinders are fixedly installed on the front and rear sides of the fixed plate, the movable ends of the air cylinders are arranged towards the middle part, and barrel mouth clamping jigs are installed on the movable ends, a barrel supporting pad is installed on the outer side of the air cylinder, and the height of the barrel supporting pad is lower than the height of the barrel mouth clamping jigs; after assembly, the barrel mouth clamping jigs on both sides are respectively pressed on the inner wall of the steel barrel to be processed.
[0008] Preferably, the detection sensor is an optical sensor.
[0009] Preferably, the other end of the screw rod is installed on a bearing seat, and the bearing seat is fixedly installed on the table top.
[0010] Preferably, the fixed plate is locked on the top of the sliding table through external bolts.
[0011] Preferably, the direction of movement of the barrel mouth clamping fixture is perpendicular to the direction of movement of the sliding table.
[0012] Preferably, the height of the barrel supporting cushion block is higher than the height of the air cylinder.
[0013] Preferably, the barrel mouth clamping fixture is arranged in a Z shape, and the barrel mouth clamping fixture comprises a first clamping plate, a second clamping plate and a connecting block, the connecting block is connected with the first clamping plate and the second clamping plate perpendicularly, and the length of the first clamping plate is shorter than the length of the second clamping plate.
[0014] Compared with the prior art, the utility model has the beneficial effects that:
[0015] The utility model discloses a double-shaft linkage system formed by the electric push rod and the guide rod, improves the positioning precision when the steel drum moves, and facilitates to realize high-precision barrel mouth positioning detection by cooperating with the detection sensor; the Z-shaped barrel mouth clamping fixture is arranged, different barrel mouth sizes are adapted, and stress concentration is avoided; the height difference layout is formed by the barrel supporting cushion block and the barrel mouth clamping fixture, double positioning protection is realized, the movement direction of the barrel mouth clamping fixture and the movement direction of the sliding table are set as perpendicular to each other, interference during barrel mouth detection is eliminated, and the clamping track accuracy is ensured. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is a structure schematic view when the utility model is used.
[0017] Figure 2 It is a structure schematic view when the utility model is used. Figure 1 It is a structure sectional view of the part of removing the steel drum to be processed.
[0018] Figure 3 It is a top view structure schematic view of the clamping assembly part.
[0019] In the drawing:
[0020] Operation table (100), table (101), detection sensor (102);
[0021] Electric push rod assembly (200), drive motor (201), screw rod (202), sliding table (203), guide rod (204), bearing seat (205);
[0022] Clamping assembly (300), fixed plate (301), barrel supporting cushion block (302), air cylinder (303), barrel mouth clamping fixture (304), first clamping plate (3041), second clamping plate (3042), connecting block (3043);
[0023] Steel drum to be processed (400). DETAILED DESCRIPTION
[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor belong to the scope of protection of the utility model.
[0025] Please refer to Figures 1-3 The utility model provides an embodiment: a barrel mouth accurate positioning device, including operation platform 100, the top of operation platform 100 is equipped with table top 101, the table top 101 is equipped with the downward recessed storage cavity, one side of table top 101 is equipped with the detection sensor 102 for detecting barrel mouth position, wherein, the detection sensor 102 is photoelectric sensor;
[0026] The storage cavity is installed with electric push rod assembly 200, electric push rod assembly 200 includes drive motor 201, the output of drive motor 201 is connected with the one end of screw rod 202, the screw rod 202 is sleeved with sliding table 203, the other end of screw rod 202 is installed on bearing seat 205, bearing seat 205 is fixedly installed on table top 101, the front and rear ends of sliding table 203 are connected on guide rod 204, clamping assembly 300 is fixedly installed on sliding table 203;
[0027] Clamping assembly 300 includes fixed plate 301, the front and rear sides of fixed plate 301 are fixedly installed with air cylinder 303, fixed plate 301 is locked on the top of sliding table 203 through external bolt, the movable end of air cylinder 303 is all towards the middle part and is installed with barrel mouth clamping fixture 304, air cylinder 303 is installed with barrel supporting pad 302 on the outside, the height of barrel supporting pad 302 is lower than the height of barrel mouth clamping fixture 304;After assembly, the barrel mouth clamping fixture 304 of both sides is pressed in the inner wall of the steel barrel 400 to be processed respectively;
[0028] In order to eliminate the track interference when detecting the barrel mouth, the direction of the movement of the barrel mouth clamping fixture 304 is perpendicular to the direction of the movement of the sliding table 203, and the height of the barrel supporting pad 302 is higher than the height of the air cylinder 303.
[0029] In order to effectively realize the clamping effect, the barrel mouth clamping fixture 304 is arranged in a Z shape, the barrel mouth clamping fixture 304 includes a first clamping plate 3041, a second clamping plate 3042, and a connecting block 3043, the connecting block 3043 is connected perpendicularly to the first clamping plate 3041 and the second clamping plate 3042, and the length of the first clamping plate 3041 is shorter than the length of the second clamping plate 3042.
[0030] In use, this invention involves placing the steel drum to be tested on a support block for edge support. Then, the cylinder is activated, pushing a Z-shaped clamping fixture to press against the inner wall of the drum opening from both sides. The cylinder's retraction action clamps the inner wall of the drum. The first clamping plate contacts the inner wall to form the main positioning surface, while the extension of the second clamping plate provides auxiliary support. A connecting block transmits the clamping force to achieve the desired clamping effect. Afterward, a drive motor rotates a screw, moving a slide along a guide rod to the target coordinates. Since a fixed plate is mounted on the slide, the steel drum to be tested also moves with the slide. During this movement, a detection sensor identifies the drum opening position. Once the target coordinates are reached, a processing (cleaning) operation is performed. After the operation is complete, the steel drum is removed, and the cylinder and electric push rod are reset.
[0031] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.
Claims
1. A device for precisely positioning the mouth of a barrel, characterized in that, The device includes an operating table (100), the top of which is provided with a tabletop (101), the tabletop (101) is provided with a recessed storage cavity, and a detection sensor (102) for detecting the position of the bucket opening is provided on one side of the tabletop (101). An electric push rod assembly (200) is installed inside the storage cavity. The electric push rod assembly (200) includes a drive motor (201). The output end of the drive motor (201) is connected to one end of a screw (202). A slide (203) is sleeved on the screw (202). The front and rear ends of the slide (203) are connected to a guide rod (204). A clamping assembly (300) is fixedly installed on the slide (203). The clamping assembly (300) includes a fixing plate (301), on which cylinders (303) are fixedly installed on the front and rear sides. The movable ends of the cylinders (303) are all oriented towards the center and are equipped with barrel mouth clamping fixtures (304). A barrel support pad (302) is installed on the outside of the cylinders (303). The height of the barrel support pad (302) is lower than the height of the barrel mouth clamping fixture (304). After assembly, the barrel mouth clamping fixtures (304) on both sides are pressed against the inner wall of the steel barrel (400) to be processed.
2. The precise positioning device for the mouth of a barrel according to claim 1, characterized in that: The detection sensor (102) is a photoelectric sensor.
3. The precise positioning device for the mouth of a barrel according to claim 1, characterized in that: The other end of the screw (202) is mounted on the bearing seat (205), which is fixedly mounted on the platform (101).
4. The precise positioning device for the mouth of a barrel according to claim 1, characterized in that: The fixing plate (301) is locked to the top of the slide (203) by external bolts.
5. The precise positioning device for the mouth of a barrel according to claim 1, characterized in that: The direction of movement of the barrel clamping fixture (304) is perpendicular to the direction of movement of the slide (203).
6. The precise positioning device for the mouth of a barrel according to claim 1, characterized in that: The height of the bucket pad (302) is higher than the height of the cylinder (303).
7. A precise positioning device for a barrel opening according to any one of claims 1-6, characterized in that: The barrel opening clamping fixture (304) is Z-shaped. The barrel opening clamping fixture (304) includes a first clamping plate (3041), a second clamping plate (3042), and a connecting block (3043). The connecting block (3043) is perpendicularly connected to the first clamping plate (3041) and the second clamping plate (3042) respectively. The length of the first clamping plate (3041) is shorter than the length of the second clamping plate (3042).