Weighing device for PVC pipe production line

Abstract

The utility model discloses a PVC pipe production line weighing device which comprises a bottom plate, side plates are arranged at the top ends of the two sides of the bottom plate, an L-shaped groove is formed in one end of each side plate, the L-shaped grooves are arranged in an inclined mode, two supporting plates are arranged on the bottom plate, and the same two-way screw rod is rotationally installed in the two supporting plates. The servo motor is connected with the bidirectional screw rod, the bidirectional screw rod is respectively in transmission connection with a first sliding block and a second sliding block, two ends of the first sliding block are respectively and rotatably provided with a first connecting rod, and two ends of the second sliding block are respectively and rotatably provided with a second connecting rod. Through the connection of the first connecting rod and the second connecting rod, the supporting table is gradually lifted, so that the weighing sensor is in contact with the PVC pipe, the PVC pipe is lifted, the weighing of the PVC pipe is realized, and compared with the prior art, the operation is convenient, and the weighing efficiency is improved at the same time.

Description

Technical Field

[0001] The utility model relates to the technical field of PVC pipe weighing, in particular to a weighing device for a PVC pipe production line. Background Art

[0002] The utility model with the publication number CN207456577U discloses an automatic weighing system for PVC pipes, including a base, a weight sensor, a baffle plate on the top of the base, a weight sensor in the base, the weight sensor electrically connected to a rechargeable battery, a connection seat fixedly connected to both sides of the base, a vertically arranged first electric push rod fixedly arranged on the top of the connection seat, a top plate fixedly arranged on the top of the electric push rod, the top plate is a hollow structure, a horizontally arranged second electric push rod fixedly arranged on the inner wall of both sides of the top plate, a clamping ring fixedly arranged at one end of the second electric push rod, a plastic layer arranged on the inner side of the clamping ring, a distance measuring sensor fixedly arranged on one side of the bottom of the top plate, a plurality of control buttons arranged on the outside of the base, a charging jack arranged at the bottom of the control button, and a display screen arranged on one side of the control button. This device has an accurate detection effect, can be operated by a single person, and is convenient and fast.

[0003] The prior art weighs the PVC pipe by placing it vertically. However, during the production process of the PVC pipe, due to its long length, the prior art is inconvenient to operate when weighing it. Therefore, a PVC pipe production line weighing device is needed to meet the demand. Utility Model Content

[0004] The utility model aims to provide a weighing device for a PVC pipe production line, so as to solve the problem that the prior art proposed in the above background technology is inconvenient to operate when weighing the pipe.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a weighing device for a PVC pipe production line, comprising a base plate, side plates are arranged on the top ends of both sides of the base plate, an L-shaped groove is opened on one end of the side plate, and the L-shaped groove is arranged in an inclined shape. Two support plates are arranged on the base plate, and the same bidirectional screw is rotatably installed in the two support plates. The first slider and the second slider are respectively connected to the bidirectional screw in a transmission manner, and the first connecting rod is rotatably installed on both ends of the first slider, and the second connecting rod is rotatably installed on both ends of the second slider. The same support platform is rotatably installed on the two first connecting rods and the two second connecting rods, and the support platform is located at the corner of the L-shaped groove. A weighing sensor is arranged on the support platform, and a servo motor is arranged on the base plate, and the output shaft of the servo motor is connected to one end of the bidirectional screw.

[0006] Preferably, the side plate is gradually inclined downward from the top end of the L-shaped groove to the other end of the side plate.

[0007] Preferably, the first slider is provided with a positive thread hole, which is adapted to the positive thread section of the bidirectional screw, and the second slider is provided with a reverse thread hole, which is adapted to the reverse thread section of the bidirectional screw.

[0008] Preferably, a directional guide rail is provided on the bottom plate, and the directional guide rail is located between the two support plates, and the first sliding block and the second sliding block are both slidably adapted on the directional guide rail.

[0009] Preferably, two connecting members are provided on the bottom end of the support platform, the two first connecting rods are rotatably mounted on the same connecting member, and the two second connecting rods are rotatably mounted in another connecting member.

[0010] Preferably, a plurality of guide sleeves are provided on the bottom plate, a guide rod is provided on the bottom end of each corner of the support platform, and each guide rod is slidably installed in a guide sleeve at a corresponding position.

[0011] Preferably, triangular plates are provided on both sides of the top end of the support platform, and the inclination direction of the upper side of the triangular plates is the same as the inclination direction of the L-shaped groove.

[0012] The beneficial effects of the utility model are:

[0013] In the utility model, the side plate and the L-shaped groove are matched so that the weighing device can be placed at the discharge end of the PVC pipe production line, and the PVC pipe is supported and weighed in real time.

[0014] In the utility model, a servo motor is used to control the rotation of a bidirectional screw, so that the first slider and the second slider move synchronously relative to each other, and the first connecting rod and the second connecting rod are connected to make the support platform gradually rise, so that the weighing sensor contacts the PVC pipe, and the PVC pipe is lifted, thereby realizing the weighing of the PVC pipe. Compared with the prior art, the operation is convenient and the weighing efficiency is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a structural schematic diagram of a weighing device for a PVC pipe production line proposed by the utility model;

[0016] Figure 2 This is a schematic diagram of the side planar structure of a side plate of a PVC pipe production line weighing device proposed by the utility model;

[0017] Figure 3 This is a schematic diagram of the front cross-sectional structure of a bidirectional screw of a PVC pipe production line weighing device proposed by the utility model;

[0018] Figure 4 The utility model is a schematic diagram of a side cross-sectional structure of a weighing device for a PVC pipe production line.

[0019] In the figure: 1. bottom plate; 2. side plate; 3. L-shaped groove; 4. support plate; 5. bidirectional screw; 6. first slider; 7. second slider; 8. first connecting rod; 9. second connecting rod; 10. support platform; 11. weighing sensor; 12. servo motor; 13. positive threaded hole; 14. negative threaded hole; 15. directional guide rail; 16. connecting piece; 17. guide sleeve; 18. guide rod; 19. triangle plate. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0021] Reference Figure 1-4 A weighing device for a PVC pipe production line comprises a bottom plate 1, side plates 2 are arranged on the top ends of both sides of the bottom plate 1, an L-shaped groove 3 is opened on one end of the side plate 2, the L-shaped groove 3 is arranged in an inclined shape, two support plates 4 are arranged on the bottom plate 1, the same bidirectional screw 5 is rotatably installed in the two support plates 4, a first slider 6 and a second slider 7 are respectively connected to the bidirectional screw 5, a first connecting rod 8 is rotatably installed on both ends of the first slider 6, a second connecting rod 9 is rotatably installed on both ends of the second slider 7, the same support platform 10 is rotatably installed on the two first connecting rods 8 and the two second connecting rods 9, the support platform 10 is located at the corner of the L-shaped groove 3, a weighing sensor 11 is arranged on the support platform 10, a servo motor 12 is arranged on the bottom plate 1, and the output shaft of the servo motor 12 is connected to one end of the bidirectional screw 5.

[0022] After the PVC pipes on the PVC pipe production line are cut, they fall onto the side plate 2, and are guided by the L-shaped groove 3, gradually rolling down to the corner of the L-shaped groove 3 and stopping. The servo motor 12 controls the rotation of the bidirectional screw 5, so that the first slider 6 and the second slider 7 move synchronously relative to each other. Through the connection of the first connecting rod 8 and the second connecting rod 9, the support platform 10 gradually rises, and the weighing sensor 11 gradually contacts the PVC pipe, lifting the PVC pipe and separating it from the side plate 2. The weighing sensor 11 transmits the electrical signal and displays the weight on the display.

[0023] Specifically, in this embodiment, the side plate 2 is gradually inclined downward from the top of the L-shaped groove 3 to the other end of the side plate 2, and the PVC pipes can be collected there, realizing the combination of weighing and unloading of the PVC pipes.

[0024] Specifically, in this embodiment, a positive threaded hole 13 is opened on the first slider 6, and the positive threaded hole 13 is adapted on the positive threaded section of the bidirectional screw 5. A reverse threaded hole 14 is opened on the second slider 7, and the reverse threaded hole 14 is adapted on the reverse threaded section of the bidirectional screw 5, so that the rotation of the bidirectional screw 5 realizes the synchronous relative movement of the first slider 6 and the second slider 7.

[0025] Specifically, in this embodiment, a directional guide rail 15 is provided on the base plate 1, and the directional guide rail 15 is located between the two support plates 4. The first slider 6 and the second slider 7 are both slidably adapted on the directional guide rail 15 to ensure the horizontal stability of the relative movement of the first slider 6 and the second slider 7.

[0026] Specifically, in this embodiment, two connecting members 16 are provided on the bottom end of the support platform 10, the two first connecting rods 8 are rotatably installed in the same connecting member 16, and the two second connecting rods 9 are rotatably installed in another connecting member 16, thereby ensuring the connection between the support platform 10 and the first connecting rod 8 and the second connecting rod 9, and realizing the rotatability of the first connecting rod 8 and the second connecting rod 9.

[0027] Specifically, in this embodiment, a plurality of guide sleeves 17 are provided on the base plate 1, and a guide rod 18 is provided on the bottom end of each corner of the support platform 10. Each guide rod 18 is slidably installed in the guide sleeve 17 at the corresponding position, thereby ensuring the stability of the vertical movement of the support platform 10, thereby ensuring the accuracy of the weighing data of the weighing sensor 11.

[0028] Specifically, in the present embodiment, triangular plates 19 are provided on both sides of the top of the support platform 10, and the inclination direction of the upper side of the triangular plates 19 is the same as the inclination direction of the L-shaped groove 3, which limits the rotation of the PVC pipe in the direction of the weighing sensor 11 toward the production line, and guides the PVC pipe to move toward the other end of the side plate 2, thereby facilitating the unloading of the PVC pipe.

[0029] The above are only preferred specific implementation methods of the utility model, but the protection scope of the utility model is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the utility model, who makes equivalent replacements or changes based on the technical scheme and utility model concept of the utility model, should be covered by the protection scope of the utility model.

Claims

1. A weighing device for a PVC pipe production line, comprising a bottom plate (1), characterized in that: The top ends of both sides of the base plate (1) are provided with side plates (2), one end of the side plates (2) is provided with an L-shaped groove (3), and the L-shaped groove (3) is arranged in an inclined shape. The base plate (1) is provided with two support plates (4), and the same bidirectional screw (5) is rotatably mounted in the two support plates (4). The bidirectional screw (5) is respectively connected to a first slider (6) and a second slider (7) in a transmission manner. The first connecting rod (8) is rotatably mounted on both ends of the first slider (6), and the second connecting rod (9) is rotatably mounted on both ends of the second slider (7). The same support platform (10) is rotatably mounted on the two first connecting rods (8) and the two second connecting rods (9). The support platform (10) is located at the corner of the L-shaped groove (3), and a weighing sensor (11) is arranged on the support platform (10). The base plate (1) is provided with a servo motor (12), and the output shaft of the servo motor (12) is connected to one end of the bidirectional screw (5).

2. A PVC pipe production line weighing device according to claim 1, characterized in that: The side plate (2) is gradually inclined downward from the top end of the L-shaped groove (3) to the other end of the side plate (2).

3. A PVC pipe production line weighing device according to claim 1, characterized in that: The first slider (6) is provided with a positive thread hole (13), which is adapted to the positive thread section of the bidirectional screw (5); the second slider (7) is provided with a reverse thread hole (14), which is adapted to the reverse thread section of the bidirectional screw (5).

4. A PVC pipe production line weighing device according to claim 1, characterized in that: The bottom plate (1) is provided with a directional guide rail (15), the directional guide rail (15) is located between the two support plates (4), and the first sliding block (6) and the second sliding block (7) are both slidably fitted on the directional guide rail (15).

5. A PVC pipe production line weighing device according to claim 1, characterized in that: Two connecting pieces (16) are arranged on the bottom end of the support platform (10), the two first connecting rods (8) are rotatably mounted on the same connecting piece (16), and the two second connecting rods (9) are rotatably mounted in another connecting piece (16).

6. A PVC pipe production line weighing device according to claim 1, characterized in that: A plurality of guide sleeves (17) are arranged on the bottom plate (1), and a guide rod (18) is arranged on the bottom end of each corner of the support platform (10), and each guide rod (18) is slidably installed in the guide sleeve (17) at the corresponding position.

7. A PVC pipe production line weighing device according to claim 1, characterized in that: Triangular plates (19) are provided on both sides of the top of the support platform (10), and the inclination direction of the upper side of the triangular plates (19) is the same as the inclination direction of the L-shaped groove (3).

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