Plastic part welding device

By introducing a fine-tuning fixing mechanism and a distance adjustment mechanism into the plastic parts welding device, and using a screw system driven by a worm and a motor, precise adjustment of the welding position of the plastic parts is achieved, solving the problem of inaccurate welding position and improving the welding quality and efficiency.

CN223340052UActive Publication Date: 2025-09-16ZHIDONG (TIANJIN) HIGH TECH CO LTD
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Patent Information

Application Number
CN202421940828.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-12
Publication Date
2025-09-16
Estimated Expiration
2034-08-12

AI Technical Summary

Technical Problem

Existing plastic welding devices are difficult to accurately connect the welding points when facing different types of plastic parts, resulting in unstable welding quality.

Method used

The fine-tuning fixing mechanism and the distance adjustment mechanism are adopted. Through the bidirectional screw driven by the No. 1 worm and the No. 2 motor, the precise adjustment and docking of the welding parts of the plastic parts can be achieved. The design of the fine-tuning plate and the clamping block can be used to fix plastic parts of different sizes.

Benefits of technology

It improves the accuracy and quality of plastic parts welding, reduces manual intervention, and improves the accuracy and efficiency of the welding process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of plastic part welding devices, and discloses a plastic part welding device which comprises a device body, a connecting frame is fixedly connected to the top of the device body, a hydraulic push rod is fixedly connected to the interior of the connecting frame, and the output end of the hydraulic push rod is fixedly connected with a heating device. Before welding, according to the position of the connecting portion of the plastic part, first rotating worms on the two sides are rotated respectively, a connecting rod is driven to move in the rotating process of a rotating rod, the connecting rod pushes a connecting sleeve to move, then the connecting sleeve drives a fine adjustment plate to move forwards or backwards, the fine adjustment plate slides forwards or backwards under the guiding of a sliding column, and the fine adjustment plate is fixed to the position of the connecting portion of the plastic part. Therefore, the butt joint position of the two plastic parts can be accurately adjusted according to the welding parts of the plastic parts, manual repeated calibration by hands is not needed, the butt joint accuracy is further improved, and the welding effect of the plastic parts in the dissolving process is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of plastic piece welding devices, in particular to a plastic piece welding device. Background Art

[0002] Plastic welding devices use heat and pressure to quickly and accurately weld two or more plastic parts together, significantly improving production efficiency. This automated or semi-automated production method reduces the time and cost of manual operation, making the production line more efficient.

[0003] A plastic welding device disclosed on the patent website (authorization publication CN 219838209 U) describes a "plastic welding device comprising a base, a placement groove formed on the top outer wall of the base, a fixed seat fixedly connected to the inner wall of the placement groove, a first semicircular groove formed on the top outer wall of the fixed seat, a movable seat slidably connected to the inner wall of the placement groove, a second semicircular groove formed on the top outer wall of the movable seat, the first and second semicircular grooves being symmetrical to each other."

[0004] In view of the above description, the applicant believes that the following problems exist:

[0005] During use of the utility model, the device places plastic parts with rectangular or semicircular structures in corresponding grooves respectively, and then drives the movable seat to move horizontally through the threaded sleeve, thereby achieving mutual abutment and fixation of the two plastic parts. However, in actual use, due to the different shapes of plastic parts, when welding different types of plastic parts, due to the different welding parts, and the device only uses manual docking, it is impossible to accurately dock the exact position of the welding part of the plastic parts, and it is easy to produce deviations during the welding process, thereby affecting the welding quality of subsequent products. Therefore, there is a need to improve a plastic parts welding device. Utility Model Content

[0006] The purpose of the present invention is to provide a plastic parts welding device to solve the problems raised in the above background technology.

[0007] To achieve the above-mentioned object, the present invention provides the following technical solution: a plastic parts welding device, comprising a device body, a connecting frame fixedly connected to the top of the device body, a hydraulic push rod fixedly connected to the interior of the connecting frame, a heating device fixedly connected to the output end of the hydraulic push rod, a distance adjustment mechanism provided on the top of the device body, and a fine-tuning fixing mechanism provided on the top of the distance adjustment mechanism;

[0008] The fine-tuning and fixing mechanism includes a fine-tuning component and a fixing component. The fixing component is arranged inside the fine-tuning component to facilitate rapid adjustment of the welding position of the plastic part, thereby achieving precise adjustment.

[0009] Preferably, the distance adjustment mechanism includes a connecting frame, which is fixedly connected to the top of the device body, and the right side of the connecting frame is fixedly connected to the No. 2 motor, the output end of the No. 2 motor is fixedly connected to a bidirectional screw, the external thread of the bidirectional screw is connected to a movable plate, and the inside of the connecting frame is fixedly connected to a sliding rod, so as to facilitate the adjustment of the distance between the two workpieces according to the size of the workpieces.

[0010] Preferably, the movable plate is slidably connected to the outside of the slide rod, and the bidirectional screw is rotatably connected to the inside of the connection frame, so that the connection frame can be quickly moved according to the size of the workpiece.

[0011] Preferably, the fine-tuning assembly includes a No. 1 worm, which is rotatably connected to the top of the movable plate, and a No. 1 worm wheel is meshed with a No. 1 worm wheel at the bottom. A rotating rod is fixedly connected to the inner side of the No. 1 worm wheel, and the end of the rotating rod away from the No. 1 worm wheel is rotatably connected to a connecting rod, and a connecting sleeve is slidably connected to the outside of the connecting rod, and a fine-tuning plate is fixedly connected to the inner side of the connecting sleeve, and a connecting plate is fixedly connected to the top of the movable plate, and a sliding column is slidably connected to the inside of the connecting plate, so as to facilitate the precise adjustment of the connection position according to the welding position of the plastic parts.

[0012] Preferably, the sliding column is fixedly connected to the inside of the fine-tuning plate, and the first worm gear is rotatably connected to the top of the movable plate, so as to drive the fine-tuning plate to move forward and backward.

[0013] Preferably, the fixing assembly includes a No. 2 worm, which is rotatably connected to the inside of the fine-tuning plate, and a No. 2 worm wheel is meshed with a No. 2 worm wheel on the outside. The top of the No. 2 worm wheel is fixedly connected to a limit plate, and the inside of the limit plate is slidably connected to a limit column. The top of the limit column is fixedly connected to a slider, and the top of the slider is fixedly connected to a clamping block, which is convenient for quickly fixing plastic parts of different sizes and preventing movement during the welding process.

[0014] Preferably, the second worm gear is rotatably connected to the inside of the fine-tuning plate, and grooves are provided at corresponding positions of the slider and the fine-tuning plate, and the slider is slidably connected in the groove to facilitate relative movement of the clamping block.

[0015] Compared with the prior art, the present invention provides a plastic parts welding device with the following beneficial effects:

[0016] The plastic parts welding device is provided with a fine-tuning fixing mechanism. Before welding, the No. 1 rotating worm gears on both sides are rotated according to the position of the connecting parts of the plastic parts. During the rotation of the rotating rod, the connecting rod is driven to move, and the connecting rod pushes the connecting sleeve to move. The connecting sleeve then drives the fine-tuning plate to move forward or backward. The fine-tuning plate slides forward or backward under the guidance of the sliding column, so that the docking position of the two plastic parts can be accurately adjusted according to the welding parts of the plastic parts without the need for repeated manual calibration, further improving the accuracy of the docking, thereby improving the welding effect of the plastic parts during the dissolution process.

[0017] The plastic parts welding device starts the No. 2 motor through the set distance adjustment mechanism, and the No. 2 motor drives the bidirectional screw to rotate, and then the bidirectional screw drives the movable plate to move, so that the movable plates on both sides move relative to each other along the guide of the sliding rod, so that the welding parts on both sides gradually approach each other until they stop after contacting each other, thereby being able to quickly adjust the position between the two welding parts, and further facilitating subsequent welding work. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without inventive work.

[0019] Figure 1 This is a schematic diagram of the appearance structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the appearance and structure of the fine-tuning fixing mechanism of the utility model;

[0021] Figure 3 This is a schematic diagram of the expanded structure of the fine-tuning component of the utility model;

[0022] Figure 4 This is a schematic diagram of the expanded structure of the fixing component of the utility model;

[0023] Figure 5 This is a schematic diagram of the expanded structure of the distance adjustment mechanism of the utility model.

[0024] In the figure: 1. Device body; 2. Connecting frame; 3. Hydraulic push rod; 4. Heating device; 5. Fine-tuning fixing mechanism; 6. Pitch-adjusting mechanism; 51. Fine-tuning assembly; 52. Fixing assembly; 511. Worm gear No. 1; 512. Worm wheel No. 1; 513. Rotating rod; 514. Connecting rod; 515. Connecting sleeve; 516. Connecting plate; 517. Sliding column; 518. Fine-tuning plate; 521. Worm gear No. 2; 522. Worm wheel No. 2; 523. Limiting plate; 524. Limiting column; 525. Sliding block; 526. Clamping block; 61. Connecting frame; 62. Motor No. 2; 63. Bidirectional screw; 64. Sliding rod; 65. Moving plate. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0026] In this utility model, unless otherwise specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection; direct connection, indirect connection through an intermediate medium, internal communication between two components, or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances. Example 1

[0027] See also Figure 1-5 The utility model provides a technical solution: a plastic parts welding device, including a device body 1, a connecting frame 2 is fixedly connected to the top of the device body 1, a hydraulic push rod 3 is fixedly connected to the inside of the connecting frame 2, and a heating device 4 is fixedly connected to the output end of the hydraulic push rod 3. A distance adjustment mechanism 6 is provided on the top of the device body 1, and a fine-tuning fixing mechanism 5 is provided on the top of the distance adjustment mechanism 6;

[0028] The fine-tuning and fixing mechanism 5 includes a fine-tuning component 51 and a fixing component 52 . The fixing component 52 is arranged inside the fine-tuning component 51 to facilitate rapid adjustment of the welding position of the plastic part, thereby achieving precise adjustment.

[0029] Furthermore, the fine-tuning assembly 51 includes a No. 1 worm gear 511, which is rotatably connected to the top of the movable plate 65, and a No. 1 worm wheel 512 is meshed with the No. 1 worm gear 512 at the bottom. A rotating rod 513 is fixedly connected to the inner side of the No. 1 worm wheel 512, and the end of the rotating rod 513 away from the No. 1 worm wheel 512 is rotatably connected to a connecting rod 514, and the outer side of the connecting rod 514 is slidably connected to a connecting sleeve 515, and the inner side of the connecting sleeve 515 is fixedly connected to a fine-tuning plate 518, and a connecting plate 516 is fixedly connected to the top of the movable plate 65, and a sliding column 517 is slidably connected to the inner side of the connecting plate 516, so as to facilitate the precise adjustment of the connection position according to the welding position of the plastic parts.

[0030] Furthermore, the sliding post 517 is fixedly connected to the inside of the fine-tuning plate 518, and the first worm gear 512 is rotatably connected to the top of the movable plate 65, so as to drive the fine-tuning plate 518 to move forward and backward.

[0031] Furthermore, the fixing assembly 52 includes a No. 2 worm 521, which is rotatably connected to the inside of the fine-tuning plate 518, and a No. 2 worm wheel 522 is meshed with the outside of the No. 2 worm 521. The top of the No. 2 worm wheel 522 is fixedly connected to a limit plate 523, and the inside of the limit plate 523 is slidably connected to a limit column 524. The top of the limit column 524 is fixedly connected to a slider 525, and the top of the slider 525 is fixedly connected to a clamping block 526, which is convenient for quickly fixing plastic parts of different sizes to prevent movement during the welding process.

[0032] Furthermore, the second worm gear 522 is rotatably connected to the inside of the fine-tuning plate 518, and a groove is provided at the corresponding position of the slider 525 and the fine-tuning plate 518, and the slider 525 is slidably connected in the groove to facilitate the relative movement of the clamping block 526. Example 2

[0033] See also Figure 5 , and combined with Example 1, it is further obtained that the distance adjustment mechanism 6 includes a connecting frame 61, the connecting frame 61 is fixedly connected to the top of the device body 1, the right side of the connecting frame 61 is fixedly connected to the second motor 62, the output end of the second motor 62 is fixedly connected to a bidirectional screw 63, the external thread of the bidirectional screw 63 is connected to the movable plate 65, and the interior of the connecting frame 61 is fixedly connected to a sliding rod 64, which is convenient for adjusting the distance between the two workpieces according to the size of the workpieces.

[0034] Furthermore, the movable plate 65 is slidably connected to the outside of the slide rod 64, and the bidirectional screw 63 is rotationally connected to the inside of the connecting frame 61, so that the connecting frame 61 can be quickly moved according to the size of the workpiece.

[0035] In actual operation, when the device is used, first, the plastic parts to be processed are placed on the fine-tuning plate 518 respectively through the fine-tuning fixing mechanism 5, and the second worm 521 is rotated, and the second worm 521 drives the second worm wheel 522 to rotate, and then the second worm wheel 522 drives the limit plate 523 to rotate counterclockwise. In the process of rotation of the limit plate 523, the limit column 524 is restricted by the groove on the limit plate 523, so that the limit column 524 slides along the groove corresponding to the limit plate 523, thereby driving the front and rear sliders 525 to move relative to each other, and then the slider 525 drives the clamping block 526 to move relative to each other, so that the clamping blocks 526 on both sides quickly clamp the processed plastic parts, and then the distance adjustment mechanism is set. 6. Start the No. 2 motor 62, which drives the bidirectional screw 63 to rotate, and then the bidirectional screw 63 drives the movable plate 65 to move, so that the two sides of the movable plates 65 are relatively moved along the guide of the slide rod 64, so that the welding parts on both sides gradually approach each other until they stop after contacting each other. Before welding, according to the position of the connection part of the plastic parts, the No. 1 rotating worm 511 on both sides is rotated respectively, and the No. 1 worm 511 drives the No. 1 worm gear 512 to rotate, and then the No. 1 worm gear 512 drives the rotating rod 513 to rotate. During the rotation of the rotating rod 513, the connecting rod 514 is displaced, and the connecting rod 514 pushes the connecting sleeve 515 to move, and then the connecting sleeve 515 drives the fine-tuning plate 518 to move forward or backward. The fine-tuning plate 518 slides forward or backward under the guidance of the slide post 517, so that the docking position of the two plastic parts can be accurately adjusted according to the welding part of the plastic parts.

[0036] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or elements inherent to such process, method, article, or device. In the absence of further limitations, an element defined by the phrase "comprising a..." does not exclude the presence of additional identical elements in the process, method, article, or device comprising the element.

Claims

1. A plastic parts welding device, comprising a device body (1), characterized in that: The top of the device body (1) is fixedly connected to a connecting frame (2), the interior of the connecting frame (2) is fixedly connected to a hydraulic push rod (3), the output end of the hydraulic push rod (3) is fixedly connected to a heating device (4), the top of the device body (1) is provided with a distance adjustment mechanism (6), and the top of the distance adjustment mechanism (6) is provided with a fine-tuning fixing mechanism (5); The fine-tuning fixing mechanism (5) comprises a fine-tuning component (51) and a fixing component (52), wherein the fixing component (52) is arranged inside the fine-tuning component (51).

2. The plastic parts welding device according to claim 1, characterized in that: The distance adjustment mechanism (6) includes a connecting frame (61), the connecting frame (61) is fixedly connected to the top of the device body (1), a second motor (62) is fixedly connected to the right side of the connecting frame (61), a bidirectional screw (63) is fixedly connected to the output end of the second motor (62), the external thread of the bidirectional screw (63) is connected to the moving plate (65), and a sliding rod (64) is fixedly connected to the inside of the connecting frame (61).

3. The plastic parts welding device according to claim 2, characterized in that: The movable plate (65) is slidably connected to the outside of the slide rod (64), and the bidirectional screw (63) is rotationally connected to the inside of the connection frame (61).

4. The plastic parts welding device according to claim 2, characterized in that: The fine-tuning assembly (51) includes a No. 1 worm (511), the No. 1 worm (511) is rotatably connected to the top of the movable plate (65), the No. 1 worm (511) is meshed with a No. 1 worm wheel (512) at the bottom, a rotating rod (513) is fixedly connected to the inner side of the No. 1 worm wheel (512), an end of the rotating rod (513) away from the No. 1 worm wheel (512) is rotatably connected to a connecting rod (514), the outer side of the connecting rod (514) is slidably connected to a connecting sleeve (515), the inner side of the connecting sleeve (515) is fixedly connected to a fine-tuning plate (518), the top of the movable plate (65) is fixedly connected to a connecting plate (516), and the inner side of the connecting plate (516) is slidably connected to a sliding column (517).

5. The plastic parts welding device according to claim 4, characterized in that: The sliding column (517) is fixedly connected to the inside of the fine-tuning plate (518), and the first worm gear (512) is rotatably connected to the top of the moving plate (65).

6. The plastic parts welding device according to claim 4, characterized in that: The fixing assembly (52) includes a second worm (521), the second worm (521) is rotatably connected to the inside of the fine-tuning plate (518), the second worm (521) is externally meshed with a second worm wheel (522), the top of the second worm wheel (522) is fixedly connected to a limiting plate (523), the limiting plate (523) is internally slidably connected to a limiting column (524), the top of the limiting column (524) is fixedly connected to a slider (525), and the top of the slider (525) is fixedly connected to a clamping block (526).

7. The plastic parts welding device according to claim 6, characterized in that: The second worm gear (522) is rotatably connected to the interior of the fine-tuning plate (518), and a slot is provided at a position corresponding to the slider (525) and the fine-tuning plate (518), and the slider (525) is slidably connected in the slot.

Citation Information

Patent Citations

  • Plastic part welding device

    CN219838209U