Quick remodeling positioning device

By designing a quick change positioning device, the rapid positioning and correcting of the guide frame is achieved by using the cooperation of the slider and the roller, the problem of lack of special positioning devices in the guide frame inner plate during the grouping process is solved, the welding efficiency and accuracy are improved, and the production cost is reduced.

CN222679959UActive Publication Date: 2025-03-28QINGDAO LOVOL EXCAVATOR
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202420529077.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-19
Publication Date
2025-03-28
Estimated Expiration
2034-03-19

AI Technical Summary

Technical Problem

The lack of special positioning devices during the grouping of guide plates, resulting in manual measurement and splicing, unstable quality, long welding operation cycle and low efficiency.

Method used

A quick change positioning device is designed, including an intermediate support, a change device, a roller positioning device and an intermediate positioning device. Through the cooperation of the slider and the roller, the rapid positioning and alignment of the guide frame is realized.

Benefits of technology

The welding operation cycle is shortened, the welding efficiency of workers is improved, the production cost is reduced, and the accuracy of guide set pairs is improved.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222679959U_ABST
    Figure CN222679959U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of guide frame assembly tools, in particular to a quick remodeling positioning device which mainly comprises a middle support, remodeling devices are arranged on the left side wall and the right side wall of the middle support, each remodeling device comprises two groove clamps which are symmetrically arranged front and back, and a first sliding block is arranged between the two groove clamps. The front and rear side edges of the first sliding block are slidably connected with the front and rear groove clamps respectively, the upper and lower ends of the first sliding block are provided with roller positioning devices, and the middle of the first sliding block is provided with a middle positioning device. The device can improve the assembly welding efficiency of the guide frame of a worker, reduce the time for separating a tool from a workpiece, shorten the welding operation period, improve the operation efficiency and reduce the production cost.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of guide frame assembly tooling, in particular to a fast-changing positioning device. Background Art

[0002] The inner plate of the guide frame includes a guide frame transverse plate and a guide frame vertical plate. The guide frame assembly welding is currently performed by workers using positioning blocks and measuring instruments to manually spot weld the guide frame transverse plate and the guide frame vertical plate in pairs, and then spot weld them with arc plates to form left and right arc plates, that is, the arc plate welding includes the guide frame transverse plate, the guide frame vertical plate and the arc plate, and then the guide frame vertical plate is completely positioned on the existing tooling, and after positioning, the two arc plates that have been spot welded are placed on the left and right sides of the tooling respectively for positioning and alignment. After alignment is completed, spot welding is performed on the arc plates on both sides, and finally the reinforcing plate is welded to complete the welding of the guide frame components. In the process of guide frame assembly, a lot of time is often spent on manual alignment and splicing of the arc plates on both sides, which results in a lot of man-hours being wasted, and work efficiency is difficult to improve, and the accuracy of the assembled guide frame inner plate is also difficult to guarantee.

[0003] Based on the above problems, the utility model provides a quick-change positioning device, which can solve the problems of no dedicated positioning of the inner plate of the mining guide frame, the need for manual measurement of the splicing points, and unstable quality, thereby shortening the welding operation cycle and reducing the time and cost of the welding process. Summary of the invention

[0004] The technical problem to be solved by the utility model is to design a fast mold-changing positioning device, which can solve the problems of no special positioning of the inner plate of the guide frame, manual measurement of the joint points and unstable quality.

[0005] In order to solve the above technical problems, the utility model provides a quick mold-changing positioning device including an intermediate support, and the left and right side walls of the intermediate support are both provided with mold-changing devices, and the mold-changing device includes two groove clamps symmetrically arranged front and back, and a first slider is provided between the two groove clamps, and the front and rear side edges of the first slider are respectively slidably connected to the front and rear groove clamps, and the upper and lower ends of the first slider are both installed with roller positioning devices, and an intermediate positioning device is installed in the middle of the first slider.

[0006] With the above structure, the first slide block slides up and down in the two groove clamps to achieve the purpose of rapid mold change; the roller positioning device and the intermediate positioning device realize rapid positioning and alignment of the guide frame.

[0007] Preferably, the roller positioning device comprises a first base mounted on the first slider, two first brackets are horizontally arranged on the upper and lower sides of the first base, and a roller is vertically arranged between the two first brackets, and when the arc plate is welded and placed on the change-over device, the outer diameter of the roller rolls in contact with the side wall of the guide frame transverse plate. The positioning of the guide frame transverse plate is achieved through the rolling contact between the outer diameter of the roller and the side wall of the guide frame transverse plate.

[0008] Preferably, the intermediate positioning device comprises a second base mounted on the first slider, a second bracket is horizontally arranged in the middle of the second base, a positioning shaft horizontally arranged along the left and right directions is rotatably mounted on the upper surface of the second bracket, and when the arc plate is welded and placed on the mold changing device, the outer diameter of the positioning shaft rolls with the bottom surface of the guide frame vertical plate located on the upper part of the first slider. The positioning of the guide frame vertical plate is achieved by the outer diameter of the positioning shaft rolling with the bottom surface of the guide frame vertical plate.

[0009] Preferably, an inverted T-shaped bracket is installed on the upper surface of the second bracket, a through hole is opened on the upper part of the T-shaped bracket, and the positioning shaft is arranged in the through hole. The positioning shaft is arranged in the through hole on the T-shaped bracket, so that the positioning shaft is installed more stably.

[0010] Preferably, the lower surface of the second bracket is provided with reinforcing ribs, and the reinforcing ribs are installed on the second base. The provision of the reinforcing ribs helps to increase the strength of the second bracket.

[0011] Preferably, the cross section of the first slider is a T-shaped structure and the inner sides of the front and rear sides thereof form convex edges, and the sides of the two slot clamps close to the first slider are provided with slots adapted to the convex edges along their length direction, and the convex edges are arranged in the slots and can slide up and down along the slots. By sliding the first slider up and down in the slot clamps, it is convenient to quickly replace the first slider of the corresponding model according to the model of the guide frame.

[0012] Preferably, a slide plate is installed below the intermediate support, a platform is provided below the slide plate, a guide rail is provided on the platform, a second slide block adapted to the guide rail is provided on the lower surface of the slide plate, and the slide plate can slide forward and backward on the guide rail through the second slide block. The intermediate support can slide forward and backward on the guide rail through the slide plate, so that the intermediate support can be easily removed from the bottom of the workpiece, thereby enabling rapid changeover and alignment.

[0013] Preferably, the left and right side walls of the intermediate support are both equipped with a plurality of profile changing devices. The provision of a plurality of profile changing devices enables more accurate positioning of the inner plate of the guide frame.

[0014] In summary, the beneficial effects of the present invention are:

[0015] The device can improve the welding efficiency of the workers' guide frame group, reduce the time used for the tooling to separate from the workpiece, shorten the welding operation cycle, improve the operation efficiency and reduce the production cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The utility model is further described in detail below with reference to the accompanying drawings and specific embodiments:

[0017] Figure 1 A schematic diagram of the structure of a quick-change positioning device of the utility model;

[0018] Figure 2 This is a schematic diagram of the main structure of a quick-change positioning device and a guide frame after being assembled in the utility model;

[0019] Figure 3 It is a structural schematic diagram of a mold changing device (the groove clamp is not shown) in a quick mold changing positioning device of the utility model.

[0020] In the figure: the intermediate support 1, the groove clamp 2, the first slider 3, the roller positioning device 4, the intermediate positioning device 5, the first base 6, the first bracket 7, the roller 8, the arc plate welding 9, the guide frame transverse plate 9-1, the guide frame vertical plate 9-2, the arc plate 9-3, the second base 10, the second bracket 11, the positioning shaft 12, the T-shaped bracket 13, the reinforcing rib 14, the slide plate 15, the platform 16, the guide rail 17, the reinforcing plate 19, the changing device 20, the convex edge 21, and the second slider 22. DETAILED DESCRIPTION

[0021] The following is a further detailed description of the specific implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0022] In the description of the present application, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0023] The terms "first", "second", etc. are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first", "second", etc. may explicitly or implicitly include one or more of the feature. In the description of this application, unless otherwise specified, "plurality" means two or more.

[0024] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0025] The following is a description of preferred embodiments of the present invention in conjunction with the accompanying drawings.

[0026] Refer to the attached Figure 1 The utility model discloses a fast changing type positioning device, the overall structure of which includes an intermediate support 1, and the left and right side walls of the intermediate support 1 are both provided with a changing device 20, the changing device 20 includes two groove clamps 2 symmetrically arranged front and back, a first slider 3 is arranged between the two groove clamps 2, the front and rear sides of the first slider 3 are respectively slidably connected to the front and rear groove clamps 2, and the upper and lower ends of the first slider 3 are both provided with roller positioning devices 4, such as Figure 2 Figure 3 As shown, the roller positioning device 4 includes a first base 6 mounted on the first slider 3 by bolts, two first brackets 7 are horizontally arranged on the upper and lower sides of the first base 6, and a roller 8 is vertically arranged between the two first brackets 7. When the arc plate welding 9 is placed on the changing device 20, the outer diameter of the roller 8 rolls in contact with the side wall of the guide frame cross plate 9-1. The middle of the first slider 3 is installed with an intermediate positioning device 5, as shown in FIG. Figure 2 Figure 3 As shown, the intermediate positioning device 5 includes a second base 10 installed on the first slider 3 by bolts, a second bracket 11 is horizontally arranged in the middle of the second base 10, and a positioning shaft 12 horizontally arranged along the left and right directions is rotatably installed on the upper surface of the second bracket 11. When the arc plate weld 9 is placed on the changing device 20, the outer diameter of the positioning shaft 12 abuts against the bottom surface of the guide frame vertical plate 9-2 located on the upper part of the first slider 3.

[0027] When in use, the slot clamp 2 is provided with a plurality of through holes along the length direction, and a plurality of through holes are also provided at the corresponding position of the intermediate support 1. The slot clamp 2 is installed on the intermediate support 1 by bolts, and then a first slider 3 suitable for the guide frame model is selected and placed in the slot clamp 2. The first slider 3 is installed with a roller positioning device 4 and an intermediate positioning device 5 of corresponding models. After the left and right arc plate welds 9 are placed on the tooling, the roller 8 on the roller positioning device 4 rolls in contact with the side wall of the guide frame transverse plate 9-1, and the outer diameter of the positioning shaft 12 of the intermediate positioning device 5 abuts against the bottom surface of the guide frame vertical plate 9-2 located on the upper part of the arc plate 9-3, so as to position and align the arc plate weld 9, and then spot weld the two arc plate welds 9, and then weld the reinforcing plate 19. Preferably, in order to cope with various degrees of welding deformation of the arc plate weld 9, gaskets are embedded in the contact surfaces between the first base 6 and the first slider 3 and between the second base 10 and the first slider 3.

[0028] As a further explanation of this embodiment, refer to the attached Figure 1 An inverted T-shaped bracket 13 is installed on the upper surface of the second bracket 11. A through hole is opened on the upper part of the T-shaped bracket 13, and the positioning shaft 12 is arranged in the through hole. When in use, the positioning shaft 12 is installed in the through hole of the T-shaped bracket 13, and the positioning shaft 12 can roll in the through hole.

[0029] As a further explanation of this embodiment, refer to the attached Figure 1 A reinforcing rib 14 is provided on the lower surface of the second bracket 11 , and the reinforcing rib 14 is installed on the second base 10 . When in use, the reinforcing rib 14 helps to increase the strength of the second bracket 11 .

[0030] As a further explanation of this embodiment, refer to the attached Figure 1 The first slider 3 has a T-shaped cross section and a convex edge 21 is formed on the inner side of the front and rear sides. The two slot clamps 2 have slots along their lengths on the sides close to the first slider 3. The convex edge 21 is arranged in the slot and can slide up and down along the slot. When in use, the first slider 3 is placed in the slot clamp 2, and the first slider 3 can slide up and down in the slot clamp 2 to achieve rapid changeover.

[0031] As a further explanation of this embodiment, refer to the attached Figure 1 A slide plate 15 is installed under the intermediate support 1, a platform 16 is arranged under the slide plate 15, a guide rail 17 is arranged on the platform 16, and a second slider 22 adapted to the guide rail 17 is arranged on the lower surface of the slide plate 15. The slide plate 15 can slide forward and backward on the guide rail 17 through the second slider 22. After the welding operation is completed, Figure 2As shown, since the contact support between the guide frame and the tooling is mainly completed by the outer diameter of the roller 8 and the positioning shaft 12, the tooling can be detached from the bottom of the guide frame by moving the slide plate 15 on the guide rail 17 to complete an assembly operation. When it is necessary to assemble other types of guide frames, the first slider 3 of the corresponding type can be replaced. At the same time, the first slider 3 is also equipped with a corresponding type of roller positioning device 4 and an intermediate positioning device 5.

[0032] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and substitutions can be made without departing from the technical principle of the present invention. These improvements and substitutions should also be regarded as the protection scope of the present invention.

Claims

1. A quick changeover positioning device, characterized in that The invention comprises an intermediate support (1), wherein both left and right side walls of the intermediate support (1) are provided with a profile changing device (20), wherein the profile changing device (20) comprises two groove clamps (2) symmetrically arranged front and rear, wherein a first slider (3) is arranged between the two groove clamps (2), wherein the front and rear side edges of the first slider (3) are respectively slidably connected to the front and rear groove clamps (2), wherein both upper and lower ends of the first slider (3) are provided with roller positioning devices (4), and an intermediate positioning device (5) is installed in the middle of the first slider (3).

2. The rapid changeover positioning device according to claim 1, characterized in that The roller positioning device (4) comprises a first base (6) mounted on a first slider (3), two first brackets (7) are horizontally arranged on the upper and lower sides of the first base (6), and a roller (8) is vertically arranged between the two first brackets (7). When the arc plate welded (9) is placed on the mold changing device (20), the outer diameter of the roller (8) rolls in contact with the side wall of the guide frame transverse plate (9-1).

3. The rapid changeover positioning device according to claim 2, characterized in that The intermediate positioning device (5) comprises a second base (10) mounted on the first slider (3), a second bracket (11) being horizontally arranged in the middle of the second base (10), a positioning shaft (12) being rotatably mounted on the upper surface of the second bracket (11) and being horizontally arranged in the left-right direction, and when the arc plate welded joint (9) is placed on the mold changing device (20), the outer diameter of the positioning shaft (12) is in rolling contact with the bottom surface of the guide frame vertical plate (9-2) located on the upper part of the first slider (3).

4. The rapid changeover positioning device according to claim 3, characterized in that An inverted T-shaped bracket (13) is mounted on the upper surface of the second bracket (11); a through hole is provided on the upper portion of the T-shaped bracket (13); and the positioning shaft (12) is arranged in the through hole.

5. The rapid changeover positioning device according to claim 4, characterized in that A reinforcing rib (14) is provided on the lower surface of the second bracket (11), and the reinforcing rib (14) is mounted on the second base (10).

6. The rapid changeover positioning device according to claim 1, characterized in that The first sliding block (3) has a T-shaped cross section and has convex edges (21) formed on the inner sides of its front and rear sides. The two groove clamps (2) are provided with grooves matching the convex edges (21) along their length direction on the sides close to the first sliding block (3). The convex edges (21) are arranged in the grooves and can slide up and down along the grooves.

7. The rapid changeover positioning device according to claim 5, characterized in that A slide plate (15) is installed below the intermediate support (1), a platform (16) is arranged below the slide plate (15), a guide rail (17) is arranged on the platform (16), a second slide block (22) adapted to the guide rail (17) is arranged on the lower surface of the slide plate (15), and the slide plate (15) can slide forward and backward on the guide rail (17) via the second slide block (22).

8. The rapid changeover positioning device according to claim 7, characterized in that A plurality of profile changing devices (20) are installed on both the left and right side walls of the intermediate support (1).