Special-shaped part machining and positioning tool

By designing a positioning fixture for irregularly shaped parts with a conveying mechanism and a positioning mechanism, the problem of low adjustment efficiency of positioning fixtures for irregularly shaped parts in the existing technology is solved, and precise positioning and efficient detection of irregularly shaped parts are achieved.

CN224027419UActive Publication Date: 2026-03-24XIAN WENXIANG CNC TOOL CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-02
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

The existing positioning fixtures for machining irregularly shaped parts have low adjustment efficiency, which affects the inspection efficiency.

Method used

A special tooling for machining irregular parts, including a conveying mechanism and a positioning mechanism, was designed. The conveying mechanism is used to convey the irregular parts, and the positioning mechanism is set on both sides of the conveying mechanism. The positioning mechanism drives the clamping block to accurately position the irregular parts through the transmission of gears and racks, and the clamping of the irregular parts is achieved by using an electric cylinder to drive the rack and clamping block.

Benefits of technology

It enables precise positioning of irregularly shaped parts, improves the efficiency of irregularly shaped part inspection and adjustment, ensures that irregularly shaped parts maintain a consistent position during transportation, and facilitates inspection by the inspection agency.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224027419U_ABST
    Figure CN224027419U_ABST
Patent Text Reader

Abstract

The utility model provides a special-shaped part processing and positioning tool, which relates to the technical field of sheet metal part processing, and comprises a frame body, a conveying mechanism arranged on the frame body and used for conveying special-shaped parts, and a positioning mechanism arranged on the frame body and used for positioning the special-shaped parts, the positioning mechanisms are arranged on the two sides of the conveying mechanism, and the two ends, close to the two sides of the conveying mechanism, of the positioning mechanisms are used for abutting against the special-shaped parts conveyed on the conveying mechanism at the same time till the special-shaped parts are completely abutted against the positioning mechanisms. The two ends of the positioning mechanism are used for abutting against the special-shaped pieces conveyed on the conveying mechanism at the same time till the two ends of the positioning mechanism abut against the special-shaped pieces completely, so that accurate positioning of the special-shaped pieces is achieved, and in the process, due to the fact that the positioning mechanism makes contact with one point of each special-shaped piece firstly, the special-shaped pieces can be accurately positioned due to continuous pushing of the positioning mechanism. And the positioning mechanism is enabled to be in contact with more points of the special-shaped part until the two ends of the positioning mechanism abut against each other at the same time and are not pushed any more, so that positioning of one special-shaped part is completed.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to sheet metal part processing technical field, concretely relates to a special-shaped part processing positioning tool. BACKGROUND

[0002] The special-shaped part processing positioning tool is a device or tool for processing complex, irregular or non-standard workpieces (i.e. special-shaped parts) ; in the batch production process of special-shaped parts, the produced special-shaped parts need to be detected at the same time, and since the position of each special-shaped part contacting the conveying belt in the conveying process is different, the detection mechanism needs to be calibrated first and then detected, which will affect the detection efficiency, therefore, the special-shaped part processing positioning tool is needed to keep each special-shaped part on the conveying mechanism in the same position for the detection of the detection mechanism. Chinese patent (publication number CN 219542145 U) discloses a special-shaped part processing positioning device, four groups of electric telescopic rods are fixedly connected outside the bottom plate, the output shaft of the electric telescopic rod drives the insertion plate, the fixed plate, the extrusion plate and the rubber pad to move downward, when the lower side of the special-shaped part is attached to the bottom plate, the rubber block and the positioning rod that are not extruded limit the edge outside of the special-shaped part at this time, multiple electric telescopic rods need to be coordinated at the same time in the process, and the adjustment efficiency is not high, therefore, the utility model provides a special-shaped part processing positioning tool to improve the above problems. SUMMARY

[0003] Therefore, the technical problem to be solved by the utility model is to overcome the defect of low adjustment efficiency of the special-shaped part processing positioning tool in the prior art, so as to provide a special-shaped part processing positioning tool.

[0004] In order to solve the above problems, the utility model provides a special-shaped part processing positioning tool, which comprises:

[0005] A frame body,

[0006] A conveying mechanism arranged on the frame body, the conveying mechanism is used for conveying the special-shaped parts;

[0007] A positioning mechanism arranged on both sides of the conveying mechanism, and the two ends of the positioning mechanism close to both sides of the conveying mechanism are used for abutting and completely abutting the special-shaped parts conveyed on the conveying mechanism at the same time.

[0008] Preferably, the conveying mechanism comprises a pair of V-shaped plates, the pair of V-shaped plates are oppositely arranged, the bottom of the V-shaped plates is connected with the top of the frame body, a pair of rolling cylinders are arranged at the two ends of the pair of V-shaped plates, rotating shafts are arranged at the centers of the rolling cylinders, the two ends of the rotating shafts are rotatably connected with the pair of V-shaped plates respectively, a transmission belt is sleeved between the pair of rolling cylinders, a motor is arranged on the V-shaped plate close to one of the rotating shafts, and the output shaft of the motor is connected with one end of the close rotating shaft.

[0009] Preferably, vertical plates are further arranged on the pair of V-shaped plates respectively, one end of the vertical plate is connected with the middle part of the vertical side of the V-shaped plate, a fixing plate is arranged between the pair of vertical plates, the two ends of the fixing plate are connected with the other end of the vertical plate respectively, and the positioning mechanism is arranged at the bottom of the fixing plate.

[0010] Preferably, the positioning mechanism comprises a gear and a pair of racks, a rotating rod is arranged at the center of the gear, the rotating rod is rotatably connected with the center of the fixing plate, the pair of racks are arranged on the two sides of the gear respectively, one end of the rack close to the gear is engaged with the gear, the other end of the rack extends away from the gear, the other end of the rack is provided with a clamping block, the clamping block extends to the surface of the transmission belt and leaves a gap with the transmission belt.

[0011] Preferably, the positioning mechanism further comprises a pair of sliding rails and sliding blocks, the pair of sliding rails are connected with the top of the fixing plate respectively, the sliding blocks are arranged on the sliding rails in pairs, the two sliding blocks on the pair of sliding rails are provided with mounting plates respectively, one side of the mounting plate is connected with the sliding block, and the other end of the mounting plate is provided with corresponding racks and clamping blocks respectively.

[0012] Preferably, an electric cylinder is arranged close to one of the racks, a mounting hole matched with the electric cylinder is arranged on the vertical plate, the fixed end of the electric cylinder is arranged in the mounting hole, and the telescopic end of the electric cylinder is connected with the close rack.

[0013] The special-shaped part machining positioning tool has the following beneficial effects:

[0014] 1. The utility model discloses a conveying mechanism is set up on the frame body for conveying special-shaped parts, and the positioning mechanism is set up on both sides of the conveying mechanism, and the two ends of the positioning mechanism close to both sides of the conveying mechanism are used for abutting the special-shaped parts conveyed on the conveying mechanism respectively and abutting the special-shaped parts completely to realize the accurate positioning of the special-shaped parts, in the process, as the positioning mechanism contacts a point of the special-shaped parts first, more points of the special-shaped parts are contacted by the continuous pushing of the positioning mechanism until the two ends of the positioning mechanism abut simultaneously and no longer push to complete the positioning of a special-shaped part.

[0015] 2. The utility model discloses still through the bearing of the center of rotation rod and fixed plate realizes the rotary connection, makes the gear can rotate freely around the rotation rod, when one of the racks moves, through the transmission action of the gear, will drive another rack to move to the opposite direction, the other end of rack respectively stretches back to the gear, set up the clamping block respectively on the other end of rack, and the clamping block extends to the surface of transmission belt and has a certain gap with transmission belt, this gap can guarantee that the clamping block locates the special-shaped part under the condition of not contacting transmission belt, also can ensure the smooth conveyance of special-shaped part on transmission belt, makes two clamping blocks act simultaneously to position the special-shaped part after clamping. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the assembly three-dimensional structure schematic diagram of the utility model;

[0017] Figure 2 It is the slider structure installation schematic diagram of the utility model;

[0018] Figure 3 It is the gear structure installation schematic diagram of the utility model;

[0019] Figure 4 It is the installation plate structure installation schematic diagram of the utility model.

[0020] The figure mark shows as follows:

[0021] 1, frame body, 2, the U-shaped plate, 3, rotation shaft, 4, transmission belt, 5, motor, 6, vertical plate, 7, fixed plate, 8, gear, 9, rack, 10, rotation rod, 11, clamping block, 12, slide rail, 13, slider, 14, installation plate, 15, electric cylinder. PREFERRED EMBODIMENT

[0022] As Figures 1-4 shown, the utility model provides a special-shaped part processing positioning tool, it includes:

[0023] frame body 1,

[0024] conveying mechanism, set up on frame body 1, the conveying mechanism is used for conveying special-shaped parts;

[0025] Positioning mechanisms are arranged on both sides of the conveying mechanism and are close to both ends of the positioning mechanisms on both sides of the conveying mechanism for simultaneously abutting the profiled pieces conveyed on the conveying mechanism and until completely abutting the profiled pieces. Figures 1-4 As shown in the drawings, a profiled piece processing positioning tool is used for simultaneously detecting profiled pieces during the generation process of the profiled pieces. For batched profiled pieces, the profiled pieces need to be kept in consistent positions so as to be detected by a detection mechanism (a camera or an infrared sensing device), and the profiled pieces are kept in consistent positions during conveying. The frame body 1 serves as a support base of the entire tool and provides a mounting and fixing platform for the conveying mechanism and the positioning mechanisms. The conveying mechanism is arranged on the frame body 1 and is used for conveying profiled pieces. The positioning mechanisms are arranged on both sides of the conveying mechanism and are close to both ends of the positioning mechanisms on both sides of the conveying mechanism for simultaneously abutting the profiled pieces conveyed on the conveying mechanism and until completely abutting the profiled pieces, so as to realize accurate positioning of the profiled pieces. During the process, since the positioning mechanisms first contact a point of the profiled pieces, the positioning mechanisms contact more points of the profiled pieces due to continuous pushing of the positioning mechanisms, and the positioning mechanisms no longer push after the two ends of the positioning mechanisms simultaneously abut, so as to complete positioning of one profiled piece. Then, the positioning mechanisms are restored to the initial state to position and clamp the profiled piece conveyed on the next conveying mechanism, so as to improve the adjustment efficiency.

[0026] In some embodiments, the conveying mechanism comprises a pair of V-shaped plates 2. The pair of V-shaped plates 2 are oppositely arranged, the bottom of the V-shaped plate 2 is connected with the top of the frame body 1, and a pair of rolling cylinders are arranged at both ends of the pair of V-shaped plates 2. The center of the rolling cylinder is provided with a rotating shaft 3, both ends of the rotating shaft 3 are rotationally connected with the pair of V-shaped plates 2, a transmission belt 4 is sleeved between the pair of rolling cylinders, a motor 5 is arranged on the V-shaped plate 2 close to one end of the rotating shaft 3, and the output shaft of the motor 5 is connected with one end of the rotating shaft 3 close to the motor 5. Figures 1-4 As shown in the drawings, the bottom of the V-shaped plate 2 is firmly connected with the top of the frame body 1, which can be bonding or bolt connection. Both ends of the rotating shaft 3 are rotationally connected with the pair of V-shaped plates 2 through bearings to ensure that the rolling cylinder can rotate flexibly. The rolling cylinder drives the transmission belt 4 to run through rotation, so as to realize conveying of the profiled pieces. The connection between the motor 5 and the V-shaped plate 2 can be bonding or bolt connection. The motor 5 is commercially available. The output shaft of the motor 5 is tightly connected with one end of the rotating shaft 3 close to the motor 5 through a shaft coupling. The motor 5 serves as a power source and provides power for operation of the conveying mechanism. When the motor 5 is started, the output shaft drives the rotating shaft 3 to rotate, and then drives the rolling cylinder and the transmission belt 4 to run, so as to convey the profiled pieces placed on the transmission belt 4.

[0027] In some embodiments, a pair of the U-shaped plates 2 are further respectively provided with vertical plates 6, one end of the vertical plate 6 is connected with the middle part of the vertical edge of the U-shaped plate 2, a pair of the vertical plates 6 are provided with a fixed plate 7, both ends of the fixed plate 7 are respectively connected with the other end of the vertical plate 6, and the positioning mechanism is arranged at the bottom of the fixed plate 7. Figures 1-4 As shown in the figure, one end of the vertical plate 6 is fixedly connected with the middle part of the vertical edge of the U-shaped plate 2 by welding or bolt connection, a pair of the vertical plates 6 are provided with a fixed plate 7, both ends of the fixed plate 7 are fixedly connected with the other end of the vertical plate 6 by welding or bolt connection, and the positioning mechanism is arranged at the bottom of the fixed plate 7. Through the arrangement of the vertical plate 6 and the fixed plate 7, a stable installation foundation is provided for the positioning mechanism, so as to ensure the stability and reliability of the positioning mechanism in the working process.

[0028] In some embodiments, the positioning mechanism comprises a gear 8 and a pair of racks 9, the center of the gear 8 is provided with a rotating rod 10, the rotating rod 10 is rotatably connected with the center of the fixed plate 7, a pair of the racks 9 are respectively located on both sides of the gear 8, one end of the rack 9 is engaged with the gear 8, the other end of the rack 9 extends away from the gear 8, the other end of the rack 9 is provided with a clamping block 11, and the clamping block 11 extends to the surface of the transmission belt and leaves a gap with the transmission belt. Figures 1-4 As shown in the figure, the rotating rod 10 is rotatably connected with the center of the fixed plate 7 through a bearing, so that the gear 8 can freely rotate around the rotating rod 10. When one of the racks 9 moves, the other rack 9 will move in the opposite direction through the transmission of the gear 8. The other end of the rack 9 extends away from the gear 8, and the clamping block 11 is arranged at the other end of the rack 9. The clamping block 11 extends to the surface of the transmission belt and leaves a certain gap with the transmission belt. The gap can not only ensure that the clamping block 11 can position the special-shaped part without contacting the transmission belt, but also ensure the smooth conveying of the special-shaped part on the transmission belt. The two clamping blocks 11 act at the same time to facilitate the clamping and positioning of the special-shaped part.

[0029] In some embodiments, the positioning mechanism further comprises a pair of sliding rails 12 and a sliding block 13, a pair of the sliding rails 12 are respectively connected with the top of the fixed plate 7, a pair of the sliding blocks 13 are respectively arranged on the sliding rail 12, a mounting plate 14 is arranged between the two sliding blocks 13 on a pair of the sliding rails 12, one side of the mounting plate 14 is connected with the sliding block 13, and the other end of the mounting plate 14 is provided with corresponding racks 9 and clamping blocks 11. Figures 1-4As shown, a pair of slide rails 12 are fixedly connected with the top of the fixed plate 7 through bolts and other connecting members, and a pair of sliding blocks 13 are arranged on the slide rails 12 respectively, and the mounting plates 14 are arranged between the two sliding blocks 13 on the pair of slide rails 12 respectively, one side of the mounting plate 14 is tightly connected with the sliding block 13, and the other end of the mounting plate 14 is provided with the corresponding rack 9 and the clamping block 11 respectively, and the cooperation of the slide rails 12 and the sliding blocks 13 makes the rack 9 and the clamping block 11 more stable during movement, and improves the positioning accuracy and reliability.

[0030] In some embodiments, an electric cylinder 15 is arranged close to one of the racks 9, the vertical plate 6 is provided with a mounting hole matched with the electric cylinder 15, the fixed end of the electric cylinder 15 is arranged in the mounting hole, and the telescopic end of the electric cylinder 15 is connected with the close rack 9. Figures 1-4 As shown, the electric cylinder 15 is commercially available, the fixed end of the electric cylinder 15 is fixedly arranged in the vertical plate 6 through the mounting hole, and the telescopic end of the electric cylinder 15 is connected with the close rack 9, which can be that the telescopic end of the electric cylinder 15 is connected with a telescopic block, and the telescopic block is connected with the rack 9, when the electric cylinder 15 is started, the telescopic movement of the telescopic end of the electric cylinder 15 can drive the connected rack 9 to move, and then drive the other rack 9 and the clamping block 11 to move through the transmission of the gear 8 and the transmission belt 4, so as to realize the clamping positioning or loosening operation of the two clamping blocks 11 on the special-shaped part at the same time, so that the two clamping blocks 11 move to the special-shaped part at the same time until completely abutting against the special-shaped part, and the accurate positioning of the special-shaped part is realized.

[0031] The above only describes the preferred embodiments of the present application, and should be pointed out that, for the ordinary skilled in the art, without departing from the technical principles of the present application, a number of improvements and modifications can be made, and these improvements and modifications should be regarded as the protection scope of the present application.

Claims

1. A positioning fixture for machining irregularly shaped parts, characterized in that, include: Frame, A conveying mechanism, mounted on the frame, is used to convey irregularly shaped parts; Positioning mechanisms are disposed on both sides of the conveying mechanism. The two ends of the positioning mechanisms, which are close to both sides of the conveying mechanism, are used to simultaneously abut against the irregularly shaped parts conveyed on the conveying mechanism until they are completely abutted against the irregularly shaped parts.

2. The positioning fixture for machining irregularly shaped parts according to claim 1, characterized in that: The conveying mechanism includes: a pair of U-shaped plates, which are arranged opposite to each other and the bottom of the U-shaped plates is connected to the top of the frame. A pair of rolling drums are provided at both ends of the pair of U-shaped plates. A rotating shaft is provided at the center of the rolling drums. The two ends of the rotating shaft are rotatably connected to the pair of U-shaped plates respectively. A transmission belt is sleeved between the pair of rolling drums. A motor is provided on the U-shaped plate near one of the rotating shafts. The output shaft of the motor is connected to one end of the rotating shaft near the motor.

3. The positioning fixture for machining irregularly shaped parts according to claim 2, characterized in that: Vertical plates are also provided on each of the pair of U-shaped plates. One end of each vertical plate is connected to the middle of the vertical edge of the U-shaped plate. A fixing plate is provided between the pair of vertical plates. Both ends of the fixing plate are connected to the other ends of the vertical plates. The positioning mechanism is provided at the bottom of the fixing plate.

4. The irregular part machining positioning fixture according to claim 3, characterized in that: The positioning mechanism includes a gear and a pair of racks. A rotating rod is provided at the center of the gear. The rotating rod is rotatably connected to the center of the fixed plate. The pair of racks are located on both sides of the gear, and the ends of the racks close to the gear mesh with the gear. The other ends of the racks extend away from the gear. The other ends of the racks are provided with clamping blocks, which extend toward the surface of the transmission belt and leave a gap with the transmission belt.

5. The irregular part machining positioning fixture according to claim 4, characterized in that: The positioning mechanism further includes: a pair of slide rails and sliders, the pair of slide rails being connected to the top of the fixed plate respectively, a pair of sliders being provided on the slide rails respectively, and a mounting plate being provided between the two sliders on the pair of slide rails respectively, one side of the mounting plate being connected to the slider respectively, and the other end of the mounting plate being provided with the corresponding rack and clamping block respectively.

6. The irregular part machining positioning fixture according to claim 5, characterized in that: An electric cylinder is disposed near one of the racks. The vertical plate is provided with a mounting hole adapted to the electric cylinder. The fixed end of the electric cylinder is disposed in the mounting hole, and the telescopic end of the electric cylinder is connected to the adjacent rack.

Citation Information

Patent Citations

  • Special-shaped part machining and positioning equipment

    CN219542145U