Position-adjustable positioning pin

Abstract

The utility model discloses a position-adjustable positioning pin, which belongs to the technical field of positioning pins, and comprises a mounting seat mounted on a workbench, a placement through groove is arranged on the mounting seat, a movable pin shaft is mounted on the placement through groove, a fixed plate is connected onto the movable pin shaft, a movable block is mounted at the lower end of the movable pin shaft, and the movable block is connected with the movable pin shaft. The movable block is in a convex shape, two limiting barrier strips for preventing the movable block from being disengaged from the upper portion of the containing through groove are arranged on the inner side wall of the containing through groove, a transverse tooth row is arranged at the bottom of the containing through groove, and two longitudinal tooth rows are symmetrically distributed on the two sides of the transverse tooth row; the lower end of the moving block is provided with transverse ratchets and longitudinal ratchets which are matched with the transverse tooth row and the longitudinal tooth row respectively, the transverse tooth row is perpendicular to the longitudinal tooth row, the position of a positioning pin can be conveniently adjusted, and production efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to positioning pin technical field, concretely relates to a position adjustable positioning pin. BACKGROUND

[0002] Positioning pin usually plays an important role in the mechanical processing positioning, in the process of making, part of the workpiece will cause the deviation of the punching position needing positioning and the installation position of the positioning pin due to the springback of itself, and the position of the positioning pin applied in different processes also needs to be adjusted according to the working condition.

[0003] The existing positioning pin is usually fixed on the corresponding position of the workbench, even if it is a detachable positioning pin, due to the fixed installation hole position, the installation position cannot be adjusted. When coping with the situation that different processes produce or the workpiece springback does not correspond to the punching position, the original positioning pin can only be removed, and the positioning pin is installed by punching a new hole, which is complicated and reduces the production efficiency.

[0004] In view of the problems existing in the prior art, the utility model designs and manufactures a position adjustable positioning pin to overcome the above defects. UTILITY MODEL CONTENTS

[0005] For the problems existing in the prior art, the utility model provides a position adjustable positioning pin, which is convenient for adjusting the position of the positioning pin and improves the production efficiency.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme: a position adjustable positioning pin, which comprises a mounting seat mounted on a workbench, a placing through slot is arranged on the mounting seat, a movable pin shaft is mounted on the placing through slot, and a fixing plate capable of being fixed on the workbench is connected to the movable pin shaft;

[0007] The lower end of the movable pin shaft is provided with a moving block, the moving block is in the shape of a Chinese character "K", and two limiting bars are arranged on the inner wall of the placing through slot to prevent the moving block from falling out of the placing through slot;

[0008] The bottom of the placing through slot is provided with a horizontal tooth row, two longitudinal tooth rows are symmetrically arranged on the two sides of the horizontal tooth row, and the lower end of the moving block is provided with a horizontal ratchet and a longitudinal ratchet matched with the horizontal tooth row and the longitudinal tooth row respectively;

[0009] The horizontal tooth row and the longitudinal tooth row are perpendicular to each other, when the horizontal ratchet moves along the length direction of the horizontal tooth row, the longitudinal ratchet slides relative to the longitudinal tooth row, and when the longitudinal ratchet moves along the width direction of the horizontal tooth row, the horizontal ratchet slides relative to the horizontal tooth row.

[0010] Preferably, the transverse tooth rows and the longitudinal tooth rows are both formed by equidistantly arranging a plurality of sawteeth.

[0011] Preferably, the fixing plate comprises a connecting section and a fixing section, one end of the connecting section is connected with the moving block, and the other end of the connecting section is connected with the fixing section.

[0012] The fixing section is provided with a mounting hole, a bolt is mounted on the mounting hole, and the fixing section is fixed on the workbench through the bolt.

[0013] Preferably, the mounting hole is a round-corner triangular hole, the area of the bolt nut is larger than that of the mounting hole, and the cross-sectional area of the bolt rod is smaller than that of the mounting hole.

[0014] Preferably, the moving block comprises a bottom block and an intermediate block, the upper end of the intermediate block is connected with the movable pin shaft, and the lower end of the intermediate block is connected with the bottom block.

[0015] The connecting section is mounted on the intermediate block, and the connecting section can extend into the placing through slot.

[0016] Preferably, the width of the connecting section and the intermediate block is smaller than the width of the placing through slot.

[0017] Preferably, the thickness of the bottom block is smaller than the distance from the lower end face of the limiting baffle to the bottom of the placing through slot.

[0018] Preferably, one side of the bottom block and the placing through slot in contact with each other is respectively provided with an upper insertion plate and a lower insertion plate.

[0019] The transverse ratchet teeth and the longitudinal ratchet teeth are located on the side of the upper insertion plate close to the lower insertion plate, and the transverse tooth rows and the longitudinal tooth rows are located on the side of the lower insertion plate close to the upper insertion plate.

[0020] Preferably, the upper insertion plate and the lower insertion plate are respectively detachably mounted on the bottom block and the placing through slot.

[0021] The beneficial effects of the utility model lie in:

[0022] 1、The utility model discloses a movable pin shaft is installed on the mounting seat, and the both can move relatively, and the movable pin shaft is fixed to the movable pin shaft by installing the fixing plate, and when adjusting, only needs to loosen the bolt, so that the position adjustment is more convenient, and the production efficiency is improved.

[0023] 2、The utility model discloses that the transverse tooth rows and the longitudinal tooth rows are both formed by equidistantly arranging a plurality of sawteeth, and since the distance between each sawtooth is equal, the position of the movable pin shaft can be accurately adjusted, the adjusting precision is improved, the error is reduced, and the adjusting efficiency is improved.

[0024] 3、The utility model discloses a detachable installation of upper and lower plug -in boards on the bottom block and the placing through slot, when the horizontal ratchet, longitudinal ratchet, horizontal tooth row and longitudinal tooth row are damaged, the two can be individually disassembled and replaced, reducing the later maintenance cost and improving the maintenance efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is an isometric view of the positioning pin of the utility model;

[0026] Figure 2 It is a sectional view of the positioning pin of the utility model;

[0027] Figure 3 It is an isometric view of the movable pin shaft of the positioning pin of the utility model;

[0028] Figure 4 It is an isometric view of the mounting seat of the positioning pin of the utility model;

[0029] Figure 5 It is a cooperation schematic view of the upper and lower plug -in boards of the positioning pin of the utility model.

[0030] In the drawing: 1 - fixed plate, 2 - round angle triangle hole, 3 - connecting section, 4 - movable pin shaft, 5 - moving block, 6 - placing through slot, 7 - limiting baffle, 8 - mounting seat, 9 - fixed section, 10 - bolt, 11 - upper plug -in board, 12 - lower plug -in board, 13 - horizontal ratchet, 14 - longitudinal tooth row, 15 - longitudinal ratchet, 16 - middle block, 17 - bottom block, 18 - horizontal tooth row. DETAILED DESCRIPTION

[0031] In order to facilitate the person skilled in the art to understand, the utility model is further explained below in combination with the drawings.

[0032] As Figures 1-5 The utility model discloses a positioning pin of adjustable position, including the mounting seat 8 of installation on the workbench, be equipped with the placing through slot 6 on the mounting seat 8, the movable pin shaft 4 is installed on the placing through slot 6, the fixed plate 1 of being able to fixed on the workbench is connected on the movable pin shaft 4, according to the position of need positioning adjusts the movable pin shaft 4. After adjusting, through the fixed plate 1 fixed, realizes the positioning of positioning pin.

[0033] The lower end of the movable pin shaft 4 of the utility model is provided with a moving block 5, and the moving block 5 is in the shape of a Chinese character "N", two limiting baffle 7 are arranged on the inner wall of the placing through slot 6 to prevent the moving block 5 from falling out of the placing through slot 6. The lower end surface of the movable pin shaft 4 can abut against the upper end surface of the limiting baffle 7. During the movement of the movable pin shaft 4, the movable pin shaft 4 is supported by the limiting baffle 7.

[0034] The utility model discloses movable block 5 includes bottom block 17 and intermediate block 16, and the upper end of intermediate block 16 is connected with movable pin shaft 4, and the lower end of intermediate block 16 is connected with bottom block 17, and fixed plate 1 includes connecting section 3 and fixed section 9, and one end of connecting section 3 is connected with movable block 5, and the other end of connecting section 3 is connected with fixed section 9.

[0035] Specifically, the connecting section 3 of the fixed plate 1 is installed on the intermediate block 16, so that the fixed plate 1 can be linked with the movable block 5. The connecting section 3 can extend into the placement slot 6, and the width of the connecting section 3 and the intermediate block 16 is less than the width of the placement slot 6, so that the connecting end will not interfere with the movement of the movable block 5.

[0036] The fixed section 9 is provided with a mounting hole, and a bolt 10 is mounted on the mounting hole. The mounting hole is a round corner triangular hole 2. The nut area of the bolt 10 is greater than the area of the mounting hole, and the cross-sectional area of the screw rod of the bolt 10 is less than the area of the mounting hole. The fixed section 9 is fixed on the workbench through the bolt 10.

[0037] Specifically, when adjusting the position of the movable pin shaft 4, the bolt 10 only needs to be loosened, and the position of the movable pin shaft 4 can be adjusted. During adjustment, the bolt 10 can move relative to the round corner triangular hole 2, and the bolt 10 will not interfere with the position adjustment of the movable pin shaft 4, so that the position adjustment is more convenient, and the production efficiency is improved.

[0038] The bottom of the placement slot 6 is provided with a transverse tooth row 18, and two longitudinal tooth rows 14 are symmetrically distributed on both sides of the transverse tooth row 18. The lower end of the movable block 5 is provided with a transverse ratchet 13 and a longitudinal ratchet 15 which cooperate with the transverse tooth row 18 and the longitudinal tooth row 14 respectively.

[0039] Specifically, the transverse tooth row 18 and the longitudinal tooth row 14 are both composed of a plurality of sawteeth arranged at equal intervals. The distance between each sawtooth is controlled within 0.1mm, which facilitates fine adjustment of the movable pin shaft 4 and improves the accuracy of adjustment and reduces errors.

[0040] The thickness of the bottom block 17 is less than the distance from the lower end surface of the limiting baffle 7 to the bottom of the placement slot 6. When the fixed plate 1 is not fixed, the bottom block 17 can move up and down in the space between the limiting baffle 7 and the bottom of the placement slot 6. The distance between the bottom of the placement slot 6 and the bottom of the movable block 5 is easily pulled apart. When the movable block 5 moves, the ratchet can move up by a certain amplitude relative to the tooth row.

[0041] Specifically, after the position is adjusted and the bolt 10 is tightened, the fixed section 9 can be tightly abutted on the workbench. At this time, the movable block 5 linked with the connecting section 3 also moves down, fixing the fixed plate 1 on the workbench. Pressing down the movable block 5 makes it unable to move up, so that the movable block 5 is locked and cannot move to complete positioning.

[0042] Specifically, the transverse tooth rows 18 and the longitudinal tooth rows 14 are perpendicular to each other, when the transverse ratchet teeth 13 move along the length direction of the transverse tooth rows 18, the longitudinal ratchet teeth 15 slide relative to the longitudinal tooth rows 14; when the longitudinal ratchet teeth 15 move along the width direction of the transverse tooth rows 18, the transverse ratchet teeth 13 slide relative to the transverse tooth rows 18, and the movement in the two directions does not interfere with each other.

[0043] The utility model discloses bottom block 17 and the one side of placing through slot 6 contact each other installs upper plug -in board 11 and lower plug -in board 12 respectively, and transverse ratchet teeth 13 and longitudinal ratchet teeth 15 are located on the one side of upper plug -in board 11 close to lower plug -in board 12, and transverse tooth rows 18 and longitudinal tooth rows 14 are all located on the one side of lower plug -in board 12 close to upper plug -in board 11.

[0044] Specifically, the upper plug-in board 11 and the lower plug-in board 12 are detachably installed on the bottom block 17 and the placing through slot 6, when the transverse ratchet teeth 13, the longitudinal ratchet teeth 15, the transverse tooth rows 18 and the longitudinal tooth rows 14 are damaged, the two can be conveniently individually disassembled and replaced, the maintenance cost in the later period is reduced, and the maintenance efficiency is improved.

[0045] It should be understood that the use of these embodiments is only for illustrating the utility model and is not intended to limit the protection scope of the utility model. In addition, it should also be understood that after reading the technical content of the utility model, those skilled in the art can make various changes, modifications and / or variations to the utility model, and all these equivalent forms also fall within the protection scope defined by the claims attached to the present application.

Claims

1. A positionally adjustable dowel pin characterized by, It includes the mounting seat (8) installed on the workbench, the placing through slot (6) is equipped on the mounting seat (8), the movable pin shaft (4) is installed on the placing through slot (6), the movable pin shaft (4) is connected with the fixed plate (1) that can be fixed on the workbench; The lower end of the movable pin shaft (4) is provided with a moving block (5), the moving block (5) is a convex letter shape, the inner wall of the placing through slot (6) is provided with two limiting baffle strips (7) to avoid the moving block (5) from being taken off from the placing through slot (6); The bottom of the placing through slot (6) is provided with a transverse tooth row (18), the two sides of the transverse tooth row (18) are symmetrically provided with two longitudinal tooth rows (14), the lower end of the moving block (5) is respectively provided with a transverse ratchet (13) and a longitudinal ratchet (15) matched with the transverse tooth row (18) and the longitudinal tooth row (14). The transverse tooth row (18) and the longitudinal tooth row (14) are perpendicular to each other, when the transverse ratchet (13) moves along the length direction of the transverse tooth row (18), the longitudinal ratchet (15) slides relative to the longitudinal tooth row (14), when the longitudinal ratchet (15) moves along the width direction of the transverse tooth row (18), the transverse ratchet (13) slides relative to the transverse tooth row (18).

2. A position adjustable dowel pin according to claim 1 wherein, The transverse tooth row (18) and the longitudinal tooth row (14) are both composed of a plurality of sawteeth arranged at equal intervals.

3. A position adjustable dowel pin according to claim 1 wherein, The fixed plate (1) includes a connecting section (3) and a fixed section (9), one end of the connecting section (3) is connected with the moving block (5), the other end of the connecting section (3) is connected with the fixed section (9); The fixed section (9) is provided with a mounting hole, the mounting hole is provided with a bolt (10), and the fixed section (9) is fixed on the workbench through the bolt (10).

4. A position adjustable dowel pin according to claim 3 wherein, The mounting hole is a round corner triangular hole (2), the nut area of the bolt (10) is larger than the area of the mounting hole, and the cross-sectional area of the screw rod of the bolt (10) is smaller than the area of the mounting hole.

5. A position adjustable dowel pin according to claim 3 wherein, The moving block (5) includes a bottom block (17) and an intermediate block (16), the upper end of the intermediate block (16) is connected with the movable pin shaft (4), and the lower end of the intermediate block (16) is connected with the bottom block (17); The connecting section (3) is installed on the intermediate block (16), and the connecting section (3) can extend into the placing through slot (6).

6. A position adjustable dowel pin according to claim 5 wherein, The width of the connecting section (3) and the intermediate block (16) is smaller than the width of the placing through slot (6).

7. A position adjustable dowel pin as defined in claim 5 wherein, The thickness of the bottom block (17) is smaller than the distance from the lower end surface of the limiting baffle strip (7) to the bottom of the placing through slot (6).

8. A position adjustable dowel pin as defined in claim 5 wherein, The bottom block (17) and the placing through slot (6) are respectively provided with an upper insertion plate (11) and a lower insertion plate (12) on the surface in contact with each other. The transverse ratchet (13) and the longitudinal ratchet (15) are located on the surface of the upper insertion plate (11) close to the lower insertion plate (12), and the transverse tooth row (18) and the longitudinal tooth row (14) are located on the surface of the lower insertion plate (12) close to the upper insertion plate (11).

9. A position adjustable dowel pin according to claim 8 wherein, The upper plug-in plate (11) and the lower plug-in plate (12) are respectively detachably installed on the bottom block (17) and the placing through slot (6).

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