CN218946556U

CN218946556U - Workpiece clamp and stock bin

Info

Publication number: CN218946556U
Application number: CN202220939123.1U
Authority: CN
Inventors: 龙腾宇; 邹俊; 黄平
Original assignee: Guangzhou Dagan Intelligent Equipment Co ltd
Current assignee: Guangzhou Dagan Intelligent Equipment Co ltd
Priority date: 2022-04-21
Filing date: 2022-04-21
Publication date: 2023-05-02
Anticipated expiration: 2032-04-21

Abstract

The utility model relates to the field of intelligent machining and discloses a workpiece clamp and a bin, wherein the workpiece clamp comprises a mounting part, a clamping column and a clamping seat which are sequentially arranged from top to bottom, the mounting part is used for being mounted on a spark machine head, the cross section of the clamping column is regular quadrangle, the clamping seat is used for clamping a workpiece, and the bin comprises a bin main body, a mechanical arm and a rotating mechanism besides the workpiece clamp. The beneficial effects of the utility model are as follows: the clamping columns can clamp from four directions, namely front, back, left and right, the workpiece clamp can be smoothly arranged on the head of the spark machine after rotating by a multiple angle of 90 degrees through the rotating mechanism, and the spark machine can be provided with machining shapes with different angles, so that the process requirements are met.

Description

Workpiece clamp and stock bin

Technical Field

The utility model relates to the field of intelligent machining, in particular to a workpiece clamp and a bin.

Background

The workpiece clamp is a clamp special for clamping workpieces, is placed in a stock bin together with the clamped workpieces at ordinary times, and is manually taken out and installed on a spark machine when a mark needs to be made on a part. At present, along with the improvement of automatic processing demands, many manufacturers choose to adopt the manipulator to replace the manual work to carry out the material loading, but the direction of putting of work piece anchor clamps in the feed bin is different, and conventional work piece anchor clamps grip post position is flat mouthful shape, hardly utilizes the manipulator to get up work piece anchor clamps centre gripping. Meanwhile, many spark machine heads at present do not have the function of rotation, the direction of the feeding of the manipulator, which is arranged on the spark machine heads, is fixed, and the function of forming machining shapes with different angles on parts cannot be met. Therefore, a workpiece holder and a magazine are needed to solve the above-mentioned problems.

Disclosure of Invention

The utility model aims at providing a work piece holder and feed bin, set up the clamping position of work piece holder into regular tetragonal structure, be convenient for the manipulator to carry out the centre gripping from each direction, and set up rotary mechanism in the feed bin, make work piece holder rotate 90 times angles, can change the direction of processing of work piece when being convenient for the manipulator centre gripping, satisfy the technological requirement at four quadrant angles.

The purpose of the application is realized through the following technical scheme:

a workpiece holder, comprising: the device comprises a mounting part, a clamping column and a clamping seat which are sequentially arranged from top to bottom, wherein the mounting part is used for being mounted on a spark machine head, the cross section of the clamping column is regular quadrangle, and the clamping seat is used for clamping a workpiece;

the installation department includes from last limit bolt, expansion link and the erection column that sets gradually down, the expansion link cover is located the upper portion of erection column, limit bolt threaded connection in the erection column supports the top of expansion link, the middle part solid fixed ring of erection column is equipped with the fixed plate, the expansion link with inject the fixed slot between the fixed plate, the fixed slot is used for the fixed joint in the spark machine aircraft nose.

In some embodiments of the present application, the mounting portion includes a bin securing post, the bin securing post is located the lower part of mounting portion, the bin securing post is used for fixed mounting in the feed bin.

In some embodiments of the present application, the device further comprises a positioning sheet and four positioning columns, wherein the positioning sheet is connected to the top of the clamping seat, four positioning grooves are uniformly spaced in the circumferential direction of the positioning sheet, and the positioning columns are uniformly spaced in the circumferential direction and connected to the top of the positioning sheet.

In some embodiments of the present application, the sealing device further comprises a sealing ring, wherein the sealing ring is arranged at the bottom of the mounting portion.

A silo, comprising: the spark machine comprises a bin main body, a manipulator, a rotating mechanism and the workpiece clamp, wherein the workpiece clamp is arranged in the bin main body, and the manipulator is used for taking the workpiece clamp off the bin main body and rotating the workpiece clamp through the rotating mechanism and then mounting the workpiece clamp on a spark machine head;

the rotary mechanism comprises a mounting plate, a driving mechanism, a speed reducer and a chuck, wherein the mounting plate is fixedly connected to the bin main body, the driving mechanism and the speed reducer are fixedly connected to the mounting plate, the power output end of the driving mechanism is connected to the power input end of the speed reducer, the power output end of the speed reducer is connected to the central position of the chuck, the central position of the chuck is provided with a mounting position, and the mounting position is connected with the mounting part in a matched manner.

In some embodiments of the present application, the rotating mechanism further comprises a zero sensor mounted on the mounting plate and located on the outer side of the chuck for returning the rotating mechanism to an initial position after the power is off from the bin.

In some embodiments of the present application, the rotation mechanism further comprises a clamp sensor mounted on the mounting plate and located below the chuck for detecting the mounting of the workpiece clamp.

In some embodiments of the present application, four positioning blocks are uniformly spaced on the bottom circumference of the chuck, four positioning protrusions are uniformly spaced on the bottom circumference of the chuck, and positioning columns corresponding to the positioning blocks and positioning grooves corresponding to the positioning protrusions are arranged on the top of the clamping seat.

The utility model provides a work piece holder and feed bin, set up the cross section of the grip post of work piece holder into regular quadrangle, make the clamping device of work piece holder can follow four direction centre gripping, be convenient for the manipulator take out the work piece holder of different putting directions in the feed bin, and before the work piece holder is loaded through the manipulator centre gripping in the feed bin, can be according to the reference angle of work piece on the current spark machine, the rotatory work piece of control rotary mechanism arrives corresponding position, carry out the material loading operation again, rotary mechanism presss from both sides the work piece holder and rotates the multiple of 90, clamping device can clip the work piece holder after having not only guaranteed to stop rotating, and the direction of working of work piece has been changed, make the spark machine can beat the processing shape of different angles, satisfy the requirement on the technology.

Drawings

FIG. 1 is a perspective view of a silo and a spark machine of the present solution;

FIG. 2 is a perspective view of a work holder of the present embodiment;

FIG. 3 is a front view of the workholding fixture of the present solution;

FIG. 4 is a cross-sectional view of section A-A of FIG. 3;

FIG. 5 is a schematic view of the structure of the manipulator of the present embodiment when clamping a workpiece holder;

FIG. 6 is a cross-sectional view of the clamping position of FIG. 5;

fig. 7 is a perspective view of the rotation mechanism of the present embodiment;

fig. 8 is a front view of the rotation mechanism of the present embodiment;

FIG. 9 is a cross-sectional view of section B-B of FIG. 8;

FIG. 10 is a perspective view of the assembly structure of the workpiece holder and chuck of the present embodiment;

FIG. 11 is a side view of the assembly of the workpiece holder and chuck of the present embodiment;

fig. 12 is a cross-sectional view of section C-C of fig. 11.

In the figure, 1, an installation part; 2. a clamping column; 3. a clamping seat; 4. a limit bolt; 5. a movable ring; 6. a mounting column; 7. a fixing plate; 8. a fixing groove; 9. a bin fixing column; 10. a positioning sheet; 11. positioning columns; 12. a positioning groove; 13. a seal ring; 14. a stock bin main body; 15. a manipulator; 16. a rotation mechanism; 161. a mounting plate; 162. a driving mechanism; 163. a speed reducer; 164. a chuck; 165. a mounting position; 166. a zero sensor; 167. a clamp sensor; 168. a positioning block; 169. positioning the protrusion.

Detailed Description

The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model and are not intended to limit the scope of the utility model.

In the description of the present application, it should be understood that the use of the terms "upper," "lower," "top," "bottom," "inner," "outer," "middle," and the like in this application indicates an orientation or a positional relationship based on that shown in the drawings, merely for convenience in describing the present utility model and simplifying the description, and does not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

As shown in fig. 2-6, a first aspect of an embodiment of the present application proposes a workpiece holder comprising: the device comprises a mounting part 1, a clamping column 2 and a clamping seat 3 which are sequentially arranged from top to bottom, wherein the mounting part 1 is used for being mounted on a spark machine head, the cross section of the clamping column 2 is regular quadrangle, and the clamping seat 3 is used for clamping a workpiece;

the installation department 1 includes from last stop bolt 4, expansion link 5 and the erection column 6 that set gradually down, expansion link 5 cover is located the upper portion of erection column 6, stop bolt 4 threaded connection in erection column 6 and support and press the top of expansion link 5, the fixed ring in middle part of erection column 6 is equipped with fixed plate 7, expansion link 5 with inject between the fixed plate 7 and form fixed slot 8, fixed slot 8 is used for fixed joint in the spark machine aircraft nose.

Based on the above technical scheme, the cross section of the clamping column 2 of the workpiece clamp is set to be regular quadrangle, so that the clamping device of the workpiece clamp can clamp from four directions. The outer side of the clamping seat 3 is provided with an RFID chip, RFID is a radio frequency identification technology, and the RFID chip can assist the manipulator 15 to identify different workpiece clamps in the storage bin, so that automatic production is completed. The side length of the cross section of the clamping column 2 is 10 mm-14 mm, preferably 12mm. The cross section of the regular quadrilateral clamping column 2 is convenient to clamp, and can still be clamped by the clamping jaw after rotating for 90 degrees, so that the process requirements are well met. The installation department 1 cooperates with fixture on the spark machine aircraft nose through the fixed slot 8 that forms between expansion ring 5 and the fixed plate 7, with work piece anchor clamps joint on the spark machine aircraft nose, the bottom of expansion ring 5 is the inclined plane setting, and this inclined plane reduces from outside to inside gradually, is favorable to installation and joint. The movable ring 5 is subjected to friction by the clamping mechanism and needs to be replaced frequently for machining accuracy. The limiting bolt 4 presses the movable ring 5 against the mounting column 6 from the upper side, so that the movable ring 5 is prevented from moving up and down.

In some embodiments of the present application, as shown in fig. 2 and 3, the mounting portion 1 includes a bin fixing column 9, where the bin fixing column 9 is disposed at a lower portion of the mounting portion 1, and the bin fixing column 9 is used for being fixedly mounted in a bin. The bin fixing column 9 can enable the workpiece clamp to be placed in the bin, and taken out to work when needed.

In some embodiments of the present application, as shown in fig. 2-4, the positioning device further includes a positioning sheet 10 and four positioning columns 11, the positioning sheet 10 is connected to the top of the clamping seat 3, four positioning grooves 12 are uniformly spaced circumferentially on the positioning sheet 10, and the positioning columns 11 are uniformly spaced circumferentially and connected to the top of the positioning sheet 10. The positioning groove 12 and the positioning column 11 can be matched and positioned with the spark machine head, and the positioning groove 12 and the positioning column 11 are arranged at an interval of 90 degrees, so that the workpiece clamp can still realize the positioning function after rotating by a multiple angle of 90 degrees.

In some embodiments of the present application, as shown in fig. 2 and 3, the sealing ring 13 is further included, where the sealing ring 13 is disposed at the bottom of the mounting portion 1. The sealing ring 13 is preferably an O-ring, can be matched and connected with the bottom of the spark machine head, prevents stains or dust from entering, and can be suitable for severe processing environments.

As shown in fig. 1-12, a second aspect of the embodiment of the present application proposes a bin, a bin main body 14, a manipulator 15, a rotating mechanism 16 and a workpiece fixture as described above, wherein the workpiece fixture is placed in the bin main body 14, the manipulator 15 is used for removing the workpiece fixture from the bin main body 14 and rotating the workpiece fixture by the rotating mechanism 16, and then the workpiece fixture is mounted on a spark machine head, and the rotating angle of the rotating mechanism 16 is a multiple of 90 °;

the rotary mechanism 16 comprises a mounting plate 161, a driving mechanism 162, a speed reducer 163 and a chuck 164, wherein the mounting plate 161 is fixedly connected to the bin main body 14, the driving mechanism 162 and the speed reducer 163 are fixedly connected to the mounting plate 161, the power output end of the driving mechanism 162 is connected to the power input end of the speed reducer 163, the power output end of the speed reducer 163 is connected to the central position of the chuck 164, the central position of the chuck 164 is provided with a mounting position 165, and the mounting position 165 is connected with the mounting part 1 in a matched manner.

When the spark machine works, firstly, the current processing information of the spark machine is read, the corresponding workpiece to be extracted in the next working procedure is distinguished, and the manipulator 15 finds a corresponding workpiece clamp according to the material information; then the manipulator 15 is controlled to clamp up the workpiece clamp placed in the bin main body 14 and place the workpiece clamp on the rotating mechanism 16, and the rotating mechanism 16 is controlled to rotate the workpiece clamp to a corresponding position according to the current position of the spark machine workpiece, namely a reference angle; then, the workpiece clamp is clamped again by the manipulator 15 and is placed on a spark machine head, the spark machine starts to work, and materials are processed; after the machining is completed, the manipulator 15 removes the workpiece clamp from the spark machine head, places the workpiece clamp on the rotating mechanism 16, and controls the rotating mechanism 16 to rotate the workpiece clamp to an initial position; the workpiece holder is removed by means of the robot arm 15 and is returned to the magazine body 14. It should be noted that, the initial angles of the rotating mechanism 16 and the spark machine head are consistent, and the workpiece clamp can adjust the angles of 90 degrees, 180 degrees, 270 degrees and the like by combining the regular quadrilateral clamping column 2 and the rotating mechanism 16 with the rotation angle being a multiple of 90 degrees, so that the workpiece clamp is not limited by a flat port structure any more, the problem that multi-angle clamping cannot be realized, the process requirements of four quadrant angles are met, and the workpiece clamp can be clamped by the manipulator 15 better. The mounting plate 161 is fixedly mounted at the discharge hole of the bin main body 14, the chuck 164 is driven to rotate through the cooperation of the driving mechanism 162 and the speed reducer 163, and the mounting position 165 on the chuck 164 is mounted in cooperation with the mounting part 1 on the workpiece clamp, so that the workpiece clamp is driven to rotate, and the workpiece clamp is mounted on the spark machine head after being adjusted to a proper position, so that different parts are provided with machining shapes with different angles.

In some embodiments of the present application, as shown in fig. 7-9, the rotating mechanism 16 further includes a zero sensor 166, where the zero sensor 166 is mounted on the mounting plate 161 and located outside the chuck 164, for returning the rotating mechanism 16 to an initial position after the power is removed from the cartridge. The zero sensor 166 can detect whether the chuck 164 is in the initial position, and after each use and the bin is de-energized, the zero sensor 166 can assist the chuck 164 in returning to the initial position for the next use.

In some embodiments of the present application, as shown in fig. 7-9, the rotation mechanism 16 further includes a clamp sensor 167, where the clamp sensor 167 is mounted on the mounting plate 161 and below the chuck 164 for detecting the mounting of the workpiece clamp. The clamp sensor 167 can detect whether a workpiece clamp is mounted on the mounting position 165 of the chuck 164 or whether an object interfering with the mounting of the workpiece clamp exists, so that the workpiece clamp is prevented from being damaged due to collision caused by the object on the mounting position 165 during mounting, and the workpiece clamp is protected.

In some embodiments of the present application, as shown in fig. 7-12, four positioning blocks 168 are uniformly spaced on the bottom circumference of the chuck 164, four positioning protrusions 169 are uniformly spaced on the bottom circumference of the chuck 164, and positioning columns 11 corresponding to the positioning blocks 168 and positioning grooves 12 corresponding to the positioning protrusions 169 are disposed on the top of the clamping seat 3. Be equipped with complex positioner between chuck 164 and the work piece holder, and locating piece 168, location arch 169, reference column 11, the constant head tank 12 on it are circumference even interval setting, and the contained angle between every two is 90, can guarantee like this that the work piece holder still can play the effect of location after the multiple angle of rotary mechanism 16 rotation 90.

To sum up, work piece holder and feed bin of this application, set up the cross section of the grip post 2 of work piece holder into regular quadrangle, make the clamping device of work piece holder can follow four direction centre gripping, be convenient for manipulator 15 take out the work piece holder of different putting directions in the feed bin, and before the work piece holder is loaded through the manipulator 15 centre gripping in the feed bin, can be according to the reference angle of work piece on the current spark machine, the rotatory work piece of control rotary mechanism 16 arrives corresponding position, carry out the material loading operation again, rotary mechanism 16 is cliied work piece holder and is rotated the multiple of 90, not only guaranteed to stop rotating back clamping device can clip the work piece holder, and changed the direction of working of work piece, make the spark can beat the processing shape of different angles, satisfy the requirement on the technology.

The foregoing is merely a preferred embodiment of the present application and it should be noted that modifications and substitutions will now occur to those skilled in the art without departing from the technical principles of the present application, and these modifications and substitutions should also be considered to be within the scope of the present application.

Claims

1. A workpiece holder, comprising: the device comprises a mounting part, a clamping column and a clamping seat which are sequentially arranged from top to bottom, wherein the mounting part is used for being mounted on a spark machine head, the cross section of the clamping column is regular quadrangle, and the clamping seat is used for clamping a workpiece;

2. The workpiece holder of claim 1, wherein the mounting portion comprises a bin securing post disposed at a lower portion of the mounting portion, the bin securing post for secure mounting in a bin.

3. The workpiece clamp according to claim 1, further comprising a locating piece and four locating columns, wherein the locating piece is connected to the top of the clamping seat, four locating grooves are evenly arranged on the locating piece in a circumferentially uniform spacing mode, and the locating columns are evenly connected to the top of the locating piece in a circumferentially uniform spacing mode.

4. The workpiece holder of claim 1, further comprising a seal ring disposed at a bottom of the mounting portion.

5. A silo, comprising: a bin body, a manipulator, a rotating mechanism and the workpiece clamp according to any one of claims 1-4, wherein the workpiece clamp is placed in the bin body, and the manipulator is used for removing the workpiece clamp from the bin body and rotating the workpiece clamp through the rotating mechanism to be installed on a spark machine head;

6. The cartridge of claim 5, wherein the rotation mechanism further comprises a zero sensor mounted to the mounting plate and located outside of the chuck for returning the rotation mechanism to an initial position after the cartridge is de-energized.

7. The cartridge of claim 5, wherein the rotation mechanism further comprises a clamp sensor mounted on the mounting plate and below the chuck for detecting the mounting of the workpiece clamp.

8. The bin of claim 5, wherein four positioning blocks are uniformly arranged at intervals in the circumferential direction of the bottom of the chuck, four positioning protrusions are uniformly arranged at intervals in the circumferential direction of the bottom of the chuck, and positioning columns corresponding to the positioning blocks and positioning grooves corresponding to the positioning protrusions are arranged at the top of the clamping seat.