CN209936389U

CN209936389U - Automatic processingequipment of adjustment arm casing

Info

Publication number: CN209936389U
Application number: CN201920470065.0U
Authority: CN
Inventors: 代天生; 魏金洪
Original assignee: Laohekou Chuxin Casting Co Ltd
Current assignee: Laohekou Chuxin Casting Co Ltd
Priority date: 2019-04-09
Filing date: 2019-04-09
Publication date: 2020-01-14
Anticipated expiration: 2029-04-09

Abstract

The utility model relates to a machining equipment field just discloses an automatic processingequipment of adjustment arm casing, including the activity base, be provided with the clamping part of convex structure and the location portion of rectangle structure on the top surface of activity base, the top surface of clamping part is installed electronic three and is grabbed the chuck, the middle part processing of electronic three grabbing chuck has the chip removal hole, the jack catch on the electronic three grabbing chuck just is close to the one end department in chip removal hole and installs the electro-magnet, the top surface that the jack catch is close to a department of electro-magnet all is provided with protruding latch segment. Through the mounting hole that finishes with processing on the casing as the location benchmark, tensile jack catch can be adjusted in the cooperation, and the locking to the casing is realized to the tension of the outside expansion through the jack catch, compares with the locking of current device, and the locking force of jack catch is bigger, and stability is better, does not have the clearance fit with the mounting hole, and at the in-process of drilling or tapping, the casing can not produce the displacement, has further guaranteed the machining precision.

Description

Automatic processingequipment of adjustment arm casing

Technical Field

The utility model relates to a machining equipment field specifically is an automatic processingequipment of adjustment arm casing.

Background

The automatic adjusting arm is used for accurately recording the increment of the clearance caused by the abrasion of the friction lining and accurately adjusting the brake clearance to a normal working range. The casing is one of important spare part in the automatic adjustment arm, sets up the screw hole on the casing usually to the realization is connected with other accessories, makes the assembly of automatic adjustment arm more firm, in the current screw hole course of working, because do not accomplish drilling and tapping on same workstation, consequently, when carrying out the tapping, the position of spare part and screw tap need proofreading again, leads to the error volume to increase, and the progress of tapping descends.

According to the product that patent document CN201620686917.6 provided, through the cover is equipped with the spring on the connecting rod between fixed plate and clamp plate, because the elasticity of even a spring is difficult to guarantee the same, once the power that the fixed plate both ends are in between the spring is inequality, the fixed plate will lose balance, spacing hole on the fixed plate and connecting rod can produce the interference promptly, and the clamp pressure of clamp plate to the work piece is also unstable in reverse. The positioning of the workpiece is carried out through the limiting columns, the stop blocks and the baffle plates, the limiting blocks are fixed, the baffle plates are fixed on the baffle plates through bolts, the positions of the limiting columns, the stop blocks and the baffle plates are fixed, fit gaps are difficult to eliminate, and the workpiece can be shaken to be displaced during machining. The base is directly pushed by the cylinder, so that the transfer of the tool is realized, and the base can not be moved only along the pushing direction of the cylinder in the process. In conclusion, the product does not solve the moving problem in the processing of parts, but also does not completely solve the problem of larger errors of drilling and tapping, and the aims of completing drilling and tapping and ensuring the processing precision without clamping once are fulfilled.

SUMMERY OF THE UTILITY MODEL

In view of the above, an object of the present invention is to provide an automatic adjustment arm housing processing apparatus, which has high processing accuracy.

The utility model discloses a realize that technical purpose adopts following technical scheme:

the machining device for the automatic adjusting arm shell comprises a movable base, wherein a clamping part of a circular arc structure and a positioning part of a rectangular structure are arranged on the top surface of the movable base.

The top surface of clamping part is installed electronic three and is grabbed the chuck, the middle part processing of electronic three grabbing chuck has the chip removal hole, the jack catch on the electronic three grabbing chuck just is close to the one end department in chip removal hole and installs the electro-magnet, the top surface that the jack catch is close to one end department of electro-magnet all is provided with protruding latch segment.

Two thrust plates are symmetrically installed on the positioning portion, positioning rods are arranged on the thrust plates in an inserting mode, air pumps are installed on the opposite sides of the thrust plates, and piston rods on the air pumps are evenly fixedly connected with the corresponding ends of the positioning rods.

Preferably, one side of the locking block, which is far away from the electromagnet, is of a circular arc structure, and the circular arc structure on the locking block is attached to the inner wall of the mounting hole on the shell.

Preferably, the top surface of the electromagnet is higher than that of the electric three-grab chuck, and the length of the top surface of the locking block, which is higher than that of the top surface of the electromagnet, is equal to that of the mounting hole in the shell.

Preferably, the bottom surface of the movable base is symmetrically provided with a plurality of limiting strips of T-shaped structures, and the limiting strips are matched with the grooves of the T-shaped structures on the top surface of the rack.

Preferably, the positioning rod is matched with a shaft hole where the adjusting threaded rod is located on the shell, the diameter of the end part of the positioning rod is smaller than the diameter of other parts on the positioning rod, and the end part of the positioning rod extends into the shaft hole where the adjusting threaded rod is located on the shell.

Preferably, one side of the positioning part, which is far away from the clamping part, is welded with a flange, and the movable base is fixedly connected with the pushing device through the flange.

The utility model discloses possess following beneficial effect:

1. this processingequipment of automatic adjustment arm casing, through the mounting hole that finishes with processing on the casing as the location benchmark, tensile jack catch can be adjusted in the cooperation, and the locking to the casing is realized to the tension of the outside expansion through the jack catch, compares with the locking of current device, and the locking force of jack catch is bigger, and stability is better, does not have the clearance fit with the mounting hole, at the in-process of drilling or tapping, and the casing can not produce the displacement, has further guaranteed the machining precision.

2. This processingequipment of automatic adjustment arm casing fixes a position through the shaft hole at adjustment threaded rod place on the casing, and inside the shaft hole can be stretched into to the location end of locating lever to realize locking under the combined action of air pump, compare with current location, the adjustability and the accuracy of location further obtain promoting.

3. This processingequipment of automatic adjustment arm casing is provided with the spacing of a plurality of T shape structures through the bottom symmetry at movable bottom plate, through the recess cooperation of the T shape structure of spacing and frame top surface for movable bottom plate can only remove along the direction of recess under thrustor's effect, can not appear movable bottom plate and remove the condition that the deviation appears, has guaranteed to remove the accuracy of reversal and displacement distance.

Drawings

Fig. 1 is a top view of the present invention;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;

fig. 3 is a side view of the middle jaw of the present invention.

In the figure: 1. a movable base; 2. a clamping portion; 3. a positioning part; 4. an electric three-grab chuck; 5. chip removal holes; 6. a claw; 7. an electromagnet; 8. a locking block; 9. a thrust plate; 10. positioning a rod; 11. an air pump; 12. a limiting strip; 13. and (4) a flange.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, an apparatus for processing an automatic adjusting arm casing according to an embodiment of the present invention includes a movable base 1, and a clamping portion 2 with a circular arc structure and a positioning portion 3 with a rectangular structure are disposed on a top surface of the movable base 1.

The top surface of the clamping part 2 is provided with an electric three-grab chuck 4, the middle part of the electric three-grab chuck 4 is provided with a chip removal hole 5, the clamping jaw 6 on the electric three-grab chuck 4 and one end close to the chip removal hole 5 are provided with an electromagnet 7, and the top surface of one end of the clamping jaw 6 close to the electromagnet 7 is provided with a protruded locking block 8.

Two thrust plates 9 are symmetrically installed on the positioning portion 3, positioning rods 10 are arranged on the thrust plates 9 in a penetrating mode, air pumps 11 are installed on the opposite sides of the thrust plates 9, and piston rods on the air pumps 11 are evenly fixedly connected with the corresponding ends of the positioning rods 10.

Wherein, the one side that electro-magnet 7 was kept away from to latch segment 8 is arc structure, and the inner wall laminating of the mounting hole on the arc structure on the latch segment 8 and the casing, and when latch segment 8 outwards expanded in step, the arc structure in the outside can fully laminate with the inner wall of the mounting hole on the casing for the area of contact increase of the inner wall of latch segment 8 and mounting hole realizes the increase of locking force, and can not damage the mounting hole.

Wherein, the top surface of electro-magnet 7 is higher than the top surface of electronic three-jaw chuck 4, and the length that the top surface of latch segment 8 is higher than the top surface of electro-magnet 7 equals the length of the mounting hole on the casing for when the casing was placed on electronic three-jaw chuck 4, latch segment 8 can be with casing jack-up, and the top surface contact of avoiding casing and electronic three-jaw chuck 4 leads to the work piece to place the unevenness, and electro-magnet 7 can assistance-localization real-time pole 10 location.

Wherein, the bottom surface symmetry of movable base 1 is provided with the spacing 12 of a plurality of T shape structure, and spacing 12 matches with the recess of the T shape structure of frame top surface, and for the reference, after movable base 1's bottom was provided with a plurality of spacing 12, movable base 1 will be more stable, safe in the removal of frame top surface.

Wherein, the shaft hole at adjustment threaded rod place matches on locating lever 10 and the casing, and the diameter that is located locating lever 10 tip department is less than the diameter of other parts departments on the locating lever 10, and the tip of locating lever 10 stretches into the inside in the shaft hole at adjustment threaded rod place on the casing for locating lever 10 is realizing that the outside profile of location portion is the same with the inside profile in the shaft hole at adjustment threaded rod place on the casing, thereby also has certain safety protection effect when making the location.

Wherein, the welding of one side that the clamping part 2 was kept away from to location portion 3 has flange 13, and movable base 1 passes through flange and thrustor fixed connection, makes things convenient for thrustor and movable base 1 fixed connection, and after accomplishing drilling, moves movable base 1 through the thrustor and reaches tapping device's below by the constant distance, carries out the tapping.

The working principle is as follows: firstly, mounting a movable base 1 on a frame of a numerical control machine tool, assembling a groove of a T-shaped structure on the top surface of the frame of a limit strip 12, fixedly connecting the movable base 1 with a pushing device through a flange 13, and setting a proper pushing distance; secondly, the clamping jaw 6 is reset, the shell is sleeved on the locking block 8 through the mounting hole, the clamping jaw 6 is gradually expanded, when the outer arc surface on the locking block 8 is to be attached to the inner wall of the mounting hole, the electromagnet 7 is electrified, the shell keeps flat under the adsorption action of the electromagnet 7, and at the moment, the clamping jaw 6 stops expanding; then, the air pump 11 is driven to work, the two positioning rods 10 are ejected out simultaneously, the end parts of the positioning rods 10 extend into the shaft holes of the shell where the adjusting threaded rods are located, and the transition conical surfaces on the positioning rods 10 are attached to the end faces of the shaft holes, so that positioning is achieved; and finally, the clamping jaw 6 is driven to expand again, so that the outer side arc surface on the locking block 8 is tightly attached to the inner wall of the mounting hole, the power supply of the electromagnet 7 is cut off, the tension of the clamping jaw 6 and the thrust of the positioning rod 10 are kept, and the complete positioning of the shell can be realized.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an automatic processingequipment of adjustment arm casing, includes movable base (1), its characterized in that: the top surface of the movable base (1) is provided with a clamping part (2) with a circular arc structure and a positioning part (3) with a rectangular structure, an electric three-gripping chuck (4) is arranged on the top surface of the clamping part (2), a chip removal hole (5) is processed in the middle of the electric three-gripping chuck (4), an electromagnet (7) is arranged at one end of the clamping jaw (6) on the electric three-claw chuck (4) close to the chip removal hole (5), the top surfaces of the claws (6) close to one end of the electromagnet (7) are all provided with protruded locking blocks (8), two thrust plates (9) are symmetrically arranged on the positioning part (3), positioning rods (10) are respectively inserted into the thrust plates (9), air pumps (11) are installed on the opposite sides of the thrust plates (9), and piston rods on the air pumps (11) are evenly fixedly connected with the corresponding ends of the positioning rods (10).

2. The machining device for the automatic adjusting arm shell according to claim 1, wherein: one side of the locking block (8) far away from the electromagnet (7) is of a circular arc structure, and the circular arc structure on the locking block (8) is attached to the inner wall of the mounting hole in the shell.

3. The machining device for the automatic adjusting arm shell according to claim 1, wherein: the top surface of the electromagnet (7) is higher than the top surface of the electric three-grab chuck (4), and the length of the top surface of the locking block (8) which is higher than the top surface of the electromagnet (7) is equal to the length of the mounting hole in the shell.

4. The machining device for the automatic adjusting arm shell according to claim 1, wherein: the bottom surface of the movable base (1) is symmetrically provided with a plurality of limiting strips (12) with T-shaped structures, and the limiting strips (12) are matched with grooves of the T-shaped structures on the top surface of the rack.

5. The machining device for the automatic adjusting arm shell according to claim 1, wherein: the positioning rod (10) is matched with a shaft hole where the adjusting threaded rod is located on the shell, the diameter of the end portion of the positioning rod (10) is smaller than the diameter of the other portions of the positioning rod (10), and the end portion of the positioning rod (10) extends into the shaft hole where the adjusting threaded rod is located on the shell.

6. The machining device for the automatic adjusting arm shell according to claim 1, wherein: one side of the positioning part (3) far away from the clamping part (2) is welded with a flange (13), and the movable base (1) is fixedly connected with the pushing device through the flange.