CN212793119U

CN212793119U - High-precision bolt hole machining device

Info

Publication number: CN212793119U
Application number: CN202021219911.0U
Authority: CN
Inventors: 王建军; 李周; 张华�; 李宝华; 李进海
Original assignee: Rongcheng Bohai Connecting Rod Co ltd
Current assignee: Rongcheng Bohai Connecting Rod Co ltd
Priority date: 2020-06-28
Filing date: 2020-06-28
Publication date: 2021-03-26
Anticipated expiration: 2030-06-28

Abstract

The utility model discloses a high accuracy bolt hole processingequipment, including fixed plate and connecting rod component, be equipped with the adjustment tank on the lateral wall of fixed plate, and sliding connection has the mounting panel in the adjustment tank, mounting panel upper end fixed mounting has the locating lever, be equipped with the spout on the lateral wall of mounting panel, and sliding connection has the L shape pole with connecting rod component inner wall matched with in the spout, install the control structure between L shape pole and the mounting panel, the one end fixed mounting that connecting rod component was kept away from to the mounting panel has the rack, be equipped with the mounting groove on the lateral wall of adjustment tank. Has the advantages that: the utility model discloses can adjust the fixed height of connecting rod component when rotating the knob, need not to adjust the movement track of drilling sword, reduce its the possibility that the deviation appears and influence bolt hole machining precision, and avoided because of frequent track regulation that carries on, lead to the problem that processingequipment hydraulic system result in and life-span reduce.

Description

High-precision bolt hole machining device

Technical Field

The utility model relates to a bolt hole machining technical field especially relates to high accuracy bolt hole machining device.

Background

The bolt hole is a hole for screwing parts, and is formed in each part, so that the precision of bolt hole machining directly affects the stability of part connection, and in some precision parts (such as an automobile engine connecting rod), the machining precision of the bolt hole directly affects the service effects and the service lives of the parts and equipment.

When current bolt hole processingequipment was operating, need fix the part earlier, later as required, use hydraulic system to adjust the drilling sword movement track, but when the bolt hole processing degree of depth difference is great, frequently adjust the movement track of drilling sword and can make it have certain deviation, reduce bolt hole machining precision, and also can reduce among the processingequipment hydraulic system's life.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem existing in the prior art and providing a high-precision bolt hole machining device.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

high accuracy bolt hole processingequipment, including fixed plate and connecting rod component, be equipped with the adjustment tank on the lateral wall of fixed plate, and sliding connection has the mounting panel in the adjustment tank, mounting panel upper end fixed mounting has the locating lever, be equipped with the spout on the lateral wall of mounting panel, and sliding connection has and connecting rod component inner wall matched with L shape pole in the spout, install the control structure between L shape pole and the mounting panel, the one end fixed mounting that connecting rod component was kept away from to the mounting panel has the rack, be equipped with the mounting groove on the lateral wall of adjustment tank, and rotate through bull stick, round bar respectively in the mounting groove and be connected with first gear, second gear, and first gear meshes with the second gear mutually, first gear and rack mesh, the round bar extends to the outer one end fixed mounting of fixed plate and has the knob.

In foretell high accuracy bolt hole processingequipment, control structure comprises extension spring, pull rod and pull rod groove, the extension spring is installed between L shape pole and spout, pull rod fixed mounting is on the lateral wall of L shape pole, the pull rod groove is seted up on the lateral wall of mounting panel, and pull rod groove and spout intercommunication, the one end of pull rod extends to outside the pull rod groove.

In the high-precision bolt hole machining device, the two telescopic grooves are symmetrically formed in the side wall of the fixing plate, the two telescopic grooves are connected with telescopic blocks in a sliding mode through springs, and cross rods matched with the connecting rod elements are installed between the two telescopic blocks in a matched mode.

In the above high-precision bolt hole machining device, the diameter of the first gear is larger than that of the second gear, and the diameter of the knob is equal to that of the first gear.

In foretell high accuracy bolt hole processingequipment, equal fixed mounting has the block rubber on the lateral wall about the mounting panel, be equipped with on the lateral wall of adjustment tank two with the complex resistance groove that corresponds the block rubber.

Compared with the prior art, the utility model discloses the advantage lies in:

1: through the cooperation of first gear, second gear and rack, can adjust the fixed height of connecting rod component when rotating the knob, be applicable to and carry out the processing of different degree of depth bolt holes, need not to adjust the movement track of drilling sword, reduced its the possibility that the deviation influences bolt hole machining precision that appears, and avoided leading to the problem that processingequipment hydraulic system result of use and life-span reduce because of frequent regulation.

2: through the design of the relative size of first gear, second gear and knob, when can making the rotation knob, reduce the range of movement of mounting panel, can ensure the precision of altitude mixture control to a certain extent, further ensure the machining precision of ensureing the bolt hole.

3: through the cooperation of spring and flexible piece, can make the horizontal pole apply the pulling force that is close to the fixed plate to connecting rod spare lower extreme, stability when having improved connecting rod spare fixed has reduced because of the drilling sword pushes down the connecting rod spare and leads to the machining precision to appear the possibility of deviation.

To sum up, the utility model discloses can adjust the fixed height of connecting rod component when rotating the knob, need not to adjust the movement track of drilling sword, reduce its the possibility that the deviation appears and influence bolt hole machining precision, and avoided because of frequent track regulation that carries on, lead to the problem that processingequipment hydraulic system result in and life-span reduce.

Drawings

Fig. 1 is a schematic structural view of a high-precision bolt hole machining device provided by the present invention;

FIG. 2 is a right side view of FIG. 1;

FIG. 3 is a right side view of FIG. 2;

FIG. 4 is an enlarged view of the structure of portion A in FIG. 2;

fig. 5 is an enlarged view of the first gear and the second gear in fig. 2.

In the figure: the device comprises a fixing plate 1, a connecting rod element 2, an adjusting groove 3, a mounting plate 4, a positioning rod 5, a sliding groove 6, a rod 7L, a tension spring 8, a pull rod 9, a pull rod groove 10, a rack 11, a mounting groove 12, a first gear 13, a rotating rod 14, a second gear 15, a knob 16, a telescopic groove 17, a telescopic block 18, a cross rod 19 and a spring 20.

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. 1-5, the high-precision bolt hole machining device comprises a fixing plate 1 and a connecting rod element 2, wherein an adjusting groove 3 is formed in the side wall of the fixing plate 1, a mounting plate 4 is connected in the adjusting groove 3 in a sliding manner, and a positioning rod 5 is fixedly mounted at the upper end of the mounting plate 4;

the above is noteworthy:

1. the positioning rod 5 can support the upper inner wall of the link element 2 and thus define its position relative to the mounting plate 4.

2. Be equipped with spout 6 on the lateral wall of mounting panel 4, and sliding connection has L shape pole 7 with 2 inner walls of connecting rod component in 6, installs control structure between L shape pole 7 and the mounting panel 4, and L shape pole 7 mutually supports with locating lever 5, can realize connecting rod component 2 and mounting panel 4's fixed, avoids adding man-hour because of connecting rod component 2 removes and leads to the appearance deviation carrying on the bolt hole.

3. The control structure comprises a tension spring 8, a pull rod 9 and a pull rod groove 10, wherein the tension spring 8 is installed between an L-shaped rod 7 and a sliding groove 6, the pull rod 9 is fixedly installed on the side wall of the L-shaped rod 7, the pull rod groove 10 is formed in the side wall of the mounting plate 4, the pull rod groove 10 is communicated with the sliding groove 6, one end of the pull rod 9 extends out of the pull rod groove 10, the tension of the tension spring 8 can enable the L-shaped rod 7 to apply a pull-down force on the inner wall of the lower side of the connecting rod element 2, therefore, the connecting rod element 2 is fixed with the mounting plate 4 through the matching of the positioning rod 5, the position of the L-shaped rod 7 in the sliding groove 6 can be adjusted through the design of the pull rod 9, and therefore.

4. Equal fixed mounting has the block rubber about mounting panel 4 on the lateral wall, be equipped with on the lateral wall of adjustment tank 3 two with the complex resistance groove that corresponds the block rubber, can improve the frictional force between mounting panel 4 and the adjustment tank 3, reduce when carrying out bolt hole processing, because of the pressure that the drilling sword applyed connecting rod component 2, lead to its downward movement to reduce the possibility of machining precision.

A rack 11 is fixedly installed at one end, far away from the connecting rod element 2, of the installation plate 4, an installation groove 12 is formed in the side wall of the adjusting groove 3, a first gear 13 and a second gear 15 are respectively connected to the inside of the installation groove 12 in a rotating mode through a rotating rod 14 and a round rod in a rotating mode, the first gear 13 is meshed with the second gear 15, the first gear 13 is meshed with the rack 11, and a knob 16 is fixedly installed at one end, extending out of the fixing plate 1, of the round rod;

the above is noteworthy:

1. when the knob 16 is rotated, the second gear 15 can be driven to rotate, so that the height of the mounting plate 4 relative to the fixing plate 1 can be adjusted through the cooperation of the first gear 13 and the rack 11, the fixing height of the connecting rod element 2 can be adjusted, the drilling tool is suitable for machining operation of bolt holes with different depths, the movement track of the drilling tool does not need to be frequently adjusted, the possibility that the bolt hole machining precision is influenced by the deviation is reduced, and the problem that the service effect and the service life of a hydraulic system of the machining device are reduced due to frequent adjustment is solved.

2. The diameter of first gear 13 is greater than the diameter of second gear 15, and the diameter of knob 16 equals the diameter of first gear 13, and the advantage of size design here lies in, when rotating knob 16, can make the range of motion that first gear 13 drove mounting panel 4 less to be applicable to the regulation operation of less height, improved the precision of height control.

3. Two telescopic grooves 17 are symmetrically arranged on the side wall of the fixed plate 1, the two telescopic grooves 17 are both connected with telescopic blocks 18 through springs 20 in a sliding mode, cross rods 19 matched with the connecting rod elements 2 are installed between the two telescopic blocks 18 in a matched mode, and through the matching of the springs 20 and the telescopic blocks 18, the cross rods 19 can apply certain pulling force to the fixed plate 1 to the lower ends of the connecting rod elements 2, and the stability of the connecting rod elements 2 in the fixing process is improved.

4. Can set up block extending structure between knob 16 and the round bar, and knob 16 can fix a plurality of stoppers of installation on being close to the one end lateral wall of fixed plate 1, can open on the lateral wall of fixed plate 1 establish a plurality ofly with correspond stopper matched with spacing groove, when the stopper is located the spacing inslot, can fix the round bar, and then can fix first gear 13 and second gear 15, further reduced because of the drilling sword applys pressure to connecting rod element 2, lead to its downstream to reduce the possibility of machining precision.

5. The block extending structure can comprise cross draw-in groove, cross fixture block, connecting rod and spread groove, and connecting rod fixed mounting is on the lateral wall of knob 16, and the spread groove is seted up on the lateral wall of round bar, and connecting rod sliding connection sets up in the round bar on the diapire of spread groove, and cross fixture block fixed mounting is on the lateral wall of connecting rod, and the joint of cross fixture block is in the cross draw-in groove, and the degree of depth of cross draw-in groove is greater than the degree of depth of spacing groove.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. High accuracy bolt hole processingequipment, including fixed plate (1) and connecting rod component (2), its characterized in that, be equipped with adjustment tank (3) on the lateral wall of fixed plate (1), and sliding connection has mounting panel (4) in adjustment tank (3), mounting panel (4) upper end fixed mounting has locating lever (5), be equipped with spout (6) on the lateral wall of mounting panel (4), and sliding connection has L shape pole (7) with connecting rod component (2) inner wall matched with in spout (6), install control structure between L shape pole (7) and mounting panel (4), the one end fixed mounting that connecting rod component (2) were kept away from in mounting panel (4) has rack (11), be equipped with mounting groove (12) on the lateral wall of adjustment tank (3), and rotate through bull stick (14), round bar respectively in mounting groove (12) and be connected with first gear (13) Second gear (15), and first gear (13) and second gear (15) mesh mutually, first gear (13) and rack (11) mesh mutually, the one end fixed mounting that the round bar extends to outside fixed plate (1) has knob (16).

2. The high-precision bolt hole machining device according to claim 1, characterized in that the control structure is composed of a tension spring (8), a pull rod (9) and a pull rod groove (10), the tension spring (8) is installed between the L-shaped rod (7) and the sliding groove (6), the pull rod (9) is fixedly installed on the side wall of the L-shaped rod (7), the pull rod groove (10) is formed in the side wall of the mounting plate (4), the pull rod groove (10) is communicated with the sliding groove (6), and one end of the pull rod (9) extends out of the pull rod groove (10).

3. The high-precision bolt hole machining device according to claim 1, characterized in that two telescopic grooves (17) are symmetrically formed in the side wall of the fixing plate (1), telescopic blocks (18) are slidably connected to the two telescopic grooves (17) through springs (20), and a cross rod (19) matched with the connecting rod element (2) is installed between the two telescopic blocks (18) in a matched mode.

4. A high-precision bolt hole machining apparatus according to claim 1, characterized in that the diameter of the first gear (13) is larger than the diameter of the second gear (15), and the diameter of the knob (16) is equal to the diameter of the first gear (13).

5. The high-precision bolt hole machining device according to claim 1, wherein rubber blocks are fixedly mounted on the left side wall and the right side wall of the mounting plate (4), and two resistance grooves matched with the corresponding rubber blocks are arranged on the side wall of the adjusting groove (3).