CN211193035U

CN211193035U - Processing tool for front towing hook of automobile

Info

Publication number: CN211193035U
Application number: CN201922046861.4U
Authority: CN
Inventors: 王学军
Original assignee: Chongqing Hangfei Machinery Manufacturing Co ltd
Current assignee: Chongqing Hangfei Machinery Manufacturing Co ltd
Priority date: 2019-11-22
Filing date: 2019-11-22
Publication date: 2020-08-07
Anticipated expiration: 2029-11-22

Abstract

The utility model discloses a tow hook processing frock before car, comprising a base plate, be provided with the cushion on the bottom plate, be provided with three support column in cushion the place ahead, the cushion is used for supporting tow hook big lock point mounting hole below in the front, three support column is used for supporting the middle part linking arm and two little lock point mounting hole below of tow hook in the front respectively, left side at the cushion, rear and right side are provided with the briquetting that can reciprocate under the drive of power respectively, the pressure point of left side briquetting is located the support column top of tow hook middle part linking arm before supporting, the pressure point of rear and right side briquetting all is located the cushion top, be provided with the stopper at cushion upper end rear, be provided with two single-action cylinders on the cushion right side, be provided with two dogs on the left of the cushion. The utility model discloses the tow hook warp before having avoided in the course of working, effectively prevented that the tow hook shifts before in the course of working.

Description

Processing tool for front towing hook of automobile

Technical Field

The utility model belongs to the frock clamp field, concretely relates to towing pintle processing frock before car.

Background

The car tow hook is the trailer and the draw gear of car, and preceding tow hook is used for pulling of car front end, adds man-hour to the car front tow hook, need adopt the special frock that is applicable to preceding tow hook, not only requires to possess sufficient intensity, requires the location accuracy simultaneously, avoids appearing shifting in the course of working, leads to processingquality not to conform to the requirements.

SUMMERY OF THE UTILITY MODEL

To the technical problem, the utility model aims at providing a tow hook processing frock before car of simple structure, location accuracy.

Therefore, the utility model discloses the technical scheme who adopts does: a tool for machining a front tow hook of an automobile comprises a bottom plate, wherein a cushion block is arranged on the bottom plate, three support columns are arranged in front of the cushion block and used for supporting the lower portion of a large locking point mounting hole of the front tow hook and respectively used for supporting the lower portion of a middle connecting arm and two small locking point mounting holes of the front tow hook, press blocks capable of moving up and down under the driving of power are respectively arranged on the left side, the rear side and the right side of the cushion block, the press point of the press block on the left side is located above the support column supporting the middle connecting arm of the front tow hook, the press points of the press blocks on the rear side and the right side are both located above the cushion block, a limiting block is arranged behind the upper end of the cushion block, two single-acting cylinders are arranged on the right side of the cushion block and respectively used for tightly abutting against the middle portion of the front tow hook and the locking point mounting hole on the right, the two stop blocks are respectively positioned in front of and behind the left pressing block.

Preferably, the bottom plate is further provided with a second-order positioning assembly, the second-order positioning assembly comprises a second-order cushion block, a positioning core shaft is arranged on the second-order cushion block, the second-order cushion block is used for supporting the lower portion of a large locking point mounting hole of the front towing hook, a supporting positioning seat, a second-order pressing block and two second-order supporting columns are arranged in front of the second-order cushion block, the two second-order supporting columns are respectively used for supporting the lower portions of a middle connecting arm and a left small locking point mounting hole of the front towing hook, the supporting positioning seat is used for supporting the lower portion of a right small locking point mounting hole, a positioning pin matched with a pin hole of a right small locking point mounting hole of the front towing hook is arranged on the supporting positioning seat, the second-order pressing block can move up and down under the driving of power, and a pressing point of the second-order pressing block. By adopting the structure, the front and back processing procedures of the front towing hook and the back towing hook can be carried out on one tool, the time for assembling the parts by workers is saved, the processing efficiency is effectively improved, the structure of the two-sequence positioning assembly is suitable for the characteristics of the two processing procedures, the sufficient supporting strength is realized, and the positioning is accurate.

Preferably, the stop block comprises a stop block seat and a screw rod, and the screw rod is arranged in a threaded hole which extends left and right on the stop block seat in a penetrating mode. Structure more than adopting, the workman can adjust the dog, uses more in a flexible way.

Preferably, the pressing block and the second-order pressing block are driven by corner oil cylinders. By adopting the structure, the pressing block is prevented from influencing the assembling and the taking of the workpiece by workers.

The utility model has the advantages that: the front towing hook is fully arranged according to the shape and the characteristics of the front towing hook, the cushion blocks and the three support columns are adopted to support different positions of the front towing hook, and the three press blocks are adopted to press the different positions of the front towing hook, so that the deformation of the front towing hook in the machining process is effectively avoided; the front towing hook is abutted tightly from all directions through the cooperation of the two single acting cylinders, the two check blocks and the limiting blocks, the positioning is accurate, and the front towing hook is effectively prevented from shifting in the machining process.

Drawings

Fig. 1 is a schematic structural view of the present invention and a front tow hook;

FIG. 2 is a schematic view of a spacer;

FIG. 3 is a schematic structural diagram of a second-order spacer;

fig. 4 is a schematic structural view of the positioning mandrel.

Detailed Description

The invention will be further described by way of examples with reference to the accompanying drawings:

as shown in fig. 1, a tool for machining a front tow hook of an automobile mainly comprises a bottom plate 1, a cushion block 2, a support pillar 3, a press block 4, a limit block 5, a single-acting cylinder 6, a stop block 7, a second-order cushion block 8, a positioning mandrel 9, a second-order support pillar 10, a second-order press block 11, a support positioning seat 12 and a corner oil cylinder 13, wherein the cushion block 2, the support pillar 3, the press block 4, the limit block 5, the single-acting cylinder 6, the stop block 7 and the corner oil cylinder 13 are used for front face machining of the front tow hook, and the second-order cushion block 8, the positioning mandrel 9, the second-order support pillar 10, the second-order press block 11, the support positioning seat 12 and the corner oil cylinder.

As shown in figures 1 and 2, a cushion block 2 is arranged on a bottom plate 1, the cushion block 2 is of a cubic structure, the cushion block 2 is used for being supported below a large locking point mounting hole of a front towing hook, a relief groove is arranged in the middle of the cushion block 2, three support columns 3 are arranged in front of the cushion block 2, the three support columns 3 are of a cylindrical structure, the cushion block 2 and the three support columns 3 are both arranged on the bottom plate 1 through bolts, the three support columns 3 are respectively used for being supported below a middle connecting arm and two small locking point mounting holes of the front towing hook, the cushion block 2 and the three support columns 3 are used for being supported at different positions of the front towing hook, the support performance is good, the front towing hook is guaranteed to be stressed evenly in the machining process, pressing blocks 4 are respectively arranged on the left side, the rear side and the right side of the cushion block 2, the pressing blocks 4 are arranged on corresponding corner oil cylinders 13 through bolts, the pressure point of rear and right side briquetting 4 all is located cushion 2 top, be provided with stopper 5 at cushion 2 upper end rear, stopper 5 passes through the bolt and installs on cushion 2, stopper 5 is used for supporting the rear of towing pintle in front, be provided with two single acting cylinder 6 on cushion 2 right side, single acting cylinder 6 adopts the single acting cylinder of oil pressure, two single acting cylinder 6 are used for supporting tight preceding towing pintle middle part left respectively and supporting tight lock point mounting hole on preceding towing pintle right side left rear side left side, be provided with two dog 7 on cushion 2 left side, two dog 7 are located the place ahead and the rear of left side briquetting 4 respectively, dog 7 includes dog seat 701 and screw rod (not shown in the figure), the screw rod is worn to establish in the threaded hole of extending about on dog seat 701. Preceding tow hook supports tightly two dog 7 and stopper 5 under driving about of two single acting cylinder 6, has all restricted the position of preceding tow hook from all directions, effectively prevents that preceding tow hook shifts in the course of working.

As shown in fig. 1, 3 and 4, the second-order positioning assembly is located at the right side of the bottom plate 1, the second-order cushion block 8 is installed on the bottom plate 1 through a bolt, the second-order cushion block 8 is used for being supported below a large locking point installation hole of a front towing hook, the positioning mandrel 9 is installed above the second-order cushion block 8 through a bolt, the shape of the positioning mandrel 9 is matched with that of the large locking point installation hole of the front towing hook and is used for being clamped in the large locking point installation hole of the front towing hook for limiting, the supporting and positioning seat 12, the second-order pressing block 11 and the two second-order supporting columns 10 are all arranged in front of the second-order cushion block 8, the two second-order supporting columns 10 are respectively used for being supported below a middle connecting arm and a small locking point installation hole at the left side of the front towing hook, the supporting and positioning seat 12 is used for being supported below the small locking point installation hole at the right side, a positioning pin, the second-order pressing block 11 is arranged on the corner oil cylinder 13, and the pressing point of the second-order pressing block is positioned above the second-order supporting column 10 which supports the connecting arm at the middle part of the front towing hook. Adopt two preface cushion 8, two preface support columns 10 and support positioning seat 12 to support the different positions of tow hook in the front, reliable and stable, fix a position tow hook in the front through locating spindle 9 and support positioning seat 12 go up the locating pin, effectively prevent to remove in the tow hook course of working before, the utility model discloses simple structure is reliable, easy operation, and can satisfy the processing requirement of one preface and two prefaces simultaneously, effectively improve machining efficiency.

Claims

1. The utility model provides a tow hook processing frock before car, includes bottom plate (1), its characterized in that: the bottom plate (1) is provided with a cushion block (2), three support columns (3) are arranged in front of the cushion block (2), the cushion block (2) is used for supporting the lower part of a large locking point mounting hole of a front towing hook, the three support columns (3) are respectively used for supporting the lower part of a middle connecting arm and two small locking point mounting holes of the front towing hook, pressing blocks (4) capable of moving up and down under the driving of power are respectively arranged on the left side, the rear side and the right side of the cushion block (2), the pressing point of the left pressing block (4) is positioned above the support column (3) supporting the middle connecting arm of the front towing hook, the pressing points of the rear pressing block (4) and the right pressing block (4) are both positioned above the cushion block (2), a limiting block (5) is arranged behind the upper end of the cushion block (2), two single-acting cylinders (6) are arranged on the right side of the cushion block (2), and the two single-acting cylinders (6) are respectively used for tightly abutting the, two stop blocks (7) are arranged on the left side of the cushion block (2), and the two stop blocks (7) are respectively positioned in front of and behind the left pressing block (4).

2. The tool for machining the automobile front tow hook according to claim 1, characterized in that: a second-order positioning component is also arranged on the bottom plate (1), the second-order positioning component comprises a second-order cushion block (8), a positioning mandrel (9) is arranged on the second-order cushion block (8), the second-order cushion block (8) is used for being supported below the mounting hole of the front towing hook large locking point, a supporting and positioning seat (12), a second-order pressing block (11) and two second-order supporting columns (10) are arranged in front of the second-order cushion block (8), the two second-order supporting columns (10) are respectively used for being supported below a middle connecting arm of the front towing hook and a small locking point mounting hole on the left side, the supporting and positioning seat (12) is used for supporting the lower part of the small locking point mounting hole on the right side, a positioning pin matched with a pin hole of a small locking point mounting hole on the right side of the front towing hook is arranged on the supporting and positioning seat (12), the two-step pressing block (11) can move up and down under the driving of power, the pressure point is positioned above a second-order support column (10) for supporting the connecting arm at the middle part of the front towing hook.

3. The tool for machining the automobile front tow hook according to claim 1, characterized in that: the stop block (7) comprises a stop block seat (701) and a screw rod, and the screw rod penetrates through a threaded hole extending left and right in the stop block seat (701).

4. The tool for machining the automobile front tow hook according to claim 2, characterized in that: the pressing block (4) and the second-order pressing block (11) are driven by a corner oil cylinder (13).