CN220902433U - Semi-automatic assembly equipment for front cover hinge - Google Patents

Abstract

The utility model discloses semi-automatic assembling equipment for a front cover hinge, which comprises a machine table, an automatic sleeving mechanism, a riveting mechanism, a punching workpiece and a hinging accessory, wherein the automatic sleeving mechanism and the riveting mechanism are arranged on the machine table; the first stamping arm and the second stamping arm which are movably hinged are transferred to a riveting mechanism in a whole set, and the riveting mechanism stamps the bushing and the rivet which are sleeved together, so that the bushing and the rivet are riveted and fixed together; the device can automatically align and rivet the hinged stamping parts, and has high alignment precision and high processing efficiency.

Description

Semi-automatic assembly equipment for front cover hinge

Technical Field

The utility model belongs to the technical field of automobile part assembly equipment, and particularly relates to semi-automatic front cover hinge assembly equipment.

Background

The engine cabin of the automobile is basically the vital component parts in the automobile, such as an oil way, a brake, a transmission system and the like, and the engine cabin cover can ensure the safety of the engine and auxiliary circuits and prevent the engine and the auxiliary circuits from being interfered by external rainwater, collision and the like. In order to facilitate the lifting and overhauling of the engine compartment cover, the engine compartment cover is generally connected with a vehicle body in a hinged mode, a hinged seat is formed by two high-rigidity stamping parts, the stamping parts are hinged together through rivets and bushings, the existing assembly is completed manually, the bushings are sleeved in stamping holes of the two stamping parts in advance by workers, then the aligned stamping parts are placed on a machine tool for aligning and riveting, the alignment between the stamping parts and the alignment between the rivets and the stamping parts during riveting are involved in the process, the assembly efficiency is low due to complete dependence on manual operation, errors are easy to occur, the riveting failure and the rejection rate are increased due to low alignment precision, and the quality of a finished product is unstable.

Disclosure of Invention

Aiming at the problems and the technical requirements, the utility model provides the semi-automatic assembly equipment for the front cover hinge, which can automatically align and rivet the hinge stamping parts, and has high alignment precision and high processing efficiency.

The technical scheme of the utility model is as follows: the front cover hinge semi-automatic assembly equipment comprises a machine table, an automatic sleeving mechanism, a riveting mechanism, a punching workpiece and a hinged fitting, wherein the automatic sleeving mechanism and the riveting mechanism are arranged on the machine table, the punching workpiece comprises a first punching arm and a second punching arm, corresponding punching holes are formed in the first punching arm and the second punching arm, the punching holes of the first punching arm and the second punching arm are vertically aligned and stacked on the automatic sleeving mechanism, the hinged fitting comprises a bushing and a rivet, the automatic sleeving mechanism can automatically feed the bushing and the rivet, the bushing and the rivet are respectively pressed into the stacked punching holes from the lower part and the upper part, and the first punching arm and the second punching arm are movably hinged; the movable hinged first stamping arm and the movable hinged second stamping arm are transferred to the riveting mechanism in a whole set, the riveting mechanism punches the bushing and the rivet sleeved together, the bushing and the rivet are fixed together in a riveting mode, the bushing and the rivet which are connected in a locking mode limit the outer side faces of the first stamping arm and the outer side face of the second stamping arm respectively, and the two stamping parts are clamped and hinged. In this scheme, automatic suit mechanism carries out the preassembly to punching press work piece, with lining and rivet automatic embedding in two punching press arms, realized articulated accessory and punching press work piece's location and pre-connection, after punching press work piece put into riveting mechanism, riveting mechanism only need bear the function of pressfitting, just can accomplish the riveting of two, and accurate location has improved the riveting precision, avoids producing the substandard product, and automatic positioning and preassembling have effectively improved machining efficiency.

Further, the automatic sleeving mechanism comprises a bushing vibration disc, a rivet vibration disc, a clamping table and a sleeve pressing shaft clamp, wherein the sleeve pressing shaft clamp is arranged above the clamping table, the conveying tail ends of the bushing vibration disc and the rivet vibration disc are symmetrically arranged on the left side and the right side of the clamping table, the sleeve pressing shaft clamp clamps the bushing on the clamping table, the first punching arm and the second punching arm align the punching holes to be arranged above the bushing, the sleeve pressing shaft clamp sleeves the rivet into the punching holes from the upper part, the rivet, the bushing and the punching holes are coaxially arranged, and the sleeve pressing shaft clamp can press the bushing and the rivet into the punching holes. The bush vibration dish and the rivet vibration dish continue to vibrate, with bush and rivet conveying terminal one by one, wait to press from both sides and get, do not need artifical material loading assembly, and the material loading rhythm is stable, and the bush cover is between rivet and punching press hole, and when bush and rivet realized connecting, two punching press holes are articulated together, aim at rivet, bush and punching press hole in advance and assemble, can improve subsequent riveting efficiency.

Further, wear to overlap pressure axle anchor clamps include support, first fixed block, second fixed block, bush suction nozzle, rivet suction nozzle, horizontal track and perpendicular track, and the support sets up in clamping bench top, and the fixed perpendicular track that is equipped with on the support, sliding connection first fixed block on the perpendicular track, second fixed block pass through horizontal track connection on first fixed block, and second fixed block bottom is equipped with bush suction nozzle and rivet suction nozzle, and the second fixed block can follow horizontal or vertical direction and remove, and bush suction nozzle and rivet suction nozzle carry bush or rivet of below.

Further, the distance between the bushing suction nozzle and the rivet suction nozzle is consistent with the distance between the bushing vibration disk conveying tail end, the clamping table and the rivet vibration disk conveying tail end.

In the above-mentioned scheme, the second fixed block can be at vertical direction and horizontal removal, and the second fixed block drives bush suction nozzle and rivet suction nozzle and carries between terminal, clamping platform, the terminal three of rivet vibration dish simultaneously at bush vibration dish and carry and reciprocate, and the action of an operating cycle is as follows: after the second fixed block moves left and the bushing suction nozzle sucks the bushing, the second fixed block moves right after moving upwards, the bushing suction nozzle places the bushing on the clamping table, the rivet suction nozzle sucks the rivet, the second fixed block moves upwards, the stamping workpiece and the bushing are aligned and placed on the clamping table by a manual or mechanical arm, the second fixed block moves downwards after moving left, the rivet suction nozzle sucks the rivet and presses the bushing into the two stamping holes, the rivet penetrates into the bushing from the upper part, and the bushing suction nozzle sucks the next bushing.

Further, the rivet suction nozzle can press downwards against the rivet to press the rivet and the bushing into the punching holes of the two punching parts.

Further, riveting mechanism includes stamping head, riveting platform and fixed clamping assembly, and the riveting platform middle part is equipped with the riveting supporting seat, and the riveting supporting seat top corresponds and is equipped with the stamping head, and riveting supporting seat left and right sides symmetry is equipped with two sets of fixed clamping assembly, and the punching press work piece that wears the cover to accomplish is moved to the riveting bench, and the position in riveting supporting seat bearing punching press hole, first punching press arm and second punching press arm are clamped by fixed clamping assembly, and the punching press head is punching press downwards, rivets bush and rivet together. Because the hinges in the automobile front cover are generally two pairs of bilateral symmetry, the left-right symmetry fixing clamping assemblies are arranged, two symmetrical hinge products can be assembled, and the utilization rate is improved.

Further, the fixed clamping assembly comprises a fixed supporting table and a movable supporting table, the fixed supporting table supports the first stamping arm, the movable supporting table supports the second stamping arm, a rotatable pressing block is arranged on the fixed supporting table and the movable supporting table respectively, and the rotatable pressing block can press or loosen the two stamping arms. The rotatable press block can fix the two stamping arms, so that the stamping arms are kept motionless during riveting operation, and the riveting precision and stability are improved.

Further, the movable supporting table is right trapezoid, the inclined plane of the movable supporting table abuts against the second stamping arm, the movable supporting table is connected to the front side of the fixed supporting table through the guide rod, the distance between the movable supporting table and the fixed supporting table can be adjusted through the guide rod, and then the riveting included angle between the first stamping arm and the second stamping arm is adjusted. The stamping workpiece for riveting and pressing is completed, the first stamping arm and the second stamping arm cannot rotate freely, and the workpiece can be transported and assembled by pulling by manpower, so that an initial included angle is formed between the first stamping arm and the second stamping arm, and the initial included angle can be adjusted by adjusting the positions of the movable supporting table and the fixed supporting table according to processing requirements.

Compared with the prior art, the utility model has the beneficial effects that: 1) The automatic sleeving mechanism is arranged in the automatic riveting machine, can automatically feed, performs riveting pre-assembly on the stamping workpiece, continuously vibrates the vibrating disc for feeding, has stable feeding rhythm, can be matched with the sleeve-penetrating pressing shaft clamp, and improves the assembly efficiency; 2) The sleeve-penetrating pressing shaft clamp can automatically clamp, position, fill and pre-press the bushing and the rivet, and compared with manual operation, the assembly precision and efficiency are greatly improved, and the follow-up riveting fastening of the hinge fitting is facilitated; 3) The fixed clamping assembly arranged on the riveting mechanism can respectively fix the two stamping arms, so that the stamping head and the riveting supporting seat are accurately aligned, the stamped workpiece is kept stable during riveting, the riveting success rate is improved, and the defective product occurrence rate is reduced.

Drawings

FIG. 1 is a block diagram of a stamped workpiece in accordance with the present utility model;

FIG. 2 is a block diagram of an automated nesting mechanism of the present utility model;

FIG. 3 is a schematic diagram of the processing of a sleeve press shaft fixture and a punched workpiece according to the present utility model;

FIG. 4 is a block diagram of a press fit through press fit fixture of the present utility model without a press work piece;

FIG. 5 is a view of the bushing, rivet and clamping table to be clamped in accordance with the present utility model;

FIG. 6 is an overall block diagram of the riveting mechanism of the present utility model;

FIG. 7 is a block diagram of a riveting station according to the present utility model;

FIG. 8 is a block diagram of two symmetrical sets of fixed clamp assemblies according to the present utility model;

Marked in the figure as: the automatic riveting machine comprises a machine table 1, an automatic sleeving mechanism 2, a bushing vibration disc 21, a rivet vibration disc 22, a clamping table 23, a sleeve pressing shaft clamp 3, a bracket 31, a first fixed block 32, a second fixed block 33, a bushing suction nozzle 34, a rivet suction nozzle 35, a vertical rail 36, a riveting mechanism 4, a stamping head 41, a riveting table 42, a fixed clamping assembly 43, a fixed supporting table 45, a movable supporting table 46, a rotatable pressing block 47, a guide rod 48, a stamping workpiece 5, a first stamping arm 51, a second stamping arm 52, a stamping hole 53, a hinged fitting 6, a bushing 61 and a rivet 62.

Description of the embodiments

The utility model is further described below with reference to the drawings and examples.

Fig. 1 shows a drawing of a punched workpiece which is processed by riveting, wherein the first punch arm 51 and the second punch arm 52 of the punched workpiece 5 are various in shape, the drawing shows a schematic shape, and the first punch arm 51 and the second punch arm 52 are rotatably connected through a hinge fitting 6.

As shown in fig. 2-8, the semi-automatic assembling device for the front cover hinge of the utility model comprises a machine table 1, an automatic sleeving mechanism 2, a riveting mechanism 4, a punching workpiece 5 and a hinge fitting 6, wherein the automatic sleeving mechanism 2 and the riveting mechanism 4 are arranged on the machine table 1, the punching workpiece 5 comprises a first punching arm 51 and a second punching arm 52, corresponding punching holes 53 are formed in the first punching arm 51 and the second punching arm 52, the punching holes 53 of the first punching arm 51 and the second punching arm 52 are vertically aligned and stacked on the automatic sleeving mechanism 2, the hinge fitting 6 comprises a bushing 61 and a rivet 62, the automatic sleeving mechanism 2 can automatically feed the bushing 61 and the rivet 62, and the bushing 61 and the rivet 62 are respectively pressed into the stacked punching holes 53 from below and above to movably hinge the first punching arm 51 and the second punching arm 52.

The automatic sleeving mechanism 2 comprises a bushing vibration disc 21, a rivet vibration disc 22, a clamping table 23 and a sleeve pressing shaft clamp 3, wherein the sleeve pressing shaft clamp 3 is arranged above the clamping table 23, the conveying ends of the bushing vibration disc 21 and the rivet vibration disc 22 are symmetrically arranged on the left side and the right side of the clamping table 23, a bushing 61 is firstly clamped by the sleeve pressing shaft clamp 3 and placed on the clamping table 23, a punching hole 53 is aligned and placed above the bushing 61 by a first punching arm 51 and a second punching arm 52, a rivet 62 is sleeved into the punching hole 53 from the upper side by the sleeve pressing shaft clamp 3, the rivet 62, the bushing 61 and the punching hole 53 are coaxially arranged, and the sleeve pressing shaft clamp 3 can press the bushing 61 and the rivet 62 into the punching hole 53. Specifically, the sleeve pressing shaft fixture 3 includes a bracket 31, a first fixing block 32, a second fixing block 33, a bushing suction nozzle 34, a rivet suction nozzle 35, a transverse rail (not shown in the figure) and a vertical rail 36, the bracket 31 is disposed above the clamping table 23, the vertical rail 36 is fixedly disposed on the bracket 31, the first fixing block 32 is slidingly connected to the vertical rail 36, the second fixing block 33 is connected to the first fixing block 32 through the transverse rail, the bushing suction nozzle 34 and the rivet suction nozzle 35 are disposed at the bottom of the second fixing block 33, the second fixing block 33 can move along the transverse direction or the vertical direction, and the bushing suction nozzle 34 and the rivet suction nozzle 35 carry the bushing 61 or the rivet 62 below.

The distance between the bushing suction nozzle 21 and the rivet suction nozzle 22 is consistent with the distance between the bushing vibration disk conveying end, the clamping table 23 and the rivet vibration disk conveying end. The rivet nipple 35 can be pressed down against the rivet 62, pressing the rivet 62, the bushing 61 into the punch holes 53 of the two stampings.

The movable hinged first stamping arm 51 and second stamping arm 52 are transferred to the riveting mechanism 4 in a whole set, the riveting mechanism 4 stamps the bushing 61 and the rivet 62 sleeved together, the bushing 61 and the rivet 62 are riveted and fixed together, the bushing 61 and the rivet 62 which are locked and connected limit the outer side surfaces of the first stamping arm 51 and the second stamping arm 52 respectively, and the two stamping parts are clamped and hinged.

The riveting mechanism 4 comprises a stamping head 41, a riveting table 42 and a fixed clamping assembly 43, a riveting supporting seat 44 is arranged in the middle of the riveting table 42, the stamping head 41 is correspondingly arranged at the top of the riveting supporting seat 44, two groups of fixed clamping assemblies 43 are symmetrically arranged on the left side and the right side of the riveting supporting seat 44, a punched workpiece 5 subjected to sleeve penetrating is moved onto the riveting table 42, the riveting supporting seat 44 supports the position of a punching hole 53, the first punching arm 51 and the second punching arm 52 are clamped by the fixed clamping assemblies 43, the stamping head 41 punches downwards, and the bushing 61 and the rivet 62 are riveted together. Further, the movable supporting platform 46 is in a right trapezoid shape, the inclined surface of the movable supporting platform 46 abuts against the second punching arm 52, the movable supporting platform 46 is connected to the front side of the fixed supporting platform 45 through the guide rod 48, the guide rod 48 can adjust the distance between the movable supporting platform 46 and the fixed supporting platform 45, and then the riveting angle between the first punching arm 51 and the second punching arm 52 is adjusted.

The working process of the utility model comprises the following steps: the second fixed block 33 moves left and down, the bush suction nozzle 34 sucks the bush 61, the second fixed block 33 moves right and up, the bush suction nozzle 34 puts the bush 61 in the clamping table 23, the rivet suction nozzle 35 sucks the rivet 62, the second fixed block 33 moves up, the first punching arm 51 is pressed on the fixed supporting table 45 by one rotatable pressing block 47, the movable supporting table 46 is driven to move forward by the guide rod 48 to the second punching arm 52, the rivet suction nozzle 35 presses down against the rivet 62, the bush 61 is pressed into the two punching holes 53, the rivet 62 penetrates into the bush 61 from above, the bush suction nozzle 34 sucks the next bush 61, at this time, the preassembly of a set of punching workpieces is completed, the punching workpiece 5 is transferred to the riveting table 42 by one rotatable pressing block 47 respectively pressing the first punching arm 51 on the fixed supporting table 45, the second punching arm 52 is driven by the guide rod 48 to move the movable supporting table 46 forward, the other rotatable pressing block presses the second punching arm 52 on the movable supporting table 46, the rivet 62 is completed, and finally the punching workpiece 5 is riveted by the other rotatable pressing block 4, and finally the rivet is riveted by the mechanical hand.

While the utility model has been described with respect to several preferred embodiments, the scope of the utility model is not limited thereto, and any changes and substitutions that would be apparent to one skilled in the art within the scope of the utility model are intended to be included within the scope of the utility model. Therefore, the protection scope of the present utility model should be subject to the protection scope of the claims.

Claims (8)

1. Semi-automatic assembly equipment of protecgulum hinge, its characterized in that: the automatic sleeving mechanism and the riveting mechanism are arranged on the machine table, the stamping workpiece comprises a first stamping arm and a second stamping arm, corresponding stamping holes are formed in the first stamping arm and the second stamping arm, the stamping holes of the first stamping arm and the second stamping arm are vertically aligned and stacked on the automatic sleeving mechanism, the hinging accessory comprises a bushing and a rivet, the automatic sleeving mechanism can automatically feed the bushing and the rivet, the bushing and the rivet are respectively pressed into the stacked stamping holes from the lower part and the upper part, and the first stamping arm and the second stamping arm are movably hinged; the movable hinged first stamping arm and the movable hinged second stamping arm are transferred to the riveting mechanism in a whole set, the riveting mechanism punches the bushing and the rivet sleeved together, the bushing and the rivet are fixed together in a riveting mode, the bushing and the rivet which are connected in a locking mode limit the outer side faces of the first stamping arm and the outer side face of the second stamping arm respectively, and the two stamping parts are clamped and hinged.

2. The front cover hinge semi-automatic assembling apparatus according to claim 1, wherein: the automatic sleeving mechanism comprises a bushing vibration disc, a rivet vibration disc, a clamping table and a sleeve pressing shaft clamp, wherein the sleeve pressing shaft clamp is arranged above the clamping table, the conveying tail ends of the bushing vibration disc and the rivet vibration disc are symmetrically arranged on the left side and the right side of the clamping table, the sleeve pressing shaft clamp clamps a bushing on the clamping table, a first punching arm and a second punching arm align punching holes above the bushing, the sleeve pressing shaft clamp sleeves rivets into the punching holes from the upper side, the rivet, the bushing and the punching holes are coaxially arranged, and the sleeve pressing shaft clamp can press the bushing and the rivet into the punching holes.

3. The front cover hinge semi-automatic assembling apparatus according to claim 2, wherein: the sleeve penetrating and pressing clamp comprises a support, a first fixed block, a second fixed block, a bushing suction nozzle, a rivet suction nozzle, a transverse rail and a vertical rail, wherein the support is arranged above a clamping table, the vertical rail is fixedly arranged on the support, the first fixed block is connected to the vertical rail in a sliding mode, the second fixed block is connected to the first fixed block through the transverse rail, the bushing suction nozzle and the rivet suction nozzle are arranged at the bottom of the second fixed block, the second fixed block can move along the transverse direction or the vertical direction, and the bushing suction nozzle and the rivet suction nozzle carry bushings or rivets below.

4. A front cover hinge semi-automatic assembling apparatus according to claim 3, wherein: the distance between the bushing suction nozzle and the rivet suction nozzle is consistent with the distance between the bushing vibration disk conveying tail end, the clamping table and the rivet vibration disk conveying tail end.

5. The front cover hinge semi-automatic assembly device according to claim 4, wherein: the rivet suction nozzle can press downwards against the rivet to press the rivet and the bushing into the punching holes of the two punching parts.

6. The front cover hinge semi-automatic assembling apparatus according to claim 5, wherein: the riveting mechanism comprises a stamping head, a riveting table and fixed clamping assemblies, a riveting supporting seat is arranged in the middle of the riveting table, the stamping head is correspondingly arranged at the top of the riveting supporting seat, two groups of fixed clamping assemblies are symmetrically arranged on the left side and the right side of the riveting supporting seat, a punched workpiece which is completed by penetrating is moved to the riveting table, the riveting supporting seat supports the position of a punched hole, the first punching arm and the second punching arm are clamped by the fixed clamping assemblies, the stamping head punches downwards, and the lining and the rivet are riveted together.

7. The front cover hinge semi-automatic assembly device according to claim 6, wherein: the fixed clamping assembly comprises a fixed supporting table and a movable supporting table, the fixed supporting table supports the first stamping arm, the movable supporting table supports the second stamping arm, a rotatable pressing block is respectively arranged on the fixed supporting table and the movable supporting table, and the rotatable pressing block can press or loosen the two stamping arms.

8. The front cover hinge semi-automatic assembly device according to claim 7, wherein: the movable supporting table is right trapezoid, the inclined surface of the movable supporting table abuts against the second stamping arm, the movable supporting table is connected to the front side of the fixed supporting table through the guide rod, the distance between the movable supporting table and the fixed supporting table can be adjusted through the guide rod, and then the riveting included angle between the first stamping arm and the second stamping arm can be adjusted.