CN210361115U - Rotatable workbench for die assembly - Google Patents

Abstract

The utility model discloses a rotatable workbench for die assembly, which comprises a fixed base, wherein a support column is fixedly connected to the fixed base, a fixed cross beam is fixedly connected to the top of the support column, a transmission bearing is further arranged on the support column, one end of the transmission bearing is connected with the support column, the other end of the transmission bearing is connected with a support frame, a plurality of rolling bearings are arranged and connected between the support frames, and two ends between the support frames are respectively connected with a clamping plate with holes; the fixed cross beam is provided with a manual lifting hoist, and the manual lifting hoist is connected with a clamping plate with a hole through a roller and a connecting rope; the support frame, the clamping plate with the holes and the rolling bearing form a working table, one end of the working table is connected with a connecting rope, and the other end of the working table is provided with a transmission bearing. The utility model discloses simple structure, convenient, the safe and reliable of operation.

Description

Rotatable workbench for die assembly

Technical Field

The utility model relates to a lead frame makes the field, especially relates to a rotatable workstation for die assembly.

Background

The lead frame is used as a chip carrier of an integrated circuit, and not only plays a role of bearing an IC chip in the circuit, but also plays a role of connecting the chip with an external circuit board for electric signals, mechanical action for mounting and fixing, and the like, so that the lead frame is the basis of the integrated circuit. Therefore, the requirement on the precision of the lead frame is particularly high, and the production modes of the lead frame at home and abroad generally comprise an etching mode and a stamping mode.

The stamping die is essential technological equipment in stamping production, and the precision of the stamping die must be ensured firstly to ensure the product precision of a stamped lead frame. In the actual process of machining the die parts, machining errors are inevitably generated, so that the gaps and stations of the die are required to be repeatedly adjusted during later die assembly to meet the requirements of expected products. Therefore, whether the workbench required by the die assembly and debugging is suitable or not is very important, and the suitable workbench can achieve the effect of achieving twice the result with half the effort in the process of assembly and debugging.

Although the conventional workbench can meet basic use requirements, other problems still exist. Firstly, when the operation is carried out on a traditional workbench, parts on the upper part of the die can be directly installed and debugged, but when the parts need to be knocked out from the bottom of the die, the die needs to be turned over by a turning-over rod and then operated, the weight of the die is generally 100 kg to 300 kg, and therefore the labor intensity of an operator is greatly increased; in addition, traditional table surface is the entity, does not leak the silo, and stamping die has a large amount of waste materials stifled in the die cavity at blanking in-process, when debugging or repairing the mould, need go out the waste material from die cavity mouth clearance, can make the waste material siltation on table surface like this to influence the use of workstation.

In the prior art, there are also improved schemes for the mold assembling workbench, such as a magnetic levitation type mold assembling workbench disclosed as CN 206952948U; the magnetic suspension device comprises a permanent magnet arranged in the moving plate and a coil array consisting of electromagnetic coils arranged in the assembling table; the movable plate comprises a first movable plate and a second movable plate, a clamping structure is arranged between the first movable plate and the second movable plate, and the second movable plate is provided with a mold side support assembly. The utility model discloses lean on magnetic levitation theory of operation can be with the light free removal of the heavy object of putting on first, two movable plates, the die assembly is more swift convenient, and is more light, has solved the problem of the heavy difficult removal of mould in the die assembly, has improved the production efficiency of manual assembly mould, compound die. Although the problem that the mold is difficult to move is solved by the scheme, the structure is complex, the cost is high, and the maintenance is troublesome.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the not enough of prior art, provide a simple structure, convenient operation, reliability height, rotatable mould assembly workstation.

The utility model adopts the technical proposal that: the rotatable workbench for die assembly comprises a fixed base, wherein a support column is fixedly connected to the fixed base, a fixed cross beam is fixedly connected to the top of the support column, a transmission bearing is further arranged on the support column, one end of the transmission bearing is connected with the support column, the other end of the transmission bearing is connected with a support frame, a plurality of rolling bearings are connected between the support frames, and two ends between the support frames are respectively connected with a clamping plate with a hole; the fixed cross beam is provided with a manual lifting hoist, and the manual lifting hoist is connected with a clamping plate with a hole through a roller and a connecting rope; the support frame, the clamping plate with the holes and the rolling bearing form a working table, one end of the working table is connected with a connecting rope, and the other end of the working table is provided with a transmission bearing.

As a further improvement of the present invention, the drive bearing is located at about 1/3 of the countertop.

As a further improvement of the present invention, the rolling bearing is located on the same horizontal plane, the perforated clamping plate is located on the same horizontal plane, and the plane on which the perforated clamping plate is located is slightly lower than the plane on which the rolling bearing is located.

The utility model discloses a beneficial effect be: the rotatable workbench of the structure has the following advantages: 1) the labor intensity of an operator is reduced, the working table top can be lifted and rotated, and time and labor are saved; 2) the invention designs the worktable into a rolling bearing structure, so that a single person can move the die to the worktable, thereby avoiding the situation that the two operators operate at the same time; 3) the structure is simple, the installation can be carried out only by operating a small number of parts, the error is not easy to occur, and the reliability is high; 4) the worktable surface is of a rolling bearing structure, and a certain gap is reserved between the bearings, so that foreign matters can be prevented from being adhered to the bottom of the die. The utility model discloses simple structure, convenient, the safe and reliable of operation.

Drawings

Fig. 1 is a schematic view of the present invention.

Shown in the figure: 1 unable adjustment base, 2 support columns, 3 driving bearing, 4 support frames, 5 foraminiferous cardboard, 6 antifriction bearing, 7 fixed cross beams, 8 manual lift calabashes, 9 gyro wheels, 10 connection ropes.

Detailed Description

The present invention will be further described with reference to fig. 1.

As shown in fig. 1, the rotatable workbench for mold assembly comprises a fixed base 1, wherein a support column 2 is fixedly connected to the fixed base 1, a fixed cross beam 7 is fixedly connected to the top of the support column 2, a transmission bearing 3 is further arranged on the support column 2, one end of the transmission bearing 3 is connected to the support column 2, the other end of the transmission bearing is connected to a support frame 4, a plurality of rolling bearings 6 are arranged between the support frames 4, and two ends of each support frame 4 are respectively connected to a clamping plate 5 with holes; a manual lifting hoist 8 is arranged on the fixed cross beam 7, and the manual lifting hoist 8 is connected with the clamping plate 5 with the hole through a roller 9 and a connecting rope 10; support frame 4, foraminiferous cardboard 5 and antifriction bearing 6 constitute table surface, table surface one end is connected with and connects rope 10, and its other end is equipped with drive bearing 3.

In order to ensure the working efficiency and the working quality of the utility model, the transmission bearing is positioned at about 1/3 of the working table. To enhance the free rotation and movement of the entire worktop, drive bearings are mounted at 1/3 on the worktop.

In order to ensure the free movement and rotation of the die on the working table, the rolling bearings 6 are positioned on the same horizontal plane, the perforated clamping plates 5 are positioned on the same horizontal plane, and the plane where the perforated clamping plates 5 are positioned is slightly lower than the plane where the rolling bearings 6 are positioned.

Embodiment 1 assembles unable adjustment base 1, support column 2, driving bearing 3, grooved support frame 4, foraminiferous cardboard 5, antifriction bearing 6, fixed cross beam 7, manual hoist 8, pulley 9 and each part of connecting rope 10, adjusts the distance between two foraminiferous cardboard 5, keeps the distance of hole interval and mould bottom screw hole unanimous, and the error is not poor more than 0.5 mm. The support frame 4 and the clamping plate 5 with the holes are screwed up by screws, but the rolling bearing 6 can rotate freely, the fixing base 1 is installed on the ground according to a certain distance according to requirements through screws, the support column 2 is fixedly connected with the fixing base 1 and is vertical to the ground, one end of the transmission bearing 3 is fixed on the support column 2, the other end of the transmission bearing is connected with the support frame 4, the transmission bearing is located at the position of the working table 1/3, and the working table can rotate freely in a free state. Fixed beam 7 is fixed on support column 2, installs manual hoist 8 on the fixed beam, and manual hoist 8 passes through gyro wheel 9 and connects rope 10 and connect foraminiferous cardboard 5. Before moving the mould to rotatory workstation and carrying out the operation, adjust table surface to the parallel state through manual hoist 8 earlier, move the mould again on table surface, mould bottom screw hole corresponds with the round hole on the foraminiferous cardboard 5, fixes mould and table surface with the screw, ensures that table surface mould can not remove under the state of slope, adjusts the mould to suitable angle through manual hoist 8 at last and carries out the operation. After the die is moved onto the working table surface, the working table surface is ensured to be in a parallel state before the die and the working table surface are fixed by screws, so that the die cannot slide on the working table surface, and the safety is ensured; the whole workbench is arranged on the ground, so that the stability and firmness of the workbench are ensured, and unnecessary potential safety hazards are avoided; all the rolling bearings are on the same horizontal plane, the plane of the perforated clamping plate is slightly lower than that of the rolling bearings, and the die can freely move on the working table; the working table top and the rolling bearings on the working table top can rotate freely, so that the labor intensity of an operator is reduced; the connecting part of the transmission bearing and the working table top is required to be positioned at the 1/3 position of the working table top, and the connecting rope is always in a stressed state.

The rotatable workbench of the structure has the following advantages: 1) the labor intensity of an operator is reduced, the working table top can be lifted and rotated, and time and labor are saved; 2) the invention designs the worktable into a rolling bearing structure, so that a single person can move the die to the worktable, thereby avoiding the situation that the two operators operate at the same time; 3) the structure is simple, the installation can be carried out only by operating a small number of parts, the error is not easy to occur, and the reliability is high; 4) the worktable surface is of a rolling bearing structure, and a certain gap is reserved between the bearings, so that foreign matters can be prevented from being adhered to the bottom of the die.

It should be known to those skilled in the art that the protection scheme of the present invention is not limited to the above-mentioned embodiments, and various permutations, combinations and transformations can be performed on the basis of the above-mentioned embodiments, without violating the spirit of the present invention, all the transformations performed by the present invention fall within the protection scope of the present invention.

Claims (3)

1. The rotatable workbench for die assembly is characterized by comprising a fixed base (1), wherein a support pillar (2) is fixedly connected to the fixed base (1), a fixed cross beam (7) is fixedly connected to the top of the support pillar (2), a transmission bearing (3) is further arranged on the support pillar (2), one end of the transmission bearing (3) is connected with the support pillar (2), the other end of the transmission bearing is connected with a support frame (4), a plurality of rolling bearings (6) are arranged and connected between the support frames (4), and two ends between the support frames (4) are respectively connected with a clamping plate (5) with holes; a manual lifting hoist (8) is arranged on the fixed cross beam (7), and the manual lifting hoist (8) is connected with the clamping plate (5) with the hole through a roller (9) and a connecting rope (10); the support frame (4), the clamping plate with the hole (5) and the rolling bearing (6) form a working table, one end of the working table is connected with the connecting rope (10), and the other end of the working table is provided with the transmission bearing (3).

2. A rotatable table for use in die assembly according to claim 1 wherein the drive bearing (3) is located at about 1/3 of the table top.

3. A rotatable table for use in die assembly according to claim 1 or 2, wherein the rolling bearings (6) are located on the same horizontal plane, the perforated clamping plate (5) is located on the same horizontal plane, and the plane on which the perforated clamping plate (5) is located is slightly lower than the plane on which the rolling bearings (6) are located.

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