CN212371504U

CN212371504U - Position fixing device before welding of irregular MIM piece

Info

Publication number: CN212371504U
Application number: CN202020375671.7U
Authority: CN
Inventors: 柏杨
Original assignee: Suzhou Lingyu Electronic Technology Co Ltd
Current assignee: Suzhou Lingyu Electronic Technology Co Ltd
Priority date: 2020-03-23
Filing date: 2020-03-23
Publication date: 2021-01-19
Anticipated expiration: 2030-03-23

Abstract

The utility model discloses a position fixing device before welding of irregular MIM spare. The device comprises a bottom table, wherein a bottom plate is arranged in the middle of the top surface of the bottom table, a vertical processing seat is arranged on the bottom plate, and a plurality of sunken processing positions are arranged in parallel on the top of the processing seat; one side of the processing seat is provided with a handle part, the other side of the processing seat is provided with a plurality of stop blocks side by side, and the handle part and each stop block extend into the processing seat and are mutually contacted; the upper part of the side surface of each stop block, which faces each processing station, horizontally extends out of a plurality of bolts, which face each processing station, and the processing stations are provided with jacks matched with the bolts. The utility model provides an irregular MIM spare welds preceding position fixing device can closely fix the MIM spare with suitable mode, avoids adding the size deviation that appears mistake such as activity dislocation and lead to man-hour, has not only saved manpower, material resources and time, has still improved the efficiency of parts product processing, has reduced the defective rate and the processing cost of product simultaneously.

Description

Position fixing device before welding of irregular MIM piece

Technical Field

The utility model relates to a parts machining field, in particular to position fixing device before welding of irregular MIM spare.

Background

In the field of small mechanical electrical products, MIM technology, i.e. metal injection molding, is increasingly used, due to its advantages of being suitable for mass production of small, precise and complex-structured metal parts. Many parts with unique structures, such as the card holder, are generally manufactured by the MIM technology, and may be referred to as MIM devices.

Generally, after the MIM component is manufactured and formed, further processing steps, such as welding, grinding, etc., are sometimes performed. Common MIM spare not only a great variety, the appearance also often is very irregular, often is difficult to fix steadily, then appears the mistake such as activity dislocation easily when carrying out work such as welding to lead to the size of part product to produce the deviation, not only wasted manpower, material resources and time, still reduced the efficiency of part product processing, improved the defective rate and the processing cost of product simultaneously.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a position fixing device before welding of irregular MIM spare.

According to one aspect of the utility model, the fixing device for the position of the irregular MIM part before welding is provided, which comprises a bottom table, wherein the middle part of the top surface of the bottom table is provided with a bottom plate, a vertical processing seat is arranged on the bottom plate, and the top of the processing seat is provided with a plurality of sunken processing positions side by side;

one side of the processing seat is provided with a handle part, the other side of the processing seat is provided with a plurality of stop blocks side by side, and the handle part and each stop block extend into the processing seat and are mutually contacted;

a plurality of transverse pin shafts respectively penetrate through the stop blocks and are connected to the processing seat, the stop blocks can slide along the pin shafts, and springs are sleeved between pin heads of the pin shafts and the stop blocks;

and a plurality of bolts horizontally extend out of the upper parts of the side surfaces of the stop blocks facing the processing stations, and jacks matched with the bolts are arranged on the processing stations.

The utility model provides an irregular MIM spare before welding position fixing device can closely fix the MIM spare with suitable mode, makes it keep firm in order to be used for welding process, avoids appearing the size deviation that mistake such as activity dislocation and lead to, has not only saved manpower, material resources and time, has still improved the efficiency of part product processing, has reduced the defective rate and the processing cost of product simultaneously.

In some embodiments, a plurality of supporting columns are arranged on both sides of the top surface of the bottom table, and a top table provided with a through hole is connected above each supporting column; wherein, the top platform is located the top of processing seat. Therefore, each specific structure on the bottom table is further arranged, and the MIM product in the processing station can be processed from the upper part of the top table through the processing hole.

In some embodiments, a plurality of backing plates are laid on top of the process kit. Therefore, the cushion plate can protect the processing seat so as to avoid unnecessary damage to the processing seat when the MIM component product is processed.

In some embodiments, the backing plate is provided with a plurality of processing holes, and each processing hole is respectively positioned right above each processing station. The MIM product in the machining station can thus be machined from above the shim plate by means of the machining holes.

In some embodiments, the handle portion includes a handle connected to one side of a movable block via a movable rod, and the other side of the movable block extends through the machining seat and contacts the stoppers. Thus, a specific structure of the handle portion is provided for urging the respective stoppers to move.

In some embodiments, the handle portion further includes a handle base coupled to the base plate, and the handle is mounted to the handle base. Thereby, a specific structure of the handle portion, i.e. a specific mounting of the handle, is further provided.

In some embodiments, a pressing block which is in contact with the movable block is arranged at the bottom of the stop block on the same side as the plug pin. Therefore, the concrete structure of the stop block is further arranged, the movable block can extrude the pressing block to enable the stop block to move,

in some embodiments, the number of the stoppers is 3, and the number of the processing stations and the number of the pins are 6. Therefore, the number of the processing stations is the number of MIM piece products which can be processed simultaneously, and other suitable settings can be carried out according to actual conditions.

Drawings

Fig. 1 is a schematic structural view of a fixing device for an irregular MIM component before welding according to an embodiment of the present invention;

FIG. 2 is a schematic view of the structure of the various mechanisms mounted on the base plate shown in FIG. 1;

FIG. 3 is a partial schematic structural view of the top portion of the base plate shown in FIG. 2;

FIG. 4 is a schematic view of the handle portion of FIG. 2;

fig. 5 is a schematic view of a related structure of the stopper shown in fig. 2.

In the figure: the device comprises a bottom table 1, a bottom plate 2, a handle part 3, a stop block 4, a pin shaft 5, a cushion plate 6, an MIM (metal injection molding) piece 7, a support column 11, a top table 12, a through hole 13, a processing seat 21, a processing position 22, an insertion hole 23, a handle 31, a movable rod 32, a movable block 33, a handle seat 34, a plug pin 41, a pressing block 42, a spring 51 and a processing hole 61.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Fig. 1 schematically shows the structure of a fixing device for the irregular MIM member before welding according to an embodiment of the present invention, and fig. 2 shows the structures of the mechanisms mounted on the base plate of fig. 1; FIG. 3 shows the structure of FIG. 2 with parts removed from the top of the base plate; FIG. 4 shows the structure of the handle portion of FIG. 2; fig. 5 shows a related structure of the stopper in fig. 2. As shown in fig. 1 to 5, the apparatus includes a base 1, a base plate 2 is provided at a central portion of a top surface of the base 1, and main components for fixing and products are mounted on the base plate 2. A plurality of supporting columns 11 are arranged on both sides of the top surface of the bottom table 1, a horizontal top table 12 is connected above each supporting column 11, and the top table 12 is positioned above the processing seat 21; wherein, the middle part of top platform 12 then is located bottom plate 2 directly over to set up a plurality of vertical through-holes 13 that sink in, when installing a plurality of MIM spare 7 on the corresponding subassembly on bottom plate 2, each through-hole 13 is located each MIM spare 7 directly over, then can follow the top of top platform 12 and process MIM spare 7 through-hole 13, so as to avoid damaging the subassembly that must be used for fixed MIM spare 7 on bottom plate 2.

The bottom plate 2 is provided with a vertically arranged processing seat 21, the top of the processing seat 21 is far higher than the upper surface of the bottom plate 2, and a plurality of invaginated processing positions 22 are arranged side by side, and the processing positions 22 can be used for placing MIM (metal injection molding) pieces 7 to be processed.

Preferably, a plurality of spacers 6 are laid on top of the machining seat 21, the spacers 6 further protecting and securing the MIM elements 7 placed on the machining station 22. Each of the backing plates 6 is provided with a plurality of vertical processing holes 61, and each of the processing holes 61 is located directly above the processing station 22, so that the processing work of the MIM members 7 at the processing station 22 is not hindered by the backing plate 6 through the processing holes 61.

One side of the processing seat 21 is provided with a handle part 3, and the handle part 3 mainly comprises a horizontally placed handle 31, the bottom of the handle 31 is arranged on a handle seat 34, and the handle seat 34 is connected with the bottom plate 2. And the side of the handle 31 is connected to a movable block 33 by a horizontal movable rod 32. One side of the movable block 33 is connected to the handle 31, and the other side extends toward the machining seat 21 to extend into the machining seat 21.

The other side of the processing seat 21 is provided with a plurality of movable stoppers 4 side by side, wherein, a plurality of bolts 41 extend side by side from the upper portion of the side of each stopper 4 facing the processing seat 21, the number and position of each bolt 41 correspond to each processing position 22, and a horizontal insertion hole 23 recessed to the side is arranged on the side of each processing position 22 of the processing seat 21, and each bolt 41 can be inserted into each insertion hole 23 in a matching way.

The bottom of each stop 4 on the same side as the plug 41 is provided with a pressure block 42, wherein the pressure block 42 can extend into the machining seat 21 and contact with the movable block 33 extending into the machining seat 21 from the other side.

A plurality of horizontal pins 5 penetrate the stoppers 4 and are connected to the machining seat 21, and the stoppers 4 can slide along the pins 5. The pin head of the pin 5 is located on the side of the stopper 4 facing away from the processing seat 21, and a spring 51 is sleeved between the pin head of the pin 5 and the stopper 4. The fixing device is thus in the natural state, each stop 4 abuts against the machining seat 21 under the action of the spring 51 and each plug 41 remains inserted in each receptacle 23.

Preferably, the number of the processing positions 22 is 6, and the number of the stoppers 4 and the backing plates 6 is 3, and two pins 41 are provided on each stopper 4.

When the fixing device is used for fixing the MIM member 7, the bottom plate 2 and the components on the bottom plate are taken out, the cushion plate 6 is removed, the processing positions 22 on the processing seat 21 are exposed, the handle 31 of the handle part 3 is operated, and the stop blocks 4 contacted with the stop plate are pushed to be far away from the processing seat 21 through the movable block 33, so that the MIM member 7 can be placed in the processing positions 22; during the placement of the MIM element 7, attention is paid to the right-angled edge of the MIM element 7 and this edge is pressed against the inner wall of the processing station 22 on the side facing away from the stop 4. Then, the handle 31 is operated to return the movable block 33 to the original position, each stopper 4 moves to the original position under the action of the spring 51 to be tightly attached to the processing seat 21, and each plug pin 41 is inserted into each insertion hole 23, so that the MIM component 7 is clamped; finally, the shim plate 6 is mounted and the entire base plate 2 and the components thereon are placed on the base table 1, i.e. the MIM package 7 can be machined by means of a tool bit of a machining device or the like through the through hole 13 and the machining hole 61.

What has been described above are only some embodiments of the invention. For those skilled in the art, without departing from the inventive concept, several modifications and improvements can be made, which are within the scope of the invention.

Claims

1. The utility model provides a position fixing device before welding of irregular MIM spare which characterized in that: the processing device comprises a bottom table (1), wherein a bottom plate (2) is arranged in the middle of the top surface of the bottom table (1), a vertical processing seat (21) is installed on the bottom plate (2), and a plurality of inwards-sunken processing stations (22) are arranged on the top of the processing seat (21) side by side;

one side of the processing seat (21) is provided with a handle part (3), the other side of the processing seat is provided with a plurality of stop blocks (4) side by side, and the handle part (3) and each stop block (4) extend into the processing seat (21) and are mutually contacted;

a plurality of transverse pin shafts (5) penetrate through the stop blocks (4) respectively and are connected to the processing seat (21), the stop blocks (4) can slide along the pin shafts (5), and springs (51) are sleeved between pin heads of the pin shafts (5) and the stop blocks (4);

a plurality of bolts (41) horizontally extend from the upper part of the side surface of each stop block (4) facing each processing station (22), and jacks (23) matched with the bolts (41) are arranged on the processing stations (22).

2. The irregular MIM article pre-weld fixture according to claim 1, wherein: a plurality of supporting columns (11) are arranged on two sides of the top surface of the bottom table (1), and a top table (12) provided with a through hole (13) is connected above each supporting column (11); wherein the top table (12) is positioned above the processing seat (21).

3. The irregular MIM article pre-weld fixture according to claim 1, wherein: and a plurality of backing plates (6) are laid at the top of the processing seat (21).

4. The irregular MIM article pre-weld fixture according to claim 3, wherein: the base plate (6) is provided with a plurality of processing holes (61), and the processing holes (61) are respectively positioned right above the processing stations (22).

5. The irregular MIM article pre-weld fixture according to claim 1, wherein: the handle part (3) comprises a handle (31), the handle (31) is connected with one side of a movable block (33) through a movable rod (32), and the other side of the movable block (33) penetrates through the processing seat (21) and is in contact with the stop blocks (4).

6. The irregular MIM article pre-weld fixture according to claim 5, wherein: the handle part (3) further comprises a handle base (34) connected with the bottom plate (2), and the handle (31) is installed on the handle base (34).

7. The irregular MIM article pre-weld fixture according to claim 5, wherein: and a pressing block (42) which is contacted with the movable block (33) is arranged at the bottom of the stop block (4) on the same side as the bolt (41).

8. The irregular MIM article pre-weld fixture according to claim 1, wherein: the number of the stop blocks (4) is 3, and the number of the processing positions (22) and the number of the inserted pins (41) are 6.