CN217304351U

CN217304351U - Part detecting and positioning device

Info

Publication number: CN217304351U
Application number: CN202221141228.9U
Authority: CN
Inventors: 王灵通
Original assignee: Nanjing Yingnigema Industrial Automation Technology Co ltd
Current assignee: Nanjing Yingnigema Industrial Automation Technology Co ltd
Priority date: 2022-05-12
Filing date: 2022-05-12
Publication date: 2022-08-26
Anticipated expiration: 2032-05-12

Abstract

The utility model discloses a part detects positioner belongs to automobile parts machining technical field, including the work piece plummer, be provided with location detection mechanism on the work piece plummer, location detection mechanism includes: the positioning mechanism comprises a plurality of positioning pin assemblies and a pin withdrawing mechanism for driving the plurality of positioning pin assemblies to move up and down; the detection mechanism is used for detecting the movement information of the positioning pin assembly, the utility model can automatically identify the neglected loading standard component parts, and can not carry out the next clamping action, and the workpiece loading worker can find the neglected loading standard component parts immediately, thereby improving the qualification rate of the product; the detection and thermal connection procedures are integrated, so that the investment of manpower and equipment is reduced, and the production cost is reduced; and a pin withdrawing mechanism is also arranged, so that the problem of difficulty in taking the workpiece after thermal deformation is solved.

Description

Part detecting and positioning device

Technical Field

The utility model relates to an automobile parts machining technical field, in particular to part detects positioner.

Background

Along with the improvement of the demand of people on the diversification of the functions of the automobile, the demand of standard parts for connecting automobile body parts is synchronously improved. The bushing is used as an important connecting standard component on parts and plays a very important role in connecting the whole automobile body;

the existing detection work for the standard part on the part and the thermal connection work (spot welding, arc welding, etc.) of the part are separately carried out, and the method has the following defects:

1. materials are easy to mix in the circulation processes of the detection process and the thermal connection process, so that defective products flow into a finished product warehouse, and the product percent of pass is reduced;

2. the added working procedures need corresponding equipment and labor investment, so that the cost is increased;

3. the positions of the devices need to be planned respectively, so that the floor area of a workshop is increased;

4, two separate processes reduce the production efficiency;

5. after hot connection, the product can produce a certain amount of deformation because of expend with heat and contract with cold, and the locating pin is easy to be jammed and leads to getting a difficulty.

It is therefore desirable to design a device that can both test a standard part and position a part during hot joining operations.

SUMMERY OF THE UTILITY MODEL

The utility model provides a part detects positioner can solve a problem that points out among the background art at least.

The utility model provides a part detects positioner, includes the work piece plummer, be provided with location detection mechanism on the work piece plummer, location detection mechanism includes:

the positioning mechanism comprises a plurality of positioning pin assemblies and a pin withdrawing mechanism for driving the plurality of positioning pin assemblies to move up and down;

and a detection mechanism for detecting the movement information of the dowel pin assembly.

Preferably, the positioning pin assembly comprises a positioning pin, a compression spring and a spring limiting block;

the compression spring is sleeved on the locating pin, the spring limiting block is arranged on the workpiece bearing table, and the compression spring is located on the upper side of the spring limiting block.

The preferred, the promotion mechanism including move back round pin cylinder and with move back the connecting plate that the output of round pin cylinder is connected, seted up on the connecting plate with a plurality of groove of stepping down of locating pin one-to-one, still be provided with two nuts on the locating pin, two the nut is located respectively the upper and lower both sides of connecting plate.

Preferably, the detection mechanism comprises a frame arranged on the pin withdrawing mechanism and a plurality of proximity sensors arranged on the frame, and the proximity sensors are positioned right below the positioning pins;

the proximity sensor is capable of detecting movement information of the dowel assembly and converting the information into an electrical signal that is transmitted to the controller.

Preferably, the top of the locating pin is conical.

Preferably, a part supporting block is arranged at the top of the workpiece bearing table.

Preferably, the pin withdrawing cylinder is arranged on a mounting seat, and a pin withdrawing limiting block is arranged at the top of the mounting seat.

Preferably, the number of the dowel assemblies is two.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the product thermal connection process and the standard component detection process are integrated into a set of device, so that the production efficiency is greatly improved;

2. for parts with neglected loading standard parts, the device can automatically identify and cannot perform the next clamping action, and a workpiece loading worker can immediately find the parts, so that the qualification rate of products is improved;

3. the device integrates the detection and thermal connection processes, reduces the investment of manpower and equipment, and reduces the production cost;

4. the positioning device comprises a pin withdrawing mechanism, and the problem that the workpiece is difficult to take after thermal deformation is solved.

Drawings

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

FIG. 2 is a schematic structural view of the locating pin assembly and the detecting mechanism of the present invention;

fig. 3 is a partial sectional view of the joint between the top of the positioning pin and the component of the present invention.

Description of reference numerals:

1. the device comprises a workpiece bearing table, 2, a positioning pin, 3, a compression spring, 4, a spring limiting block, 5, a pin withdrawing cylinder, 6, a connecting plate, 7, a yielding groove, 8, a nut, 9, a frame, 10, a proximity sensor, 11, a part supporting block, 12, a mounting seat, 13, a pin withdrawing limiting block, 14, a part, 15 and a bushing.

Detailed Description

In the following, an embodiment of the present invention will be described in detail with reference to the drawings, but it should be understood that the scope of the present invention is not limited by the embodiment.

As shown in fig. 1 to fig. 3, the embodiment of the utility model provides a part detects positioner, including work piece plummer 1, be provided with location detection mechanism on the work piece plummer 1, location detection mechanism includes:

and a detection mechanism for detecting movement information of the positioning pin 12 of the positioning pin assembly.

As shown in fig. 2, the number of the dowel assemblies is two, and the number of the dowel assemblies is not limited to two and can be selected according to actual situations;

the positioning pin assembly comprises a positioning pin 2, a compression spring 3 and a spring limiting block 4;

the compression spring 3 is sleeved on the positioning pin 2, the spring limiting block 4 is arranged on the workpiece bearing table 1, and the compression spring 3 is located on the upper side of the spring limiting block 4.

The pushing pin mechanism comprises a pin withdrawing cylinder 5 and a connecting plate 6 connected with the output end of the pin withdrawing cylinder 5, a plurality of abdicating grooves 7 which correspond to the positioning pins 2 one by one are formed in the connecting plate 6, two nuts 8 are further arranged on the positioning pins 2, and the two nuts 8 are respectively positioned on the upper side and the lower side of the connecting plate 6;

after the thermal connection work is finished, the pushing pin cylinder 5 drives the connecting plate 6 to move, the connecting plate 6 can be abutted against one nut 8 in the moving process so as to drive the positioning pin 2 to move, the pin withdrawing process is finished, and the part can be conveniently taken out;

the detection mechanism comprises a frame 9 arranged on the pin withdrawing mechanism and a plurality of proximity sensors 10 arranged on the frame 9, and the proximity sensors 10 are positioned right below the positioning pins 2;

the proximity sensor 10 is an inductive proximity sensor;

when the locating pin 2 is pressed down by the bush 15, the proximity sensor 10 can detect the information that the locating pin 2 moves downwards, and the information is converted into an electric signal and transmitted to a controller (PLC), and the controller performs detection confirmation on the bush through preset program logic.

As shown in fig. 3, the top of the positioning pin 2 is tapered, the size of the hole on the part 14 is larger than that of the positioning pin 2, the bushing 15 is installed in the hole on the part 14, if the part 14 has the bushing 15, when the part 14 is placed on the part supporting block 11, the bushing 15 will abut against the top of the positioning pin 2 and press the positioning pin 2 downwards, and if the part 14 does not have the bushing 15, the position of the positioning pin 2 will not change.

And a part supporting block 11 is arranged at the top of the workpiece bearing table 1.

The pin withdrawing cylinder 5 is arranged on a mounting seat 12, and a pin withdrawing limiting block 13 is arranged at the top of the mounting seat 12.

The utility model discloses a part detects positioner's positioning mechanism is the partly of hot connection process, and the anchor clamps subassembly and the welding subassembly etc. of hot connection process are not drawn in the picture.

The working principle is as follows: when a part 14 with a bush 15 is placed on a supporting surface of a part supporting block 11, the bush 15 can press down a positioning pin 2 with a compression spring 3 to trigger a proximity sensor 10, send a signal to a controller, detect and confirm the bush 15 through preset program logic, judge the part as a qualified part and carry out thermal connection work; when the part 14 is provided with the bushing 15 in a neglected loading manner, the hole site size of the part 14 is larger than that of the positioning pin 2, the positioning pin 2 cannot be pressed down, namely, the proximity sensor 10 cannot be triggered, the system cannot receive related signals, the bushing 15 is judged to be neglected loading, and then the thermal connection work cannot be carried out.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should make the description as a whole, and the embodiments may be appropriately combined to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a part detects positioner, includes the work piece plummer, its characterized in that, be provided with location detection mechanism on the work piece plummer, location detection mechanism includes:

2. The parts inspection positioning device of claim 1, wherein said dowel assembly comprises a dowel pin, a compression spring, and a spring stop;

3. The part detecting and positioning device according to claim 2, wherein the pin removing mechanism comprises a pin removing cylinder and a connecting plate connected with an output end of the pin removing cylinder, a plurality of yielding grooves corresponding to the plurality of positioning pins one to one are formed in the connecting plate, two nuts are further arranged on the positioning pins, and the two nuts are respectively located on the upper side and the lower side of the connecting plate.

4. The component detecting and positioning device as claimed in claim 1, wherein the detecting mechanism comprises a frame disposed on the pin withdrawing mechanism and a plurality of proximity sensors disposed on the frame, the proximity sensors being located directly below the positioning pins;

5. The parts inspecting positioning apparatus of claim 2, wherein the top of said positioning pin is tapered.

6. The component detecting and positioning device as claimed in claim 1, wherein a component support block is provided on the top of the workpiece support table.

7. The part detecting and positioning device as claimed in claim 3, wherein the pin-removing cylinder is disposed on a mounting seat, and a pin-removing limiting block is disposed on the top of the mounting seat.

8. The parts inspection positioning apparatus of claim 1, wherein the number of the dowel assemblies is two.