CN217389005U

CN217389005U - Floating pressing mechanism

Info

Publication number: CN217389005U
Application number: CN202220133331.2U
Authority: CN
Inventors: 农家权; 吴国侦
Original assignee: Shenzhen Weishi Acoustics Co Ltd
Current assignee: Shenzhen Weishi Acoustics Co Ltd
Priority date: 2022-01-18
Filing date: 2022-01-18
Publication date: 2022-09-06
Anticipated expiration: 2032-01-18

Abstract

The utility model discloses a floating pressing mechanism, which comprises a first elastic part, a second elastic part, a linear driving part, a connecting frame and a pressing head, wherein the linear driving part, the connecting frame and the pressing head are sequentially connected; a first elastic piece is arranged at the joint of the linear driving piece and the connecting frame, so that the connecting frame can float relative to the linear driving piece along a first direction; a second elastic piece is arranged at the joint of the connecting frame and the pressure head, so that the pressure head can float relative to the connecting frame along a second direction; the first direction is perpendicular to the second direction, and the first direction is the driving direction of the linear driving piece. This floating pressing mechanism can be used on the automatic test equipment that has higher requirement to leakproofness and levelness, can let the product level automatically in placing the position automatically. When this unsteady pressing mechanism is applied to miniature speaker test equipment on, this unsteady pressing mechanism can reduce the test miniature speaker and be judged NG phenomenon by mistake, reduces the product mistake and scrap, by the damage probability, does benefit to the manufacturing cost of control miniature speaker product.

Description

Floating pressing mechanism

Technical Field

The utility model relates to a frock tool technical field especially relates to a pressing mechanism floats.

Background

In the development and manufacturing process of the micro-speaker, acoustic performance test is indispensable. In order to improve the production efficiency and save the labor cost during production, each enterprise often uses automatic equipment to replace the traditional manual test. However, the automatic equipment only can operate according to a fixed program without manual flexibility, once a product is placed and deflected in the operation process of the machine, the test cylinder can be directly pressed down (due to the fact that manual leveling is not adopted), the NG for misjudgment of a rear cavity air leakage product is caused slightly, the product is directly crushed and scrapped seriously, the test efficiency is influenced, unnecessary product scrapping and resource waste are caused, and the manufacturing cost is increased invisibly.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: a floating press-fit mechanism is provided.

In order to solve the technical problem, the utility model discloses a technical scheme be: a floating pressing mechanism comprises a first elastic piece, a second elastic piece, a linear driving piece, a connecting frame and a pressure head, wherein the linear driving piece, the connecting frame and the pressure head are sequentially connected; the first elastic piece is arranged at the joint of the linear driving piece and the connecting frame, so that the connecting frame can float relative to the linear driving piece along a first direction; the second elastic piece is arranged at the joint of the connecting frame and the pressure head, so that the pressure head can float relative to the connecting frame along a second direction; the first direction is perpendicular to the second direction, and the first direction is a driving direction of the linear driving member.

Furthermore, first elastic component is the extension spring, still including connecting the fastener of the output of sharp driving piece, the one end of link and first elastic component cover is established respectively on the fastener, first elastic component is connected the fastener with the link.

Further, the fastener is a fastening bolt.

Furthermore, the second elastic piece is an elastic cushion block and further comprises a limiting piece connected with the connecting frame, one end of the pressure head and the second elastic piece are respectively sleeved on the limiting piece, and two opposite sides of the second elastic piece are respectively in contact with the connecting frame and the pressure head.

Furthermore, the limiting part is a limiting bolt, a long round hole for the limiting bolt to pass through is formed in the pressure head, the pressure head can float relative to the connecting frame along a third direction, and the third direction is perpendicular to the first direction and the second direction respectively.

Further, the first elastic piece is an elastic cushion block or an elastic sheet.

Further, the second elastic piece is a spring or a shrapnel.

The beneficial effects of the utility model reside in that: this floating pressing mechanism can be used on the automatic test equipment that has higher requirement to leakproofness and levelness, no matter treat to press the product to place the position whether slope, this floating pressing mechanism homoenergetic lets the product automatic level and smooth in placing the position automatically. When this unsteady pressing mechanism is applied to miniature speaker test equipment on, this unsteady pressing mechanism can reduce the test miniature speaker and be judged NG phenomenon by mistake, reduces the product mistake and scrap, by the damage probability, does benefit to the manufacturing cost of control miniature speaker product.

Drawings

Fig. 1 is a schematic structural view of a floating pressing mechanism according to a first embodiment of the present invention;

fig. 2 is a schematic structural diagram of a pressing head in a floating pressing mechanism according to a first embodiment of the present invention.

Description of reference numerals:

1. a first elastic member;

2. a second elastic member;

3. a linear drive;

4. a connecting frame;

5. a pressure head;

51. a long round hole;

6. a fastener;

7. and a limiting member.

Detailed Description

In order to explain the technical content, the objects and the effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.

Referring to fig. 1 and 2, a floating press-fit mechanism includes a first elastic member 1, a second elastic member 2, and a linear driving member 3, a connecting frame 4 and a pressing head 5 connected in sequence; the first elastic element 1 is arranged at the joint of the linear driving element 3 and the connecting frame 4, so that the connecting frame 4 can float along a first direction relative to the linear driving element 3; the second elastic piece 2 is arranged at the joint of the connecting frame 4 and the pressure head 5, so that the pressure head 5 can float relative to the connecting frame 4 along a second direction; the first direction is perpendicular to the second direction, and the first direction is a driving direction of the linear driving member 3.

From the above description, the beneficial effects of the present invention are: this floating pressing mechanism can be used on the automatic test equipment who has higher requirement to leakproofness and levelness, no matter treat that the product inclines or not placing the position, this floating pressing mechanism homoenergetic lets the product level automatically in placing the position. When this unsteady pressing mechanism is applied to miniature speaker test equipment on, this unsteady pressing mechanism can reduce the test miniature speaker and be judged NG phenomenon by mistake, reduces the product mistake and scrap, by the damage probability, does benefit to the manufacturing cost of control miniature speaker product.

Further, first elastic component 1 is the extension spring, still including connecting fastener 6 of the output of linear driving piece 3, the one end of link 4 and first elastic component 1 overlaps respectively and is established on fastener 6, first elastic component 1 is connected fastener 6 with link 4.

Further, the fastening member 6 is a fastening bolt.

From the above description, it is clear that the floatable realization of the connecting bracket 4 relative to the linear drive 3 is simple and reliable.

Further, the second elastic component 2 is an elastic cushion block and further comprises a limiting component 7 connected with the connecting frame 4, one end of the pressure head 5 and the second elastic component 2 are respectively sleeved on the limiting component 7, and two opposite sides of the second elastic component 2 are respectively in contact with the connecting frame 4 and the pressure head 5.

As can be seen from the above description, the floating realization of the pressure head 5 relative to the connecting frame 4 is simple and reliable.

Furthermore, the limiting part 7 is a limiting bolt, the pressure head 5 is provided with a long circular hole 51 through which the limiting bolt passes, the pressure head 5 can float relative to the connecting frame 4 along a third direction, and the third direction is respectively perpendicular to the first direction and the second direction.

As can be seen from the above description, the pressure head 5 can realize three-axis floating relative to the linear driving member 3, which is beneficial to further reducing the damage probability and the misjudgment probability of the product to be pressed.

Further, the first elastic member 1 is an elastic cushion block or an elastic sheet.

Further, the second elastic element 2 is a spring or a spring plate.

As can be seen from the above description, the first and second elastic members can be used as a plurality of parts, which is beneficial to enriching the diversity of the floating pressing mechanism.

Example one

Referring to fig. 1 and fig. 2, a first embodiment of the present invention is: a floating pressing mechanism can be applied to various pressing assembly jigs and pressing test jigs.

The floating pressing mechanism comprises a first elastic piece 1, a second elastic piece 2, a linear driving piece 3, a connecting frame 4 and a pressure head 5 which are sequentially connected; the first elastic piece 1 is arranged at the joint of the linear driving piece 3 and the connecting frame 4, so that the connecting frame 4 can float relative to the linear driving piece 3 along a first direction; the second elastic piece 2 is arranged at the joint of the connecting frame 4 and the pressure head 5, so that the pressure head 5 can float relative to the connecting frame 4 along a second direction; the first direction is perpendicular to the second direction, and the first direction is a driving direction of the linear driving member 3. The linear driving part 3 can be selected from an air cylinder, a linear push rod and the like.

In this embodiment, the first elastic member 1 is a tension spring, the floating pressing mechanism further includes a fastening member 6 connected to the output end of the linear driving member 3, one end of the connecting frame 4 and the first elastic member 1 are respectively sleeved on the fastening member 6, and the first elastic member 1 is connected to the fastening member 6 and the connecting frame 4. It is easy to understand that when the linear driving member 3 is not operated, a certain gap is formed between the output end of the linear driving member 3 and the connecting frame 4 to provide a certain space for the floating of the connecting frame 4. In other embodiments, the first elastic element 1 may also be an elastic cushion block, an elastic sheet, or the like. Optionally, the fastening member 6 is a fastening bolt.

The second elastic piece 2 is an elastic cushion block and further comprises a limiting piece 7 connected with the connecting frame 4, one end of the pressure head 5 and the second elastic piece 2 are respectively sleeved on the limiting piece 7, and two opposite sides of the second elastic piece 2 are respectively in contact with the connecting frame 4 and the pressure head 5. It is easy to understand that the axial direction of the limiting member 7 is the same as the second direction, i.e. the pressing head 5 is slidable along the axial direction of the limiting member 7, so as to press against the second elastic member 2. In other embodiments, the second elastic element 2 may be a spring, a leaf spring, or the like.

Optionally, the limiting member 7 is a limiting bolt, the pressure head 5 is provided with a long circular hole 51 through which the limiting bolt passes, the long axis direction of the long circular hole 51 is arranged along a third direction, the pressure head 5 is floating relative to the connecting frame 4 along the third direction, and the third direction is perpendicular to the first direction and the second direction respectively.

When the floating pressing mechanism is applied to a micro-speaker testing device, the pressure head 5 can vertically move downwards under the pushing of the linear driving piece 3 and is pressed with a testing bottom plate at the lower part to form a closed cavity for testing a micro-speaker; when 3 motions of linear driving piece, if the test bottom plate deflects, through the unsteady and link 4 of pressure head 5 can let pressure head 5 and test bottom plate laminate completely in order to guarantee the leakproofness of cavity, avoid await measuring miniature speaker product because the cavity seals not well and lead to leaking the sound, do benefit to and improve the acoustic test accuracy. And the askew micro loudspeaker product can also slide into the placing position of the testing bottom plate through the floating of the pressure head 5 and the floating of the connecting frame 4, so that the micro loudspeaker product can be prevented from being crushed by the pressure head 5 which is vertically pressed down, and unnecessary product scrapping is avoided.

To sum up, the utility model provides a floating press-fit mechanism can use on the automatic test equipment that has higher requirement to leakproofness and levelness, no matter treat to press the product to place the position whether slope, this floating press-fit mechanism homoenergetic lets the product automatically level and smooth in placing the position. This floating press-fit mechanism can realize that the triaxial is all-round to make level, when this floating press-fit mechanism is applied to miniature speaker test equipment on, can reduce the test miniature speaker by the erroneous judgement NG phenomenon, reduces the product mistake and scrap, by the damage probability, does benefit to the manufacturing cost of control miniature speaker product.

The above mentioned is only the embodiment of the present invention, and not the limitation of the patent scope of the present invention, all the equivalent transformations made by the contents of the specification and the drawings, or the direct or indirect application in the related technical field, are included in the patent protection scope of the present invention.

Claims

1. The utility model provides a floating pressing mechanism which characterized in that: the device comprises a first elastic part, a second elastic part, a linear driving part, a connecting frame and a pressure head which are sequentially connected; the first elastic piece is arranged at the joint of the linear driving piece and the connecting frame, so that the connecting frame can float relative to the linear driving piece along a first direction; the second elastic piece is arranged at the joint of the connecting frame and the pressure head, so that the pressure head can float relative to the connecting frame along a second direction; the first direction is perpendicular to the second direction, and the first direction is a driving direction of the linear driving member.

2. The floating lamination mechanism according to claim 1, wherein: the first elastic piece is a tension spring and further comprises a fastener connected with the output end of the linear driving piece, one end of the connecting frame and the first elastic piece are respectively sleeved on the fastener, and the first elastic piece is connected with the fastener and the connecting frame.

3. The floating lamination mechanism according to claim 2, wherein: the fastener is a fastening bolt.

4. The floating lamination mechanism of claim 1, wherein: the second elastic piece is an elastic cushion block and further comprises a limiting piece connected with the connecting frame, one end of the pressure head and the second elastic piece are respectively sleeved on the limiting piece, and two opposite sides of the second elastic piece are respectively contacted with the connecting frame and the pressure head.

5. The floating lamination mechanism according to claim 4, wherein: the locating part is a limiting bolt, a long round hole for the limiting bolt to penetrate through is formed in the pressure head, the pressure head can float relative to the connecting frame along a third direction, and the third direction is perpendicular to the first direction and the second direction respectively.

6. The floating lamination mechanism according to claim 1, wherein: the first elastic piece is an elastic cushion block or an elastic sheet.

7. The floating lamination mechanism according to claim 1, wherein: the second elastic piece is a spring or a shrapnel.