CN117182841A - Pressurizing mechanical device for pasting piezoelectric ceramic plate - Google Patents
Pressurizing mechanical device for pasting piezoelectric ceramic plate Download PDFInfo
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- CN117182841A CN117182841A CN202311162060.9A CN202311162060A CN117182841A CN 117182841 A CN117182841 A CN 117182841A CN 202311162060 A CN202311162060 A CN 202311162060A CN 117182841 A CN117182841 A CN 117182841A
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- 239000000919 ceramic Substances 0.000 title claims abstract description 45
- 230000007246 mechanism Effects 0.000 claims abstract description 28
- 229910052751 metal Inorganic materials 0.000 claims abstract description 21
- 239000002184 metal Substances 0.000 claims abstract description 21
- 238000000034 method Methods 0.000 claims abstract description 12
- 238000003825 pressing Methods 0.000 claims description 16
- 229920001971 elastomer Polymers 0.000 claims description 4
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 229910052782 aluminium Inorganic materials 0.000 abstract description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract description 3
- 230000008569 process Effects 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 238000003848 UV Light-Curing Methods 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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- General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
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Abstract
The application discloses a pressurizing mechanical device for attaching piezoelectric ceramic plates, relates to the field of automatic pressurizing mechanisms for attaching ceramic plates to aluminum shells in ultrasonic radar automatic production assembly lines, and particularly relates to a pressurizing mechanical pressure head. The method specifically comprises the following steps: one end is equipped with the first connecting block of the first curved surface of indent, keeps away from on the first connecting block the one end of first curved surface is equipped with the pressure head sucking disc, and one end is equipped with the second connecting block of the second curved surface of indent, and the one end of keeping away from the second curved surface on the second connecting block is connected the pressure head seat, and in the space that the first curved surface of first connecting block and the second curved surface of second connecting block set up in opposite directions formed was arranged in to the metal ball, the radius of curvature of metal ball was less than the radius of curvature of first curved surface and second curved surface. The metal ball is in point contact with the first curved surface and the second curved surface, and when the piezoelectric ceramic piece is pressurized, self-adaptive adjustment is realized, so that the situation that the piezoelectric ceramic piece is damaged due to stress concentration is avoided.
Description
Technical Field
The application relates to the technical field of piezoelectric ceramic sheet connection technology and ultrasonic radar sensors, in particular to an automatic pressurizing mechanism for aluminum shell ceramic sheet sticking in an ultrasonic radar automatic production assembly line, and particularly relates to a pressurizing mechanical pressure head.
Background
Ultrasonic radar (Ultrasonic Sensor System, USS) ranging technology is fully embodied in autopilot and assisted parking. The ultrasonic wave has short wavelength, good directivity, strong penetrating power and good environmental adaptability, is insensitive to the influence of color and illumination, and is widely used in the fields of ranging, positioning, flaw detection and the like.
Piezoelectric ultrasonic application is more common, at present, the production and assembly of an ultrasonic radar basically realize full automation, the Cycle Time (CT) of a working procedure is within 5s/pcs, and the production line realizes non-stop feeding and finished product discharging, so that the production efficiency is continuously improved. The production and assembly process involves an important process, after the aluminum shell is coated with UV glue, equipment (a servo control module) absorbs the ceramic plate by using a sucker, a triaxial linear module is linked, the piezoelectric ceramic plate is calibrated under a CCD camera, a Z-axis linear module is attached to the ceramic plate under a determined angle and is maintained for a certain time, and the ceramic plate is solidified by a UV curing lamp to enter the next process.
In reality, the yield of the piezoelectric ceramic piece is below 95%, and analysis shows that uneven stress often occurs in the pressurizing process of the piezoelectric ceramic piece, so that the piezoelectric ceramic piece is broken, and even if the platform and the pressing head levelness meet requirements, mechanical equipment cannot be automatically adjusted due to residual stress, flaws on the surface or burr slopes of the piezoelectric ceramic piece, so that the yield is increased, and improvement is needed.
The foregoing is provided merely for the purpose of facilitating understanding of the technical solutions of the present application and is not intended to represent an admission that the foregoing is prior art.
Disclosure of Invention
The main object of the present application is to provide a self-adaptive pressurizing mechanical device, which solves the above technical problems.
To achieve the above object, the present application provides a pressing mechanism for attaching a piezoelectric ceramic sheet, comprising:
the sliding plate can vertically move up and down and slide along a third guide rail arranged on the Z-axis servo control module;
a patch pressurizing mechanism fixedly arranged on the sliding plate;
wherein, the paster pressurization structure includes:
the air cylinder is fixedly arranged on the sliding plate;
a link plate sliding along a fourth guide rail provided on the slide plate, the link plate being connected to a piston rod end of the cylinder;
the pressure head seat is fixedly arranged on the connecting plate, and the pressure head is arranged at the end part of the pressure head seat.
Preferably, the pressure head seat is provided with a negative pressure interface, an air hole is arranged in the axial direction of the end part of the pressure head, and the negative pressure interface is communicated with the air hole.
Preferably, the ram includes: the device comprises a first connecting block, a second connecting block and a first connecting block, wherein one end of the first connecting block is provided with a first curved surface which is concave inwards, one end of the first connecting block, which is far away from the first curved surface, is provided with a pressure head sucker, the side wall of the first connecting block is provided with a first extension arm, and a guide shaft is arranged on the first extension arm and parallel to the axial direction of the first connecting block;
one end of the second connecting block is provided with a second curved surface which is concave inwards, one end, far away from the second curved surface, of the second connecting block is connected with the pressure head seat, a second extending arm is arranged on the side wall of the second connecting block, corresponding to the first extending arm, a shaft hole for the guide shaft to pass through is formed in the second extending arm, and a gap exists between the shaft hole and the guide shaft;
the metal ball is arranged in a space formed by the opposite arrangement of the first curved surface of the first connecting block and the second curved surface of the second connecting block, and the curvature radius of the metal ball is smaller than that of the first curved surface and the second curved surface.
Preferably, the pressure head sucking disc is connected to the first connecting block through a connecting shaft, a sucking hole is formed in the pressure head sucking disc, a negative pressure interface is arranged on the pressure head seat, and the negative pressure interface is communicated with the sucking hole.
Preferably, a cap is arranged at the end part of the guide shaft, and an elastic piece is sleeved between the guide shaft penetrating through the shaft hole on the second extension arm and the cap.
Preferably, the cross section of the guide shaft is round or square, and the cross section of the shaft hole is round or square.
Preferably, the elastic member is a compression spring or a rubber elastic body.
Preferably, the pressurizing mechanical device further comprises a Y-axis servo control module and an X-axis servo control module which is perpendicular to the Y-axis servo control module, the Z-axis servo control module is perpendicular to the X-axis servo control module and can vertically move up and down, the X-axis servo control module is fixedly provided with a first bottom plate and a second bottom plate, a second guide rail for sliding the Z-axis servo control module is arranged on the first bottom plate, the second bottom plate is slidably arranged on the first guide rail, and the Y-axis servo control module is fixedly arranged on the support.
The technical scheme of the application adopts a self-adaptive structure to solve the technical problem that the piezoelectric ceramic plate is cracked due to stress concentration in the pressurizing and pressure maintaining processes when the piezoelectric ceramic plate is adhered. The pressure head is arranged on the Z-axis servo control module, and particularly comprises a first connecting block, one end of the first connecting block is provided with a first curved surface which is concave inwards, one end of the first connecting block, which is far away from the first curved surface, is provided with a pressure head sucker, the side wall of the first connecting block is provided with a first extension arm, and the first extension arm is provided with a guide shaft parallel to the axial direction of the first connecting block; one end of the second connecting block is provided with a second curved surface which is concave inwards, one end of the second connecting block, which is far away from the second curved surface, is connected with a pressure head seat, a second extending arm is arranged on the side wall of the second connecting block, which corresponds to the first extending arm, a shaft hole for the guide shaft to pass through is arranged on the second extending arm, and a gap exists between the shaft hole and the guide shaft; the metal ball is arranged in a space formed by the opposite arrangement of the first curved surface of the first connecting block and the second curved surface of the second connecting block, the curvature radius of the metal ball is smaller than that of the first curved surface and the second curved surface, and the point contact structure can automatically adjust the angle when encountering non-plane, so that the contact area is increased, and the stress concentration is reduced.
Drawings
Fig. 1 is a perspective view of an automatic dispensing apparatus according to an embodiment of the present application;
FIG. 2 is a perspective view of an ultrasonic radar housing according to an embodiment of the present application;
FIG. 3 is a perspective view of an apparatus for automatically attaching piezoelectric ceramic sheets according to an embodiment of the present application;
FIG. 4 is an enlarged view of portion A of FIG. 3;
FIG. 5 is a cross-sectional view of a ram of a pressing mechanism according to an embodiment of the application;
fig. 6 is a modified structure of a ram of a pressurizing mechanism according to an embodiment of the present application, in which: a is an overall perspective view, b is a cross-sectional perspective view;
FIG. 7 is a schematic illustration of another modification of the ram of the pressurizing mechanism according to an embodiment of the present application;
fig. 8 is an enlarged view of a portion B in fig. 7.
Reference numerals and designations
100. Piezoelectric ceramic piece
11. A Y-axis servo control module; 111. a first guide rail; 112. a bracket;
12. an X-axis servo control module; 121. a second guide rail; 122. a first base plate; 123. a second base plate;
13. a Z-axis servo control module; 131. a third guide rail; 132. a sliding plate; 133. a fourth guide rail;
14. a patch pressurizing mechanism;
141. a cylinder; 142. a piston rod; 143. a connecting plate; 144. a pressure head seat; 145. a negative pressure interface; 146. a pressure head; 1461. air holes;
147. a pressure head;
1471. a pressure head suction cup; 1471a, suction holes; 1472. a connecting shaft; 1473. a first connection block; 1473a, a first extension arm; 1473b, guide shaft; 1473c, cap; 1473Q, a first curved surface; 1474. a metal ball; 1475. a second connection block; 1475a, a second extension arm, 1475b, and an axial bore; 1475Q, a second curved surface; 1476. an elastic member;
11', Y-axis servo control module;
12', an X-axis servo control module;
13', a Z-axis servo control module;
14', a dispensing mechanism; 141', dispensing needle heads; 142', needle correction device
21. A lower case;
22. an upper case;
247. a pressure head;
2471. a pressure head suction cup; 2471a, suction orifice; 2472. a connecting shaft; 2473. a first connection block; 2473a, a first extension arm, 2473b, a guide shaft; 2473c, cap; 2473Q, a first curved surface; 2474. a metal ball; 2475. a second connection block; 2475a, a second extension arm, 2475b, an axial bore; 2475Q, a second curved surface; 2476. an elastic member.
The achievement of the objects, functional features and advantages of the present application will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the application.
The application provides a pressurizing mechanical device for pasting piezoelectric ceramic plates, which specifically comprises a Y-axis servo control module 11, an X-axis servo control module 12 and a Z-axis servo control module 13, wherein three groups of servo control modules can realize three-degree-of-freedom movement in a matched mode, and the Y-axis servo control module 11 and a first guide rail 111 parallel to the Y-axis servo control module 11 are horizontally and fixedly arranged on a bracket 112.
The Y-axis servo control module 11 and the first guide rail 111 are provided with a second bottom plate 123 which can slide along the first guide rail 111, the side edge of the second bottom plate 123 is vertically provided with a first bottom plate 122, the first bottom plate 122 is fixedly provided with a second guide rail 121, the Z-axis servo control module 13 is slidably arranged on the second guide rail 121, and the X-axis servo control module 12 is fixedly arranged on the second bottom plate 123.
The Y, X, Z servo control modules 11, 12 and 13 are electrically connected with a control system, and are matched with a control program to realize accurate positioning and three-dimensional free movement.
The Z-axis servo control module 13 is provided with a third guide rail 131 and a sliding plate 132, the sliding plate 132 can vertically move up and down along the third guide rail 131, and the sliding plate 132 is provided with a fourth guide rail 133.
The slide plate 132 is provided with a patch pressing mechanism 14, and the patch pressing mechanism 14 includes: a cylinder 141 fixedly provided on the sliding plate 132; a link plate 143 sliding along a fourth guide rail 133 provided on the sliding plate 132, the link plate 143 being connected to an end of a piston rod 142 of the cylinder 141; the pressing head seat 144 fixedly arranged on the connecting plate 143 and pressing heads 146, 147 and 247 arranged at the end parts of the pressing head seat 144.
In an automatic production assembly line of the ultrasonic radar, after the automatic dispensing equipment finishes dispensing, the ultrasonic radar shell on the station turntable rotates to enter a piezoelectric ceramic piece pasting process, a Y, X, Z servo control module is used for positioning, a piezoelectric ceramic piece is well pasted, a patch pressurizing mechanism is controlled to conduct pressurizing and pressure maintaining, specifically, after accurate positioning, a cylinder is started to conduct pressurizing, a connecting plate is driven to slide along a fourth guide rail, and a pressure head on a pressure head seat is driven to conduct pressurizing and pressure maintaining on the piezoelectric ceramic piece.
Referring to fig. 1, a perspective view of an automatic dispensing device is shown, which includes a Y-axis servo control module 11', an X-axis servo control module 12', a Z-axis servo control module 13', a Y, X, Z servo control module 11', 12', and 13' electrically connected to a control system, and is matched with a control program to realize accurate positioning and three-dimensional free movement, a dispensing mechanism 14' is arranged on the Z-axis servo control module 13', a dispensing needle 141' is arranged at the end of the dispensing mechanism 14', and is used for dispensing to an ultrasonic radar shell, and a needle correction device 142' is further arranged on the automatic dispensing device, so that an uncontrollable error of dispensing is avoided.
The action flow comprises: the station turntable rotates in place; the jig jacking and positioning mechanism jacks up and positions the jig; the XY axis moves to the dispensing position in a linkage way; the Z axis descends to the dispensing height; dispensing and starting; after dispensing is completed, the Z axis rises to a safe position; resetting the jacking positioning mechanism, and moving the XY axis to a waiting position in a linkage way; the station turntable rotates to enter the patch pressurization process.
Referring to fig. 2, a perspective view of an ultrasonic radar housing is shown, where the housing includes a lower shell 21 and an upper shell 22, the lower shell 21 is made of an aluminum alloy, the upper shell 22 is made of a hard plastic, and after the dispensing mechanism 14' finishes dispensing the ultrasonic radar housing on the station turntable, a piezoelectric ceramic plate 100 is attached inside the lower shell 21.
The action flow comprises that the station turntable rotates in place; the jig jacking and positioning mechanism jacks up and positions the jig; an XY axis linkage moving ceramic wafer calibration platform; descending the Z axis to suck the ceramic plate; rising the Z axis; the XY axis is linked to move the ceramic piece attaching position (the XY moving distance is calibrated by photographing through a camera to obtain data, the Z axis is lowered, vacuum is closed to attach the ceramic piece, pressure is maintained, the Z axis is raised to a safe position, the jacking positioning mechanism is reset, the XY axis is linked to move to a waiting position, and the turntable rotates to enter the next working procedure, the angle deviation is less than 3 degrees, and the central position offset is +/-0.5 mm.
For example, referring to fig. 3, 4 and 5, a negative pressure interface 145 is disposed on the pressure seat 144, one end of the negative pressure interface 145 is connected to a negative pressure vacuum device, a negative pressure vacuum pump or other devices capable of generating negative pressure, an air hole 1461 is disposed in the axial direction of the end of the pressure head 146, the negative pressure interface 145 is communicated with the air hole 1461, and negative pressure is generated at the air hole 1461 of the end of the pressure head 146 by the negative pressure vacuum device, so as to suck the piezoelectric ceramic sheet 100.
The connection mode of the air hole and the negative pressure interface belongs to the conventional technology in the field, and is not repeated here.
In the above embodiment, the end of the pressure head 146 may be further provided with a suction cup, which has elasticity, and the servo control modules 11, 12, 13 control to effectively suck the piezoelectric ceramic sheet 100 at Y, X, Z.
Another improved structure of the ram is disclosed in the present application, referring to fig. 6, the ram 147 includes: a first connection block 1473, a second connection block 1475, and a metal ball 1474.
The first connection block 1473 and the second connection block 1475 are both in cylindrical structures, the first connection block 1473 and the second connection block 1475 are coaxially arranged, a first curved surface 1473Q and a second curved surface 1475Q which are concave towards the shaft are respectively arranged on opposite inner sides of the first connection block 1473 and the second connection block 1475, the first curved surface 1473Q and the second curved surface 1475Q form a space, a metal ball 1474 is arranged in the space, and the curvature radius of the metal ball 1474 is smaller than that of the first curved surface 1473Q and the second curved surface 1475Q.
When the piezoelectric ceramic sheet 100 is pressurized, the end of the first connection block 1473 contacts with the piezoelectric ceramic sheet 100, when the piezoelectric ceramic sheet 100 has angle deviation in the horizontal direction or the horizontal turntable has angle deviation, the contact surface of the end of the first connection block 1473 and the piezoelectric ceramic sheet 100 is in point contact or line contact, at this time, the first connection block 1473, the second connection block 1475 and the metal ball 1474 are in point contact, and when the piezoelectric ceramic sheet 100 is pressurized, the patch pressurizing mechanism 14 automatically adjusts the angle, so that the first connection block 1473 contacts with the piezoelectric ceramic sheet 100, the contact surface is increased, and the stress is even, thereby avoiding damage caused by stress concentration of the piezoelectric ceramic sheet 100.
It is known that the metal ball may be an elliptic ball or a football-shaped ball.
Further modifications to the above embodiments, see fig. 7 and 8, the ram 247 includes: first connection block 2473, second connection block 2475, and metal ball 2474.
The first connecting block 2473 and the second connecting block 2475 are of prismatic structures, the first connecting block 2473 and the second connecting block 2475 are coaxially arranged, a first curved surface 2473Q and a second curved surface 2475Q which are concave towards the shaft are respectively arranged on opposite inner sides of the first connecting block 2473 and the second connecting block 2475, the first curved surface 2473Q and the second curved surface 2475Q are arc surfaces, a metal ball 2474 is arranged in a space formed by the first curved surface 2473Q and the second curved surface 2475Q, the metal ball can be an elliptic ball or a football-shaped ball, a gap exists between the first connecting block 2473 and the second connecting block 2475, and the curvature radius of the metal ball 2474 is smaller than that of the first curved surface 2473Q and the second curved surface 2475Q.
In the embodiment, the metal ball 2474 is in point contact with the first curved surface 2473Q and the second curved surface 2475Q, and when the piezoelectric ceramic plate 100 is pressurized, self-adaptive adjustment can be also realized, so that stress concentration of the piezoelectric ceramic plate 100 is avoided, and the contact surface between the first connecting block 2473 and the piezoelectric ceramic plate 100 is increased.
In the above embodiment, the end of the first connecting blocks 1473, 2473 far away from the first curved surfaces 1473Q,2473Q is provided with the pressure head chucks 1471, 2471, the pressure head chucks 1471, 2471 are connected to the first connecting blocks 1473, 2473 through the connecting shafts 1472, 2472, the pressure head chucks 1471, 2472 are provided with the suction holes 1471a,2471a, the pressure head seat 144 is provided with the negative pressure interface 145, and the negative pressure interface 145 is communicated with the suction holes 1471a,2471 a.
The connection mode of the negative pressure interface and the suction hole belongs to the prior art in the field, and is not repeated here.
The pressure seat 144 is provided with a negative pressure interface 145, one end of the negative pressure interface 145 is connected with a negative pressure vacuum device, a negative pressure vacuum pump or other devices capable of generating negative pressure, the negative pressure interface 145 is communicated with suction holes 1471a and 2471a, and negative pressure is generated at the suction holes 1471a and 2471a at the end parts of the pressure heads 147 and 247 through the negative pressure vacuum device, so that the suction of the piezoelectric ceramic chip 100 is realized.
In the above embodiments, the first connection blocks 1473, 2473 and the ram suction cups 1471, 2471 may be integrally formed or assembled from components.
Further, in the above embodiment, the first extending arms 1473a,2473a are provided on the side walls of the first connecting blocks 1473, 2473, in the embodiment, two pairs of first extending arms 1473a,2473a are symmetrically provided, and guide shafts 1473b,2473b are provided on the first extending arms 1473a,2473a parallel to the axial direction of the first connecting blocks 1473, 2473, respectively.
The side walls of the second connecting blocks 1475 and 2475 are provided with second extending arms 1475a and 2475a corresponding to the first extending arms 1473a and 2473a, shaft holes 1475b and 2475b for the guide shafts 1473b and 2473b to pass through are formed in the second extending arms 1475a and 2475a, gaps exist between the shaft holes 1475b and 2475b and the guide shafts 1473b and 2473b, and the first connecting blocks 1473 and 2473 can conveniently move up and down during self-adaptive adjustment.
One end of the second connecting block 1475, 2475 away from the second curved surface 1475Q,2475Q is connected to the pressure head base 144 by mechanical connection, snap connection, screw connection or integral molding.
In the embodiment, the guide shafts 1473b and 2473b have circular or square cross sections, and the shaft holes 1475b and 2475b have circular or square cross sections.
The end of the guiding shafts 1473b,2473b is provided with caps 1473c,2473c, elastic members 1476, 2476, preferably compression springs or rubber elastomers, are sleeved between the guiding shafts 1473b,2473b penetrating through shaft holes 1475b,2475b on the second extension arms 1475a,2475a and the caps 1473c,2473c, and the pressing mechanism can restore the original state after sucking or pressing the piezoelectric ceramic plate 100.
The foregoing description is only of the preferred embodiments of the present application, and is not intended to limit the scope of the application, but rather is intended to cover any equivalents of the structures or equivalent processes disclosed herein or in the alternative, which may be employed directly or indirectly in other related arts.
Claims (8)
1. A pressurizing mechanism for attaching a piezoelectric ceramic sheet, comprising:
-a Z-axis servo control module (13) movable vertically up and down and a sliding plate (132) sliding along a third guide rail (131) provided on the Z-axis servo control module (13);
-a patch pressing mechanism (14) fixedly provided on the slide plate (132);
it is characterized in that the method comprises the steps of,
the patch pressurization structure (14) includes:
a cylinder (141) fixedly provided on the slide plate (132);
a link plate (143) sliding along a fourth guide rail (133) provided on the slide plate (132), the link plate (143) being connected to an end of a piston rod (142) of the cylinder (141);
a pressure head seat (144) fixedly arranged on the connecting plate (143) and a pressure head (146, 147, 247) arranged at the end part of the pressure head seat (144).
2. The pressurizing mechanical device according to claim 1, wherein a negative pressure interface (145) is arranged on the pressure head seat (144), an air hole (1461) is arranged in the axial direction of the end part of the pressure head (146, 147, 247), and the negative pressure interface (145) is communicated with the air hole (1461).
3. The pressing mechanism of claim 1, wherein the ram (146, 147, 247) comprises:
a first connecting block (1473, 2473) with a first inward concave curved surface (1473 q,2473 q), wherein a pressure head sucker (1471, 2471) is arranged at one end, far away from the first curved surface (1473 q,2473 q), of the first connecting block (1473, 2473), a first extension arm (1473 a,2473 a) is arranged on the side wall of the first connecting block (1473, 2473), and a guide shaft (1473 b,2473 b) is arranged on the first extension arm (1473 a,2473 a) in parallel to the axial direction of the first connecting block (1473, 2473);
a second connecting block (1475, 2475) with a second inward concave curved surface (1475 q,2475 q), one end, far away from the second curved surface (1475 q,2475 q), of the second connecting block (1475, 2475) is connected with the pressure head seat (144), a second extending arm (1475 a,2475 a) is arranged on the side wall of the second connecting block (1475, 2475) corresponding to the first extending arm (1473 a,2473 a), shaft holes (1475 b,2475 b) for the guide shafts (1473 b, 2473b) to pass through are formed in the second extending arms (1475 a,2475 a), and a gap exists between the shaft holes (1475 b,2475 b) and the guide shafts (1473 b,2473 b);
the metal balls (1474, 2474) are arranged in a space formed by the first curved surfaces (1473Q, 2473Q) of the first connecting blocks (1473, 2473) and the second curved surfaces (1475Q, 2475Q) of the second connecting blocks (1475, 2475) in a way of being opposite to each other, and the curvature radius of the metal balls (1474, 2474) is smaller than that of the first curved surfaces (1473Q, 2473Q) and the second curved surfaces (1475Q, 2475Q).
4. A pressing mechanism according to claim 3, wherein the pressure head suction cup (1471, 2471) is connected to the first connecting block (1473, 2473) by a connecting shaft (1472, 2472), a suction hole (1471 a,2471 a) is provided on the pressure head suction cup (1471, 2472), a negative pressure interface (145) is provided on the pressure head seat (144), and the negative pressure interface (145) is communicated with the suction hole (1471 a,2471 a).
5. A pressing mechanism according to claim 3, wherein the end of the guide shaft (1473 b,2473 b) is provided with a cap (1473 c,2473 c), and an elastic member (1476, 2476) is interposed between the guide shaft (1473 b,2473 b) passing through the shaft hole (1475 b,2475 b) of the second extension arm (1475 a,2475 a) and the cap (1473 c,2473 c).
6. A pressing mechanism according to claim 3, wherein the guide shaft (1473 b,2473 b) is circular or square in cross section, and the shaft hole (1475 b,2475 b) is circular or square in cross section.
7. The pressing mechanism according to claim 5, wherein the elastic member (1476, 2476) is a compression spring or a rubber elastic body.
8. The pressurizing mechanical device according to any one of claims 1 to 7, further comprising a Y-axis servo control module (11) and an X-axis servo control module (12) vertically and vertically connected to the Y-axis servo control module (11), wherein the Z-axis servo control module (13) is vertically connected to the X-axis servo control module (12) and vertically movable, the X-axis servo control module (12) is fixedly provided with a first bottom plate (122) and a second bottom plate (123), the first bottom plate (122) is provided with a second guide rail (121) for sliding the Z-axis servo control module (13), the second bottom plate (123) is slidably disposed on the first guide rail (111), and the Y-axis servo control module (11) is fixedly disposed on the bracket (112).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311162060.9A CN117182841B (en) | 2023-09-08 | 2023-09-08 | Pressurizing mechanical device for pasting piezoelectric ceramic plate |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311162060.9A CN117182841B (en) | 2023-09-08 | 2023-09-08 | Pressurizing mechanical device for pasting piezoelectric ceramic plate |
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| CN117182841A true CN117182841A (en) | 2023-12-08 |
| CN117182841B CN117182841B (en) | 2024-05-10 |
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| CN203092407U (en) * | 2013-01-31 | 2013-07-31 | 江苏大学 | Positioning clamp used for assembly of thin-wall and curved-surface parts |
| US20150316023A1 (en) * | 2012-12-20 | 2015-11-05 | Vestas Wind Systems A/S | Turbine blade shear web alignment |
| CN109599483A (en) * | 2018-12-05 | 2019-04-09 | 业成科技（成都）有限公司 | Piezoelectric ceramic device and forming method thereof |
| CN209598422U (en) * | 2018-09-27 | 2019-11-08 | 深圳市镭恩特自动化技术有限公司 | The processing unit (plant) of ultrasonic radar probe contact pin |
| JP2020022525A (en) * | 2018-08-06 | 2020-02-13 | エスエヌヴィア カンパニー リミテッド | Microneedle patch manufacturing apparatus |
| CN112490160A (en) * | 2020-12-23 | 2021-03-12 | 深圳新益昌科技股份有限公司 | Semiconductor packaging all-in-one machine |
| KR20210134143A (en) * | 2020-04-29 | 2021-11-09 | 에이피시스템 주식회사 | Apparatus for attaching substrates and method for attaching the substrates |
| CN215200551U (en) * | 2021-06-09 | 2021-12-17 | 深圳市嘉海辉电子科技有限公司 | Paster structure for integrated circuit processing |
| CN215596109U (en) * | 2021-07-02 | 2022-01-21 | 昆山联滔电子有限公司 | Floating pressure maintaining mechanism and pressure maintaining machine |
| CN216111634U (en) * | 2021-08-23 | 2022-03-22 | 贵州航天控制技术有限公司 | Special frock of small-size constant torque motor preforming |
| CN114613714A (en) * | 2022-01-24 | 2022-06-10 | 快克智能装备股份有限公司 | But leveling pressure device and paster equipment thereof |
| CN216880105U (en) * | 2021-06-23 | 2022-07-05 | 威海市天罡仪表股份有限公司 | Automatic coating chip mounter for transducer |
| CN115036250A (en) * | 2022-05-20 | 2022-09-09 | 纳研科技(上海)有限公司 | Multifunctional chip mounting device and chip mounting method thereof |
| CN217475325U (en) * | 2022-01-04 | 2022-09-23 | 珠海市多泰吉智能技术有限公司 | Novel paste automation equipment of piezoceramics piece in aluminum hull |
| CN115223902A (en) * | 2022-09-21 | 2022-10-21 | 西北电子装备技术研究所(中国电子科技集团公司第二研究所) | Pressurization of high accuracy eutectic chip mounter is got and is put structure |
| CN115498497A (en) * | 2022-09-07 | 2022-12-20 | 武汉锐科光纤激光技术股份有限公司 | Automatic chip mounting system and chip mounting method |
| CN218447834U (en) * | 2022-09-27 | 2023-02-03 | 昆山梦显电子科技有限公司 | Laminating pressure head and paster device |
| CN219005177U (en) * | 2023-01-06 | 2023-05-12 | 东莞市九思自动化科技有限公司 | Automatic magnet and chip mounter |
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