CN108656022B - Device for assembling ultrasonic transducer - Google Patents
Device for assembling ultrasonic transducer Download PDFInfo
- Publication number
- CN108656022B CN108656022B CN201810764643.1A CN201810764643A CN108656022B CN 108656022 B CN108656022 B CN 108656022B CN 201810764643 A CN201810764643 A CN 201810764643A CN 108656022 B CN108656022 B CN 108656022B
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- Prior art keywords
- ultrasonic transducer
- base
- groove
- sleeve
- movable
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- 238000000034 method Methods 0.000 claims description 8
- 238000010586 diagram Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/14—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same
Abstract
The invention provides a device for assembling an ultrasonic transducer, which comprises an end cover, a screw shaft, a positioning clamping sleeve, an adjusting screw rod, a movable positioning sleeve, a movable cushion block, a base and a jaw, wherein the screw rod is arranged on the end cover; screw rod axle one end cartridge is in the base shaft hole, the hole that corresponds on the other end worn out the end cover, the end cover passes through bolt and base fixed connection, movable cushion is provided with V-arrangement protruding structure with keeping silent, with the V-arrangement groove cooperation of base, can slide along the V-arrangement groove on the base, open the screw thread cooperation that has screw through-hole and screw rod axle in the lower extreme of keeping silent, screw rod axle's rotation makes anchor clamps keep silent along the V-arrangement groove direction removal of base, the cutting ferrule inslot of location cutting ferrule embedding keep silent, it is fixed with ultrasonic transducer, the piezoelectric plate and the electrode plate of the ultrasonic transducer other end keep flat on movable cushion, the back end piece is held up by movable locating sleeve, can adjust the height of back end piece through the adjustment lead screw.
Description
Technical Field
The invention relates to the technical field of machining fixtures, in particular to a device for assembling an ultrasonic transducer.
Background
Ultrasonic transducers are increasingly used as a foundation stone for ultrasonic technology. The assembly accuracy of the ultrasonic transducer has great influence on the working performance, and because the structure of the ultrasonic transducer is greatly different from that of a common mechanical element, new requirements are put on the corresponding assembly process.
For an ultrasonic transducer, its main structure is cylindrical and includes a plurality of elements of circular sheet structure, and the respective element sizes are different, it is difficult to assemble the respective parts using a common jig, and concentricity of the whole during assembly is difficult to be ensured.
Disclosure of Invention
The invention provides a device for assembling an ultrasonic transducer, which aims to solve the problem that the ultrasonic transducer is difficult to assemble by using a common clamp.
The aim of the invention is achieved by the following technical measures:
the device for assembling the ultrasonic transducer comprises an end cover, a screw shaft, a positioning clamping sleeve, an adjusting screw rod, a movable positioning sleeve, a movable cushion block, a base and a jaw; the screw rod shaft one end cartridge is in the base shaft hole, and the other end wears out corresponding shaft hole on the end cover, the end cover pass through the bolt with base fixed connection, movable cushion with the jaw is provided with V-arrangement protruding structure, with the V-arrangement groove cooperation of base, can be in slide along the V-arrangement groove on the base, the jaw lower extreme open threaded through-hole with screw rod shaft's screw-thread fit, screw rod shaft's rotation makes the jaw follow the V-arrangement groove direction of base removes, the location cutting ferrule embedding the cutting ferrule inslot of jaw, will ultrasonic transducer is fixed, the piezoelectric plate and the electrode slice of ultrasonic transducer other end keep flat on the movable cushion, the rear end piece at its top get into in the recess of base, and by movable positioning sleeve holds up, the adjustment lead screw passes through the screw hole at movable positioning sleeve top, top is on the boss of base.
The length and the width of the positioning clamping sleeve are matched with the length and the width of the clamping sleeve groove on the jaw respectively, and the positioning clamping sleeve can be embedded into the clamping sleeve groove. The jaw is a fixed part and is not replaceable. One surface of the positioning clamping sleeve is provided with a circular top groove with a certain depth, the other end of the positioning clamping sleeve is provided with a square groove with a certain depth and a smaller interval, and the circular top groove and the square groove penetrate through the positioning clamping sleeve.
The positioning clamping sleeve is embedded into the clamping sleeve groove of the jaw to fix the ultrasonic transducer. The basic size of the positioning cutting sleeve is consistent with the size of the cutting sleeve groove, the width of the square groove on the positioning cutting sleeve is consistent with the width of the incision surface on the ultrasonic transducer, and the dome groove on the positioning cutting sleeve is consistent with the thin shaft cylindrical surface on the ultrasonic transducer. According to different ultrasonic transducer samples, a dome groove and a square groove with corresponding sizes can be processed on the positioning clamping sleeve, and the base is matched with the base to fix a workpiece. After assembly, the front end block of the ultrasonic transducer is horizontally arranged on the jaw V-shaped groove, the notch surface is attached to the square groove, the dome groove is attached to the thin shaft cylindrical surface, and the stepped shaft surface is attached to the back surface of the positioning clamping sleeve, so that the ultrasonic transducer cannot rotate or move to the right side.
The movable cushion block is of a block-shaped structure with a V-shaped groove, a plurality of equidistant fine grooves are milled on the V-shaped groove, and the movable cushion block can slide on the base. And in the assembly process, the piezoelectric plates of the ultrasonic transducer are arranged on the V-shaped grooves of the movable cushion blocks, and electrode plates with slightly larger diameters sink into equidistant slots, so that the concentricity of the electrode plates of the piezoelectric plates is ensured. The movable cushion blocks with V-shaped grooves with different heights are used for different ultrasonic transducers, so that the axis of the ultrasonic transducer can be ensured to be kept at a horizontal position.
The movable locating sleeve is placed on the boss of the base, the V-shaped structure at the bottom of the movable locating sleeve is used for supporting the rear end block at the top of the ultrasonic transducer, the adjusting screw rod penetrates through the threaded hole in the movable locating sleeve, the height of the rear end block can be changed through knob adjusting of the screw rod, and the rear end block is kept coaxial with the ultrasonic transducer.
The head of the base is provided with a round-head slotted hole, and in the assembling process, an assembling bolt of the ultrasonic transducer passes through the back of the round-head slotted hole, passes through the rear end block, the piezoelectric plate and the electrode plate respectively, and finally is screwed into a threaded hole of the front end block to assemble the ultrasonic transducer into a whole.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic diagram of an ultrasonic transducer of the present invention;
FIG. 3 is a schematic view of a positioning ferrule of the present invention;
FIG. 4 is a schematic diagram of a movable pad of the present invention;
FIG. 5 is a schematic view of a base of the present invention;
FIG. 6 is a schematic view of a patent jaw of the present invention;
FIG. 7 is a schematic view of an ultrasonic transducer-positioning ferrule-jaw assembly of the present invention;
like reference symbols in the various drawings, wherein:
the device comprises a 1-end cover, a 2-screw shaft, a 3-ultrasonic transducer, a 4-positioning clamping sleeve, a 5-adjusting screw rod, a 6-movable positioning sleeve, a 7-movable cushion block, an 8-base, a 9-jaw, a 3-1-front end block, a 3-1-1-notch surface, a 3-1-2-stepped shaft surface, a 3-1-3-thin shaft cylindrical surface, a 3-2-piezoelectric sheet, a 3-3-rear end block, a 3-4-assembling bolt, a 3-5-electrode sheet, a 4-1-positioning clamping sleeve back surface, a 4-2-dome slot, a 4-3-square slot, a 7-1-equidistant thin slot, an 8-1-boss, an 8-2-round head slot, an 8-3-groove, an 8-4-shaft hole, an 8-5-V slot, a 9-1-threaded through hole, a 9-2-clamping sleeve slot and a 9-3-jaw V-shaped slot.
The patent of the invention is further described below with reference to the drawings and examples.
Detailed Description
The following detailed description of the present invention is provided by way of example only, and it is not intended to limit the scope of the invention in any way, since numerous insubstantial modifications and adaptations of the invention will occur to those skilled in the art and are necessary in light of the present disclosure.
Examples
As shown in fig. 1, the device for assembling an ultrasonic transducer provided by the invention comprises an end cover 1, a screw shaft 2, a positioning clamping sleeve 4, an adjusting screw rod 5, a movable positioning sleeve 6, a movable cushion block 7, a base 8 and a jaw 9; one end of the screw shaft 2 is inserted into a shaft hole 8-4 of the base 8, the other end of the screw shaft penetrates through a corresponding hole in the end cover 1, the end cover 1 is fixedly connected with the base 8 through a bolt, a movable cushion block 7 and a jaw 9 are provided with V-shaped protruding structures, the movable cushion block 7 is matched with the V-shaped groove 8-5 of the base 8 and can slide on the base 8 along the V-shaped groove 8-5, a threaded through hole 9-1 is formed in the lower end of the jaw 9 and is matched with the screw shaft 2 in a threaded manner, the jaw 9 moves along the V-shaped groove 8-5 direction of the base 8 due to rotation of the screw shaft 2, a positioning clamping sleeve 4 is embedded into a clamping sleeve groove 9-2 of the jaw 9 to fix an ultrasonic transducer 3, a piezoelectric plate 3-2 and an electrode plate 3-5 at the other end of the ultrasonic transducer 3 are horizontally arranged on the movable cushion block 7, a rear end block 3-3 at the top of the ultrasonic transducer enters a groove 8-3 of the base 8 and is supported by a movable positioning sleeve 6, and an adjusting screw rod 5 passes through a threaded hole at the top of the movable positioning sleeve 6 and is propped against a boss 8-1 of the base 8.
As shown in fig. 3, one surface of the positioning sleeve 4 is provided with a dome groove 4-2 with a certain depth, and the other surface is provided with a square groove 4-3 with a certain depth and a smaller interval, and the dome groove 4-2 and the square groove 4-3 penetrate through the positioning sleeve 4.
As shown in fig. 7, the length and width of the positioning ferrule 4 are matched with the length and width of the ferrule groove 9-2 on the jaw 9 respectively, and can be embedded into the ferrule groove 9-2. The width of the square groove 4-3 on the positioning cutting sleeve 4 is consistent with the width of the notch surface 3-1-1 on the ultrasonic transducer 3, and the dome groove 4-2 on the positioning cutting sleeve 4 is consistent with the thin shaft cylindrical surface 3-1-3 on the ultrasonic transducer 3. According to different ultrasonic transducer samples 3, dome grooves 4-2 and square grooves 4-3 with corresponding sizes can be machined on the positioning clamping sleeve 4, and workpieces are fixed by matching with the base 8. After the assembly is completed, the front end block 3-1 of the ultrasonic transducer sample 3 is horizontally placed on the jaw V-shaped groove 9-3 of the jaw 9, the notch surface 3-1-1 is attached to the square groove 4-3, the dome groove 4-2 is attached to the thin shaft cylindrical surface 3-1-3, and the stepped shaft surface 3-1-2 is attached to the back surface 4-1 of the positioning cutting sleeve, so that the ultrasonic transducer 3 cannot rotate or move to the right.
As shown in fig. 1 and 4, the movable cushion block 7 has a block structure with a V-shaped groove, a plurality of equidistant fine grooves 7-1 are milled on the V-shaped groove, and the movable cushion block 7 can slide on the base 8. In the assembly process, the piezoelectric plates 3-2 of the ultrasonic transducer 3 are arranged on the V-shaped grooves of the movable cushion block 7, and the electrode plates 3-5 with slightly larger diameters are sunk into the equidistant fine grooves 7-1, so that the concentricity of the electrode plates 3-5 of the piezoelectric plates 3-2 is ensured. The use of movable pads 7 with V-grooves of different heights for different ultrasonic transducers 3 ensures that the axis of the ultrasonic transducer 3 remains in a horizontal position.
As shown in fig. 1 and 2, the movable positioning sleeve 6 is placed on the boss 8-1 of the base 8, the V-shaped structure at the bottom of the movable positioning sleeve 6 is used for supporting the rear end block 3-3 at the top of the ultrasonic transducer 3, the adjusting screw rod 5 passes through the threaded hole on the movable positioning sleeve 6, and the height of the rear end block 3-3 can be changed by adjusting the screw rod 5 through the knob, so that the rear end block 3-3 and the ultrasonic transducer 3 are kept coaxial.
The working process of the ultrasonic transducer clamp provided by the invention is as follows:
as shown in fig. 2, the ultrasonic transducer 3 to be clamped comprises five parts, namely a front end block 3-1, a piezoelectric sheet 3-2, an electrode sheet 3-5 and an assembly bolt 3-4, wherein in the assembly process, the front end block 3-1 of the ultrasonic transducer 3 is firstly horizontally arranged on a jaw 9 according to the position shown in fig. 1, so that the front end block 3-1 is in contact with a jaw V-shaped groove of the jaw 9; then inserting the positioning clamping sleeve 4 into a clamping sleeve groove 9-2 of the jaw 9, enabling a notch surface 3-1-1 to be attached to a square groove 4-3, enabling a thin shaft cylindrical surface 3-1-3 to be attached to a dome groove 4-2, enabling a stepped shaft surface 3-1-2 to be attached to a positioning clamping sleeve back surface 4-1, and fixing a front end block 3-1; the rear end block 3-3 is placed on the movable positioning sleeve 6, then the piezoelectric sheet 3-2 and the electrode sheet 3-5 are placed on the movable cushion block 7 according to the sequence shown in figure 2, and the electrode sheet 3-5 falls into the equidistant slot 7-1; moving the movable cushion block 7 leftwards to enable the piezoelectric sheet 3-2 and the electrode sheet 3-5 to be tightly attached to the rear end block 3-3; rotating the screw shaft 2 to move the jaw 9 leftwards to press the front end block 3-1, the piezoelectric sheet 3-2, the electrode sheet 3-5 and the rear end block 3-3; the assembly bolts 3-4 are inserted into the round head slots 8-4 of the base 8, and the assembly is completed by tightening the assembly bolts 3-4 by using a tool.
Claims (6)
1. An apparatus for ultrasonic transducer assembly, characterized by: the ultrasonic transducer clamp comprises an end cover (1), a screw shaft (2), a positioning clamping sleeve (4), an adjusting screw rod (5), a movable positioning sleeve (6), a movable cushion block (7), a base (8) and a jaw (9); one end of the screw shaft (2) is inserted into a shaft hole (8-4) of the base (8), the other end of the screw shaft penetrates out of a corresponding hole on the end cover (1), the end cover (1) is fixedly connected with the base (8) through a bolt, the movable cushion block (7) and the jaw (9) are provided with V-shaped protruding structures, the V-shaped protruding structures are matched with the V-shaped groove (8-5) of the base (8), the screw shaft can slide along the V-shaped groove (8-5) on the base (8), the lower end of the jaw (9) is provided with a threaded through hole (9-1) which is matched with the threads of the screw shaft (2), the jaw (9) is enabled to move along the V-shaped groove (8-5) of the base (8) by rotation of the screw shaft, the positioning clamp sleeve (4) is embedded into the V-shaped groove (9-2) of the jaw (9), an ultrasonic transducer (3) to be assembled is fixed, a piezoelectric plate (3-2) at the other end of the ultrasonic transducer (3) and an electrode plate (3-5) are horizontally placed on the V-shaped groove (8-5) and then the piezoelectric plate (3-5) is placed in the movable clamp block (3-3) and enters the top of the base (8-3) in the movable clamp sleeve (3), the adjusting screw rod (5) is propped against the boss (8-1) of the base (8) through the threaded hole at the top of the movable positioning sleeve (6).
2. An apparatus for ultrasonic transducer assembly according to claim 1, wherein: one surface of the positioning clamping sleeve (4) is provided with a circular top groove (4-2) with a certain depth, the other end of the positioning clamping sleeve is provided with a square groove (4-3) with a certain depth and a smaller interval, and the circular top groove (4-2) and the square groove (4-3) penetrate through the positioning clamping sleeve (4).
3. An apparatus for ultrasonic transducer assembly according to claim 1 or 2, characterized in that: the length and the width of the positioning clamping sleeve (4) are matched with the length and the width of the clamping sleeve groove (9-2) on the jaw (9) respectively, and can be embedded into the clamping sleeve groove (9-2); the width of a square groove (4-3) on the positioning cutting sleeve (4) is consistent with the width of a notch surface (3-1-1) on the ultrasonic transducer (3), and a dome groove (4-2) on the positioning cutting sleeve (4) is consistent with a thin shaft cylindrical surface (3-1-3) on the ultrasonic transducer (3); according to different ultrasonic transducers (3), a dome groove (4-2) and a square groove (4-3) with corresponding sizes can be processed on the positioning clamping sleeve (4), and a workpiece is fixed by matching with the base (8); after assembly, the front end block (3-1) of the ultrasonic transducer (3) is horizontally placed on the jaw V-shaped groove (9-3) of the jaw (9), the notch surface (3-1-1) is attached to the square groove (4-3), the dome groove (4-2) is attached to the thin shaft cylindrical surface (3-1-3), and the stepped shaft surface (3-1-2) is attached to the back surface (4-1) of the positioning cutting sleeve, so that the ultrasonic transducer (3) cannot rotate or move to the right side.
4. An apparatus for ultrasonic transducer assembly according to claim 1, wherein: the movable cushion block (7) is of a block-shaped structure with a V-shaped groove, a plurality of equidistant fine grooves (7-1) are milled on the V-shaped groove, and the movable cushion block (7) can slide on the base (8); in the assembly process, the piezoelectric sheet (3-2) of the ultrasonic transducer (3) is arranged on the V-shaped groove of the movable cushion block (7), and the electrode sheet (3-5) with a slightly larger diameter is sunk into the equidistant slot (7-1) to ensure that the electrode sheet (3-5) of the piezoelectric sheet (3-2) is concentric; the movable cushion blocks (7) with V-shaped grooves with different heights are used for different ultrasonic transducers (3), so that the axis of the ultrasonic transducer (3) can be ensured to be kept at a horizontal position.
5. An apparatus for ultrasonic transducer assembly according to claim 1, wherein: the movable locating sleeve (6) is placed on the boss (8-1) of the base (8), the V-shaped structure at the bottom of the movable locating sleeve (6) is used for supporting the rear end block (3-3) at the top of the ultrasonic transducer (3), the adjusting screw rod (5) penetrates through the threaded hole in the movable locating sleeve (6), the height of the rear end block (3-3) can be changed through the knob adjusting screw rod (5), and the rear end block (3-3) and the ultrasonic transducer (3) are kept coaxial.
6. An apparatus for ultrasonic transducer assembly as claimed in claim 1 or 5, wherein: the head of the base (8) is provided with a round head slot hole (8-2), an assembly bolt (3-4) of the ultrasonic transducer (3) penetrates through the back of the round head slot hole (8-2) in the assembly process, passes through the rear end block (3-3), the piezoelectric plate (3-2) and the electrode plate (3-5) respectively, and finally is screwed into a threaded hole of the front end block (3-1) to assemble the ultrasonic transducer (3) into a whole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810764643.1A CN108656022B (en) | 2018-07-12 | 2018-07-12 | Device for assembling ultrasonic transducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810764643.1A CN108656022B (en) | 2018-07-12 | 2018-07-12 | Device for assembling ultrasonic transducer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108656022A CN108656022A (en) | 2018-10-16 |
| CN108656022B true CN108656022B (en) | 2024-01-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810764643.1A Active CN108656022B (en) | 2018-07-12 | 2018-07-12 | Device for assembling ultrasonic transducer |
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| CN (1) | CN108656022B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110426142B (en) * | 2019-07-02 | 2021-04-20 | 大连理工大学 | Sensing actuator based on forward and inverse piezoelectric effect |
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