CN215582546U - Detection positioning mechanism of SMT tool - Google Patents

Abstract

The utility model relates to the technical field of jigs, and discloses a detection positioning mechanism of an SMT jig, which comprises a control box, a fixing device, a positioning device and a support plate, wherein a first wire, a second wire, a stress plate, a tension device, a clamping plate and a jig clamping device are connected on a pull rod, one end of the pull wire is connected with the stress plate, the other end of the pull wire is connected with the pull rod, the stress plate is connected with the tension device, the pull rod is lifted or pulled down and the tension device stretches, so that the stress plate drives the clamping plate to move back and forth, the jig is well held, time is saved, the jig is fixed, errors are reduced, a notch is formed in the clamping plate, a rotating wheel is arranged in the notch, when the jig is clamped by the clamping plate, the position can be adjusted by moving the rotating wheel, the tension device is connected with two ends of the stress plate between a group, the tension device comprises a spring and a rack plate, the rack plate is meshed with a gear, and further the jig is kept in the middle of a bottom plate when the jig is fixed, avoiding the generation of offset and causing errors.

Description

Detection positioning mechanism of SMT tool

Technical Field

The utility model relates to the technical field of jigs, in particular to a detection positioning mechanism of an SMT jig.

Background

The detection positioning mechanism of the SMT fixture is used for detecting the SMT fixture after the SMT fixture is processed, and detecting whether the fixture has errors or not.

Present SMT tool's detection positioning mechanism just puts the tool and detects on it, and when detecting like this, there is the error easily, leads to detecting failure, has reduced detection efficiency, or places and detect on the bottom plate with tool standard dimension, the tool of the multiple model of inadaptation, inconvenient detection.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a novel detection positioning mechanism of an SMT (surface mount technology) jig, which solves the problems in the prior art.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a detection positioning mechanism of SMT tool, includes device main part, fixed establishment, positioning mechanism and backup pad, fixed establishment sets up in the device main part, the backup pad is fixed in the device main part, positioning mechanism fixes in backup pad one side, device main part one side is provided with pulley two, is located pulley two below device main part one side has seted up line hole one, backup pad one side is provided with pulley one, backup pad one side is seted up the line hole two that corresponds with pulley one, last the seting up of positioning mechanism has three with the line hole two-phase line hole that corresponds, device main part upper surface has seted up the line hole four of a plurality of symmetries, the last pull wire that is connected with of fixed establishment, this pull wire wear to establish line hole four in proper order, line hole one, pulley two, pulley one, line hole two, line hole three and be connected with the pull rod on the positioning mechanism.

Preferably, the fixing mechanism comprises a bottom plate, the upper surface of the device main body is provided with a threaded hole, holes which are correspondingly penetrated through the threaded hole are formed in two sides of the bottom plate, a bolt is rotatably connected in the threaded hole, the device main body is connected with the bottom plate through the bolt, a spring piece is sleeved on the bolt between the device main body and the bottom plate, two groups of symmetrical sliding openings are formed in the upper surface of the bottom plate, a sliding block is connected on each sliding opening in a sliding manner, a clamping plate is fixedly connected at the upper end of the sliding block, the lower end of the sliding block is connected with a stress plate, a groove is formed in the bottom surface of the bottom plate, a cylindrical rod is fixedly connected in the middle of the groove, two gears are rotatably connected on the cylindrical rod, a stretching device is fixedly connected at two ends of one group of the stress plates, the stretching device is connected with corresponding gears, and five wire holes which correspond to the four wire holes are formed in the lower surface of the bottom plate, the fifth wire hole is communicated with the sliding opening, and the first end of the traction wire close to the fixing mechanism is divided into four parts which are respectively penetrated through the fifth wire hole and fixedly connected with the stress plate.

Preferably, the lower end of the clamping plate is provided with a notch, and a rotating wheel is rotatably connected in the notch.

Preferably, the stretching device comprises a rack plate and a spring, one end of the rack plate is connected with one end of the spring, the rack plate is connected with the gear in a meshed mode, and the spring of one group of the pulling devices between the symmetrical stress plates is opposite to the position of the rack plate.

Preferably, the pull rod is lifted to the extent that all the traction wires drive the clamping plate to move to one end of the sliding opening, the spring is stretched, the pull rod is pulled down to a half, and the spring contracts to drive the clamping plate to move to the other end of the sliding opening.

(III) advantageous effects

Compared with the prior art, the utility model has the following beneficial effects:

1. this kind of novel SMT tool's detection positioning mechanism connects the atress board through pull wire one end, and the pull rod is connected to the other end, and draw unit is connected to the atress board, lifts on the pull rod or drop-down and draw unit's flexible for the atress board drives splint back-and-forth movement, lets the tool take well to put the saving time, and has fixed the tool, has reduced the error.

2. This kind of novel SMT tool's detection positioning mechanism has seted up the notch through on the splint, is provided with the runner in the notch, and then makes when splint clip the tool, also can remove the adjustment position through the runner.

3. This kind of novel SMT tool's detection positioning mechanism is connected with stretching device through the atress board both ends between a set of, and stretching device is connected with gear engagement including spring and rack plate, and then takes and keeps the tool in the middle of the bottom plate when making splint fixed tool, has avoided producing the skew and has caused the error.

Drawings

FIG. 1 is a schematic side view of an overall detection positioning mechanism of an SMT fixture according to the present invention;

FIG. 2 is a schematic diagram of an overall front view structure of a detecting and positioning mechanism of an SMT fixture according to the present invention;

FIG. 3 is a schematic rear view of the overall detecting and positioning mechanism of the SMT fixture according to the present invention;

FIG. 4 is a schematic view of a part of the fixing mechanism of the positioning and inspecting mechanism of the SMT fixture according to the present invention;

FIG. 5 is a schematic side view of a fixing mechanism of a positioning mechanism of an SMT fixture according to the present invention;

FIG. 6 is a schematic view of a part of the fixing mechanism of the positioning mechanism of the SMT fixture according to the present invention;

FIG. 7 is a schematic view of a part of the fixing mechanism of the positioning and inspecting mechanism of the SMT fixture according to the present invention;

FIG. 8 is a schematic view of a part of the fixing mechanism of the positioning and inspecting mechanism of the SMT fixture according to the present invention;

FIG. 9 is a schematic top view of the main body of the positioning mechanism of the SMT fixture according to the present invention

FIG. 10 is a schematic view of a positioning mechanism of an SMT fixture according to the present invention;

fig. 11 is a schematic structural view of a stretching device of a detecting and positioning mechanism of an SMT fixture according to the present invention.

In the figure: the device comprises a device body 1, a fixing mechanism 2, a positioning mechanism 3, a supporting plate 4, a traction wire 5, a first pulley 6, a second pulley 7, a third wire hole 8, a second wire hole 9, a first wire hole 10, a threaded hole 11, a fourth wire hole 12, a bottom plate 13, a sliding opening 14, a hole 15, a clamping plate 16, a notch 1601, a runner 1602, a sliding block 17, a stress plate 18, a bolt 19, a spring leaf 20, a groove 21, a cylindrical rod 22, a gear 23, a stretching device 24, a rack plate 2401, a spring 2402 and a fifth wire hole 25.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

Referring to fig. 1, 2, 3, 4, 5, 9 and 10, a detection positioning mechanism of an SMT fixture includes a device main body 1, a fixing mechanism 2, a positioning mechanism 3 and a supporting plate 4, wherein the fixing mechanism 2 is disposed on the device main body 1, the supporting plate 4 is fixed on the device main body 1, the positioning mechanism 3 is fixed on one side of the supporting plate 4, a pulley two 7 is disposed on one side of the device main body 1, a first wire hole 10 is disposed on one side of the device main body 1 below the pulley two 7, a pulley one 6 is disposed on one side of the supporting plate 4, a second wire hole 9 corresponding to the pulley one 6 is disposed on one side of the supporting plate 4, a third wire hole 8 corresponding to the second wire hole 9 is disposed on the positioning mechanism 3, a plurality of symmetrical wire holes four 12 are disposed on the upper surface of the device main body 1, a traction wire 5 is connected to the fixing mechanism 2, and the traction wire 5 sequentially penetrates through the wire holes four 12, the first wire hole 10, the pulley two 7, the second wire hole 9, The pulley I6, the wire hole II 9 and the wire hole III 8 are connected with a pull rod on the positioning mechanism 3, the pull rod drives the pull rod to control the fixing device, the device main body 1, the positioning device 3 and the supporting plate 4 exist at present and are not introduced too much,

referring to fig. 1-11, a fixing mechanism 2 includes a bottom plate 13, a threaded hole 11 is formed in the upper surface of a device body 1, holes 15 corresponding to the threaded hole 11 are formed in two sides of the bottom plate 13, a bolt 19 is rotatably connected to the threaded hole 11, the device body 1 is connected to the bottom plate 13 through the bolt 19, a spring plate 20 is sleeved on the bolt 19 between the device body 1 and the bottom plate 13, two sets of symmetrical sliding openings 14 are formed in the upper surface of the bottom plate 13, a sliding block 17 is slidably connected to the sliding openings 14, a clamping plate 16 is fixedly connected to the upper end of the sliding block 17, a stress plate 18 is connected to the lower end of the sliding block 17, a groove 21 is formed in the bottom surface of the bottom plate 13, a cylindrical rod 22 is fixedly connected to the middle of the groove 21, two gears 23 are rotatably connected to the cylindrical rod 22, two stretching devices 24 are fixedly connected to two ends of one set of the stress plate 18, and the stretching devices 24 are connected to the corresponding gears 23, the lower surface of the bottom plate 13 is provided with five wire holes 25 corresponding to the four wire holes 12, the five wire holes 25 are communicated with the sliding opening 14, one end of the traction wire 5 close to the fixing mechanism 2 is divided into four parts, the four parts are respectively penetrated through the five wire holes 25 and fixedly connected with the stress plate 18, the traction wire 5 and the stretching device 24 drive the clamping and relaxation of the splint 16,

referring to fig. 1-6, a notch 1601 is formed at a lower end of the clamping plate 16, a rotating wheel 1602 is rotatably connected in the notch 1601, and when the clamping plate 16 clamps the jig, the position of the jig is adjusted by the rotating wheel 1602.

Referring to fig. 7, 8 and 11, the stretching device 24 includes a rack plate 2401 and a spring 2402, one end of the rack plate 2401 is connected with one end of the spring 2402, the rack plate 2401 is engaged with the gear 23, the springs 2402 of a group of pulling devices between the symmetrical stress plates 18 are opposite to the rack plate 2401, the rack plate 2401 controls the clamping plates 16 to be always in a symmetrical state, so that the jig is always fixed in the middle of the bottom plate 13, and errors are reduced.

Referring to fig. 1-11, when the pull rod is lifted to the position where all the pull wires 5 drive the clamp plate 16 to move backward to one end of the slide opening 14, the spring 2402 is stretched, and the pull rod is pulled downward until half of the spring 2402 contracts to drive the clamp plate 16 to move to the other end of the slide opening 14, the jig can be simply fixed and loosened by rotating the pull rod, and the detection efficiency is improved.

The working principle is as follows: when the jig is detected and positioned, the pulling pull rod is lifted, the pulling wire pulls the stress plate 18 and then moves, the stress plate 18 drives the spring 2402 to stretch, the clamp 16 moves along with the stress plate 18, the pull rod is pulled to the top, the clamp 16 moves to one end of the sliding opening 14, the jig is placed on the bottom plate 13, the pull rod is pulled down, the spring 2402 contracts to drive the clamping plate 16 to move, the rack plate 2401 drives the clamping plate 16 to enable the clamping plate 16 to move symmetrically on two sides of the clamping plate, the middle position of the bottom plate 13 is ensured when the jig is clamped by the clamping plate 16, the pull rod 301 is not pulled down completely, if the jig has an error, the position of the jig can be adjusted through the rotating wheel 1602 on the inner side of the clamping plate 16, the detection and positioning of the jig are facilitated, the error of the jig detection is reduced, the detection efficiency is improved, and the jig is also suitable for various types of jigs.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. A detection positioning mechanism of an SMT jig comprises a device main body (1), a fixing mechanism (2), a positioning mechanism (3) and a supporting plate (4), wherein the fixing mechanism (2) is arranged on the device main body (1), the supporting plate (4) is fixed on the device main body (1), the positioning mechanism (3) is fixed on one side of the supporting plate (4), the detection positioning mechanism is characterized in that a pulley II (7) is arranged on one side of the device main body (1) below the pulley II (7), a line hole I (10) is formed in one side of the device main body (1), a pulley I (6) is arranged on one side of the supporting plate (4), a line hole II (9) corresponding to the pulley I (6) is formed in one side of the supporting plate (4), a line hole III (8) corresponding to the line hole II (9) is formed in the positioning mechanism (3), a plurality of symmetrical line holes IV (12) are formed in the upper surface of the device main body (1), the fixing mechanism (2) is connected with a traction wire (5), and the traction wire (5) sequentially penetrates through a wire hole four (12), a wire hole one (10), a pulley two (7), a pulley one (6), a wire hole two (9) and a wire hole three (8) and is connected with a pull rod on the positioning mechanism (3).

2. The detecting and positioning mechanism for the SMT jig according to claim 1, wherein the fixing mechanism (2) comprises a base plate (13), the upper surface of the device body (1) is provided with a threaded hole (11), holes (15) corresponding to the threaded hole (11) are formed in two sides of the base plate (13), a bolt (19) is rotatably connected to the threaded hole (11), the device body (1) and the base plate (13) are connected through the bolt (19), a spring plate (20) is sleeved on the bolt (19) between the device body (1) and the base plate (13), two sets of symmetrical sliding openings (14) are formed in the upper surface of the base plate (13), a sliding block (17) is slidably connected to the sliding openings (14), a clamping plate (16) is fixedly connected to the upper end of the sliding block (17), and a stress plate (18) is connected to the lower end of the sliding block (17), bottom plate (13) bottom surface seted up recess (21), recess (21) middle part fixedly connected with cylinder pole (22), it is connected with two gears (23) to rotate on cylinder pole (22), both ends fixedly connected with stretching device (24) between atress board (18) a set of, stretching device (24) are connected with gear (23) that correspond, bottom plate (13) lower surface is seted up and is had five (25) of the corresponding line hole with four (12) in line hole, five (25) in line hole link up with spout (14), one end that pull wire (5) and fixed establishment (2) are close to is divided into four, and wears to establish five (25) in line hole and atress board (18) fixed connection respectively.

3. An SMT jig detection and positioning mechanism according to claim 2, wherein a notch (1601) is formed in a lower end of the clamping plate (16), and a rotating wheel (1602) is rotatably connected to the notch (1601).

4. The detecting and positioning mechanism for the SMT jig according to claim 2, wherein the stretching device (24) comprises a rack plate (2401) and a spring (2402), one end of the rack plate (2401) is connected with one end of the spring (2402), the rack plate (2401) is engaged with the gear (23), and the spring (2402) of one set of pulling devices between the symmetrical stress plates (18) is opposite to the rack plate (2401).

5. An SMT jig according to claim 1 or 2, wherein the pull rod is lifted to a position where all of the pull wires (5) drive the clamp plate (16) to move back to one end of the slide opening (14), the spring (2402) is stretched, and the pull rod is pulled down to a position where half of the spring (2402) contracts to drive the clamp plate (16) to move to the other end of the slide opening (14).

6. An SMT jig according to claim 4, wherein the pull rod is lifted to a position where all of the pull wires (5) drive the clamp plate (16) to move backward to one end of the slide opening (14), and the spring (2402) stretches to pull down half of the clamp plate (16) to the other end of the slide opening (14).

Images