CN217064146U

CN217064146U - SMT paster reflow soldering anchor clamps

Info

Publication number: CN217064146U
Application number: CN202220640025.8U
Authority: CN
Inventors: 徐智康; 赵德三; 胡荣勇
Original assignee: Hefei Lianbo Electronic Technology Co ltd
Current assignee: Hefei Lianbo Electronic Technology Co ltd
Priority date: 2022-03-23
Filing date: 2022-03-23
Publication date: 2022-07-26
Anticipated expiration: 2032-03-23

Abstract

The utility model discloses a SMT paster reflow soldering fixture, which relates to the technical field of SMT paster processing, and comprises a bottom plate, wherein the top end of the bottom plate is respectively fixedly provided with a supporting block and a first baffle, the top end of the supporting block is fixedly provided with a first supporting plate, one side of the first supporting plate is fixedly provided with a second baffle, one side of the second baffle is fixedly provided with a second supporting plate, and one side of the second baffle is provided with an adjusting component; the utility model has the advantages that: through the cooperation of two centre gripping subassemblies and two auxiliary assembly, can carry out effectual centre gripping to the base plate of different specifications, more nimble, through the cooperation of adjusting part, two bracing pieces, two connecting plates, cylinder, driving plate and limiting plate, the base plate that conveniently overturns need not take off the upset with the base plate after having welded the one side, again with the base plate install anchor clamps again on, promote work efficiency.

Description

SMT paster reflow soldering anchor clamps

Technical Field

The utility model relates to an anchor clamps, in particular to SMT paster reflow soldering anchor clamps belongs to SMT paster processing technology field.

Background

SMT is the surface assembling technology of electronic circuit, is the most popular technology and process in the electronic assembling industry at present, it is a circuit assembling technology that surface assembling components without pins or short leads are installed on the surface of printed circuit board or other base plate, and are welded and assembled by reflow soldering or dip soldering, etc. it features high assembling density, small volume of electronic products, etc.

The existing SMT patch reflow soldering fixture can only clamp a substrate with a single specification, is not flexible enough, and needs to take down and turn over the SMT patch after one surface of the substrate is welded, and then the substrate is remounted on the fixture to be welded on the other surface, thereby wasting time and labor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a SMT paster reflow soldering anchor clamps to current SMT paster reflow soldering anchor clamps that propose in solving above-mentioned background art can only carry out the problem of centre gripping and need reinstallate the problem that the SMT paster could weld the another side to the base plate of single specification.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a SMT paster reflow soldering anchor clamps, includes the bottom plate, the top of bottom plate is fixed supporting shoe and the first baffle of being equipped with respectively, the fixed first backup pad that is equipped with in top of supporting shoe, the fixed second baffle that is equipped with in one side of first backup pad, the fixed second backup pad that is equipped with in one side of second baffle, one side of second baffle is equipped with adjusting part, the opposite side of second baffle and one side of first baffle all rotate through the bearing and are connected with the bracing piece, two the one end of bracing piece is all fixed and is equipped with the connecting plate, two be equipped with two auxiliary assembly and two centre gripping subassemblies between the bracing piece.

Preferably, the adjusting part comprises a first transmission rod, the first transmission rod is rotatably arranged at the top end of the second support plate through a bearing, a first turntable is fixedly arranged at one end of the first transmission rod, the other end of the first transmission rod penetrates through the second support plate, the bottom end of the second support plate is arranged at the other end of the first transmission rod, a first helical gear is fixedly arranged at the other end of the first transmission rod, one side of the first helical gear is in meshed connection with a second helical gear, a second transmission rod is fixedly arranged at one side of the second helical gear, and one end of the second transmission rod is fixedly connected with one end of one of the support rods.

Preferably, the two auxiliary assemblies each include two auxiliary plates, two of the auxiliary plates are fixedly disposed on one side of one of the connecting plates, the other two of the auxiliary plates are fixedly disposed on one side of the other connecting plate, through grooves are formed in the middle portions of the four auxiliary plates, rigid springs are fixedly disposed on the inner walls of one sides of the through grooves, pressing plates are fixedly disposed at one ends of every two corresponding rigid springs, and third baffle plates are fixedly disposed at the top ends of the two pressing plates.

Preferably, the inner walls of the two through grooves are in sliding connection with the surface of one pressure plate, the inner walls of the other two through grooves are in sliding connection with the surface of the other pressure plate, and the surfaces of the four rigid springs are coated with antirust paint.

Preferably, the two clamping assemblies each comprise two mounting plates, one of the mounting plates is fixedly arranged between two auxiliary plates, the other mounting plate is fixedly arranged between the other two auxiliary plates, guide grooves are formed in the surfaces of the two mounting plates, two fourth baffles are fixedly arranged on the front surface of one of the mounting plates and the back surface of the other mounting plate, the bottom ends of the two fourth baffles and the top ends of the other two fourth baffles are rotatably connected with connecting screw rods through bearings, the thread directions of every two corresponding connecting screw rods are opposite, a transmission disc is fixedly arranged between every two corresponding connecting screw rods, the surfaces of the four connecting screw rods are respectively in threaded connection with clamping plates in sliding connection with the guide grooves through screw nuts, and the top ends of the two fourth baffles and the bottom ends of the other two fourth baffles are respectively rotatably connected with third transmission rods through bearings, and one end of each of the four third transmission rods is fixedly provided with a second turntable, and the other end of each of the four third transmission rods is fixedly connected with one end of each of the four connecting screw rods.

Preferably, a cylinder is fixedly arranged on one side of the first baffle, a transmission plate is fixedly arranged at the telescopic end of the cylinder, a limiting plate is fixedly arranged at the top end of the transmission plate, and the top end of the limiting plate is connected with the bottom end of one of the connecting plates in a sliding mode.

Preferably, four corners of the bottom plate bottom are all fixedly provided with supporting legs, and the supporting legs are all arranged to be round table-shaped.

Preferably, a switch panel is fixedly arranged at the top end of the second supporting plate, a cylinder switch is arranged on the surface of the switch panel, and the cylinder is electrically connected with an external power supply through the cylinder switch.

Compared with the prior art, the utility model provides a pair of SMT paster reflow soldering anchor clamps have following beneficial effect:

1. the two clamping assemblies and the two auxiliary assemblies are matched to effectively clamp the substrates with different specifications, the substrates are more flexible, the substrates are abutted against a third baffle plate, the substrates are moved, the substrates push the third baffle plate, the third baffle plate drives a pressing plate to move, the pressing plate can compress a rigid spring to adjust the horizontal height of the substrates, the substrates are attached to one side of the pressing plate, the substrates are moved in the horizontal direction, the substrates are positioned between two clamping plates of the same clamping assembly, when the substrates move basically in the horizontal direction, the rigid spring extends, the rigid spring continuously applies pushing force to the pressing plate to enable the pressing plate to be attached to the substrates all the time, the substrates are stabilized in the horizontal direction through the two pressing plates, one of the second turnplates is rotated, the second turnplate drives one of the third transmission rods to rotate, the third transmission rod drives one of the connecting screw rods to rotate, and the connecting screw rods can drive the transmission disc and one of the clamping plates to move downwards, the clamping plate can slide downwards along the inner wall of the guide groove, the transmission disc drives the other connecting screw rod to rotate, the other connecting screw rod drives the other clamping plate to move upwards, and the two clamping plates positioned on the same clamping assembly clamp the substrate;

2. through the matching of the adjusting component, the two support rods, the two connecting plates, the cylinder, the transmission plate and the limiting plate, the substrate can be conveniently overturned without taking down and overturning the substrate after welding one surface, then the substrate is remounted on a clamp, the working efficiency is improved, the telescopic end of the cylinder is shortened through the cylinder switch, the cylinder drives the transmission plate to move, the transmission plate drives the limiting plate to move, the limiting plate does not abut against one of the connecting plates any more, the limitation of the limiting plate on the connecting plate is relieved, the first rotary disc is rotated to drive the first transmission rod to rotate, the first transmission rod drives the first helical gear to rotate, the first helical gear drives the second helical gear to rotate, the second helical gear drives the second transmission rod to rotate, the second transmission rod drives one of the support rods to rotate, the support rod drives the two auxiliary components and the two clamping components to rotate through driving the other connecting plate to rotate, thereby the upset base plate makes the limiting plate reset the normal position through the cylinder switch after that, supports one of them connecting plate through the limiting plate, prevents that the base plate after the upset from overturning once more, avoids unexpected emergence, and is safer.

Drawings

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

fig. 2 is an enlarged schematic view of a portion a of fig. 1 according to the present invention;

fig. 3 is an enlarged schematic view of the utility model at the point B in fig. 1;

fig. 4 is a schematic top view of the present invention.

In the figure: 1. a base plate; 2. a support block; 3. a first baffle; 4. a first support plate; 5. a second baffle; 6. a second support plate; 7. an adjustment assembly; 701. a first drive lever; 702. a first turntable; 703. a first helical gear; 704. a second helical gear; 705. a second transmission rod; 8. an auxiliary component; 801. an auxiliary plate; 802. a through groove; 803. a rigid spring; 804. pressing a plate; 805. a third baffle plate; 9. a clamping assembly; 901. mounting a plate; 902. a guide groove; 903. a fourth baffle; 904. connecting a screw rod; 905. a transmission disc; 906. a third transmission rod; 907. a second turntable; 908. a splint; 10. a switch panel; 11. a support bar; 12. a connecting plate; 13. a cylinder; 14. a drive plate; 15. a limiting plate; 16. and (7) supporting legs.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1:

referring to fig. 1-4, the utility model provides a SMT patch reflow soldering fixture, which comprises a bottom plate 1, wherein the top end of the bottom plate 1 is respectively and fixedly provided with a supporting block 2 and a first baffle 3, the top end of the supporting block 2 is fixedly provided with a first supporting plate 4, one side of the first supporting plate 4 is fixedly provided with a second baffle 5, one side of the second baffle 5 is fixedly provided with a second supporting plate 6, one side of the second baffle 5 is provided with an adjusting component 7, the other side of the second baffle 5 and one side of the first baffle 3 are rotatably connected with supporting rods 11 through bearings, one ends of the two supporting rods 11 are respectively and fixedly provided with a connecting plate 12, and two auxiliary components 8 and two clamping components 9 are arranged between the two supporting rods 11;

an air cylinder 13 is fixedly arranged on one side of the first baffle 3, a transmission plate 14 is fixedly arranged at the telescopic end of the air cylinder 13, a limiting plate 15 is fixedly arranged at the top end of the transmission plate 14, and the top end of the limiting plate 15 is in sliding connection with the bottom end of one of the connecting plates 12;

four corners at the bottom end of the bottom plate 1 are all fixedly provided with supporting legs 16, and the four supporting legs 16 are all in a circular truncated cone shape;

the top end of the second supporting plate 6 is fixedly provided with a switch panel 10, the surface of the switch panel 10 is provided with a cylinder switch, and the cylinder 13 is electrically connected with an external power supply through the cylinder switch.

Example 2:

the adjusting assembly 7 comprises a first transmission rod 701, the first transmission rod 701 is rotatably arranged at the top end of the second support plate 6 through a bearing, one end of the first transmission rod 701 is fixedly provided with a first rotating disc 702, the other end of the first transmission rod 701 penetrates through the second support plate 6, the other end of the first transmission rod 701 is arranged at the bottom end of the second support plate 6, the other end of the first transmission rod 701 is fixedly provided with a first helical gear 703, one side of the first helical gear 703 is in meshing connection with a second helical gear 704, one side of the second helical gear 704 is fixedly provided with a second transmission rod 705, and one end of the second transmission rod 705 is fixedly connected with one end of one of the support rods 11;

specifically, as shown in fig. 1 and fig. 4, when reflow soldering needs to be performed on the other surface of the substrate, the first rotating disc 702 is rotated, the first rotating disc 702 drives the first transmission rod 701 to rotate, the first transmission rod 701 drives the first bevel gear 703 to rotate, the first bevel gear 703 drives the second bevel gear 704 to rotate, the second bevel gear 704 drives the second transmission rod 705 to rotate, and the second transmission rod 705 drives one of the support rods 11 to rotate.

Example 3:

the two auxiliary assemblies 8 respectively comprise two auxiliary plates 801, wherein the two auxiliary plates 801 are fixedly arranged on one side of one connecting plate 12, the other two auxiliary plates 801 are fixedly arranged on one side of the other connecting plate 12, through grooves 802 are respectively formed in the middles of the four auxiliary plates 801, rigid springs 803 are respectively fixedly arranged on the inner walls of one sides of the four through grooves 802, one end of each two corresponding rigid springs 803 is respectively fixedly provided with a pressure plate 804, and the top ends of the two pressure plates 804 are respectively fixedly provided with a third baffle plate 805;

the inner walls of two through grooves 802 are in sliding connection with the surface of one pressing plate 804, the inner walls of the other two through grooves 802 are in sliding connection with the surface of the other pressing plate 804, and the surfaces of the four rigid springs 803 are coated with antirust paint;

specifically, as shown in fig. 1, 2, 3, and 4, before adjusting the clamping assembly 9, the third blocking plate 805 is moved, the third blocking plate 805 drives the pressing plate 804 to move, the pressing plate 804 slides along the inner wall of the through slot 802, and the rigid spring 803 is compressed by the movement of the pressing plate 804.

Example 4:

the two clamping assemblies 9 each comprise two mounting plates 901, one of the mounting plates 901 is fixedly arranged between two of the auxiliary plates 801, the other mounting plate 901 is fixedly arranged between the other two auxiliary plates 801, guide grooves 902 are formed on the surfaces of the two mounting plates 901, two fourth baffles 903 are fixedly arranged on the front surface of one of the mounting plates 901 and the back surface of the other mounting plate 901, the bottom ends of the two fourth baffles 903 and the top ends of the other two fourth baffles 903 are rotatably connected with connecting screws 904 through bearings, the thread directions of each two corresponding connecting screws 904 are opposite, a transmission disc 905 is fixedly arranged between each two corresponding connecting screws 904, clamping plates 908 which are slidably connected with the guide grooves 902 are respectively connected on the surfaces of the four connecting screws 904 through screw nuts and threads, and third transmission rods 906 are rotatably connected on the top ends of the two fourth baffles 903 and the bottom ends of the other two fourth baffles 903 through bearings, one end of each of the four third transmission rods 906 is fixedly provided with a second turntable 907, and the other end of each of the four third transmission rods 906 is fixedly connected with one end of each of the four connecting screw rods 904;

specifically, as shown in fig. 1, fig. 2, fig. 3, and fig. 4, when the substrate needs to be clamped, one of the second rotating discs 907 is rotated, the second rotating disc 907 drives one of the third transmission rods 906 to rotate, the third transmission rod 906 drives one of the connecting screw rods 904 to rotate, the connecting screw rod 904 drives the transmission disc 905 and one of the clamping plates 908 to move downward, the clamping plate 908 slides downward along the inner wall of the guide slot 902, the transmission disc 905 drives the other connecting screw rod 904 to rotate, the thread directions of the two connecting screw rods 904 of the same clamping assembly 9 are opposite, but the two connecting screws 904 rotate in the same direction, so that the other connecting screw 904 moves the other clamping plate 908 upward, the substrate is clamped by two clamping plates 908 of the same clamping assembly 9, and when the substrate needs to be taken down, the substrate can be taken down only by reversely rotating the second turntable 907.

The working principle is as follows: when the SMT reflow soldering fixture is used, a substrate needs to be fixed before soldering, the substrate is abutted against the third baffle 805, the substrate is moved in a direction away from the mounting plate 901, the third baffle 805 is pushed by the substrate, the third baffle 805 drives the pressing plate 804 to move, the pressing plate 804 slides along the inner wall of the through groove 802, the pressing plate 804 moves to compress the rigid spring 803, the substrate is moved downwards along one side of the third baffle 805, the horizontal height of the substrate is adjusted to be attached to one side of the pressing plate 804, the substrate is moved in the horizontal direction to be located between the two clamping plates 908 of the same clamping assembly 9, when the substrate is moved in the horizontal direction basically, the rigid spring 803 extends, the rigid spring 803 continuously applies thrust to the pressing plate 804, the pressing plate 804 is attached to the substrate all the time, the substrate is stabilized in the horizontal direction by the two pressing plates 804, the stability of the substrate is improved, the reflow soldering of the SMT chip is facilitated, the substrate is clamped, one of the second turntables 907 is rotated, the second turntables 907 drives one of the third transmission rods 906 to rotate, the third transmission rod 906 drives one of the connection screw rods 904 to rotate, the connection screw rods 904 drive the transmission plates 905 and one of the clamping plates 908 to move downwards, the clamping plates 908 slide downwards along the inner walls of the guide grooves 902, the transmission plates 905 drive the other connection screw rod 904 to rotate, the thread directions of the two connection screw rods 904 of the same clamping assembly 9 are opposite, but the rotation directions of the two connection screw rods 904 are the same, so that the other connection screw rod 904 drives the other clamping plate 908 to move upwards, the substrate is clamped through the two clamping plates 908 positioned in the same clamping assembly 9, when the substrate needs to be taken down, the substrate can be clamped only by reversely rotating the second turntables 907, and the four clamping plates 908 are used for fixing the substrate, the two pressing plates 804 further stabilize the substrate, so that substrates of different specifications can be effectively clamped, the substrate is more flexible, when the other side of the substrate needs to be reflowed, the telescopic end of the air cylinder 13 is shortened through the air cylinder switch, the air cylinder 13 drives the transmission plate 14 to move, the transmission plate 14 drives the limiting plate 15 to move, the limiting plate 15 does not abut against one of the connecting plates 12, the limiting of the limiting plate 15 on the connecting plate 12 is released, the first rotary plate 702 is rotated, the first rotary plate 702 drives the first transmission rod 701 to rotate, the first transmission rod 701 drives the first bevel gear 703 to rotate, the first bevel gear 703 drives the second bevel gear 704 to rotate, the second bevel gear 704 drives the second transmission rod 705 to rotate, the second transmission rod 705 drives one of the supporting rods 11 to rotate, and the supporting rods 11 drive the other connecting plate 12 to rotate so that the two auxiliary assemblies 8 and the two clamping assemblies 9 rotate, thereby the upset base plate makes limiting plate 15 reset the normal position through the cylinder switch after that, supports one of them connecting plate 12 through limiting plate 15, prevents that the base plate after the upset from overturning once more, need not take off the upset with the base plate after the one side has been welded, installs the base plate again on anchor clamps, promotes work efficiency.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a SMT paster reflow soldering anchor clamps, includes bottom plate (1), its characterized in that, the top of bottom plate (1) is fixed supporting shoe (2) and first baffle (3) of being equipped with respectively, the fixed first backup pad (4) that is equipped with in top of supporting shoe (2), one side of first backup pad (4) is fixed and is equipped with second baffle (5), one side of second baffle (5) is fixed and is equipped with second backup pad (6), one side of second baffle (5) is equipped with adjusting part (7), the opposite side of second baffle (5) and one side of first baffle (3) all rotate through the bearing and are connected with bracing piece (11), two the one end of bracing piece (11) is all fixed and is equipped with connecting plate (12), two be equipped with two auxiliary assembly (8) and two centre gripping subassemblies (9) between bracing piece (11).

2. An SMT chip reflow soldering jig according to claim 1, wherein: adjusting part (7) include first transfer line (701), first transfer line (701) rotate through the bearing and set up the top in second backup pad (6), the fixed first carousel (702) that is equipped with of one end of first transfer line (701), second backup pad (6) are passed to the other end of first transfer line (701), the bottom of second backup pad (6) is arranged in to the other end of first transfer line (701), the fixed first helical gear (703) that is equipped with of the other end of first transfer line (701), one side meshing connection of first helical gear (703) has second helical gear (704), one side of second helical gear (704) is fixed and is equipped with second transfer line (705), the one end of second transfer line (705) and the one end fixed connection of one of them bracing piece (11).

3. An SMT patch reflow jig according to claim 1, wherein: the two auxiliary assemblies (8) respectively comprise two auxiliary plates (801), wherein the two auxiliary plates (801) are fixedly arranged on one side of one connecting plate (12), the other two auxiliary plates (801) are fixedly arranged on one side of the other connecting plate (12), through grooves (802) are formed in the middle of the four auxiliary plates (801), rigid springs (803) are fixedly arranged on the inner walls of one sides of the four through grooves (802), pressing plates (804) are fixedly arranged at one ends of every two corresponding rigid springs (803), and third baffles (805) are fixedly arranged at the top ends of the two pressing plates (804).

4. An SMT chip reflow solder clip according to claim 3, wherein: the inner walls of the two through grooves (802) are in sliding connection with the surface of one pressing plate (804), the inner walls of the other two through grooves (802) are in sliding connection with the surface of the other pressing plate (804), and the surfaces of the four rigid springs (803) are coated with antirust paint.

5. An SMT patch reflow soldering jig according to claim 3, wherein: the two clamping assemblies (9) respectively comprise two mounting plates (901), one of the mounting plates (901) is fixedly arranged between two of the auxiliary plates (801), the other mounting plate (901) is fixedly arranged between the other two of the auxiliary plates (801), guide grooves (902) are formed in the surfaces of the two mounting plates (901), two fourth baffles (903) are fixedly arranged on the front surface of one of the mounting plates (901) and the back surface of the other mounting plate (901), the bottom ends of the two fourth baffles (903) and the top ends of the other two fourth baffles (903) are rotatably connected with connecting screw rods (904) through bearings, the directions of the threads of every two corresponding connecting screw rods (904) are opposite, a transmission disc (905) is fixedly arranged between every two corresponding connecting screw rods (904), and the surfaces of the four connecting screw rods (904) are connected with the guide grooves (902) in a sliding mode through screw rod nut threads The top ends of the two fourth baffles (903) and the bottom ends of the other two fourth baffles (903) are rotatably connected with third transmission rods (906) through bearings, one ends of the four third transmission rods (906) are fixedly provided with second rotating discs (907), and the other ends of the four third transmission rods (906) are fixedly connected with one ends of the four connecting screw rods (904) respectively.

6. An SMT chip reflow soldering jig according to claim 1, wherein: one side of first baffle (3) is fixed and is equipped with cylinder (13), the flexible end of cylinder (13) is fixed and is equipped with driving plate (14), the fixed limiting plate (15) that is equipped with in top of driving plate (14), the top of limiting plate (15) and the bottom sliding connection of one of them connecting plate (12).

7. An SMT chip reflow soldering jig according to claim 1, wherein: four corners of bottom plate (1) bottom all are fixed and are equipped with supporting leg (16), four supporting leg (16) all set up to the round platform form.

8. An SMT chip reflow soldering jig according to claim 6, wherein: the top of second backup pad (6) is fixed and is equipped with flush mounting plate of switch (10), the surface of flush mounting plate of switch (10) is equipped with the cylinder switch, cylinder (13) are through cylinder switch and external power supply electric connection.