CN210046212U

CN210046212U - Welding jig of adjustable angle

Info

Publication number: CN210046212U
Application number: CN201822156624.9U
Authority: CN
Inventors: 李良金; 刘晓燕; 莫桥焕; 叶俊涛
Original assignee: Guangzhou Chuan Also Automobile Equipment Co Ltd
Current assignee: Guangzhou Chuan Also Automobile Equipment Co Ltd
Priority date: 2018-12-21
Filing date: 2018-12-21
Publication date: 2020-02-11
Anticipated expiration: 2028-12-21

Abstract

The utility model discloses an adjustable angle's welding jig, which comprises a base plate, the base plate top is provided with the turning block, the turning block top is provided with the compact heap, the base plate is including fixed plate and fly leaf, the first fixed block of fixed plate side end fixedly connected with, first fixed block one end middle part is run through and is equipped with the slot, fly leaf side end fixedly connected with second fixed block, second fixed block one end middle part is provided with the cutting, cutting and slot phase-match, the cutting sets up inside the slot, the cutting runs through with slot connection department and is equipped with first through-hole. The utility model discloses a servo motor drives the carousel and rotates to drive the turning block and rotate, make and form certain contained angle between two turning blocks, adjust the precision height, the practicality is strong, simultaneously, forms through the accessory assembly with welding jig adoption difference, is convenient for maintain or change welding jig's component part, and is easy and simple to handle, and the maintenance cost is low.

Description

Welding jig of adjustable angle

Technical Field

The utility model relates to a welding jig field, in particular to adjustable angle's welding jig.

Background

In the process of industrial production, the parts of the product are often required to be assembled by welding means, and in order to ensure the welding size, improve the assembly precision and efficiency and prevent welding deformation, the parts are usually fixed by adopting a welding fixture. However, the existing welding fixture can not perform accurate angle adjustment according to accessories with different characteristics, and has a complex structure and is inconvenient to maintain.

Therefore, it is necessary to provide an angle adjustable welding fixture to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a welding fixture with adjustable angle, which drives a turntable to rotate through a servo motor, thereby driving the rotating blocks to rotate, forming a certain included angle between the two rotating blocks, having high adjusting precision, if the servo motor is in failure or the compressing blocks and the rotating blocks are seriously worn, the positioning pin in the second positioning hole can be taken out firstly, the connecting block is taken out from the notch at one end of the pressing block, and simultaneously, the positioning pin in the first positioning hole is taken out to separate the rotating block from the turntable, then the fixing pin on the lug plate is unscrewed, the fixing plate rotates by taking the limiting column at the joint of the first fixing block and the second fixing block as a central shaft, the servo motor connected with the turntable is taken out from the embedded groove on the base plate, the welding fixture can be repaired or replaced, and has simple operation and low maintenance cost.

In order to achieve the above object, the utility model provides a following technical scheme: a welding fixture with adjustable angle comprises a base plate, wherein a rotating block is arranged at the top of the base plate, a pressing block is arranged at the top of the rotating block, the base plate comprises a fixed plate and a movable plate, a first fixed block is fixedly connected to one side end of the fixed plate, a slot is arranged in the middle of one end of the first fixed block in a penetrating mode, a second fixed block is fixedly connected to one side end of the movable plate, an inserting strip is arranged in the middle of one end of the second fixed block and matched with the slot, the inserting strip is arranged inside the slot, a first through hole is arranged at the joint of the inserting strip and the slot in a penetrating mode, a limiting column is sleeved inside the first through hole, the first fixed block is movably connected with the second fixed block through the limiting column, lug plates are fixedly arranged at the other side ends of the first fixed block and the second fixed block, and, and fixedly connected with each other through a fixed pin, semicircular holes are respectively arranged at one end of the first fixed block and one end of the second fixed block in a penetrating way, the two semicircular holes are arranged in axial symmetry with respect to the joint surface of the first fixed block and the second fixed block, a rotary disc is arranged between the two semicircular holes in a matching way, the middle part of the inner side wall of each semicircular hole is provided with an embedding groove, the edge position of the rotary disc is arranged in the embedding groove, the top of the rotary disc is provided with a first positioning hole in a penetrating way, the bottom of the rotary block is correspondingly provided with a pin hole which is matched with the first positioning hole, the rotary disc is fixedly connected with the rotary block through a positioning pin, the bottom of the substrate is provided with a servo motor, the end part of an output shaft of the servo motor is fixedly connected with the rotary disc, one end of the rotary block is provided with a guide screw, the utility model discloses a clamping device, including clamping block, screw rod, plectane, the inside cover of second through-hole is equipped with supplementary bull stick, compact heap one end is provided with the notch, the inside connecting block that is provided with of notch, connecting block one side central point puts and is provided with the annular groove, screw rod one end fixedly connected with plectane, the plectane sets up in the annular groove, and with annular groove swing joint, the compact heap top is run through and is equipped with the second locating hole, the second locating hole extends to the connecting block top, link to.

Preferably, spacing post circumference lateral wall and the laminating of first through-hole inner wall mutually, and swing joint between the two, spacing post both ends are all fixed and are equipped with the limiting plate.

Preferably, the inner side wall of the embedding groove is provided with an arc-shaped groove, a ball is arranged in the arc-shaped groove, and the ball diameter of the ball is larger than the diameter of the notch of the arc-shaped groove and smaller than the diameter of the groove of the arc-shaped groove.

Preferably, the auxiliary rotating rod comprises a smooth section and a threaded section, the threaded section is arranged at two ends of the auxiliary rotating rod, blind nuts are arranged at two ends of the auxiliary rotating rod in a matched mode, and the diameter of each blind nut is larger than the diameter of each second through hole.

Preferably, the notch top is provided with the direction mouth, the direction mouth sets up to the gradual shrinkage formula structure from bottom to top, connecting block top both sides all are provided with the inclined plane, the inclined plane is laminated with the direction mouth inner wall.

Preferably, the number of the rotating blocks is two, and the two rotating blocks are arranged in axial symmetry relative to the vertical central axis of the fixed plate.

The utility model discloses a technological effect and advantage:

1. the utility model discloses a servo motor drives the carousel and rotates, thereby drive the turning block and rotate, make two turning blocks form certain contained angle, can satisfy the tight demand of the clamp of the welding workpiece of different characteristics, therefore the clothes hanger is strong in practicability, then place the welding workpiece between turning block and compact heap, and utilize the supplementary bull stick to drive the screw rod and rotate, make the compact heap move to the direction of work piece along the top surface of turning block, with the extrusion force of compact heap and turning block with the work piece fixed column, avoid the condition that the work piece shifts in the welding process, thereby influence the welding quality of welding spare, if servo motor breaks down or compact heap and turning block wearing and tearing are more serious, can take out the dowel pin in the second dowel hole first, and take out the connecting block from the notch of compact heap one end, simultaneously, take out the dowel pin in the first dowel hole, the rotating block is separated from the rotary table, then the fixing pin on the lug plate is unscrewed, the fixing plate rotates by taking the limiting column at the joint of the first fixing block and the second fixing block as a central shaft, then the servo motor connected with the rotary table is taken out from the embedded groove on the substrate, and then the components of the welding fixture can be repaired or replaced, so that the operation is simple and convenient, and the maintenance cost is low;

2. the utility model discloses a be provided with the arc wall at gomphosis inslot inside wall, the inside ball that is provided with of arc wall, and the ball footpath of ball is greater than the notch diameter of arc wall and is less than the groove diameter of arc wall, can avoid carousel outer wall and gomphosis inslot wall direct contact to be changed into rolling friction with the friction of moving between carousel and the gomphosis groove, greatly reduced the carousel at the resistance that the rotation in-process received, and then reduced servo motor's output energy consumption.

3. The utility model discloses a be provided with the direction mouth on the notch top, the direction mouth sets up to the gradual shrinkage formula structure from bottom to top, and connecting block top both sides all are provided with the inclined plane, and the inclined plane laminates with the direction mouth inner wall mutually, can be so that the connecting block is in same position all the time when inserting the notch in every turn, has avoided the operation of frequent counterpoint in the assembling process, and assembly efficiency is high, and is easy and simple to handle.

4. The utility model discloses utilize both ends all to be provided with blind nut's supplementary bull stick, and blind nut's diameter is greater than the aperture of second through-hole on the screw rod, can be carrying out the in-process dismantled to the screw rod, will assist the bull stick wherein the blind nut of one end to twist off earlier, then will assist the bull stick to take out from the second through-hole in can accomplish the pulling down to the screw rod to because supplementary bull stick both ends all are provided with blind nut, can prevent that supplementary bull stick from dropping on the screw rod, it is swift convenient, the practicality is strong.

Drawings

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

fig. 2 is a top view of the base plate of the present invention;

fig. 3 is an enlarged view of a portion a in fig. 2 according to the present invention;

fig. 4 is a schematic structural view of a joint between the first fixing block and the second fixing block of the present invention;

fig. 5 is a partial cross-sectional view of the base plate of the present invention;

fig. 6 is a cross-sectional view of the compact of the present invention;

in the figure: the automatic positioning device comprises a base plate 1, a fixing plate 101, a movable plate 102, a rotating block 2, a pressing block 3, a semicircular hole 4, a rotary disc 5, a first positioning hole 6, a first fixing block 7, a second fixing block 8, a slot 9, an inserting strip 10, a first through hole 11, a limiting column 12, a limiting plate 13, an ear plate 14, a fixing pin 15, a tabling groove 16, an arc-shaped groove 17, a ball 18, a servo motor 19, a guide screw hole 20, a screw rod 21, a second through hole 22, an auxiliary rotating rod 23, a blind nut 24, a notch 25, a connecting block 26, a second positioning hole 27 and an annular groove 28.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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.

The utility model provides a welding fixture with adjustable angle as shown in figures 1-6, which comprises a base plate 1, wherein a rotating block 2 is arranged on the top of the base plate 1, a pressing block 3 is arranged on the top of the rotating block 2, the base plate 1 comprises a fixed plate 101 and a movable plate 102, a first fixed block 7 is fixedly connected with one side end part of the fixed plate 101, a slot 9 is arranged in the middle of one end of the first fixed block 7, a second fixed block 8 is fixedly connected with one side end part of the movable plate 102, a cutting is arranged in the middle of one end of the second fixed block 8, the cutting 10 is matched with the slot 9, the cutting 10 is arranged in the slot 9, a first through hole 11 is arranged at the joint of the cutting 10 and the slot 9, a limiting column 12 is sleeved in the first through hole 11, the first fixed block 7 is movably connected with the second fixed block 8 through the limiting column 12, the end parts of the other sides of the first fixed block 7 and the second fixed block 8 are fixedly provided with lug plates 14, the central positions of the two lug plates 14 are provided with fixing pins 15 in a penetrating way and are fixedly connected through the fixing pins 15, one ends of the first fixed block 7 and the second fixed block 8 are provided with semicircular holes 4 in a penetrating way, the two semicircular holes 4 are arranged in axial symmetry relative to the jointing surface of the first fixed block 7 and the second fixed block 8, a rotary disc 5 is arranged between the two semicircular holes 4 in a matching way, the middle part of the inner side wall of each semicircular hole 4 is provided with an embedding groove 16, the edge position of the rotary disc 5 is arranged in the embedding groove 16, the top part of the rotary disc 5 is provided with a first positioning hole 6 in a penetrating way, the bottom part of the rotary block 2 is correspondingly provided with a pin hole, the pin hole is matched with the first positioning hole 6, the rotary disc 5 is fixedly connected with the rotary block 2 through, 19 output shaft tip of servo motor links to each other with carousel 5 is fixed, 2 one end of turning block runs through and is equipped with direction screw 20, the inside cooperation of direction screw 20 is equipped with screw rod 21, screw rod 21 one end runs through and is equipped with second through-hole 22, the inside cover of second through-hole 22 is equipped with supplementary bull stick 23, compact heap 3 one end is provided with notch 25, the inside connecting block 26 that is provided with of notch 25, connecting block 26 one side central point puts and is provided with annular groove 28, 21 one end fixedly connected with plectane of screw rod, the plectane sets up in annular groove 28, and with annular groove 28 swing joint, compact heap 3 top runs through and is equipped with second locating hole 27, second locating hole 27 extends to connecting block 26 top, link to each other through the locating dowel nail is fixed between connecting block 26 and the compact heap.

As shown in fig. 4, the circumferential side wall of the limiting column 12 is attached to the inner wall of the first through hole 11, the circumferential side wall and the inner wall are movably connected, and limiting plates 13 are fixedly arranged at two ends of the limiting column 12.

As shown in fig. 1 and 2, the number of the rotating blocks 2 is two, and the two rotating blocks 2 are arranged in axial symmetry with respect to the vertical central axis of the fixed plate 101.

In addition, the inner side wall of the embedding groove 16 is provided with an arc-shaped groove 17, the ball 18 is arranged in the arc-shaped groove 17, the ball diameter of the ball 18 is larger than the diameter of the notch of the arc-shaped groove 17 and smaller than the diameter of the groove of the arc-shaped groove 17, and the direct contact between the outer wall of the rotating disc 5 and the inner wall of the embedding groove 16 can be avoided, so that the movable friction between the rotating disc 5 and the embedding groove 16 is converted into rolling friction, the resistance of the rotating disc 5 in the rotating process is greatly reduced, and the output energy consumption of the servo motor 19 is.

As shown in fig. 1, supplementary bull stick 23 is including smooth section and screw thread section, the screw thread section sets up in supplementary bull stick 23 both ends, supplementary bull stick 23 both ends all cooperate and are equipped with blind nut 24, blind nut 24's diameter is greater than the aperture of second through-hole 22, can be in the in-process of dismantling screw rod 21, unscrew supplementary bull stick 23 wherein blind nut 24 of one end earlier, then take out supplementary bull stick 23 from second through-hole 22 and leave can accomplish dismantling screw rod 21 to because supplementary bull stick 23 both ends all are provided with blind nut 24, can prevent supplementary bull stick 23 from dropping on screw rod 21, and is swift convenient, and the practicality is strong.

As shown in fig. 1, in the process of installing or replacing the compressing block 3, the positioning pin in the second positioning hole 27 can be screwed or taken out, and the connecting block 26 is inserted into or taken out of the notch 25 at one end of the compressing block 3, because the top end of the notch 25 is provided with the guide port, the guide port is arranged in a tapered structure from bottom to top, both sides of the top end of the connecting block 26 are provided with inclined planes, the inclined planes are attached to the inner wall of the guide port, so that the connecting block 26 is always located at the same position when being inserted into the notch 25 at each time, the operation of frequent alignment in the assembling process is avoided, the assembling efficiency is high, and the operation is simple and convenient.

The utility model relates to an adjustable angle's welding jig's theory of operation does:

as shown in fig. 1 to 4, when in use, the welding fixture is firstly communicated with an external power supply, the servo motor 19 is connected with an external controller through a servo controller, then according to the characteristics of a workpiece to be welded, a working instruction is sent to the servo controller through the external controller, the servo controller controls the servo motor 19 to work so as to drive the turntable 5 to rotate, thereby driving the rotating blocks 2 to rotate, a certain included angle is formed between the two rotating blocks 2, then the workpiece to be welded is placed between the rotating blocks 2 and the pressing block 3, the auxiliary rotating rod 23 is utilized to drive the screw rod 21 to rotate, so that the pressing block 3 moves towards the direction of the workpiece along the top surface of the rotating block 2, the workpiece is fixed by utilizing the extrusion force of the pressing block 3 and the rotating block 2, the situation that the workpiece is displaced in the welding process is avoided, and the welding quality of the welding part is affected, if servo motor 19 breaks down or compact heap 3 and turning block 2 wearing and tearing are more serious, can take out the shop bolt in the second locating hole 27 earlier, and take out connecting block 26 from the notch 25 of compact heap 3 one end and leave, simultaneously, take out the shop bolt in first locating hole 6, make turning block 2 and carousel 5 separate, then unscrew fixing pin 15 on the otic placode 14, and with fixed plate 101 with the spacing post 12 of first fixed block 7 with the junction of second fixed block 8 as the center pin and rotate, then take out servo motor 19 that is connected with carousel 5 from the gomphosis groove 16 on the base plate 1, can maintain or change welding jig's each parts afterwards, and is easy and simple to handle, and the maintenance cost is low.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides an angle adjustable welding jig, includes base plate (1), its characterized in that: the novel light-emitting diode is characterized in that a rotating block (2) is arranged at the top of the base plate (1), a pressing block (3) is arranged at the top of the rotating block (2), the base plate (1) comprises a fixed plate (101) and a movable plate (102), a first fixed block (7) is fixedly connected to one side end of the fixed plate (101), a slot (9) is arranged in the middle of one end of the first fixed block (7) in a penetrating mode, a second fixed block (8) is fixedly connected to one side end of the movable plate (102), an inserting strip is arranged in the middle of one end of the second fixed block (8), an inserting strip (10) is matched with the slot (9), the inserting strip (10) is arranged inside the slot (9), a first through hole (11) is arranged in a penetrating mode at the joint of the inserting strip (10) and the slot (9), a limiting column (12) is sleeved inside the first through hole (11), and the first fixed block (7) is, the end parts of the other sides of the first fixing block (7) and the second fixing block (8) are fixedly provided with lug plates (14), the central positions of the two lug plates (14) are provided with fixing pins (15) in a penetrating manner and fixedly connected through the fixing pins (15), one ends of the first fixing block (7) and the second fixing block (8) are provided with semicircular holes (4) in a penetrating manner, the two semicircular holes (4) are arranged in an axial symmetry manner relative to the jointing surface of the first fixing block (7) and the second fixing block (8), a rotary disc (5) is arranged between the two semicircular holes (4) in a matching manner, the middle part of the inner side wall of each semicircular hole (4) is provided with an embedding groove (16), the edge position of the rotary disc (5) is arranged in the embedding groove (16), the top of the rotary disc (5) is provided with a first positioning hole (6) in a penetrating manner, and the bottom of the rotary block, the pin hole is matched with the first positioning hole (6), the rotary table (5) is fixedly connected with the rotary block (2) through a positioning pin, a servo motor (19) is arranged at the bottom of the base plate (1), the end part of an output shaft of the servo motor (19) is fixedly connected with the rotary table (5), one end of the rotary block (2) is provided with a guide screw hole (20) in a penetrating manner, a screw rod (21) is arranged in the guide screw hole (20) in a matching manner, one end of the screw rod (21) is provided with a second through hole (22) in a penetrating manner, an auxiliary rotating rod (23) is sleeved in the second through hole (22), one end of the pressing block (3) is provided with a notch (25), a connecting block (26) is arranged in the notch (25), an annular groove (28) is arranged at the center of one side of the connecting block (26), one end of the screw rod (21) is fixedly connected, and the top of the pressing block (3) penetrates through a second positioning hole (27), the second positioning hole (27) extends to the top of the connecting block (26), and the connecting block (26) is fixedly connected with the pressing block (3) through a positioning pin.

2. The angle-adjustable welding fixture according to claim 1, wherein: spacing post (12) circumference lateral wall and first through-hole (11) inner wall laminate mutually, and swing joint between the two, spacing post (12) both ends are all fixed and are equipped with limiting plate (13).

3. The angle-adjustable welding fixture according to claim 1, wherein: the inner side wall of the embedding groove (16) is provided with an arc-shaped groove (17), a ball (18) is arranged in the arc-shaped groove (17), and the ball diameter of the ball (18) is larger than the diameter of the opening of the arc-shaped groove (17) and smaller than the diameter of the groove of the arc-shaped groove (17).

4. The angle-adjustable welding fixture according to claim 1, wherein: the auxiliary rotating rod (23) comprises a smooth section and a threaded section, the threaded section is arranged at two ends of the auxiliary rotating rod (23), blind nuts (24) are arranged at two ends of the auxiliary rotating rod (23) in a matched mode, and the diameter of each blind nut (24) is larger than the aperture of each second through hole (22).

5. The angle-adjustable welding fixture according to claim 1, wherein: notch (25) top is provided with the direction mouth, the direction mouth sets up to the gradual shrinkage formula structure from bottom to top, connecting block (26) top both sides all are provided with the inclined plane, the inclined plane is laminated with the direction mouth inner wall.

6. The angle-adjustable welding fixture according to claim 1, wherein: the number of the rotating blocks (2) is two, and the two rotating blocks (2) are arranged in an axial symmetry mode relative to the vertical central axis of the fixing plate (101).