CN116441801B - Display screen welding device - Google Patents

Abstract

The utility model discloses a display screen welding device which comprises a mounting seat, a base and a fixing part, wherein the mounting seat is connected to the top of the base, a welding groove is formed in the top of the mounting seat, and the fixing part is arranged in the welding groove; the base comprises a bottom plate, a lifting part and a driving part, wherein the bottom plate is connected with the mounting seat through the lifting part, the driving part is arranged on one side of the bottom plate, and the driving part is in transmission connection with the lifting part. The base that sets up has the function of going up and down to its lift is adjusted through the rotation of first screw rod, and pivoted first slide and second slide are moved in first screw rod drive, and first slide and the second slide of removal mutually support and drive the mount pad through the bracing piece and go up and down, and the mount pad is taken the display screen, and then realizes the fine lift adjustment to the display screen. In addition, the lifting adjustment can be realized through pedal adjustment and also can be realized through motor automatic adjustment, so that the requirements of different uses are met.

Description

Display screen welding device

Technical Field

The utility model relates to the field of welding devices, in particular to a display screen welding device.

Background

With the development of science and technology, display screens are applied to various fields, such as communication equipment, computers, automobiles, etc., and the demand for display screens is increasing. The display screen is required to be welded in the processing process, and the display screen is required to be fixedly supported by the support during welding.

In the prior art, for example, chinese patent application No.: CN217799854U discloses a novel display screen welding fixture, which comprises a frame, frame fixedly connected with mount, the bottom inner wall sliding connection of mount has the layer board, the bottom both sides of layer board all rotate and are connected with the bull stick, and bull stick intercrossing rotates, the bottom fixed joint of bull stick has the slider, slider sliding connection is in the frame, all rotate between two bull sticks and be connected with hydraulic push rod, hydraulic push rod sliding connection is in the frame, the utility model has following advantage: through hydraulic push rod's flexible to make the angle of bull stick change, the slider slides in the frame, and the layer board slides from top to bottom in the mount, thereby makes can weld the display screen of different thickness, and the telescopic link rotates and stretches out and draws back, makes splint grip the display screen.

Although the device can carry the display screen to reciprocate, the device is adjusted through hydraulic push rod, makes the degree of adjustment great when hydraulic push rod adjusts, can not finely tune the height, and is comparatively accurate to the altitude mixture control requirement when carrying out the display screen welding, therefore the device heightens efficiency lower, is unfavorable for the fine welding of display screen.

Disclosure of Invention

In order to overcome the technical defect that the lifting adjustment of the display screen welding device in the prior art is inconvenient, the utility model provides the display screen welding device which can fix the display screen and finely adjust the height of the display screen so as to meet the height of welding.

The utility model provides a display screen welding device, which comprises a mounting seat, a base and a fixing part, wherein the mounting seat is connected to the top of the base, a welding groove is formed in the top of the mounting seat, and the fixing part is arranged in the welding groove; the base comprises a bottom plate, a lifting part and a driving part, wherein the bottom plate is connected with the mounting seat through the lifting part, the driving part is arranged on one side of the bottom plate, and the driving part is in transmission connection with the lifting part.

In a preferred technical scheme of the utility model, the lifting component comprises a first screw rod, a first sliding seat, a second sliding seat and a supporting rod; the base is provided with a first sliding groove, two first sliding seats are in sliding connection with the first sliding groove, the lower ends of the two supporting rods are respectively connected with the two first sliding seats in a rotating mode, the two supporting rods are connected with each other in a rotating mode, the upper ends of the two supporting rods are respectively connected with a second sliding seat in a rotating mode, the bottom of the mounting seat is provided with a second sliding groove, the second sliding seats are in sliding connection with the second sliding grooves, a first screw rod is horizontally connected in the first sliding groove in a rotating mode, first threads and second threads are arranged on the first screw rod, the first threads and the second threads are oppositely arranged, the first screw rod penetrates through the two first sliding grooves and extends to the outer side of the bottom plate to be connected with the driving part, one of the first sliding seats is in threaded fit with the first threads, and the other first sliding seat is in threaded fit with the second threads.

In a preferred technical scheme of the utility model, the driving component comprises a first pedal, a second pedal, a case, a first single bearing and a second single bearing; one side fixedly connected with slide bar of bottom plate, quick-witted case sliding connection have seted up the opening on the slide bar, and first pedal and second pedal all set up on the opening, first screw rod extends to inside the quick-witted case, and first one-way bearing and second one-way bearing all overlap are located on the first screw rod, first one-way bearing's outer lane is provided with first sawtooth, and second one-way bearing's outer lane is provided with the second sawtooth, and first drive rack is fixed on the top of first pedal, and first drive rack is vertical to be set up and first drive rack and first sawtooth meshing, and the second pedal has the second drive rack through leg joint, and second drive rack and second sawtooth meshing, first drive rack and second drive rack are located respectively the front and back both ends of first screw rod.

In the preferred technical scheme of the utility model, a driving motor is fixed in the case and is connected with the first screw rod through a clutch; and a telescopic cylinder is also connected between the bottom plate and the mounting seat.

In a preferred technical scheme of the utility model, the fixing component comprises a third sliding seat, a fourth sliding seat, a second screw rod, a supporting block and an adjusting piece; third spout has been seted up to the both sides of welding groove, two third slides sliding connection is on the third spout of one side, two fourth slides sliding connection is on the third spout of opposite side, fourth slide one-to-one is connected to the third slide, and be connected with the second screw rod between third slide and the fourth slide, be provided with third screw thread and fourth screw thread on the second screw rod, the cover is equipped with two supporting shoe on every second screw rod, two supporting shoe respectively with third screw thread, fourth screw thread cooperation, the regulating part sets up in the mount pad, and the regulating part is connected with the second screw rod.

In a preferred technical scheme of the utility model, the adjusting piece comprises a third screw rod, a first driving rod, a first worm wheel and a first worm sleeve; the third screw rod passes through the third sliding seat on the same side, the first driving rod passes through the fourth sliding seat on the other side, a fifth thread and a sixth thread are arranged on the third screw rod, and the two third sliding seats are respectively in threaded fit with the fifth thread and the sixth thread; the two second screws are respectively sleeved with a first worm wheel, the first worm wheels are arranged in the fourth sliding seat, the first worm sleeve is rotationally connected inside the fourth sliding seat through a common bearing, a first positioning groove is formed in the inner ring of the first worm sleeve, a first positioning rod is fixed on the first driving rod, the first driving rod penetrates through the first worm sleeve, and the first positioning rod penetrates through the first positioning groove.

In the preferred technical scheme of the utility model, the fixing part further comprises a compression frame, a compression block, a fifth sliding seat, a sixth sliding seat and a fourth screw rod; the pressing frame is rotationally connected to the top of the mounting seat, two fifth sliding seats are slidably connected to one inner side wall of the pressing frame, two sixth sliding seats are slidably connected to the other inner side wall of the pressing frame, the fifth sliding seats and the sixth sliding seats are in one-to-one correspondence, a fourth screw rod is connected between the fifth sliding seats and the sixth sliding seats, two pressing blocks are sleeved on each fourth screw rod, seventh threads and eighth threads are arranged on the fourth screw rod, and the two pressing blocks are respectively in threaded fit with the seventh threads and the eighth threads.

In a preferred technical scheme of the utility model, the adjusting piece further comprises a fifth screw rod, a second driving rod, a second worm wheel and a second worm sleeve, wherein the fifth screw rod passes through the fifth sliding seat on the same side, the second driving rod passes through the sixth sliding seat on the other side, a ninth thread and a tenth thread are arranged on the fifth screw rod, and the two fifth sliding seats are respectively in threaded fit with the ninth thread and the tenth thread; the second worm wheels are sleeved on the two fourth screws, the second worm wheels are arranged in the sixth sliding seat, the second worm sleeve is connected to the inside of the sixth sliding seat through a common bearing in a rotating mode, a second positioning groove is formed in the inner ring of the second worm sleeve, a second positioning rod is fixed on the second driving rod, the second driving rod penetrates through the second worm sleeve, and the second positioning rod penetrates through the second positioning groove.

In the preferred technical scheme of the utility model, the third screw rod and the first driving rod extend to the inside of the mounting seat, a first bevel gear is fixed at the end part of the third screw rod, a second bevel gear is fixed at the end part of the second driving rod, the fifth screw rod and the second driving rod extend to the outside of the compression frame, a third bevel gear is fixed at the end part of the fifth screw rod, a fourth bevel gear is fixed at the end part of the second driving rod, the first bevel gear is meshed with the third bevel gear, and the second bevel gear is meshed with the fourth bevel gear.

In the preferred technical scheme of the utility model, the middle part of the welding groove is embedded with a lifting rod, and the top of the lifting rod is fixed with a turntable.

The beneficial effects of the utility model are as follows:

according to the display screen welding device, the arranged base has the lifting function, the lifting of the base is regulated through the rotation of the first screw, the first sliding seat and the second sliding seat are driven by the rotating first screw to move, the moving first sliding seat and the moving second sliding seat are mutually matched, the mounting seat is driven by the supporting rod to lift up and down, the mounting seat carries the display screen, and further fine lifting regulation of the display screen is realized. In addition, the lifting adjustment can be realized through pedal adjustment and also can be realized through motor automatic adjustment, so that the requirements of different uses are met.

According to the utility model, the display screen to be welded is fixedly clamped through the fixing part, and the fixing part is matched with the driving rod through the screw rod, so that the position of the supporting block can be adjusted according to the size of the display screen, and further, the display screens with different sizes can be fixed, and the phenomenon that the welding effect is influenced by displacement of the display screens in the subsequent welding process is avoided.

Drawings

FIG. 1 is a schematic structural diagram of a display welding device according to an embodiment of the present utility model;

FIG. 2 is a schematic top view of the drive assembly of FIG. 1;

fig. 3 is a schematic view of the structure of fig. 2 when switching to motor driving;

FIG. 4 is a schematic side elevational view of the first pedal drive of FIG. 2;

FIG. 5 is a schematic side elevational view of the second foot pedal drive of FIG. 2

FIG. 6 is a schematic top view of the mount of FIG. 1;

FIG. 7 is an enlarged schematic view of the structure of FIG. 6 at A;

FIG. 8 is a schematic view of the bottom structure of FIG. 7;

FIG. 9 is a schematic side elevational view of the first drive rod and first worm gear sleeve of FIG. 8;

FIG. 10 is a schematic side elevational view of the compression frame of FIG. 1;

FIG. 11 is an enlarged schematic view of the structure of FIG. 10 at B;

FIG. 12 is a side elevational structural view of FIG. 11;

FIG. 13 is a schematic side elevational view of the second drive rod and second worm gear sleeve of FIG. 12;

fig. 14 is a schematic view of another shape supporting block in the present embodiment.

In the figure:

1-mount, 11-second slide, 12-weld groove, 13-third slide, 14-lifter, 15-turntable, 17-scanner, 21-base plate, 22-first screw, 23-first slide, 221-first screw, 222-second screw, 24-support bar, 25-first slide, 26-second slide, 27-slide, 28-telescoping cartridge, 31-case, 32-first foot pedal, 33-second foot pedal, 34-drive motor, 35-clutch, 36-first one-way bearing, 361-first serration, 37-second one-way bearing, 371-second serration, 38-first drive rack, 39-second drive rack, 30-bracket, 311-opening, 41-third slide, 42-fourth slide, 43-second screw, 431-third screw, 432-fourth screw, 44-supporting block, 45-third screw, 451-fifth screw, 452-sixth screw, 46-first driving lever, 47-first bevel gear, 28-second bevel gear, 421-first worm wheel, 422-first worm sleeve, 423-plain bearing, 461-first positioning lever, 424-first positioning groove, 51-pressing frame, 52-clamping block, 53-fifth slide, 54-sixth slide, 55-fourth screw, 551-seventh screw, 552-eighth screw, 56-third bevel gear, 57-fourth bevel gear, 61-fifth screw, 611-ninth screw, 612-tenth threads, 62-second drive rod, 63-second worm gear, 64-second worm gear sleeve, 621-second positioning rod, 641-second positioning groove.

Detailed Description

The technical scheme of the utility model is further described below by the specific embodiments with reference to the accompanying drawings.

As shown in fig. 1-14, in an embodiment, a display screen welding device is provided, which includes a mounting base 1, a base, and a fixing component, wherein the mounting base 1 is connected to the top of the base, a welding groove 12 is formed in the top of the mounting base 1, and the fixing component is disposed in the welding groove 12; the base includes bottom plate 21, lifting unit and drive unit, links through lifting unit between bottom plate 21 and the mount pad 1, and drive unit sets up in one side of bottom plate 21, and drive unit is connected with the lifting unit transmission.

The display screen to be welded is placed in the fixing part of the welding groove 12 and is fixed, then the driving part is adjusted to drive the lifting part to lift, and then the mounting seat 1 is driven to move up and down, so that the display screen to be welded is adjusted, and the optimal welding height is achieved.

Further, the lifting member includes a first screw 22, a first slider 23, a second slider 26, and a support bar 24; the base is provided with a first sliding groove 25, two first sliding seats 23 are slidably connected to the first sliding grooves 25, the lower ends of two supporting rods 24 are respectively and rotatably connected to the two first sliding seats 23, the two supporting rods 24 are mutually and rotatably connected, the upper ends of the two supporting rods 24 are respectively and rotatably connected with a second sliding seat 26, the bottom of the mounting seat 1 is provided with a second sliding groove 11, the second sliding seat 26 is slidably connected to the second sliding groove 11, a first screw rod 22 is horizontally and rotatably connected to the first sliding groove 25, a first screw thread 221 and a second screw thread 222 are arranged on the first screw rod 22, the first screw thread 221 and the second screw thread 222 are oppositely arranged, the first screw rod 22 penetrates through the two first sliding grooves 25 and extends to the outer side of the bottom plate 21 to be connected with a driving part, one of the first sliding seats 23 is in threaded fit with the first screw thread 221, and the other first sliding seat 23 is in threaded fit with the second screw thread 222.

When moving, the driving part drives the first screw rod 22 to rotate, the first screw rod 22 which rotates drives the two first sliding seats 23 to move on the first sliding groove 25 through threaded fit, the first threads 221 and the second threads 222 are opposite threads, and then the two first sliding seats 23 can always move in opposite directions, when the two first sliding seats 23 are close to each other, the supporting rod 24 contracts and drives the mounting seat 1 to ascend, so that the display screen is ascended, when the two first sliding seats 23 are far away from each other and move, the supporting block 44 expands, the mounting seat 1 descends, and the display screen is descended. The first sliding seat 23 is driven to move by the rotation of the first screw 22 so as to realize lifting. The screw thread on the first screw 22 is set thin, so that the rotation of the screw can enable the mounting seat 1 to realize fine lifting adjustment.

Further, the driving part includes a first foot pedal 32, a second foot pedal 33, a casing 31, a first single bearing, and a second single bearing 37; one side of the bottom plate 21 is fixedly connected with a slide bar 27, the chassis 31 is connected onto the slide bar 27 in a sliding manner, an opening 311 is formed in the front end face of the chassis 31, a first foot pedal 32 and a second foot pedal 33 are arranged on the opening 311, a first screw 22 extends into the chassis 31, a first one-way bearing 36 and a second one-way bearing 37 are sleeved on the first screw 22, a first saw tooth 361 is arranged on the outer ring of the first one-way bearing 36, a second saw tooth 371 is arranged on the outer ring of the second one-way bearing 37, a first driving rack 38 is fixed at the top end of the first foot pedal 32, the first driving rack 38 is vertically arranged and is meshed with the first saw tooth 361, the second foot pedal 33 is connected with a second driving rack 39 through a bracket 30, the second driving rack 39 is meshed with the second saw tooth 371, and the first driving rack 38 and the second driving rack 39 are respectively positioned at the front end and the rear end of the first screw 22.

The height of the mounting base 1 can be adjusted manually by means of the first foot pedal 32 and the second foot pedal 33. The locking direction of the first one-way bearing 36 is opposite to that of the second one-way bearing 37. When the first pedal 32 is stepped down, the first pedal 32 drives the first driving rack 38 to descend, and the first driving rack 38 drives the first one-way bearing 36 to rotate when descending, at this time, the first one-way bearing 36 is in a locking state, and it also drives the first screw 22 to rotate, so as to realize height adjustment. When the first pedal 32 loses the pressing force and resets, the first driving rack 38 rises, the first driving rack 38 carries the first one-way bearing 36 to reversely rotate, at this time, the first one-way bearing 36 is in a free state, and does not drive the first screw 22 to rotate, and the first pedal 32 is depressed for multiple times to realize movement of the mounting plate in one direction. When the second one-way bearing 37 is stepped on, the first screw 22 is driven to rotate by the same principle as above, but because the second driving rack 39 is arranged on the other side of the first screw 22 and the locking direction of the first one-way bearing 36 and the second one-way bearing 37 is opposite, the first screw 22 is driven to reversely rotate by stepping on the second foot pedal 33, and further, the other direction of the mounting seat 1 is driven, and the manual driving lifting is realized by the mode. The specific lifting amount can be finely controlled by the pedal mode, and the pedal type lifting device is convenient to adjust.

Further, a driving motor 34 is fixed in the case 31, and the driving motor 34 is connected with the first screw 22 through a clutch 35; a telescopic cylinder 28 is also connected between the bottom plate 21 and the mounting seat 1. When manual adjustment is performed, the clutch 35 is in an off state, and the drive motor 34 is not in driving connection with the first screw 22. When motor adjustment is needed, the case 31 is pushed to the left, the first driving rack 38 is disconnected with the first one-way bearing 36, the second driving rack 39 is disconnected with the second one-way bearing 37, the clutch 35 is combined at the moment, the power output end of the driving motor 34 is connected with the first screw 22, and the first screw 22 is driven to rotate positively and negatively through rotation of the driving motor 34, so that automatic motor control is realized. The clutch 35 in this embodiment is a movable contact clutch 35 in the prior art.

Further, the fixing member includes a third slider 41, a fourth slider 42, a second screw 43, a support block 44, and an adjusting member; the welding groove 12 is provided with third sliding grooves 13 on two sides, two third sliding seats 41 are slidably connected to the third sliding grooves 13 on one side, two fourth sliding seats 42 are slidably connected to the third sliding grooves 13 on the other side, the third sliding seats 41 are connected with the fourth sliding seats 42 in one-to-one correspondence, a second screw rod 43 is connected between the third sliding seats 41 and the fourth sliding seats 42, a third thread wheel 431 and a fourth thread wheel 432 are arranged on the second screw rod 43, two supporting blocks 44 are sleeved on each second screw rod 43, the two supporting blocks 44 are respectively in threaded fit with the third thread wheel 431 and the fourth thread wheel 432, an adjusting piece is arranged in the mounting seat 1, and the adjusting piece is connected with the second screw rod 43.

The upper surface of supporting block 44 is provided with the cushion, and the display screen that waits to weld is placed on supporting block 44, in order to let the not unidimensional display screen obtain sufficient support, is placing the display screen, needs control supporting seat to remove in order to correspond the display screen. After the data of the size of the display screen are obtained, the position of the supporting block 44 is controlled by the adjusting member. The third screw wheel 431 and the fourth screw wheel 432 on the second screw 43 are opposite in screw arrangement direction, and the bottom of the supporting seat is propped against the welding groove 12, so that when the second screw 43 rotates, two supporting blocks 44 on the same second screw 43 can be driven to be close to or separate from each other, the left and right movement of the supporting blocks 44 is realized through the sliding of the third sliding seat 41 and the fourth sliding seat 42 at the two ends of the second screw 43, and in the manner described above, the four supporting blocks 44 are moved to a position capable of fully supporting a display screen, excessive area of the display screen is not occupied, and the influence on welding is reduced.

Further, the adjusting member includes a third screw 45, a first driving rod 46, a first worm gear 421, and a first worm gear housing 422; the third screw 45 passes through the third sliding seat 41 on the same side, the first driving rod 46 passes through the fourth sliding seat 42 on the other side, a fifth thread 451 and a sixth thread 452 are arranged on the third screw 45, and the two third sliding seats 41 are respectively in threaded fit with the fifth thread 451 and the sixth thread 452; the first worm wheel 421 is sleeved on the two second screw rods 43, the first worm wheel 421 is arranged in the fourth sliding seat 42, the first worm sleeve 422 is rotationally connected inside the fourth sliding seat 42 through the common bearing 423, the first positioning groove 424 is formed in the inner ring of the first worm sleeve 422, the first driving rod 46 is fixedly provided with the first positioning rod 461, the first driving rod 46 penetrates through the first worm sleeve 422, and the first positioning rod 461 penetrates through the first positioning groove 424.

The power component drives the third screw 45 to rotate, the fifth screw 451 and the sixth screw 452 on the third screw 45 are opposite screw threads, which can drive the two third sliding seats 41 to approach or separate from each other, and the third sliding drives the second screw 43, the supporting block 44 and the fourth sliding seat 42 to move, so as to further realize the left-right movement of the supporting block 44 in fig. 6. The power component drives the first driving rod 46 to rotate, the first driving rod 46 rotates to drive the first worm sleeve 422 to rotate, the first worm sleeve 422 is rotated to drive the first worm wheel 421 to rotate, the first worm wheel 421 drives the second screw 43 to rotate, and the two supporting blocks 44 on the second screw 43 are far away from or close to each other, so that the supporting blocks 44 move up and down in fig. 6. The first worm sleeve 422 is sleeved on the first driving rod 46, so that the first worm sleeve 422 can also freely slide on the first driving rod 46 when the fourth sliding seat 42 slides, and the first positioning rod 461 drives the first worm sleeve 422 to rotate through the first positioning groove 424 when the first driving rod 46 rotates. Through the mode, the movement control of the supporting blocks 44 is realized, so that the positions of the 4 supporting blocks 44 can be flexibly adjusted according to the size of the display screen, and sufficient support can be provided for the display screen.

Further, the fixing part further includes a pressing frame 51, a pressing block 52, a fifth slider 53, a sixth slider 54, and a fourth screw 55; the compression frame 51 is rotatably connected to the top of the mounting seat 1, two fifth sliding seats 53 are slidably connected to one inner side wall of the compression frame 51, two sixth sliding seats 54 are slidably connected to the other inner side wall of the compression frame 51, the fifth sliding seats 53 are in one-to-one correspondence with the sixth sliding seats 54, a fourth screw 55 is connected between the fifth sliding seats 53 and the sixth sliding seats 54, two compression blocks 52 are sleeved on each fourth screw 55, a seventh thread 551 and an eighth thread 552 are arranged on the fourth screw 55, and the two compression blocks 52 are respectively in threaded fit with the seventh thread 551 and the eighth thread 552.

The pressing frame 51 is rotated down to enable the pressing block 52 to be matched with the supporting block 44 to clamp the display screen, so that the display screen is prevented from moving in the welding process. In order for the display screen to be accurately held, the position of the hold-down block 52 needs to be adjusted to correspond to the position of the support block 44. The adjustment of the compression block 52 is consistent with the adjustment mode of the support block 44, the movement in one direction is realized through the movement of the fourth screw 55, the fifth sliding seat 53 and the sixth sliding seat 54, and the rotation of the fourth screw 55 drives the compression block 52 to rotate in the other direction. Since the seventh screw 551 is disposed opposite to the eighth screw 552, the two pressing blocks 52 on the fourth screw 55 can be driven to move away from or toward each other when they are rotated, thereby achieving movement control.

Further, the adjusting piece further comprises a fifth screw 61, a second driving rod 62, a second worm gear 63 and a second worm sleeve 64, the fifth screw 61 passes through a fifth sliding seat 53 on the same side, the second driving rod 62 passes through a sixth sliding seat 54 on the other side, a ninth thread 611 and a tenth thread 612 are arranged on the fifth screw 61, and the two fifth sliding seats 53 are respectively in threaded fit with the ninth thread 611 and the tenth thread 612; the second worm wheel 63 is sleeved on the two fourth screw rods 55, the second worm wheel 63 is arranged in the sixth sliding seat 54, the second worm sleeve 64 is rotationally connected inside the sixth sliding seat 54 through the common bearing 423, the second positioning groove 641 is formed in the inner ring of the second worm sleeve 64, the second driving rod 62 is fixedly provided with the second positioning rod 621, the second driving rod 62 penetrates through the second worm sleeve 64, and the second positioning rod 621 penetrates through the second positioning groove 641. The second drive lever 62 rotates the fifth screw 61 in the same manner as the first drive lever 46. The second screw 43 rotates to drive the second worm sleeve 64 to rotate, the second worm sleeve 64 drives the second worm wheel 63 to rotate, and the second worm wheel 63 further drives the fourth screw 55 to rotate, so that movement of the compression block 52 in one direction is realized. The external power component drives the fifth screw 61 to rotate, and because the ninth thread 611 and the tenth thread 612 on the fifth screw 61 are opposite, the fifth sliding phase can be driven to approach or separate when the fifth screw 61 rotates, so as to separate or approach the compression block 52 on the fourth screw 55. The position adjustment of the pressing block 52 is achieved in the above-described manner. In this embodiment, a stop lever parallel to the fourth screw 55 is further disposed between the fifth sliding seat 53 and the sixth sliding seat 54 to abut against the back of the column pressing block 52, so as to prevent the pressing block 52 from rotating along with the fourth screw 55.

Further, the third screw 45 and the first driving rod 46 extend to the inside of the mounting seat 1, the end part of the third screw 45 is fixed with a first bevel gear 47, the end part of the second driving rod 62 is fixed with a second bevel gear 48, the fifth screw 61 and the second driving rod 62 extend to the outside of the pressing frame 51, the end part of the fifth screw 61 is fixed with a third bevel gear 56, the end part of the second driving rod 62 is fixed with a fourth bevel gear 57, the first bevel gear 47 is meshed with the third bevel gear 56, and the second bevel gear 48 is meshed with the fourth bevel gear 57.

When the pressing frame 51 is opened, the first bevel gear 47 is meshed with the third bevel gear 56, the second bevel gear 48 is meshed with the fourth bevel gear 57, the fifth screw 61 is synchronously driven to rotate during rotation adjustment of the third screw 45, the second driving rod 62 is synchronously rotated during rotation of the first driving rod 46, the movement of the supporting block 44 is synchronous with the movement of the pressing block 52 through the arrangement, and when the pressing frame 51 is pressed down, the pressing block 52 corresponds to the position of the supporting block 44, the display screen is clamped, and displacement of the display screen in the welding process is avoided.

Further, a lifting rod 14 is embedded in the middle of the welding groove 12, and a turntable 15 is fixed on the top of the lifting rod 14. In the initial state, the lifting rod 14 is lifted, the display screen to be welded is supported by the turntable 15, and after the position of the supporting block 44 is adjusted, the lifting rod 14 is lowered, and the display screen falls onto the supporting block 44. Or when the display screen direction needs to be changed, the lifting rod 14 lifts with the display screen, and the turntable 15 rotates with the display screen to realize displacement reversing.

In this embodiment, a scanner 17 is further disposed at one side of the mounting base 1 to scan the size of the display screen placed on the turntable 15, so as to adjust the positions of the supporting block 44 and the pressing block 52. In this embodiment, a rectangular support block 44 is used, and an L-shaped support block 44 as shown in fig. 14 may be used to reduce the shielding of the display screen surface.

Other techniques of this embodiment employ the prior art.

While the utility model has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the utility model. The utility model is not to be limited by the specific embodiments disclosed herein, and other embodiments are within the scope of the utility model as defined by the claims of the present application.

Claims (2)

1. The utility model provides a display screen welding set which characterized in that: the device comprises a mounting seat (1), a base and a fixing part, wherein the mounting seat (1) is connected to the top of the base, a welding groove (12) is formed in the top of the mounting seat (1), and the fixing part is arranged in the welding groove (12);

the base comprises a bottom plate (21), a lifting component and a driving component, wherein the bottom plate (21) is connected with the mounting seat (1) through the lifting component, the driving component is arranged on one side of the bottom plate (21), and the driving component is in transmission connection with the lifting component;

the lifting part comprises a first screw (22), a first sliding seat (23), a second sliding seat (26) and a supporting rod (24);

the base is provided with a first sliding groove (25), two first sliding seats (23) are connected onto the first sliding groove (25) in a sliding manner, the lower ends of two supporting rods (24) are respectively connected onto the two first sliding seats (23) in a rotating manner, the two supporting rods (24) are connected with each other in a rotating manner, the upper ends of the two supporting rods (24) are respectively connected with a second sliding seat (26) in a rotating manner, the bottom of the mounting seat (1) is provided with a second sliding groove (11), the second sliding seats (26) are connected onto the second sliding groove (11) in a sliding manner, a first screw rod (22) is horizontally connected into the first sliding groove (25) in a rotating manner, a first thread (221) and a second thread (222) are arranged on the first screw rod (22), the first thread (221) and the second thread (222) are oppositely arranged, the first screw rod (22) penetrates through the two first sliding seats (25) and extends to the outer side of the bottom plate (21) to be connected with the driving part, and one first sliding seat (23) is in threaded fit with the first thread (221), and the other first sliding seat (23) is in threaded fit with the second thread (222);

the driving part comprises a first pedal (32), a second pedal (33), a case (31), a first single bearing and a second single bearing (37);

one side of the bottom plate (21) is fixedly connected with a sliding rod (27), the chassis (31) is connected onto the sliding rod (27) in a sliding manner, an opening (311) is formed in the front end face of the chassis (31), the first foot pedal (32) and the second foot pedal (33) are both arranged on the opening (311), the first screw (22) extends into the chassis (31), the first unidirectional bearing (36) and the second unidirectional bearing (37) are both sleeved on the first screw (22), a first saw tooth (361) is arranged on the outer ring of the first unidirectional bearing (36), a second saw tooth (371) is arranged on the outer ring of the second unidirectional bearing (37), a first driving rack (38) is fixed at the top end of the first foot pedal (32), the first driving rack (38) is vertically arranged and is meshed with the first saw tooth (361), the second foot pedal (33) is connected with a second driving rack (39) through a bracket (30), the second driving rack (39) is meshed with the second saw tooth (371), and the first driving rack (38) and the second driving rack (39) are respectively arranged at the two ends of the first driving rack (22);

a driving motor (34) is fixed in the case (31), and the driving motor (34) is connected with the first screw (22) through a clutch (35);

a telescopic cylinder (28) is also connected between the bottom plate (21) and the mounting seat (1);

the fixing part comprises a third sliding seat (41), a fourth sliding seat (42), a second screw rod (43), a supporting block (44) and an adjusting piece;

the welding device is characterized in that a third sliding groove (13) is formed in two sides of the welding groove (12), two third sliding seats (41) are connected to the third sliding groove (13) on one side in a sliding mode, two fourth sliding seats (42) are connected to the third sliding groove (13) on the other side in a sliding mode, the third sliding seats (41) are connected with the fourth sliding seats (42) in a one-to-one correspondence mode, a second screw (43) is connected between the third sliding seats (41) and the fourth sliding seats (42), a third thread wheel (431) and a fourth thread wheel (432) are arranged on the second screw (43), two supporting blocks (44) are sleeved on each second screw (43), the two supporting blocks (44) are in threaded fit with the third thread wheel (431) and the fourth thread wheel (432) respectively, an adjusting piece is arranged in the mounting seat (1), and the adjusting piece is connected with the second screw (43);

the adjusting piece comprises a third screw rod (45), a first driving rod (46), a first worm wheel (421) and a first worm sleeve (422);

the third screw rod (45) passes through the third sliding seat (41) on the same side, the first driving rod (46) passes through the fourth sliding seat (42) on the other side, a fifth thread (451) and a sixth thread (452) are arranged on the third screw rod (45), and the two third sliding seats (41) are respectively in threaded fit with the fifth thread (451) and the sixth thread (452);

the two second screws (43) are sleeved with first worm gears (421), the first worm gears (421) are arranged in the fourth sliding seat (42), the first worm sleeve (422) is rotationally connected to the inside of the fourth sliding seat (42) through a common bearing (423), a first positioning groove (424) is formed in the inner ring of the first worm sleeve (422), a first positioning rod (461) is fixed on the first driving rod (46), the first driving rod (46) penetrates through the first worm sleeve (422), and the first positioning rod (461) penetrates through the first positioning groove (424);

the fixing part further comprises a pressing frame (51), a pressing block (52), a fifth sliding seat (53), a sixth sliding seat (54) and a fourth screw (55);

the compression frame (51) is rotationally connected to the top of the mounting seat (1), two fifth sliding seats (53) are slidably connected to one inner side wall of the compression frame (51), two sixth sliding seats (54) are slidably connected to the other inner side wall of the compression frame (51), the fifth sliding seats (53) and the sixth sliding seats (54) are in one-to-one correspondence, a fourth screw rod (55) is connected between each fifth sliding seat (53) and each sixth sliding seat (54), two compression blocks (52) are sleeved on each fourth screw rod (55), a seventh thread (551) and an eighth thread (552) are arranged on each fourth screw rod (55), and the two compression blocks (52) are respectively in threaded fit with the seventh thread (551) and the eighth thread (552);

the adjusting piece also comprises a fifth screw (61), a second driving rod (62), a second worm wheel (63) and a second worm sleeve (64),

the fifth screw rod (61) passes through the fifth sliding seat (53) on the same side, the second driving rod (62) passes through the sixth sliding seat (54) on the other side, a ninth thread (611) and a tenth thread (612) are arranged on the fifth screw rod (61), and the two fifth sliding seats (53) are respectively in threaded fit with the ninth thread (611) and the tenth thread (612);

the second worm wheels (63) are sleeved on the two fourth screw rods (55), the second worm wheels (63) are arranged in the sixth sliding seat (54), the second worm sleeve (64) is rotationally connected to the inside of the sixth sliding seat (54) through a common bearing (423), a second positioning groove (641) is formed in the inner ring of the second worm sleeve (64), a second positioning rod (621) is fixed on the second driving rod (62), the second driving rod (62) penetrates through the second worm sleeve (64), and the second positioning rod (621) penetrates through the second positioning groove (641);

the third screw rod (45) and the first driving rod (46) extend into the installation seat (1), a first bevel gear (47) is fixed at the end part of the third screw rod (45), a second bevel gear (48) is fixed at the end part of the second driving rod (62),

the fifth screw (61) and the second driving rod (62) extend to the outside of the pressing frame (51), a third bevel gear (56) is fixed at the end part of the fifth screw (61), a fourth bevel gear (57) is fixed at the end part of the second driving rod (62), the first bevel gear (47) is meshed with the third bevel gear (56), and the second bevel gear (48) is meshed with the fourth bevel gear (57).

2. A display screen welding apparatus as defined in claim 1, wherein:

the middle part of welding groove (12) has inlayed lifter (14), and the top of lifter (14) is fixed with carousel (15).