CN215880513U

CN215880513U - Be used for medical sick bed lower bed body assembly welded frock

Info

Publication number: CN215880513U
Application number: CN202121620296.9U
Authority: CN
Inventors: 刘广龙
Original assignee: Henan Shun Hair Medical Equipment Co ltd
Current assignee: Henan Shun Hair Medical Equipment Co ltd
Priority date: 2021-07-15
Filing date: 2021-07-15
Publication date: 2022-02-22
Anticipated expiration: 2031-07-15

Abstract

The utility model relates to the technical field of bed body welding, in particular to a tool for welding a bed body assembly under a medical sickbed, which improves the yield of the welded device and the practicability of the device; the welding device comprises a workbench, a bracket and a welding mechanism, wherein the bracket is arranged at the top end of the workbench, the welding mechanism is arranged on the bracket, and a welding gun is arranged on the welding mechanism; still include first round bar, the second round bar, left L template, the head rod, first rack, right L template, the second connecting rod, second rack and actuating mechanism, first round bar and second round bar are all installed on the support, the second round bar is at first round bar rear, left L template left end front half region and latter half region are provided with first round hole and second round hole respectively, first round hole and second round hole slide the suit with first round bar and second round bar respectively, workstation top left half region is provided with first through-hole, the head rod top is passed first through-hole and is connected with left L template bottom front half region.

Description

Be used for medical sick bed lower bed body assembly welded frock

Technical Field

The utility model relates to the technical field of bed body welding, in particular to a tool for welding a bed body assembly under a medical sickbed.

Background

The medical bed refers to an appliance or other articles used for a human body, the effect of the appliance or other articles used for the surface of the human body is not obtained by pharmacological, immunological or metabolic means, but the appliances may participate in and play a certain auxiliary role; its use is intended to achieve the following intended purposes: preventing, diagnosing, treating, monitoring and relieving diseases; and (II) diagnosis, treatment, monitoring, alleviation and compensation of injury or disability.

The existing welding tool finds that when the lower bed body is welded, the bed frame of the lower bed body is welded, the multiple groups of lower bed body supporting rods are placed at the welding position for welding, but the bed frame is placed on the workbench during welding and is not fixed for welding, so that the welding is crooked, the defective rate of the lower bed body after welding is higher, and the practicability of the device is poor.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides a welding tool for a lower bed body assembly of a medical sickbed, which can improve the yield of the welded device and the practicability of the device.

The utility model discloses a tool for welding a lower bed body assembly of a medical sickbed, which comprises a workbench, a bracket and a welding mechanism, wherein the bracket is arranged at the top end of the workbench; the first round rod and the second round rod are both arranged on the bracket, the second round rod is arranged behind the first round rod, a first round hole and a second round hole are respectively arranged in the front half area and the rear half area of the left end of the left L-shaped plate, the first round hole and the second round hole are respectively sleeved with the first round rod and the second round rod in a sliding manner, a first through hole is arranged in the left half area of the top end of the workbench, the top end of the first connecting rod penetrates through the first through hole and is connected with the front half area of the bottom end of the left L-shaped plate, the left half area of the top end of the first rack is connected with the bottom end of the first connecting rod, a third round hole and a fourth round hole are respectively arranged in the front half area and the rear half area of the right end of the right L-shaped plate, the third round hole and the fourth round hole are respectively sleeved with the first round rod and the second round rod in a sliding manner, and a second through hole is arranged in the right half area of the top end of the workbench, the top end of the second connecting rod penetrates through the second through hole to be connected with the rear half area of the bottom end of the right L-shaped plate, the right half area of the top end of the second rack is connected with the bottom end of the second connecting rod, the driving mechanism is installed on the workbench, and the input ends of the first rack and the second rack are connected with the output end of the driving mechanism.

The utility model relates to a tool for welding a lower bed body assembly of a medical sickbed, which comprises a rotating shaft, a gear, a worm wheel, a connecting plate, a worm and a motor, wherein the top end of the rotating shaft is connected with a bearing in the central area of the bottom end of a workbench, the top end of the gear is concentrically connected with the bottom end of the rotating shaft, the rotating shaft is meshed with a first rack and a second rack, the worm wheel is fixedly sleeved on the rotating shaft, the connecting plates are symmetrically arranged in the right half area of the bottom end of the workbench, the central areas of the front ends of the two groups of connecting plates are respectively provided with a first rotating hole, the worm is sleeved with the bearings of the two groups of first rotating holes, the worm is meshed with the worm wheel, the motor is arranged on the workbench, and the output end of the motor is connected with the input end of the worm.

The utility model relates to a tool for welding a lower bed body assembly of a medical sickbed, which further comprises a threaded rod, a first limiting rod, a sliding block, universal beads, a hand wheel and a limiting mechanism, wherein two groups of second rotating holes are symmetrically arranged on a support, the threaded rod is sleeved with two groups of second rotating hole bearings, the first limiting rod is transversely arranged on the support, the first limiting rod is arranged behind the threaded rod, a front half area and a rear half area of the left end of the sliding block are respectively provided with a threaded hole and a limiting hole, the threaded hole is in threaded installation with the threaded rod, the limiting hole is in sliding sleeving installation with the first limiting rod, the welding mechanism is arranged on the right half area of the bottom end of the sliding block, the bottom ends of the four groups of universal beads are respectively connected with the left front side, the left rear side, the right front side and the right rear side of the top end of the sliding block, the top ends of the four groups of universal beads are in sliding contact with the support, the left end of the hand wheel is concentrically connected with the right end of the threaded rod, and the limiting mechanism is arranged on the sliding block.

The utility model relates to a tool for welding a lower bed body assembly of a medical sickbed, which comprises a connecting block, a fixed rod, a limiting plate, a fixed plate, a movable plate, a spring and a second limiting rod, wherein the top end of the connecting block is connected with the left half area of the bottom end of a sliding block, the central area of the bottom end of the connecting block is provided with a sliding groove, the fixed rod is arranged in the lower half area of the sliding groove, the front end of the limiting plate is provided with a first long hole which is sleeved with the fixed rod in a sliding way, the right end of the fixed plate is connected with the lower half area of the left end of the connecting block, the central area of the right end of the movable plate is hinged with the left end of the fixed plate, the left end and the right end of the spring are respectively connected with the upper half area of the right end of the movable plate and the lower half area of the left end of the connecting block, the bottom end of the movable plate is provided with a first limiting groove, the lower half area of the front end of the movable plate is provided with a second long hole which is communicated with the first limiting groove, and a third through hole is arranged in the lower half area of the left end of the connecting block, the first half area and the second half area of the left end of the limiting plate are both provided with second limiting grooves, the right end of the second limiting rod penetrates through the third through hole and then is inserted into the second limiting groove of the lower portion, the front end and the rear end of the second limiting rod are both provided with third connecting rods, and the two sets of third connecting rods are in sliding contact with the second long hole.

According to the tool for welding the lower bed body assembly of the medical sickbed, the scale mark is arranged in the front half area of the top end of the workbench.

According to the tool for welding the lower bed body assembly of the medical sickbed, the anti-skid pads are arranged at the right end of the left L-shaped plate and the left end of the right L-shaped plate.

The tool for welding the lower bed body assembly of the medical sickbed further comprises a rotating rod, and the left end of the rotating rod is connected with the upper half area bearing at the right end of the hand wheel.

According to the tool for welding the lower bed body assembly of the medical sickbed, the upper half area of the left end of the movable plate is provided with the anti-skid grains.

Compared with the prior art, the utility model has the beneficial effects that: by arranging the first round rod, the first round rod and the second round rod are matched with the bracket to be respectively supported with the left L-shaped plate and the right L-shaped plate, a bed frame part to be welded is placed on the workbench, then the driving mechanism is matched with the first rack and the second rack simultaneously to drive the first rack to move from left to right and the second rack to move from right to left, the first rack and the second rack respectively drive the first connecting rod and the second connecting rod to move oppositely, the first connecting rod and the second connecting rod drive the left L-shaped plate and the right L-shaped plate to move oppositely to enclose the welding area of the bed frame, the part of bed frame is placed in the area that closes of enclosing of left L template and right L template before welding the bed frame, welds through welder after contacting the inside wall with left L template and right L template respectively with the part, appears crooked condition when preventing to weld, improves the yield after the welding of device and the practicality of device.

Drawings

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

FIG. 2 is a schematic view of the connection structure of the left L-shaped board and the non-slip mat in the utility model;

FIG. 3 is a schematic view showing a coupling structure of a bracket and a first stopper rod according to the present invention;

FIG. 4 is a schematic view showing a connection structure of a connecting plate and a worm in the present invention;

FIG. 5 is an enlarged schematic view of portion A of FIG. 1;

in the drawings, the reference numbers: 1. a work table; 2. a support; 3. a welding mechanism; 4. a welding gun; 5. a first round bar; 6. a second round bar; 7. a left L-shaped plate; 8. a first connecting rod; 9. a first rack; 10. a right L-shaped plate; 11. a second connecting rod; 12. a second rack; 13. a rotating shaft; 14. a gear; 15. a worm gear; 16. a connecting plate; 17. a worm; 18. a motor; 19. a threaded rod; 20. a first limit rod; 21. a slider; 22. a universal bead; 23. a hand wheel; 24. connecting blocks; 25. fixing the rod; 26. a limiting plate; 27. a fixing plate; 28. a movable plate; 29. a spring; 30. a second limiting rod; 31. a third connecting rod; 32. scale marks are marked; 33. a non-slip mat; 34. and (4) rotating the rod.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.

As shown in fig. 1 to 5, the tool for welding the lower bed body assembly of the medical sickbed comprises a workbench 1, a bracket 2 and a welding mechanism 3, wherein the bracket 2 is installed at the top end of the workbench 1, the welding mechanism 3 is installed on the bracket 2, and a welding gun 4 is arranged on the welding mechanism 3; the automatic forming machine also comprises a first round rod 5, a second round rod 6, a left L-shaped plate 7, a first connecting rod 8, a first rack 9, a right L-shaped plate 10, a second connecting rod 11, a second rack 12 and a driving mechanism, wherein the first round rod 5 and the second round rod 6 are both arranged on the bracket 2, the second round rod 6 is arranged behind the first round rod 5, the front half area and the rear half area of the left end of the left L-shaped plate 7 are respectively provided with a first round hole and a second round hole, the first round hole and the second round hole are respectively sleeved with the first round rod 5 and the second round rod 6 in a sliding way, the left half area of the top end of the workbench 1 is provided with a first through hole, the top end of the first connecting rod 8 penetrates through the first through hole to be connected with the front half area of the bottom end of the left L-shaped plate 7, the left half area of the top end of the first rack 9 is connected with the bottom end of the first connecting rod 8, the front half area and the rear half area of the right end of the L-shaped plate 10 are respectively provided with a third round hole and a fourth round hole, the third round hole and a fourth round hole are respectively, a second through hole is formed in the right half area of the top end of the workbench 1, the top end of a second connecting rod 11 penetrates through the second through hole to be connected with the rear half area of the bottom end of the right L-shaped plate 10, the right half area of the top end of a second rack 12 is connected with the bottom end of the second connecting rod 11, a driving mechanism is installed on the workbench 1, and the input ends of the first rack 9 and the second rack 12 are connected with the output end of the driving mechanism; by arranging the first round rod 5, the first round rod 5 and the second round rod 6 are matched with the bracket 2 to be respectively supported with the left L-shaped plate 7 and the right L-shaped plate 10, bed frame parts to be welded are placed on the workbench 1, then the driving mechanism is simultaneously matched with the first rack 9 and the second rack 12 to drive the first rack 9 to move from left to right and the second rack 12 to move from right to left, the first rack 9 and the second rack 12 respectively drive the first connecting rod 8 and the second connecting rod 11 to move oppositely, the first connecting rod 8 and the second connecting rod 11 drive the left L-shaped plate 7 and the right L-shaped plate 10 to move oppositely to enclose a welding area of the bed frame, the parts of the bed frame are placed in an enclosing area of the left L-shaped plate 7 and the right L-shaped plate 10 before the bed frame is welded, the parts are respectively contacted with the inner side walls of the left L-shaped plate 7 and the right L-shaped plate 10 and then are welded by the welding gun 4, the skew condition during welding is prevented, the yield of the device after welding and the practicability of the device are improved.

The utility model relates to a tool for welding a lower bed body assembly of a medical sickbed, which comprises a rotating shaft 13, a gear 14, a worm gear 15, a connecting plate 16, a worm 17 and a motor 18, wherein the top end of the rotating shaft 13 is in bearing connection with the central area of the bottom end of a workbench 1, the top end of the gear 14 is in concentric connection with the bottom end of the rotating shaft 13, the rotating shaft 13 is meshed with a first rack 9 and a second rack 12, the worm gear 15 is fixedly sleeved on the rotating shaft 13, the connecting plate 16 is symmetrically arranged on the right half area of the bottom end of the workbench 1, the central areas of the front ends of the two groups of connecting plates 16 are respectively provided with a first rotating hole, the worm 17 is sleeved with the two groups of first rotating hole bearings, the worm 17 is meshed with the worm gear 15, the motor 18 is arranged on the workbench 1, and the output end of the motor 18 is connected with the input end of the worm 17; through setting up pivot 13, workstation 1 and the cooperation of pivot 13 support gear 14, open motor 18, motor 18 drives connecting plate 16 rotatory under the cooperation of two sets of worms 17, worm 17 and the cooperation of worm wheel 15 drive gear 14 rotatory through pivot 13, the rotatory first rack 9 and the removal of second rack 12 of drive of gear 14, close motor 18, worm 17 and the cooperation auto-lock of worm wheel 15, it is rotatory to reduce gear 14 emergence, influence the accuracy that closes the region of enclosing of left L template 7 and right L template 10, the practicality of the device is improved.

The utility model relates to a tool for welding a lower bed body assembly of a medical sickbed, which further comprises a threaded rod 19, a first limiting rod 20, a sliding block 21, universal balls 22, a hand wheel 23 and a limiting mechanism, wherein two groups of second rotating holes are symmetrically arranged on a support 2, the threaded rod 19 is sleeved with two groups of second rotating hole bearings, the first limiting rod 20 is transversely arranged on the support 2, the first limiting rod 20 is arranged behind the threaded rod 19, the front half area and the rear half area of the left end of the sliding block 21 are respectively provided with a threaded hole and a limiting hole, the threaded hole is screwed with the threaded rod 19, the limiting hole is sleeved with the first limiting rod 20 in a sliding manner, the welding mechanism 3 is arranged on the right half area of the bottom end of the sliding block 21, the bottom ends of the four groups of universal balls 22 are respectively connected with the left front side, the left rear side, the right front side and the right rear side of the top end of the sliding block 21, the top ends of the four groups of universal balls 22 are in sliding contact with the support 2, the left end of the hand wheel 23 is concentrically connected with the right end of the threaded rod 19, the limiting mechanism is arranged on the sliding block 21; through setting up hand wheel 23, rotatory hand wheel 23, hand wheel 23 drives threaded rod 19 rotatory under the support of support 2, and threaded rod 19 is rotatory to be driven slider 21 and is controlled about the spacing of first gag lever post 20, keeps the horizontality when slider 21 removes through universal pearl 22 and support 2 cooperation messenger slider 21 when removing about slider 21, improves the practicality of device.

The utility model relates to a tool for welding a lower bed body assembly of a medical sickbed, which comprises a connecting block 24, a fixed rod 25, a limiting plate 26, a fixed plate 27, a movable plate 28, a spring 29 and a second limiting rod 30, wherein the top end of the connecting block 24 is connected with the left half area of the bottom end of a sliding block 21, the central area of the bottom end of the connecting block 24 is provided with a sliding groove, the fixed rod 25 is arranged in the lower half area of the sliding groove, the front end of the limiting plate 26 is provided with a first long hole which is slidably sleeved with the fixed rod 25, the right end of the fixed plate 27 is connected with the lower half area of the left end of the connecting block 24, the central area of the right end of the movable plate 28 is hinged with the left end of the fixed plate 27, the left end and right ends of the spring 29 are respectively connected with the upper half area of the right end of the movable plate 28 and the lower half area of the left end of the connecting block 24, the bottom end of the movable plate 28 is provided with a second long hole which is communicated with the first limiting groove, a third through hole is formed in the lower half area of the left end of the connecting block 24, second limiting grooves are formed in the upper half area and the lower half area of the left end of the limiting plate 26, the right end of the second limiting rod 30 penetrates through the third through hole and then is inserted into the second limiting groove in the lower portion, third connecting rods 31 are arranged at the front end and the rear end of the second limiting rod 30, and the two groups of third connecting rods 31 are in sliding contact with the second long hole; the connecting block 24 is arranged, the connecting block 24 and the fixed rod 25 are matched to limit the position of the position limiting plate 26, an operator presses the upper half area of the left end of the movable plate 28 downwards, the movable plate 28 and the fixed plate 27 are matched to drive the second limiting rod 30 to move leftwards through the second through hole and two groups of third connecting rods 31, the second limiting rod 30 relieves the limit of the lower second limiting groove, the position limiting plate 26 descends, the fixed rod 25 is contacted with the inner top side wall of the first long hole when the position limiting plate 26 descends to be contacted with the top end of the workbench 1, then the pressed movable plate 28 is loosened, the movable plate 28 and the fixed plate 27 are matched to drive the second limiting rod 30 to be inserted into the upper second limiting groove through the third connecting rods 31, when a plurality of groups of lower bed body supporting rods are welded, the supporting rods of the lower bed body are matched to limit and mark the supporting rods of the lower bed through the position limiting plate 26 and the workbench 1, so that the accuracy of welding of the lower bed supporting rods to the bed is improved, the practicability of the device is improved.

According to the tool for welding the lower bed body assembly of the medical sickbed, the scale mark 32 is arranged in the front half area of the top end of the workbench 1; through setting up scale mark 32, instruct left L template 7 and right L template 10 through scale mark 32 when removing that the device of being convenient for adjusts the practicality of improvement device before welding to the bed frame of different specifications before enclosing the length that closes the region to left L template 7 and right L template 10.

According to the tool for welding the lower bed body assembly of the medical sickbed, the anti-skid pads 33 are arranged at the right end of the left L-shaped plate 7 and the left end of the right L-shaped plate 10; through setting up slipmat 33, improve the frictional force to the bed frame when pressing from both sides tightly through slipmat 33 cooperation when left L template 7 and right L template 10 press from both sides the bed frame, reduce to press from both sides tight back bed frame and produce and rock, improve device's practicality.

The tool for welding the lower bed body assembly of the medical sickbed further comprises a rotating rod 34, wherein the left end of the rotating rod 34 is connected with the upper half area bearing at the right end of the hand wheel 23; through setting up bull stick 34, rotate through bull stick 34 when rotatory hand wheel 23 and be more convenient for operate, improve the practicality of device.

According to the tool for welding the lower bed body assembly of the medical sickbed, the upper half area of the left end of the movable plate 28 is provided with anti-skid grains; through setting up anti-skidding line, the frictional force when operating personnel improves to press through anti-skidding line when pressing fly leaf 28, is convenient for operate, improves the practicality of device.

When the tool for welding the lower bed body assembly of the medical sickbed is in operation, firstly, a bed frame part needing to be welded is placed on a workbench 1, then a motor 18 is started, the motor 18 drives a connecting plate 16 to rotate under the matching of two groups of worms 17, the worms 17 and worm wheels 15 are matched to rotate through a rotating shaft 13 and a transmission belt 14, the gear 14 simultaneously drives a first rack 9 and a second rack 12 to be matched to drive the first rack 9 to move from left to right and the second rack 12 to move from right to left, the first rack 9 and the second rack 12 respectively drive a first connecting rod 8 and a second connecting rod 11 to move oppositely, the first connecting rod 8 and the second connecting rod 11 drive a left L-shaped plate 7 and a right L-shaped plate 10 to move oppositely to enclose a welding area of the bed frame, then the bed frame is welded, an operator presses an upper half area of the left end of a movable plate 28 downwards, the movable plate 28 and a fixed plate 27 are matched to drive a second limiting rod 30 through a second through hole and two groups of third connecting rods 31 The left side moves, the second limiting rod 30 relieves the limitation on the second limiting groove at the lower part, the limiting plate 26 descends, when the limiting plate 26 descends to be in contact with the top end of the workbench 1, the fixed rod 25 is in contact with the inner top side wall of the first long hole, then the pressed movable plate 28 is loosened, the movable plate 28 and the fixed plate 27 are matched to drive the second limiting rod 30 to be inserted into the second limiting groove at the upper part through the matching of the third connecting rod 31, then the limiting plate 26 limits the lower bed body supporting rod to be welded, then the hand wheel 23 is rotated, the hand wheel 23 drives the threaded rod 19 to rotate under the support of the support 2, and the threaded rod 19 rotates to drive the sliding block 21 to move rightwards under the limitation of the first limiting rod 20 to weld a plurality of groups of lower bed body supporting rods respectively.

The tool for welding the lower bed body assembly of the medical sickbed has the advantages that the mounting mode, the connecting mode or the setting mode are common mechanical modes, and the tool can be implemented as long as the beneficial effects of the tool are achieved.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. A tool for welding a lower bed body assembly of a medical sickbed comprises a workbench (1), a support (2) and a welding mechanism (3), wherein the support (2) is installed at the top end of the workbench (1), the welding mechanism (3) is installed on the support (2), and a welding gun (4) is arranged on the welding mechanism (3); the device is characterized by further comprising a first round rod (5), a second round rod (6), a left L-shaped plate (7), a first connecting rod (8), a first rack (9), a right L-shaped plate (10), a second connecting rod (11), a second rack (12) and a driving mechanism, wherein the first round rod (5) and the second round rod (6) are both arranged on the support (2), the second round rod (6) is arranged behind the first round rod (5), a first round hole and a second round hole are respectively arranged in the front half area and the rear half area of the left end of the left L-shaped plate (7), the first round hole and the second round hole are respectively sleeved with the first round rod (5) and the second round rod (6) in a sliding manner, a first through hole is arranged in the left half area of the top end of the workbench (1), the top end of the first connecting rod (8) penetrates through the first through hole to be connected with the front half area of the bottom end of the left L-shaped plate (7), the left half area of the top end of the first rack (9) is connected with the bottom end of the first connecting rod (8), the utility model discloses a set up the right side L template (10) right-hand member, including workstation (1) top, first half region, second connecting rod (11), drive mechanism, first rack (9) and second rack (12) input all are connected with the drive mechanism output, the first half region of right side L template (10) right-hand member and latter half region are provided with third round hole and fourth round hole respectively, third round hole and fourth round hole respectively with first round bar (5) and second round bar (6) slip suit, workstation (1) top right half region is provided with the second through-hole, second connecting rod (11) top is passed the second through-hole and is connected with right L template (10) bottom latter half region, second rack (12) top right half region is connected with second connecting rod (11) bottom, drive mechanism installs on workstation (1).

2. The tool for welding the lower bed body assembly of the medical sickbed according to claim 1, wherein the driving mechanism comprises a rotating shaft (13), a gear (14), a worm gear (15), a connecting plate (16), a worm (17) and a motor (18), the top end of the rotating shaft (13) is in bearing connection with the central area of the bottom end of the workbench (1), the top end of the gear (14) is in concentric connection with the bottom end of the rotating shaft (13), the rotating shaft (13) is meshed with the first rack (9) and the second rack (12), the worm gear (15) is fixedly sleeved on the rotating shaft (13), the connecting plate (16) is symmetrically installed on the right half area of the bottom end of the workbench (1), the central areas of the front ends of the two groups of connecting plates (16) are respectively provided with a first rotating hole, the worm (17) is sleeved with the two groups of first rotating hole bearings, the worm (17) is meshed with the worm gear (15), the motor (18) is installed on the workbench (1), and the output end of the motor (18) is connected with the input end of the worm (17).

3. The tool for welding the lower bed body assembly of the medical sickbed according to claim 1, further comprising a threaded rod (19), a first limiting rod (20), a sliding block (21), a universal ball (22), a hand wheel (23) and a limiting mechanism, wherein the bracket (2) is symmetrically provided with two groups of second rotating holes, the threaded rod (19) is sleeved with the two groups of second rotating hole bearings, the first limiting rod (20) is transversely installed on the bracket (2), the first limiting rod (20) is arranged behind the threaded rod (19), a threaded hole and a limiting hole are respectively arranged in a front half area and a rear half area of the left end of the sliding block (21), the threaded hole and the threaded rod (19) are in threaded installation, the limiting hole is slidably sleeved with the first limiting rod (20), the welding mechanism (3) is installed in a right half area of the bottom end of the sliding block (21), and the bottom ends of the four groups of universal balls (22) are respectively connected with a front left side and a front side of the top end of the sliding block (21), The left rear side, the right front side and the right rear side are connected, the top ends of the four groups of universal beads (22) are in sliding contact with the support (2), the left end of the hand wheel (23) is concentrically connected with the right end of the threaded rod (19), and the limiting mechanism is installed on the sliding block (21).

4. The tool for welding the lower bed body assembly of the medical sickbed according to claim 3, wherein the limiting mechanism comprises a connecting block (24), a fixed rod (25), a limiting plate (26), a fixed plate (27), a movable plate (28), a spring (29) and a second limiting rod (30), the top end of the connecting block (24) is connected with the left half area of the bottom end of the sliding block (21), the central area of the bottom end of the connecting block (24) is provided with a sliding groove, the fixed rod (25) is installed in the lower half area of the sliding groove, the front end of the limiting plate (26) is provided with a first long hole which is slidably sleeved with the fixed rod (25), the right end of the fixed plate (27) is connected with the lower half area of the left end of the connecting block (24), the central area of the right end of the movable plate (28) is hinged with the left end of the fixed plate (27), the left end and the right end of the spring (29) are respectively connected with the upper half area of the right end of the movable plate (28) and the lower half area of the left end of the connecting block (24), the utility model discloses a spacing groove, including portable plate (28), connecting block (24), limiting plate (26), portable plate (28) front end, second slotted hole, first limiting groove intercommunication, connecting block (24) left end is the first region down and is provided with the third through-hole, limiting plate (26) left end is the first region and is provided with the second limiting groove with the first region down, insert the second limiting groove of lower part after second gag lever post (30) right-hand member passes the third through-hole, second gag lever post (30) front end and rear end all are provided with third connecting rod (31), two sets of third connecting rod (31) all with second slotted hole sliding contact.

5. The welding tool for the lower bed body assembly of the medical sickbed according to claim 1, characterized in that the front half area of the top end of the workbench (1) is provided with scale marks (32).

6. The tool for welding the lower bed body assembly of the medical sickbed according to claim 1, wherein anti-slip pads (33) are arranged at the right end of the left L-shaped plate (7) and the left end of the right L-shaped plate (10).

7. The tool for welding the lower bed body assembly of the medical sickbed according to claim 3, further comprising a rotating rod (34), wherein the left end of the rotating rod (34) is in bearing connection with the upper half area of the right end of the hand wheel (23).

8. The welding fixture for the lower bed body assembly of the medical sickbed according to claim 4, characterized in that the upper half area of the left end of the movable plate (28) is provided with anti-skid lines.