CN218225277U

CN218225277U - Sill support welding tool

Info

Publication number: CN218225277U
Application number: CN202221947155.2U
Authority: CN
Inventors: 马健; 俞寅; 王平凡; 金佳杰
Original assignee: Hangzhou Kangteer Elevator Components Co ltd
Current assignee: Hangzhou Kangteer Elevator Components Co ltd
Priority date: 2022-07-27
Filing date: 2022-07-27
Publication date: 2023-01-06
Anticipated expiration: 2032-07-27

Abstract

The utility model relates to an escalator spare part manufacturing, concretely relates to sill scaffold weldment frock. The first positioning device comprises a vertical positioning block and a threaded compression bar, the vertical positioning block is fixedly connected to the working frame, a first vertical surface perpendicular to the working surface of the working frame and used for positioning a second workpiece is arranged on the vertical positioning block, and the threaded compression bar is in threaded connection with the vertical positioning block in the direction perpendicular to the working surface of the working frame. The utility model discloses a perpendicular and U type locating piece on the vertical positioning piece carry out the centre gripping operation to it under guaranteeing second work piece and the perpendicular condition of work frame working face, and the straightness that hangs down of first work piece and second work piece can be controlled to qualified level this moment, carries out the welding operation again.

Description

Sill support welding frock

Technical Field

The utility model relates to an escalator spare part manufacturing, concretely relates to sill scaffold weldment frock.

Background

The sill is fixedly arranged on a hoistway wall or a car bottom platform at the entrance of the elevator hoistway door through a sill support, plays a guiding role for opening and closing the elevator door, and is required to bear the weight of passengers or goods entering and exiting the car. The common sill support in the existing market has the problem of insufficient verticality in the design and manufacturing process. And the size of sill support can change according to the place demand, needs a welding frock to sill support, and it needs to be strictly fixed a position the perpendicular part of sill support at the welded form, makes its finished product possess the straightness that hangs down that accords with the requirement.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a sill scaffold weldment frock, its welded finished product possesses sufficient straightness that hangs down, and is applicable to not unidimensional sill support to solve foretell problem.

Because the sill support that aims at in this scheme includes first work piece and second work piece, wherein first work piece and second work piece are the L template, and the one end welding of second work piece is back on the board of first work piece, still need install the strengthening rib additional in first work piece and the second work piece vertical arrangement production have the open-ended cuboid space and weld it and guarantee the holistic structural strength of work piece. Therefore, a general welding tool cannot bypass the L-shaped plate to position the first workpiece and the second workpiece, and the technical scheme is as follows:

the utility model provides a sill scaffold weldment frock, includes the workstation, first positioner and second positioner, first positioner include vertical location piece and screw depression bar, vertical location piece fixed connection on the workstation, the vertical location piece on be provided with the first perpendicular that is used for fixing a position the second work piece of perpendicular to workstation working face, the screw depression bar on perpendicular to workstation working face direction with vertical location piece threaded connection, be used for compressing tightly first work piece screw depression bar lower surface with the workstation working face position cooperation, second positioner include support, pusher and U type locating piece, pusher one end on the horizontal direction with support sliding connection, the pusher other end and U type locating piece fixed connection, U type locating piece one end side be the second perpendicular that is used for the second work piece of location of perpendicular to workstation working face, U type locating piece one end lower surface be the horizontal location face that is used for fixing a position first work piece levelness. And controlling the verticality of the first workpiece and the second workpiece to be qualified level through the vertical surface on the vertical positioning block, and then performing welding operation.

Optionally, the pushing device comprises a pushing rod, a connecting rod and a pushing holding rod, the pushing rod is connected with the support in a sliding mode in the horizontal direction, one end of the pushing rod is fixedly connected with the U-shaped positioning block, the other end of the pushing rod is hinged to one end of the connecting rod, the other end of the connecting rod is hinged to the pushing rod, and one end of the pushing holding rod is hinged to the support. Through the linkage of the connecting rod and the pushing rod, the U-shaped positioning block can be pushed to the designated position on the second workpiece, so that the U-shaped positioning block and the vertical surface clamp the second workpiece tightly to ensure the verticality of the second workpiece.

Optionally, the first positioning devices are arranged in a plurality of numbers, and the first positioning devices are arranged on the working surface of the working frame in parallel.

Optionally, the second positioning devices are provided in plurality, and the second positioning devices are arranged on the working frame in parallel.

Optionally, the first positioning devices and the second positioning devices are arranged in a one-to-one correspondence.

Optionally, the working frame is further provided with pressing devices in a staggered manner. The pressing device can assist in clamping the workpiece, and when the length of the workpiece is too long, the workpiece to be installed and positioned needs to be pressed by the pressing device.

Optionally, the screw thread depression bar include rotation threaded rod, pressure spring and compact heap, rotation threaded rod on perpendicular to work frame working face direction with perpendicular locating piece threaded connection, pressure spring one end with rotation threaded rod lower extreme connect, the pressure spring other end with compact heap upper surface contact, the compact heap on perpendicular to work frame working face direction with perpendicular locating piece sliding connection for compress tightly first work piece the compact heap lower surface with the work frame working face position cooperation. The lower surface of the rotary threaded rod is replaced by the lower surface of the pressing block, and the levelness of the lower surface of the pressing block is guaranteed not to be influenced by rotation.

Optionally, a circular groove matched with the other end of the compression spring is arranged on the upper surface of the compression block. The other end of the compression spring can be additionally provided with a middle ring, the middle ring rotates in the circular groove, and friction between the compression spring and the compression block is reduced.

The utility model discloses the beneficial technological effect who possesses is: through the vertical plane on the vertical positioning block and the U-shaped positioning block, the second workpiece is clamped under the condition that the second workpiece is vertical to the working face of the working frame, the perpendicularity of the first workpiece and the second workpiece can be controlled to be qualified, and then welding operation is carried out.

Drawings

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

fig. 2 is a schematic side view of the present invention;

fig. 3 is a schematic structural diagram of the first positioning device of the present invention.

Reference numerals are as follows: 1-a working frame, 2-a vertical positioning block, 3-a support, 4-a U-shaped positioning block, 5-a push rod, 6-a connecting rod, 7-a pushing holding rod, 8-a pressing device, 9-a rotating threaded rod, 10-a pressing spring, 11-a pressing block, 12-a first workpiece and 13-a second workpiece.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

Referring to fig. 1-3, the sill bracket welding fixture comprises a working frame 1, a first positioning device and a second positioning device, wherein the first positioning device comprises a vertical positioning block 2 and a threaded compression bar, the vertical positioning block 2 is fixedly connected to the working frame 1, a first vertical surface which is perpendicular to the working surface of the working frame 1 and used for positioning a second workpiece 13 is arranged on the vertical positioning block 2, the threaded compression bar is in threaded connection with the vertical positioning block 2 in the direction perpendicular to the working surface of the working frame 1 and used for compressing the lower surface of the threaded compression bar of the first workpiece 12 to be matched with the working surface of the working frame 1 in position, the second positioning device comprises a support 3, a pushing device and a U-shaped positioning block 4, one end of the pushing device is in sliding connection with the support 3 in the horizontal direction, the other end of the pushing device is fixedly connected with the U-shaped positioning block 4, the side face of one end of the U-shaped positioning block 4 is a second vertical surface which is perpendicular to the working surface of the working frame 1 and used for positioning the second workpiece 13, and the lower surface of one end of the U-shaped positioning block 4 is a horizontal positioning surface used for positioning the first workpiece 12.

Pusher includes push rod 5, connecting rod 6 and propelling movement holding rod 7, and push rod 5 is on the horizontal direction with 3 sliding connection of support, 5 one end of push rod and 4 fixed connection of U type locating piece, and the 5 other ends of push rod are articulated with 6 one end of connecting rod, and the 6 other ends of connecting rod are articulated with the propelling movement pole, and 7 one ends of propelling movement holding rod are articulated with support 3.

The first positioning devices are arranged in parallel on the working surface of the working frame 1. The second positioning devices are arranged on the working frame 1 in parallel. The first positioning devices and the second positioning devices are arranged in a one-to-one correspondence manner. The working frame 1 is also provided with a pressing device 8 in a staggered way. The pressing device 8 can assist in clamping the workpiece, and when the length of the workpiece is too long, the workpiece to be installed and positioned needs to be pressed by the pressing device 8.

The screw thread depression bar includes rotation threaded rod 9, pressure spring 10 and compact heap 11, rotation threaded rod 9 on 1 working face direction of perpendicular to work frame with 2 threaded connection of vertical locating piece, pressure spring 10 one end is connected with rotation threaded rod 9 lower extreme, the pressure spring 10 other end and compact heap 11 upper surface contact, compact heap 11 on 1 working face direction of perpendicular to work frame with 2 sliding connection of vertical locating piece, a compact heap 11 lower surface and the 1 working face position cooperation of work frame for compressing tightly first work piece 12. And a circular groove matched with the other end of the compression spring 10 is formed in the upper surface of the compression block 11. The other end of the compression spring 10 can be additionally provided with a middle ring, the middle ring rotates in the circular groove, and friction between the compression spring 10 and the compression block 11 is reduced.

When the L-shaped workpiece pressing device is used, the longer part of the L-shaped first workpiece 12 is placed on the working surface of the workbench, the L-shaped first workpiece is enabled to be attached to the working surface to be horizontal, then the pressing block 11 is pressed on the upper surface of the first workpiece 12 through rotating the threaded rod 9, and the first workpiece 12 is fixed on the working surface of the workbench. The longer part of the second work piece 13 is then attached to the vertical surface, with the second work piece 13 being perpendicular to the first work piece 12. At this time, the pushing holding rod 7 is rotated, and the U-shaped positioning block 4 is used for pressing the second workpiece 13 on the vertical surface to complete the fixation. The first workpiece 12 may be pressed using the pressing device 8 as needed. And then, after the verticality of the first workpiece 12 and the second workpiece 13 is tested to be qualified, starting welding operation. The perpendicularity of different positions needs to be tested repeatedly in the welding process to ensure the quality of finished products.

And controlling the verticality of the first workpiece 12 and the second workpiece 13 to be qualified through a vertical surface on the vertical positioning block 2, and then performing welding operation. Through the linkage of connecting rod 6, push rod, can be with the assigned position on the second work piece 13 of U type locating piece 4 propelling movement, make U type locating piece 4 and perpendicular press from both sides tightly second work piece 13 with the straightness that hangs down of guaranteeing second work piece 13. The lower surface of the rotary threaded rod 9 is replaced by the lower surface of the pressing block 11, so that the levelness of the lower surface of the pressing block is guaranteed not to be influenced by rotation.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection not only limits in above-mentioned embodiment, and the fan belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a sill scaffold weldment frock which characterized in that: including work frame, first positioner and second positioner, first positioner include vertical locating piece and screw thread depression bar, vertical locating piece fixed connection on the work frame, the vertical locating piece on be provided with the first perpendicular of being used for fixing a position the second work piece of perpendicular to work frame working face, the screw thread depression bar on perpendicular to work frame working face direction with vertical locating piece threaded connection, be used for compressing tightly first work piece screw thread depression bar lower surface with work frame working face position cooperation, second positioner include support, pusher and U type locating piece, pusher one end in the horizontal direction with support sliding connection, the pusher other end and U type locating piece fixed connection, U type locating piece one end side be the second perpendicular of the second work piece that is used for the location of perpendicular to work frame working face, U type locating piece one end lower surface be the horizontal location face that is used for fixing a position first work piece levelness.

2. The sill bracket welding frock of claim 1, characterized in that: the pushing device comprises a push rod, a connecting rod and a pushing holding rod, the push rod is connected with the support in a sliding mode in the horizontal direction, one end of the push rod is fixedly connected with the U-shaped positioning block, the other end of the push rod is hinged to one end of the connecting rod, the other end of the connecting rod is hinged to the push rod, and one end of the pushing holding rod is hinged to the support.

3. The sill bracket welding frock of claim 2, characterized in that: the first positioning devices are arranged on the working surface of the working frame in parallel.

4. The sill bracket welding frock of claim 3, characterized in that: the second positioning devices are arranged on the working frame in parallel.

5. The sill bracket welding frock of claim 4, characterized in that: the first positioning devices and the second positioning devices are arranged in a one-to-one correspondence mode.

6. The sill bracket welding tool according to any one of claims 1 to 5, characterized in that: the working frame is also provided with pressing devices in a staggered manner.

7. The sill bracket welding frock of claim 1, characterized in that: the screw thread depression bar include rotation threaded rod, pressure spring and compact heap, the rotation threaded rod on perpendicular to work frame working face direction with vertical positioning piece threaded connection, pressure spring one end with rotation threaded rod lower extreme connect, the pressure spring other end with compact heap upper surface contact, the compact heap on perpendicular to work frame working face direction with vertical positioning piece sliding connection for compress tightly first work piece the compact heap lower surface with the work frame working face position cooperation.

8. The sill bracket welding fixture of claim 7, characterized in that a circular groove matched with the other end of the compression spring is arranged on the upper surface of the compression block.