CN212470363U

CN212470363U - Welding pressure head

Info

Publication number: CN212470363U
Application number: CN202020954665.7U
Authority: CN
Inventors: 车纯胜; 刘永水; 房信强
Original assignee: Shandong Hengtong Machinery Technology Co ltd; Shandong Hanye Machinery Co ltd
Current assignee: Shandong Hengtong Machinery Technology Co ltd; Shandong Hanye Machinery Co ltd
Priority date: 2020-05-30
Filing date: 2020-05-30
Publication date: 2021-02-05
Anticipated expiration: 2030-05-30

Abstract

A welding pressure head belongs to the technical field of column cap welding equipment. The method is characterized in that: the pressure head comprises a pressure head main body (21), wherein a hook positioning groove (24) used for positioning a hook (18) is formed in the bottom of the pressure head main body (21), and a hook fixing part used for positioning the hook (18) is arranged on one side of the hook positioning groove (24). In this welding pressure head's couple upper portion entered into the couple constant head tank, the couple constant head tank was fixed a position the couple, and the couple constant head tank is stretched out at the both ends of couple to make things convenient for the both ends and the column cap welding of couple, the couple fixed part is fixed the couple in the couple constant head tank, thereby plays the effect to the couple, and then has realized providing the condition for the automatic weld of couple and column cap, conveniently realizes the automatic continuous weld of column cap and couple, welding quality is stable, and welding efficiency is high.

Description

Welding pressure head

Technical Field

A welding pressure head belongs to the technical field of column cap welding equipment.

Background

When the single hydraulic prop is produced, the hook needs to be welded on the prop head, the hook is difficult to position due to the arc shape protruding from the middle position of the hook, the existing automatic welding machine cannot meet the positioning and welding of the hook and the prop head, the vast majority of the existing prop head is carried out in a manual welding mode, the welding efficiency of the prop head and the hook is low, the welding quality is greatly influenced by the skill level of workers, and the welding quality is very unstable.

Disclosure of Invention

The to-be-solved technical problem of the utility model is: overcome prior art's not enough, provide one kind and can fix a position the couple, can also fasten the couple, make things convenient for couple and column cap welded welding pressure head.

The utility model provides a technical scheme that its technical problem adopted is: this welding pressure head, its characterized in that: including the pressure head main part, the bottom of pressure head main part is provided with the couple constant head tank that is used for fixing a position the couple, and one side of couple constant head tank is provided with the couple fixed part that is used for fixing a position the couple.

Preferably, the bottom of the hook positioning groove is provided with a magnet to form the hook fixing part.

Preferably, the pressure head main part be vertical setting cylindric, the couple constant head tank sets up on the terminal surface of pressure head main part bottom.

Preferably, the hook positioning groove is arranged along the diameter direction of the pressure head main body.

Preferably, the pressure head main part the downside be provided with the couple fixed block, the couple fixed block interval is provided with two, forms the couple constant head tank.

Preferably, the bottom end of the pressure head main body is provided with a blind hole, and the hook fixing block is arranged in the blind hole.

Preferably, the two sides of the bottom of the pressure head main body are provided with openings matched with the hook positioning grooves.

Preferably, the hook fixing block is in a semi-cylindrical shape with a convex middle part, and the upper part of the hook fixing block is in a conical shape with the diameter gradually reduced from bottom to top.

Compared with the prior art, the utility model discloses the beneficial effect who has is:

1. in this welding pressure head's couple upper portion entered into the couple constant head tank, the couple constant head tank was fixed a position the couple, and the couple constant head tank is stretched out at the both ends of couple to make things convenient for the both ends and the column cap welding of couple, the couple fixed part is fixed the couple in the couple constant head tank, thereby plays the effect to the couple, and then has realized providing the condition for the automatic weld of couple and column cap, conveniently realizes the automatic continuous weld of column cap and couple, welding quality is stable, and welding efficiency is high.

2. The hook is fixed through the magnet, so that the hook is convenient to fix and contact and fix.

3. The pressure head main part is cylindric, and the lower extreme of pressure head main part can stretch into in the column cap, has made things convenient for the welding of couple with the column cap.

4. The couple constant head tank sets up along the diameter direction of pressure head main part, can guarantee during the welding machine that the couple sets up along the radial of column cap.

5. The couple fixed block interval of both sides sets up, forms the couple constant head tank, can adjust the width of couple constant head tank through the mode of changing the couple fixed block to the welding of couple and the column cap of adaptation different models.

6. The hook fixing block is arranged in the blind hole, so that the hook fixing block is convenient to position and fix.

7. The bottom both sides of pressure head main part are provided with and get in touch constant head tank matched with opening, and the both ends of couple are stretched out through the opening that corresponds the side respectively, avoid the pressure head main part to cause the hindrance to the welding of couple.

8. The hook fixing block is conical, so that the hook fixing block is convenient to mount.

Drawings

FIG. 1 is a front cross-sectional view of a weld ram.

Fig. 2 is a front view schematically showing the welding apparatus.

Fig. 3 is a left side view of the welding apparatus.

Fig. 4 is an enlarged view of a portion a in fig. 3.

In the figure: 1. the device comprises a rack 2, a welding cylinder 3, a lifting frame 4, a welding pressure head 5, a hook feeding device 6, a workpiece 7, a workpiece clamping plate 8, a workpiece pushing cylinder 9, a clamping cylinder 10, a positioning block 11, a welding frame 12, a translation frame 13, a hook feeding cylinder 14, a bin translation cylinder 15, a bin guide rod 16, a bin compression spring 17, a bin pressure plate 18, a hook 19, a bin baffle 20, a feeding part 21, a pressure head main body 22, a hook fixing block 23, a magnet 24 and a hook positioning groove.

Detailed Description

Fig. 1 to 4 are preferred embodiments of the present invention, and the present invention will be further explained with reference to fig. 1 to 4.

The utility model provides a welding pressure head, includes pressure head main part 21, and pressure head main part 21's bottom is provided with the couple constant head tank 24 that is used for 18 location to the couple, and one side of couple constant head tank 24 is provided with the couple fixed part that is used for 18 location to the couple. In 18 upper portions of couple of this welding pressure head entered into couple constant head tank 24, couple constant head tank 24 fixes a position couple 18, couple constant head tank 24 is stretched out at 18 both ends of couple, thereby make things convenient for the both ends and the column cap welding of couple 18, the couple fixed part is fixed couple 18 in couple constant head tank 24, thereby play an effect to couple 18, and then realized providing the condition for the automatic weld of couple 18 with the column cap, conveniently realize the automatic continuous welding of column cap and couple 18, the welding quality is stable, and welding efficiency is high.

The present invention is further described with reference to specific embodiments, however, it will be understood by those skilled in the art that the detailed description given herein with respect to the drawings is for better explanation and that the present invention is necessarily to be construed as limited to those embodiments, and equivalents or common means thereof will not be described in detail but will fall within the scope of the present application.

Specifically, the method comprises the following steps: as shown in fig. 1: the lower extreme of pressure head main part 21 is provided with the blind hole coaxially, and couple fixed block 22 sets up in the blind hole, and couple fixed block 22 has two that parallel and interval set up to form couple constant head tank 24 between two couple fixed blocks 22. A magnet 23 is arranged in the blind hole at the upper side of the hook fixing block 22 to form a hook fixing part, so that the hook 18 is fixed. The diameter of pressure head main part 21 is less than the internal diameter of column cap upper end, and the blind hole both sides all are provided with the opening with couple constant head tank 24 matched with, and the both ends of couple 18 are stretched out through the opening of pressure head main part 21 both sides to make things convenient for the welding of couple 18 and column cap.

The lower part of the blind hole is a cylinder, and the upper part of the blind hole is a cone with the diameter gradually reduced from bottom to top. The hook fixing block 22 is in a semi-cylindrical shape, the lower portion of the hook fixing block 22 is in a cylindrical shape, and the upper portion of the hook fixing block 22 is in a tapered shape with the diameter gradually decreasing from bottom to top, so that the hook fixing block 22 is convenient to mount.

As shown in FIGS. 2 to 3: the utility model also provides a welding set, including welding pressure head 4 and work piece holder, welding pressure head 4 is just to setting up with work piece holder, is provided with on the welding pressure head 4 to be used for getting in touch constant head tank 24, and get in touch constant head tank 24 sets up towards work piece holder, and one side of getting in touch constant head tank 24 is provided with the couple fixed part, and welding pressure head 4 is connected with and promotes its power device to being close to or keeping away from work piece holder direction reciprocating motion. This welding set's work piece holder can fix a position the column cap and press from both sides tightly, and couple constant head tank 24 can fix a position the couple, has made things convenient for the material loading of couple 18, and the couple fixed part can fix the couple 18 that the location is good in couple constant head tank 24, and power device promotes the motion of welding pressure head 4 to accomplish the welding between column cap and the couple 18, realized automatic welding, welding quality does not receive operating personnel's influence, and welding quality is stable.

This welding set still includes work piece translation device, couple loading attachment 5 and frame 1, and power device installs at the top of frame 1, and welding pressure head 4 installs the downside at power device, and welding pressure head 4 links to each other with power device to follow the vertical lift of power device. The work piece holder sets up under welding pressure head 4, and the work piece holder is installed on work piece translation device, and work piece translation device drives work piece holder along the direction horizontal migration that is close to or keeps away from welding pressure head 4, the adjustment of 6 positions of work piece, and in this embodiment, work piece 6 is the column cap. The column cap is cylindrical. The middle part of the hook 18 is in the shape of an upward convex arc, and the hook 18 is formed by bending a round steel bar.

The power device is welding cylinder 2 of vertical setting, and 2 vertical settings of welding cylinder, the piston rod of welding cylinder 2 set up down, install crane 3 on welding cylinder 2's the piston rod, and welding pressure head 4 sets up at 3 downside of crane, and welding pressure head 4's upper portion links to each other with crane 3 to go up and down along with crane 3 synchronization.

The workpiece translation device comprises a workpiece pushing cylinder 8 and a welding frame 11, a welding frame guide rail is arranged on the rack 1, the welding frame guide rail is horizontally arranged, the welding frame 11 is arranged on the lower side of the welding pressure head 4, the welding frame 11 is slidably arranged on the welding frame guide rail, the workpiece pushing cylinder 8 is horizontally arranged on the rack 1, a piston rod of the workpiece pushing cylinder 8 is connected with the welding frame 11 and pushes the welding frame 11 to translate, and a workpiece clamping jaw is arranged on the upper side of the welding frame 11. The workpiece translation device can push the workpiece clamping jaw to move, so that the workpiece 6 can be taken down from the workpiece clamping jaw conveniently, a new workpiece 6 is placed on the workpiece clamping jaw, and the hook 18 is convenient to feed.

The work piece clamping jaw includes die clamping cylinder 9 and work piece splint 7, the vertical setting of work piece splint 7, work piece splint 7 have two of parallel and interval setting, work piece splint 7 slidable mounting is on weld holder 11, die clamping cylinder 9 installs on weld holder 11, die clamping cylinder 9 links to each other with two work piece splint 7 to promote two work piece splint 7 to remove to opposite direction in step, thereby realized the clamp of work piece 6, can also realize the centering of work piece 6.

The upper end of each workpiece clamping plate 7 is provided with a positioning block 10, the positioning blocks 10 are arranged between the two workpiece clamping plates 7, the positioning blocks 10 are arc-shaped grooves with concave middle parts, and the grooves of the two positioning blocks 10 surround a circular clamping part, so that clamping of the workpiece 6 can be realized, positioning of the workpiece 6 can be realized, and the workpiece 6 is guaranteed to be aligned with a hook on the welding pressure head 4. The positioning block 10 is made of a conductive material, in the embodiment, the positioning block 10 is made of copper, and the positioning block 10 and the welding pressure head 4 are respectively connected with two poles of a power supply, so that the column head and the hook 18 are welded.

As shown in fig. 4: couple loading attachment 5 includes couple feed bin and pusher, and the couple feed bin setting is between welding pressure head 4 and pusher, and one side of couple feed bin is provided with and is used for compressing tightly the couple in the portion that compresses tightly that is close to pusher one side. Pusher pushes away couple 18 to couple constant head tank 24 in, has realized automatic feeding, and the portion that compresses tightly couple 18 all the time in the couple feed bin one side that is close to pusher to 18's the last material loading of couple has been realized.

Couple loading attachment 5 still includes feed bin translation device, and feed bin translation device installs in frame 1, and the couple feed bin is installed on feed bin translation device to along with feed bin translation device horizontal migration, feed bin translation device sets up with work piece translation device's direction of movement is perpendicular. Pusher installs on feed bin translation device, and the couple feed bin setting is between welding pressure head 4 and pusher, and pusher is used for pushing away 18 couples in the couple feed bin to welding pressure head 4 one by one.

The bin translation device comprises a bin translation cylinder 14 and a translation frame 12, a bin translation guide rail is installed on the rack 1, the bin translation guide rail is horizontally arranged, the translation frame 12 is slidably installed on the bin translation guide rail, the bin translation cylinder 14 is installed on the rack 1, and a piston rod of the bin translation cylinder 14 is connected with the translation frame 12 and pushes the translation frame to translate.

12 upsides of translation frame are provided with feed bin clamp plate 17 and feed bin baffle 19, the equal vertical setting of feed bin baffle 19 and feed bin clamp plate 17, feed bin baffle 19 sets up in one side that translation frame 12 is close to welding pressure head 4, feed bin clamp plate 17 slides and sets up on translation frame 12, feed bin clamp plate 17 is just to setting up with feed bin baffle 19, the both sides of feed bin baffle 19 are provided with the pin, thereby form the couple feed bin, the pin sets up with the 12 intervals of translation frame, the both ends setting of couple 18 is at the pin downside, and lead to couple 18 through the pin. Be provided with feed bin pressure spring 16 on translation frame 12, feed bin pressure spring 16 is in compression state, and feed bin pressure spring 16 one end supports on translation frame 12, and the other end promotes feed bin clamp plate 17 to the direction removal that is close to feed bin baffle 19 to make couple 18 compress tightly feed bin baffle 19 all the time, made things convenient for couple 18 to last the feed.

One side that feed bin baffle 19 was kept away from to feed bin clamp plate 17 is provided with feed

bin guide bar

15, 15 one end of feed bin guide bar and feed bin clamp plate 17 fixed connection to along with feed bin clamp plate 17 synchronous movement, the other end and translation frame 12 sliding connection, 16 covers of feed bin hold-down spring establish outside feed bin guide bar 15, thereby can avoid the crooked removal that influences its promotion feed bin clamp plate 17 of feed bin hold-down spring 16.

Push mechanism includes couple material loading cylinder 13 and material loading spare 20, and couple material loading cylinder 13 is vertical to be installed on translation frame 12, and the piston rod of couple material loading cylinder 13 sets up, and material loading spare 20 is installed on the piston rod of couple material loading cylinder 13 to along with the synchronous lift of piston rod, the thickness of material loading spare 20 equals or is less than the diameter of the reinforcing bar of couple 18, thereby can push away couple 18 to couple constant head tank 24 one by one.

The working method of the welding device comprises the following steps: at first place couple 18 in the couple feed bin, feed bin pressure spring 16 promotes feed bin clamp plate 17 and compresses tightly couple 18 on feed bin baffle 19, then feed bin translation cylinder 14 promotes translation frame 12 and removes, and make material loading 20 be located couple constant head tank 24 under, 13 rebound of feed bin cylinder on the couple this moment, and will be close to 18 upshifts of couple on one side of feed bin clamp plate 17 through material loading 20, and make it enter into couple constant head tank 24, accomplish the material loading of couple 18, couple material loading cylinder 13 resets this moment, feed bin pressure spring 16 promotes couple 18 through feed bin clamp plate 17 and compresses tightly on feed bin baffle 19 once more, feed bin translation cylinder 14 resets.

The workpiece 6 is placed on the welding frame 11, the clamping cylinder 9 pushes the two workpiece clamping plates 7 to synchronously move inwards, the workpiece 6 is positioned and clamped, then the workpiece pushing cylinder 8 pushes the welding frame 11 to move to the lower side of the welding pressure head 4, and the hook 18 on the welding pressure head 4 is aligned with the workpiece 6 on the welding frame 11.

The welding cylinder 2 pushes the welding pressure head 4 to move downwards, the hook 18 is made to contact with the workpiece 6, after welding is completed, the welding cylinder 2 drives the welding pressure head 4 to move upwards, the hook 18 is separated from the suction force of the magnet 23, and welding of the workpiece 6 and the hook 18 is completed.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention. However, any simple modification, equivalent change and modification made to the above embodiments according to the technical substance of the present invention still belong to the protection scope of the technical solution of the present invention.

Claims

1. A welding ram, comprising: the pressure head comprises a pressure head main body (21), wherein a hook positioning groove (24) used for positioning a hook (18) is formed in the bottom of the pressure head main body (21), and a hook fixing part used for positioning the hook (18) is arranged on one side of the hook positioning groove (24).

2. The welding head of claim 1, wherein: and a magnet (23) is arranged at the bottom of the hook positioning groove (24) to form the hook fixing part.

3. The welding head of claim 1, wherein: pressure head main part (21) be the cylindric of vertical setting, couple constant head tank (24) set up on the terminal surface of pressure head main part (21) bottom.

4. The welding head of claim 3, wherein: and the hook positioning groove (24) is arranged along the diameter direction of the pressure head main body (21).

5. The welding head of claim 1, wherein: the pressure head main part (21) downside be provided with couple fixed block (22), couple fixed block (22) interval is provided with two, forms couple constant head tank (24).

6. The welding head of claim 5, wherein: the pressure head main part (21) bottom be provided with the blind hole, couple fixed block (22) set up in the blind hole.

7. The welding head of claim 6, wherein: the two sides of the bottom of the pressure head main body (21) are provided with openings matched with the hook positioning grooves (24).

8. The welding head of claim 5, wherein: the hook fixing block (22) is in a semi-cylindrical shape with a convex middle part, and the upper part of the hook fixing block (22) is in a conical shape with the diameter gradually reduced from bottom to top.