CN213318273U

CN213318273U - Welding head for fixed heating body of spot welding machine

Info

Publication number: CN213318273U
Application number: CN202022302381.2U
Authority: CN
Inventors: 吴锡兵
Original assignee: Ji'an Binzai Forging Machinery Co ltd
Current assignee: Ji'an Binzai Forging Machinery Co ltd
Priority date: 2020-10-16
Filing date: 2020-10-16
Publication date: 2021-06-01
Anticipated expiration: 2030-10-16

Abstract

The utility model discloses a spot welder fixed heating element welding head, including base, welding energy supply mechanism, fixing base and soldered connection, top one side fixed mounting of base has the welding energy supply mechanism, the top intermediate position department welded connection of base has the fixing base, and the inside of fixing base is rotated through the pivot symmetry and is installed two sets of soldered connections, and the outside cover of soldered connection is equipped with the movable sleeve, and one side welded connection of movable sleeve has the connecting block, threaded groove has been seted up to inside one side of connecting block, and the internal thread connection of threaded groove has the screw rod, one side of screw rod is rotated through the bearing and is installed the extrusion piece, one side welded connection of connecting block has the depression bar; the device avoids the problem of poor adaptability of the traditional fixed handheld handle through the mutual matching of the movable sleeve, the bearing, the connecting block, the thread groove, the extrusion block and the pressure rod, thereby improving the usability of the device.

Description

Welding head for fixed heating body of spot welding machine

Technical Field

The utility model belongs to the technical field of the welding machine, especially, relate to a fixed heat-generating body bonding tool of spot welder.

Background

The spot welding machine is a welding mechanism adopting a double-sided double-point overcurrent welding principle, when the spot welding machine works, two electrodes pressurize workpieces to enable two layers of metal to form certain contact resistance under the pressure of the two electrodes, and welding current flows from one electrode to the other electrode to form instant heat welding at two contact resistance points, so that the spot welding machine has the characteristics of high welding efficiency and strong welding firmness.

Two sets of joints of current small-size spot welder generally adopt manual contact and pedal contact dual mode to touch work, but the mode of current manual contact adopts the handheld handle of fixed setting more, when welding some great work pieces of size, user's health often is difficult to be close to handle department under the hindrance of work piece to make the user be difficult to fine grip the handle, increased the processing degree of difficulty of work piece, we have proposed a spot welder fixed heat-generating body bonding tool for this reason.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a fixed heat-generating body bonding tool of spot welder has avoided the relatively poor problem of adaptability that traditional fixed handheld handle exists to the ease for use of device has been improved.

In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides a fixed heat-generating body bonding tool of spot welder, includes base, welding energy supply mechanism, fixing base and soldered connection, top one side fixed mounting of base has welding energy supply mechanism, the top intermediate position department welded connection of base has the fixing base, and the inside of fixing base rotates through the pivot symmetry and installs two sets of soldered connections, upper end the outside cover of soldered connection is equipped with the movable sleeve, and one side welded connection of movable sleeve has the connecting block, the thread groove has been seted up to inside one side of connecting block, and the inside threaded connection of thread groove has the screw rod, one side of screw rod is rotated through the bearing and is installed the extrusion piece, one side welded connection of connecting block has the depression.

As a preferred technical scheme of the utility model, the top opposite side symmetric welding of base has two sets of spacing seats, and the movable groove has all been seted up to the inside of two sets of spacing seats, and is two sets of the inside in movable groove all overlaps and is equipped with movable rod and spring, and is two sets of fixedly connected with places the board between the top of movable rod.

As a preferred technical scheme of the utility model, the extrusion piece becomes the arc design towards one side of soldered connection, and the radian of extrusion piece is the same with the radian of soldered connection.

As an optimal technical scheme of the utility model, it is two sets of the length of depression bar is greater than the length of soldered connection, and the outside cover of one end of depression bar is equipped with rubber cushion.

As the utility model discloses a preferred technical scheme, place the intermediate position department of board and seted up the through-hole, and the one end outside at the soldered connection is established to the through-hole cover.

As a preferred technical scheme of the utility model, the internal diameter of movable rod equals the internal diameter in activity groove, and the movable rod passes through the inner wall elastic connection in spring and activity groove.

As an optimal technical scheme of the utility model, the level on the top of placing the board is greater than the top level of lower extreme soldered connection.

Compared with the prior art, the utility model discloses the beneficial effect that can reach is:

1. the device is characterized in that the movable sleeve, the bearing, the connecting block, the thread groove, the extrusion block and the pressure rod are matched with each other, when the device is used, the screw rod is rotated firstly to enable the screw rod to move in a single direction under the action of thread connection with the thread groove, the screw rod drives the extrusion block to move in a single direction in the moving process, the extrusion block removes the conflict limiting effect with the welding head in the moving process, the connecting block is pulled by the pressure rod to enable the movable sleeve to slide along the welding head, when the using length of the pressure rod meets the using requirement, the screw rod can be rotated reversely to enable the screw rod to play the pushing effect on the extrusion block again, so that the movable sleeve keeps the position of the movable sleeve under the limiting effect of the extrusion block to be fixed, the problem that the traditional fixed type hand-held handle is poor in;

2. meanwhile, the device is matched with the spring through the limiting seat, the movable groove, the movable rod, the placing plate and the spring, when the device is used, a workpiece is placed on the top end surface of the placing plate, the upper end welding head pushes the workpiece downwards under the matching of the pressing rod and the movable sleeve, the spring deforms under the pushing of the movable rod to store force, the workpiece drives the placing plate to vertically move downwards under the pushing of the welding head, when the bottom end of the workpiece is in contact with the lower end welding head and after welding is completed, the placing plate stops moving downwards, the upper end welding head is contacted with the workpiece to press the workpiece, the spring recovers to an initial form, under the action of elastic force of the spring, the movable rod and the placing plate push the workpiece again to enable the workpiece to be removed from the contact state with the lower end welding head, and therefore the problems that a handheld connection mode exists, labor.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

fig. 2 is a schematic top view of the cross-sectional structure of the present invention;

fig. 3 is a schematic side view of the cross-sectional structure of the present invention;

fig. 4 is an enlarged schematic structural view of a point a in fig. 2 according to the present invention;

fig. 5 is an enlarged schematic structural diagram of the position B in fig. 3 according to the present invention.

Wherein: 1. a base; 2. welding an energy supply mechanism; 3. a fixed seat; 4. welding a head; 5. a movable sleeve; 6. a bearing; 7. connecting blocks; 8. a thread groove; 9. extruding the block; 10. a screw; 11. a pressure lever; 12. a limiting seat; 13. a movable groove; 14. a movable rod; 15. placing the plate; 16. a spring.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the invention easy to understand, the invention is further explained below with reference to the specific embodiments, but the following embodiments are only the preferred embodiments of the invention, not all. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.

Example (b):

the spot welding machine fixed heating body welding head shown in fig. 1-5 comprises a base 1, a welding energy supply mechanism 2, a fixed seat 3 and a welding head 4, wherein the welding energy supply mechanism 2 is fixedly installed on one side of the top end of the base 1, the fixed seat 3 is welded and connected to the middle position of the top end of the base 1, two groups of welding heads 4 are symmetrically and rotatably installed inside the fixed seat 3 through a rotating shaft, a movable sleeve 5 is sleeved outside the upper end welding head 4, a connecting block 7 is welded and connected to one side of the movable sleeve 5, a thread groove 8 is formed in one side of the inside of the connecting block 7, a screw rod 10 is connected to the inside of the thread groove 8 in a threaded manner, an extrusion block 9 is rotatably installed on one side of the screw rod;

during the use, rotate screw rod 10 earlier and make screw rod 10 through the threaded connection effect unidirectional movement with thread groove 8, screw rod 10 drives extrusion piece 9 unidirectional movement at the removal in-process, extrusion piece 9 removes the spacing effect of contradicting with soldered connection 4 at the removal in-process, through depression bar 11 pulling connecting block 7 messenger connecting block 7 drive movable sleeve 5 along soldered connection 4 slip, when the length of use of depression bar 11 satisfied the user demand, reverse rotation screw rod 10 can make screw rod 10 play the pushing action to extrusion piece 9 again, thereby make movable sleeve 5 keep the fixed unchangeable of self position under the spacing effect of extrusion piece 9, the fixed relatively poor problem of adaptability that traditional handheld handle exists has been avoided, thereby the ease of use of device has been improved.

In other embodiments, two sets of limiting seats 12 are symmetrically welded on the other side of the top end of the base 1, movable grooves 13 are formed in the two sets of limiting seats 12, movable rods 14 and springs 16 are sleeved in the two sets of movable grooves 13, and a placing plate 15 is fixedly connected between the top ends of the two sets of movable rods 14;

the workpiece is placed on the top end surface of the placing plate 15, the upper end welding head 4 pushes the workpiece downwards under the matching of the pressing rod 11 and the movable sleeve 5, the spring 16 deforms to store force under the pushing of the movable rod 14, the workpiece drives the placing plate 15 to vertically move downwards under the pushing of the welding head 4, when the bottom end of the workpiece is in contact with the lower end welding head 4 and after welding is completed, the placing plate 15 stops moving downwards, the upper end welding head 4 is in contact with the workpiece and presses the workpiece, the spring 16 recovers to an initial form, under the action of elastic force of the spring 16, the movable rod 14 and the placing plate 15 push the workpiece again to enable the workpiece to be released from the contact state with the lower end welding head 4, and therefore the problems that a handheld connecting mode exists are solved, labor intensity is high, and operation accuracy is.

In other embodiments, the side of the extrusion block 9 facing the welding head 4 is designed into an arc shape, and the arc degree of the extrusion block 9 is the same as that of the welding head 4;

through the arc design of extrusion piece 9 one side, extrusion piece 9 can improve area of contact when contacting with soldered connection 4 to make extrusion piece 9 more stable to the fixed state of soldered connection 4.

In other embodiments, the lengths of the two groups of pressure levers 11 are greater than the length of the welding head 4, and a rubber cushion is sleeved outside one end of each pressure lever 11;

through this design, when driving soldered connection 4 through depression bar 11 and rotating, can make user's hand keep away from soldered connection 4 to reduce the phenomenon that the smog that operating personnel hand produced by the electric welding scalded, improved the safety in utilization of device.

In other embodiments, a through hole is opened at the middle position of the placing plate 15, and the through hole is sleeved outside one end of the welding head 4;

through the design of the through holes, the upper and lower welding heads 4 can clamp the workpiece, so that the normal welding of the device is ensured.

In other embodiments, the inner diameter of the movable rod 14 is equal to the inner diameter of the movable groove 13, and the movable rod 14 is elastically connected to the inner wall of the movable groove 13 by the spring 16;

through the design, the movable groove 13 can play a role in limiting the sliding path of the movable rod 14, so that the movable rod 14 can only move in the path limited by the movable groove 13, and the stability of the moving state of the movable rod 14 and the placing plate 15 is improved.

In other embodiments, the top end of the placing plate 15 has a level greater than that of the lower-end bonding head 4;

through the design, when the workpiece is placed at the top end of the placing plate 15, the placing plate 15 can play a role in supporting the workpiece, the traditional mode of holding the workpiece by hand is avoided, the workpiece surface is in direct contact with the lower end welding head 4, and the problem of scratching the workpiece surface is easily solved.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a fixed heat-generating body bonding tool of spot welder, includes base (1), welding energy supply mechanism (2), fixing base (3) and soldered connection (4), top one side fixed mounting of base (1) has welding energy supply mechanism (2), the top intermediate position department welded connection of base (1) has fixing base (3), and the inside of fixing base (3) rotates through the pivot symmetry and installs two sets of soldered connections (4), its characterized in that: the upper end the outside cover of soldered connection (4) is equipped with movable sleeve (5), and one side welded connection of movable sleeve (5) has connecting block (7), thread groove (8) have been seted up to inside one side of connecting block (7), and the inside threaded connection of thread groove (8) has screw rod (10), one side of screw rod (10) is rotated through bearing (6) and is installed extrusion piece (9), one side welded connection of connecting block (7) has depression bar (11).

2. The welding head of the spot welding machine for fixing the heating body according to claim 1, characterized in that: the welding of the top opposite side of base (1) has two sets of spacing seats (12), and movable groove (13) have all been seted up to the inside of two sets of spacing seats (12), and are two sets of the inside in movable groove (13) all is equipped with movable rod (14) and spring (16), and is two sets of fixedly connected with places board (15) between the top of movable rod (14).

3. The welding head of the spot welding machine for fixing the heating body according to claim 1, characterized in that: one side of the extrusion block (9) facing the welding head (4) is designed to be arc-shaped, and the radian of the extrusion block (9) is the same as that of the welding head (4).

4. The welding head of the spot welding machine for fixing the heating body according to claim 1, characterized in that: the lengths of the two groups of compression bars (11) are greater than that of the welding head (4), and a rubber soft pad is sleeved outside one end of each compression bar (11).

5. The welding head of the spot welding machine for fixing the heating body according to claim 2, characterized in that: a through hole is formed in the middle of the placing plate (15), and the through hole is sleeved outside one end of the welding head (4).

6. The welding head of the spot welding machine for fixing the heating body according to claim 2, characterized in that: the inner diameter of the movable rod (14) is equal to that of the movable groove (13), and the movable rod (14) is elastically connected with the inner wall of the movable groove (13) through a spring (16).

7. The welding head of the spot welding machine for fixing the heating body according to claim 2, characterized in that: the horizontal height of the top end of the placing plate (15) is greater than that of the top end of the lower end welding head (4).