CN218253025U - White automobile body spot welding solder joint demolishs instrument - Google Patents

Abstract

The utility model relates to a white car body spot welding spot removing tool, which comprises a hook, a pressure bar, a drilling gun and a rotary joint; the hook comprises a first rod piece and a second rod piece, one end of the first rod piece is connected with one end of the second rod piece through the rotary joint, the other end of the first rod piece is fixedly connected with one end of the pressure lever, and the other end of the second rod piece is connected with a metal plate of the vehicle body; the drill gun is arranged on the pressure rod and is positioned above the welding point to be dismantled. The utility model discloses the product can cooperate the brill rifle to use together, easy operation, and easy going up can effectually improve technician's work efficiency, reduces technician's tired sense simultaneously, improves the quality that the solder joint peeled off.

Description

White automobile body spot welding solder joint demolishs instrument

Technical Field

The utility model relates to a field is disassembled to the automobile body, especially relates to a white automobile body spot welding solder joint demolishs instrument.

Background

In the process of disassembling the body-in-white, a technician needs to destroy welding points under the condition of ensuring that a metal plate of the body is not deformed, so that the aim of separating the metal plate is fulfilled. On the premise of ensuring that the metal plate is not deformed, the most common method for damaging welding spots is as follows: plasma cutting destroys the welding spot, and an electric drill drills the stripping welding spot. However, the two methods have the following problems:

1) Plasma cutting destroys the solder joints: the plasma cutting equipment is complex and troublesome to operate, a large amount of toxic gas can be generated in the process of cutting a welding spot, and in addition, arc light can damage the skin of eyes and the body of a technician;

2) Drilling a stripping welding spot by an electric drill: the method is simple to operate compared with a method for breaking welding spots by plasma cutting, but the labor intensity of a technician is too high, the technician needs to concentrate the force of the whole body on a hand-held electric drill, the operation is relatively labor-consuming, if the hand-held electric drill encounters a high-strength steel plate or an ultrahigh-strength steel plate, the labor intensity required for disassembling is higher, and the efficiency of the electric drill for drilling and stripping the welding spots is very low.

SUMMERY OF THE UTILITY MODEL

For solving the problem that exists among the above-mentioned prior art, the utility model provides a white automobile body spot welding solder joint demolishment instrument, this solder joint demolishment instrument utilize lever principle, exert pressure to the drilling gun afterbody, replace pure manpower to exert pressure to the drilling gun to reduce technician's physical output, reduce technician's tired sense, improve the solder joint and get rid of speed, improve work efficiency, improve the quality that the solder joint peeled off.

The utility model discloses a concrete technical scheme as follows:

a spot welding spot removing tool for spot welding of a body-in-white vehicle comprises a hook, a pressure rod, a drilling gun and a rotary joint;

the hook comprises a first rod piece and a second rod piece, one end of the first rod piece is connected with one end of the second rod piece through the rotary joint, the other end of the first rod piece is fixedly connected with one end of the pressure lever, and the other end of the second rod piece is connected with a metal plate of the vehicle body; the drilling gun is arranged on the pressure rod and is positioned above the welding point to be dismantled.

Furthermore, the hook also comprises an adjusting rod; the first rod piece is connected with one end of the adjusting rod through the rotary joint, and the adjusting rod is connected with the second rod piece.

Furthermore, the adjusting rod is provided with a straight cavity, an opening of the straight cavity is located at the other end of the adjusting rod, one end of the second rod piece is inserted into the straight cavity from the opening of the straight cavity and is connected with the adjusting rod, and the length of the hook is adjusted by adjusting the insertion depth.

Furthermore, the adjusting rod is provided with m limiting holes which are uniformly distributed on the side wall of the straight cavity along the axial direction, m is larger than 1, n limiting blocks are uniformly distributed on the end part of the second rod piece along the axis, wherein n is not less than 1 and is smaller than m, the second rod piece is inserted into the straight cavity to the corresponding depth, and the limiting blocks are clamped into the limiting holes to enable the second rod piece to be connected with the adjusting rod.

Furthermore, the connection end of the first rod piece and the pressure lever is a first hook, and the first rod piece is connected with the pressure lever through the first hook; one end of the second rod piece is provided with a second hook which is bent in the same direction as the first hook, and the second hook is connected with the automobile body metal plate.

Furthermore, the hook also comprises a first mounting sleeve, a threaded rod is arranged at one end of the pressure rod, the first mounting sleeve is sleeved on the threaded rod, and the first mounting sleeve is fixed on the pressure rod through threaded connection between a pressure rod nut and the threaded rod; the first hook is welded and fixed on the outer side wall of the first mounting sleeve along the radial direction of the first mounting sleeve.

Further, two first installation sleeve overlaps in proper order and establishes on the threaded rod, two the couple passes through first crotch and two first installation sleeve meets respectively, and two the couple first crotch direction of buckling is relative.

Furthermore, the welding spot dismantling tool further comprises a drill gun fixing support, the drill gun is installed in the drill gun fixing support, and the drill gun fixing support is connected with the pressing rod.

Further, the drill gun fixing support comprises a mounting support, a fixing clamping plate, a second mounting sleeve and an auxiliary switch;

the mounting support is used for placing the drill gun; the fixed clamping plate is arranged above the mounting support and used for fixing the drilling gun; the second mounting sleeve is mounted above the mounting support and is used for being connected with the pressure lever; the auxiliary switch is installed on the installation support, the installation position of the auxiliary switch corresponds to the position of a drill gun switch of the drill gun, and the auxiliary switch is used for switching the drill gun.

Furthermore, a clamping groove is axially formed in the inner side of the second mounting sleeve, a clamping pin is arranged on the pressing rod, and the clamping pin is fixed in the clamping groove after the second mounting sleeve is sleeved on the pressing rod.

The utility model has the advantages that:

the utility model discloses utilize lever principle, exert pressure to the brill rifle afterbody through the depression bar, replace pure manpower to exert pressure to the brill rifle to reduce technician's physical output, reduce technician fatigue and feel, solved the problem that the technician used too hard when the brill rifle destroys the solder joint, reduced technician's rest frequency, improved the automobile body and disassembled efficiency. The utility model discloses at cutting solder joint in-process innoxious gas, no arc light has avoided the injury to the technician health, can thoroughly destroy the solder joint, improves the solder joint and peels off the quality.

Additionally, the utility model discloses instrument simple manufacture, convenient to use, the length and the angle of couple are all adjustable, and the different positions of adaptable automobile body panel beating are affiliated to, and fixed cardboard accessible joint structure is adjusted and is put with the joint of erection support, satisfies the use purpose of different specifications brill rifle, and the second installation sleeve passes through the draw-in groove with the depression bar to be connected with the bayonet lock, realizes the fixed of depression bar, and the dismouting is convenient, in addition, through the switch brill rifle that auxiliary switch can be convenient.

Drawings

FIG. 1 is an assembly schematic diagram of a white body spot welding spot dismantling tool of the present invention;

FIG. 2 is a schematic view of the hook structure of the present invention;

FIG. 3 is a schematic view of the adjusting lever of the present invention;

FIG. 4 is a schematic view of a second rod of the present invention;

FIG. 5 is a schematic view of the structure of the middle pressing rod of the present invention;

FIG. 6 is a schematic view of a drill gun fixing bracket according to the present invention;

fig. 7 is a schematic view of a second mounting sleeve according to the present invention;

fig. 8 is a schematic diagram of arrangement of bayonet locks on the middle pressure lever of the present invention;

FIG. 9 is an assembly view of the middle compression bar, the drill gun fixing bracket and the drill gun of the present invention;

FIG. 10 is a schematic view of the structure of the drill switch and the auxiliary switch when the drill of the present invention is turned off;

fig. 11 is the structure diagram of the drill switch and the auxiliary switch of the drill gun in the open state.

Wherein: 1-hook, 2-pressure bar, 3-drill gun fixing support, 4-drill gun, 5-first rod piece, 6-adjusting rod, 7-second rod piece, 8-first hook, 9-first mounting sleeve, 10-rotary joint, 11-second hook, 12-limiting hole, 13-limiting block, 14-pressure bar nut, 15-threaded rod, 16-mounting support, 17-clamping structure, 18-fixing clamping plate, 19-second mounting sleeve, 20-auxiliary switch, 21-clamping groove, 22-clamping pin and 23-drill gun switch.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present application, the present invention will be further described in detail with reference to the accompanying drawings and examples.

The terms of orientation such as up, down, left, right, front, and rear in the present specification are established based on the positional relationship shown in the drawings. The corresponding positional relationship may also vary depending on the drawings, and therefore, should not be construed as limiting the scope of protection.

The utility model discloses in, the broad sense should be understood to term "installation", "link to each other", "meet", "connect", "fixed", etc. for example, can be fixed connection, also can dismantle the connection, also can connect integratively, also can be mechanical connection, also can be the electricity and connect or can intercommunicate, also can be the lug connection, also can be indirectly through intermediate medium and connect, can be the inside UNICOM of two components and parts, also can be the interactive relation of two components and parts. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

This embodiment describes a white car body spot welding spot removing tool, which applies pressure to a drill gun by using the lever principle, so that the working efficiency of a technician can be effectively improved, the fatigue feeling of the technician is reduced, and the quality of spot peeling is improved.

As shown in figure 1, the welding spot dismantling tool comprises hooks 1, a pressure rod 2, a drilling gun fixing support 3 and a drilling gun 4, wherein one end of each of the two hooks 1 is fixed on two opposite sides of one end of the pressure rod 2, and the two hooks 1 are opposite in bending direction and used for hanging a metal plate of an automobile body. The pressure lever 2 is arranged on the drill gun fixing support 3, the drill gun fixing support 3 is used for fixing the drill gun 4, and when the drill gun 4 works, a technician presses the other end of the pressure lever 2 to control the drill gun 4 to break a welding point, so that the welding point is removed.

As shown in fig. 2, the hook 1 includes a first rod 5, an adjusting rod 6, a second rod 7, a first mounting sleeve 9, and a rotary joint 10.

5 one ends of first member bar are first crotch 8, first member bar 5 is fixed on first installation sleeve 9 lateral wall along the radial welded joint of first installation sleeve 9 through first crotch 8, the length direction of first member bar 5 is mutually perpendicular with first installation sleeve 9's axial, the mounting hole has in first installation sleeve 9, two first installation sleeve 9 loop through the mounting hole cover and establish at 2 tip of depression bar, and fixed through depression bar nut 14, two couple 1 meet respectively with two first installation sleeve 9 through first crotch 8. The other end of the first rod piece 5 is connected with one end of the adjusting rod 6 through the rotary joint 10, the rotary joint 10 can be a rotary bolt, after loosening, the adjusting rod 6 can rotate relative to the first rod piece 5, the included angle between the adjusting rod 6 and the first rod piece 5 is changed, the extending direction of the adjusting rod 6 is adjusted, and after adjustment, the rotary joint 10 is locked, so that the adjusting rod 6 and the first rod piece 5 can be fixedly connected.

The adjusting rod 6 is provided with a straight cavity, the opening of the straight cavity is positioned at the other end of the adjusting rod 6, the second rod piece 7 is inserted into the straight cavity from the opening of the straight cavity and is connected with the adjusting rod 6, and the hook 1 can adjust the whole length of the hook 1 according to the depth of the straight cavity into which the second rod piece 7 is inserted. As shown in fig. 3, m limiting holes 12 are uniformly distributed on the side wall of the straight cavity of the adjusting rod 6 along the axial direction, m is larger than 1, as shown in fig. 4, one end of the second rod 7 is a straight rod end, n limiting blocks 13 are uniformly distributed along the axis, wherein n is larger than or equal to 1 and is smaller than m, the second rod 7 is inserted into the straight cavity of the adjusting rod 6, the second rod 7 is rotated to enable the limiting blocks 13 to be clamped into the limiting holes 12, the length of the hook 1 is adjusted through clamping of different limiting holes 12 and the limiting blocks 13, the hook 1 with different lengths is matched with the rotary joint 10 for use, and the automobile body metal plate hanging and leaning at different positions can be adapted.

The other end of the second rod piece 7 is a hook end, a second hook 11 which is bent in the same direction as the first hook 8 is arranged, the second hook is used for hooking a metal plate of the automobile body, the effect of fixing and supporting can be achieved, the pressure of the pressure bar 2 can be applied conveniently, the first hook 8 and the second hook 11 which are bent in the same direction are arranged, the movement of the hook 1 in the welding spot detaching process is avoided, when the welding spot is not loosened between the first hook 8 and the first installation sleeve 9, the first installation sleeve 9 is tightly buckled by the first hook 8 under the tension effect of hooking the metal plate of the automobile body through the second hook 11, the time for closing the drilling gun 4 is provided for a technician, and the risk of unhooking is avoided.

In this embodiment, the pressing rod 2 is used for applying pressure to the drilling gun 4, one end of the pressing rod is provided with a threaded rod 15, the diameter of the threaded rod 15 is smaller than that of the pressing rod 2, as shown in fig. 5, the first mounting sleeve 9 is sleeved on the threaded rod 15, the pressing rod nut 14 is in threaded connection with the end portion of the threaded rod 15, the first mounting sleeve 9 is locked on the threaded rod 15, and the first mounting sleeve 9 is prevented from being separated from the threaded rod 15.

The drill gun fixing support 3 is used for fixing a drill gun 4 and is connected with the pressure lever 2. As shown in fig. 6, the drill gun fixing bracket 3 includes a mounting support 16, a clamping structure 17, a fixing clamp plate 18, a second mounting sleeve 19 and an auxiliary switch 20.

The mounting stand 16 is used for placing the drill gun 4 and comprises a front plate, a rear plate and a support plate. The front plate and the rear plate are identical in structure and are composed of a bottom plate, a first support plate and a second support plate, and the first support plate and the second support plate are respectively arranged on two sides of the top end of the bottom plate. The supporting plate is of an L-shaped structure, and the front plate is connected with the rear plate through the supporting plate below the first supporting plate.

The fixing clamping plate 18 is of a U-shaped structure, is downwards buckled on the mounting support 16, and is clamped with the first support plates of the front plate and the rear plate at two ends respectively through the clamping structure 17, so that the effect of fixing the drill gun 4 is achieved. The fixing clamping plate 18 is made of plastic, so that the weight is light, and the weight of the welding spot dismantling tool is favorably reduced. The clamping structure 17 includes, but is not limited to, a combination of clamping columns and positioning holes, for example, a plurality of rows of positioning holes are formed in the upper portion of the first support plate at intervals, clamping columns corresponding to the number of each row of positioning holes are symmetrically arranged on two sides of the fixing clamping plate 18, the convenience of installation can be guaranteed by adopting a clamping mode that the clamping columns are matched with the positioning holes, and the connection strength of the fixing clamping plate 18 and the installation support 17 can be guaranteed. The purpose of adapting to the drilling guns 4 with different specifications can be achieved by adjusting the clamping position of the fixed clamping plate 18 and the first supporting plate.

A second mounting sleeve 19 is fixedly welded above the second support plate of the front plate and the rear plate, and the pressure rod 2 is inserted and fixed in the second mounting sleeve 19. As shown in fig. 7, in this embodiment, the inner side of the second mounting sleeve 19 is provided with a clamping groove 21 along the axial direction, in order to ensure that the compression bar 2 is stably fixed in the second mounting sleeve 19, two clamping grooves 21 are symmetrically arranged in the second mounting sleeve 19, each clamping groove 21 is formed by a sliding groove and a limiting groove, the width of the limiting groove is greater than that of the sliding groove, the limiting groove of one clamping groove 21 is arranged below one end of the sliding groove, the limiting groove of the other clamping groove 21 is arranged above the other end of the sliding groove, that is, the two limiting grooves are respectively arranged at two ends of the second mounting sleeve 19.

The two opposite sides of the middle part of the pressure lever 2 are respectively provided with a bayonet 22, as shown in fig. 8, the length of the bayonet 22 is matched with that of the limiting groove, the bayonet 22 slides to the limiting groove along the sliding groove, the bayonet 22 is screwed into the limiting groove by rotating the pressure lever 2, and the pressure lever 2 is fixed in the second mounting sleeve 19. Still can set up multiunit bayonet lock 22 on the depression bar 2 of this embodiment on the lateral wall, multiunit bayonet lock 22 sets up different positions department on depression bar 2 respectively for adjust the fixed point of depression bar 2 and second installation sleeve 19, can make couple 1 catch on the automobile body panel beating of different positions, can adjust according to different fixed points again and demolish the required pressure size of solder joint.

The auxiliary switch 20 is composed of a rotating shaft and a switch member, two ends of the rotating shaft are respectively installed on the front plate and the bottom plate of the rear plate of the installation support 16, the switch member is fixed at the end part of the rotating shaft and is arranged outside the front plate, and the rotating shaft is driven to rotate by rotating the switch member. The installation height of the auxiliary switch 20 corresponds to that of the drill gun switch 23, a notch is formed in the position, opposite to the drill gun switch 23, of the rotating shaft, when the drill gun switch 23 is arranged in the notch, the drill gun 4 is in a closed state, the auxiliary switch 20 is rotated, and when the drill gun switch 23 is separated from the notch, the rotating shaft extrudes the drill gun switch 23 to start the drill gun 4.

The welding spot dismantling tool comprises the following use steps:

1. placing the drilling gun 4 on a supporting plate of the mounting support 16 and between the front plate and the rear plate, placing a drilling gun switch 23 in a gap of a rotating shaft of the auxiliary switch 20 and fixing the drilling gun through a fixing clamping plate 18;

2. the press rod 2 extends into the second mounting sleeve 19, when the press rod reaches the position of the bayonet 22, the bayonet 22 moves along the sliding groove until the position reaches a limit groove at a preset fixed point (determined according to the distance between the fixed point of the second hook 11 and the vehicle body metal plate and a welding point to be dismantled), and the press rod 2 is rotated to enable the bayonet 22 to be placed into the limit groove to fix the press rod 2;

3. the two first mounting sleeves 9 are sequentially sleeved on a threaded rod 15 of the pressure rod 2 and are locked and fixed with the threaded rod 15 through a pressure rod nut 14; the two hooks 1 are respectively welded and fixed on the outer sides of the two first mounting sleeves 9 through the first hooks 8, and the bending directions of the two second hooks 11 are opposite, so that the assembly of the welding spot dismantling tool is completed;

4. hooking the metal plate of the vehicle body through the second hook 11 of the hook 1, turning the auxiliary switch 20 to start the drilling gun 4, and pressing the other end (namely, the end without the hook 1) of the pressure lever 2 by a technician to control the drilling gun 4 to damage a welding spot so as to smoothly peel off the metal plate;

5. after the metal plate is stripped, the auxiliary switch 20 is rotated reversely to close the drilling gun 4, and the spot welding spot removing work is completed.

Compared with a single-use electric drill, the welding spot removing tool has the specific using effects as shown in table 1:

table 1 comparison table of effects of different methods for removing welding spots

Therefore, compared with the electric drill in the prior art for drilling and stripping the welding spot, the welding spot removing tool greatly improves the single-point stripping efficiency, greatly reduces the rest frequency of a technician, can easily and thoroughly damage the welding spot, achieves the aim of smoothly stripping the metal plate, and improves the vehicle body removing efficiency and the welding spot stripping quality.

While the principles of the invention have been described in detail in connection with the preferred embodiments thereof, it will be understood by those skilled in the art that the above-described embodiments are merely illustrative of exemplary implementations of the invention and are not limiting of the scope of the invention. The details in the embodiments do not constitute the limitations of the scope of the present invention, and any obvious changes such as equivalent transformation, simple replacement, etc. based on the technical solution of the present invention all fall within the protection scope of the present invention without departing from the spirit and scope of the present invention.

Claims (10)

1. A white car body spot welding spot removing tool is characterized by comprising a hook (1), a pressure lever (2), a drilling gun (4) and a rotary joint (10);

the hook (1) comprises a first rod piece (5) and a second rod piece (7), one end of the first rod piece (5) is connected with one end of the second rod piece (7) through the rotary joint (10), the other end of the first rod piece (5) is fixedly connected with one end of the pressing rod (2), and the other end of the second rod piece (7) is connected with a metal plate of a vehicle body; the drilling gun (4) is arranged on the pressure lever (2), and the drilling gun (4) is positioned above the welding point to be dismantled.

2. The spot weld spot-removing tool for body-in-white according to claim 1, wherein the hanger (1) further comprises an adjusting lever (6); the first rod piece (5) is connected with one end of the adjusting rod (6) through the rotary joint (10), and the adjusting rod (6) is connected with the second rod piece (7).

3. The white body spot welding spot removing tool is characterized in that the adjusting rod (6) is provided with a straight cavity, the opening of the straight cavity is positioned at the other end of the adjusting rod (6), one end of the second rod piece (7) is inserted into the straight cavity from the opening of the straight cavity to be connected with the adjusting rod (6), and the length of the hook (1) is adjusted by adjusting the insertion depth.

4. The white body spot welding spot dismantling tool according to claim 3, wherein m limiting holes (12) are uniformly distributed on the side wall of the straight cavity of the adjusting rod (6) along the axial direction, m is larger than 1, n limiting blocks (13) are uniformly distributed on the end portion of the second rod piece (7) along the axis, n is larger than or equal to 1 and smaller than m, the second rod piece (7) is inserted into the straight cavity to a corresponding depth, and the limiting blocks (13) are clamped into the corresponding limiting holes (12) to enable the second rod piece (7) to be connected with the adjusting rod (6).

5. The spot welding spot removing tool for white car bodies according to any one of claims 1 to 4, characterized in that the end of the first rod (5) connected with the pressure rod (2) is a first hook (8), and the first rod (5) is connected with the pressure rod (2) through the first hook (8); one end of the second rod piece (7) is provided with a second hook (11) which is bent in the same direction as the first hook (8), and the second hook (11) is connected with the metal plate of the vehicle body.

6. The white body spot welding spot dismantling tool according to claim 5, characterized in that the hook (1) further comprises a first mounting sleeve (9), a threaded rod (15) is arranged at one end of the pressure rod (2), the first mounting sleeve (9) is sleeved on the threaded rod (15), and the first mounting sleeve (9) is fixed on the pressure rod (2) through a pressure rod nut (14) in threaded connection with the threaded rod (15); the first hook (8) is welded and fixed on the outer side wall of the first mounting sleeve (9) along the radial direction of the first mounting sleeve (9).

7. The white body spot welding spot dismantling tool according to claim 6, wherein two first mounting sleeves (9) are sequentially sleeved on the threaded rod (15), two hooks (1) are respectively connected with the two first mounting sleeves (9) through the first hooks (8), and the bending directions of the first hooks (8) of the two hooks (1) are opposite.

8. The spot welding spot removing tool for spot welding of body-in-white according to claim 1, further comprising a drill gun fixing bracket (3), wherein the drill gun (4) is mounted in the drill gun fixing bracket (3), and the drill gun fixing bracket (3) is connected with the press rod (2).

9. The spot weld spot-welding removal tool for body-in-white according to claim 8, wherein the drill gun fixing bracket (3) comprises a mounting support (16), a fixing clamping plate (18), a second mounting sleeve (19) and an auxiliary switch (20);

the mounting support (16) is used for placing the drill gun (4); the fixing clamping plate (18) is arranged above the mounting support (16) and used for fixing the drilling gun (4); the second mounting sleeve (19) is mounted above the mounting support (16) and is used for being connected with the pressure lever (2); the auxiliary switch (20) is installed on the installation support (16) and the installation position corresponds to the position of a drill gun switch (23) of the drill gun (4) and is used for switching on and off the drill gun (4).

10. The vehicle body-in-white spot welding spot removing tool is characterized in that a clamping groove (21) is formed in the inner side of the second mounting sleeve (19) in the axial direction, a clamping pin (22) is arranged on the pressing rod (2), and the clamping pin (22) is fixed in the clamping groove (21) after the second mounting sleeve (19) is sleeved on the pressing rod (2).

Images