Positioning device for weapon station through missile hard guiding combination welding

Abstract

The invention provides a positioning device for weapon station through missile hard guide combination welding. The positioning device comprises a bottom plate, a positioning plate, a positioning support, a positioning block and a pressing plate assembly. Three clamping grooves are formed in the bottom plate and used for installing the positioning plate, the positioning support and the positioning block respectively, the first clamping groove is formed in the side wall direction of the elastic hard guide combination, an inclined face is arranged at the top of the positioning plate, and the inclination angle and the direction of the inclined face are the same as those of a support arm in the welding process. The second clamping groove is located on the side of the through-elastic hard guide combination and close to the open end of the through-elastic hard guide combination, a transverse shaft at the top of the positioning frame can be clamped in the square groove, the third clamping groove is close to the open end of the through-elastic hard guide combination, and the end face of the open end below the grenade hard guide is limited to a step at the top of the positioning block. The pressing plate assembly can vertically press the opening end of the lower portion of the first elastic hard guide. The positioning device is used for guiding the shell and the grenade and limiting the position of the bracket arm, so that the position deviation during welding is eliminated, the accuracy of the position angle of the bracket arm is ensured, and the welding precision and efficiency are improved.

Description

Technical Field

[0001] The invention belongs to the technical field of tooling, and in particular relates to a positioning device for combined welding of through-missile hard guidance of a weapon station. Background Art

[0002] The hard-guide assembly is an important part of the weapon station body assembly and is assembled with the ammunition box. The hard-guide assembly is welded by the hard-guide for the armored projectile, the hard-guide for the grenade and the bracket arm, and the overall structure is complex. Since the hard-guide assembly has extremely high requirements for smooth passing of bullets, the positions of the hard-guide for the armored projectile, the hard-guide for the grenade and the bracket arm must be accurate.

[0003] The existing method is to first assemble and position the hard guide of the A-type projectile and the ammunition box, do a bullet-passing test, and then assemble and position the grenade hard guide and the ammunition box after ensuring smooth bullet passing. Then, the bullet-passing test is performed. After passing the test, the bracket arm position and angle are adjusted by manual docking, and the bracket arm is welded with the A-type projectile hard guide and the grenade hard guide. The defects of this welding method are that the A-type projectile hard guide and the grenade hard guide must be assembled with the ammunition box separately, which is not only inefficient, but also the accumulation of multiple assembly errors caused by human factors and the accumulation of errors caused by multiple positioning welding deformations lead to large final assembly errors.

[0004] Therefore, it is considered to weld the hard guide of the armored projectile, the hard guide of the grenade and the bracket arm into shape first, and then assemble them with the ammunition box, so as to simplify the assembly process and improve the welding assembly accuracy. However, the hard guide of the armored projectile and the hard guide of the grenade are both special-shaped structures, and the welding surface is arc-shaped. When welding with the bracket arm, the relative position freedom of the welding part is large, and the position is prone to displacement; in addition, when welding, it is also necessary to meet the requirement that the bracket arm and the bottom plane of the guide are inclined at a 35° angle, and direct welding is more difficult. If the positioning is inaccurate during the welding process, it will cause jamming when passing the bullet. Summary of the invention

[0005] The purpose of the present invention is to solve the problems of inaccurate positioning, assembly error, low welding precision and efficiency in the existing methods, and to provide a positioning device for the through-bullet hard-guided combination welding of a weapon station, which can realize rapid welding and forming, has high welding precision, reduces assembly errors, and ensures the reliability and quality consistency of the through-bullet hard-guided combination welding.

[0006] To achieve the above purpose, the technical solution provided by the present invention is:

[0007] A positioning device for welding a through-projectile hard guide assembly of a weapon station, the through-projectile hard guide assembly comprising a hard guide for a projectile, a hard guide for a grenade and a support arm, the hard guide for a projectile and the hard guide for a grenade are both U-shaped, the grenade hard guide is located inside the hard guide for a projectile, and the opening ends face the same direction; one end of the support arm 11 is vertically connected to a support plate 14, and the other end is provided with a square groove, the support plate 14 is located between the hard guide for a projectile and the hard guide for a grenade, and the special feature is that the positioning device comprises a bottom plate 1, a positioning plate 2, a positioning support 3, a positioning block 4 and a pressure plate assembly;

[0008] The bottom plate is provided with a first card slot 101, a second card slot 102 and a third card slot 103, which are used to install the positioning plate 2, the positioning bracket 3 and the positioning block 5 respectively;

[0009] The first slot 101 is located on the side of the elastic hard guide assembly and is parallel to the side wall of the elastic hard guide assembly; a slope is provided on the top of the positioning plate 2, and the slope angle and direction of the slope are the same as the slope angle and direction of the bracket arm during welding;

[0010] The second slot 102 is located on the side of the bullet-proof hard guide assembly and close to the open end of the bullet-proof hard guide assembly; the top shape and size of the positioning frame 3 are the same as the square slot on the bracket arm, and can be clamped in the square slot, and the distance between the top of the positioning frame 3 and the bottom plate is equal to the distance between the square slot on the bracket arm and the bottom plate;

[0011] The third slot 103 is located at the opening end of the grenade hard guide assembly; the top of the positioning block 4 is provided with a step, the distance between the bottom surface of the step and the bottom plate 1 is equal to the distance between the bottom surface of the lower opening end of the grenade hard guide and the bottom plate 1; the side surface of the step can fit with the end surface of the lower opening end of the grenade hard guide;

[0012] The pressure plate assembly is fixed on the bottom plate and can vertically press the lower open end of the armor-piercing guide.

[0013] Furthermore, there are two pressing plate assemblies, which are respectively located on both sides of the positioning block 4.

[0014] Furthermore, the pressure plate assembly includes a positioning pressure plate, a stud and a nut; a long through hole is opened at one end of the positioning pressure plate, the stud is vertically fixed on the base plate, the stud passes through the long through hole on the positioning pressure plate and is connected with the nut; the other end of the positioning pressure plate can be pressed downward on the open end below the hard guide of the armored projectile.

[0015] Furthermore, the studs are fixed to the base plate by welding.

[0016] Furthermore, the positioning bracket 3 includes a base 301, a vertical beam 302 and a horizontal axis 303; the vertical beam 302 is vertically fixed on the base 301, and the horizontal axis 303 is horizontally fixed on the top of the vertical beam. The shape and size are the same as the square groove on the bracket arm, and the axis coincides with the axis of the square groove on the bracket arm.

[0017] Furthermore, one end of the horizontal axis 303 is flush with one side wall of the vertical beam 302, and the other end of the horizontal axis protrudes from the other side wall of the vertical beam, and the axial dimension of the protruding portion is equal to the depth of the square groove on the bracket arm.

[0018] Furthermore, two ends of the vertical beam 302 are respectively welded and fixed to the base 301 and the horizontal axis 303 .

[0019] Furthermore, the cross beam 303 and the square groove on the bracket arm are matched with a small gap.

[0020] The advantages of the present invention are:

[0021] 1. Use the welding device to quickly and accurately locate the various parts of the bullet hard guide assembly, locate the hard guide of the armored projectile, the grenade hard guide and the bracket arm of the bullet hard guide assembly, fix the welding relative position of the hard guide of the armored projectile, the grenade hard guide and the bracket arm, ensure the angle requirements of the bracket arm, and improve the dimensional accuracy of the welding positioning;

[0022] 2. When the existing manual positioning welding is adopted, each welding part is fixed by spot welding, and the welding dimensional accuracy of the parts after welding is poor, the deformation problem is prominent, and the welding efficiency is low; when the positioning device of the present invention is adopted for welding, not only the connection of all parts is completed at one time, but also the position accuracy is ensured, the position offset between the bracket arm and the hard guide of the armored shell and the hard guide of the grenade during welding is eliminated, and the angle of the bracket arm is ensured to be accurate, thereby meeting the requirements for the positioning accuracy of the workpiece, improving the welding effect and efficiency of the hard guide combination of the armored shell, and the qualified rate of welding is more than 98%, and the efficiency is improved by 2.5 times compared with the original assembly welding method. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of a positioning device for through-bullet hard-guidance welding of a weapon station of the present invention;

[0024] Figure 2 This is a schematic diagram of the structure of the weapon station after the combination of through-missile hard guidance is welded and formed;

[0025] Figure 3 It is a cross-sectional view of the weapon station through-missile hard guidance assembly;

[0026] Figure 4 It is a schematic diagram of the assembly of the through-bullet hard guide combination and the positioning device for welding;

[0027] Figure 5 yes Figure 1 Schematic diagram of the bottom plate structure in FIG.

[0028] Figure 6 yes Figure 1 Schematic diagram of the positioning plate structure;

[0029] Figure 7 yes Figure 1 Schematic diagram of the positioning bracket structure;

[0030] Figure 8 yes Figure 1 Schematic diagram of the positioning block structure;

[0031] Fig. 9 yes Figure 1 A schematic diagram of the structure of the first positioning plate in FIG.

[0032] Fig.10 yes Figure 1 A schematic diagram of the first stud structure in FIG.

[0033] Fig.11 yes Figure 1 A schematic diagram of the first nut structure in FIG.

[0034] Fig.12 yes Figure 1 A schematic diagram of the structure of the second positioning plate in FIG.

[0035] Fig.13 yes Figure 1 Schematic diagram of the second stud structure in FIG.

[0036] Fig.14 yes Figure 1 Schematic diagram of the second nut structure in FIG.

[0037] In the figure: 1-bottom plate; 101-first card slot; 102-second card slot; 103-third card slot; 2-positioning plate; 3-positioning bracket; 301-base; 302-vertical beam; 303-horizontal axis; 4-positioning block; 5-first positioning pressure plate; 6-first stud; 7-first nut; 8-second positioning pressure plate; 9-second stud; 10-second nut; 11-bracket arm; 12-grenade hard guide; 13-A-projectile hard guide; 14-bracket plate. DETAILED DESCRIPTION

[0038] The present invention is further described in detail below with reference to the accompanying drawings and specific embodiments:

[0039] The said bullet hard guide assembly comprises a grenade hard guide 12, a A-projectile hard guide 13 and a support arm 11, the A-projectile hard guide and the grenade hard guide are both U-shaped, the grenade hard guide 12 is located in the A-projectile hard guide 13, and the opening ends face the same direction, one end of the support arm 11 is vertically connected with a support plate 14, and the other end is provided with a square groove, and the support plate 14 is located between the A-projectile hard guide and the grenade hard guide. The A-projectile hard guide and the grenade hard guide are welded into a whole through the support plate 14 on the support arm.

[0040] Reference Figure 1-Figure 14A positioning device for welding a weapon station through-projectile hard guide combination, the through-projectile hard guide combination includes a hard guide for a projectile, a hard guide for a grenade and a bracket arm, the hard guide for a projectile and the hard guide for a grenade are both U-shaped, and the grenade hard guide is located inside the hard guide for a projectile; a square groove is provided at one end of the bracket arm, and the positioning device includes a bottom plate 1, a positioning plate 2, a positioning bracket 3, a positioning block 4 and a pressure plate assembly;

[0041] The bottom plate is provided with a first card slot 101, a second card slot 102 and a third card slot 103, which are used to install the positioning plate 2, the positioning bracket 3 and the positioning block 5 respectively;

[0042] The first slot 101 is located on the side of the elastic hard guide assembly and is parallel to the side wall of the elastic hard guide assembly; a slope is provided on the top of the positioning plate 2, and the slope angle and direction of the slope are the same as the slope angle and direction of the bracket arm during welding;

[0043] The second slot 102 is located on the side of the bullet-proof hard guide assembly and close to the open end of the bullet-proof hard guide assembly; the top shape and size of the positioning frame 3 are the same as the square slot on the bracket arm, and can be clamped in the square slot, and the distance between the top of the positioning frame 3 and the bottom plate is equal to the distance between the square slot on the bracket arm and the bottom plate;

[0044] The third slot 103 is located at the opening end of the grenade hard guide assembly; the top of the positioning block 4 is provided with a step, the distance between the bottom surface of the step and the bottom plate 1 is equal to the distance between the bottom surface of the lower opening end of the grenade hard guide and the bottom plate 1; the side surface of the step can fit with the end surface of the lower opening end of the grenade hard guide;

[0045] The pressure plate assembly is fixed on the bottom plate and can vertically press the lower open end of the armor-piercing guide.

[0046] Reference Figure 5 ; The bottom plate 1 is a rectangular plate-shaped structure, and three slots are arranged on the bottom plate, namely the first slot 101, the second slot 102 and the third slot 103, and the second slot is located between the first slot and the third slot. The first slot 101 is a rectangular slot, and the positioning plate 2 is installed in the first slot 101. The slot length and slot width of the first slot are respectively equal to the length and width of the positioning plate 2. The second slot 102 is a square slot, and the positioning bracket 3 is installed in the second slot. The size of the second slot is equal to the bottom size of the positioning bracket 3. The third slot 103 is a square slot, and the positioning block 4 is installed in the third slot. The size of the third slot is the same as the bottom size of the positioning block. The positioning plate 2 installed in the first slot and the positioning block 4 located in the second slot

[0047] Reference Figure 6The positioning plate 2 is made of high-quality carbon steel. The positioning plate 2 is vertically installed in the first slot 101 on the bottom plate and fixed by electric welding to support the positioning bracket arm 11. The top of the positioning plate 2 is an inclined surface, and the angle of the inclined surface is the same as the placement angle and direction of the bracket arm when it is welded and formed, which ensures the angular positioning accuracy of the bracket arm during welding. During welding, the side of the armor-piercing hard guide and the grenade hard guide connected to the bracket arm is close to the positioning plate 2, and the bracket arm is placed on the inclined surface of the positioning plate 2.

[0048] Reference Figure 7 The positioning bracket 3 is vertically mounted in the second slot 102 on the bottom plate and fixed by electric welding. It includes a base 301, a vertical beam 302 and a horizontal axis 303. The base 301 is mounted in the second slot and fixed by welding, the vertical beam 302 is vertically fixed on the base 301, and the horizontal axis 303 is horizontally fixed on the top of the vertical beam and fixed by electric welding. The shape and size of the horizontal axis are the same as those of the square slot on the bracket arm, and the axis coincides with the axis of the square slot on the bracket arm.

[0049] One end of the horizontal axis 303 is flush with one side wall of the vertical beam 302, and the other end of the horizontal axis protrudes from the other side wall of the vertical beam, and the axial dimension of the protruding part is equal to the depth of the square groove on the bracket arm. During welding, the horizontal axis 303 can be smoothly stuck in the square groove of the bracket arm 11 to prevent position displacement during welding.

[0050] The cross beam 303 and the square groove on the bracket arm are matched with a small gap.

[0051] Reference Figure 8 The positioning block 4 is a stepped structure, made of high-quality carbon steel, and installed in the third slot 103 on the bottom plate. A step is provided on the top of the positioning block 4, and the distance between the bottom surface of the step and the bottom plate 1 is equal to the distance between the bottom surface of the lower opening end of the grenade hard guide and the bottom plate 1. The lower port of the grenade hard guide opening end is located on the step surface, and the side surface of the step can fit with the end surface of the lower opening end of the grenade hard guide.

[0052] Reference Figure 9-14 The two pressure plate assemblies are respectively fixed on the bottom plate and located on both sides of the positioning block 4, and can vertically compress the armored bullet hard guide.

[0053] The first pressure plate assembly includes a first positioning pressure plate 5, a first stud 6 and a first nut 7. A long through slot is opened at one end of the first positioning pressure plate. One end of the first stud is fixed on the bottom plate and located on one side of the positioning block, and the other end passes through the long through hole of the first positioning pressure plate and is connected with the first nut. The other end of the first positioning pressure plate is pressed downward on the open end below the hard guide of the armor bullet. The width of the rectangular through slot on the first positioning pressure plate is 3mm larger than the outer diameter of the first stud, which is convenient for adjusting the position of the pressure plate.

[0054] The second pressure plate assembly includes a second positioning pressure plate 8, a second stud 9 and a second nut 10. The second positioning pressure plate 8 has a long through hole at one end. One end of the second stud is fixed to the bottom plate and located on the other side of the positioning block, and the other end passes through the long through hole on the second positioning pressure plate and is connected with the second nut. The other end of the second positioning pressure plate 8 is pressed downward on the open end below the hard guide of the armor bullet. The width of the rectangular through groove on the second positioning pressure plate is 3mm larger than the outer diameter of the second stud, which is convenient for adjusting the position of the pressure plate.

[0055] The first pressing plate assembly and the second pressing plate assembly are both made of high-quality carbon steel. The first positioning pressing plate and the second positioning pressing plate vertically press the bottom of the armor-shell hard guide 13 to ensure that the armor-shell hard guide is fixed in position during welding without shaking.

[0056] The positioning plate 2, the positioning bracket 3 and the positioning block 4 work together to fix the position and angle between the grenade hard guide 12, the armored shell hard guide 13 and the bracket arm. After fixation, the connecting parts of the bracket arm and the armored shell hard guide and the grenade hard guide are welded. After welding, the armored shell hard guide combination is assembled with the ammunition box, thereby avoiding errors caused by multiple assemblies and ensuring position accuracy.

[0057] The installation steps of the device of the present invention are as follows:

[0058] 1. Insert one end of the positioning plate 2 into the first slot 101 on the bottom plate 1, and perform spot welding at the contact surface of the welding notch to ensure that the direction of the inclined surface of the other end of the positioning plate 2 is the same as the installation direction of the bracket arm 11;

[0059] 2. Insert the positioning block 4 into the third slot 103 on the bottom plate 1, and perform spot welding on the contact surface of the welding notch;

[0060] 3. Insert the base 301 of the positioning bracket 3 into the second slot 102 on the bottom plate 1, and perform spot welding on the contact surface of the welding notch;

[0061] 4. Install the first stud 6 and the second stud 9 on the bottom plate and on both sides of the positioning block 4. After positioning by laser marking, spot weld them on the contact surface of the welding notch;

[0062] 5. Align the top end of the vertical beam 302 with the side end of the horizontal axis 303, and spot weld them at the contact surface of the welding notch;

[0063] After the bottom end of the vertical beam 302 is positioned at the position of the base 301 by laser marking, spot welding is performed on the contact surface of the welding notch;

[0064] 6. Install the first positioning plate 5 on the first stud 6 through the rectangular slot, and install the second positioning plate 8 on the second stud 9 through the rectangular slot.

[0065] When using:

[0066] 1. Place the lower open end of the hard guide 13 against the positioning block 4, and the side wall of the hard guide 13 connected to the bracket arm 11 is in close contact with the side wall of the positioning plate 2;

[0067] Place the side of the armor-piercing hard guide connected to the bracket arm 11 close to the side wall of the positioning plate 2, rotate the first positioning pressure plate 6 and the second positioning pressure plate 9 outward to open, so that the first positioning pressure plate 6 and the second positioning pressure plate 9 press the bottom of the opening end of the armor-piercing hard guide, and then rotate the first positioning pressure plate 6 and the second positioning pressure plate 9 back to their original positions;

[0068] Pass the first nut 8 and the second nut 11 through the first stud 7 and the second stud 10 respectively, and tighten the nuts to ensure that the hard guide of the armor bullet is pressed tightly without shaking;

[0069] 2. Fit the support arm 1 to the side wall of the hard guide 13 of the projectile, place the support arm on the positioning plate 2, ensure that the welding angle of the support arm is correct, and make the square groove of the support arm clamp on the horizontal axis 303 of the positioning bracket 3 to prevent the support arm from deviating during welding; at this time, the support plate 14 on the support arm is located on the bottom inner wall of the hard guide of the projectile;

[0070] 3. The lower open end face of the grenade hard guide 12 is clamped on the step surface of the positioning block 4, and the side wall of the grenade hard guide connected to the bracket arm is in close contact with the side wall of the positioning plate 2.

[0071] After the position and angle between the hard guide of the projectile, the grenade hard guide and the support arm are guaranteed, the welding operation can be performed on the welding parts of the hard guide of the projectile, the grenade hard guide and the support arm, and the hard guide of the projectile and the grenade hard guide are welded to the support arm into a whole through the support plate 14 on the support arm 11.

[0072] The positioning device of the present invention is used for welding operation, which prevents the position deviation of the hard guide of the armored shell, the hard guide of the grenade and the bracket arm during welding, ensures the angle of the bracket arm, and prevents the parts from shaking during the welding process, thereby ensuring accurate and reliable positioning, and improving the welding efficiency and qualified rate of the hard guide combination of the bullet. In addition, the method of welding first and then assembling as a whole is adopted instead of the original method of assembling separately first, then manually docking and then welding, which reduces the assembly error and number of times and greatly improves the assembly efficiency.

[0073] The above description is only a specific implementation mode of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can easily think of various equivalent modifications or substitutions within the technical scope disclosed in the present invention, and these modifications or substitutions should be included in the protection scope of the present invention.

Claims

1. A positioning device for welding a through-projectile hard guide assembly of a weapon station, the through-projectile hard guide assembly comprising a hard guide for a projectile, a hard guide for a grenade and a support arm, the hard guide for a projectile and the hard guide for a grenade are both U-shaped, the grenade hard guide is located inside the hard guide for a projectile, and the opening ends face the same direction; one end of the support arm (11) is vertically connected to a support plate (14), and the other end is provided with a square groove, the support plate (14) is located between the hard guide for a projectile and the grenade hard guide, and is characterized in that: The positioning device comprises a base plate (1), a positioning plate (2), a positioning bracket (3), a positioning block (4) and a pressure plate assembly; The bottom plate is provided with a first card slot (101), a second card slot (102) and a third card slot (103), which are used to install the positioning plate (2), the positioning bracket (3) and the positioning block (5) respectively; The first clamping groove (101) is located on the side of the elastic hard guide assembly and is parallel to the side wall of the elastic hard guide assembly; a slope is provided on the top of the positioning plate (2), and the slope angle and direction of the slope are the same as the slope angle and direction of the bracket arm during welding; The second clamping groove (102) is located on the side of the bullet-proof hard guide assembly and close to the open end of the bullet-proof hard guide assembly; the top shape and size of the positioning frame (3) are the same as the square groove on the bracket arm, and can be clamped in the square groove, and the distance between the top of the positioning frame (3) and the bottom plate is equal to the distance between the square groove on the bracket arm and the bottom plate; The third slot (103) is located at the opening end of the grenade hard guide assembly; the top of the positioning block (4) is provided with a step, the distance between the bottom surface of the step and the bottom plate (1) is equal to the distance between the bottom surface of the lower opening end of the grenade hard guide and the bottom plate (1); the side surface of the step can fit with the end surface of the lower opening end of the grenade hard guide; The pressure plate assembly is fixed on the bottom plate and can vertically press the lower open end of the armor-piercing guide.

2. The welding positioning device according to claim 1, characterized in that: There are two pressing plate assemblies, which are respectively located on both sides of the positioning block (4).

3. The welding positioning device according to claim 1, characterized in that: The pressure plate assembly includes a positioning pressure plate, a stud and a nut; a long through hole is opened at one end of the positioning pressure plate, the stud is vertically fixed on the base plate, the stud passes through the long through hole on the positioning pressure plate and is connected with the nut; the other end of the positioning pressure plate can be pressed downward on the open end below the hard guide of the armored projectile.

4. The welding positioning device according to claim 3, characterized in that: The studs are fixed to the base plate by welding.

5. The welding positioning device according to claim 1, characterized in that: The positioning bracket (3) comprises a base (301), a vertical beam (302) and a horizontal axis (303); the vertical beam (302) is vertically fixed on the base (301), and the horizontal axis (303) is horizontally fixed on the top of the vertical beam, and has the same shape and size as the square groove on the bracket arm, and its axis coincides with the axis of the square groove on the bracket arm.

6. The welding positioning device according to claim 5, characterized in that: One end of the horizontal axis (303) is flush with one side wall of the vertical beam (302), and the other end of the horizontal axis protrudes from the other side wall of the vertical beam, and the axial dimension of the protruding portion is equal to the depth of the square groove on the bracket arm.

7. The welding positioning device according to claim 5 or 6, characterized in that: The two ends of the vertical beam (302) are respectively welded and fixed to the base (301) and the horizontal axis (303).

8. The welding positioning device according to claim 7, characterized in that: The cross beam (303) and the square groove on the support arm are matched with a small gap.

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