CN217832501U - Shell welding fixture tool table assembly - Google Patents

Abstract

The utility model discloses a tooling table assembly of a shell welding jig. A bracket welding area and a shell welding area are arranged on the tooling table; a bracket positioning block is fixedly connected to the base of the bracket welding area; Block, the pressing block is connected with the first cylinder, a number of clamping blocks are arranged on one side of the positioning block of the bracket, and the clamping block is connected with the second cylinder through the connecting plate assembly; the shell positioning block and the clamping For the mechanism, a first support frame and a positioning plate are provided corresponding to the intake pipe, and a second support frame is provided corresponding to the support; clamps are connected to the first support frame through a third cylinder. The utility model integrates the welding area of the bracket and the welding area of the shell on the same tooling table. After the bracket is welded in the welding area of the bracket, it is directly placed in the welding area of the shell and welded with the outer shell, saving the procedure and cost of the bracket transfer. time, improving the welding efficiency; and because the bracket does not need to be transferred, it also saves the space for the temporary storage of the bracket, saves the transfer cost, and reduces the cost of the welding process.

Description

Shell welding fixture tooling table assembly

technical field

The utility model relates to the technical field of air cleaner shell welding, in particular to a shell welding fixture tooling table assembly.

Background technique

As a key component of the engine intake system, the air filter is mainly used to purify the air, guide the airflow direction, and provide fresh and clean air for the engine and other air-consuming components. The filter element of the air filter is set in the shell assembly, which includes a shell, an intake pipe and a bracket. The intake pipe and the bracket are welded and fixed on the shell. The deviation of the intake pipe will lead to the failure of assembly with the filter bracket, which will affect the assembly of the entire intake system; the deviation of the intake pipe will cause the deviation of the matching intake elbow, which will lead to the failure of the connected bellows.

During the welding process of the shell assembly, it is necessary to respectively position the shell, the intake pipe, and the bracket. In the traditional shell welding tooling, the positioning method for the shell is: set a boss on the tooling table, and the shell is inserted on the boss for positioning. The inner wall of the shell and the boss are hard-fitted, which may easily cause the inner wall of the shell to be scratched. , What's more, it may cause serious damage to the shell and scrap it; the positioning method for the intake pipe is: set a positioning plate in contact with the intake pipe on the tooling table, and the positioning plate can only support and limit the intake pipe, but cannot fix it. The intake pipe is prone to shift during the welding process, which will cause a large deviation in the welding size of the intake pipe, which will affect the installation of the subsequent intake elbow; the positioning method of the bracket is: usually the worker uses a square The relative position and size of the outer wall of the shell is used to locate the position of the bracket. During the size measurement process, workers are prone to dimensional deviations, which will cause deviations in the welding size of the bracket, which will affect subsequent assembly, and manual measurement and positioning take a long time. Efficiency Low.

The bracket is welded on the casing as the whole support of the air filter, and several reinforcing ribs are usually welded at the bending part to increase its supporting strength and make its strength meet the requirements. When welding the ribs, workers usually use a tape measure to measure the position of the ribs before welding. In this way, each bracket needs to be measured, which takes a long time and is inefficient.

Utility model content

Aiming at the above-mentioned shortcomings in the welding process of the existing shell assembly, the applicant provides a shell welding fixture tooling assembly with a reasonable structure, which ensures the welding size of the intake pipe and the bracket, ensures product consistency, and improves efficiency.

The technical scheme adopted in the utility model is as follows:

A shell welding jig tooling table assembly, the tooling table is provided with a bracket welding area and a shell welding area;

The base of the bracket welding area is fixedly connected with a bracket positioning block, and a pressing block is arranged above the bracket positioning block, and the pressing block is connected with the first cylinder, which can drive the pressing block to rotate; one side of the bracket positioning block is provided with several clamping blocks , the clamping block is connected to the second cylinder through the connecting plate assembly, and the second cylinder can drive the clamping block to rotate through the connecting plate assembly;

The casing welding area is respectively provided with casing positioning blocks and clamping mechanisms around the outer casing, corresponding to the intake pipe is provided with a first support frame and a positioning plate, and the corresponding support is provided with a second support frame; the first support frame passes through the third Cylinders are connected with clamps.

As a further improvement of the above technical solution:

The first cylinder can drive the pressing block to rotate 90° horizontally, and the second cylinder can drive the clamping block to rotate vertically 90°; the first cylinder is fixed on the tooling platform, and the second cylinder is fixedly connected to the tooling platform through the supporting plate.

A pressing bar is vertically arranged on the pressing block through threaded connection, and the lower end of the pressing bar protrudes outside the pressing block.

The clamping end of the clamping block is provided with a clamping groove and a first installation hole, and the groove width of the clamping groove matches the thickness of the reinforcing rib; the inner surface of the clamping groove is a positioning slope, and the slope of the positioning slope It matches the slope of the hypotenuse of the reinforcing rib; the bottom surface of the clamping block is provided with a positioning protrusion, and the positioning protrusion has a positioning vertical surface; the connecting end of the clamping block is provided with a plurality of second installation holes.

The bracket positioning block is an L-shaped block, including a vertical plate part and a horizontal plate part. The horizontal plate part is fixed on the top surface of the base through fasteners; The plate assembly is fixedly connected, and the connecting plate assembly is hinged to the second cylinder.

The clamping mechanism includes a fixed frame, a connecting frame, a caliper, and a fourth cylinder; the fixed frame is fixed on the tooling table, the connecting frame, and the cylinder body of the fourth cylinder are fixedly connected to the fixed frame, and the piston rod of the fourth cylinder passes through the first The connecting rod and the second connecting rod are connected with the connecting frame and the caliper, and the fourth cylinder can drive the caliper to rotate 90° in the vertical direction; the end of the caliper facing the outer shell is provided with a second shock absorber.

The inner surface of the clamp facing the intake pipe is a semi-elliptical clamping surface, and the contour size of the clamping surface matches the outer contour dimension of the corresponding part of the upper end of the intake pipe; the clamping surface is provided with an elastic first liner.

The upper end surface of the positioning plate facing the intake pipe is an inclined arc-shaped positioning surface, the contour size of the positioning surface matches the outer contour size of the corresponding part of the intake pipe, and the inclination of the positioning surface matches the slope of the corresponding part of the intake pipe ; The positioning surface is provided with an elastic second liner.

The shell positioning block is provided with a first shock absorbing block on the outer surface facing the shell body, and the first shock absorbing block and the shell positioning block are vulcanized into one.

A plurality of positioning pins are arranged on the top surface of the second support frame, and the positioning pins correspond to the corresponding installation holes on the support body.

The beneficial effects of the utility model are as follows:

The utility model integrates the welding area of the bracket and the welding area of the shell on the same tooling table. After the bracket is welded in the welding area of the bracket, it is directly placed in the welding area of the shell and welded with the outer shell, saving the procedure and cost of the bracket transfer. time, improving the welding efficiency; and because the bracket does not need to be transferred, it also saves the space for the temporary storage of the bracket, saves the transfer cost, and reduces the cost of the welding process.

In the bracket welding area of the utility model, the bracket body is positioned by the bracket positioning block and the pressure block, and each reinforcing rib is clamped, positioned and released by a plurality of corresponding clamping blocks, and there is no need to measure the positions of the reinforcing ribs one by one, saving The measurement procedure and time improve the welding efficiency, the dimensional accuracy of the product is easier to control, the dimensional deviation is less likely to occur, and the product consistency is higher; and the compression of the bracket body and the delivery of the rib are driven by the cylinder, which is more energy-saving and environmentally friendly.

In the shell welding area of the utility model, the outer shell is positioned by the shell positioning block and the clamping mechanism, the air intake pipe is positioned by the clamp and the positioning plate, and the bracket is positioned by the second support frame. The positioning accuracy is high, and the size of the product The accuracy is easier to control, it is not easy to produce dimensional deviation, and the product consistency is higher, which ensures the subsequent assembly of the shell, saves the measurement and positioning process, saves measurement time, and improves welding efficiency. Moreover, the clamping mechanism and clamps are all driven by cylinders, which is more energy-saving and environmentally friendly.

Description of drawings

Fig. 1 is a perspective view of the utility model.

Fig. 2 is a structural schematic diagram of the welding area of the bracket.

Fig. 3 is a perspective view of a clamping block.

Fig. 4 is a cross-sectional view of a clamping block.

Fig. 5 is a structural schematic diagram of the welding area of the shell.

Fig. 6 is a perspective view of the clamping mechanism.

Figure 7 is a front view of the positioning plate.

Figure 8 is a left side view of the positioning plate.

In the figure: 1. Tooling table;

100, bracket welding area; 10, base; 11, bracket positioning block; 12, pressing block; 121, pressure rod; 13, first cylinder; 14, clamping block; 141, clamping groove; 142, positioning slope; 143 , positioning protrusion; 1431, positioning vertical surface; 144, first mounting hole; 145, second mounting hole; 15, connecting plate assembly; 16, second cylinder; 17, supporting plate; 18, bracket body; 19, reinforcement;

200, shell welding area; 20, housing positioning block; 201, first shock absorbing block; 21, clamping mechanism; 211, fixed frame; 212, connecting frame; 213, caliper; 214, second shock absorbing block; 215 , the fourth cylinder; 216, the first connecting rod; 217, the second connecting rod; 22, the first support frame; 23, the third cylinder; 24, the clamp; 241, the clamping surface; 242, the first liner; 25. Positioning plate; 251. Positioning surface; 252. Second liner; 26. Second support frame; 261. Positioning pin; 27. Outer shell; 28. Air intake pipe.

Detailed ways

Below in conjunction with accompanying drawing, illustrate the specific embodiment of the present utility model.

As shown in Figure 1, the tooling platform 1 described in the utility model is provided with a bracket welding area 100 and a shell welding area 200, the bracket body 18 of the bracket and the reinforcing rib 19 are welded at the bracket welding area 100, and the outer shell 27 and The intake pipe 28 and the welded bracket are welded together in the shell welding area 200 .

As shown in Figures 1 and 2, a base 10 is fixed on the tooling table 1 of the support welding area 100 by fasteners, and a support positioning block 11 is fixedly connected to the base 10; the support positioning block 11 is an L-shaped block, including vertical The plate part and the horizontal plate part, the horizontal plate part is located on the right side of the vertical plate part, and the horizontal plate part is fixed on the top surface of the base 10 by fasteners; when welding, the L-shaped bracket body 18 is placed on the bracket positioning block 11, The board surfaces of the bracket body 18 respectively lean against the vertical board portion and the horizontal board portion of the bracket positioning block 11 . The front and rear sides of the base 10 are respectively provided with a first cylinder 13, the cylinder body of the first cylinder 13 is fixed on the tooling table 1, and the piston rod of the first cylinder 13 is fixedly connected with a briquetting block 12, and the briquetting block 12 is fixed on the first cylinder. Driven by 13, it can rotate 90° clockwise or counterclockwise in the horizontal direction, so as to realize the compression or loosening of the support body 18 in the vertical direction. On the compression end of briquetting block 12, vertically be provided with depression bar 121, and the lower end of depression bar 121 stretches out outside briquetting block 12, is compressed on the support body 18 by pressure bar 121; On the corresponding mounting holes of the block 12, the pressing rod 121 can be rotated to adjust the length of the rod that it protrudes, so as to be suitable for the support body 18 of different thicknesses. The right side of the base 10 is provided with a second cylinder 16, the cylinder body of the second cylinder 16 is fixedly connected to the tooling table 1 through the supporting plate 17, and the piston rod of the second cylinder 16 is hinged to one end of the connecting plate assembly 15 through a pin shaft. The other end of the connecting plate assembly 15 facing the bracket positioning block 11 is fixedly connected with several clamping blocks 14. The clamping blocks 14 are used to clamp the reinforcing ribs 19. The arrangement position of the clamping blocks 14 and the reinforcing ribs 19 are arranged on the bracket body The position on 18 is corresponding; the second cylinder 16 can drive the clamping block 14 to rotate clockwise or counterclockwise 90° in the vertical direction through the connecting plate assembly 15, so as to realize that the reinforcing rib 19 is sent to the bracket body 18 or rotated. out. As shown in Figure 2, when the bracket is welded, the pressing block 12 is driven to unscrew by the first cylinder 13, and the clamping block 14 is driven to unscrew by the second cylinder 16; the bracket body 18 is placed on the bracket positioning block 11, and the first cylinder 13 drives the briquetting block 12 to rotate horizontally by 90°, compressing the support body 18; Put it on the bracket body 18; then it can be welded by welding tools. The bracket body 18 is positioned by the bracket positioning block 11 and the pressure block 12, and each reinforcing rib 19 is clamped, positioned and released by a plurality of corresponding clamping blocks 14. It is not necessary to measure the positions of the reinforcing ribs 19 one by one, which saves measurement procedures and time, the welding efficiency is improved, the dimensional accuracy of the product is easier to control, the dimensional deviation is not easy to occur, and the product consistency is higher; and the compression of the bracket body 18 and the delivery of the rib 19 are all driven by the cylinder, which is more energy-saving and environmentally friendly.

As shown in FIG. 3 and FIG. 4 , the clamping end of the clamping block 14 is provided with a clamping groove 141 penetrating in the vertical direction, and the width of the clamping groove 141 matches the thickness of the reinforcing rib 19 . The inner surface of the clamping groove 141 is an inclined positioning slope 142, the slope of the positioning slope 142 matches the slope of the hypotenuse of the reinforcing rib 19, when the reinforcing rib 19 is clamped, the hypotenuse of the reinforcing rib 19 abuts against the positioning slope 142 on. On the bottom surface of the clamping block 14, at the end of the positioning slope 142, there is a positioning protrusion 143 extending vertically downward. Cooperating with the positioning slope 142 can realize the limit of the reinforcing rib 19 in the horizontal direction, ensuring that the reinforcing rib 19 is clamped in place. First installation holes 144 are provided on the clamping block 14 at the front and rear sides of the clamping groove 141 , and the reinforcing ribs 19 can be pressed into the clamping groove 141 through fasteners on the first mounting holes 144 . The connecting end of the clamping block 14 is provided with a number of second mounting holes 145, which are detachably connected to the connecting plate assembly 15 through fasteners on the second mounting holes 145; the clamping block 14 is detachably connected, for different For reinforcing ribs 19 of different thicknesses or shapes, different clamping blocks 14 can be used instead, so as to be compatible with different reinforcing ribs 19 .

As shown in Fig. 1 and Fig. 5, on the table top of the tooling platform 1 in the shell welding area 200, the surrounding walls corresponding to the outer shell 27 are respectively provided with a shell positioning block 20 and a clamping mechanism 21, and the clamping mechanism 21 is correspondingly located on the shell positioning block. 20, the surrounding housing positioning blocks 20 limit the surrounding walls of the outer housing 27 respectively, and the clamping mechanisms 21 around are respectively clamped to the surrounding walls of the outer housing 27 to position the outer housing 27 to prevent the outer housing from 27 The position is shifted. The left and right sides of the rear side of the tooling table 1 in the shell welding area 200 are vertically and symmetrically provided with first support frames 22 , and the upper ends of the two first support frames 22 are symmetrically provided with clamps 24 , and the clamps 24 pass through the third cylinder 23 Connected to the first support frame 22 , the clamp 24 is used to clamp the upper end of the intake pipe 28 . A positioning plate 25 is vertically arranged between the two first support frames 22 , and the positioning plate 25 is fixed on the tooling table 1 , and the positioning plate 25 abuts against the outer wall of the air intake pipe 28 to position the air intake pipe 28 . The left and right sides of the tooling platform 1 in the housing welding area 200 are respectively vertically provided with second support frames 26 , and the second support frames 26 are used to place and position the supports. As shown in Figure 5, when the housing is welded, the clamping mechanism 21 and the clamp 24 are loosened first, and then the outer shell 27 is placed between the clamping mechanism 21 and the outer shell 27, and the surrounding clamping mechanisms 21 hold the outer shell 27 Clamping; the intake pipe 28 is docked with the outer shell 27, the third cylinder 23 drives the clamp 24 to clamp the upper end of the intake pipe 28, and the positioning plate 25 positions the intake pipe 28; the bracket is placed on the second support frame 26 and positioning; then, welding tools can be used to weld the matching parts of the outer housing 27, the intake pipe 28 and the bracket respectively. The outer casing 27 is positioned by the casing positioning block 20 and the clamping mechanism 21, the air intake pipe 28 is positioned by the clamp 24 and the positioning plate 25, and the bracket is positioned by the second support frame 26. The positioning accuracy is high, and the dimensional accuracy of the product is easier. Control, it is not easy to produce dimensional deviation, and the product consistency is higher, which ensures the subsequent assembly of the shell, saves the measurement and positioning process, saves measurement time, and improves welding efficiency. Moreover, both the clamping mechanism 21 and the clamp 24 are driven by air cylinders, which is more energy-saving and environment-friendly.

As shown in Figure 1, the outer surface of the housing positioning block 20 facing the outer shell 27 is provided with a first shock absorbing block 201, and the first shock absorbing block 201 and the housing positioning block 20 are vulcanized as one; the first shock absorbing block 201 is made of rubber The material is elastically matched when friction occurs with the outer casing 27, which can prevent the outer casing 27 from being scratched and ensure the quality of the outer casing 27.

As shown in Figure 6, the clamping mechanism 21 includes a fixed frame 211, a connecting frame 212, a caliper 213, and a fourth cylinder 215; the fixed frame 211 is fixed to the tooling table 1 by fasteners, and the connecting frame 212 is fixedly connected to the fixed frame 211 Above, the cylinder body of the fourth cylinder 215 is fixedly connected on the fixed frame 211, and the piston rod of the fourth cylinder 215 is respectively connected with the connecting frame 212 and the caliper 213 through the first connecting rod 216 and the second connecting rod 217; the first connecting rod 216, the second connecting rod 217 is fixedly connected with the piston rod of the fourth cylinder 215, the first connecting rod 216 is hinged with the connecting frame 212, and the second connecting rod 217 is hinged with the caliper 213; the caliper 213 is driven by the fourth cylinder 215, and can be Rotate 90° clockwise or counterclockwise in the vertical direction to realize clamping or loosening of the outer casing 27 . The upper end of the caliper 213 and the end facing the outer casing 27 are provided with a second shock absorber 214. The second shock absorber 214 is made of rubber. When the outer casing 27 is pressed, it is in elastic contact with the outer casing 27, which can prevent the outer casing 27 be scratched, guarantee the quality of the outer shell 27.

As shown in FIG. 1 , the inner surface of the clamp 24 facing the intake pipe 28 is a semi-elliptical clamping surface 241 , and the profile size of the clamping surface 241 matches the outer profile size of the corresponding part of the upper end of the intake tube 28 . The clamping surface 241 is provided with a first liner 242, the first liner 242 is an elastic pad, and is elastically matched with the air intake pipe 28 to prevent the air intake pipe 28 from being scratched and ensure the quality of the air intake pipe 28.

As shown in Fig. 1, Fig. 7, Fig. 8, the upper end surface of the positioning plate 25 facing the intake pipe 28 is an inclined arc-shaped positioning surface 251, and the contour size of the positioning surface 251 is the same as the outer contour size of the corresponding position of the intake pipe 28. Matching, the inclination of the positioning surface 251 matches the inclination of the corresponding part of the intake pipe 28 . The positioning surface 251 is provided with a second liner 252, the second liner 252 is an elastic pad, and is elastically matched with the air intake pipe 28 to prevent the air intake pipe 28 from being scratched and ensure the quality of the air intake pipe 28.

As shown in Figure 1, several positioning pins 261 are provided on the top surface of the second support frame 26, and the positioning pins 261 correspond to the corresponding mounting holes on the support body 18. After the support body 18 is placed on the second support frame 26, The positioning pin 261 is inserted into the mounting hole of the bracket body 18 to position the bracket body 18 .

In the utility model, the support welding area 100 and the shell welding area 200 are integrated and arranged on the same tooling table 1. After the support is welded in the support welding area 100, it is directly placed in the shell welding area 200 and the outer shell 27 for welding, saving energy. The procedures and time for the transfer of the bracket are shortened, and the welding efficiency is improved; and because the bracket does not need to be transferred, the space for the temporary storage of the bracket is also saved, the transfer cost is saved, and the cost of the welding process is reduced.

The above description is an explanation of the utility model, not a limitation of the utility model, and the utility model can be modified in any form without violating the spirit of the utility model.

Claims (10)

1. A shell welding fixture tooling table assembly, characterized in that: the tooling table (1) is provided with a bracket welding area (100) and a shell welding area (200); A bracket positioning block (11) is fixedly connected to the base (10) of the bracket welding area (100), and a pressing block (12) is arranged above the bracket positioning block (11), and the pressing block (12) is connected with the first cylinder (13) , the first cylinder (13) can drive the pressing block (12) to rotate; one side of the bracket positioning block (11) is provided with several clamping blocks (14), and the clamping blocks (14) connect with the second The cylinder (16) is connected, and the second cylinder (16) can drive the clamping block (14) to rotate through the connecting plate assembly (15); The casing welding area (200) is respectively provided with casing positioning blocks (20) and clamping mechanisms (21) around the outer casing (27), and the first support frame (22) and positioning plate are provided corresponding to the intake pipe (28) (25), a second support frame (26) is provided corresponding to the support; a clamp (24) is connected to the first support frame (22) through a third cylinder (23). 2. The shell welding fixture tooling platform assembly according to claim 1, characterized in that: the first cylinder (13) can drive the pressing block (12) to rotate horizontally by 90°, and the second cylinder (16) can drive the clamping The block (14) rotates vertically by 90°; the first air cylinder (13) is fixed on the tooling table (1), and the second air cylinder (16) is fixedly connected to the tooling table (1) through the supporting plate (17). 3. The shell welding fixture tooling platform assembly according to claim 1, characterized in that: a pressure rod (121) is vertically arranged on the pressure block (12) through screw connection, and the lower end of the pressure rod (121) protrudes Outside the briquetting block (12). 4. The shell welding fixture tooling platform assembly according to claim 1, characterized in that: the clamping end of the clamping block (14) is provided with a clamping groove (141) and a first installation hole (144) , the groove width of the clamping groove (141) is adapted to the thickness of the reinforcing rib (19); the inner surface of the clamping groove (141) is a positioning slope (142), and the slope of the positioning slope (142) is compatible with the reinforcing rib ( 19) The slope of the hypotenuse matches; the bottom surface of the clamping block (14) is provided with a positioning protrusion (143), and the positioning protrusion (143) has a positioning vertical surface (1431); the clamping block (14) Several second installation holes (145) are opened on the connection end. 5. The shell welding fixture tooling platform assembly according to claim 1, characterized in that: the bracket positioning block (11) is an L-shaped block, including a vertical plate part and a horizontal plate part, and the horizontal plate part is fixed by fasteners On the top surface of the base (10); the clamping block (14) is located on the side of the horizontal plate of the bracket positioning block (11); the clamping block (14) is fixedly connected with the connecting plate assembly (15), and the connecting plate assembly (15 ) is hinged with the second cylinder (16). 6. The shell welding fixture tooling platform assembly according to claim 1, characterized in that: the clamping mechanism (21) includes a fixed frame (211), a connecting frame (212), a caliper (213), a fourth cylinder ( 215); the fixed frame (211) is fixed on the tooling platform (1), the cylinder body of the connecting frame (212), the fourth cylinder (215) is fixedly connected to the fixed frame (211), and the piston of the fourth cylinder (215) The rods are respectively connected with the connecting frame (212) and the caliper (213) through the first connecting rod (216), the second connecting rod (217), and the fourth cylinder (215) can drive the caliper (213) to rotate 90 degrees in the vertical direction. °; the end of the caliper (213) facing the outer casing (27) is provided with a second shock absorber (214). 7. The shell welding fixture tooling table assembly according to claim 1, characterized in that: the inner surface of the clamp (24) facing the intake pipe (28) is a semi-elliptical clamping surface (241), clamping The outline dimension of the surface (241) matches the outer outline dimension of the corresponding part of the upper end of the intake pipe (28); the clamping surface (241) is provided with an elastic first liner (242). 8. The shell welding fixture tooling platform assembly according to claim 1, characterized in that: the upper end surface of the positioning plate (25) facing the intake pipe (28) is an inclined arc-shaped positioning surface (251), and the positioning The contour size of the surface (251) matches the outer contour size of the corresponding part of the intake pipe (28), and the inclination of the positioning surface (251) matches the slope of the corresponding part of the intake pipe (28); A resilient second liner (252) is provided. 9. The shell welding fixture tooling platform assembly according to claim 1, characterized in that: the shell positioning block (20) is provided with a first damping block (201) on the outer surface facing the shell shell (27), and the second A shock absorbing block (201) is vulcanized as one with the housing positioning block (20). 10. The shell welding fixture tooling platform assembly according to claim 1, characterized in that: a number of positioning pins (261) are arranged on the top surface of the second support frame (26), and the positioning pins (261) are connected with the support body Correspond to the corresponding mounting holes on (18).

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