Double-end assembling and machining device

Abstract

The utility model relates to a double-head assembly machining device which comprises a workbench, a first positioning groove and a second positioning groove are formed in the workbench, a positioning assembly used for positioning a supporting rod is further arranged on the workbench, a first sliding base is slidably connected to the workbench in the length direction of the first positioning groove, and a second sliding base is slidably arranged on the first sliding base in a lifting mode. A first welding gun and a second welding gun are connected to the second sliding seat in a sliding mode, a first driving piece is arranged on the workbench, a second driving piece is arranged on the first sliding seat, and a third driving piece is arranged on the second sliding seat. A worker only needs to place the main rod, the supporting rod and the auxiliary rod in place, the whole machining process is high in automation degree, machining time is shortened, and workpiece machining efficiency is improved.

Description

Technical Field

[0001] This application relates to the field of parts processing, and in particular to a dual-head assembly processing apparatus. Background Technology

[0002] In related technologies, a workpiece, such as Figure 1 As shown, it includes two parallel main rods 1, several support rods 2, and two auxiliary rods 3. The support rods 2 are located between the two main rods 1 and are evenly spaced along the length of the main rods 1. Each support rod 2 is perpendicular to the main rod 1, and the opposite ends of each support rod 2 are fixedly connected to the two main rods 1 respectively. The two auxiliary rods 3 are located on the opposite sides of the two main rods 1, and the two auxiliary rods 3 correspond one-to-one with the two main rods 1. Each auxiliary rod 3 is parallel to the corresponding main rod 1 and is fixedly connected to the same end of the corresponding main rod 1.

[0003] In actual production, the above-mentioned workpiece is made by arranging several metal rods neatly, and then the workers use a welding gun to weld and fix the joints of the metal rods. The operation is time-consuming and the work efficiency is low, which needs to be improved. Utility Model Content

[0004] To improve the efficiency of workpiece processing, this application provides a dual-head assembly processing device.

[0005] This application provides a dual-head assembly and processing device, which adopts the following technical solution:

[0006] A dual-head assembly and processing device includes a worktable with a positioning groove 1 and a positioning groove 2. The positioning groove 1 is used for the insertion of a main rod, and the positioning groove 2 is used for the insertion of a secondary rod. The worktable also has a positioning component for positioning a support rod. A slide block 1 is slidably connected to the worktable along the length direction of the positioning groove 1. A slide block 2 is slidably moved up and down on the slide block 1. A welding torch 1 and a welding torch 2 are slidably connected to the slide block 2. The sliding direction of the welding torch 1 and the welding torch 2 is perpendicular to the sliding direction of the slide block 1, and the welding torch 1 and the welding torch 2 are either far apart or close to each other. A driving component 1 is provided on the worktable, which drives the slide block 1 to move. A driving component 2 is provided on the slide block 1, which drives the slide block 2 to move. A driving component 3 is provided on the slide block 2, which drives the welding torch 1 and the welding torch 2 to move.

[0007] By adopting the above technical solution, when a workpiece needs to be processed, the main rod is placed into positioning groove one, the auxiliary rod is placed into positioning groove two, and then the support rod is placed on the main rod and positioned. The driving component two drives the slide block two to move upwards, causing welding torch one and welding torch two to move above the main rod. Then, the driving component one drives the slide block one to move along the length of positioning groove one until welding torch one and welding torch two are aligned with the joint of the main rod and the support rod. The driving component two then drives the slide block two to move downwards, allowing welding torch one and welding torch two to weld the joint of the main rod and the support rod. After welding is completed, the driving component two drives the slide block two to move upwards again, and the driving component one drives the slide block one towards the main rod... The main rod and all the supporting rods are welded together. Then, the first drive unit drives the first slide to move the first welding gun and the second welding gun to the joint of the main rod and the auxiliary rod. The third drive unit drives the first welding gun and the second welding gun to move so that the first welding gun and the second welding gun are aligned with the joints of the two auxiliary rods respectively. Then, the second drive unit drives the second slide to move down so that the first welding gun and the second welding gun can weld the joint of the main rod and the auxiliary rod. The processing of the workpiece is completed. The whole processing process is highly automated. The worker only needs to place the main rod, the supporting rod and the auxiliary rod in the right position, which reduces the processing time and improves the processing efficiency of the workpiece.

[0008] Optionally, the workbench includes a platform and two limiting blocks, one and two, disposed on the platform. The first positioning groove is disposed on the first limiting block, and the second positioning groove is disposed on the second limiting block. The first limiting block is used to abut against the auxiliary rod in the second positioning groove, and the second limiting block is used to abut against the main rod in the first positioning groove.

[0009] By adopting the above technical solution, after the main rod is inserted into the positioning groove one and the auxiliary rod is inserted into the positioning groove two, the auxiliary rod is abutted by the limiting block one and the main rod is abutted by the limiting block two, thereby limiting the main rod and the auxiliary rod. There is no need for workers to manually assemble and visually determine the splicing part of the main rod and the auxiliary rod, which improves the processing accuracy of the workpiece.

[0010] Optionally, a clamping block is hinged to the platform, the clamping block is located above the second limiting block and flips to move closer to or away from the second limiting block, and the platform is provided with a driving component four for driving the clamping block to flip.

[0011] By adopting the above technical solution, and setting up a clamping block and a driving component four, when the auxiliary rod is inserted into the positioning groove two, the driving component four drives the clamping block to flip and clamp the auxiliary rod in the positioning groove two to position the auxiliary rod, reducing the movement of the auxiliary rod during the processing and further improving the processing accuracy of the workpiece.

[0012] Optionally, a plurality of limiting blocks are provided, and the plurality of limiting blocks are distributed at intervals along the sliding direction of the slide block. The positioning component includes a slider slidably connected to the worktable, a clamping block provided on the slider, and a driving member five provided on the worktable. The sliding direction of the slider is parallel to the sliding direction of the slide block. The clamping block is used to clamp the support rod against the limiting block. The driving member five drives the slider to move.

[0013] By adopting the above technical solution, after the main rod is inserted into the positioning groove, the driving component five drives the slider to move, causing each abutment block to move away from the corresponding limiting block one. Then, the support rod is placed between the abutment block and the corresponding limiting block one and placed above the main rod. Then, the driving component five drives the slider to move in the opposite direction, causing each abutment block to move closer to the corresponding limiting block one, pressing the support rod against the corresponding limiting block one, thus positioning the support rod.

[0014] Optionally, the clamping block includes a connecting portion disposed on the slider and a limiting portion disposed on the connecting portion, the limiting portion being located on the side of the connecting portion close to the corresponding limiting block, and the limiting portion being located above the support rod.

[0015] By adopting the above technical solution, a connecting part and a limiting part are set. The limiting part abuts against the support rod to limit the support rod, thereby reducing the possibility of the support rod jumping up during the processing.

[0016] Optionally, the driving component includes a transmission screw rotatably connected to the worktable and a drive motor disposed on the worktable. The transmission screw and the slide block are threadedly connected. The drive motor drives the transmission screw to rotate. The worktable is provided with a slide rail. The slide block is provided with a groove for accommodating the slide rail. The slide rail is slidably connected to the groove along the sliding direction of the slide block.

[0017] By adopting the above technical solution, the slide rail abuts against the slide block to limit the slide block one and prevent the slide block one from rotating. The drive motor drives the transmission screw to rotate, and the transmission screw drives the slide block one to move through the threaded engagement with the slide block one.

[0018] Optionally, the workbench is provided with a cover body one, which is located above the transmission screw. A cover body two is slidably connected to the cover body one along the sliding direction of the slide block one. The cover body two is located above the transmission screw, and the cover body two is connected to the slide block one.

[0019] By adopting the above technical solution, cover body one and cover body two are set up to shield the transmission screw, reducing the amount of debris falling around the transmission screw and thus affecting or interfering with the movement of slide body one.

[0020] In summary, this application includes at least one of the following beneficial technical effects:

[0021] 1. Workers only need to place the main rod, support rod, and auxiliary rod in the correct positions. The entire processing process is highly automated, reducing processing time and improving workpiece processing efficiency.

[0022] 2. After the main rod is inserted into the first positioning groove and the secondary rod is inserted into the second positioning groove, the secondary rod is abutted by the first limiting block and the main rod is abutted by the second limiting block, thereby limiting the main rod and the secondary rod. This eliminates the need for workers to manually assemble the main rod and the secondary rod and visually determine the splicing part of the main rod and the secondary rod, thus improving the processing accuracy.

[0023] 3. By setting up a clamping block and a driving component four, when the auxiliary rod is inserted into the positioning groove two, the driving component four drives the clamping block to flip and clamp the auxiliary rod in the positioning groove two to position the auxiliary rod, reducing the movement of the auxiliary rod during processing and further improving the processing accuracy of the workpiece. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of the workpiece in the relevant technology.

[0025] Figure 2 This is a schematic diagram of an embodiment of this application.

[0026] Figure 3 for Figure 2 The enlarged view of section A mainly shows the structure of the clamping block and the pressing block.

[0027] Figure 4 This is a partial structural diagram of an embodiment of this application, mainly showing the structure of the driving component one.

[0028] Figure 5 for Figure 4 The enlarged view of section B mainly shows the structure of the slide.

[0029] Figure 6 This is a partial structural diagram of an embodiment of this application after the main rod, support rod, and auxiliary rod are assembled, mainly showing the structure of the driving component three.

[0030] Figure 7 for Figure 6 The enlarged view of section C mainly shows the structure of the clearance groove.

[0031] Explanation of reference numerals in the attached drawings: 1. Main rod; 2. Support rod; 3. Secondary rod; 4. Worktable; 41. Table body; 42. Limiting block one; 421. Positioning groove one; 43. Limiting block two; 431. Positioning groove two; 5. Slide one; 51. Slide groove; 6. Driving component one; 61. Transmission screw; 62. Drive motor; 7. Slide rail; 8. Cover one; 9. Cover two; 10. Slide two; 101. Clearance groove; 11. Drive component two; 12. Limiting bar; 13. Welding gun one; 14. Welding gun two; 15. Drive component three; 151. Bidirectional screw; 152. Motor two; 17. Positioning assembly; 171. Slider; 172. Clamping block; 1721. Connecting part; 1722. Limiting part; 173. Drive component five; 18. Pressing block; 181. Linkage part; 182. Pressing part; 19. Drive component four. Detailed Implementation

[0032] The following is in conjunction with the appendix Figures 1-7 This application will be described in further detail.

[0033] In related technologies, there is a type of workpiece, see [link to related technologies]. Figure 1 It includes two parallel main rods 1, several support rods 2, and two secondary rods 3. The support rods 2 are located between the two main rods 1 and are evenly spaced along the length of the main rods 1. Each support rod 2 is perpendicular to the main rod 1, and the opposite ends of each support rod 2 are fixedly connected to the two main rods 1 respectively. The two secondary rods 3 are located on the opposite sides of the two main rods 1, and the two secondary rods 3 correspond one-to-one with the two main rods 1. Each secondary rod 3 is parallel to the corresponding main rod 1 and is fixedly connected to the same end of the corresponding main rod 1.

[0034] This application discloses a dual-head assembly and processing apparatus. See also... Figures 2-3 The double-head assembly and processing device includes a worktable 4, which includes a table body 41, several limiting blocks 42 and two limiting blocks 43. The limiting blocks 42 are located above the table body 41 and are distributed at intervals along the horizontal direction. The limiting blocks 42 are fixedly connected to the table body 41. Two positioning grooves 421 are opened at intervals on the upper end surface of some limiting blocks 42. Each positioning groove 421 penetrates the limiting block 42 along the distribution direction of the limiting blocks 42. The positioning grooves 421 on each limiting block 42 are aligned. The positioning grooves 421 are used for the main rod 1 to be inserted.

[0035] See Figures 2-3Two limiting blocks 43 are located on one side of the distribution direction of limiting block 42 and are spaced apart along the distribution direction of limiting block 42. Two positioning grooves 431 are opened at intervals on the upper end surface of each limiting block 43. The positioning grooves 431 on the two limiting blocks 43 are aligned. The positioning grooves 431 are used for the secondary rod 3 to be inserted. The limiting block 42 closest to the limiting block 43 is used to abut the secondary rod 3 in the positioning groove 431. The limiting block 43 closest to the limiting block 42 is used to abut the main rod 1 in the positioning groove 421.

[0036] See Figures 2-5 A slide block 5 is slidably connected to the platform 41. The sliding direction of the slide block 5 is parallel to the length direction of the positioning groove 421. A driving component 6 is provided on the platform 41. The driving component 6 includes a transmission screw 61 and a drive motor 62. The transmission screw 61 is rotatably connected to the platform 41, and the rotation axis of the transmission screw 61 is parallel to the length direction of the positioning groove 421. The transmission screw 61 and the slide block 5 are threadedly connected. The drive motor 62 is fixed to the platform 41, and the output shaft of the drive motor 62 is fixedly connected to the transmission screw 61. There are two slide rails 7, which are located on opposite sides of the transmission screw 61. The slide block 5 is provided with a groove 51 for accommodating the slide rails 7. The number and position of the grooves 51 correspond one-to-one with the number and position of the slide rails 7. The slide rails 7 slide along the sliding direction of the slide block 5 and are connected to the corresponding grooves 51. The slide block 5 is slidably connected to the platform 41 through the cooperation of the slide rails 7 and the grooves 51. In actual use, the drive motor 62 drives the transmission screw 61 to rotate, and the transmission screw 61 drives the slide block 5 to move through the threaded cooperation between the transmission screw 61 and the slide block 5.

[0037] See Figures 2-5 A cover 8 is fixed on the platform 41. The cover 8 is located above the transmission screw 61 and is arched. The opposite ends of the cover 8 are fixedly connected to the platform 41. A cover 9 is slidably connected to the cover 8 along the sliding direction of the slide block 5. The cover 9 is arched and located inside the cover 8 and above the transmission screw 61. The end of the cover 9 away from the cover 8 is fixedly connected to the slide block 5. The cover 8 and the cover 9 shield the transmission screw 61, reducing the amount of debris falling around the transmission screw 61 and thus affecting or interfering with the movement of the slide block 5.

[0038] See Figures 2-7A second slide 10 slides vertically and slidably on a first slide 5. A second drive component 11 is provided on the first slide 5. In this embodiment, the second drive component 11 includes a lead screw and a first motor. The lead screw is rotatably connected to the first slide 5, and the rotation axis of the lead screw is vertically arranged. The lead screw and the second slide 10 are threadedly connected. The first motor is fixed on the first slide 5, and the output shaft of the first motor is fixedly connected to the lead screw. Two limiting strips 12 are fixedly fixed at intervals on the first slide 5. The two limiting strips 12 are located on the same side of the first slide 5 and are vertically arranged. The second slide 10 has a relief groove 101 for accommodating the limiting strips 12. The limiting strips 12 slide along the sliding direction of the second slide 10 and are connected to the relief groove 101. The second slide 10 is slidably connected to the first slide 5 through the cooperation of the limiting strips 12 and the relief groove 101. In actual use, the first motor drives the lead screw to rotate, and the lead screw drives the second slide 10 to move through the threaded cooperation between the lead screw and the second slide 10.

[0039] See Figures 2-7 Welding torch 13 and welding torch 2 14 are horizontally slidably connected to the slide block 2 10. Welding torch 13 and welding torch 2 14 are located on the same side of the slide block 2 10. The sliding direction of welding torch 13 and welding torch 2 14 is perpendicular to the sliding direction of slide block 1 5, and welding torch 13 and welding torch 2 14 are either far apart or close to each other. Welding torch 13 and welding torch 2 14 each include a movable seat slidably connected to the slide block 2 10 and a torch body fixed to the movable seat. A driving component 3 15 is fixed on the slide block 2 10. In this embodiment, the driving component 3 15 includes a bidirectional screw 151 and a motor 2 152. The bidirectional screw 151 has two sections of threads with opposite directions of rotation. The bidirectional screw 151 rotates... The rotation axis of the bidirectional screw 151 is parallel to the sliding direction of the welding torch 13. The moving seats of the welding torch 13 and the welding torch 2 14 are respectively located on the two threads of the bidirectional screw 151, and the moving seats of the welding torch 13 and the welding torch 2 14 are threadedly connected to the bidirectional screw 151. The motor 2 152 is fixed on the slide 2 10. The output shaft of the motor 2 152 is fixedly connected to the bidirectional screw 151. The motor 2 152 drives the bidirectional screw 151 to rotate. The bidirectional screw 151 drives the welding torch 13 and the welding torch 2 14 to move away from or towards each other through the threaded engagement between its two threads and the threads between the welding torch 13 and the welding torch 2 14.

[0040] See Figures 2-7 The platform 41 is provided with a positioning component 17, which includes a slider 171, several abutting blocks 172 and a driving component 173. The slider 171 is located between two positioning grooves 421. The slider 171 passes through several limiting blocks 42 and is slidably connected to the platform 41. The sliding direction of the slider 171 is parallel to the sliding direction of the slide block 5. The driving component 173 is fixed to the platform 41. The piston rod of the driving component 173 is fixedly connected to the slider 171. The driving component 173 drives the slider 171 to move.

[0041] See Figures 2-7 Several abutting blocks 172 are distributed at intervals along the distribution direction of the limiting block 42, and each abutting block 172 is opposite to a limiting block 42. Each abutting block 172 is located on the same side of the corresponding limiting block 42 along the sliding direction of the slide block 5. Each abutting block 172 includes a connecting part 1721 and a limiting part 1722. The connecting part 1721 is located above the slider 171 and is fixedly connected to the slider 171. The connecting part 1721 is used to press the support rod 2 against the corresponding limiting block 42. The limiting part 1722 is fixed to the side of the connecting part 1721 near the corresponding limiting block 42. When the support rod 2 is placed on the main rod 1, the limiting part 1722 is located above the support rod 2.

[0042] See ​ A clamping block 18 is hinged to the platform 41. The clamping block 18 includes a linkage part 181 and a clamping part 182. The linkage part 181 is hinged to the platform 41, and the hinge axis of the linkage part 181 is parallel to the sliding direction of the welding torch 13. The clamping part 182 is located above the linkage part 181 and above the limiting block 43, and the clamping part 182 is hinged to the linkage part 181. The hinge axis of the clamping part 182 and the linkage part 181 is parallel to the hinge axis of the linkage part 181 and the platform 41. The clamping part 182 can rotate to move closer to or away from the limiting block 43, pressing... The clamping part 182 is used to press the auxiliary rod 3 in the positioning groove 431. The platform 41 is provided with a driving member 19. The piston rod of the driving member 19 is located on the side away from the hinge axis of the clamping part 182 and the linkage part 181. The piston rod of the driving member 19 and the clamping part 182 are rotatably connected. The rotation axis of the piston rod of the driving member 19 and the clamping part 182 is parallel to the hinge axis of the clamping part 182 and the linkage part 181. The driving member 19 drives the clamping part 182 to flip through the telescopic piston rod. In this embodiment, the driving member 19 is a cylinder.

[0043] The implementation principle of a dual-head assembly and processing device according to an embodiment of this application is as follows:

[0044] When a workpiece needs to be processed, the main rod 1 is placed into the positioning groove 421, and the auxiliary rod 3 is placed into the positioning groove 431. The driving component 419 drives the clamping block 18 to flip and clamp the auxiliary rod 3 in the positioning groove 431 to position the auxiliary rod 3. Then, each support rod 2 is placed on the main rod 1 and between the connecting part 1721 and the corresponding limiting block 42. Then, the driving component 5173 drives the slider 171 to move so that each connecting part 1721 moves closer to the corresponding limiting block 42, and the support rod 2 is pressed against the corresponding limiting block 42 to position the support rod 2.

[0045] Then, drive component 211 drives slide 210 upward, causing welding torch 13 and welding torch 24 to move above the main rod 1. Then, drive component 16 drives slide 15 to move along the length of positioning groove 421 until welding torch 13 and welding torch 214 are aligned with the joint of the main rod 1 and support rod 2. Then, drive component 211 drives slide 210 downward, causing welding torch 13 and welding torch 214 to weld the joint of the main rod 1 and support rod 2. After welding is completed, drive component 211 drives slide 210 upward again, and drive component 16 drives slide 15 to move towards the joint of the main rod 1 and the next support rod 2, until the main rod 1 and each support rod 2 are aligned. After welding is completed, drive component 6 drives slide 5 to move welding torch 13 and welding torch 2 14 to the joint of main rod 1 and auxiliary rod 3. Drive component 3 15 drives welding torch 13 and welding torch 2 14 to move so that welding torch 13 and welding torch 2 14 are aligned with the joints of the two auxiliary rods 3 respectively. Then drive component 2 11 drives slide 2 10 to move down so that welding torch 13 and welding torch 2 14 weld the joint of main rod 1 and auxiliary rod 3, thus completing the processing of the workpiece. The entire processing process is highly automated. Workers only need to place the main rod 1, support rod 2 and auxiliary rod 3 in the correct positions, which reduces processing time and improves the processing efficiency of the workpiece.

[0046] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A dual-head assembly and processing device, comprising a worktable (4), characterized in that: The workbench (4) is provided with a positioning groove 1 (421) and a positioning groove 2 (431). The positioning groove 1 (421) is used for the main rod (1) to be inserted, and the positioning groove 2 (431) is used for the auxiliary rod (3) to be inserted. The workbench (4) is also provided with a positioning assembly (17) for positioning the support rod (2). A slide block 1 (5) is slidably connected to the workbench (4) along the length direction of the positioning groove 1 (421). A slide block 2 (10) is slidably moved up and down on the slide block 1 (5). A welding torch 1 (13) and a welding torch 2 (14) are slidably connected to the slide block 2 (10). The sliding directions of the first welding gun (13) and the second welding gun (14) are perpendicular to the sliding direction of the first sliding block (5), and the first welding gun (13) and the second welding gun (14) are either far apart or close to each other. The worktable (4) is provided with a first driving member (6), which drives the first sliding block (5) to move. The first sliding block (5) is provided with a second driving member (11), which drives the second sliding block (10) to move. The second sliding block (10) is provided with a third driving member (15), which drives the first welding gun (13) and the second welding gun (14) to move.

2. The dual-head assembly and processing device according to claim 1, characterized in that: The workbench (4) includes a platform (41) and a limiting block 1 (42) and a limiting block 2 (43) provided on the platform (41). The positioning groove 1 (421) is provided on the limiting block 1 (42), and the positioning groove 2 (431) is provided on the limiting block 2 (43). The limiting block 1 (42) is used to abut against the auxiliary rod (3) in the positioning groove 2 (431), and the limiting block 2 (43) is used to abut against the main rod (1) in the positioning groove 1 (421).

3. The dual-head assembly and processing device according to claim 2, characterized in that: A clamping block (18) is hinged on the platform (41). The clamping block (18) is located above the limiting block two (43) and flips to approach or move away from the limiting block two (43). The platform (41) is provided with a driving member four (19) to drive the clamping block (18) to flip.

4. The dual-head assembly and processing device according to claim 2, characterized in that: The limiting block 1 (42) is provided in a plurality of such limiting blocks 1 (42) and the plurality of such limiting blocks 1 (42) are distributed at intervals along the sliding direction of the slide block 1 (5). The positioning component (17) includes a slider (171) slidably connected to the worktable (4), a clamping block (172) provided on the slider (171), and a driving component 5 (173) provided on the worktable (4). The sliding direction of the slider (171) is parallel to the sliding direction of the slide block 1 (5). The clamping block (172) is used to clamp the support rod (2) against the limiting block 1 (42). The driving component 5 (173) drives the slider (171) to move.

5. The dual-head assembly and processing device according to claim 4, characterized in that: The clamping block (172) includes a connecting part (1721) provided on the slider (171) and a limiting part (1722) provided on the connecting part (1721). The limiting part (1722) is located on the side of the connecting part (1721) close to the corresponding limiting block (42), and the limiting part (1722) is located above the support rod (2).

6. The dual-head assembly and processing device according to claim 1, characterized in that: The drive component (6) includes a transmission screw (61) rotatably connected to the worktable (4) and a drive motor (62) provided on the worktable (4). The transmission screw (61) and the slide block (5) are threadedly connected. The drive motor (62) drives the transmission screw (61) to rotate. The worktable (4) is provided with a slide rail (7). The slide block (5) is provided with a groove (51) for accommodating the slide rail (7). The slide rail (7) is slidably connected to the groove (51) along the sliding direction of the slide block (5).

7. The dual-head assembly and processing device according to claim 6, characterized in that: The workbench (4) is provided with a cover (8), which is located above the transmission screw (61). A cover (9) is slidably connected to the cover (8) along the sliding direction of the slide block (5). The cover (9) is located above the transmission screw (61) and is connected to the slide block (5).

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