Curved surface punching device for agricultural machining

Abstract

The invention provides a curved surface punching device for agricultural mechanical processing, which is used for punching a workpiece, and comprises an integrated drilling machine, and further comprises a bearing table which is positioned on the side surface of the integrated drilling machine and is used for placing the workpiece; a plurality of clamping grooves are formed in the bearing table, the clamping blocks are clamped in the clamping grooves in a sliding mode, mounting grooves are formed in the clamping blocks, fixing rods are arranged in the mounting grooves in a sliding mode, and the fixing rods are connected with the inner sides of the mounting grooves through elastic pieces; and the transmission unit comprises a driving piece arranged in the bearing table and transmission pieces movably connected with the clamping blocks, and the driving piece is in transmission connection with the transmission pieces. In the continuous moving process of the clamping blocks, it can be guaranteed that the fixing rods abut against the side faces of a workpiece respectively, the workpiece is fixed to the bearing table, flexible adjustment can be conducted according to the specific shape of the workpiece under the action of the clamping blocks and the fixing rods, it is guaranteed that the workpiece can be firmly fixed in the machining process, and the machining efficiency is improved. And the punching error caused by instability of the workpiece is reduced.

Description

Technical Field

[0001] The invention relates to the technical field of workpiece processing, and in particular to a curved surface punching device for agricultural machinery processing. Background Art

[0002] Agricultural machinery refers to various machines used in the process of crop planting and animal husbandry production, as well as in the primary processing and handling of agricultural and livestock products. Whether inside or outside the agricultural machinery, they have many arc-shaped and curved shells. In order to facilitate the connection between the shell and the shell and the frame, most of them need to open holes on the edge or surface of the curved shell for bolt assembly.

[0003] The punching equipment currently used are basically integrated automatic punching machines, which are mainly used to adapt to the application of automated equipment in the manufacturing industry to replace manual work, so as to solve the problem of manual punching in traditional punching, drilling, reaming, milling and other processing links. They have the advantages of being fast, accurate and efficient. However, due to the different shapes and sizes of workpieces, when fixing the workpieces, it is impossible to effectively and stably position and fix the curved workpieces, resulting in low workpiece punching quality. Summary of the invention

[0004] In view of the deficiencies in the prior art, the present invention provides a curved surface punching device for agricultural machinery processing, which solves the problem in the prior art that the curved surface workpiece cannot be effectively and stably positioned and fixed, resulting in low workpiece punching quality.

[0005] According to an embodiment of the present invention, a curved surface drilling device for agricultural machinery processing, used for workpiece drilling processing, includes an integrated drilling machine, and also includes:

[0006] A support platform located on the side of the integrated drilling machine and used to place the workpiece;

[0007] A plurality of card blocks, the bearing platform is provided with a plurality of card slots, each card block is slidably connected to the plurality of card slots, the card block is provided with a mounting slot, a fixing rod is slidably provided in the mounting slot, and the fixing rod is connected to the inner side of the mounting slot through an elastic member; and

[0008] The transmission unit includes a driving member arranged in the supporting platform and a transmission member movably connected to each clamping block. The driving member is in transmission connection with the transmission member and is used to drive each clamping block to slide along the clamping groove so that each fixing rod is close to the workpiece and respectively abuts against the side of the workpiece to fix it.

[0009] Compared with the prior art, the present invention has the following beneficial effects:

[0010] In the present solution, through the cooperation of a number of clamping blocks and fixed rods arranged on the clamping blocks, when the workpiece is placed on the supporting platform, each clamping block can slide in the corresponding clamping groove, so that the clamping block drives the fixed rod arranged thereon to lean against the side of the workpiece, and under the action of the elastic member, during the continuous movement of each clamping block, it can be ensured that each fixed rod is respectively in contact with the side of the workpiece to fix the workpiece on the supporting platform, and under the action of each clamping block and the fixed rod, it can be flexibly adjusted according to the specific shape of the workpiece to ensure that the workpiece can be firmly fixed during the processing and reduce the punching error caused by the instability of the workpiece.

[0011] In this solution, with the cooperation of the transmission unit, the transmission parts can be connected to each clamping block, and the transmission parts can be connected to the driving parts. When the driving parts are working, the transmission parts can be driven to move inside the carrier table, thereby driving each clamping block to move synchronously to the side of the workpiece, thereby fixing the workpiece. The degree of automation is high, which reduces the time and labor cost of manual adjustment, and increases production efficiency.

[0012] Preferably, the driving member includes a fixing frame arranged at the bottom of the bearing platform, a first screw rotatably arranged on the fixing frame, a mounting plate arranged at the bottom of the bearing platform, a worm rotatably arranged on the mounting plate, and a driver arranged at the bottom of the bearing platform, the output shaft of the driver is connected to the worm, a worm wheel is arranged at the bottom of the first screw, and the worm wheel is meshed with the worm;

[0013] The transmission member comprises an adjustment frame and a plurality of connecting rods rotatably arranged on both sides of the adjustment frame, the plurality of connecting rods are rotatably connected with corresponding clamping blocks respectively, the adjustment frame is provided with a connecting member, and the connecting member is threadedly connected with the first screw rod.

[0014] Preferably, the connecting member includes a threaded plate threadedly connected to the first screw rod, a mounting seat provided at the end of the threaded plate, and a second screw rod rotatably provided on the mounting seat, and the adjustment frame is threadedly connected to the second screw rod.

[0015] Preferably, a rolling element is provided at one end of the threaded plate close to the fixing frame, and the rolling element is in rolling contact with the inner side surface of the fixing frame.

[0016] Preferably, a hand wheel is fixedly provided on the top end of the second screw.

[0017] Preferably, a plurality of limit rods are provided at the bottom of the bearing platform, and the adjustment frame is slidably arranged on the plurality of limit rods.

[0018] Preferably, the elastic member includes a slider slidably arranged in the installation groove and fixedly connected to the fixing rod, and a spring arranged in the installation groove, and the spring abuts between the inner side of the installation groove and the slider.

[0019] Preferably, a mounting rod is fixedly provided in the mounting groove, and the slider and the spring are both sleeved on the mounting rod.

[0020] Preferably, the fixing rod sleeve is provided with a rubber sleeve, and the rubber sleeve abuts against the side surface of the workpiece. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the structure after the workpiece is clamped in an embodiment of the present invention.

[0022] Figure 2 It is a schematic diagram of a cross-sectional structure of a supporting platform in an embodiment of the present invention.

[0023] Figure 3 FIG. 4 is another schematic cross-sectional structure diagram of the support platform in an embodiment of the present invention.

[0024] Figure 4 Schematic diagram of the transmission structure of the first screw and the second screw in an embodiment of the present invention.

[0025] Figure 5 Schematic diagram of the structure of the adjustment frame and each connecting rod in an embodiment of the present invention.

[0026] Figure 6 Schematic diagram of the structure of the fixing rod and the elastic member in an embodiment of the present invention.

[0027] Figure 7 Schematic diagram of the transmission structure of the threaded plate in an embodiment of the present invention.

[0028] In the above drawings: 1. integrated drilling machine; 2. supporting platform; 3. clamping block; 4. fixing rod; 5. rubber sleeve; 6. driver; 7. limiting rod; 8. connecting rod; 9. adjusting frame; 10. fixing frame; 11. worm; 12. worm wheel; 13. first screw; 14. threaded plate; 15. second screw; 16. hand wheel; 17. slider; 18. mounting rod; 19. spring; 20. mounting seat; 21. workpiece; 22. clamping slot; 23. mounting slot; 24. mounting plate. DETAILED DESCRIPTION

[0029] The technical solution of the present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0030] like Figure 1 and Figure 6 As shown, the embodiment of the present invention provides a curved surface drilling device for agricultural machinery processing, which is used for drilling a workpiece 21, including an integrated drilling machine 1, and also includes:

[0031] A support platform 2 located at the side of the integrated drilling machine 1 and used for placing a workpiece 21;

[0032] A plurality of card blocks 3, the carrier platform 2 is provided with a plurality of card slots 22, each card block 3 is slidably connected to the plurality of card slots 22, the card block 3 is provided with a mounting slot 23, the mounting slot 23 is slidably provided with a fixing rod 4, and the fixing rod 4 is connected to the inner side of the mounting slot 23 through an elastic member; and

[0033] The transmission unit includes a driving member arranged in the supporting platform 2 and a transmission member movably connected to each clamping block 3. The driving member is transmission-connected to the transmission member for driving each clamping block 3 to slide along the clamping groove 22 so that each fixing rod 4 is close to the workpiece 21 and respectively abuts against the side of the workpiece 21 to fix it.

[0034] In the embodiment of the present invention, the support platform 2 is a frame structure, which has sufficient stability and strength to support the weight and stress of the workpiece 21 during the processing. The top surface of the support platform 2 forms a support surface for placing the workpiece 21. The support surface is provided with a plurality of slots 22 that penetrate the support platform 2. Figure 1 The opening direction of the card slot 22 is divided into two rows, and the two rows of card slots 22 are distributed in a mirror image and are distributed on both sides of the center line of the carrier 2. Before processing the workpiece 21, it is directly placed on the center line of the carrier 2. In the initial state, each card block 3 is in the same position in the card slot 22 where it is installed, so that each fixing rod 4 corresponds, and the workpiece 21 is between the two rows of fixing rods 4.

[0035] With the cooperation of the transmission unit, the transmission member is connected to each block 3 through the transmission member, and the transmission member is connected to the driving member. When the driving member is working, it can drive the transmission member to move inside the carrier 2, so that the transmission member drives each block 3 to move synchronously to the side of the workpiece 21, that is, when the transmission member moves, the two rows of fixed rods 4 are close to the center line of the carrier 2, so that each fixed rod 4 abuts against the side of the workpiece 21. Due to the different curvature shapes of the side surfaces of the workpiece 21 and under the support of the elastic member, when one of the fixed rods 4 in the same group has abutted against the side of the workpiece 21, and the other fixed rod 4 has not abutted against the side of the workpiece 21, the driving member and Under the continuous operation of the transmission member, the fixing rod 4 that has not abutted against the side of the workpiece 21 still moves toward the side of the workpiece 21, while the fixing rod 4 that has abutted against the workpiece 21 applies a force to the elastic member, allowing the fixing rod 4 to slide relatively in the mounting groove 23 of the clamping block 3 until all the fixing rods 4 abut against the side of the workpiece 21, that is, the positioning and installation of the workpiece 21 is completed. Under the action of the clamping block 3, the mounting groove 23 and the elastic member, each fixing rod 4 can be flexibly adjusted according to the specific shape of the workpiece 21, ensuring that the workpiece 21 can be firmly fixed during the processing process, reducing the punching error caused by the instability of the workpiece 21.

[0036] Based on the above scheme, if Figure 4 and Figure 7As shown, the driving member includes a fixing frame 10 arranged at the bottom of the carrying platform 2, a first screw 13 rotatably arranged on the fixing frame 10, a mounting plate 24 arranged at the bottom of the carrying platform 2, a worm 11 rotatably arranged on the mounting plate 24, and a driver 6 arranged at the bottom of the carrying platform 2, wherein the output shaft of the driver 6 is connected to the worm 11, and a worm wheel 12 is arranged at the bottom of the first screw 13, and the worm wheel 12 is meshed with the worm 11;

[0037] like Figure 2 , Figure 3 and Figure 5 As shown, the transmission member includes an adjustment frame 9 and a plurality of connecting rods 8 rotatably arranged on both sides of the adjustment frame 9 , the plurality of connecting rods 8 are rotatably connected to the corresponding blocks 3 , and the adjustment frame 9 is provided with a connecting member, which is threadedly connected to the first screw 13 .

[0038] Specifically, when the driving member and the transmission member cooperate to implement synchronous adjustment of each block 3, the driving member and the transmission member are both arranged inside the support platform 2. By starting the driver 6, the output shaft of the driver 6 rotates to drive the connected worm 11 to rotate. Since the worm 11 is meshed with the worm wheel 12, and the worm wheel 12 is rotated on the fixed frame 10 through the first screw 13, the first screw 13 can be driven to rotate in the fixed frame 10 under the rotation of the worm 11, and the connecting member can only move up and down due to the limitation of the fixed frame 10. Therefore, under the transmission of the first screw 13, the connecting member is driven to move up and down in the fixed frame 10, and self-locking is completed when the driver 6 stops working. The adjusting frame 9 also has a frame structure. Since the blocks 3 are installed in a row on the supporting platform 2, the connecting rods 8 corresponding to the blocks 3 are arranged on both sides of the adjusting frame 9. Taking the connecting member driving the adjusting frame 9 to move downward as an example, when the adjusting frame 9 moves downward, the adjusting frame 9 drives the ends of the connecting rods 8 to move downward. Since the other ends of the connecting rods 8 are limited by the blocks 3 and can only move horizontally, the angle between the two connecting rods 8 becomes smaller, so that the blocks 3 are pulled by the connecting rods 8, thereby realizing the transmission adjustment of each block 3.

[0039] Based on the above scheme, if Figure 2 As shown, the connecting member includes a threaded plate 14 threadedly connected to the first screw rod 13 , a mounting seat 20 disposed at the end of the threaded plate 14 , and a second screw rod 15 rotatably disposed on the mounting seat 20 , and the adjustment frame 9 is threadedly connected to the second screw rod 15 .

[0040] Since the width of the workpiece 21 is different and the stroke of the first screw 13 is fixed, when the connecting piece is located at the top of the first screw 13, the initial position of the adjusting frame 9 can be adjusted, that is, the position of each block 3 and the fixing rod 4 can be adjusted to control the spacing between the corresponding two fixing rods 4. When the overall width of the workpiece 21 is large, by rotating the second screw 15, since the threaded plate 14 cannot move on the first screw 13 by itself, the second screw 15 can only rotate on the mounting seat 20. When the second screw 15 rotates, the adjusting frame 9 moves upward on the second screw 15, thereby causing the adjusting frame 9 to drive the ends of each connecting rod 8 to move upward, allowing the connecting rods 8 on both sides to push the corresponding blocks 3 to move in the slots 22, so that the fixing rod 4 moves toward the side of the supporting platform 2, so that the spacing between the two rows of fixing rods 4 is sufficient to install the workpieces 21 that need to be installed in batches later.

[0041] Similarly, when the overall width of the workpiece 21 is small, the second screw 15 is reversed so that the adjusting frame 9 moves downward on the second screw 15, thereby causing the adjusting frame 9 to drive the ends of each connecting rod 8 to move downward, allowing the connecting rods 8 on both sides to pull their corresponding blocks 3 to move in the slots 22, thereby shortening the distance between the two rows of fixing rods 4. When the stroke of the first screw 13 remains unchanged, workpieces 21 of different widths can be fixed, and even if the shapes of the two sides of the workpiece 21 are different, the positioning and installation can be completed under the continuous movement of each fixing rod 4.

[0042] Specifically, a rolling element is provided at one end of the threaded plate 14 close to the fixed frame 10, and the rolling element rolls and fits with the inner side surface of the fixed frame 10; since the threaded plate 14 needs to be limited by the side of the fixed frame 10 to be normally transmitted through the first screw 13, the end of the threaded plate 14 needs to be in contact with the fixed frame 10 at all times, and the rolling element replaces the sliding friction between the two, which can significantly reduce the direct friction between the moving parts, thereby reducing the wear rate and extending the service life of the equipment. Compared with sliding contact, rolling contact can also maintain more consistent motion characteristics, and the rolling friction coefficient is much smaller than the sliding friction coefficient, which reduces noise and improves transmission efficiency. Among them, the rolling element can be a ball embedded in the end of the threaded plate 14, or it can be a roller rotatably connected to the threaded plate 14.

[0043] Secondly, if Figure 4 As shown, a hand wheel 16 is fixedly provided at the top of the second screw rod 15; when the operator rotates the hand wheel 16, the second screw rod 15 rotates accordingly, so that it performs subsequent transmission adjustment work, and the hand wheel 16 provides a more convenient adjustment method for the operator, which is more labor-saving.

[0044] Specifically, Figure 3 and Figure 4As shown, a plurality of limit rods 7 are provided at the bottom of the supporting platform 2, and the adjusting frame 9 is slidably arranged on the plurality of limit rods 7; although the adjusting frame 9 can be limited by the connection between the connecting rod 8 and the clamping block 3, in order to avoid damage to the movable connection part of the connecting rod 8, under the action of the plurality of limit rods 7, a guide path is provided for the adjusting frame 9 to ensure that the adjusting frame 9 can move in a straight line along a predetermined direction when moving, avoid lateral deviation or shaking, and also ensure that each connecting rod 8 will not be affected by the deflection force brought by the adjusting frame 9, thereby ensuring the stability of the connection.

[0045] Based on the above scheme, if Figure 6 As shown, the elastic member includes a slider 17 slidably arranged in the mounting groove 23 and fixedly connected to the fixing rod 4, and a spring 19 arranged in the mounting groove 23, and the spring 19 abuts between the inner side of the mounting groove 23 and the slider 17; when the fixing rod 4 abuts against the side of the workpiece 21 and the adjusting frame 9 is still moving, the fixing rod 4 drives the slider 17 to move in the mounting groove 23, and the slider 17 drives the spring 19 to deform, and when the fixing rod 4 does not move, the clamping block 3 set therein can also move in the clamping groove 22 until all the fixing rods 4 abut against the workpiece 21 and the spring 19 is deformed.

[0046] Secondly, a mounting rod 18 is fixed in the mounting groove 23, and the slider 17 and the spring 19 are both mounted on the mounting rod 18; the slider 17 and the spring 19 can be installed in a limited position through the mounting rod 18, which not only provides a stable support point for the two, but also prevents the spring 19 from twisting or deforming during work.

[0047] Specifically, Figure 2 As shown, the fixing rod 4 is provided with a rubber sleeve 5, and the rubber sleeve 5 abuts against the side of the workpiece 21; when the fixing rod 4 abuts against the side of the workpiece 21, the rubber sleeve 5 directly contacts the workpiece 21, which can play a buffering role, and the rubber sleeve 5 is soft in texture, which can avoid scratches or indentations that may be caused when the fixing rod 4 directly contacts the surface of the workpiece 21. The higher friction coefficient brought by the rubber sleeve 5 can also increase the friction between the fixing rod 4 and the workpiece 21, so that the workpiece 21 is more stable during the processing.

[0048] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solution of the present invention can be modified or replaced by equivalents without departing from the purpose and scope of the technical solution of the present invention, which should be included in the scope of the claims of the present invention.

Claims

1. A curved surface drilling device for agricultural machinery processing, used for drilling a workpiece (21), comprising an integrated drilling machine (1), characterized in that: Also includes: A support platform (2) located on the side of the integrated drilling machine (1) and used for placing the workpiece (21); A plurality of card blocks (3), the bearing platform (2) is provided with a plurality of card slots (22), each of the card blocks (3) is slidably engaged in the plurality of card slots (22), the card block (3) is provided with a mounting slot (23), a fixing rod (4) is slidably provided in the mounting slot (23), and the fixing rod (4) is connected to the inner side of the mounting slot (23) through an elastic member; and The transmission unit comprises a driving member arranged in the supporting platform (2) and a transmission member movably connected to each of the clamping blocks (3), wherein the driving member is in transmission connection with the transmission member and is used to drive each of the clamping blocks (3) to slide along the clamping groove (22), so that each of the fixing rods (4) is close to the workpiece (21) and respectively abuts against the side surface of the workpiece (21) to fix it.

2. A curved surface punching device for agricultural machinery processing according to claim 1, characterized in that: The driving member comprises a fixing frame (10) arranged at the bottom of the bearing platform (2), a first screw (13) rotatably arranged on the fixing frame (10), a mounting plate (24) arranged at the bottom of the bearing platform (2), a worm (11) rotatably arranged on the mounting plate (24), and a driver (6) arranged at the bottom of the bearing platform (2), wherein an output shaft of the driver (6) is connected to the worm (11), a worm wheel (12) is arranged at the bottom of the first screw (13), and the worm wheel (12) is meshed with the worm (11); The transmission member comprises an adjustment frame (9) and a plurality of connecting rods (8) rotatably arranged on both sides of the adjustment frame (9), wherein the plurality of connecting rods (8) are rotatably connected to the corresponding clamping blocks (3) respectively, and the adjustment frame (9) is provided with a connecting member, which is threadedly connected to the first screw rod (13).

3. The curved surface punching device for agricultural machinery processing according to claim 2, characterized in that: The connecting member comprises a threaded plate (14) threadedly connected to the first screw rod (13), a mounting seat (20) arranged at the end of the threaded plate (14), and a second screw rod (15) rotatably arranged on the mounting seat (20), and the adjustment frame (9) is threadedly connected to the second screw rod (15).

4. The curved surface punching device for agricultural machinery processing according to claim 3, characterized in that: A rolling element is provided at one end of the threaded plate (14) close to the fixing frame (10), and the rolling element is in rolling contact with the inner side surface of the fixing frame (10).

5. The curved surface punching device for agricultural machinery processing according to claim 3, characterized in that: A hand wheel (16) is fixedly provided at the top end of the second screw rod (15).

6. A curved surface punching device for agricultural machinery processing according to any one of claims 2 to 5, characterized in that: A plurality of limiting rods (7) are provided at the bottom of the bearing platform (2), and the adjustment frame (9) is slidably arranged on the plurality of limiting rods (7).

7. The curved surface punching device for agricultural machinery processing according to claim 1, characterized in that: The elastic member comprises a slider (17) slidably arranged in the installation groove (23) and fixedly connected to the fixing rod (4), and a spring (19) arranged in the installation groove (23), wherein the spring (19) abuts between the inner side of the installation groove (23) and the slider (17).

8. The curved surface punching device for agricultural machinery processing according to claim 7, characterized in that: A mounting rod (18) is fixedly disposed in the mounting groove (23), and the sliding block (17) and the spring (19) are both sleeved on the mounting rod (18).

9. A curved surface punching device for agricultural machinery processing according to claim 1 or 8, characterized in that: The fixing rod (4) is sleeved with a rubber sleeve (5), and the rubber sleeve (5) abuts against the side surface of the workpiece (21).

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