Drilling clamp for sheet metal part machining

Abstract

The drilling clamp for sheet metal part machining comprises a workbench, a plurality of evenly-distributed supporting legs are arranged on the lower surface of the workbench, two door plates which are symmetrically distributed front and back are rotationally arranged on the left side and the right side of the workbench respectively, and a plurality of evenly-distributed guide sliding grooves are formed in the upper surface of the workbench. A clamping seat is slidably arranged between every two front-back adjacent guide sliding grooves, first clamping plates are arranged in the middles of the opposite inner side faces of the two clamping seats, two sliding grooves which are symmetrically distributed in the front-back direction are formed in the opposite inner side faces of the two clamping seats, and second clamping plates and upper and lower limiting modules are slidably arranged in the sliding grooves. By means of the drilling clamp for machining the sheet metal part, the sheet metal part can be clamped in the left-right direction, the front-back direction and the up-down direction, the sheet metal part can be effectively prevented from moving in the drilling process of the sheet metal part, and displacement of the sheet metal part caused by vibration can be effectively avoided.

Description

TECHNICAL FIELD

[0001] The utility model belongs to sheet metal part processing technical field, especially relate to a drilling clamp for sheet metal part processing. BACKGROUND

[0002] Sheet metal part processing refers to the process that metal plate is processed into required shape and size parts or components through a series of processes, and the sheet metal processing is widely used in automobile manufacturing, aerospace, mechanical equipment, electrical manufacturing and many other fields, and the sheet metal part processing involves various processes, including but not limited to shearing, bending, stamping, welding, laser cutting and the like.

[0003] In the process of drilling the sheet metal part, the personnel places the sheet metal part needing drilling on the drilling clamp, controls the motor on the drilling clamp to run, so that the output shaft of the motor drives the bidirectional screw rod connected with the output shaft to rotate, and then drives the clamping seats on the two sides to move towards each other, so that the clamping seats clamp and fix the sheet metal part needing drilling, but in the actual drilling process, since the fixing direction of the sheet metal part is single, when the rotating drill bit drills the sheet metal part, the rotation of the drill bit will drive the sheet metal part to vibrate to a certain extent, and the sheet metal part may deviate to a certain extent under the action of vibration, and then the processing precision of the sheet metal part may be affected. UTILITARY MODEL CONTENTS

[0004] Therefore, the utility model provides a drilling clamp for sheet metal part processing, which can clamp the sheet metal part in left-right, front-rear and up-down directions, can effectively avoid the movement of the sheet metal part in the process of drilling the sheet metal part, and can effectively avoid the displacement of the sheet metal part caused by vibration.

[0005] To solve the above technical problems, the utility model adopts the technical scheme of a drilling clamp for sheet metal part processing, which comprises a workbench, the lower surface of the workbench is provided with a plurality of uniformly distributed supporting legs, the left and right sides of the workbench are rotatably provided with two front-rear symmetrically distributed door plates, the upper surface of the workbench is provided with a plurality of uniformly distributed guide sliding grooves, the two guide sliding grooves adjacent in front and back are slidably provided with clamping seats, the middle part of the opposite inner side surface of the two clamping seats is provided with a clamping plate one, the opposite inner side surface of the two clamping seats is provided with two front-rear symmetrically distributed sliding grooves, the inside of the sliding groove is slidably provided with a clamping plate two, and the clamping seat is further provided with an up-down limiting module for limiting the sheet metal part in up-down direction; the side of the clamping plate one and the clamping plate two close to the vertical center of the workbench is adhesively fixed with a rubber plate.

[0006] As a further improvement of the present invention, a plurality of evenly distributed supports are provided on the upper inner side of the workbench, and an adjusting screw rod is respectively rotatably provided between the side of the support rod away from the vertical center of the workbench and the inner wall of the workbench, and the adjusting screw rod is respectively threadedly connected to the adjacent clamping seat, and a dual-axis motor is provided between the two adjacent supports on the left and right, and the output shafts of the dual-axis motor are respectively fixed to the adjacent adjusting screw rods through couplings.

[0007] As a further improvement of the present invention, two supports 2 are symmetrically distributed front and back inside the clamping seat. An adjusting screw 2 is rotatably arranged between the side of the support 2 away from the vertical center of the clamping seat and the inner wall of the clamping seat. The adjusting screw 2 is respectively threadedly connected to the adjacent clamping plate 2. A dual-axis motor 2 is arranged in the middle part of the interior of the clamping seat. The output shafts of the dual-axis motor 2 are respectively fixed to the adjacent adjusting screw 2 through a coupling.

[0008] As a further improvement of the present invention, the upper and lower limit modules include a pillar welded and fixed in the middle of the upper surface of the clamping seat, a mounting seat is provided at the top of the pillar, a rotating shaft is rotatably provided on the inner lower side of the mounting seat, a rotating frame is fixedly provided on the outer arc surface of the rotating shaft, a clamping block is provided at the middle of the bottom end of the rotating frame, and an electric control unit for driving the rotating shaft to rotate is also provided on the mounting seat; the electric control unit includes a worm gear fixedly provided in the middle of the outer arc surface of the rotating shaft, a worm is rotatably provided on the inner upper side of the mounting seat, and the worms are respectively meshed with adjacent worm gears, and a drive motor is provided on the side of the mounting seat away from the vertical center of the workbench, and the output shafts of the drive motors are respectively fixed to adjacent worm gears through couplings; a control panel is provided on the front side of the workbench, and the dual-axis motor 1, the dual-axis motor 2 and the drive motor are all electrically connected to the control panel.

[0009] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0010] First, the operation of the dual-axis motor is controlled by the control panel, so that the two dual-axis motors run synchronously, so that the clamping seats on the left and right sides drive the clamping plates to move towards each other, and clamp the sheet metal parts on the left and right.

[0011] Secondly, the operation of the dual-axis motor 2 is controlled by the control panel, and the threaded relationship between the screw rod 2 and the clamping plate 2 is adjusted to drive the front and rear clamping plates 2 to move closer together, so that the front and rear clamping plates 2 can clamp the sheet metal parts front and back.

[0012] Third, the operation of the drive motors on the left and right sides is controlled by the control panel, so that the rotating frame drives the clamping block downward to clamp the sheet metal parts up and down; through the cooperation of the dual-axis motor 1, the dual-axis motor 2 and the drive motor, the sheet metal parts can be clamped in the left and right, front and back, and up and down directions, which can effectively prevent the sheet metal parts from moving during the drilling process.

[0013] Fourthly, the rubber plate bonded and fixed by the first and second clamping plates near the vertical center of the workbench can make the sheet metal parts flexibly contact with the first and second clamping plates, thereby effectively avoiding wear of the sheet metal parts due to clamping during the drilling process of the sheet metal parts. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The present invention will be further described in detail below with reference to the accompanying drawings and specific implementation methods.

[0015] Figure 1 It is a structural diagram of the utility model;

[0016] Figure 2 This is a schematic diagram of the internal cross-sectional structure of the present invention;

[0017] Figure 3 This is an enlarged structural diagram of point A of the present utility model;

[0018] Figure 4 It is a schematic diagram of the internal planar structure of the present utility model.

[0019] In the figure: 101, workbench; 102, support leg; 103, door panel; 104, guide slide; 105, clamping seat; 106, splint 1; 107, splint 2; 108, rubber sheet; 109, support 1; 110, adjusting screw 1; 111, dual-axis motor 1; 112, support 2; 113, adjusting screw 2; 114, dual-axis motor 2; 201, pillar; 202, mounting seat; 203, rotating shaft; 204, rotating frame; 205, clamping block; 206, worm gear; 207, worm; 208, driving motor; 301, control panel. DETAILED DESCRIPTION

[0020] To better understand the present invention, the following examples further illustrate the present invention. However, the present invention is not limited to the following examples. In the following description, numerous specific details are provided to provide a more thorough understanding of the present invention. However, it is obvious to those skilled in the art that the present invention can be practiced without one or more of these details.

[0021] like Figure 1 、 2As shown in Figure 4, it includes a workbench 101, and a plurality of evenly distributed supporting legs 102 are provided on the lower surface of the workbench 101. Two door panels 103 symmetrically distributed front and back are rotatably provided on the left and right sides of the workbench 101. A plurality of evenly distributed guide slots 104 are provided on the upper surface of the workbench 101. A clamping seat 105 is slidably provided between two adjacent guide slots 104. A splint 106 is provided on the middle parts of the relative inner sides of the two clamping seats 105. Two sliding grooves symmetrically distributed front and back are provided on the relative inner sides of the two clamping seats 105. Splint 2 107 is slidably provided inside the sliding grooves. The clamping seat 105 is also provided with an upper and lower limit module for limiting the upper and lower positions of the sheet metal parts.

[0022] like Figure 1 、 2 As shown in FIG4 , a plurality of evenly distributed supports 109 are provided on the inner upper side of the workbench 101. An adjusting screw 110 is provided on each side of the support 109 away from the vertical center of the workbench 101 and is rotated with the inner wall of the workbench 101. The adjusting screw 110 is respectively threadedly connected to the adjacent clamping seat 105. A dual-axis motor 111 is provided between the two adjacent supports 109 on the left and right. The output shafts of the dual-axis motor 111 are respectively connected to the adjacent adjusting screw 110 through The clamping seat 105 is fixed with a coupling; the interior of the clamping seat 105 is provided with two supports 112 symmetrically distributed front and back, and an adjusting screw 113 is rotatably provided between the side of the support 112 away from the vertical center of the clamping seat 105 and the inner wall of the clamping seat 105. The adjusting screw 113 is respectively threadedly connected to the adjacent clamping plate 107, and a dual-axis motor 114 is provided in the middle of the interior of the clamping seat 105. The output shafts of the dual-axis motor 114 are respectively fixed to the adjacent adjusting screw 113 through couplings.

[0023] like Figure 2 、 3 As shown in , 4, the upper and lower limit modules include a pillar 201 welded and fixed to the middle part of the upper surface of the clamping seat 105, a mounting seat 202 is provided at the top of the pillar 201, a rotating shaft 203 is rotatably provided on the inner lower side of the mounting seat 202, and a rotating frame 204 is fixedly sleeved on the outer arc surface of the rotating shaft 203, and a clamping block 205 is provided at the middle part of the bottom end of the rotating frame 204. An electric control unit for driving the rotating shaft 203 to rotate is also provided on the mounting seat 202; the electric control unit includes a worm gear 206 fixedly sleeved on the middle part of the outer arc surface of the rotating shaft 203, a worm 207 is rotatably provided on the inner upper side of the mounting seat 202, and the worm 207 is respectively engaged with the adjacent worm gear 206, and a drive motor 208 is provided on the side of the mounting seat 202 away from the vertical center of the workbench 101, and the output shaft of the drive motor 208 is fixed to the adjacent worm 207 by a coupling.

[0024] like Figure 1 、2 As shown in FIG. 4 , a control panel 301 is provided on the front side of the workbench 101 , and the dual-axis motor 1 111 , the dual-axis motor 2 114 and the drive motor 208 are all electrically connected to the control panel 301 .

[0025] When it is necessary to drill a hole in a sheet metal part, the personnel places the sheet metal part to be drilled on the middle of the upper surface of the workbench 101, and controls the operation of the dual-axis motor 111 through the control panel 301, so that the two dual-axis motors 111 run synchronously, so that the output shaft of the dual-axis motor 111 drives the adjusting screw rod 110 connected thereto to rotate, and then drives the clamping seats 105 on the left and right sides to move closer together by adjusting the threaded relationship between the screw rod 110 and the clamping seat 105, so that the clamping seats 105 on the left and right sides drive the clamping plate 106 to move closer together, and clamp the sheet metal part left and right; controls the operation of the dual-axis motor 2 114 through the control panel 301, so that the output shaft of the dual-axis motor 2 114 drives the adjusting screw rod 2 113 connected thereto to rotate, and then drives the clamping plates 106 on the front and rear sides to move closer together by adjusting the threaded relationship between the screw rod 2 113 and the clamping plate 2 107. 07 move towards each other, so that the clamping plates 207 on the front and rear sides clamp the sheet metal part front and back; the operation of the drive motors 208 on the left and right sides is regulated by the control panel 301, so that the output shaft of the drive motor 208 drives the worm 207 connected to it to rotate, and then drives the worm wheel 206 to rotate through the meshing relationship between the worm 207 and the worm wheel 206, so that the worm wheel 206 drives the rotating shaft 203 to rotate, and then drives the rotating frame 204 to rotate through the rotating shaft 203, so that the rotating frame 204 drives the clamping block 205 to rotate downward, so that the rotating frame 204 drives the clamping block 205 downward to clamp the sheet metal part up and down; through the cooperation of the dual-axis motor 1 111, the dual-axis motor 2 114 and the drive motor 208, the sheet metal part can be clamped in the left and right, front and back, and up and down directions, and the movement of the sheet metal part can be effectively avoided during the drilling process of the sheet metal part.

[0026] According to another embodiment of the present invention, Figure 1 、 2 As shown in FIG3 , a rubber sheet 108 is bonded and fixed to one side of each of the first and second clamping plates 106 and 107 near the vertical center of the workbench 101. During the drilling process of the sheet metal, the rubber sheet 108 bonded and fixed to the first and second clamping plates 106 and 107 near the vertical center of the workbench 101 effectively prevents wear of the sheet metal due to clamping.

[0027] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model and are not limiting. Other modifications or equivalent substitutions made to the technical solution of the utility model by ordinary technicians in this field should be included in the scope of the claims of the utility model as long as they do not depart from the spirit and scope of the technical solution of the utility model.

Claims

1. A drilling fixture for sheet metal processing, comprising a workbench (101), wherein the lower surface of the workbench (101) is provided with a plurality of evenly distributed legs (102), and two door panels (103) symmetrically distributed front and back are rotatably provided on both left and right sides of the workbench (101), characterized in that: The upper surface of the workbench (101) is provided with a plurality of evenly distributed guide grooves (104), and a clamping seat (105) is slidably arranged between two adjacent guide grooves (104) in front and back. A clamping plate (106) is arranged in the middle of the relative inner side surfaces of the two clamping seats (105). The relative inner side surfaces of the two clamping seats (105) are provided with two sliding grooves symmetrically distributed in the front and back, and a clamping plate (107) is slidably arranged inside the sliding grooves. The clamping seat (105) is also provided with an upper and lower limit module for limiting the upper and lower positions of the sheet metal parts.

2. The sheet metal processing drilling fixture according to claim 1, characterized in that: A plurality of evenly distributed supports (109) are provided on the inner upper side of the workbench (101), and an adjusting screw (110) is rotatably provided between each side of the support (109) away from the vertical center of the workbench (101) and the inner wall of the workbench (101), and the adjusting screw (110) is respectively threadedly connected to the adjacent clamping seat (105), and a double-axis motor (111) is provided between two adjacent supports (109) on the left and right, and the output shafts of the double-axis motor (111) are respectively fixed to the adjacent adjusting screw (110) through a coupling.

3. The sheet metal processing drilling fixture according to claim 2, characterized in that: The interior of the clamping seat (105) is provided with two supports (112) symmetrically distributed front and back, and an adjusting screw (113) is rotatably provided between the side of the support (112) away from the vertical center of the clamping seat (105) and the inner wall of the clamping seat (105), and the adjusting screw (113) is respectively threadedly connected to the adjacent clamping plate (107). A dual-axis motor (114) is provided in the middle of the interior of the clamping seat (105), and the output shafts of the dual-axis motor (114) are respectively fixed to the adjacent adjusting screws (113) through couplings.

4. The sheet metal processing drilling fixture according to claim 3, wherein: The upper and lower limit modules include a support (201) welded and fixed to the middle part of the upper surface of the clamping seat (105), a mounting seat (202) is provided at the top end of the support (201), a rotating shaft (203) is rotatably provided on the lower side of the mounting seat (202), a rotating frame (204) is fixedly provided on the outer arc surface of the rotating shaft (203), a clamping block (205) is provided at the middle part of the bottom end of the rotating frame (204), and an electric control unit for driving the rotating shaft (203) to rotate is also provided on the mounting seat (202).

5. The sheet metal processing drilling fixture according to claim 4, characterized in that: The electric control unit comprises a worm gear (206) fixedly sleeved on the middle part of the outer arc surface of the rotating shaft (203); a worm (207) is rotatably provided on the inner upper side of the mounting seat (202); the worms (207) are respectively engaged with adjacent worm gears (206); a driving motor (208) is provided on the side of the mounting seat (202) away from the vertical center of the workbench (101); and the output shafts of the driving motors (208) are respectively fixed to the adjacent worms (207) via couplings.

6. The sheet metal processing drilling fixture according to claim 5, characterized in that: A control panel (301) is provided on the front side of the workbench (101), and the first dual-axis motor (111), the second dual-axis motor (114) and the driving motor (208) are all electrically connected to the control panel (301).

7. The sheet metal processing drilling fixture according to claim 1, wherein: A rubber plate (108) is bonded and fixed to one side of the first clamping plate (106) and the second clamping plate (107) close to the vertical center of the workbench (101).

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