Multi-hole machining combined clamping mould

Abstract

The utility model relates to the technical field of machining clamps, in particular to a multi-hole machining combined clamping mould. The device comprises a workbench, the workbench is a square plate, a groove is formed in the side wall of the workbench, a plurality of transverse T-shaped grooves and vertical T-shaped grooves which are mutually crossed are formed in the upper end face of the workbench, threaded through holes which are evenly distributed are formed in the upper end face of the workbench and the bottoms of the transverse T-shaped grooves and the bottoms of the vertical T-shaped grooves, and a plurality of T-shaped bolts, a pressing plate and a supporting block are installed on the workbench. A vertically-through through hole is formed in the middle of the pressing plate, the T-shaped bolts comprise sliding blocks and screw rods, the sliding blocks are arranged at the bottoms of the T-shaped bolts, the screw rods are arranged on the upper portions of the T-shaped bolts, the sliding blocks of the T-shaped bolts are arranged in the transverse T-shaped grooves and the vertical T-shaped grooves respectively, the upper portions of the T-shaped bolts penetrate through the through hole of the pressing plate and then are connected with nuts, and one side of the pressing plate is pressed on the supporting block. And the other side of the pressing plate is pressed on the workpiece.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical processing fixtures, in particular to a multi-hole processing combined clamping fixture. Background Art

[0002] During the processing of a workpiece, multiple surfaces of the workpiece need to be processed. In the existing technology, since the shapes of multiple surfaces of some workpieces may be irregular, if each workpiece is clamped by an independent clamping jig, some will be equipped with multiple clamping jigs to clamp the workpiece before processing, which will waste space and the number of clamps on a set of clamping jigs will also be reduced, which is relatively wasteful. Utility Model Content

[0003] In order to reduce the number of clamping jigs equipped when processing a workpiece and lower the processing cost, the utility model provides a multi-hole processing combined clamping jig.

[0004] The technical solution provided by this utility model:

[0005] A multi-hole processing combined clamping jig includes a workbench, which is a square plate with grooves on the side walls of the workbench. The upper end surface of the workbench is provided with a plurality of mutually intersecting transverse T-slots and vertical T-slots. Uniformly distributed threaded through holes are provided on the upper end surface of the workbench and the bottoms of the transverse T-slots and vertical T-slots. The workbench is installed with a plurality of T-bolts, a pressure plate and a support block. A through hole is provided in the middle of the pressure plate which passes through the upper and lower parts. The T-bolt includes a slider and a screw rod. The bottom of the T-bolt is a slider, and the upper part of the T-bolt is a screw rod. The sliders of the plurality of T-bolts are respectively in the transverse T-slot and the vertical T-slot. The upper part of the T-bolt passes through the through hole of the pressure plate and is connected to a nut. One side of the pressure plate is pressed on the support block, and the other side of the pressure plate is pressed on the workpiece.

[0006] The workbench is provided with a clamping assembly and a positioning assembly, the clamping assembly includes an L-shaped positioning plate, the bottom of the positioning plate is horizontal, the upper part of the positioning plate is vertically upward, the bottom of the positioning plate is on the upper surface of the workbench, the bolt passes through the bottom of the positioning plate and enters the threaded through hole, the bottom of the bolt is threadedly connected to the threaded through hole, the lead screw passes through the upper part of the positioning plate, the positioning plate is threadedly connected to the lead screw, one end of the lead screw is fixedly connected to the hexagonal head, the other end of the lead screw is a positioning shaft, and the positioning shaft is slidably plugged into one end of the adapter block; the other end of the adapter block is rotatably connected to the chuck, and the adapter block and the chuck are rotatably connected through a pin shaft, the pin shaft is arranged in a vertical direction, the pin shaft passes through one end of the adapter block and one end of the chuck, one end of the adapter block and one end of the chuck are plugged into each other, and the chuck is V-shaped;

[0007] The positioning assembly includes a positioning column, the lower part of the positioning column is threadedly connected to the threaded through hole, the upper part of the positioning column is fixedly connected to the step shaft, the diameter of the step shaft is smaller than the positioning column, the positioning sleeve is sleeved on the step shaft, the positioning sleeve and the step shaft are clearance-matched, the step shaft is sleeved on the clamping plate on the upper part of the positioning sleeve, the nut is threadedly sleeved on the upper part of the step shaft, the nut is on the upper part of the clamping plate, and the nut is tightly pressed against the upper part of the clamping plate.

[0008] The pressure plate includes a front pressure plate and a rear pressure plate. One end of the front pressure plate and the rear pressure plate are plugged into each other, the rear pressure plate is pressed on the support block, and the front pressure plate is pressed on the workpiece. One side of the front pressure plate is a square column, and one side of the rear pressure plate is provided with a square countersunk hole. The square column and the square countersunk hole are slidably plugged into the square countersunk hole. A permanent magnet piece A is embedded in the square countersunk hole of the rear pressure plate, and the permanent magnet piece A is magnetically attracted to the square column. A step is provided at the bottom of the other side of the front pressure plate to form a stop and a pressing surface. The bottom of the other side of the rear pressure plate is a circular arc surface, which is pressed against the upper part of the support block.

[0009] A permanent magnet piece B is embedded in the countersunk hole of the adapter block, and the permanent magnet piece B is magnetically attracted to the positioning shaft.

[0010] The bottom of the positioning plate has two long holes, and the bolts pass through the long holes and enter the threaded through holes. The bolts are threadedly connected to the threaded through holes. The two long holes correspond to two adjacent threaded through holes in the horizontal or vertical direction on the workbench.

[0011] The beneficial effects of the present invention are as follows: by arranging a plurality of mutually intersecting transverse T-slots, vertical T-slots and evenly distributed threaded through holes on the workbench, the workpiece can be pressed against the workbench in any direction through the pressure plate and T-bolts, and the pressing height is adjustable. At the same time, the clamping assembly is used to limit any side of the workpiece to achieve the positioning requirements of different working procedures. The chuck that can be rotated horizontally and left and right can adapt to workpieces of various shapes, and it also has a positioning assembly for processing gears. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Attachment Figure 1 It is a structural diagram of the utility model;

[0013] Attachment Figure 2 It is attached Figure 1 AA cross-section of

[0014] Attachment Figure 3 It is attached Figure 1 BB cross-section diagram;

[0015] Attachment Figure 4 It is attached Figure 2 Enlarged view of point C;

[0016] Attachment Figure 5 It is attached Figure 3 This is an enlarged view of point D.

[0017] In the figure: 1-workbench, 2-horizontal T-slot, 3-vertical T-slot, 4-support block, 5-pressure plate, 51-rear pressure plate, 511-arc surface, 52-front pressure plate, 521-square column, 522-stop, 523-pressing surface, 53-permanent magnet sheet A, 6-T-bolt, 7-clamping assembly, 71-positioning plate, 711-long hole, 72-screw, 721-positioning shaft, 73-adapter block, 74-pin shaft, 75-chuck, 76-permanent magnet sheet B, 8-positioning assembly, 81-positioning column, 82-step shaft, 83-positioning sleeve, 84-pressure plate, 9-threaded through hole. DETAILED DESCRIPTION

[0018] like Figures 1 to 5 As shown, a multi-hole processing combined clamping jig includes a workbench 1, which is a square plate with grooves on the side walls of the workbench 1. The upper end surface of the workbench 1 is provided with a plurality of mutually intersecting transverse T-slots 2 and vertical T-slots 3. Uniformly distributed threaded through holes 9 are provided on the upper end surface of the workbench 1, the bottoms of the transverse T-slots 2 and the vertical T-slots 3. A plurality of T-bolts 6, a pressure plate 5 and a support block 4 are installed on the workbench 1. A through hole is provided in the middle of the pressure plate 5 which passes through the upper and lower parts. The T-bolt 6 includes a slider and a screw rod. The bottom of the T-bolt 6 is a slider, and the upper part of the T-bolt 6 is a screw rod. The sliders of the plurality of T-bolts 6 are respectively in the transverse T-slot 2 and the vertical T-slot 3. The upper part of the T-bolt 6 passes through the through hole of the pressure plate 5 and is connected to a nut. One side of the pressure plate 5 is pressed on the support block 4, and the other side of the pressure plate 5 is pressed on the workpiece.

[0019] When the bolt 71 is in the state of being rotated, the bolt 71 is in the state of being rotated, and the bolt 71 is in the state of being rotated.

[0020] The positioning assembly 8 includes a positioning column 81, the lower part of the positioning column 81 is threadedly connected to the threaded through hole 9, the upper part of the positioning column 81 is fixedly connected to the step shaft 82, the diameter of the step shaft 82 is smaller than the positioning column 81, the positioning sleeve 83 is sleeved on the step shaft 82, the positioning sleeve 83 and the step shaft 82 are clearance-fitted, the step shaft 82 is sleeved on the clamping plate 84 on the upper part of the positioning sleeve 83, the nut is threadedly sleeved on the upper part of the step shaft 82, the nut is on the upper part of the clamping plate 84, and the nut is tightly pressed against the upper part of the clamping plate 84.

[0021] The pressure plate 5 includes two parts, a front pressure plate 52 and a rear pressure plate 51. One end of the front pressure plate 52 and the rear pressure plate 51 are plugged into each other, the rear pressure plate 51 is pressed on the support block 4, and the front pressure plate 52 is pressed on the workpiece. One side of the front pressure plate 52 is a square column 521, and one side of the rear pressure plate 51 is provided with a square countersunk hole. The square column 521 is slidably plugged into the square countersunk hole. A permanent magnet piece A53 is embedded in the square countersunk hole of the rear pressure plate 51, and the permanent magnet piece A53 is magnetically attracted to the square column 521. A step is provided at the bottom of the other side of the front pressure plate 52 to form a stop 522 and a pressing surface 523. The bottom of the other side of the rear pressure plate 51 is a circular arc surface 511, and the circular arc surface 511 is pressed against the upper part of the support block 4.

[0022] A permanent magnet piece B76 is embedded in the countersunk hole of the adapter block 73 , and the permanent magnet piece B76 is magnetically attracted to the positioning shaft 721 .

[0023] The bottom of the positioning plate 71 has two long holes 711 , and the bolts pass through the long holes 711 and enter the threaded through holes 9 . The bolts are threadedly connected to the threaded through holes 9 . The two long holes 711 correspond to two adjacent threaded through holes 9 in the horizontal or vertical direction on the workbench 1 .

[0024] A permanent magnet piece B76 is embedded in the countersunk hole of the adapter block 73 . In the absence of external force, the adapter block 73 will not be detached from the positioning shaft 721 .

[0025] The holes of the positioning plate 71 for passing the bolts are two long holes 711. The distance between the two long holes 711 covers two adjacent threaded through holes 9 in any direction on the workbench 1. The positioning plate can be installed and clamped in all directions.

[0026] By arranging a number of mutually intersecting horizontal T-slots 2, vertical T-slots 3 and evenly distributed threaded through holes 9 on the workbench 1, the workpiece can be pressed against the workbench 1 in any direction through the pressure plate 5 and T-bolts 6. The pressing height is adjustable. At the same time, the clamping assembly 7 is used to limit the position of any side of the workpiece to achieve the positioning requirements of different processes. The chuck 75 that can rotate horizontally and left and right can adapt to workpieces of various shapes, and it also has a positioning assembly 8 for processing gears.

Claims

1. A multi-hole processing combined clamping jig, comprising a workbench (1), characterized in that: The workbench (1) is a square plate, the side wall of the workbench (1) is grooved, the upper end surface of the workbench (1) is provided with a plurality of mutually intersecting transverse T-slots (2) and vertical T-slots (3), the upper end surface of the workbench (1), the bottom of the transverse T-slots (2) and the vertical T-slots (3) are provided with uniformly distributed threaded through holes (9), the workbench (1) is provided with a plurality of T-bolts (6), a pressure plate (5) and a support block (4), the middle of the pressure plate (5) is provided with a plurality of T-bolts (6), a pressure plate (5) and a support block (4), and the middle of the pressure plate (5) is provided with a plurality of T-bolts (6), a pressure plate (5) and a support block (4). A through hole is provided which passes through the upper and lower parts, and the T-bolt (6) includes a slider and a screw rod. The bottom of the T-bolt (6) is the slider, and the upper part of the T-bolt (6) is the screw rod. The sliders of the plurality of T-bolts (6) are respectively in the transverse T-slot (2) and the vertical T-slot (3). The upper part of the T-bolt (6) passes through the through hole of the pressure plate (5) and is connected to a nut. One side of the pressure plate (5) is pressed on the support block (4), and the other side of the pressure plate (5) is pressed on the workpiece. A clamping assembly (7) and a positioning assembly (8) are provided on the workbench (1). The clamping assembly (7) includes an L-shaped positioning plate (71). The bottom of the positioning plate (71) is horizontal, the upper portion of the positioning plate (71) is vertically upward, and the bottom of the positioning plate (71) is on the upper surface of the workbench (1). A bolt passes through the bottom of the positioning plate (71) and enters into the threaded through hole (9). The bottom of the bolt is threadedly connected to the threaded through hole (9). A lead screw (72) passes through the upper portion of the positioning plate (71). The positioning plate (71) is threadedly connected to the lead screw (72). One end of the lead screw (72) The hexagonal head is fixedly connected, and the other end of the lead screw (72) is a positioning shaft (721), and the positioning shaft (721) is slidably plugged into one end of the adapter block (73); the other end of the adapter block (73) is rotatably connected to the chuck (75), and the adapter block (73) and the chuck (75) are rotatably connected through a pin shaft (74), and the pin shaft (74) is arranged in a vertical direction. The pin shaft (74) passes through one end of the adapter block (73) and one end of the chuck (75), and one end of the adapter block (73) and one end of the chuck (75) are plugged into each other, and the chuck (75) is V-shaped; The positioning assembly (8) includes a positioning column (81), the lower portion of the positioning column (81) is threadedly connected to the threaded through hole (9), the upper portion of the positioning column (81) is fixedly connected to the step shaft (82), the diameter of the step shaft (82) is smaller than that of the positioning column (81), the positioning sleeve (83) is sleeved on the step shaft (82), the positioning sleeve (83) and the step shaft (82) are clearance-matched, the step shaft (82) is sleeved on the upper portion of the positioning sleeve (83) with a compression plate (84), the nut is threadedly sleeved on the upper portion of the step shaft (82), the nut is on the upper portion of the compression plate (84), and the nut is tightly pressed against the upper portion of the compression plate (84).

2. The multi-hole machining combined clamping jig according to claim 1, characterized in that: The pressing plate (5) comprises a front pressing plate (52) and a rear pressing plate (51). One end of the front pressing plate (52) and the rear pressing plate (51) are plugged into each other. The rear pressing plate (51) is pressed on the support block (4). The front pressing plate (52) is pressed on the workpiece. One side of the front pressing plate (52) is a square column (521). One side of the rear pressing plate (51) is provided with a square countersunk hole. The square column (521) is slidably plugged into the square countersunk hole. A permanent magnet piece A (53) is embedded in the square countersunk hole of the rear pressing plate (51). The permanent magnet piece A (53) is magnetically attracted to the square column (521). A step is provided at the bottom of the other side of the front pressing plate (52) to form a stop (522) and a pressing surface (523). The bottom of the other side of the rear pressing plate (51) is a circular arc surface (511). The circular arc surface (511) is tightly pressed against the upper part of the support block (4).

3. The multi-hole machining combined clamping jig according to claim 1, characterized in that: A permanent magnet piece B (76) is embedded in the countersunk hole of the adapter block (73), and the permanent magnet piece B (76) is magnetically attracted to the positioning shaft (721).

4. The multi-hole machining combined clamping jig according to claim 1, characterized in that: The bottom of the positioning plate (71) has two long holes (711), and the bolts pass through the long holes (711) and enter the threaded through holes (9). The bolts are threadedly connected to the threaded through holes (9), and the two long holes (711) correspond to two adjacent threaded through holes (9) in the horizontal or longitudinal direction on the workbench (1).

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