CN209902636U

CN209902636U - Clamp arm clamping machining tool

Info

Publication number: CN209902636U
Application number: CN201920500671.2U
Authority: CN
Inventors: 蔡国庆; 刁守力; 李洛洛
Original assignee: Nanjing Ningqing CNC Machine Tool Manufacture Co Ltd
Current assignee: Hunan Ningqing Aerospace Intelligent Equipment Co., Ltd
Priority date: 2019-04-12
Filing date: 2019-04-12
Publication date: 2020-01-07
Anticipated expiration: 2029-04-12

Abstract

The utility model discloses a tong arm centre gripping processing frock uses in tong arm processing field, and its technical scheme main points are: the clamping mechanism is arranged on the sliding table and used for fixing a workpiece, and a driving piece for driving the sliding table to move is arranged on the base; a clamping mechanism: the workpiece clamping device comprises a placing table and a pressing block, wherein a workpiece is clamped between the placing table and the pressing block, and a working hole for a drill bit to pass through is formed in the pressing block; has the technical effects that: the workpiece can be quickly and conveniently moved to each station for processing under the condition of not clamping the workpiece again, and the working efficiency is improved.

Description

Clamp arm clamping machining tool

Technical Field

The utility model relates to a tong arm processing field, in particular to tong arm centre gripping processing frock.

Background

At present, when a machine tool is used for machining a clamp arm as shown in fig. 6, an end face needs to be milled at a through hole of the clamp arm, and the end face is generally milled for multiple times by using different milling cutters matched with different milling speeds so as to achieve the roughness required by the process.

The clamp arm needs to move to a plurality of machining stations for machining, and a common machine tool is not provided with a corresponding moving mechanism, so that an operator needs to clamp a drill bit to different stations of the machine tool for multiple times to realize station conversion, and machining is finished. The mode has higher requirement on the tool setting precision of an operator, and has the disadvantages of time consumption and low efficiency, so that the clamp arm clamping and processing tool capable of automatically changing stations is urgently needed in the industry.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a tong arm centre gripping processing frock, its advantage: the workpiece can be quickly and conveniently moved to each station for processing under the condition of not clamping the workpiece again, and the working efficiency is improved.

The above technical purpose of the present invention can be achieved by the following technical solutions: a clamp arm clamping machining tool comprises a base arranged on a drilling machine, a sliding table connected to the base in a sliding mode and a clamping mechanism arranged on the sliding table and used for fixing a workpiece, wherein a driving piece for driving the sliding table to move is arranged on the base; a clamping mechanism: the workpiece is clamped between the placing table and the pressing block, and a working hole for a drill bit to pass through is formed in the pressing block.

Through the technical scheme, when a workpiece needs to be drilled or milled, an operator can clamp the workpiece through the clamping mechanism at first, then the first cutter penetrates through the working hole in the compression block to process the workpiece, after the first procedure is completed, the driving piece work driving placing table moves for a certain distance and is located below the second cutter, at the moment, the second cutter penetrates through the working hole in the compression block and processes the workpiece, and therefore under the condition that the workpiece is not clamped again, the workpiece can be rapidly and conveniently processed in multiple procedures.

The utility model discloses further set up to: the placing table is connected with the sliding table through a vertical plate, a hydraulic cylinder is arranged on one side, deviating from the pressing block, of the placing table, the output end of the hydraulic cylinder is connected with a tension rod, and one end of the tension rod penetrates through the placing table and is connected with the pressing block.

Through above-mentioned technical scheme, the pneumatic cylinder during operation, drive compact heap that can be quick removes towards placing the platform to press from both sides the work piece and tightly placing the bench, reduce the possibility that the work piece removed.

The utility model discloses further set up to: the placing table is provided with a bearing block, and the bearing block is provided with a positioning column matched with the through hole in the clamp arm.

Through the technical scheme, the positioning column can play a centering role on the clamp arm, so that the possibility that the clamp arm moves on the bearing block is reduced, and the accuracy of the cutter on the clamp arm machining hole position is improved.

The utility model discloses further set up to: a plurality of first waist-shaped grooves are formed in the bearing block, and first fixing bolts which penetrate through the waist-shaped grooves and are in threaded connection with the placing table are arranged on the bearing block.

Through above-mentioned technical scheme, first fixing bolt threaded connection places on the platform, therefore the operator can be through removing the position that the carrier block comes the fine setting work piece, then screw up first fixing bolt alright with the position of fixed carrier block to place the predetermined processing position with the work piece in.

The utility model discloses further set up to: the sliding table is provided with adjusting seats along two sides of the length direction of the placing table, the adjusting seats are connected with adjusting bolts in a rotating mode, and threaded holes matched with the adjusting bolts are formed in the vertical plates.

Through above-mentioned technical scheme, when the operator rotated adjusting bolt, adjusting bolt can move along the length direction who places the platform through the cooperation drive riser with the screw hole to realize the fine setting of carrier block, so that place the work piece in predetermined processing position.

The utility model discloses further set up to: the adjusting seat is provided with a groove, the adjusting bolt is fixedly provided with a rotating sleeve, two ends of the rotating sleeve are provided with baffles, the rotating sleeve is placed in the groove, and the two baffles are respectively abutted against two sides of the adjusting seat.

Through above-mentioned technical scheme, adjusting bolt can realize rotating in the recess through rotating the cover to when needing to be changed or dismantling, the operator with adjusting bolt directly from the recess in upwards take out can, installation, dismantlement process are simple and convenient.

The utility model discloses further set up to: the tensioning rod is provided with two tensioning rods along the length direction of the placing table, the placing table is provided with a guide ring, the inner edge of the guide ring is matched with the outer edge of the tensioning rod, and the outer edge of the guide ring is provided with notches matched with the two sides of the bearing block.

Through above-mentioned technical scheme, the guide ring can play a guide effect to the tightening rod on the one hand, reduces the tightening rod and removes the possibility that the in-process produced the skew along vertical direction, and the incision on the other hand guide ring can play a guide effect to the removal of carrier block for the removal of work piece is more accurate, reduces machining error.

The utility model discloses further set up to: the liquid receiving box is arranged on the placing table, a ring opening is formed in the bottom of the liquid receiving box, and the wall of the ring opening is connected with the outer edge of the placing table in a sealing mode.

Through above-mentioned technical scheme, connect the liquid box and can connect and get the work piece when processing, the lathe is to the coolant liquid of work piece spun to reduce the possibility that the coolant liquid splashes, so that this part of coolant liquid of quick convenient collection, recycle of operator.

The utility model discloses further set up to: the liquid receiving box is connected with a liquid discharging pipeline, the bottom of the liquid receiving box is arc-shaped, a liquid guiding groove is formed in the edge of the bottom of the liquid receiving box, and the liquid discharging pipeline is communicated with the liquid guiding groove.

Through above-mentioned technical scheme, the coolant liquid can connect the quick inflow drain tank in liquid box bottom along the curved, then discharge through the flowing back pipeline with drain tank intercommunication to automatic convenient collection coolant liquid reduces the coolant liquid and spills over the possibility of connecing the liquid box.

The utility model discloses further set up to: the driving piece comprises a driving oil cylinder fixedly connected to the base, the output end of the driving oil cylinder is connected to the sliding table, and limiting plates are arranged on the base along the two sides of the moving direction of the sliding table.

Through above-mentioned technical scheme, the drive slip table that the drive hydro-cylinder during operation can be quick removes on the base, conflicts with the limiting plate until the slip table, and when the slip table was contradicted with two limiting plates respectively, then the slip table was located the below of two cutters respectively to automatic, accurate location to the work piece, the quick work piece of processing to the cutter of being convenient for.

To sum up, the utility model discloses following beneficial effect has:

1. the driving oil cylinder can drive the bearing platform to move, so that the processing of a plurality of working procedures on the workpiece can be quickly and conveniently completed under the condition of not re-clamping the workpiece;

2. the guide ring can play a guide effect to the tightening rod on the one hand, reduces the possibility that the tightening rod produces the skew along vertical direction removal in-process, and the incision on the other hand guide ring can play a guide effect to the removal of carrier block for the removal of work piece is more accurate, reduces machining error.

Drawings

Fig. 1 is a schematic view of the overall structure of the present embodiment.

Fig. 2 is an enlarged view of a portion a in fig. 1.

Fig. 3 is an enlarged view of a portion B in fig. 1.

FIG. 4 is a schematic structural diagram of the liquid receiving tank according to the present embodiment.

Fig. 5 is a schematic structural diagram of the rotating sleeve according to the embodiment.

Figure 6 is a schematic diagram of a prior art jawarm.

Reference numerals: 1. a base; 11. a trapezoidal groove; 2. a sliding table; 21. a slider; 3. a clamping mechanism; 31. a placing table; 32. a compression block; 33. a working hole; 34. a vertical plate; 341. a threaded hole; 342. a second kidney-shaped slot; 343. a second fixing bolt; 35. a hydraulic cylinder; 36. a tension bar; 37. a bearing block; 371. a positioning column; 372. a first waist-shaped groove; 373. a first fixing bolt; 4. a drive member; 41. a driving oil cylinder; 42. a limiting plate; 5. an adjusting seat; 51. adjusting the bolt; 52. a groove; 53. rotating the sleeve; 54. a baffle plate; 6. a guide ring; 61. cutting; 7. a liquid receiving box; 71. looping; 73. a liquid guide groove; 8. a liquid discharge conduit; 9. a clamp arm; 91. and a through hole.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b): the utility model provides a tong arm centre gripping processing frock, like fig. 1, including setting up base 1 and slip table 2 on the drilling machine, trapezoidal groove 11 has been seted up along length direction to base 1, 2 bottoms of slip table have set firmly with 11 matched with sliders of trapezoidal groove 21, slip table 2 slides through slider 21 and connects in trapezoidal groove 11, slider 21 and 11 cooperation of trapezoidal groove also can play a guide effect to the removal of slip table 2 this moment, improve the removal precision of slip table 2. Be equipped with on the base 1 and be used for driving the driving piece 4 that the slip table 2 removed along base 1 length direction, driving piece 4 includes drive cylinder 41 of fixed connection on base 1, and drive cylinder 41's output is connected on slider 21, and when drive cylinder 41 during operation, drive slip table 2 that can be automatic moves on base 1. The base 1 is gone up and all is set firmly limiting plate 42 along the both sides of slip table 2 moving direction, and when slip table 2 was inconsistent with two limiting plates 42 respectively, slip table 2 was located the below (two stations promptly) of two cutters on the lathe respectively.

As shown in fig. 1 and 2, a clamping mechanism 3 for fixing a workpiece is arranged on the sliding table 2, the clamping mechanism 3 comprises a placing table 31 and a pressing block 32, the placing table 31 is fixed on the sliding table 2 through two risers 34, and a gap is formed between the two risers 34. Place the platform 31 and set firmly pneumatic cylinder 35 towards one side of slip table 2, the output of pneumatic cylinder 35 is connected with two straining bars 36 that set up along placing platform 31 length direction through the connecting plate, two straining bars 36 are about pneumatic cylinder 35 symmetry, the one end of two straining bars 36 is passed and is placed platform 31 and be connected with compact heap 32 simultaneously, the last work hole 33 that has seted up of compact heap 32, the operator places tong arm 9 (as shown in fig. 6) back on placing platform 31, pneumatic cylinder 35 work drive compact heap 32 compresses tightly tong arm 9, the cutter can pass work hole 33 and process tong arm 9 this moment, work hole 33 is established to the echelonment, so that the discharge of cutting bits.

As shown in fig. 2 and 6, the placing table 31 is provided with a bearing block 37, the bearing block 37 is screwed with a positioning post 371, an operator can select the positioning posts 371 with different sizes according to the specification of the jawarms 9 to be processed, and the bearing block 37 is screwed with the through holes 91 on the jawarms 9 to align the positioning posts 371 and insert, at this time, the positioning posts 371 are matched with the through holes 91 on the jawarms 9, so that the jawarms 9 can be quickly and conveniently positioned on the bearing block 37, the possibility of movement of the jawarms 9 in the processing process is reduced, and the processing precision is improved.

As shown in fig. 1 and 2, the bearing block 37 is connected to the placing table 31 in a sliding manner along the length direction of the placing table 31, two guide rings 6 are fixedly arranged on the placing table 31, two tightening rods 36 respectively penetrate through the two guide rings 6, and the outer edges of the tightening rods are matched with the inner edges of the guide rings 6, so as to improve the moving precision of the tightening rods 36. The outer edge of the guide ring 6 is provided with notches 61 matched with the two sides of the bearing block 37, and when the bearing block 37 moves, the two notches 61 are respectively contacted with the two sides of the bearing block 37, so that a guide effect can be exerted on the bearing block 37 again, and the moving precision of the bearing block 37 is improved. Four first waist-shaped grooves 372 are formed in the bearing block 37, a first fixing bolt 373 which penetrates through the waist-shaped grooves and is in threaded connection with the placing table 31 is arranged on the bearing block 37, and when the bearing block 37 moves to a specified position, an operator can fix the bearing block 37 on the placing table 31 through the first fixing bolt 373.

As shown in fig. 3 and 5, the adjusting seat 5 is connected to the two sides of the sliding table 2 along the length direction of the placing table 31 through screws, a groove 52 is formed in the adjusting seat 5, an adjusting bolt 51 is placed in the groove 52, a rotating sleeve 53 is fixedly arranged on the adjusting bolt 51, two ends of the rotating sleeve 53 are provided with baffle plates 54, the two baffle plates 54 are respectively abutted to two sides of the adjusting seat 5, the adjusting bolt 51 is rotatably connected in the adjusting seat 5 at the moment, two vertical plates 34 are respectively provided with a threaded hole 341, and one end of the adjusting bolt 51 facing the vertical plate 34 is matched with the threaded hole 341. When the adjusting bolt 51 is rotated by an operator, the positions of the vertical plate 34 and the placing table 31 (shown in fig. 1) on the sliding table 2 can be finely adjusted, so that the bearing block 37 (shown in fig. 2) can be finely adjusted, and a workpiece can be conveniently placed at a preset machining position.

As shown in fig. 3, two second waist-shaped grooves 342 are formed in the vertical plate 34, a second fixing bolt 343 in threaded connection with the sliding table 2 is arranged in each second waist-shaped groove, and after an operator adjusts the vertical plate 34 to a desired position, the vertical plate 34 can be fixed by tightening the second fixing bolt 343. When the riser 34 needs to be disassembled and replaced, an operator unscrews the adjusting bolt 51 and directly moves the adjusting bolt 51 upwards until the adjusting bolt 51 is separated from the groove 52, and at the moment, the riser 34 can be quickly and conveniently disassembled from the sliding table 2.

As shown in fig. 1 and 4, the placing table 31 is provided with a liquid receiving box 7, the bottom of the liquid receiving box 7 is provided with a ring opening 71, the wall of the opening of the ring opening 71 is hermetically connected with the outer edge of the placing table 31, and the embodiment adopts welding. Connect the bottom of liquid box 7 to establish to the arc to the coolant liquid is to connecing liquid box 7 to flow all around, connects the edge of liquid box 7 bottom to be equipped with liquid guide groove 73, connects to be connected with the drain line 8 that is linked together with liquid guide groove 73 on the liquid box 7, and the coolant liquid that flows into in liquid guide groove 73 along curved liquid box 7 bottom of connecing can be through the drain line 8 discharge with liquid guide groove 73 intercommunication, thereby automatic convenient collection coolant liquid reduces the coolant liquid and spills over the possibility of connecing liquid box 7.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a tong arm centre gripping processing frock which characterized in that: the clamping device comprises a base (1) arranged on a drilling machine, a sliding table (2) connected to the base (1) in a sliding mode and a clamping mechanism (3) arranged on the sliding table (2) and used for fixing a workpiece, wherein a driving piece (4) for driving the sliding table (2) to move is arranged on the base (1);

clamping mechanism (3): the workpiece clamping device comprises a placing table (31) and a pressing block (32), wherein a workpiece is clamped between the placing table (31) and the pressing block (32), and a working hole (33) for a drill bit to pass through is formed in the pressing block (32).

2. The clamp arm clamping and processing tool according to claim 1, characterized in that: the placing table (31) is connected with the sliding table (2) through a vertical plate (34), a hydraulic cylinder (35) is arranged on one side, deviating from the pressing block (32), of the placing table (31), the output end of the hydraulic cylinder (35) is connected with a tightening rod (36), and one end of the tightening rod (36) penetrates through the placing table (31) and is connected with the pressing block (32).

3. The clamp arm clamping and processing tool according to claim 2, characterized in that: the placing table (31) is provided with a bearing block (37), and the bearing block (37) is provided with a positioning column (371) matched with the through hole (91) on the clamp arm (9).

4. The clamp arm clamping and processing tool according to claim 3, characterized in that: a plurality of first waist-shaped grooves (372) are formed in the bearing block (37), and first fixing bolts (373) which penetrate through the waist-shaped grooves and are connected to the placing table (31) in a threaded mode are arranged on the bearing block (37).

5. The clamp arm clamping and processing tool according to claim 4, characterized in that: the sliding table is characterized in that adjusting seats (5) are arranged on the sliding table (2) along the two sides of the length direction of the placing table (31), adjusting bolts (51) are connected to the adjusting seats (5) in a rotating mode, and threaded holes (341) matched with the adjusting bolts (51) are formed in the vertical plate (34).

6. The clamp arm clamping and processing tool according to claim 5, characterized in that: the adjusting seat (5) is provided with a groove (52), the adjusting bolt (51) is fixedly provided with a rotating sleeve (53), two ends of the rotating sleeve (53) are provided with baffle plates (54), the rotating sleeve (53) is placed in the groove (52), and the two baffle plates (54) are respectively abutted against two sides of the adjusting seat (5).

7. The clamp arm clamping and processing tool according to claim 5, characterized in that: the two tensioning rods (36) are arranged along the length direction of the placing table (31), the placing table (31) is provided with a guide ring (6), the inner edge of the guide ring (6) is matched with the outer edge of the tensioning rods (36), and the outer edge of the guide ring (6) is provided with notches (61) matched with the two sides of the bearing block (37).

8. The clamp arm clamping and processing tool according to claim 1 or 7, characterized in that: the liquid receiving box (7) is arranged on the placing table (31), an annular opening (71) is formed in the bottom of the liquid receiving box (7), and the opening wall of the annular opening (71) is connected with the outer edge of the placing table (31) in a sealing mode.

9. The clamp arm clamping and processing tool according to claim 8, characterized in that: connect and be connected with drain line (8) on liquid box (7), connect the bottom of liquid box (7) to establish to the arc, connect the edge of liquid box (7) bottom to be equipped with liquid guide groove (73), drain line (8) are linked together with liquid guide groove (73).

10. The clamp arm clamping and processing tool according to claim 1, characterized in that: the driving piece (4) comprises a driving oil cylinder (41) fixedly connected to the base (1), the output end of the driving oil cylinder (41) is connected to the sliding table (2), and limiting plates (42) are arranged on the base (1) along the two sides of the sliding table (2) in the moving direction.