CN213135944U - Gear drilling tool for machining center - Google Patents

Abstract

The utility model discloses a gear drilling frock for machining center, including unable adjustment base, unable adjustment base's both sides are equipped with at least one first hold-down mechanism that is used for compressing tightly the gear respectively, be equipped with two at least positioning core axles that are used for fixing a position the gear and place between per two first hold-down mechanisms, be equipped with a second hold-down mechanism between two adjacent positioning core axles respectively, first hold-down mechanism is including locating the first hold-down cylinder on the unable adjustment base and the first clamp plate that is used for compressing tightly the gear, second hold-down mechanism is including locating the second hold-down cylinder on the unable adjustment base and the second clamp plate that is used for compressing tightly the gear. The utility model provides a gear can realize the effect that compresses tightly through the hydro-cylinder to the control of clamp plate, need not the loaded down with trivial details of a plurality of steps of manual operation, and the gear can carry out reliable accurate location through the positioning core axle and place simultaneously, has guaranteed the stability in the gear machining process.

Description

Gear drilling tool for machining center

Technical Field

The utility model belongs to the gear machining field especially relates to a gear drilling frock for machining center.

Background

The cylindrical gear is matched with the shaft into a whole during transmission, the higher the matching precision of the cylindrical gear and the shaft is, the higher the transmission efficiency of the gear is, and the shaft hole quality of the cylindrical gear is required to be good. Generally, the hole needs to be drilled and then expanded or reamed, that is, the efficiency of the cylindrical gear transmission is directly influenced by the hole machining, particularly the drilling condition, so that the machining quality of the cylindrical gear hole needs to be improved and the positioning reliability during machining needs to be ensured.

Disclosure of Invention

The utility model discloses an overcome prior art not enough, provide a simple and reliable and high accuracy a gear drilling frock for machining center.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a gear drilling tool for a machining center comprises a fixed base, wherein at least one first pressing mechanism used for pressing a gear is arranged on each of two sides of the fixed base, at least two positioning mandrels used for positioning and placing the gear are arranged between every two first pressing mechanisms, a second pressing mechanism is arranged between every two adjacent positioning mandrels, each first pressing mechanism comprises a first pressing oil cylinder arranged on the fixed base and a first pressing plate used for pressing the gear, and each second pressing mechanism comprises a second pressing oil cylinder arranged on the fixed base and a second pressing plate used for pressing the gear; through the arrangement of the structure, the gear can be pressed tightly through the oil cylinder for the control of the pressing plate, the complexity of manual operation of multiple steps is avoided, the oil cylinder is pressed tightly, the fixed clamping of the gear is firmer and more reliable, the gear can be positioned and placed reliably and accurately through the positioning mandrel, and the stability in the gear machining process is guaranteed.

Preferably, one end of the first pressing plate is rotatably connected with an output shaft of the first pressing oil cylinder through a first rotating shaft, and the other end of the first pressing plate is a pressing part for pressing the gear; through the setting to first clamp plate and the portion that compresses tightly for above-mentioned first clamp plate can realize the upset through the control of first pressure cylinder, thereby can compress tightly and relax the gear, need not manual operation, has reduced the step, has reduced operative employee's intensity of labour, and has improved the machining efficiency to the gear.

Preferably, a fixing frame for fixing the first compression oil cylinder is arranged on the fixing base, a fixing block is fixedly arranged on the fixing frame, and a rotatable connecting block is arranged on the fixing block; through the setting of above-mentioned mount, can increase the stationary force to the pressure cylinder, avoid adding man-hour to the gear, the rocking of pressure cylinder can be protected to the pressure cylinder simultaneously, avoids adding man-hour piece that produces and drops to pressure cylinder and cause the damage of pressure cylinder.

Preferably, the end part of the connecting block is rotationally connected with the first pressing plate through a second rotating shaft, and the second rotating shaft is arranged between the first rotating shaft and the pressing part; through the setting of above-mentioned connecting block and first clamp plate for above-mentioned output shaft that compresses tightly the hydro-cylinder can carry out powerful compressing tightly to the gear through the smooth upset of the first clamp plate of connecting block control when vertical removal, also can control the upset of first clamp plate through compressing tightly the hydro-cylinder simultaneously when letting go up the gear, makes the most unable interference gear of front end of first clamp plate shift up.

Preferably, the second pressing plate is rotatably connected with the middle part of the second pressing oil cylinder through a third rotating shaft, and two ends of the second pressing plate are provided with pressing parts; through the setting of above-mentioned second clamp plate, make the both ends of above-mentioned second clamp plate compress tightly two gears simultaneously, but increased the number of gears that same time can be processed, the process time has been saved, and the working strength of operative employee has been reduced, the both ends of second clamp plate are to compressing tightly of gear simultaneously, make two gears can interact, the single reaction that can receive the gear of opposite side is rocked to the single of gear of unilateral, further strengthen the fixed effort to the gear, thereby make the unable single of unilateral gear rock, the interrelationship between a plurality of gears, further strengthened the stability of gear man-hour.

Preferably, the positioning mandrel is provided with a positioning part for limiting and placing the gear, the outer diameter of the positioning part is consistent with the inner diameter of a through hole in the middle of the gear, and the positioning mandrel is fixed on the fixed base through a plurality of bolts; through the setting of above-mentioned location portion for the gear can the snap-on in location portion when being processed, and the location that realizes the gear through location portion is firm, provides the workstation for the processing of gear simultaneously, and can change the maintenance to the positioning mandrel at any time.

The utility model has the advantages of it is following: this a gear drilling frock for machining center passes through the setting of above-mentioned structure, make above-mentioned gear before being processed, the control that can compress tightly the hydro-cylinder directly presss from both sides tight fixedly to the gear, the effectual gear of having avoided is added man-hour and is rocked, and the step when having simplified gear installation, the cooperation of location dabber and clamp plate, the location fixed strength to the gear has been strengthened, the stability when having guaranteed to gear processing, thereby the processingquality to the gear has been guaranteed, this frock can be fixed a plurality of gears simultaneously, the required time of very big reduction location gear, the effectual machining efficiency to the gear that has improved.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a top view of the present invention.

Detailed Description

As shown in fig. 1-2, a gear drilling tool for a machining center comprises a fixed base 1, at least one first pressing mechanism for pressing a gear is respectively arranged on two sides of the fixed base 1, at least two positioning mandrels 2 for positioning and placing the gear are arranged between every two first pressing mechanisms, a second pressing mechanism is respectively arranged between every two adjacent positioning mandrels 2, the first pressing mechanism comprises a first pressing oil cylinder 31 arranged on the fixed base 1 and a first pressing plate 32 for pressing the gear, the second pressing mechanism comprises a second pressing oil cylinder 33 arranged on the fixed base 1 and a second pressing plate 34 for pressing the gear, by the arrangement of the above structure, the gear can be pressed by controlling the pressing plates through the oil cylinders, the tedious steps of manual operation are not needed, and the gear is pressed by the oil cylinders, the gear is more firmly and reliably fixed and clamped, and meanwhile, the gear can be reliably and accurately positioned and placed through the positioning mandrel, so that the stability of the gear in the machining process is ensured; the first pressing oil cylinder and the second pressing oil cylinder are existing products in the existing market, and are not described again here, the structure of the first pressing plate is the same as that of the half side of the second pressing plate, and the positioning mandrel is fixed between the first pressing mechanism and the second pressing mechanism.

Above-mentioned first clamp plate only needs a terminal pair gear to compress tightly, the both ends of above-mentioned second clamp plate all need compress tightly the gear, the one end of first clamp plate 32 is connected through the output shaft rotation of first pivot and first pressure cylinder 31, the other end of first clamp plate 32 is for being used for the portion that compresses tightly of hold-down gear, through the aforesaid to the setting of first clamp plate and portion that compresses tightly, make above-mentioned first clamp plate can realize the upset through the control of first pressure cylinder, thereby can compress tightly and relax the gear, need not manual operation, the step has been reduced, the labor intensity of operative employee has been reduced, and the machining efficiency to the gear has been improved.

Be equipped with the mount 35 that is used for fixed first pressure cylinder 31 on unable adjustment base 1, fixed block 351 has set firmly on mount 35, is equipped with rotatable connecting block 352 on the fixed block 351, through the setting of above-mentioned mount, can increase the stationary force to pressure cylinder, avoids adding man-hour to the gear, and pressure cylinder's rocking can be protected to pressure cylinder simultaneously, avoids adding man-hour piece that produces to drop to pressure cylinder on and cause pressure cylinder's damage.

The end of the connecting block 352 is rotatably connected with the first pressing plate 32 through a second rotating shaft, the second rotating shaft is arranged between the first rotating shaft and the pressing part, and through the arrangement of the connecting block and the first pressing plate, the output shaft of the pressing oil cylinder can control the smooth turning of the first pressing plate through the connecting block when vertically moving, the gear is strongly pressed, and meanwhile, when the gear is released, the first pressing plate can be controlled to turn through the pressing oil cylinder, so that the foremost end of the first pressing plate cannot interfere with the upward moving of the gear.

The second clamp plate is connected through the rotation of third pivot and the middle part of second pressure cylinder, the both ends of second clamp plate 36 all are equipped with the portion of compressing tightly, setting through above-mentioned second clamp plate, make the both ends of above-mentioned second clamp plate can compress tightly two gears simultaneously, the number of gears that can process at the same time has been increased, the process time has been saved, and the working strength of operative employee has been reduced, simultaneously the both ends of second clamp plate are to compressing tightly of gear, make two gears can interact, the single reaction that can receive the gear of opposite side is rocked to the singleness of the gear of unilateral, further strengthen the fixed acting force to the gear, thereby make the unable singleness of unilateral gear rock, the interrelation between a plurality of gears, further strengthened the stability during gear processing.

Be equipped with the location portion 21 that is used for spacing placing the gear on the location dabber 2, the external diameter of location portion 21 is unanimous with the through-hole internal diameter at gear middle part, and location dabber 2 passes through a plurality of bolt fastening on unable adjustment base 1, through the setting of above-mentioned location portion for the gear is being processed man-hour, can the snap-on in location portion, and the location of realizing the gear through location portion is firm, provides the workstation for the processing of gear simultaneously, and can change the maintenance to the location dabber at any time.

Before machining the gear, firstly putting the gear into a positioning mandrel; starting a switch, and driving a pressing plate to tightly press the part by an oil cylinder; after the part is compacted, starting a machine tool program, and starting to process the gear; after the machining is finished, the oil cylinder drives the pressing plate to loosen the gear; and then removed.

Claims (6)

1. The utility model provides a gear drilling frock for machining center, includes unable adjustment base (1), its characterized in that: the gear pressing mechanism is characterized in that at least one first pressing mechanism used for pressing the gear is arranged on each of two sides of the fixed base (1), every two positioning mandrels (2) used for positioning and placing the gear are arranged between the first pressing mechanisms, each second pressing mechanism is arranged between every two adjacent positioning mandrels (2), each first pressing mechanism comprises a first pressing oil cylinder (31) arranged on the fixed base (1) and a first pressing plate (32) used for pressing the gear, and each second pressing mechanism comprises a second pressing oil cylinder (33) arranged on the fixed base (1) and a second pressing plate (34) used for pressing the gear.

2. The gear drilling tool for the machining center according to claim 1, wherein the drilling tool comprises: one end of the first pressing plate (32) is rotatably connected with an output shaft of the first pressing oil cylinder (31) through a first rotating shaft, and the other end of the first pressing plate (32) is a pressing part for pressing the gear.

3. The gear drilling tool for the machining center according to claim 1 or 2, characterized in that: be equipped with on unable adjustment base (1) and be used for fixed mount (35) of first pressure cylinder (31), fixed block (351) have set firmly on mount (35), be equipped with rotatable connecting block (352) on fixed block (351).

4. The gear drilling tool for the machining center according to claim 3, wherein the drilling tool comprises: the end part of the connecting block (352) is rotatably connected with the first pressing plate (32) through a second rotating shaft, and the second rotating shaft is arranged between the first rotating shaft and the pressing part.

5. The gear drilling tool for the machining center according to claim 1, wherein the drilling tool comprises: the second pressing plate is rotatably connected with the middle of the second pressing oil cylinder through a third rotating shaft, and pressing parts are arranged at two ends of the second pressing plate (34).

6. The gear drilling tool for the machining center according to claim 1, wherein the drilling tool comprises: and a positioning part (21) used for limiting and placing the gear is arranged on the positioning mandrel (2), and the outer diameter of the positioning part (21) is consistent with the inner diameter of the through hole in the middle of the gear.

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