CN221185663U - Pressing device for bench drilling machine - Google Patents

Abstract

The utility model relates to the field of bench drilling machines, and discloses a pressing device for a bench drilling machine, which comprises a workbench and a drilling machine main body, wherein the drilling machine main body is fixedly arranged at the top of the workbench, a sliding groove is formed in the top of the workbench, a sliding seat is slidably arranged in the sliding groove, a shaft seat is fixedly arranged at the top of the sliding seat, a supporting column is rotatably arranged at the top of the shaft seat, and the top end of the supporting column extends out of the sliding groove and is fixedly provided with a bearing round table. The utility model has the following advantages and effects: the workpiece pressing mechanism can firmly and stably press and fix the workpiece on the bearing round table, the workpiece cannot shift in the drilling process, the drilling position is accurate, the workpiece which is well pressed and fixed is convenient to horizontally move and adjust and horizontally rotate, the workpiece can be conveniently drilled and machined on multiple parts of the workpiece in sequence under the condition that the workpiece is not dismounted, the operation is convenient, time and labor are saved, and the working efficiency is improved.

Description

Pressing device for bench drilling machine

Technical Field

The utility model relates to the technical field of bench drilling machines, in particular to a compacting device for a bench drilling machine.

Background

The bench drilling machine is a small drilling machine with a vertical main shaft, and the bench drilling machine can be placed on a workbench. The bench drilling machine is mainly used for drilling, reaming, tapping, plane scraping and the like of small and medium-sized parts, is used in a processing workshop and a die repair workshop, and has the characteristics of small horsepower, high rigidity, high precision, good rigidity, convenience in operation and easiness in maintenance. When the existing bench drilling machine is used for drilling, a workpiece is pressed by one hand, and in the process, the workpiece can move due to drilling vibration to cause inconsistent drilling positions and pin hole positions, so that the drilling accuracy is reduced.

Aiming at the problems, the technical scheme is that the compressing and positioning device applied to the bench drilling machine is characterized by comprising a workbench, a limiting block is manually rotated, the limiting block is parallel to a limiting groove, a rotating plate is manually turned away from the direction of the placing plate, a workpiece needing to be drilled is placed on the upper end surface of the placing plate, then the rotating plate is turned back to the original position, the workpiece enters a through groove, a motor drives a screw rod to rotate, two sliding sleeves can drive a fixed block to move in opposite or opposite directions on the outer wall of the screw rod, the screw rod is manually rotated according to the height of the workpiece, the screw rod drives the compressing plate to move downwards until the compressing plate contacts with the upper end surface of the workpiece, the workpiece is compressed, the limiting block is reversely rotated, the limiting block and the limiting groove are in a vertical state, the rotating plate is further limited and fixed, the workpiece is prevented from being displaced due to manual vibration in the drilling process, the workpiece is further compressed, and the drilling accuracy is improved.

The existing scheme still has at least the following disadvantages when the existing scheme occurs in actual operation: the operation steps of compressing and fixing the workpiece are complicated, the workpiece is not adjustable after being compressed and fixed, only one part of the workpiece can be drilled, when the workpiece is required to be drilled sequentially at a plurality of parts, the workpiece is required to be repeatedly operated and disassembled to adjust the position of the workpiece and then is fixed again, then the workpiece is drilled, the operation is time-consuming and labor-consuming, the time-consuming is increased, and the working efficiency is reduced.

Disclosure of utility model

The utility model aims to provide a pressing device for a bench drilling machine, which can firmly and stably press and fix a workpiece on a bearing round table, does not shift during drilling, ensures accurate drilling position, is convenient for horizontal movement adjustment and horizontal rotation adjustment of the pressed and fixed workpiece, and further can conveniently drill holes on multiple parts of the workpiece in sequence under the condition of not disassembling the workpiece, is convenient to operate, saves time and labor, and improves the working efficiency.

The technical aim of the utility model is realized by the following technical scheme: a closing device for bench drill, includes workstation and drilling machine main part, drilling machine main part fixed mounting has offered the spout at the top of workstation, and sliding mounting has the slide in the spout, and the top fixed mounting of slide has the axle bed, and the top of axle bed rotates and installs the support column, and the top of support column extends to outside the spout and fixed mounting has the bearing round platform, and the top of bearing round platform is provided with work piece closing mechanism, is provided with on the workstation and is used for controlling the gliding actuating mechanism of slide level straight line, is provided with the fastening mechanism who is used for restricting to bear round platform rotation between slide and the bearing round platform.

Through adopting above-mentioned technical scheme, drilling machine main part is used for carrying out drilling processing to the work piece, utilizes the connection cooperation of axle bed and support column, can make bear the weight of round platform and use the support column as the axle center level rotation.

The utility model is further provided with: the workpiece pressing mechanism comprises two cushion blocks, two first electric hydraulic cylinders, two vertical clamping plates, two transverse plates, two second electric hydraulic cylinders and two pressing plates, wherein the two cushion blocks are fixedly installed at the top of the bearing round table, the two first electric hydraulic cylinders are fixedly installed on the corresponding cushion blocks respectively and are symmetrically distributed, the two vertical clamping plates are fixedly installed at the output shaft ends of the corresponding first electric hydraulic cylinders respectively, the two transverse plates are fixedly installed at the tops of the corresponding vertical clamping plates respectively, the two second electric hydraulic cylinders are fixedly installed at the bottoms of the corresponding transverse plates respectively, and the two pressing plates are fixedly installed at the output shaft ends of the corresponding second electric hydraulic cylinders respectively.

Through adopting above-mentioned technical scheme, first electronic pneumatic cylinder is used for controlling vertical splint horizontal rectilinear movement, utilizes two vertical splint, can transversely press from both sides the tight fixing of work piece on bearing round platform, and second electronic pneumatic cylinder is used for controlling the vertical removal of clamp plate, utilizes two clamp plates can vertically compress tightly the work piece to fix on bearing round platform.

The utility model is further provided with: one side that two perpendicular splint are close to each other all fixed mounting have first protection pad, and the bottom of two clamp plates is all fixed mounting has the second protection pad.

Through adopting above-mentioned technical scheme, utilize first protection pad, can protect the horizontal clamping position of work piece, utilize the second protection pad, can protect the vertical compression position of work piece.

The utility model is further provided with: the driving mechanism comprises a screw rod, two guide rods and a motor, the screw rod is rotatably installed in the sliding groove, the sliding seat is sleeved on the screw rod in a threaded mode, the two guide rods are fixedly installed in the sliding groove, the screw rod is located between the two guide rods, the sliding seat is slidably sleeved on the two guide rods, the motor is fixedly installed on the outer side wall of the front side of the workbench, and the output shaft end of the motor extends into the sliding groove and is fixedly connected with the front end of the screw rod.

Through adopting above-mentioned technical scheme, the motor is used for controlling the lead screw rotation, and two guide bars are used for guiding the slip direction of slide, and then steerable slide is horizontal straight line slip in the spout.

The utility model is further provided with: the fastening mechanism comprises two third electric hydraulic cylinders, two anti-slip tight supporting plates and an annular friction plate, wherein the two third electric hydraulic cylinders are fixedly installed at the top of the sliding seat, the shaft seat is located between the two third electric hydraulic cylinders, the output shaft ends of the two third electric hydraulic cylinders are all extended out of the sliding groove, the two anti-slip tight supporting plates are fixedly installed at the output shaft ends of the corresponding third electric hydraulic cylinders respectively, the annular friction plate is fixedly installed at the bottom of the bearing round table, and the upper surfaces of the two anti-slip tight supporting plates are in contact with the lower surface of the annular friction plate.

Through adopting above-mentioned technical scheme, third electronic pneumatic cylinder is used for controlling anti-skidding and supports tight board vertical lift, utilizes the anti-skidding to support the frictional force when tight board and annular friction disc contact, can carry out firm fixed to the position of bearing round platform, avoids bearing round platform horizontal rotation.

The utility model is further provided with: the bottom fixed mounting who bears the round platform has a plurality of reinforcing blocks, and a plurality of reinforcing blocks are equidistant annular distribution, and the bottom of a plurality of reinforcing blocks all nestles has the ball, and a plurality of balls all roll contact with the top of workstation.

Through adopting above-mentioned technical scheme, utilize the connection cooperation of a plurality of reinforcing blocks and a plurality of ball, play the effect that carries out stable support to bearing round platform.

The beneficial effects of the utility model are as follows:

1. According to the utility model, the workpiece can be transversely clamped and fixed and vertically pressed and fixed by utilizing the workpiece pressing mechanism consisting of the two cushion blocks, the two first electric hydraulic cylinders, the two vertical clamping plates, the two transverse plates, the two second electric hydraulic cylinders and the two pressing plates, and the workpiece can be firmly and stably pressed and fixed on the bearing round table under the combined action of the transverse clamping and fixing and the vertical pressing and fixing of the workpiece, so that the workpiece cannot shift in the drilling process, and the drilling position is ensured to be accurate.

2. The utility model is convenient to control the horizontal linear movement of the bearing round table and the workpiece which is clamped and fixed by utilizing the driving mechanism consisting of the screw rod, the two guide rods and the motor, thereby realizing the horizontal movement adjustment of the workpiece which is clamped and fixed.

3. The utility model is convenient to fix the bearing round table by utilizing the fastening mechanism consisting of the two third electric hydraulic cylinders, the two anti-skid abutting plates and the annular friction plate, and limits the horizontal rotation of the bearing round table, thereby realizing the horizontal rotation adjustment of the workpiece which is clamped and fixed.

4. According to the utility model, under the combined action of the driving mechanism and the fastening mechanism, the workpiece which is clamped and fixed is subjected to horizontal movement adjustment and horizontal rotation adjustment so as to facilitate drilling processing on multiple positions of the workpiece, the workpiece is not required to be repeatedly operated and disassembled for adjusting the positions of the workpiece and then is fixed again, so that the operation steps are reduced, time and labor are saved, the working efficiency is improved, and the problems that when the workpiece is required to be sequentially drilled and processed on multiple positions of the workpiece, the workpiece is required to be repeatedly operated and disassembled for adjusting the positions of the workpiece and then is fixed again, and then drilling is carried out are solved, the operation is time-consuming and labor-consuming, the time-consuming is prolonged, and the working efficiency is reduced are solved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic perspective view of the present embodiment.

Fig. 2 is a schematic diagram of a front sectional structure of the present embodiment.

Fig. 3 is an enlarged schematic view of the portion a in fig. 2.

Fig. 4 is an enlarged schematic view of the portion B in fig. 2.

In the figure, 1, a workbench; 2. a drill press body; 3. a chute; 4. a slide; 5. a shaft seat; 6. a support column; 7. carrying a round table; 8. a cushion block; 9. a first electro-hydraulic cylinder; 10. a vertical clamping plate; 11. a cross plate; 12. a second electro-hydraulic cylinder; 13. a pressing plate; 14. a first protective pad; 15. a second protective pad; 16. a screw rod; 17. a guide rod; 18. a motor; 19. a third electro-hydraulic cylinder; 20. an anti-slip tightening plate; 21. annular friction plate.

Detailed Description

The technical scheme of the present utility model will be clearly and completely described in connection with specific embodiments. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model.

Referring to fig. 1, 2, 3 and 4, the present utility model provides a pressing device for a bench drilling machine, comprising a table 1 and a drilling machine body 2, the drilling machine body 2 being fixedly mounted on top of the table 1, wherein:

The top of the workbench 1 is provided with a sliding chute 3, a sliding seat 4 is arranged in the sliding chute 3 in a sliding manner, a shaft seat 5 is fixedly arranged at the top of the sliding seat 4, a supporting column 6 is rotatably arranged at the top of the shaft seat 5, the top of the supporting column 6 extends out of the sliding chute 3 and is fixedly provided with a bearing round table 7, the top of the bearing round table 7 is provided with a workpiece pressing mechanism, the workpiece pressing mechanism comprises two cushion blocks 8, two first electric hydraulic cylinders 9, two vertical clamping plates 10, two transverse plates 11, two second electric hydraulic cylinders 12 and two pressing plates 13, the two cushion blocks 8 are fixedly arranged at the top of the bearing round table 7, the two first electric hydraulic cylinders 9 are respectively fixedly arranged on the corresponding cushion blocks 8 and are symmetrically distributed, the two vertical clamping plates 10 are respectively fixedly arranged at the output shaft ends of the corresponding first electric hydraulic cylinders 9, the two transverse plates 11 are respectively fixedly arranged at the tops of the corresponding vertical clamping plates 10, the two second electro-hydraulic cylinders 12 are respectively and fixedly arranged at the bottoms of the corresponding transverse plates 11, the two pressing plates 13 are respectively and fixedly arranged at the output shaft ends of the corresponding second electro-hydraulic cylinders 12, the workbench 1 is provided with a driving mechanism for controlling the sliding seat 4 to slide horizontally and linearly, the driving mechanism comprises a screw rod 16, two guide rods 17 and a motor 18, the screw rod 16 is rotatably arranged in the sliding groove 3, the sliding seat 4 is sheathed on the screw rod 16 in a threaded manner, the two guide rods 17 are fixedly arranged in the sliding groove 3, the screw rod 16 is positioned between the two guide rods 17, the sliding seat 4 is sheathed on the two guide rods 17 in a sliding manner, the motor 18 is fixedly arranged on the outer side wall of the front side wall of the workbench 1, the output shaft end of the motor 18 extends into the sliding groove 3 and is fixedly connected with the front end of the screw rod 16, a fastening mechanism for limiting the rotation of the bearing round table 7 is arranged between the sliding seat 4 and the bearing round table 7, it should be noted that, the motor 18 adopts reversible motor, the fastening mechanism includes two third electro-hydraulic cylinders 19, two anti-slip tight plates 20 and an annular friction plate 21, the two third electro-hydraulic cylinders 19 are all fixedly installed at the top of the sliding seat 4, the shaft seat 5 is located between the two third electro-hydraulic cylinders 19, the output shaft ends of the two third electro-hydraulic cylinders 19 all extend to the outside of the sliding groove 3, the two anti-slip tight plates 20 are respectively fixedly installed at the output shaft ends of the corresponding third electro-hydraulic cylinders 19, the annular friction plate 21 is fixedly installed at the bottom of the bearing round table 7, the upper surfaces of the two anti-slip tight plates 20 are all contacted with the lower surface of the annular friction plate 21, and it should be added that, as shown in fig. 2 and 4, the two third electro-hydraulic cylinders 19 are all in an extension state.

In this embodiment, the first protection pad 14 is fixedly installed on one side of the two vertical clamping plates 10, which are close to each other, the second protection pad 15 is fixedly installed on the bottom of the two clamping plates 13, and it is necessary to supplement that the first protection pad 14 and the second protection pad 15 are made of specific elastic rubber materials, and anti-skid patterns are provided on the surfaces of the first protection pad 14 and the second protection pad 15, so that friction resistance to workpiece fixation can be improved, and firmness in workpiece fixation is enhanced.

In this embodiment, a plurality of reinforcing blocks are fixedly installed at the bottom of the bearing round table 7, the plurality of reinforcing blocks are distributed in an equidistant annular manner, balls are nested at the bottoms of the plurality of reinforcing blocks, and the plurality of balls are in rolling contact with the top of the workbench 1.

In this embodiment, it should be noted that, the first electro-hydraulic cylinder 9, the second electro-hydraulic cylinder 12, the third electro-hydraulic cylinder 19 and the motor 18 are all purchased in the market, and the first electro-hydraulic cylinder 9, the second electro-hydraulic cylinder 12, the third electro-hydraulic cylinder 19 and the motor 18 are provided with power sources, and the circuit connection manner thereof is fully disclosed in the art, so that the description is not repeated in the specification.

Through the structure, when the pressing device for the bench drilling machine provided by the utility model is particularly operated, a workpiece is placed between the two vertical clamping plates 10 on the bearing round table 7, one part of the workpiece needing to be drilled is aligned with a drill bit on the drilling machine main body 2, then the two first electric hydraulic cylinders 9 are controlled to stretch, so that the two vertical clamping plates 10 move towards directions close to each other, the two first electric hydraulic cylinders 9 are stopped until the two first protection pads 14 respectively tightly abut against two sides of the workpiece, at the moment, the workpiece can be transversely clamped and fixed on the bearing round table 7, then the two second electric hydraulic cylinders 12 are controlled to stretch, so that the two pressing plates 13 vertically move downwards, until the two second protection pads 15 tightly abut against the upper surface of the workpiece, the two second electric hydraulic cylinders 12 are stopped, the workpiece is vertically pressed and fixed on the bearing round table 7, the workpiece can be firmly and stably fixed on the bearing round table 7 under the combined action of the transverse clamping and the vertical pressing and the fixing, then the drilling machine main body 2 is utilized to drill the workpiece, when the drilling of the part of the workpiece is completed and the starting and stopping part of the workpiece is required to be drilled, the motor 18 is controlled to drive the screw rod 16 to rotate forward, the sliding seat 4 drives the shaft seat 5, the supporting column 6, the bearing round table 7 and the workpiece which is clamped and fixed horizontally move forward, the motor 18 is controlled to drive the screw rod 16 to rotate reversely, the sliding seat 4 drives the shaft seat 5, the supporting column 6, the bearing round table 7 and the workpiece which is clamped and fixed horizontally move backward, and then the horizontal movement adjustment of the workpiece which is clamped and fixed can be realized, the two anti-skid tight plates 20 can be enabled to move downwards without contacting with the annular friction plate 21 by controlling the two third electric hydraulic cylinders 19 to shrink and reset, the bearing round table 7 can be manually rotated horizontally, the clamped and fixed workpiece can rotate horizontally along with the bearing round table 7, when the bearing round table 7 rotates horizontally to a proper position, the two third electric hydraulic cylinders 19 are controlled to stretch again until the two anti-skid tight plates 20 are tightly abutted against the annular friction plate 21, the position of the bearing round table 7 can be fixed again, further horizontal rotation adjustment can be carried out on the clamped and fixed workpiece, drilling processing is carried out on multiple positions of the workpiece by carrying out horizontal movement adjustment and horizontal rotation adjustment on the clamped and fixed workpiece, repeated operation is not needed, the workpiece is fixed again after the position is adjusted, the operation steps are reduced, and the work efficiency is improved.

The above description of the utility model provides a pressing device for bench drilling machines. The principles and embodiments of the present utility model have been described herein with reference to specific examples, which are intended to be merely illustrative of the methods of the present utility model and their core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the utility model can be made without departing from the principles of the utility model and these modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.

Claims (6)

1. A closing device for bench drilling machine, its characterized in that includes workstation (1) and drilling machine main part (2), drilling machine main part (2) fixed mounting is in the top of workstation (1), spout (3) have been seted up at the top of workstation (1), sliding installation has slide (4) in spout (3), the top fixed mounting of slide (4) has axle bed (5), support column (6) are installed in the top rotation of axle bed (5), the top of support column (6) extends to outside spout (3) and fixed mounting have and bear round platform (7), the top of bearing round platform (7) is provided with work piece closing mechanism, be provided with on workstation (1) and be used for controlling the horizontally straight line gliding actuating mechanism of slide (4), slide (4) with be provided with between bearing round platform (7) and be used for restricting the rotatory fastening mechanism of bearing round platform (7).

2. A compaction device for bench drilling presses according to claim 1, wherein: the workpiece pressing mechanism comprises two cushion blocks (8), two first electric hydraulic cylinders (9), two vertical clamping plates (10), two transverse plates (11), two second electric hydraulic cylinders (12) and two pressing plates (13), wherein the cushion blocks (8) are fixedly installed at the top of the bearing round table (7), the two first electric hydraulic cylinders (9) are fixedly installed on the corresponding cushion blocks (8) respectively and are symmetrically distributed, the two vertical clamping plates (10) are fixedly installed at the output shaft ends of the corresponding first electric hydraulic cylinders (9), the two transverse plates (11) are fixedly installed at the top of the corresponding vertical clamping plates (10) respectively, the two second electric hydraulic cylinders (12) are fixedly installed at the bottom of the corresponding transverse plates (11) respectively, and the two pressing plates (13) are fixedly installed at the output shaft ends of the corresponding second electric hydraulic cylinders (12) respectively.

3. A compaction device for bench drilling presses according to claim 2, wherein: the two vertical clamping plates (10) are fixedly arranged on one sides close to each other, a first protection pad (14) is fixedly arranged on the two sides close to each other, and a second protection pad (15) is fixedly arranged on the bottoms of the two pressing plates (13).

4. A compaction device for bench drilling presses according to claim 1, wherein: the driving mechanism comprises a screw rod (16), two guide rods (17) and a motor (18), wherein the screw rod (16) is rotatably installed in the sliding groove (3), the sliding seat (4) is sleeved with threads, the two guide rods (17) are fixedly installed in the sliding groove (3), the screw rod (16) is located between the two guide rods (17), the sliding seat (4) is slidably sleeved on the two guide rods (17), the motor (18) is fixedly installed on the outer side of the front side wall of the workbench (1), and the output shaft end of the motor (18) extends into the sliding groove (3) and is fixedly connected with the front end of the screw rod (16).

5. A compaction device for bench drilling presses according to claim 1, wherein: the fastening mechanism comprises two third electric hydraulic cylinders (19), two anti-slip tight plates (20) and an annular friction plate (21), wherein the two third electric hydraulic cylinders (19) are fixedly installed at the top of the sliding seat (4), the shaft seat (5) is located between the two third electric hydraulic cylinders (19), the output shaft ends of the two third electric hydraulic cylinders (19) are extended out of the sliding groove (3), the two anti-slip tight plates (20) are fixedly installed at the output shaft ends of the corresponding third electric hydraulic cylinders (19) respectively, the annular friction plate (21) is fixedly installed at the bottom of the bearing circular table (7), and the upper surfaces of the two anti-slip tight plates (20) are contacted with the lower surface of the annular friction plate (21).

6. A compaction device for bench drilling presses according to claim 1, wherein: the bottom fixed mounting who bears round platform (7) has a plurality of reinforcing blocks, and a plurality of reinforcing blocks are equidistant annular distribution, a plurality of reinforcing blocks's bottom all has nested the ball, a plurality of the ball all with the top rolling contact of workstation (1).