CN213499747U

CN213499747U - Double-end puncher

Info

Publication number: CN213499747U
Application number: CN202021462037.3U
Authority: CN
Inventors: 张崇卫
Original assignee: Jiaxing Jiujiulong Smart Home Technology Co ltd
Current assignee: Jiaxing Jiujiulong Smart Home Technology Co ltd
Priority date: 2020-07-22
Filing date: 2020-07-22
Publication date: 2021-06-22
Anticipated expiration: 2030-07-22

Abstract

The utility model discloses a double-head perforating machine, which comprises a driving motor, two drill bits, a frame, a first two slide blocks, a second slide block and a motor frame similar to omega shape, wherein the frame comprises a support bar, a first connecting bar and a second connecting bar, the first connecting bar is provided with a first chute, the first two slide blocks are provided with a first bulge, the first two slide blocks are connected with a concave block, the drill bit is connected with a rotating shaft, the first connecting bar is provided with a waist-shaped groove, two ends of the rotating shaft are respectively connected with the first slide block and the concave block in a rotating way, the upper end of the rotating shaft is fixedly connected with a first belt wheel, the second connecting bar is provided with a second chute, the second slide block is provided with a second bulge, the bottom of the motor frame is fixedly connected with the second slide block, the driving motor is fixedly connected with the motor frame, a through hole is arranged at the center position of the top, the first sliding block and the second sliding block are both provided with fixing assemblies, and the front side of the first connecting strip is also provided with a driving assembly.

Description

Double-end puncher

Technical Field

The utility model relates to a puncher field, in particular to double-end puncher.

Background

In the process of manufacturing the sofa, firstly, the timber is cut into a corresponding shape according to the design requirement, then the cut timber is assembled into a frame, and before assembly, holes are punched at the positions of the timber according to the assembly mode and the requirements of the subsequent process.

In order to improve the efficiency of punching, generally can use the puncher of double-end at present, can once punch two holes on a timber, also can correspond two drill bits respectively with two timbers, punch simultaneously to two timbers together, two drill bits of double-end puncher are generally through driving with same motor at present, because the interval of two drill bits is fixed, so the interval of two holes of punching also is fixed, the application range of double-end puncher just has received the restriction like this.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a double-end puncher can adjust the interval of two drill bits in the certain limit, has advantages such as convenient operation, expansion application range.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a double-end perforating machine comprises a driving motor, two drill bits, a machine frame, a first slider, a second slider and a motor frame similar to omega-shaped, wherein the machine frame comprises a support bar, a first connecting strip arranged on the front side of the support bar and a second connecting strip arranged on the rear side of the support bar, the first connecting strip is higher than the second connecting strip, the first connecting strip is in a horizontal state, the second connecting strip is in a vertical state, a first T-shaped chute is arranged on the top surface of the first connecting strip, a first protrusion matched with the first chute is arranged at the bottom of the first slider, the first slider is connected with a concave block, the drill bits are connected with a rotating shaft, a waist-shaped groove for the rotating shaft to penetrate out and move is arranged in the first connecting strip, through holes for the rotating shaft to penetrate out are arranged at the central positions of the first slider and the concave block, the two ends of the rotating shaft are respectively rotatably connected with the first slider and the concave block, a belt, the top surface of the second connecting strip is provided with a second T-shaped sliding groove, the bottom of the second sliding block is provided with a second protrusion matched with the second sliding groove, the bottom of the motor frame is fixedly connected with the second sliding block, the driving motor is fixedly connected with the motor frame, the central position of the top surface of the motor frame is provided with a through hole for the output shaft of the driving motor to penetrate out, the output shaft of the driving motor is fixedly connected with a second belt wheel, the two first belt wheels are connected with the second belt wheel, hinged strips are arranged between the two first sliding blocks and the motor frame, the first sliding blocks and the second sliding blocks are provided with fixing components, and the front side of the first connecting strip is further provided with a driving component for driving the two first sliding blocks.

By adopting the technical scheme, the fixing of the fixing component on the first sliding block and the second sliding block is firstly released, then the distance between the first sliding block and the second sliding block is adjusted through the driving component, the distance between the two drill bits is adjusted, the first sliding block moves in the period, the second sliding block is driven to move through the hinge strip, the distance between the center of the motor frame and the center of the first sliding block is kept unchanged, belt transmission is not influenced, and then the first sliding block and the second sliding block are fixed again.

Preferably, the fixing assembly comprises a first bolt and a first nut, the left side and the right side of the first sliding block and the front side and the rear side of the second sliding block are respectively provided with a first extending part, the first extending parts are provided with through holes for the first bolt to penetrate out, and the nuts are correspondingly arranged in the first sliding groove and the second sliding groove.

By adopting the technical scheme, the first sliding block and the second sliding block can be fixed by screwing the bolt.

Preferably, the driving assembly comprises two mounting plates and a bidirectional screw rod, the two mounting plates are fixedly connected with the front side face of the first connecting strip, the two ends of the bidirectional screw rod are rotatably connected with the two mounting plates, the front side of the concave block is provided with a second extending part, and the second extending part is provided with a thread through hole matched with threads at the two ends of the bidirectional screw rod.

By adopting the technical scheme, the bidirectional screw rod rotates to drive the two sliding blocks to move in opposite directions, so that the distance between the two drill bits is enlarged or reduced.

Preferably, the center of the first sliding block is provided with a first cylindrical protrusion, the center of the top surface of the motor frame is provided with a second cylindrical protrusion, and two ends of the hinge strip are respectively provided with a through hole matched with the first cylindrical protrusion and the second cylindrical protrusion.

Adopt above-mentioned technical scheme, articulated strip both ends are articulated with slider one, motor frame respectively, and slider one removes, follows through articulated strip moving electric motor frame and slider two and removes.

Preferably, the upper end parts of the first cylindrical protrusion and the second cylindrical protrusion are provided with threads, and the first cylindrical protrusion and the second cylindrical protrusion are in threaded connection with a limiting cover.

By adopting the technical scheme, the hinge strip is limited to move up and down, so that the hinge strip is more stable.

Preferably, a graduated scale is arranged on the top surface of the first connecting strip.

By adopting the technical scheme, the numerical value of the distance between the two drill bits is conveniently known.

Preferably, a distance is reserved between the bottom of the first bolt and the bottoms of the first sliding rail and the second sliding rail, and the thickness of the first nut is larger than the distance.

By adopting the technical scheme, the first bolt and the first nut always ensure the state of threaded connection.

Drawings

FIG. 1 is a front view of the embodiment;

FIG. 2 is a schematic structural diagram of an embodiment;

FIG. 3 is a schematic connection diagram of a first slider and a first connecting strip according to an embodiment;

FIG. 4 is a schematic connection diagram of a second slider and a second connecting strip according to the embodiment.

Reference numerals: 1. a drive motor; 011. a motor frame; 012. a second cylindrical bulge; 013. a second belt wheel; 2. a drill bit; 3. a frame; 31. a supporting strip; 32. a first connecting strip; 321. a first sliding chute; 322. a waist-shaped groove; 33. a second connecting strip; 331. a second chute; 4. a first sliding block; 41. a first bulge; 42. an extension part I; 43. a first cylindrical bulge; 5. a second sliding block; 51. a second bulge; 6. a concave block; 61. a second extension portion; 7. a rotating shaft; 71. a first belt wheel; 8. a hinge strip; 9. a first bolt; 91. a first nut; 10. mounting a plate; 11. a bidirectional screw rod; 12. a limiting cover; 13. a first bearing; 14. a second bearing; 15. a gasket; 16. a tripod; 17. a hydraulic cylinder; 18. a work bench.

Detailed Description

The following is only the preferred embodiment of the present invention, the protection scope is not limited to this embodiment, and all technical solutions belonging to the idea of the present invention should belong to the protection scope of the present invention. It should also be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and such modifications and decorations should also be regarded as the protection scope of the present invention.

As shown in fig. 1 to 4, a double-head punching machine comprises a driving motor 1, two drill bits 2 and a frame 3, wherein the frame 3 comprises a base, a support bar 31, a first connecting bar 32 and a second connecting bar 33, the bottom of the support bar 31 is connected with a hydraulic cylinder 17, a workbench 18 is arranged below the frame 3, the front side surface of the support bar 31 is fixedly connected with a tripod which comprises an L-shaped part and a fixing bar, through holes are arranged on the horizontal plate and the vertical plate of the L-shaped part, the front side surface of the support bar 31 and the bottom surface of the first connecting bar 32 are provided with matched threaded holes, the first connecting bar 32 and the support bar 31 are fixedly connected after being screwed down by screws, and the first connecting bar 32 is in a horizontal state, the second connecting bar 33 is fixedly connected with the back side surface of the supporting bar 31 (the connection mode refers to the first connecting bar 32 and the supporting bar 31), and the second connecting strip 33 is in a vertical state, and the height of the first connecting strip 32 is higher than that of the second connecting strip 33.

The top surface of connecting strip 32 is equipped with a spout 321 of T type, a slider 4 of a sliding connection of the left and right sides of connecting strip 32, the bottom of slider 4 is equipped with protruding 41 of cooperation spout 321, and slider 4 is connected with concave type piece 6, the width of slider 4 equals the width of connecting strip 32, the interval of two vertical portions of concave type piece 6 equals the width of slider 4, the side is equipped with the screw hole around slider 4, two vertical portions of concave type piece 6 are equipped with the through-hole, screw up the back through the screw, with concave type piece 6 and slider 4 fixed connection, the horizontal part of concave type piece 6 is in the below of connecting strip 32.

The drill bit 2 is connected with a rotating shaft 7, a bearing groove is arranged at the center of the horizontal part of the concave block 6, a first bearing 13 is arranged in the first bearing groove, the lower end of the rotating shaft 7 is clamped with the first bearing 13, and the horizontal part of the concave block 6 is provided with a through hole for the lower end of the rotating shaft 7 to penetrate out, after the lower end of the rotating shaft 7 penetrates out of the concave block 6, the drill bit 2 is connected, the bottom surface of the connecting strip I32 is provided with two waist-shaped grooves 322 corresponding to the two slide blocks I4, the two rotating shafts 7 respectively penetrate out of the waist-shaped grooves 322 and can move in the left and right directions, the center of the top surface of the slide block I4 is provided with a cylindrical bulge I43, the cylindrical bulge I43 is provided with a bearing groove II, the bearing groove II is internally provided with a bearing II 14, the slide block I4 is also provided with a through hole for inserting the upper end of the rotating shaft 7, the upper end of the rotating shaft 7 penetrates through the through hole and is clamped with the, and the upper end of the rotating shaft 7 penetrates through the second bearing 14 and is fixedly connected with a first belt wheel 71.

The top surface of connecting strip two 33 is equipped with spout two 331 of T type, the bottom of slider two 5 is equipped with protruding two 51 of cooperation spout two 331, the top surface of slider two 5 still fixedly connected with motor frame 011, motor frame 011 is similar omega-shaped, two horizontal parts of motor frame 011 bottom are equipped with the through-hole, the top surface of slider two 5 is equipped with the screw hole, screw up the back through the screw, with motor frame 011 and slider two 5 fixed connection, the difference in height of control connecting strip one 32 and connecting strip two 33, make the top surface of motor frame 011 and the top surface of slider one 4 be in same horizontal plane, the central point that motor frame 011 top surface put is equipped with protruding two 012 of cylinder, the horizontal part fixed connection at driving motor 1 and motor frame 011 top, and driving motor 1 is in motor frame 011, be equipped with the through-hole that supplies driving motor 1's output shaft to wear out on protruding two 012 of cylinder.

The output shaft of the driving motor 1 is also fixedly connected with a second belt wheel 013, the second belt wheel 013 is provided with two grooves, the positions of the first belt wheels 71 on the two rotating shafts 7 are controlled, the two first belt wheels 71 have a certain height difference, one first belt wheel 71 is matched with one groove on the second belt wheel 013, the first belt wheels 71 and the second belt wheels 013 are connected through a conveying belt, and the driving motor 1 drives the two drill bits 2 to rotate simultaneously.

The hinge strips 8 are arranged between the two first sliding blocks 4 and the motor frame 011, through holes matched with the first cylindrical bulges 43 and the second cylindrical bulges 012 are respectively arranged at two ends of each hinge strip 8, the second cylindrical bulges 012 are sleeved in the two hinge strips 8, the first cylindrical bulges 43 on the first sliding blocks 4 are sleeved in the other ends of the two hinge strips 8 respectively, in order to keep stability, a gasket 15 is arranged at the upper end of one hinge strip 8, a gasket 15 is arranged at the lower end of the other hinge strip 8, the gasket 15 is sleeved with the first cylindrical bulges 43, threads are arranged at the upper end parts of the first cylindrical bulges 43 and the second cylindrical bulges 012, then a limit cover 12 is connected with the threads, the limit cover 12 limits the movement of the hinge strips 8, a through hole for the rotating shaft 7 to penetrate through is arranged on the limit cover 12 on the first cylindrical bulges 43, so that the first sliding blocks 4 move oppositely at the same time, the second sliding blocks, and the distance between the center of the motor frame 011 and the center of the first sliding block 4 is kept unchanged, so that the belt transmission is not influenced.

The front side of the first connecting strip 32 is also provided with a driving assembly for driving the two first sliding blocks 4 to move oppositely, the driving assembly comprises two mounting plates 10 and a two-way screw rod 11, the two mounting plates 10 are fixedly connected with the front side surface of the first connecting strip 32, two ends of the two-way screw rod 11 are rotatably connected with the two mounting plates 10, the two-way screw rod 11 is provided with a penetrating part at the right mounting plate 10, the penetrating part of the two-way screw rod 11 is fixedly connected with a hand-operated wheel, thread parts at two ends of the two-way screw rod 11 are opposite in rotating direction and have the same parameters, the front side of the concave block 6 is provided with two extending parts 61, the two extending parts 61 are respectively provided with thread through holes which are in thread fit with two ends of the two-way screw rod 11, so that the hand-operated wheel is rotated to drive the two sliding blocks 5 to move in opposite directions at the same speed, the distance between the two drill bits 2 is changed, not shown in the figure) so that it is convenient to know the value of the spacing between the two bits 2.

The first sliding block 4 and the second sliding block 5 are both provided with fixing components, each fixing component comprises a first bolt 9 and a first nut 91, the left side and the right side of the first sliding block 4 and the front side and the back side of the second sliding block 5 are both provided with a first extending part 42, each extending part is provided with a through hole through which the first bolt 9 penetrates, the first nut 91 is correspondingly arranged in the first sliding groove 321 and the second sliding groove 331, the first sliding groove 321 and the second sliding groove 331 are same in cross section and are both T-shaped, the nuts are positioned at the lower parts, the first nut 91 is a hexagon nut, two side surfaces of the first nut are attached to the first sliding groove 321 and the second sliding groove 331, so that the rotation of the first nut 91 is limited, the first bolt 9 can be screwed into the nuts by rotating the first bolt 9, a distance is reserved between the bottom of the first bolt 9 and the bottom of the first sliding rail and the second sliding rail, and the thickness of the first nut 91 is larger, firstly, the first bolt 9 is unscrewed, so that the first slide block 4 and the second slide block 5 can move, and after the adjustment is finished, the first bolt 9 is screwed again, and the first slide block 4 and the second slide block 5 are fixed.

Claims

1. The double-head punching machine comprises a driving motor (1), two drill bits (2) and is characterized by further comprising a rack (3), two first sliding blocks (4), two second sliding blocks (5) and a motor frame (011) similar to an omega shape, wherein the rack (3) comprises a support bar (31), a first connecting bar (32) arranged on the front side of the support bar (31), and a second connecting bar (33) arranged on the rear side of the support bar (31), the first connecting bar (32) is higher than the second connecting bar (33), the first connecting bar (32) is in a horizontal state, the second connecting bar (33) is in a vertical state, the top surface of the first connecting bar (32) is provided with a first T-shaped sliding groove (321), the bottoms of the first sliding blocks (4) are provided with a first protruding portion (41) matched with the first sliding groove (321), the first sliding blocks (4) are both connected with a concave block (6), and the drill bits (2) are connected with a rotating shaft (7), the connecting strip I (32) is provided with a waist-shaped groove (322) for the rotating shaft (7) to penetrate out and move, the central positions of the sliding block I (4) and the concave block (6) are respectively provided with a through hole for the rotating shaft (7) to penetrate out, the two ends of the rotating shaft (7) are respectively rotatably connected with the sliding block I (4) and the concave block (6), the upper end of the rotating shaft (7) is fixedly connected with a belt wheel I (71), the top surface of the connecting strip II (33) is provided with a T-shaped sliding groove II (331), the bottom of the sliding block II (5) is provided with a protrusion II (51) matched with the sliding groove II (331), the bottom of the motor frame (011) is fixedly connected with the sliding block II (5), the driving motor (1) is fixedly connected with the motor frame (011), the central position of the top surface of the motor frame (011) is provided with a through hole for the output shaft of the driving motor (1) to penetrate out, the, the belt wheel I (71) is connected with the belt wheel II (013), a hinge strip (8) is arranged between the two sliding blocks I (4) and the motor frame (011), a fixing assembly is arranged on each of the sliding blocks I (4) and the sliding blocks II (5), and a driving assembly for driving the two sliding blocks I (4) to move oppositely is further arranged on the front side of the connecting strip I (32).

2. The double-headed punch according to claim 1, wherein the fixing assembly comprises a first bolt (9) and a first nut (91), the left and right sides of the first slide block (4) and the front and rear sides of the second slide block (5) are provided with first extending parts (42), the extending parts are provided with through holes for the first bolt (9) to penetrate through, and the first nut (91) is correspondingly arranged in the first sliding groove (321) and the second sliding groove (331).

3. The double-headed punch according to claim 1, wherein the driving assembly comprises two mounting plates (10) and a two-way screw rod (11), the two mounting plates (10) are fixedly connected with the front side surface of the first connecting strip (32), two ends of the two-way screw rod (11) are rotatably connected with the two mounting plates (10), the front side of the female block (6) is provided with a second extension part (61), and the second extension part (61) is provided with a threaded through hole which is in threaded fit with two ends of the two-way screw rod (11).

4. The double-head punching machine according to claim 1, characterized in that the center of the first sliding block (4) is provided with a first cylindrical protrusion (43), the center of the top surface of the motor frame (011) is provided with a second cylindrical protrusion (012), and both ends of the hinge strip (8) are respectively provided with a through hole matched with the first cylindrical protrusion (43) and the second cylindrical protrusion (012).

5. The double-headed punch according to claim 4, wherein the upper end portions of the first cylindrical protrusion (43) and the second cylindrical protrusion (012) are provided with threads, and the first cylindrical protrusion (43) and the second cylindrical protrusion (012) are in threaded connection with the limit cap (12).

6. The double-headed punch according to claim 1, wherein the top surface of the first connecting strip (32) is provided with a graduated scale.

7. The double-headed hole punch according to claim 2, wherein the bottom of the first bolt (9) is spaced from the bottoms of the first slide rail and the second slide rail, and the thickness of the first nut (91) is greater than the spacing.