CN111761658B - Automatic bilateral tapping machine for forming saddle-shaped hole in batten of furniture assembly cabinet - Google Patents

Abstract

The invention relates to an automatic double-sided hole punching machine for punching saddle-shaped holes, in particular to an automatic double-sided punching machine for punching saddle-shaped holes for wooden strips of furniture assembly cabinets. Technical scheme: an automatic double-sided hole punching machine for making saddle-shaped holes for wooden strips in furniture assembly cabinets, comprising: a workbench, a mounting plate is fixedly connected to the side wall of the workbench, a servo motor is arranged on the mounting plate, and the servo motor The output shaft passes through the mounting plate; there are two sliding rods, both of which are fixed on the side of the workbench away from the mounting plate, and two moving plates are slidably arranged between the two sliding rods. A drilling machine is installed on the top, and a drill bit is fixed on the drilling machine. The invention can fix the wood strip through the clamping mechanism, and can provide power for the moving mechanism through the servo motor, so that the front and rear drilling machines can be moved closer together, and the drill bits on the front and rear sides can move closer to each other and rotate, so that the movement of the wood strip can be adjusted. Punch holes on both sides.

Description

An automatic double-sided hole punching machine for making saddle-shaped holes for wooden strips of furniture assembly cabinets

technical field

The invention relates to an automatic double-sided hole punching machine for punching saddle-shaped holes, in particular to an automatic double-sided punching machine for punching saddle-shaped holes for wooden strips of furniture assembly cabinets.

Background technique

Punching refers to piercing or drilling holes in solid or solid materials with an instrument with a drill; perforating; piercing to make a hole.

After testing, the patent publication number CN108556075A discloses a high-efficiency bamboo and wood strip punching device, including a base, the upper surface of the base is provided with a groove, and both sides of the groove are provided with A first chute, the first chute is opened on the upper surface of the base, a sliding block is slidably connected in the first chute, a pressing plate is fixedly connected to the upper surface of the sliding block, and the sliding block is The left side is fixedly connected to the left side of the inner wall of the first chute through the telescopic device, the upper surface of the base is fixedly connected to the lower surface of the top plate through two side plates, and the lower surface of the top plate is fixedly connected to the upper surface of the drilling rig assembly body; The high-efficiency device for punching bamboo and wood strips cannot punch holes on both sides of the wood strips, and the punched wood strips are inconvenient to collect.

In view of the shortcomings of the existing technology, we have developed an automatic double-sided hole punching machine that can punch holes on both sides and can be easily collected to punch saddle-shaped holes for wooden strips of assembled cabinets.

SUMMARY OF THE INVENTION

In order to overcome the shortcomings of the existing high-efficiency bamboo and wood strip punching device, the two sides of the wood strip cannot be punched, and the wood strips after punching are inconvenient to collect. Automatic double-sided hole punching machine for punching holes on both sides and convenient collection of assembly cabinet wooden strips to punch saddle holes.

Technical solution: an automatic double-sided hole punching machine for making saddle-shaped holes for wooden strips in furniture assembly cabinets, comprising: a workbench, a mounting plate is fixedly connected to the side wall of the workbench, a servo motor is arranged on the mounting plate, and the servo motor The output shaft passes through the mounting plate; there are two sliding rods, both of which are fixed on the side of the workbench away from the mounting plate, and two moving plates are slidably arranged between the two sliding rods. A drilling machine is installed on the top, and a drill bit is fixed on the drilling machine; there are two retaining blocks and two, which are respectively installed at the bottom of the moving plate, and a spring is arranged between the first retaining block and the worktable. A contact wheel is rotatably arranged on the side of the retaining block 1 close to the spring 1; the moving mechanism is installed on the worktable on the lower side of the spring, the moving mechanism is connected with the output shaft of the servo motor, and the A holding table is arranged on the working table, a connecting plate is installed on the side wall of the holding table, and a feeding box is fixed between the upper parts of the two connecting plates; the fixing plate is installed on the working table near the mounting plate. On the side, a clamping mechanism is installed on the fixed plate;

The moving mechanism includes: a first rotating shaft, two rotating shafts are arranged on both sides of the worktable respectively, and a pulley 1 is installed on the lower part of the rotating shaft 1 on one side, and a second pulley is fixed on the output shaft of the servo motor. , Belt 1 is wound between pulley 1 and pulley 2, pulley 3 is installed on shaft 1 on the upper side of pulley 1, pulley 4 is installed on the lower part of shaft 1 on the other side, pulley 4 and pulley 3 Two belts are wound between them; one cam and two cams are installed on the upper part of the first rotating shaft respectively, and the first cam is in contact with the contact wheel;

The clamping mechanism includes: an installation frame, which is arranged on the fixing plate, a guide rod is slidably arranged on the installation frame, one end of the guide rod is fixed with a double-sided rack, and the two sides of the double-sided rack are rotatably arranged on the installation frame There is a gear one, the side of the mounting frame close to the gear one is rotatably connected with a sector gear, a connecting rod is fixedly connected to the sector gear, and a groove plate one is rotatably installed on the side away from the connecting plate on the holding table; the horizontal plate, There are two transverse plates, a pin rod 1 is fixedly connected to the side wall of the transverse board, the pin rod 1 is located in the corresponding groove board 1, and a clamping plate is fixed on the side wall of the transverse board away from the pin rod 1, Sleeves are embedded on the clamping plates on both sides of the horizontal plate, mounting blocks are installed on the outer side walls of the two horizontal plates, and a spring II is arranged between the two mounting blocks;

It also includes: the fifth pulley, which is fixed on the lower part of the first rotating shaft, the rotating shaft one on the lower side of the fourth pulley is provided with the sixth pulley, the belt three is wound between the sixth pulley and the fifth pulley, and the fixing plate is far away from the mounting frame. One side of the cam is rotatably provided with the second rotating shaft; the second cam is installed on the upper part of the second rotating shaft, the bottom of the second cam is provided with a chute, the other end of the guide rod is fixed with a slider, and the slider is slidably located in the chute;

It also includes: a concave plate, which is fixed on the top of the double-sided rack, a turning block 1 is rotatably provided on the concave plate, and a stopper is fixed on the side of the concave plate close to the turning block 1; the connecting frame, It is arranged on the holding table on the lower side of the second spring, and the connecting frame is rotatably provided with a second groove plate. A spring three is fixed between the groove plate two and the holding table, and a pin rod two is fixed on the side wall of the push plate. , the pin rod two is sliding type and is provided with a groove plate two, a guide plate is fixed on the holding table on the upper side of the spring two, the push plate is in contact with the guide plate, the lower part of the groove plate two is rotatably provided with a turning block two, and the turning block two is connected with the guide plate. Turn the blocks together.

In addition, it is particularly preferable that the material of the push plate is a rubber material.

The beneficial effects are:

1. The present invention can fix the wooden strips through the clamping mechanism, and can provide power for the moving mechanism through the servo motor, so that the front and rear drilling machines can be moved closer together, and the drill bits on the front and rear sides can be moved closer together and rotated. Punch holes on the front and back sides of the strip;

2. By rotating the second cam, the user does not need to move the guide rod to the right, which can reduce the user's workload;

3. By moving the concave plate to the right and to the left, because the top of the holding table is set at a high, right and low angle, the punched wooden strips can be pushed out from the holding table, so that the wooden strips can be easily added. and collection.

Description of drawings

FIG. 1 is a schematic diagram of the three-dimensional structure of the present invention.

FIG. 2 is a schematic diagram of a first partial three-dimensional structure of the present invention.

FIG. 3 is a partial three-dimensional structural schematic diagram of the moving mechanism of the present invention.

FIG. 4 is a schematic three-dimensional structure diagram of the third pulley according to the present invention.

FIG. 5 is a partial three-dimensional structural schematic diagram of the clamping mechanism of the present invention.

FIG. 6 is a schematic diagram of a second partial three-dimensional structure of the present invention.

FIG. 7 is a schematic three-dimensional structure diagram of the clamping plate of the present invention.

FIG. 8 is a schematic diagram of a third partial three-dimensional structure of the present invention.

FIG. 9 is a schematic three-dimensional structure diagram of the second cam of the present invention.

FIG. 10 is a schematic three-dimensional structure diagram of the second rotating block according to the present invention.

In the reference numerals: 1...table, 2...mounting plate, 3...servo motor, 4...slide bar, 5...moving plate, 6...drilling machine, 7. ..drill, 8...retaining block one, 9...spring one, 10...contact wheel, 11...moving mechanism, 111...rotating shaft one, 112...belt pulley one, 113 ... pulley two, 114... belt one, 115... pulley three, 116... pulley four, 117... belt two, 118... cam one, 12... full bloom Table, 13...Connecting plate, 14...Unloading box, 15...Fixing plate, 16...Clamping mechanism, 167...Mounting frame, 168...Guide rod, 1610... Double-sided rack, 1611...Gear 1, 1612...Sector gear, 1613...Connecting rod, 1614...Slot plate 1, 1615...Cross plate, 1616...Pin rod 1, 1617 ... clamping plate, 1618... bushing, 1619... mounting block, 1620... spring two, 17... pulley five, 171... pulley six, 172... belt three , 173...shaft two, 174...cam two, 175...chute, 176...slider, 18...concave plate, 181...turn block one, 19...stop block, 20...connecting frame, 21...groove plate two, 22...spring three, 23...push plate, 24...pin rod two, 25...guide plate, 26...turn block two.

Detailed ways

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

Example 1

An automatic double-sided hole punching machine for making saddle-shaped holes for wooden strips of furniture assembly cabinets, as shown in Figures 1 and 2, includes a workbench 1, a mounting plate 2, a servo motor 3, a slide bar 4, a moving plate 5, Drilling machine 6, drill bit 7, retaining block 1 8, spring 1 9, contact wheel 10, moving mechanism 11, holding table 12, connecting plate 13, unloading box 14, fixing plate 15 and clamping mechanism 16, work The front part of the left side wall of the table 1 is provided with a mounting plate 2, the servo motor 3 is installed on the mounting plate 2 by bolts, the output shaft of the servo motor 3 passes through the mounting plate 2, and two sliding bars 4 are fixed on the upper part of the work table 1 , two moving plates 5 are slidably arranged between the two sliding bars 4, the top of the moving plate 5 is installed with a drilling machine 6 through bolts, a drill bit 7 is installed on the drilling machine 6, and the bottom of the moving plate 5 is fixed with a Retention block one 8, a spring one 9 is connected between the retainer block one 8 and the workbench 1, a contact wheel 10 is rotatably provided on the retainer block one 8, the contact wheel 10 is located on the lower side of the spring one 9, and the contact wheel 10. A moving mechanism 11 is installed on the worktable 1 on the lower side, and the moving mechanism 11 is fixedly connected with the output shaft of the servo motor 3. The worktable 1 between the two moving plates 5 is provided with a holding table 12. The holding table 12 A connecting plate 13 is installed on both the front and rear side walls, a feeding box 14 is installed between the upper parts of the two connecting plates 13, a fixing plate 15 is installed on the workbench 1 on the rear side of the installation plate 2, and a fixing plate 15 is installed on the fixing plate 15. Clamping mechanism 16 .

When it is necessary to punch holes in the wooden strips, the user puts an appropriate amount of wooden strips into the unloading box 14 neatly, and the wooden strips in the unloading box 14 then drop down on the holding table 12, and then the user starts the servo The motor 3 makes the moving mechanism 11 work, and then the user starts the drilling machine 6 to make the drill bit 7 rotate. At the same time, the user clamps and fixes the wooden strips dropped on the holding table 12 through the clamping mechanism 16, and the moving mechanism 11 works. It can provide power for the front and rear retaining blocks 18 to move closer together, and the spring 19 stretches accordingly. Moving closer to each other can make the front and rear drilling machines 6 move closer together, and the drill bits 7 on the front and rear sides move closer to each other. As the drill bits 7 on the front and rear sides move toward each other and rotate, holes can be drilled on the front and rear sides of the wooden strip. , when the wooden strip is punched, the moving mechanism 11 stops providing power to the front and rear retaining blocks 1 8, so that the front and rear drilling machines 6 can be moved away from each other under the action of the spring 1 9. The clamping mechanism 16 contacts and fixes the punched wooden strips, and then the user pushes the punched wooden strips to the right to move them out, and the wooden strips in the unloading box 14 drop down on the holding table 12 again. , the user can then repeat the above operations to punch holes in the wooden strips. When all the wooden strips are punched, the user can turn off the servo motor 3.

Example 2

On the basis of Embodiment 1, as shown in Figure 1, Figure 2, Figure 3 and Figure 4, the moving mechanism 11 includes a rotating shaft 111, a pulley 112, a second pulley 113, a belt 114, a pulley 3 115. The fourth pulley 116, the second belt 117 and the first cam 118. There are two rotating shafts 111, which are respectively rotatably arranged on the front and rear sides of the workbench 1. The lower part of the front rotating shaft 111 is installed with a pulley 112. A second pulley 113 is fixed on the output shaft of the servo motor 3, a belt one 114 is wound between the first pulley 112 and the second pulley 113, and a third pulley 115 is installed on the rotating shaft one 111 on the upper side of the first pulley 112. The lower part of the first side rotating shaft 111 is fixed with a fourth pulley 116 , and a second belt 117 is wound between the fourth pulley 116 and the third pulley 115 .

When the wood strip needs to be punched, the user starts the servo motor 3 to make the second pulley 113 rotate, the first belt 114 can make the pulley 112 rotate, and the first pulley 112 can rotate through the front side shaft 111 to make the third pulley rotate. 115 rotates, the pulley four 116 can be rotated through the belt two 117, the pulley four 116 can rotate the rear side shaft one 111, and the rotation of the shaft one 111 can drive the cam one 118 to rotate, the current and rear two cam one 118 rotate When the front and rear contact wheels 10 are squeezed toward each other, the spring one 9 is stretched accordingly, so that the drill bits 7 on the front and rear sides can make holes on both sides of the wooden strip, and the front and rear two cams 118 rotate without pressing. When the front and rear two contact wheels 10, the drill bits 7 on the front and rear sides can be reset under the action of the spring 1 9, so that the two sides of the wooden strip can be easily punched. After the wooden strip is punched, the user turns off the servo motor. 3.

As shown in Figure 1, Figure 5, Figure 6 and Figure 7, the clamping mechanism 16 includes a mounting frame 167, a guide rod 168, a double-sided rack 1610, a gear 1611, a sector gear 1612, a connecting rod 1613, a groove plate 1 1614, horizontal plate 1615, pin one 1616, clamping plate 1617, sleeve 1618, mounting block 1619 and spring two 1620, a mounting bracket 167 is welded on the right side of the top of the fixed plate 15, and a sliding guide is provided on the mounting bracket 167. Rod 168, the right end of the guide rod 168 is fixed with a double-sided rack 1610, the mounting frame 167 on both sides of the double-sided rack 1610 is rotatably connected with a gear 1 1611, and the mounting frame 167 is rotatably connected with two sector gears 1612 , the first two gears 1611 are located between the two sector gears 1612, the gear one 1611 meshes with the corresponding sector gears 1612, the sector gears 1612 are installed with connecting rods 1613, and the lower parts of both sides of the holding table 12 are rotatably installed with grooves Plate one 1614 and two horizontal plates 1615, a pin rod one 1616 is fixed on the side wall of the horizontal plate 1615, the pin rod one 1616 is located in the corresponding groove plate one 1614, and a clamping plate 1617 is installed on the horizontal plate 1615. , the front and rear sides of the clamping plate 1617 are embedded with sleeves 1618 , the outer side walls of the two transverse plates 1615 are installed with mounting blocks 1619 , and a spring II 1620 is arranged between the two mounting blocks 1619 .

When the wooden bar on the holding table 12 needs to be clamped and fixed, the user moves the guide rod 168 to the right, and the guide rod 168 moves to the right to move the double-sided rack 1610 to the right, and the double-sided rack 1610 moves to the right The front and rear two gears 1611 can be rotated, the front and rear two gears 1611 can be rotated, the sector gear 1612 can be rotated, and the front and rear two sector gears 1612 can be rotated to make the front and rear two connecting rods 1613. The upper parts of the front and rear groove plates 1614 can be swayed closer together. Through the cooperation of the groove plate 1 1614 and the pin rod 1 1616, the front and rear transverse plates 1615 can be moved closer together, and the front and rear transverse plates 1615 can be moved closer together by clamping The plate 1617 can clamp and fix the wooden strips on the holding table 12, and the front and rear horizontal plates 1615 can move closer together to make the front and rear two mounting blocks 1619 move closer together, and the spring two 1620 compresses accordingly. The clamped wooden strips can be drilled through the sleeve 1618 when they are moved closer together. After the drilling is completed, after the drills on the front and rear sides are separated from each other and reset, the user can move the guide rod 168 to the left. Under the action, the front and rear clamping plates 1617 can be kept away from each other, and then the user can move the punched wooden strip to the right and push it out.

Example 3

On the basis of Embodiment 2, as shown in Figure 1, Figure 8 and Figure 9, it also includes five pulleys 17, six pulleys 171, three belts 172, two rotating shafts 173, two cams 174 and sliders 176, The fifth pulley 17 is installed at the lower part of the first rotating shaft 111, and the rotating shaft one 111 on the lower side of the fourth pulley 116 is provided with a sixth pulley 171. Between the sixth pulley 171 and the fifth pulley 17, a belt three 172 is wound, and the fixing plate 15 The second cam 174 is fixedly connected to the upper part of the second shaft 173, the bottom of the second cam 174 is provided with a chute 175, the left end of the guide rod 168 is fixed with a slider 176, and the slider 176 slides Located in the chute 175.

The rotation of the rear side shaft one 111 can make the pulley five 17 rotate, and the belt three 172 can make the pulley six 171 rotate. With the cooperation of the slider 176, when the second cam 174 rotates and squeezes the slider 176 to move to the right, the wooden bar can be fixed in this way. Therefore, the user does not need to move the guide rod 168 to the right, thereby reducing the workload of the user.

As shown in Figure 1, Figure 6 and Figure 10, it also includes a concave plate 18, a rotating block 181, a stop block 19, a connecting frame 20, a second groove plate 21, a spring three 22, a push plate 23, and a second pin rod 24 , the guide plate 25 and the second turning block 26, the top of the double-sided rack 1610 is provided with a concave plate 18, the concave plate 18 is rotatably provided with a turning block 181, and the concave plate 18 is fixed with a block 19. The block 19 is located on the left side of the turning block 1 181, the holding table 12 on the lower side of the spring two 1620 is provided with a connecting frame 20, and the connecting frame 20 is rotatably provided with a groove plate 21, the groove plate 21 and the holding table 12. A spring three 22 is connected between them, a pin rod two 24 is fixed on the side wall of the push plate 23, the pin rod two 24 is slidably provided with a groove plate two 21, and the holding table 12 on the upper side of the spring two 1620 is fixedly connected There is a guide plate 25 , the push plate 23 is in contact with the guide plate 25 , the lower part of the groove plate 21 is rotatably provided with a turning block 2 26 , and the turning block 2 26 cooperates with the turning block 1 181 .

Moving the double-sided rack 1610 to the right can move the concave plate 18 to the right, and moving the concave plate 18 to the right can make the turning block 1 181 move to the right. , the turning block 1 181 continues to move to the right, so that the lower part of the second groove plate 21 can swing to the right through the turning block 2 26, the upper part of the groove plate 2 21 swings to the left, and the spring 3 22 is stretched accordingly. The cooperation between the second plate 21 and the second pin 24 can make the push plate 23 move to the left. When the first turning block 181 moves to the right away from the second turning block 26, under the action of the third spring 22, the pushing plate 23 can be moved to the right. Move and reset, when the double-sided rack 1610 moves to the left, the turning block 1 181 can move to the left to contact the turning block 2 26, and the turning block 1 181 continues to move to the left, so that the lower part of the groove plate 21 can be moved to the left. Swing to the left, the upper part of the second groove plate 21 swings to the right, and the spring three 22 is compressed accordingly, the upper part of the second groove plate 21 swings to the right to move the push plate 23 to the right, and the push plate 23 moves to the right to punch The rear wooden strip is pushed to the right, because the top of the holding table 12 is inclined in a high-middle and right-low manner, so the perforated wooden strip can be pushed out from the holding table 12, and the wooden strip in the unloading box 14 can be pushed out again. The drop falls on the holding table 12, so that the wood strips can be added and collected conveniently.

The above-mentioned embodiments are only preferred embodiments of the present invention, and are not intended to limit the scope of implementation of the present invention. Therefore, all equivalent changes made based on the contents described in the claims of the present invention shall be included within the scope of the claims of the present invention. .

Claims (2)

1. an automatic double-sided hole punching machine for making saddle-shaped holes by a wooden strip of a furniture assembly cabinet, is characterized in that, comprises: A workbench (1), a mounting plate (2) is fixedly connected to the side wall of the workbench (1), a servo motor (3) is arranged on the mounting plate (2), and an output shaft of the servo motor (3) passes through the mounting plate (2); There are two sliding rods (4), both of which are fixed on the side of the workbench (1) away from the mounting plate (2), and two sliding rods (4) are slidably provided with a moving plate (5), a drilling machine (6) is installed on the top of the moving plate (5), and a drill bit (7) is fixed on the drilling machine (6); One retaining block (8), there are two retaining blocks (8), which are respectively installed on the bottom of the moving plate (5), and a spring one (8) is arranged between the retaining block (8) and the workbench (1). (9), a contact wheel (10) is rotatably provided on the side of the retaining block one (8) close to the spring one (9); The moving mechanism (11) is installed on the table (1) on the lower side of the spring one (9). The moving mechanism (11) is connected with the output shaft of the servo motor (3), and the two moving plates (5) A holding table (12) is arranged on the work table (1) between ), a connecting plate (13) is installed on the side wall of the holding table (12), and a connecting plate (13) is fixed between the upper parts of the two connecting plates (13). unloading box (14); a fixing plate (15), the fixing plate (15) is installed on the side of the workbench (1) close to the mounting plate (2), and a clamping mechanism (16) is installed on the fixing plate (15); The moving mechanism (11) includes: One rotating shaft (111), two rotating shafts (111) are provided on both sides of the worktable (1) in a rotatable manner, and a pulley (112) is installed on the lower part of one rotating shaft (111) on one side, and the servo A second pulley (113) is fixed on the output shaft of the motor (3), a belt one (114) is wound between the first pulley (112) and the second pulley (113), and the rotating shaft on the upper side of the first pulley (112) A pulley three (115) is installed on one (111), and a pulley four (116) is installed on the lower part of the other side of the rotation shaft one (111). belt two(117); Cam one (118), two cams (118) are installed on the upper part of the rotating shaft one (111) respectively, and the one cam (118) is in contact with the contact wheel (10); The clamping mechanism (16) includes: The mounting bracket (167) is arranged on the fixing plate (15), the mounting bracket (167) is slidably provided with a guide rod (168), and one end of the guide rod (168) is fixedly connected with a double-sided rack (1610). Gear 1 (1611) is rotatably arranged on the mounting brackets (167) on both sides of the surface rack (1610), and a sector gear (1612) is rotatably connected to the side of the mounting bracket (167) close to the gear 1 (1611). A connecting rod (1613) is fixedly connected to the sector gear (1612), and a groove plate (1614) is rotatably installed on the side of the holding table (12) away from the connecting plate (13); Horizontal plate (1615), there are two horizontal plates (1615), a pin rod (1616) is fixed on the side wall of the horizontal board (1615), and the pin rod one (1616) is located in the corresponding groove plate one (1614) Inside, a side wall of the horizontal plate (1615) away from the first pin (1616) is fixed with a clamping plate (1617), and sleeves are embedded in the clamping plates (1617) on both sides of the horizontal plate (1615). (1618), mounting blocks (1619) are installed on the outer side walls of the two transverse plates (1615), and two springs (1620) are arranged between the two mounting blocks (1619); Also included are: The fifth pulley (17) is fixed on the lower part of the first rotating shaft (111), and the rotating shaft one (111) on the lower side of the fourth pulley (116) is installed with the sixth pulley (171), the sixth pulley (171) and the pulley A belt three (172) is wound between the five (17), and a rotating shaft two (173) is rotatably arranged on the side of the fixing plate (15) away from the mounting frame (167); The second cam (174) is installed on the upper part of the second rotating shaft (173). The bottom of the second cam (174) is provided with a chute (175), and the other end of the guide rod (168) is fixed with a slider (176), the slider (176). 176) The sliding type is located in the chute (175); Also included are: The concave plate (18) is fixed on the top of the double-sided rack (1610). The concave plate (18) is rotatably provided with a turning block one (181), and the concave plate (18) is close to the turning block one (181). One side of 181) is fixed with a stopper (19); The connecting frame (20) is arranged on the holding table (12) on the lower side of the second spring (1620). A spring three (22) is fixed between the table (12), a pin rod two (24) is fixed on the side wall of the push plate (23), and the pin rod two (24) is slidingly provided with a groove plate two (21). Inside, the holding table (12) on the upper side of the second spring (1620) is fixed with a guide plate (25), the push plate (23) is in contact with the guide plate (25), and the lower part of the second groove plate (21) has a rotary Block two (26), turn block two (26) and turn block one (181). 2 . The automatic double-sided hole punching machine for making saddle-shaped holes for wooden strips of furniture assembly cabinets according to claim 1 , wherein the material of the push plate ( 23 ) is a rubber material. 3 .

Images