CN112518918A

CN112518918A - Timber tenon fourth of twelve earthly branches cutting equipment for building materials

Info

Publication number: CN112518918A
Application number: CN202011095118.9A
Authority: CN
Inventors: 黄禄珍
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-14
Filing date: 2020-10-14
Publication date: 2021-03-19

Abstract

The invention relates to cutting equipment, in particular to timber mortise and tenon cutting equipment for building materials. Mainly provides a timber tenon fourth of twelve earthly branches cutting equipment for building materials that relies on the accurate cutting of machine, once only accomplishes the cutting, need not the staff contact cutting machine, ensures safety and quality. The utility model provides a timber tenon fourth of twelve earthly branches cutting equipment for building materials, including: the reciprocating mechanism is connected between the left side and the right side of the top of the base; the cutting mechanism is connected to the reciprocating mechanism. By arranging the air cylinder, the telescopic rod of the air cylinder stretches and retracts to drive the cutting mechanism to reciprocate back and forth, so that the wood block can be cut; through setting up the straight-teeth rack and the cooperation of second spur gear, drive the cardboard and cut the billet, and keep the state among the cutting process, the cooperation is cut.

Description

Timber tenon fourth of twelve earthly branches cutting equipment for building materials

Technical Field

The invention relates to cutting equipment, in particular to timber mortise and tenon cutting equipment for building materials.

Background

The tenon-and-mortise work is a main structure mode of ancient Chinese buildings, furniture and other instruments, and is a connection mode combining concave-convex parts on two components, and is characterized by that on the object no nail is used, and the mortise-and-tenon work is used to reinforce the object, if the mortise-and-mortise work is properly used, two wood structures can be tightly fastened together so as to attain the goal of "seamless" in the sky.

Traditional skill cuts tenon fourth of twelve earthly branches and need calculate each item data angle of required tenon fourth of twelve earthly branches earlier, relies on the artifical scale mark that carries out of data afterwards on the billet, uses the cutting saw bit to cut according to the mark, and this method relies on manual cutting, and the cutting angle lines is not accurate, influences tenon fourth of twelve earthly branches quality easily, and manual contact cutting machine has the potential safety hazard simultaneously, and efficiency is not high.

Disclosure of Invention

Rely on artifical cutting in order to overcome traditional cutting method, the cutting angle lines is not accurate, influences the quality of tenon fourth of the twelve earthly branches easily, and artifical contact cutting machine has the potential safety hazard simultaneously, and the not high shortcoming of efficiency, the technical problem that solves is: the timber tenon-and-mortise cutting equipment for the building materials is capable of accurately cutting by a machine, finishing cutting at one time, avoiding manual contact with a cutting machine and guaranteeing safety and quality.

The technical scheme of the invention is as follows: the utility model provides a timber tenon fourth of twelve earthly branches cutting equipment for building materials, including:

the reciprocating mechanism is connected between two sides of the top of the base;

the cutting mechanism is connected to the reciprocating mechanism.

As a preferable aspect of the present invention, the reciprocating mechanism includes:

the supporting frame is arranged on one side of the top of the base;

the two sides of the upper part of the support frame are connected with air cylinders, and telescopic rods of the air cylinders are connected with pushing blocks;

the sliding rail is connected between the two sides of the support frame and the top of the base, and the sliding rail is connected with the same-side pushing block in a sliding manner.

As a preferable technical solution of the present invention, the cutting mechanism includes:

the mounting frames are connected to one sides of the pushing blocks and are in sliding fit with the slide rails on the same side;

the high-speed motors are connected to two sides of the mounting frame, first rotating shafts are connected to output shafts of the high-speed motors, and the first rotating shafts penetrate through the mounting frame and are rotatably connected with the mounting frame;

the two sides of the mounting rack are rotatably connected with the second rotating shaft;

the two sides of the mounting frame are symmetrically and rotatably connected with the third rotating shaft, and the inner side of the third rotating shaft and the two sides of the second rotating shaft are provided with cutting saw blades;

the belt pulley assembly is connected between the second rotating shaft and the first rotating shaft on the same side;

helical gears are arranged on the outer side of the third rotating shaft and on two sides of the first rotating shaft, and the helical gears are meshed with each other.

As a preferred technical solution of the present invention, the present invention further comprises a clamping and positioning mechanism, wherein the clamping and positioning mechanism comprises:

the bearing seats are symmetrically arranged on one side of the top of the support frame, a fourth rotating shaft is connected between the bearing seats, and two sides of the fourth rotating shaft are connected with first straight gears;

the upper part of the support frame is provided with a limiting block, the limiting block is connected with 2 tooth columns in a sliding manner, and the tooth columns are all meshed with the first straight gears on the same side;

the clamping plates are connected to the bottoms of the toothed columns;

the middle part of the mounting rack is connected with a straight rack;

the sleeve is connected to the fourth rotating shaft, a plurality of first springs are uniformly connected to the outer side of the sleeve, and the other end of each first spring on the same side is connected with a sliding block;

and a second straight gear is connected between the outer sides of the second straight gear and the sliding block, and the second straight gear is meshed with the straight rack.

As a preferable technical solution of the present invention, the present invention further includes a collecting mechanism, the collecting mechanism includes:

the supporting legs are symmetrically arranged on one side of the top of the base, and the tops of the supporting legs are connected with mounting frames;

the wood chip collecting frame is arranged on one side of the bottom of the inner wall of the mounting frame in a sliding mode;

the garbage collection frame, the installation frame inner wall bottom opposite side slidingtype is equipped with the garbage collection frame.

As a preferable aspect of the present invention, the present invention further includes a rotation mechanism, the rotation mechanism including:

the inner sides of the mounting frames are both connected with a first fixing plate, both sides of the first fixing plate are both connected with a second spring, a ratchet bar is connected between the inner sides of the second springs, and the ratchet bar is connected with the first fixing plate in a sliding manner;

the mounting frame is rotatably connected with a fifth rotating shaft, the top of the fifth rotating shaft is connected with a ratchet wheel, and the ratchet wheel is meshed with the ratchet bar;

the bottom of the fifth rotating shaft is connected with a rotating plate, and the rotating plate is rotatably connected with the inner wall of the mounting frame.

As a preferred technical scheme of the invention, the device also comprises a material pushing mechanism, wherein the material pushing mechanism comprises:

the second fixing plate is symmetrically arranged on one side of the top of the support frame, and the upper parts of the second fixing plates are connected with third springs;

one side of the support frame is connected with 2 first sliding plates in a sliding manner, and the first sliding plates are connected with third springs on the same side;

the top of the support frame is rotatably connected with a sixth rotating shaft, and both sides of the sixth rotating shaft are fixedly connected with connecting rods;

the bottom of the mounting rack is symmetrically provided with a third fixing plate which is rotatably connected with the upper part of the connecting rod on the same side;

the bottom of the connecting rod is rotatably connected with a second sliding plate which is connected with the supporting frame in a sliding way;

the second sliding plate is connected with a second spring;

the other end of the fourth spring is connected with a toggle block, the toggle block is connected with the second sliding plate in a sliding mode, and the toggle block is matched with the first sliding plate.

As a preferred technical scheme of the invention, the inner wall of the mounting frame is provided with a transverse groove, and the transverse groove is matched with the rotating plate.

Has the advantages that: by arranging the air cylinder, the telescopic rod of the air cylinder stretches and retracts to drive the cutting mechanism to reciprocate back and forth, so that the wood block can be cut; the straight rack is matched with the second straight gear to drive the clamping plate to cut the wood block, and the wood block is kept in a state in the cutting process and is matched with the cutting; screening after the sawdust and the residual wood blocks fall off by arranging a fifth rotating shaft which rotates in a single direction; the rotating plate rotates to be matched with a transverse groove formed in the inner wall of the mounting frame, so that wood blocks and wood dust are screened, collected separately and conveniently recycled; the moving range of the first sliding plate is limited, so that the first sliding plate can be driven to move forwards only when the shifting block moves forwards, the tenon and mortise completed by cutting are pushed out, and the working personnel can take out and collect the tenon and mortise conveniently.

Drawings

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

Fig. 2 is a schematic perspective view of the cutting mechanism of the present invention.

Fig. 3 is a schematic perspective view of the reciprocating mechanism of the present invention.

Fig. 4 is a schematic perspective view of the clamping and positioning mechanism of the present invention.

Fig. 5 is a schematic view of a part of a cross-sectional perspective structure of the clamping and positioning mechanism of the present invention.

Fig. 6 is a schematic perspective view of a portion of the collecting mechanism of the present invention.

Fig. 7 is a schematic sectional exploded perspective view of the rotary mechanism of the present invention.

Fig. 8 is a schematic sectional perspective view of the pushing mechanism of the present invention.

Labeled as: a base, 2.. cutting mechanism, 21.. mounting bracket, 22.. high speed motor, 23.. first pivot, 24.. second pivot, 25.. pulley assembly, 26.. cutting blade, 27.. helical gear, 28.. third pivot, 3.. reciprocating mechanism, 31.. support frame, 32.. slide rail, 33.. air cylinder, 34.. pushing block, 4.. clamping positioning mechanism, 41.. bearing block, 42.. fourth pivot, 43.. first straight gear, 44.. toothed column, 45.. stop block, 46.. snap plate, 47.. straight toothed strip, 48.. second straight gear, 49.. sleeve, 410.. first spring, 411.. 5.. collecting block, 51.. 53. sliding block, a waste collection frame, 6.. a rotation mechanism, 61.. a first fixed plate, 62.. an ratchet bar, 63.. a second spring, 64.. a ratchet wheel, 65.. a fifth rotation shaft, 66.. a rotation plate, 7.. a material pushing mechanism, 71.. a first sliding plate, 72.. a third spring, 73.. a second fixed plate, 74.. a second sliding plate, 75.. a toggle block, 76.. a fourth spring, 77.. a third fixed plate, 78.. a sixth rotation shaft, 79.. a connection rod.

Detailed Description

The invention is described in further detail below with reference to the drawings and the detailed description, but the invention is not limited to the scope of protection and application.

Example 1

A timber tenon fourth of twelve earthly branches cutting equipment for building materials, as shown in figure 1, including base 1, cutting mechanism 2 and reciprocating mechanism 3, be connected with reciprocating mechanism 3 between the base 1 top left and right sides, be connected with cutting mechanism 2 on the reciprocating mechanism 3.

When the staff need make the tenon fourth of twelve earthly branches, need start cutting mechanism 2 earlier, start 3 work of reciprocating mechanism afterwards and drive cutting mechanism 2 reciprocating motion all around, so, only need the staff to place the billet on reciprocating mechanism 3, cutting mechanism 2 remove in the time to the billet cut can, the cutting finishes, stop cutting mechanism 2 and 3 work of reciprocating mechanism, again to the tenon fourth of twelve earthly branches collect can.

Example 2

On the basis of embodiment 1, as shown in fig. 2 and 3, the reciprocating mechanism 3 includes a supporting frame 31, a sliding rail 32, a cylinder 33 and a pushing block 34, the supporting frame 31 is disposed on the rear side of the top of the base 1, the cylinders 33 are connected to the left and right sides of the upper portion of the supporting frame 31, telescopic rods of the cylinders 33 are connected to the pushing block 34, the sliding rail 32 is connected between the front sides of the left and right sides of the supporting frame 31 and the top of the base 1, and the sliding rail 32 is connected with the pushing block 34 on the same side in.

The cutting mechanism 2 comprises a mounting frame 21, a high-speed motor 22, a first rotating shaft 23, a second rotating shaft 24, a belt pulley assembly 25, a cutting saw blade 26, a bevel gear 27 and a third rotating shaft 28, wherein the mounting frame 21 is connected to the front side of a pushing block 34, the mounting frame 21 is in sliding fit with a slide rail 32 on the same side, the high-speed motor 22 is connected to both sides of the mounting frame 21, the first rotating shaft 23 is connected to an output shaft of the high-speed motor 22, the first rotating shaft 23 penetrates through the mounting frame 21 and is connected with the mounting frame in a rotating manner, the second rotating shaft 24 is connected to both sides of the mounting frame 21 in a rotating manner, the third rotating shaft 28 is connected to both sides of the mounting frame 21 in a rotating manner, the cutting saw blade 26 is arranged on the inner side of the third rotating shaft 28 and both sides of the second rotating shaft 24, the belt pulley assembly 25 is connected between, the helical gears 27 are engaged with each other.

The worker can start the high-speed motor 22 to rotate, the high-speed motor 22 rotates to drive the belt pulley assembly 25 to rotate through the first rotating shaft 23, the belt pulley assembly 25 rotates to drive the inner cutting saw blade 26 to rotate through the second rotating shaft 24, meanwhile, the first rotating shaft 23 rotates to drive the third rotating shaft 28 to rotate through the bevel gear 27, the third rotating shaft 28 rotates to drive the front cutting saw blade 26 to rotate, so that a cutting surface with a fixed shape can be formed, then, the air cylinder 33 is started, the telescopic rod of the air cylinder 33 extends to drive all parts of the cutting mechanism 2 to move forwards through the pushing block 34, at the moment, the worker only needs to place a wood block on the front side of the supporting frame 31 to wait for the forward movement of the cutting saw blade 26 to cut the wood block, after the cutting is finished, the telescopic rod of the air cylinder 33 contracts to drive all parts to move backwards to reset, so that the reciprocating motion can be, and then collecting the mortise and tenon joints.

Example 3

On the basis of embodiment 2, as shown in fig. 4 to 8, the present invention further comprises a clamping and positioning mechanism 4, the clamping and positioning mechanism 4 comprises bearing seats 41, a fourth rotating shaft 42, first spur gears 43, toothed columns 44, limiting blocks 45, a clamping plate 46, a spur rack 47, second spur gears 48, sleeves 49, first springs 410 and sliding blocks 411, the bearing seats 41 are symmetrically arranged on the front side of the top of the supporting frame 31, the fourth rotating shaft 42 is connected between the bearing seats 41, the first spur gears 43 are connected to the left and right sides of the fourth rotating shaft 42, the limiting block 45 is arranged on the front side of the upper portion of the supporting frame 31, the limiting blocks 45 are slidably connected with 2 toothed columns 44, the toothed columns 44 are engaged with the first spur gears 43 on the same side, the clamping plate 46 is connected to the bottom of the toothed columns 44, the spur rack 47 is connected to the bottom side of the middle portion of the mounting frame 21, the sleeves 49 are connected, the other end of the first spring 410 on the same side is connected with a sliding block 411, a second straight gear 48 is connected between the outer sides of the sliding blocks 411, and the second straight gear 48 is meshed with the straight rack 47.

Still including collecting mechanism 5, collect mechanism 5 and collect frame 53 and garbage collection frame 54 including supporting legs 51, installing frame 52, saw-dust, base 1 top front side symmetry is equipped with supporting legs 51, and the supporting legs 51 top all is connected with installing frame 52, and installing frame 52 inner wall bottom left side slidingtype is equipped with saw-dust and collects frame 53, and installing frame 52 inner wall bottom right side slidingtype is equipped with garbage collection frame 54.

Still including rotary mechanism 6, rotary mechanism 6 is including first fixed plate 61, ratchet 62, second spring 63, ratchet 64, fifth pivot 65 and rotor plate 66, the lower part left and right sides of mounting bracket 21 all is connected with first fixed plate 61, both sides all are connected with second spring 63 around the first fixed plate 61, be connected with ratchet 62 between the second spring 63 inboard, sliding connection between ratchet 62 and the first fixed plate 61, the commentaries on classics formula is connected with fifth pivot 65 on the installing frame 52, fifth pivot 65 top is connected with ratchet 64, ratchet 64 and the meshing of ratchet 62, fifth pivot 65 bottom is connected with rotor plate 66, rotor plate 66 is connected with the inner wall rotary type of installing frame 52.

The material pushing device further comprises a material pushing mechanism 7, the material pushing mechanism 7 comprises a first sliding plate 71, a third spring 72, a second fixing plate 73, a second sliding plate 74, a toggle block 75, a fourth spring 76, a third fixing plate 77, a sixth rotating shaft 78 and a connecting rod 79, the second fixing plate 73 is symmetrically arranged on the rear side of the top of the support frame 31, the third spring 72 is connected to the front side of the upper portion of the second fixing plate 73, 2 first sliding plates 71 are slidably connected to the front side of the support frame 31, the rear side of each first sliding plate 71 is connected to the third spring 72 on the same side, the sixth rotating shaft 78 is rotatably connected to the top of the support frame 31, the connecting rods 79 are fixedly connected to the left side and the right side of the sixth rotating shaft 78, the third fixing plate 77 is symmetrically arranged at the bottom of the mounting frame 21, the third fixing plate 77 is rotatably connected to the upper portions of the connecting rods 79 on the same, the front part of the second sliding plate 74 is connected with a fourth spring 76, the other end of the fourth spring 76 is connected with a toggle block 75, the toggle block 75 is connected with the second sliding plate 74 in a sliding way, and the toggle block 75 is matched with the first sliding plate 71.

When a worker places a wood board between the support frame 31 and the clamping plate 46, the mounting frame 21 moves forward to drive the spur rack 47 to move forward, the spur rack 47 moves forward to drive the fourth rotating shaft 42 to rotate through the second spur gear 48, the fourth rotating shaft 42 rotates to drive the first spur gear 43 to rotate through the sleeve 49, the first spur gear 43 rotates to drive the toothed column 44 to move downward, the toothed column 44 moves downward to drive the clamping plate 46 to move downward to clamp and fix the wood block, at this time, the clamping plate 46 does not move any more to drive the fourth rotating shaft 42 to stop rotating, the fourth rotating shaft 42 stops rotating to drive the sliding block 411 to move inward through the first spring 410, the sliding block 411 moves inward, the sliding block 411 does not engage with the inner wall of the second spur gear 48 any more, so that the spur rack 47 continues to move forward to enable the clamping plate 46 to maintain a clamping state, and meanwhile, the mounting frame 21 moves forward to drive the ratchet, the ratchet bar 62 moves forward to contact with the ratchet wheel 64 without driving the ratchet wheel 64 to rotate, at this time, the second spring 63 is compressed, the ratchet bar 62 continues to move forward and no longer contacts with the ratchet wheel 64, which drives the second spring 63 to stretch and return, at the same time, the mounting frame 21 moves forward to drive the upper portion of the connecting rod 79 to rotate forward through the third fixing plate 77, the connecting rod 79 rotates to drive the second sliding plate 74 to move backward through the sixth rotating shaft 78, the second sliding plate 74 moves backward to drive the dial block 75 to move backward to contact with the first sliding plate 71, since the initial state of the first sliding plate 71 is limited, the dial block 75 moves backward and does not drive the first sliding plate 71 to move, at this time, the fourth spring 76 is compressed, when the dial block 75 continues to move backward and no longer contacts with the first sliding plate 71, the fourth spring 76 stretches and returns to drive the dial block 75 to return, so that the mounting frame 21 moves forward to cut the clamped wood block, the cut wood chips and residual wood blocks fall into the rotating plate 66, after the cutting, the telescopic rod of the cylinder 33 is contracted to drive the mounting frame 21 to move backwards, the mounting frame 21 moves backwards to drive the second straight gear 48 to rotate reversely through the straight rack 47, at the moment, the first spring 410 is stretched and reset to drive the sleeve 49 to move outwards to be matched with the second straight gear 48, so that the second straight gear 48 rotates to drive the fourth rotating shaft 42 to rotate through the sleeve 49, the fourth rotating shaft 42 rotates to drive the toothed column 44 to move upwards through the first straight gear 43, the toothed column 44 moves upwards to drive the clamping plate 46 to move upwards to not clamp tenon-and-mortise, meanwhile, the mounting frame 21 moves backwards to drive the ratchet rack 62 to move backwards through the first fixing plate 61, the ratchet rack 62 moves backwards to drive the fifth rotating shaft 65 to rotate through the ratchet 64, the fifth rotating shaft 65 rotates to drive the wood chips and residual wood blocks to rotate through the rotating plate 66, after the rotating plate 66 rotates 180 degrees, the wood blocks can be screened and dropped into the waste collecting frame 54, after the rotating plate 66 continues to rotate 180 degrees, the wood chips can be dropped into the wood chip collecting frame 53, at the moment, the ratchet bar 62 moves backwards and is not in contact with the ratchet wheel 64 any more, the rotating plate 66 stops rotating, meanwhile, the mounting frame 21 moves backwards and drives the poking block 75 to move forwards through the second sliding plate 74, the poking block 75 moves forwards to drive the first sliding plate 71 to move forwards to push the mortise and tenon, at the moment, the third spring 72 is stretched, when the poking block 75 continues to move forwards and is not in contact with the first sliding plate 71 any more, the third spring 72 contracts and resets, and then, a worker can collect the pushed mortise and tenon.

The above examples are merely representative of preferred embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, various changes, modifications and substitutions can be made without departing from the spirit of the present invention, and these are all within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. The utility model provides a timber tenon fourth of twelve earthly branches cutting equipment for building materials which characterized in that, including:

a reciprocating mechanism (3) is connected between two sides of the top of the base (1);

the cutting mechanism (2) is connected to the reciprocating mechanism (3).

2. A timber mortise and tenon joint cutting device for building materials as claimed in claim 1, wherein the reciprocating mechanism (3) comprises:

a support frame (31), wherein the support frame (31) is arranged on one side of the top of the base (1);

the two sides of the upper part of the support frame (31) are connected with the air cylinders (33), and telescopic rods of the air cylinders (33) are connected with pushing blocks (34);

the sliding rail (32) is connected between the two sides of the supporting frame (31) and the top of the base (1), and the sliding rail (32) is connected with the pushing block (34) on the same side in a sliding manner.

3. A timber mortise and tenon joint cutting device for building materials as claimed in claim 2, wherein the cutting means (2) comprises:

the mounting rack (21) is connected to one side of each pushing block (34), and the mounting racks (21) are in sliding fit with the slide rails (32) on the same side;

the high-speed motor (22) is connected to two sides of the mounting frame (21), the output shafts of the high-speed motor (22) are connected with first rotating shafts (23), and the first rotating shafts (23) penetrate through the mounting frame (21) and are connected with the mounting frame in a rotating mode;

the two sides of the mounting rack (21) are rotatably connected with the second rotating shaft (24);

the two sides of the mounting frame (21) are symmetrically and rotatably connected with the third rotating shaft (28) through the third rotating shaft (28), and cutting saw blades (26) are arranged on the inner side of the third rotating shaft (28) and the two sides of the second rotating shaft (24);

a belt pulley assembly (25) is connected between the second rotating shaft (24) and the first rotating shaft (23) on the same side;

the helical gears (27) are arranged on the outer sides of the third rotating shaft (28) and the two sides of the first rotating shaft (23), and the helical gears (27) are meshed with each other.

4. A timber tenon-and-mortise cutting device for building materials as defined in claim 3 further comprising a clamping and positioning mechanism (4), wherein the clamping and positioning mechanism (4) comprises:

the bearing seats (41) are symmetrically arranged on one side of the top of the support frame (31), a fourth rotating shaft (42) is connected between the bearing seats (41), and first straight gears (43) are connected to two sides of the fourth rotating shaft (42);

the upper part of the support frame (31) is provided with a limiting block (45), the limiting block (45) is connected with 2 tooth columns (44) in a sliding mode, and the tooth columns (44) are all meshed with the first straight gear (43) on the same side;

the bottom parts of the clamping plates (46) and the tooth columns (44) are connected with the clamping plates (46);

the middle part of the mounting rack (21) is connected with a straight rack (47);

the sleeve (49) is connected to the fourth rotating shaft (42), the plurality of first springs (410) are uniformly connected to the outer side of the sleeve (49), and the other ends of the first springs (410) on the same side are connected with sliding blocks (411);

a second spur gear (48) is connected between the outer sides of the second spur gear (48) and the sliding block (411), and the second spur gear (48) is meshed with the spur rack (47).

5. A timber tenon-and-mortise cutting equipment for building materials as defined in claim 4 further comprising a collecting mechanism (5), wherein the collecting mechanism (5) comprises:

the supporting legs (51) are symmetrically arranged on one side of the top of the base (1), and the tops of the supporting legs (51) are connected with mounting frames (52);

the wood chip collecting frame (53) is arranged on one side of the bottom of the inner wall of the mounting frame (52) in a sliding mode;

the waste collecting frame (54) is arranged on the other side of the bottom of the inner wall of the mounting frame (52) in a sliding mode.

6. A timber tenon-and-mortise cutting equipment for building materials as defined in claim 5 further comprising a rotating mechanism (6), wherein the rotating mechanism (6) comprises:

the inner sides of the mounting frames (21) are connected with the first fixing plates (61), the two sides of each first fixing plate (61) are connected with the second springs (63), ratchet bars (62) are connected between the inner sides of the second springs (63), and the ratchet bars (62) are connected with the first fixing plates (61) in a sliding mode;

the mounting frame (52) is rotatably connected with the fifth rotating shaft (65), the top of the fifth rotating shaft (65) is connected with a ratchet wheel (64), and the ratchet wheel (64) is meshed with the ratchet bar (62);

the bottom of the fifth rotating shaft (65) is connected with the rotating plate (66), and the rotating plate (66) is rotatably connected with the inner wall of the mounting frame (52).

7. A timber tenon-and-mortise cutting device for building materials as defined in claim 6 further comprising a material pushing mechanism (7), wherein the material pushing mechanism (7) comprises:

the second fixing plate (73) is symmetrically arranged on one side of the top of the supporting frame (31), and the upper parts of the second fixing plates (73) are connected with third springs (72);

the first sliding plates (71), one side of the support frame (31) is connected with 2 first sliding plates (71) in a sliding manner, and the first sliding plates (71) are connected with third springs (72) on the same side;

the top of the support frame (31) is rotatably connected with the sixth rotating shaft (78), and both sides of the sixth rotating shaft (78) are fixedly connected with connecting rods (79);

the third fixing plate (77) is symmetrically arranged at the bottom of the mounting rack (21), and the third fixing plate (77) is rotatably connected with the upper part of the connecting rod (79) on the same side;

the bottom of the connecting rod (79) is rotatably connected with a second sliding plate (74), and the second sliding plate (74) is connected with the support frame (31) in a sliding manner;

a fourth spring (76), wherein the fourth spring (76) is connected to the second sliding plate (74);

the other end of the toggle block (75) and the other end of the fourth spring (76) are connected with the toggle block (75), the toggle block (75) is connected with the second sliding plate (74) in a sliding manner, and the toggle block (75) is matched with the first sliding plate (71).

8. A timber tenon-and-mortise cutting equipment for building materials as claimed in claim 7, wherein: the inner wall of the mounting frame (52) is provided with a transverse groove which is matched with the rotating plate (66).