CN112571201B - Plank edge equipment of polishing - Google Patents

Abstract

The invention relates to a grinding device, in particular to a board edge grinding device. The technical problem of the present invention is to provide a wood edge grinding device that automatically grinds wood boards, has accurate grinding positions and is easy to use. The technical solution is as follows: a wood edge grinding equipment, including: a base; a support column, a support column is provided on the upper middle side of the base; a pedal mechanism, a pedal mechanism is provided on the upper middle part of the base; mechanism. The beneficial effects of the present invention are: under the action of the grinding mechanism, people place the wooden board on the placement board, first start the electric grinder, and then step down on the first pedal for a certain distance, the first connecting line will drive the first connecting block Moving down with the electric grinder, the connecting frame will drive the placement board and the wooden board to move upward. When the wooden board is in contact with the electric grinder, the electric grinder will grind the edge of the wooden board, which improves people's work efficiency.

Description

A kind of wood edge grinding equipment

technical field

The invention relates to a grinding device, in particular to a board edge grinding device.

Background technique

Wooden boards are wooden boards made of complete wood. These boards are durable and have natural textures. They are commonly used in decoration. Such boards are expensive and there is no uniform standard specification.

At present, general building wood boards need to be polished to be able to carry out some post-treatment processes. However, most of the current wood boards are polished manually. The manual grinding speed is slow and the grinding is not smooth, which reduces people's work efficiency. And grinding for a long time is easy to get tired and distracted, and it will also cause time-consuming and labor-intensive situations.

Therefore, there is a special need to design a kind of automatic grinding plank, the grinding position is accurate and the edge grinding equipment of the plank is easy to use, which can save some troubles that most manual operations may bring, so as to improve work efficiency and solve the above-mentioned shortcomings.

Contents of the invention

In order to overcome the disadvantages of slow manual grinding speed and uneven grinding, which reduces people's work efficiency, and long-time grinding is easy to be tired and distracted, and will also cause time-consuming and labor-intensive shortcomings. The technical problem of the present invention is: to provide an automatic grinding plank , the grinding position is precise and easy to use wood edge grinding equipment.

The technical solution is as follows: a wood edge grinding equipment, including: a base; a support column, a support column is provided on the upper middle side of the base; a pedal mechanism, a pedal mechanism is provided on the upper middle part of the base; mechanism.

In addition, it is particularly preferred that the pedal mechanism includes: a first chute, a first chute is provided in the upper middle of the base; a first pedal, a first pedal is provided slidingly on the first chute; a first connecting rod, a A first connecting rod is provided on the inner side of the pedal; a first wedge block is provided on one side of the first connecting rod slidingly; a first spring is connected between the first wedge block and the first pedal, The first spring is sleeved on the first connecting rod; the second spring is connected between the first pedal and the first slide groove.

In addition, it is particularly preferred that the grinding mechanism includes: a first slider, the middle part of the support column is slidingly provided with the first slider, and the first slider cooperates with the first wedge block; the third spring, the first slider A third spring is connected to the supporting column; a first connecting block, the first connecting block is slidingly provided on the upper side of the supporting column; a first connecting line, a first connecting line is connected between the first connecting block and the first sliding block; The fourth spring, the fourth spring is connected between the first connecting block and the support column; the rotating rod is provided with a rotating rod on one side of the upper part of the supporting column; the winding wheel is provided with a winding wheel in the rotating type on the rotating rod; Grinding machine, an electric grinder is provided on one side of the first connecting block; a connecting frame is provided with a sliding type connecting frame in the middle of the supporting column; the second connecting line is connected between the connecting frame and the first slider by a winding wheel Connecting line; placing plate, the top side of the connecting frame is provided with a placing plate, and the bottom of the placing plate is in contact with the first chute.

In addition, it is particularly preferred that a pusher assembly is also included, and the pusher assembly includes: a second connecting rod, a second connecting rod is provided on one side of the first pedal; a support rod, a support rod is provided on the upper middle side of the base; Feeding chute, a feeding chute is provided on the top of the support rod; a second chute, a second chute is provided on one side of the top of the feeding chute; a sliding rod, a sliding rod is provided on one side of the second chute; the third connection Rod, the third connecting rod is provided in the sliding rod; the second wedge-shaped block, the second wedge-shaped block is slidingly provided on one side of the third connecting rod, and the second wedge-shaped block cooperates with the second connecting rod; the fifth spring, A fifth spring is connected between the second wedge block and the sliding rod, and the fifth spring is sleeved on the third connecting rod; a sixth spring is connected between one side of the sliding rod and the second chute.

In addition, it is particularly preferred that a feeding assembly is also included, and the feeding assembly includes: a first rotating shaft, the first rotating shaft is rotated on one side of the middle part of the support rod; a one-way turntable is provided on one side of the first rotating shaft There is a one-way turntable; the second rotating shaft, the upper side of the first chute is rotated and the second rotating shaft is provided; the transmission assembly is provided between the first rotating shaft and the second rotating shaft; the push plate, the transmission There is a push plate on one side of the middle part of the component, and the sliding fit between the push plate and the feeding chute; the second slider, the second sliding block is provided in the middle of the second connecting rod; the return spring, the second slider and the second A return spring is connected between the connecting rods, and the returning spring is set on the second slider; the fourth connecting rod, the middle part of the second slider is slidingly provided with a fourth connecting rod, and the supporting rod and the fourth connecting rod are slidably matched , there is a round hole around the one-way turntable, and the fourth connecting rod matches the round hole on the one-way turntable; the seventh spring, the seventh spring is connected between the second slider and the fourth connecting rod, and the seventh spring is set on the on the fourth connecting rod.

In addition, it is particularly preferred that a buffer assembly is also included, and the buffer assembly includes: the fifth connecting rod, the fifth connecting rod is provided on the upper side of the first chute; the sixth connecting rod, the fifth connecting rod slides on both sides of the lower part There is a sixth connecting rod; the first connecting plate, the first connecting plate is arranged between the top of the sixth connecting rod; the eighth spring, two eighth springs are connected between the first connecting plate and the fifth connecting rod, The eighth spring is sleeved on the sixth connecting rod respectively.

In addition, it is particularly preferred that a clamping assembly is also included, and the clamping assembly includes: a second connecting block, which is provided on the top of the electric grinder; a seventh connecting rod, which slides symmetrically on both sides of the second connecting block The seventh connecting rod is provided in the formula; the second connecting plate is provided with the second connecting plate between the bottom of the seventh connecting rod; the ninth spring, four ninth springs are connected between the second connecting plate and the second connecting block, The ninth spring is sleeved on the seventh connecting rod respectively.

In addition, it is particularly preferred that the first connecting plate is made of rubber.

Beneficial effects of the present invention:

1. Under the action of the grinding mechanism, people place the wooden board on the placement board, first start the electric grinder, and then step down on the first pedal for a certain distance, the first connecting line will drive the first connecting block and the electric grinder to Moving down, the connecting frame will drive the placement board and the wooden board to move upward. When the wooden board is in contact with the electric grinder, the electric grinder will grind the edge of the wooden board, which improves people's work efficiency.

2. Under the action of the pushing component, when the first pedal moves upwards, it will drive the second connecting rod to move upwards, and when the second connecting rod moves upwards to contact the second wedge, it will drive the second wedge to the right Move, the second wedge block will drive the third connecting rod and the sliding rod to move to the right, the sixth spring is stretched, and the sliding rod will push the top plank to the placement plate, so that the material will be pushed automatically.

3. Under the action of the clamping mechanism, when the first connecting block moves downward, it will drive the second connecting block to move downward, and the second connecting block will drive the seventh connecting rod and the second connecting plate to move downward. When the second connecting plate is attached to the plank, the ninth spring is compressed, and the second connecting plate will clamp the plank so that the position of the plank will not deviate when it is polished.

Description of drawings

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

Fig. 2 is a three-dimensional structural schematic diagram of the pedal mechanism and the grinding mechanism of the present invention.

Fig. 3 is a schematic diagram of the three-dimensional structure of the pushing assembly of the present invention.

Fig. 4 is a schematic diagram of the three-dimensional structure of the feeding assembly of the present invention.

Fig. 5 is a schematic diagram of an enlarged three-dimensional structure of the present invention A.

Fig. 6 is a three-dimensional structural schematic diagram of the cushioning assembly and the clamping assembly of the present invention.

Fig. 7 is a schematic diagram of an enlarged three-dimensional structure of the present invention B.

Fig. 8 is a schematic diagram of an enlarged three-dimensional structure of C of the present invention.

Marked in the figure: 1-base, 2-support column, 3-pedal mechanism, 31-first chute, 32-first pedal, 33-first connecting rod, 34-first spring, 35-first wedge Block, 36-the second spring, 4-grinding mechanism, 41-the first slide block, 42-the third spring, 43-the first connecting line, 44-the fourth spring, 45-the first connecting block, 46-rotating rod , 47-winding wheel, 48-second connecting line, 49-electric grinder, 410-connecting frame, 411-placement plate, 5-push material assembly, 51-second connecting rod, 52-second chute, 53-sliding rod, 54-third connecting rod, 55-fifth spring, 56-second wedge block, 57-sixth spring, 58-support rod, 59-feeding chute, 6-feeding assembly, 61- The second slider, 62-the fourth connecting rod, 63-the seventh spring, 64-return spring, 65-the first rotating shaft, 66-the second rotating shaft, 67-one-way turntable, 68-transmission assembly, 69- Push plate, 7-buffer assembly, 71-fifth connecting rod, 72-sixth connecting rod, 73-eighth spring, 74-first connecting plate, 8-clamping assembly, 81-second connecting block, 82- The seventh connecting rod, 83-the second connecting plate, 84-the ninth spring.

Detailed ways

The present invention will be further described below in conjunction with the embodiments shown in the accompanying drawings.

Example 1

A wood edge grinding device, as shown in Figure 1, Figure 2 and Figure 3, includes a base 1, a support column 2, a pedal mechanism 3 and a grinding mechanism 4, the support column 2 is provided on the rear side of the upper middle of the base 1, and the base 1 A pedal mechanism 3 is arranged in the upper middle part, and a grinding mechanism 4 is arranged on the upper side of the support column 2 .

The pedal mechanism 3 includes a first chute 31, a first pedal 32, a first connecting rod 33, a first spring 34, a first wedge block 35 and a second spring 36, and the upper middle part of the base 1 is provided with a first chute 31, The sliding type on the first chute 31 is provided with a first pedal 32, the first connecting rod 32 is provided with a first connecting rod 33 inside, and the rear side of the first connecting rod 33 is slidingly provided with a first wedge-shaped block 35, and the first wedge-shaped block 35 A first spring 34 is connected between the first pedal 32 , the first spring 34 is sleeved on the first connecting rod 33 , and a second spring 36 is connected between the first pedal 32 and the first slide groove 31 .

The grinding mechanism 4 includes a first slide block 41, a third spring 42, a first connecting wire 43, a fourth spring 44, a first connecting block 45, a rotating rod 46, a reel 47, a second connecting wire 48, an electric grinding Machine 49, connecting frame 410 and placement plate 411, the first sliding block 41 is provided with sliding type in the middle part of supporting column 2, and the first sliding block 41 cooperates with the first wedge-shaped block 35, and the first sliding block 41 is connected with supporting column 2 with the first sliding block 41. Three springs 42, the upper side of the supporting column 2 is slidingly provided with a first connecting block 45, and the first connecting line 43 is connected between the first connecting block 45 and the first sliding block 41, and the connection between the first connecting block 45 and the supporting column 2 The fourth spring 44 is connected between them, the rear side of the support column 2 is rotated and provided with a rotating rod 46, and the rotating rod 46 is provided with a winding wheel 47, and the front side of the first connecting block 45 is provided with an electric grinder 49 to support The middle part of the column 2 is slidingly provided with a connecting frame 410, and a second connecting wire 48 is connected between the connecting frame 410 and the first slider 41 through a winding wheel 47. The bottom is in contact with the first sliding groove 31 .

The initial state is that the first wedge block 35 is above the first sliding block 41 . People place the board on the placement board 411, first start the electric grinder 49, then step down on the first pedal 32 for a certain distance, the second spring 36 is stretched, and the first pedal 32 will drive the first connecting rod 33 and the second A wedge-shaped block 35 moves downward, and when the first wedge-shaped block 35 contacts with the first slide block 41, it will drive the first slide block 41 to move downward, and the third spring 42 is compressed, and the first slide block 41 will drive the first connecting block 41 to move downward. The wire 43 and the second connecting wire 48 move, the first connecting wire 43 will drive the first connecting block 45 and the electric grinder 49 to move downward, the fourth spring 44 is compressed, and the second connecting wire 48 will pass through the winding wheel at the same time. The connecting frame 410 moves upwards, and the connecting frame 410 will drive the placing plate 411 and the wooden board to move upwards. When the wooden board is in contact with the electric grinder 49, the electric grinder 49 will grind the edge of the wooden board. A pedal 32, due to the resetting action of the second spring 36, will drive the first pedal 32 and the first wedge-shaped block 35 to move upwards to reset, when the first wedge-shaped block 35 is separated from the first slide block 41, due to the third spring 42 The resetting action of the first slider 41 will drive the first slider 41 to move upward and reset, and the connecting frame 410 will move downward due to the effect of gravity. Due to the resetting action of the fourth spring 44, the first connecting block 45 and the electric grinder 49 will be driven upward. Move reset, when electric grinder 49 breaks away from plank, people close electric grinder 49 and get final product.

Example 2

On the basis of Embodiment 1, as shown in Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7 and Fig. 8, a pusher assembly 5 is also included, and the pusher assembly 5 includes a second connecting rod 51, The second chute 52, the sliding rod 53, the third connecting rod 54, the fifth spring 55, the second wedge block 56, the sixth spring 57, the support rod 58 and the feeding chute 59, the left rear side of the first pedal 32 is provided with The second connecting rod 51, the left side of the upper middle part of the base 1 is provided with a support rod 58, the top of the support rod 58 is provided with a feeding chute 59, and the rear side of the top of the feeding chute 59 is provided with a second chute 52, and the second chute 52 is left Side sliding type is provided with sliding bar 53, is provided with the 3rd connecting rod 54 in the sliding bar 53, and the rear side sliding type of the 3rd connecting rod 54 is provided with the second wedge block 56, and the second wedge block 56 is connected with the second connecting rod 51. The fifth spring 55 is connected between the second wedge block 56 and the sliding rod 53, the fifth spring 55 is set on the third connecting rod 54, and the left side of the sliding rod 53 is connected with the second chute 52. The sixth spring 57 .

People can place a plurality of planks in the feeding trough 59, and then people step down on the first pedal 32 to the lowest point, and when the first slide block 41 moves down to the bottom, the first wedge block 35 and the first slide block 41 will drive the first wedge block 35 to move forward, and the first spring 34 will be compressed. , will drive the first wedge-shaped block 35 to move to the rear side and reset, and the first pedal 32 will drive the second connecting rod 51 to move downward at the same time. When the second connecting rod 51 moves downward and contacts the second wedge-shaped block 56, it will drive The second wedge-shaped piece 56 moves forward, the fifth spring 55 is compressed, the second connecting rod 51 continues to move downward and disengages from the second wedge-shaped piece 56, and the second wedge-shaped piece 56 will be driven due to the reset action of the fifth spring 55. Move backward to reset, when the first pedal 32 moves upwards, it will drive the second connecting rod 51 to move upwards, and at the same time, the first pedal 32 drives the first wedge block 35 to move upwards and cross the first slider 41, when the second connecting rod 51 When moving upwards and contacting the second wedge-shaped piece 56, it will drive the second wedge-shaped piece 56 to move to the right, and the second wedge-shaped piece 56 will drive the third connecting rod 54 and the sliding rod 53 to move to the right, and the sixth spring 57 is stretched , the sliding rod 53 will push the uppermost plank onto the placement plate 411, and when the second wedge-shaped block 56 moves to disengage from the second connecting rod 51, due to the resetting action of the sixth spring 57, the sliding rod 53, the first The three connecting rods 54 and the second wedge block 56 move to the left to reset.

Also include a feeding assembly 6, the feeding assembly 6 includes a second slide block 61, a fourth connecting rod 62, a seventh spring 63, a return spring 64, a first rotating shaft 65, a second rotating shaft 66, and a one-way turntable 67. The transmission assembly 68 and the push plate 69, the right side of the support rod 58 is rotated and the first rotating shaft 65 is provided, the rear side of the first rotating shaft 65 is provided with a one-way turntable 67, and the upper side of the left part of the first chute 31 is rotated The formula is provided with a second rotating shaft 66, a transmission assembly 68 is provided between the first rotating shaft 65 and the second rotating shaft 66, and a push plate 69 is provided on the left side of the middle part of the transmission assembly 68, between the push plate 69 and the feeding chute 59 Sliding fit, the middle part of the second connecting rod 51 is slidingly provided with a second sliding block 61, and a return spring 64 is connected between the second sliding block 61 and the second connecting rod 51, and the returning spring 64 is set on the second sliding block 61 , the middle part of the second slider 61 is slidably provided with a fourth connecting rod 62, the rear part of the right side of the supporting rod 58 is semi-arc-shaped, the fourth connecting rod 62 is slidingly matched with the semi-arc position of the supporting rod 58, and the one-way turntable 67 is There is a round hole, the fourth connecting rod 62 matches the round hole on the one-way turntable 67, the seventh spring 63 is connected between the second slider 61 and the fourth connecting rod 62, and the seventh spring 63 is sleeved on the fourth connecting rod. on rod 62.

When people place a plurality of wooden boards in the feeding trough 59, the wooden boards will drive the push plate 69 to move downward, and the push plate 69 will drive the transmission assembly 68, the first rotating shaft 65 and the second rotating shaft 66 to rotate counterclockwise. The effect of the one-way turntable 67, the second rotating shaft 66 will not drive the one-way turntable 67 to rotate counterclockwise. In the initial state, the fourth connecting rod 62 will block the round hole on the one-way turntable 67. When moving upward, it will drive the second slider 61 and the fourth connecting rod 62 to move upward, and the fourth connecting rod 62 will drive the one-way turntable 67 to rotate clockwise 90 degrees. Due to the guiding effect of the support rod 58, the second slider Block 61 can move left and right in the second connecting rod 51 at the same time, return spring 64 resets after being deformed, one-way turntable 67 can drive transmission assembly 68 to rotate clockwise, and transmission assembly 68 can drive push plate 69 to move up a certain distance, thereby will The plank moves upwards, so that the slide bar 53 can push the plank to the right side more conveniently.

Also includes a buffer assembly 7, the buffer assembly 7 includes a fifth connecting rod 71, a sixth connecting rod 72, an eighth spring 73 and a first connecting plate 74, the upper right side of the first chute 31 is provided with a fifth connecting rod 71 The fifth connecting rod 71 is provided with a sixth connecting rod 72 slidingly on both sides of the left and right sides, and a first connecting plate 74 is arranged between the top of the sixth connecting rod 72, and between the first connecting plate 74 and the fifth connecting rod 71 Two eighth springs 73 are connected, and the eighth springs 73 are respectively sleeved on the sixth connecting rod 72 .

After the grinding work is finished, the unpolished plank will push the polished plank to the right to the first connecting plate 74, and when the plank contacts the first connecting plate 74, it will drive the sixth connecting rod 72 to move downward, and the eighth spring 73 resets after being deformed, so that the first connecting plate 74 acts as a buffer for the wooden boards, so that the wooden boards will not be damaged, and it is convenient for people to collect them.

Also includes a clamping assembly 8, the clamping assembly 8 includes a second connecting block 81, a seventh connecting rod 82, a second connecting plate 83 and a ninth spring 84, the top of the electric grinder 49 is provided with a second connecting block 81, The left and right sides of the second connecting block 81 are provided with the seventh connecting rod 82 symmetrically sliding on both sides, and a second connecting plate 83 is arranged between the bottom of the seventh connecting rod 82. Between the second connecting plate 83 and the second connecting block 81 Four ninth springs 84 are connected between them, and the ninth springs 84 are sleeved on the seventh connecting rod 82 respectively.

When the first connecting block 45 moves downward, it will drive the second connecting block 81 to move downward, and the second connecting block 81 will drive the seventh connecting rod 82 and the second connecting plate 83 to move downward. When the second connecting plate 83 When being attached to the plank, the ninth spring 84 is compressed, and the second connecting plate 83 will clamp the plank so that the position of the plank will not shift when it is polished. When the first connecting block 45 moves upward, it will drive the second The connecting block 81 moves upwards, and when the second connecting plate 83 is separated from the plank, the ninth spring 84 resets.

Although the present invention has been described in detail with reference to the above embodiments, it will be apparent to those skilled in the art through this disclosure that the present invention can be modified without departing from the principle and spirit scope of the present invention defined by the claims. various changes or modifications. Therefore, the detailed description of the embodiments of the present disclosure is only for explanation, not for limiting the present invention, but the content of the claims defines the scope of protection.

Claims (3)

1. A plank edge grinding equipment, characterized in that: comprising: base(1); The support column (2), the support column (2) is provided on the upper middle side of the base (1); The pedal mechanism (3), the upper middle part of the base (1) is provided with the pedal mechanism (3); Grinding mechanism (4), the upper side of the support column (2) is provided with a grinding mechanism (4); The pedal mechanism (3) includes: The first chute (31), the upper middle part of the base (1) is provided with the first chute (31); The first pedal (32), the first chute (31) is slidingly provided with the first pedal (32); The first connecting rod (33), the first connecting rod (33) is provided inside the first pedal (32); The first wedge block (35), the first wedge block (35) is slidingly provided on one side of the first connecting rod (33); The first spring (34), the first spring (34) is connected between the first wedge block (35) and the first pedal (32), and the first spring (34) is sleeved on the first connecting rod (33); The second spring (36), the second spring (36) is connected between the first pedal (32) and the first chute (31); The grinding mechanism (4) includes: The first slider (41), the middle part of the support column (2) is slidingly provided with the first slider (41), and the first slider (41) cooperates with the first wedge block (35); The third spring (42), the third spring (42) is connected between the first slider (41) and the support column (2); The first connecting block (45), the upper side of the support column (2) is slidingly provided with the first connecting block (45); A first connection line (43), a first connection line (43) is connected between the first connection block (45) and the first slider (41); The fourth spring (44), the fourth spring (44) is connected between the first connecting block (45) and the support column (2); Rotating rod (46), the upper side of the support column (2) is rotated to be provided with a rotating rod (46); Winding wheel (47), rotating type is provided with winding wheel (47) on the turning bar (46); An electric grinder (49), an electric grinder (49) is provided on one side of the first connecting block (45); The connecting frame (410), the middle part of the support column (2) is slidingly provided with the connecting frame (410); The second connecting wire (48), the second connecting wire (48) is connected between the connecting frame (410) and the first slider (41) through the reel (47); A placement plate (411), a placement plate (411) is provided on the top side of the connecting frame (410), and the bottom of the placement plate (411) is in contact with the first chute (31); It also includes a pusher assembly (5), and the pusher assembly (5) includes: The second connecting rod (51), the second connecting rod (51) is provided on one side of the first pedal (32); A support rod (58), a support rod (58) is provided on one side of the upper middle part of the base (1); Feeding chute (59), the top of the support rod (58) is provided with a feeding chute (59); The second chute (52), the top side of the feeding chute (59) is provided with the second chute (52); Sliding rod (53), the sliding type on one side of the second chute (52) is provided with sliding rod (53); The third connecting rod (54), the sliding rod (53) is provided with the third connecting rod (54); The second wedge (56), one side of the third connecting rod (54) is slidingly provided with the second wedge (56), and the second wedge (56) cooperates with the second connecting rod (51); The fifth spring (55), the fifth spring (55) is connected between the second wedge block (56) and the sliding rod (53), and the fifth spring (55) is sleeved on the third connecting rod (54); The sixth spring (57), the sixth spring (57) is connected between one side of the sliding rod (53) and the second chute (52); It also includes a feeding assembly (6), and the feeding assembly (6) includes: The first rotating shaft (65), the middle part of the support rod (58) is provided with the first rotating shaft (65) rotating on one side; One-way turntable (67), one side of the first rotating shaft (65) is provided with one-way turntable (67); The second rotating shaft (66), the upper side of the first chute (31) is provided with the second rotating shaft (66); A transmission assembly (68), a transmission assembly (68) is provided between the first rotation shaft (65) and the second rotation shaft (66); A push plate (69), a push plate (69) is provided on one side of the middle part of the transmission assembly (68), and the push plate (69) is slidingly matched with the feeding chute (59); The second slider (61), the middle part of the second connecting rod (51) is slidingly provided with the second slider (61); The return spring (64), the return spring (64) is connected between the second slider (61) and the second connecting rod (51), and the return spring (64) is set on the second slider (61); The fourth connecting rod (62), the middle part of the second slider (61) is slidingly provided with the fourth connecting rod (62), the supporting rod (58) is slidingly matched with the fourth connecting rod (62), and the one-way turntable (67) round holes are arranged around, and the fourth connecting rod (62) cooperates with the round holes on the one-way turntable (67); The seventh spring (63), the seventh spring (63) is connected between the second slider (61) and the fourth connecting rod (62), and the seventh spring (63) is set on the fourth connecting rod (62); A buffer assembly (7) is also included, and the buffer assembly (7) includes: The fifth connecting rod (71), the fifth connecting rod (71) is provided on the upper side of the first chute (31); The sixth connecting rod (72), the fifth connecting rod (71) is provided with the sixth connecting rod (72) slidingly on both sides of the lower part; The first connecting plate (74), the first connecting plate (74) is arranged between the top of the sixth connecting rod (72); The eighth spring (73), two eighth springs (73) are connected between the first connecting plate (74) and the fifth connecting rod (71), and the eighth springs (73) are respectively set on the sixth connecting rod (72 )superior. 2. A wood edge grinding device according to claim 1, characterized in that: it also includes a clamping assembly (8), and the clamping assembly (8) includes: The second connection block (81), the top of the electric grinder (49) is provided with a second connection block (81); The seventh connecting rod (82), the second connecting block (81) is provided with the seventh connecting rod (82) in a symmetrical sliding manner on both sides; The second connecting plate (83), the second connecting plate (83) is arranged between the bottom of the seventh connecting rod (82); The ninth spring (84), four ninth springs (84) are connected between the second connecting plate (83) and the second connecting block (81), and the ninth springs (84) are respectively set on the seventh connecting rod (82 )superior. 3. The device for grinding the edges of wood boards according to claim 1, characterized in that: the first connecting plate (74) is made of rubber.

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