TWM550213U - Raising/lowering structure of router - Google Patents

Description

Carving and trimming machine lifting structure

This creation is about the lifting structure of a carving trimming machine, especially the one that can eliminate the screw seat and screw clearance of the lifting platform.

According to the first to fifth figures, the conventional engraving and trimming machine 10 includes a platform 11 which is suspended and mounted in a mounting groove 2 of a construction table 1 and has a hole 111 and a wrench. 112 is inserted into the jack 113; a plurality of screws 12 are erected on the bottom surface of the platform 11, the screws 12 are arranged in parallel with each other, and the knife hole 111 is located at the center of the screws 12; a lifting platform 13 The platform 13 is located below the platform 11, and the lifting platform 13 is provided with a pivot hole 131 at a position opposite to each of the screws 12, and a screw seat 14 screwed into the screw 12 is respectively mounted in the pivot hole 131; and the lifting platform 13 is A pivot hole 132 is defined in the position directly below the insertion hole 113. The lifting platform 13 defines a through hole 133 directly under the hole 111. The pivot hole 132 is mounted with a shaft seat 15 capable of rotating, and The screw base 14 and the shaft base 15 are respectively provided with a sprocket 16 and the sprocket 16 is coupled by a chain 17; the screw base 14 is provided with a screw 141 through the upper thrust bearing 142 and the lower thrust bearing 143. Rotating in the pivot hole 131, the top end of the barrel 141 is provided with a head 144 having a larger diameter than the upper thrust bearing 142, and a key groove is formed at the bottom. 145, and a screw hole 146 corresponding to the combination of the screw 12 is disposed at a center, and the sprocket 16 is coaxially disposed at the bottom of the screw 141; the sprocket 16 is provided to be sleeved with the screw 141 The assembly hole 161, and the slot 162 that cooperates with the key groove 145, can be disposed in the key groove 145 and the slot 162. The key 147, the sprocket 16 is fixed by a fixing bolt 163, so that the sprocket 16 and the barrel 141 can rotate coaxially; the lifting platform 13 is provided with an adjusting groove 134, below the adjusting groove 134. An idler 18 is disposed, and the adjusting bolt 181 is screwed into the idler 18 through the adjusting slot 134, so that the idler 18 can be displaced in the adjusting slot 134, and the idler 18 is driven by the chain. The outside of the 17 is connected to the outside, so that the idler 18 can adjust the tightness of the chain 17; a motor 19 is mounted on the bottom surface of the lifting platform 13, and a rotating blade 191 of the motor 19 is assembled with a planing blade 192; When the sprocket 16 driving the axle base 15 is rotated, the sprocket 16 of each screw seat 14 can be rotated by the chain 17 so that the lifting platform 13 can be adjusted to move up and down along the screw 12 to adjust the planing blade 192 of the motor 19 . The height of the knife hole 111 is protruded so that the wood can be carved and processed; however, in the above structure, the screw barrel 141 of the screw seat 14 is screwed with the screw 12, and there is a gap in the lifting platform 13 Each of the corners of the screw 12 has a different thread position, and thus a difference in the degree of gap is generated and shakes. When the wrench 112 is rotated to raise and lower the lifting platform 13, the wrench 112 drives the sprocket 16 of the axle seat 15. The gap causes the chain 17 to drive each of the screw seats 14 to rotate, although the synchronization is not increased. Coordinate the problems of different heights and unsmooth points.

The main purpose of this creation is to solve the above problems, and to provide a lifting structure of the engraving and trimming machine. The main purpose of the present invention is to provide an upper screw barrel and a lower screw barrel for the screw seat of the four corners of the lifting platform, the upper screw barrel and the upper screw barrel A spring is disposed between the lower barrel, and the spring is supported between the upper barrel and the lower barrel, so that the upper barrel can eliminate the gap with the screw upward, and the lower barrel can eliminate the gap with the screw downward. The screw seat is stably screwed to the screw as a whole, and the lifting platform is smooth, stable, and labor-saving.

According to the above object of the present invention, a lifting structure of a carving trimming machine is provided, The lifting platform of the engraving trimming machine is provided with a pivot hole at a position opposite to each screw, and a screw hole screwed with the screw is respectively mounted in the pivot hole; and a pivot hole is arranged on the lifting platform, the pivot The shaft is provided with a shaft seat capable of rotating, and a driving gear is disposed under the shaft seat, and a sprocket is disposed under each of the screw seats, wherein a driven gear and a driving gear are disposed under one of the sprocket wheels Engaging with each other and connecting the sprocket with a chain; the screw base comprises an upper screw barrel, a lower screw barrel, an upper thrust bearing, a lower thrust bearing and a spring, and a top portion of the upper screw barrel is provided with a disc portion The disc portion is provided with at least two perforations, and a screw hole is disposed at the center; the lower barrel can be rotated in the pivot hole through the upper thrust bearing and the lower thrust bearing, and the lower screw top end The utility model is provided with a head having a positioning screw hole corresponding to the position of the perforation, and a screw hole is arranged at the center, a spring is arranged between the upper barrel and the lower barrel, and is respectively passed by two bolts The through hole is screwed into the positioning screw hole, and a space is maintained between the upper screw barrel and the lower screw barrel ; The lower outer barrel is provided with an outer thread section, barrel group disposed coaxially with the bottom of the lower sprocket; and the sprocket kit below a spring, the outer screw thread segment a spiro group.

In an embodiment of the present invention, the axle seat includes a sleeve, a first bearing, a second bearing and a positioning piece, the sleeve has a driving hole disposed at a center thereof, and a sleeve is disposed at an upper end of the sleeve a socket portion, the socket portion is provided with a ring groove for fitting a C-shaped buckle; the sleeve can be rotated in the pivot hole through the first bearing and the second bearing, and the sleeve is in the C shape The positioning piece is disposed between the buckle and the first bearing, and the driving gear is coaxially assembled at the bottom of the sleeve.

In an embodiment of the present invention, the lifting platform is provided with an adjusting groove, and an idler wheel is screwed under the adjusting groove, and the idler wheel is assembled from the outside of the chain.

In an embodiment of the present invention, the lower screw barrel defines a first key groove at a position above the outer screw segment, and the sprocket is provided with an assembly hole that can be fitted into the lower screw barrel, and The first slot is matched with the first slot, and the first key is disposed in the first slot and the first slot.

In an embodiment of the present invention, the lower screw barrel defines a second key groove at a position below the outer screw segment, and the driven gear is provided with an assembly hole that can be fitted to the lower screw barrel, and the same The second slot is matched with the second key slot, and a second key is disposed in the second key slot and the second slot.

In an embodiment of the present invention, the driving gear wheel diameter is set to be smaller than the driven gear wheel diameter.

According to the above structure, the spring is supported between the upper screw barrel and the lower screw barrel, so that the upper screw barrel can eliminate the gap with the screw upward, and the lower screw barrel can eliminate the gap with the screw downward to reach the screw. The seat is stably screwed into the screw, which facilitates the smooth, stable, and labor-saving effect of the lifting platform.

[study]

1‧‧‧ Construction station

143‧‧‧low thrust bearing

2‧‧‧Installation slot

144‧‧‧ head

10‧‧‧Engraving trimming machine

145‧‧‧ keyway

11‧‧‧ platform

146‧‧‧ screw holes

111‧‧‧ knife hole

147‧‧‧ key

112‧‧‧Wrench

15‧‧‧ shaft seat

113‧‧‧ jack

16‧‧‧Sprocket

12‧‧‧ screw

161‧‧‧Assembled holes

13‧‧‧ Lifting table

162‧‧‧ slots

131‧‧‧ pivot hole

163‧‧‧ fixing bolts

132‧‧‧Pivot hole

17‧‧‧Chain

133‧‧‧Perforation

18‧‧‧ idler

134‧‧‧Adjustment slot

181‧‧‧Adjustment bolts

14‧‧‧ screw seat

19‧‧‧Motor

141‧‧‧

191‧‧‧ shaft

142‧‧‧Upper thrust bearing

192‧‧ ‧ planing knife

[this creation]

121‧‧‧ thread

323‧‧‧Under the screw hole

20‧‧‧ Lifting table

324‧‧‧ external screw segments

21‧‧‧ pivot hole

325‧‧‧First keyway

22‧‧‧Pivot hole

326‧‧‧ first button

23‧‧‧Drive gear

327‧‧‧ threaded teeth

24‧‧‧Sprocket

328‧‧‧Second keyway

241‧‧‧Assembled holes

329‧‧‧second key

242‧‧‧first slot

33‧‧‧Upper thrust bearing

25‧‧‧ driven gear

34‧‧‧Bottom thrust bearing

251‧‧‧Assembled holes

35‧‧‧ Spring

252‧‧‧second slot

36‧‧‧Bolts

26‧‧‧Chapter

37‧‧‧Discussion spring

27‧‧‧Adjustment slot

38‧‧‧Spiral ring

28‧‧‧ Idler

40‧‧‧ shaft seat

30‧‧‧ screw seat

41‧‧‧Sleeve

31‧‧‧Upper barrel

411‧‧‧ drive hole

311‧‧‧Disc

412‧‧‧ Sockets

312‧‧‧Perforation

413‧‧‧ ring groove

313‧‧‧Upper hole

414‧‧‧C-shaped buckle

314‧‧‧ threaded teeth

42‧‧‧First bearing

32‧‧‧Under the barrel

43‧‧‧second bearing

321‧‧‧ head

44‧‧‧ Positioning film

322‧‧‧Locating screw holes

Figure 1, is a stereo view of the prior art

Figure 2 is a front perspective view of a conventional lifting platform

Figure 3 is a cross-sectional view of the assembly installed on the construction table.

Figure 4 is a sectional view of a combination of conventional screw seats

Figure 5 is a schematic diagram of the conventional sprocket linkage

Figure 6 is a perspective view of the screw set of the screw table of the creation lifting platform.

Figure 7, is a three-dimensional exploded view of the creation

Figure 8, is a sectional view of the combination of the creation screw

Figure 9, is a schematic diagram of the sprocket linkage

In order for your review board to have a better understanding of the creation, a preferred embodiment will be described in conjunction with the drawings, as detailed below:

Referring to Figures 6 to 9, the lifting platform 20 of the engraving trimming machine is provided with a pivot hole 21 at a position relative to each of the screws 12, and a screw hole 30 screwed into the screw 12 is respectively mounted in the pivot hole 21; A pivot hole 22 is disposed on the lifting platform 20, and the pivot hole 22 is mounted with a shaft seat 40 capable of rotating, and a driving gear 23 is disposed under the shaft seat 40, and each of the screw seats 30 is disposed below each of the screw seats 30. A sprocket 24 is disposed, and a driven gear 25 is disposed under the sprocket 24 to engage with the driving gear 23, and the sprocket 24 is coupled by a chain 26; the screw base 30 includes an upper barrel 31. a lower screw barrel 32, an upper thrust bearing 33, a lower thrust bearing 34 and a spring 35. The top end of the upper screw barrel 31 is provided with a disc portion 311, and the disc portion 311 is provided with a plurality of perforations 312 and is at the center. A screw hole 313 is provided for the corresponding screw 12; the lower barrel 32 can be rotated in the pivot hole 21 through the upper thrust bearing 33 and the lower thrust bearing 34, and the lower screw 32 is at the top end A head portion 321 having a diameter larger than the upper thrust bearing 33 is provided, and the head portion 321 is provided with two positioning screw holes 322 corresponding to the positions of the through holes 312, and is disposed at the center. Corresponding to the screw hole 323 under the combination of the screw 12, a spring 35 is disposed between the upper barrel 31 and the lower barrel 32, so that the upper end of the spring 35 abuts the disc portion 311, and the lower end abuts the head And the two bolts 36 are respectively screwed into the positioning screw hole 322 through the through hole 312; the outer screw barrel 32 is externally provided with an outer screw segment 324, and the lower screw barrel 32 is above the outer screw portion 324. A first keyway 325 is defined, and the sprocket 24 is coaxially disposed at the bottom of the lower barrel 32. The sprocket 24 is provided with an assembly hole 241 that can be fitted to the lower barrel 32, and the first key groove 325. The first slot 242 is matched, and a first key 326 is disposed in the first key slot 325 and the first slot 242 to make the sprocket 24 and the lower The screw barrel 32 can rotate coaxially; a disc spring 37 is arranged below the sprocket 24, and the outer thread segment 324 is screwed with a screw ring 38, and the screw ring 38 presses the disc spring 37 and the sprocket 24 The lifting platform 20 is provided with an adjusting groove 27, and an idler 28 is screwed under the adjusting groove 27, so that the idler 28 can be displaced in the adjusting groove 27, and the idler 28 is disposed outside the chain 26. Connected thereto, so that the idler 28 can adjust the tightness of the chain 26; the axle seat 40 includes a sleeve 41, a first bearing 42, a second bearing 43 and a positioning piece 44, the sleeve A driving hole 411 is disposed in the center of the sleeve 41. The sleeve 41 is provided with a connecting portion 412. The sleeve portion 412 is provided with a ring groove 413 for fitting the C-shaped buckle 414. The sleeve 41 passes through the first The bearing 42 and the second bearing 43 can rotate in the pivot hole 22 , and the sleeve 41 is disposed between the C-shaped buckle 414 and the first bearing 42 , and the positioning piece 44 is disposed on the sleeve 41 . The driving gear 23 is coaxially disposed at the bottom; by the above structure, the spring 35 is supported between the upper barrel 31 and the lower barrel 32, so that the upper barrel 31 can be upwardly eliminated from the gap between the screw 12 and the lower portion. Screw barrel 3 2 The gap between the screw 12 and the screw 12 can be eliminated downward, and the screw seat 30 can be stably screwed to the screw 12, so that the lifting platform 20 can smoothly and stably lift and lower.

The composition and function of the above embodiment are described in detail as follows: Referring to Figures 6 to 9, first, the screw barrel 31 above the screw base 30 is screwed to the screw 12, and the spring 35 is sleeved thereon. Below the barrel 31, the lower barrel 32 is then screwed onto the screw 12, and the upper end of the spring 35 abuts against the disc portion 311 of the upper barrel 31, and the lower end of the lower portion is topped by the lower barrel 32. The head 321 is further disposed in the relative position of the bolts 36 to engage the positioning hole 322 to position the upper barrel 31 and the lower barrel 32 to be relatively unrotatable, but the upper portion The screw barrel 31 can move in the axial direction of the bolt 36, and the upper barrel 31 and the lower barrel 32 are not in contact with each other, and the upper edge of the thread 314 of the upper screw hole 313 is caused by the elastic force of the spring 35. Abutting against the lower edge of the screw 121 of the screw 12, and the lower edge of the screw 327 of the lower screw hole 323 abuts against the upper edge of the screw 121 of the screw 12, thus, The screw base 30 can be stably coupled with the screw 12 without shaking. Therefore, the screw seat 30 of the four corners of the lifting base 20 can cooperate with the screws 12 by the springs 35 respectively, so that the screw seats 30 can be reached. The most stable combination state; when the lifting platform 20 needs to adjust the height position, the hexagonal driving tool of the wrench 112 can be worn through the driving hole 411 of the shaft seat 40, so that the wrench 112 can drive the sleeve 41 rotates, thereby driving the driving gear 23, and then driving the driven gear 25 meshed therewith, so that the sprocket teeth 24 are synchronously rotated by the chain 26, because each of the screw base 30 and the screw of each of the screws 12 121 The gap between the upper and lower sides is screwed. When the lifting base 20 is raised and lowered, the four-seat screw seat 30 does not sway and is more stable, and achieves a more coordinated and smooth effect. In detail, the lower barrel 32 defines a second keyway 328 at a position below the outer threaded section 324. The driven gear 25 is provided with an assembly hole 251 that can be fitted to the lower barrel 32, and The second slot 328 is matched with the second slot 252, and a second button 329 can be disposed in the second key slot 328 and the second slot 252 to make the driven gear 25 and the lower barrel 32 coaxial. Rotating; and the driving gear 23 has a wheel diameter smaller than the wheel diameter of the driven gear 25, and the driving gear 23 directly drives the driven gear 25, thereby achieving the effect of labor saving.

The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present creation, and are not intended to limit the features of the present creation. The re-creation of the technical means and creation principle related to the creation is still the creation. The equivalent structure of the creative category.

24‧‧‧Sprocket

241‧‧‧Assembled holes

242‧‧‧first slot

30‧‧‧ screw seat

31‧‧‧Upper barrel

311‧‧‧Disc

312‧‧‧Perforation

313‧‧‧Upper hole

32‧‧‧Under the barrel

321‧‧‧ head

322‧‧‧Locating screw holes

323‧‧‧Under the screw hole

324‧‧‧ external screw segments

325‧‧‧First keyway

326‧‧‧ first button

328‧‧‧Second keyway

33‧‧‧Upper thrust bearing

34‧‧‧Bottom thrust bearing

35‧‧‧ Spring

36‧‧‧Bolts

37‧‧‧Discussion spring

38‧‧‧Spiral ring

Claims (6)

a lifting structure of a carving trimming machine, wherein the lifting platform of the engraving trimming machine is provided with a pivot hole at a position relative to each screw, and a screw seat screwed with the screw is respectively mounted in the pivot hole; and the lifting platform is mounted on the lifting platform A pivot hole is disposed, the pivot hole is mounted with a shaft seat capable of rotating, and a driving gear is disposed under the shaft seat, and a sprocket is disposed under each of the screw seats, wherein one of the sprocket wheels is below a driven gear is meshed with the driving gear, and the sprocket is coupled by a chain; the screw seat comprises an upper screw barrel, a lower screw barrel, an upper thrust bearing, a lower thrust bearing and a spring. The top end of the upper screw barrel is provided with a disc portion, the disc portion is provided with at least two perforations, and a screw hole is arranged at the center; the lower barrel can pass through the upper thrust bearing and the lower thrust bearing to be The bottom of the lower screw barrel is provided with a head portion, and the head portion is provided with a positioning screw hole corresponding to the position of the punching hole, and a screw hole is arranged at the center, and the upper screw barrel and the lower screw barrel are sleeved. a spring, and the two bolts are respectively screwed into the positioning screw hole through the through hole, and the upper portion a gap is maintained between the barrel and the lower barrel; an outer threaded section is disposed outside the lower barrel, and the sprocket is coaxially disposed at the bottom of the lower barrel; and a disc spring is disposed under the sprocket, The outer screw segment has a spiral ring. The lifting structure of the engraving and trimming machine of claim 1, wherein the shaft seat comprises a sleeve, a first bearing, a second bearing and a positioning piece, and the sleeve has a driving hole disposed at the center thereof. a sleeve portion is disposed at an upper end of the sleeve, and the sleeve portion is provided with a ring groove for engaging a C-shaped buckle; the sleeve can be rotated in the pivot hole through the first bearing and the second bearing, and The sleeve is provided with the positioning piece between the C-shaped buckle and the first bearing, and the driving gear is coaxially assembled at the bottom of the sleeve. The lifting structure of the engraving and trimming machine according to claim 1, wherein the lifting platform is provided with an adjusting groove, and an idler is arranged below the adjusting groove, and the idler is assembled from the outside of the chain. The lifting structure of the engraving and trimming machine of claim 1, wherein the lower screw barrel has a first key groove at a position above the outer screw segment, and the sprocket is provided with a sleeve that can be fitted to the lower screw barrel. Assembling the hole, and the first slot matched with the first keyway, the first keyway, the first insertion A first key is set in the slot. The lifting structure of the engraving and trimming machine of claim 4, wherein the lower screw barrel has a second key groove at a position below the outer threaded portion, and the driven gear is provided with a sleeve that can be fitted to the lower screw barrel. The assembly hole and the second slot matched with the second key slot are provided with a second key in the second key slot and the second slot. The lifting structure of the engraving and trimming machine according to claim 1, wherein the driving gear wheel diameter is set to be smaller than the driven gear wheel diameter.