CN111203716B

CN111203716B - Pattern sewing machine

Info

Publication number: CN111203716B
Application number: CN201811393750.4A
Authority: CN
Inventors: 吴玺; 郭以锋; 周远红; 梁伟; 聂玉龙
Original assignee: Shenzhen Shengda Jewelry Co ltd
Current assignee: Shenzhen Shengda Jewelry Co ltd
Priority date: 2018-11-21
Filing date: 2018-11-21
Publication date: 2021-10-22
Anticipated expiration: 2038-11-21
Also published as: CN111203716A

Abstract

The invention relates to a flower turning machine, which belongs to the technical field of jewelry processing equipment and comprises a frame and a flower turning device arranged on the frame, wherein the flower turning device comprises a shell, a rotating rod and a flower turning tool bit, a clamping table is arranged on the frame and is positioned right below the flower turning tool bit, a pushing table is arranged on one side of the clamping table on the frame, a driving piece for driving the pushing table to move is arranged on the frame, a cutting assembly is arranged on the other side of the clamping table on the frame, the cutting assembly comprises a cutting table and a cutting tool bit arranged on the frame and is positioned right above the cutting table, and a driving mechanism for driving the cutting tool bit to move in the vertical direction is arranged on the frame. The efficiency of the car flower and the cutting of car flower machine is higher.

Description

Pattern sewing machine

Technical Field

The invention relates to the technical field of jewelry processing equipment, in particular to a pattern turning machine.

Background

The bead strings and the cylindrical pipe materials are commonly used semi-finished products of the chain-shaped ornaments, and the bead strings and the cylindrical pipe materials are cut, welded, lathed and the like to form the finished chain-shaped ornaments. The traditional manual flower turning is to carry out flower turning on a single bead by means of simple and pure manual operation, firstly flower turning is carried out, then pipe cutting is carried out, a large amount of manpower is consumed, flower turning and cutting efficiency is low, and production of factories is not facilitated.

Disclosure of Invention

The invention aims to provide a pattern turning machine which has the advantages of automatically turning and cutting, reducing manpower consumption and improving the efficiency of turning and cutting.

The above object of the present invention is achieved by the following technical solutions:

a pattern turning machine comprises a frame and a pattern turning device arranged on the frame, wherein the pattern turning device comprises a shell which is vertically and slidably arranged on the frame, a rotating rod which is rotatably arranged in the shell and a pattern turning tool bit which is arranged at the end part of the rotating rod, a clamping table is arranged on the machine frame and is positioned under the turning tool bit, a pushing table for pushing the pipe materials to move on the clamping table is arranged on one side of the machine frame, which is positioned on the clamping table, a driving piece for driving the pushing table to move is arranged on the machine frame, a cutting assembly is arranged on the other side of the machine frame, which is far away from the pushing table, of the clamping table, the cutting assembly comprises a cutting table arranged on the frame and positioned on one side of the pushing table far away from the clamping table and a cutting tool bit arranged on the frame and positioned right above the cutting table, and the rack is provided with a driving mechanism for driving the cutting tool bit to move in the vertical direction.

According to the technical scheme, firstly, the pipe is placed on the clamping table, the shell is driven to drive the rotating rod and the knurling cutter head to slide downwards, the knurling cutter head can also rotate due to the fact that the rotating rod is rotatably arranged on the rotating rod, and the knurling cutter head can carry out knurling operation on the pipe on the clamping table; after the pattern turning is finished, driving the shell to vertically move upwards, starting the driving piece, enabling the pushing table to move towards the side close to the clamping table, enabling the tube material to move forwards for a certain distance by one section of the pattern turning, moving the tube material to the cutting table, enabling the other section of the tube material which is not subjected to pattern turning to be located below the pattern turning tool bit, and then driving the shell to vertically move downwards to continue pattern turning on the tube material; starting drive mechanism afterwards, let drive mechanism order about and cut the vertical downward removal of tool bit, cut one section that is in on cutting the platform. Make the pipe material make the car flower, cut through artifical and mechanical combination after setting up like this, and no longer need artifical manual car flower and cut, consequently not only reduced the manpower loss, for artifical manual car flower and cut, the car flower of car flower machine and the efficiency of cutting are higher moreover.

Further, be provided with the track in the frame, the vertical slip of casing sets up on the track, it is provided with the rotation motor to lie in orbital top in the frame, the output shaft that rotates the motor extends at the horizontal direction, the coaxial cam that is provided with on the output shaft that rotates the motor, the articulated hinge bar that is provided with the cam conflict in orbital upper end, the lower wall of hinge bar one end contradicts with the top of cam, the other end with casing fixed connection, the hinge bar is provided with orbital articulated department and is used for making the hinge bar be close to the casing end and have the torsional spring of toward keeping away from casing side rotation trend all the time, the hinge bar is made by alloy spring steel.

When the technical scheme is implemented, the rotating motor is started, and the cam on the output shaft of the rotating motor starts to rotate at the moment; when the convex edge of the cam pushes up against one end of the hinge rod, the other end of the hinge rod, which is positioned at the hinge point, can rotate downwards, and the hinge rod is made of alloy spring steel, so that the hinge rod has certain elastic performance, the shell is vertically pressed downwards along the length direction of the track through the elastic bending of the hinge rod, and the shell vertically moves downwards on the track; when the chimb of cam is no longer pushing against the one end of hinge bar, the torsional spring can make the hinge bar toward keeping away from the casing side and rotate, and that one end of the hinge bar that is connected with the casing promptly can up carry the casing and draw for the casing is vertical up moving on the track, thereby realizes reciprocating of car flower tool bit in vertical direction, and reaches the convenient effect of drive.

Furthermore, a tension spring is arranged between the hinge rod and the top wall of the track, one end of the tension spring is connected with the end, far away from the cam, of the hinge rod, and the other end of the tension spring is connected with the top of the track.

Implement above-mentioned technical scheme, the setting of extension spring can realize tensile and shrink under the rotation of hinge bar to the horizontal displacement of hinge bar tip after the extension of extension spring itself adapts to the hinge bar rotation with the shrink, lets the hinge bar can normally drive the casing and remove in vertical direction.

Further, the hinged rod is provided with a roller which is abutted against the cam in a rotating mode close to the cam end.

Implement above-mentioned technical scheme, the setting of gyro wheel makes the sliding friction between cam and the hinge bar become rolling friction to reduce the wearing and tearing between hinge bar and the cam, increased the life of hinge bar and cam.

Further, the top that lies in the centre gripping platform in the frame is provided with driving motor, driving motor's the vertical upwards extension of output shaft, the coaxial action wheel that is provided with on driving motor's the output shaft, the coaxial follow driving wheel that is provided with of tip that the car flower tool bit was kept away from to the dwang, around being equipped with the belt between action wheel and the follow driving wheel.

When the technical scheme is implemented, the driving motor is started, the driving wheel on the driving motor starts to rotate at the moment, and the belt transmits the rotation generated by the driving wheel to the driven wheel, so that the driven wheel also starts to rotate; because follow the coaxial setting of driving wheel on the dwang, consequently the dwang also can begin the rotation, the car flower tool bit of dwang tip also can realize rotating to reach the comparatively convenient effect of drive dwang rotation.

Further, be provided with two vertical boards in the frame, promote the platform setting two between the vertical board, the driving piece is including setting up the first cylinder on the vertical board of keeping away from the centre gripping platform side, the piston rod of first cylinder with the lateral wall butt of promotion platform, promote the platform and keep away from and seted up the butt groove on the wall of first cylinder, be close to the centre gripping platform be provided with the inserted bar that inserts the butt inslot on the vertical board, be connected with compression spring between the inner diapire in inserted bar and butt groove.

When the technical scheme is implemented, the first air cylinder is started, the piston rod of the first air cylinder begins to extend, the end part of the piston rod of the first air cylinder abuts against the pushing table to move towards the side close to the clamping table, and the compression spring between the inserted rod and the abutting groove begins to contract to push the pushing table to move towards the side close to the clamping table; the first cylinder of restart lets the piston rod of first cylinder retract, and compression spring begins tensile under the effect of self elasticity this moment, will promote the platform and contradict toward the one side of keeping away from the centre gripping platform to the realization promotes the platform and toward the removal of keeping away from the centre gripping platform side, lets the promotion platform reset, so that promote next pipeline section, reach the drive and promote the comparatively convenient effect of platform removal.

Further, actuating mechanism includes the second cylinder, the vertical downwardly extending of piston rod of second cylinder, the cutter head sets up the tip of the piston rod of second cylinder.

By implementing the technical scheme, the second cylinder is started to extend the piston rod of the second cylinder, and at the moment, the piston rod of the second cylinder vertically extends downwards, so that the cutting tool bit is driven to vertically move downwards, and the cutting tool bit positioned at the end part of the piston rod of the second cylinder can cut the pipe material on the cutting table; and the second cylinder is restarted and the piston rod of the second cylinder is retracted, and the piston rod of the second cylinder can be vertically upwards shortened at the moment, so that the cutting tool bit is driven to vertically upwards move, the reciprocating movement of the cutting tool bit in the vertical direction is realized, and the effect that the cutting tool bit is driven to move intuitively and conveniently is achieved.

Furthermore, the frame is located the below of centre gripping platform is provided with the useless groove of collection, be located in the frame the top of centre gripping platform is provided with the air-blower that is used for blowing to the centre gripping platform.

Implement above-mentioned technical scheme, at the in-process of car flower, can produce the sweeps that many cars got off on the centre gripping platform, if not in time clear up just can influence the car flower of pipe material. Open the air-blower this moment for the air-blower is bloied towards the centre gripping platform, and the sweeps receives wind-force just can blow down from the centre gripping platform this moment, falls into the collection waste chute, and then realizes the centralized processing to the sweeps, and reaches the effect of conveniently clearing up the sweeps on the centre gripping platform.

Furthermore, the waste collecting groove is in a frustum pyramid shape, two end faces of the waste collecting groove are provided with openings, and the opening area below the waste collecting groove is smaller than the opening area above the waste collecting groove.

Implement above-mentioned technical scheme, collection waste tank is prismoid shape, and when the sweeps fell into the lateral wall of collection waste tank on, can slide down smoothly along the oblique lateral wall of collection waste tank to the open area of collection waste tank below is less than the open area of collection waste tank top, makes the sweeps that fall can pile up together, thereby can be more convenient when making the post processing sweeps.

Furthermore, a collecting box communicated with the waste collecting groove is arranged at an opening below the waste collecting groove, an opening is formed in the side wall of one end of the collecting box, and a drawer is arranged at the opening of the collecting box in a sliding mode.

Implement above-mentioned technical scheme, the sweeps directly falls into to the collection incasement through collection dirty tank, realizes the concentrated collection to the sweeps to the setting up of drawer makes the sweeps that falls into in the collection incasement can be in the drawer, when clearing up the sweeps in the collection incasement, directly pull out the drawer and fall can, reach convenient operation's effect.

In conclusion, the invention has the following beneficial effects:

the pipe material turning and cutting machine can be used for completely and automatically turning and cutting a pipe material through machinery without manually turning the pipe material, so that the labor loss is reduced, and the turning and cutting efficiency of the turning machine is higher compared with manual turning;

two, sweeps directly fall into to the collection incasement through collection waste chute, realize the concentrated collection to the sweeps to the setting up of drawer makes the sweeps that falls into in the collection case can be in the drawer, and during the sweeps in the clearance collection case, directly pull out the drawer and fall can, reach convenient operation's effect.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a partial cross-sectional view of a hidden portion of a rack of an embodiment of the present invention;

FIG. 3 is a partial cross-sectional view of an embodiment of the present invention with portions of the housing hidden and showing the interior of the push table;

FIG. 4 is an enlarged view of portion A of FIG. 3;

FIG. 5 is an enlarged view of portion B of FIG. 3;

fig. 6 is an exploded schematic view for showing the connection relationship between the flower device and the track according to the embodiment of the present invention.

Reference numerals: 1. a frame; 2. a flower turning device; 21. a housing; 211. a dovetail block; 22. rotating the rod; 221. a driven wheel; 222. a belt; 223. a connecting plate; 224. a vertical rod; 23. a flower turning tool bit; 24. a clamping table; 25. a track; 251. a hinged lever; 2511. a roller; 252. a torsion spring; 253. a tension spring; 254. a vertical plate; 255. a dovetail groove; 26. rotating the motor; 261. a cam; 27. a drive motor; 271. a driving wheel; 28. a vertical plate; 281. a first cylinder; 29. a second cylinder; 3. a pushing table; 31. a butt joint groove; 32. inserting a rod; 33. a compression spring; 34. a push rod; 4. cutting the assembly; 41. a cutting table; 42. a cutter head is cut; 5. a waste collection tank; 6. a blower; 61. an organ tube; 7. a collection box; 71. a drawer.

Detailed Description

The technical solutions of the embodiments of the present invention will be described below with reference to the accompanying drawings.

As shown in fig. 1 and 6, a flower turning machine comprises a frame 1 and a flower turning device 2 arranged on the frame 1, wherein the flower turning device 2 comprises a shell 21, a rotating rod 22 and a flower turning tool bit 23, a rail 25 extending vertically and downwardly is arranged on the frame 1, the shell 21 is arranged on the rail 25 in a sliding manner in the vertical direction, the rotating rod 22 is arranged in the shell 21 in a penetrating manner from top to bottom in a rotating manner, the flower turning tool bit 23 is arranged at the end part, close to the ground, of the rotating rod 22, and a clamping table 24 is arranged on the frame 1 and is positioned right below the flower turning tool bit 23; in the present embodiment, the rail 25 is provided with a dovetail groove 255 along the longitudinal direction of the rail 25, and the side wall of the housing 21 close to the rail 25 is provided with a dovetail block 211 that slides in the dovetail groove.

As shown in fig. 3 and 4, a rotating motor 26 is arranged on the frame 1 above the rail 25, an output shaft of the rotating motor 26 extends in a horizontal direction, a cam 261 is coaxially arranged on the output shaft of the rotating motor 26, two vertical plates 254 are arranged on the top of the rail 25, the output shaft of the rotating motor 26 passes through the plate surfaces of the two vertical plates 254 and is rotatably connected with the vertical plates 254, and the cam 261 is arranged on the output shaft of the rotating motor 26 between the two vertical plates 254; the top of the track 25 is hinged with a hinge rod 251, the hinge rod 251 is hinged between the two vertical plates 254, and the end of the hinge rod 251 close to the cam 261 is rotatably provided with a roller 2511 which is interfered with the cam 261. The hinge point of the hinge rod 251 and the vertical plate 254 is right in front of the cam 261 when viewed from the front; the lower end of the rod section of the hinge rod 251 positioned on one side of the hinge point is abutted against the top of the cam 261, the lower end of the rod section on the other side is fixedly connected with the shell 21, a torsion spring 252 is arranged at the hinge position of the hinge rod 251 and the top wall of the track 25, one end of the torsion spring 252 is connected with the vertical plate 254, and the other end of the torsion spring 252 is connected with the hinge rod 251; the torsion spring 252 is used to make the hinge lever 251 always have a tendency to rotate toward the side away from the housing 21 near the end of the housing 21.

Starting the rotating motor 26, at which time the cam 261 on the output shaft of the rotating motor 26 starts to rotate; when the convex edge of the cam 261 pushes up against one end of the hinge rod 251, the other end of the hinge rod 251 located at the hinge point rotates downwards, and the hinge rod 251 is made of alloy spring steel and has certain elastic performance, so that the shell 21 is vertically pressed downwards along the length direction of the track 25 through the elastic bending of the shell, and the shell 21 is vertically moved downwards on the track 25; when the convex edge of the cam 261 no longer abuts against one end of the hinge rod 251, the torsion spring 252 can enable the hinge rod 251 to rotate towards the side far away from the housing 21, that is, the end of the hinge rod 251 connected with the housing 21 can lift the housing 21 upwards, so that the housing 21 vertically moves upwards on the track 25, the up-and-down movement of the car flower cutter head 23 in the vertical direction is realized, and the effect of convenient driving is achieved.

As shown in fig. 2 and 3, a driving motor 27 is disposed on the frame 1 above the clamping table 24, an output shaft of the driving motor 27 extends vertically upward, a driving wheel 271 is coaxially disposed on the output shaft of the driving motor 27, a driven wheel 221 is coaxially disposed on an end portion of the rotating rod 22 away from the flower cutting head 23, and a belt 222 is disposed between the driving wheel 271 and the driven wheel 221. With reference to fig. 4, in this embodiment, in order to make the pattern turning more efficient, two identical rails 25 are provided on the frame 1, that is, two pattern turning devices 2 are provided on the two rails 25 in a synchronous sliding manner, and the driven wheels 221 at the ends of the two rotating rods 22 are driven by the belt 222; after the driving motor 27 rotates, the first rotating rod 22 starts to rotate, and after the driving motor is transmitted through the belt 222, the second rotating rod 22 also rotates along with the first rotating rod 22, so that the two knurling tool heads 23 rotate simultaneously; the two housings 21 are connected through a connecting plate 223, a vertical rod 224 vertically extends upwards from the connecting plate 223, a tension spring 253 is arranged between one end of the hinge rod 251 and the top of the vertical rod 224, one end of the tension spring 253 is connected with the end of the hinge rod 251, and the other end of the tension spring 253 is connected with the top of the vertical rod 224.

Starting the driving motor 27, wherein the driving wheel 271 of the driving motor 27 starts to rotate, and the belt 222 transmits the rotation generated by the driving wheel 271 to the driven wheel 221, so that the driven wheel 221 also starts to rotate; because the driven wheel 221 is coaxially arranged on the rotating rod 22, the rotating rod 22 can start to rotate, the knurling tool bit 23 at the end of the rotating rod 22 can also rotate, and the tube material on the clamping table 24 can be continuously knurled by matching with the lifting of the shell 21 in the vertical direction.

As shown in fig. 3 and 5, a pushing platform 3 is disposed on one side of the rack 1, which is located on the placing platform, the pushing platform 3 can push the pipe to move on the clamping platform 24, the pushing platform 3 is provided with a push rod 34 abutting against the pipe on the side wall of the clamping platform 24, two vertical plates 28 are disposed on the rack 1, the pushing platform 3 is disposed between the two vertical plates 28, a driving member for driving the pushing platform 3 to move is disposed on the rack 1, the driving member is a first cylinder 281 disposed on the vertical plate 28 far away from the clamping platform 24 side, a piston rod of the first cylinder 281 abuts against the side wall of the pushing platform 3, a abutting groove 31 is disposed on the wall of the pushing platform 3 far away from the first cylinder 281, an inserting rod 32 inserted into the abutting groove 31 is disposed on the vertical plate 28 near the clamping platform 24, and a compression spring 33 is connected between the inserting rod 32 and the inner bottom wall of the abutting groove 31.

Starting the first air cylinder 281, wherein the piston rod of the first air cylinder 281 starts to extend, the end of the piston rod of the first air cylinder 281 abuts against the push table 3 to move towards the clamping table 24, and the compression spring 33 between the insert rod 32 and the abutting groove 31 starts to contract, so that the push table 3 moves towards the clamping table 24; restart first cylinder 281 and let the piston rod of first cylinder 281 retract again, compression spring 33 begins tensile under the effect of self elasticity this moment, will promote platform 3 and contradict toward one side of keeping away from clamping table 24 to realize promoting the removal of platform 3 toward keeping away from clamping table 24 side, let and promote platform 3 and reset, so that promote next pipeline section, reach the drive and promote the comparatively convenient effect of platform 3 removal.

As shown in fig. 2 and 3, a cutting assembly 4 is arranged on the other side of the frame 1, which is away from the clamping table 24 and away from the pushing table 3, the cutting assembly 4 includes a cutting table 41 and a cutting head 42, the cutting table 41 is arranged on the side of the frame 1, which is away from the clamping table 24 and away from the pushing table 3, the cutting head 42 is arranged on the frame 1 and is located right above the cutting table 41, a driving mechanism for driving the cutting head 42 to move in the vertical direction is arranged on the frame 1, the driving mechanism is a second air cylinder 29, a piston rod of the second air cylinder 29 extends vertically and downwardly, and the cutting head 42 is arranged at an end of the piston rod of the second air cylinder 29; the pushing table 3, the holding table 24, and the cutting table 41 are arranged in this order from left to right as viewed in the front view.

The second cylinder 29 is started to extend the piston rod of the second cylinder 29, and at this time, the piston rod of the second cylinder 29 extends vertically and downwardly, so that the cutting tool bit 42 is driven to move vertically and downwardly, and the cutting tool bit 42 located at the end part of the piston rod of the second cylinder 29 can cut the pipe material on the cutting table 41; and the second cylinder 29 is started again to enable the piston rod of the second cylinder 29 to retract, and at the moment, the piston rod of the second cylinder 29 is vertically shortened upwards, so that the cutting tool bit 42 is driven to vertically move upwards, the cutting tool bit 42 can reciprocate in the vertical direction, and the tube material is cut off.

As shown in fig. 2, a waste collecting groove 5 is arranged below a clamping table 24 of the frame 1, the waste collecting groove 5 is in a prismoid shape, two end faces of the waste collecting groove 5 are both provided with openings, and the opening area below the waste collecting groove 5 is smaller than the opening area above the waste collecting groove 5; a blower 6 for blowing air to the placing table is arranged above the clamping table 24 on the frame 1; in the embodiment, the air outlet end of the blower 6 is communicated with the organ pipe 61, so that when the air is sprayed out, an operator can hold the organ pipe 61 to spray air, and the waste scraps on the clamping table 24 are effectively blown down; a collecting box 7 communicated with the waste collecting groove 5 is arranged at an opening at the lower part of the waste collecting groove 5, an opening at one side wall of the collecting box 7 is arranged, and a drawer 71 is arranged at the opening of the collecting box 7 in a sliding way.

In the process of turning, a plurality of waste chips which are turned off can be generated on the clamping table 24, and the turning of the pipe materials can be affected if the waste chips are not cleaned in time. At the moment, the blower 6 is turned on, so that the blower 6 blows air towards the placing table, and the scraps are blown down from the placing table by wind power and fall into the scrap collecting groove 5; the sweeps slide down smoothly along the oblique lateral wall of collection waste chute 5, fall into collection box 7, realize the concentrated collection to the sweeps to the setting of drawer 71 makes the sweeps that fall into in collection box 7 can be in drawer 71, and when clearing up the sweeps in the collection box 7, directly pull out drawer 71 and pour.

The specific working process is as follows: firstly, a pipe material is placed on a clamping table 24, a driving motor 27 is started to enable a turning tool bit 23 to start rotating, then a rotating motor 26 is started to enable a shell 21 to drive a rotating rod 22 and the turning tool bit 23 to slide downwards, at the moment, the turning tool bit 23 can turn the turning tool bit on the pipe material on the clamping table 24, the shell 21 automatically moves vertically upwards due to the cooperation of a cam 261 and a torsion spring 252, then the pipe material on the clamping table 24 is turned over for 180 degrees, and the turning tool bit 23 can turn the turning tool bit on the other side wall of the pipe material; after the pattern turning is finished, starting the first air cylinder 281, enabling the pushing platform 3 to move towards the side close to the clamping platform 24, enabling the tube material to move forwards for a certain distance by the pattern turning section and move onto the cutting platform 41, enabling the other section of the tube material which is not subjected to pattern turning to be positioned below the pattern turning tool bit 23, and then enabling the cutting tool bit 42 to vertically move downwards to continue to carry out pattern turning on the tube material; then, the second cylinder 29 is started, the cutting tool bit 42 is vertically moved downwards, a section of tube material which is positioned on the cutting table 41 and is finished by turning is cut, and a worker is responsible for taking down the cut tube section for collection.

Claims

1. The utility model provides a car flower machine, its characterized in that, includes frame (1), car flower device (2) of setting in frame (1), car flower device (2) including vertical slip setting casing (21) in frame (1), rotation setting dwang (22) in casing (21) and set up car flower tool bit (23) at dwang (22) tip, be provided with grip block (24) under lieing in car flower tool bit (23) in frame (1), one side that lies in grip block (24) in frame (1) is provided with promotion platform (3) that promote the pipe material and move on grip block (24), be provided with the driving piece that is used for driving promotion platform (3) to remove on frame (1), the opposite side that lies in grip block (24) in frame (1) and keep away from promotion platform (3) is provided with cutting assembly (4), cutting assembly (4) are including setting up lie in promotion platform (3) in frame (1) and keep away from grip block (24) The cutting machine comprises a cutting table (41) on one side and a cutting tool bit (42) arranged on a rack (1) and positioned right above the cutting table (41), wherein a driving mechanism for driving the cutting tool bit (42) to move in the vertical direction is arranged on the rack (1);

a track (25) is arranged on the frame (1), the shell (21) is vertically arranged on the track (25) in a sliding way, a rotating motor (26) is arranged on the frame (1) above the track (25), the output shaft of the rotating motor (26) extends in the horizontal direction, a cam (261) is coaxially arranged on the output shaft of the rotating motor (26), the upper end of the track (25) is hinged with a hinged rod (251) which is propped against the cam (261), the lower wall of one end of the hinged rod (251) is abutted against the top of the cam (261), the other end of the hinged rod is fixedly connected with the shell (21), a torsion spring (252) used for enabling the end, close to the shell (21), of the hinge rod (251) to always have a tendency of rotating towards the side far away from the shell (21) is arranged at the hinge position of the hinge rod (251) and the track (25), and the hinge rod (251) is made of alloy spring steel;

the two shells (21) are connected through a connecting plate (223), a vertical rod (224) vertically extends upwards from the connecting plate (223), a tension spring (253) is arranged between one end of the hinge rod (251) and the top of the vertical rod (224), one end of the tension spring (253) is connected with the end of the hinge rod (251), and the other end of the tension spring is connected with the top of the vertical rod (224); be provided with two vertical boards (28) on frame (1), promote platform (3) and set up two between vertical board (28), the driving piece is including setting up first cylinder (281) on vertical board (28) of keeping away from centre gripping platform (24) side, the piston rod of first cylinder (281) with promote the lateral wall butt of platform (3), promote platform (3) and seted up butt groove (31) on keeping away from the wall of first cylinder (281), be close to centre gripping platform (24) be provided with on vertical board (28) and insert inserted bar (32) in butt groove (31), be connected with compression spring (33) between the inner bottom wall in inserted bar (32) and butt groove (31).

2. The faceting machine according to claim 1, characterized in that said hinged lever (251) is provided in rotation, close to the cam (261) end, with a roller (2511) interfering with said cam (261).

3. The faceting machine as claimed in claim 1, characterized in that a driving motor (27) is arranged above the clamping table (24) on the frame (1), an output shaft of the driving motor (27) extends vertically upwards, a driving wheel (271) is coaxially arranged on the output shaft of the driving motor (27), a driven wheel (221) is coaxially arranged on the end portion of the rotating rod (22) far away from the faceting head (23), and a belt (222) is arranged between the driving wheel (271) and the driven wheel (221).

4. The faceting machine according to claim 1, characterized in that the drive mechanism comprises a second cylinder (29), the piston rod of the second cylinder (29) extending vertically downwards, the cutter head (42) being arranged at the end of the piston rod of the second cylinder (29).

5. The faceting machine according to claim 1, characterized in that the frame (1) is provided with a waste collecting chute (5) below the clamping table (24), and that the frame (1) is provided with a blower (6) above the clamping table (24) for blowing air to the clamping table (24).

6. The faceting machine according to claim 5, characterized in that the waste collecting groove (5) is shaped like a frustum of a pyramid, both end faces of the waste collecting groove (5) are provided with openings, and the area of the opening below the waste collecting groove (5) is smaller than that of the opening above the waste collecting groove (5).

7. The faceting machine as claimed in claim 6, characterized in that the collection box (7) connected with the waste collecting groove (5) is arranged at the lower opening of the waste collecting groove (5), the collection box (7) is arranged at the side wall opening at one end, and the drawer (71) is arranged at the opening of the collection box (7) in a sliding way.