CN114955536A

CN114955536A - Material taking system of plastic product hot-press forming machine

Info

Publication number: CN114955536A
Application number: CN202210599333.5A
Authority: CN
Inventors: 徐刚; 汤强; 张国峰; 高慧杰
Original assignee: Shaoxing Pengsheng Plastic Industry Co ltd
Current assignee: Shaoxing Pengsheng Plastic Industry Co ltd
Priority date: 2022-05-30
Filing date: 2022-05-30
Publication date: 2022-08-30
Anticipated expiration: 2042-05-30
Also published as: CN114955536B

Abstract

The invention discloses a material taking system of a plastic product hot-press forming machine, which comprises a transverse frame, a moving bin, a power device, a longitudinal beam, a moving seat, a first driving cylinder, a vertical arm, a telescopic arm, a second driving cylinder, an adjusting plate and a plurality of vacuum suckers, wherein the transverse frame is provided with a plurality of guide rails; the adjusting plate is provided with a spiral involute hole, a plurality of vacuum chucks are connected to the spiral involute hole in a sliding mode, and a limiting unlocking mechanism used for limiting or unlocking the movement of the vacuum chucks is arranged between the vacuum chucks and the adjusting plate. The invention has the following advantages and effects: according to the scheme, a new mechanical structure is utilized, the spiral involute hole is formed in the adjusting plate, the vacuum chuck is connected to the spiral involute in a sliding mode, and at the moment, the vacuum chuck made of proper plastic can be selected and the installation position of the vacuum chuck can be adjusted according to products of different models, so that different plastic products are adapted to perform negative pressure adsorption; meanwhile, the limiting and unlocking mechanism can limit or unlock the vacuum chuck to move, so that the position of the vacuum chuck can be conveniently adjusted.

Description

Material taking system of plastic product hot-press forming machine

Technical Field

The invention relates to the field of plastic processing equipment, in particular to a material taking system of a plastic product hot-pressing forming machine.

Background

After the plastic product is subjected to hot press molding, the plastic product is attached to the mold, and the plastic product needs to be taken off from the mold by a material taking system and then is transported to a conveyor belt. The execution end of the existing material taking system is provided with a plurality of vacuum chucks so as to realize that the plastic products are sucked by the vacuum chucks.

But the shapes of different plastic products are different, thereby providing a limitation on the installation position of the vacuum chuck. The position of the vacuum suction cup of the existing actuating end is usually designed for a certain plastic product, the position of the vacuum suction cup is fixed and cannot be adjusted, and the vacuum suction cup is not suitable for other plastic products, so that the vacuum suction cup has the defects in use.

Disclosure of Invention

The invention aims to provide a material taking system of a plastic product hot-pressing forming machine, which has the function of conveniently adjusting the position of a vacuum chuck to adapt to different plastic products for use.

The technical purpose of the invention is realized by the following technical scheme: a material taking system of a plastic product hot-press molding machine comprises a cross frame, a moving bin, a power device, a longitudinal beam, a moving seat, a first driving cylinder, a vertical arm, a telescopic arm, a second driving cylinder, an adjusting plate and a plurality of vacuum chucks, wherein the cross frame is erected above a machine body of the hot-press molding machine; the vacuum chuck is characterized in that a spiral involute hole is formed in the adjusting plate, the vacuum chucks are connected to the spiral involute hole in a sliding mode, and a limiting and unlocking mechanism used for limiting or unlocking the movement of the vacuum chucks is arranged between the vacuum chucks and the adjusting plate.

The invention is further provided with: the vacuum chuck comprises a negative pressure chuck, a joint, a middle pipe and a locking knob, wherein the middle pipe is communicated between the negative pressure chuck and the joint; the limiting unlocking mechanism comprises a limiting sleeve and a compression spring, wherein the limiting sleeve is arranged on the spiral involute hole in a relative sliding mode and is used for enabling one end of the middle pipe close to the joint to penetrate through, the compression spring is sleeved on the middle pipe, two ends of the compression spring abut against the limiting sleeve and the limiting ring, and the limiting sleeve can be fixed at any position of the adjusting plate in the sliding process.

The invention is further provided with: the adjusting plate is close to and is provided with the gradually-opening wire groove of spiral that is parallel with spiral involute hole on the terminal surface of negative pressure suction cup, the stop collar includes that the cross-section is the first cover body of "L" type, the cross-section is down "L" type and with the second cover body of first cover body threaded connection, be provided with on the first cover body and imbed at the spiral involute downthehole spacing axle in order to restrict first cover body pivoted, support tightly two surfaces at the adjusting plate respectively behind the first cover body and the second cover body threaded connection, the first cover body and second cover body supply the intervalve to pass.

The invention is further provided with: the surface of the second sleeve body, which is far away from the first sleeve body, is provided with a positioning groove in a regular polygon shape, and the locking knob is provided with a positioning block embedded in the positioning groove.

The invention is further configured as follows: the limiting sleeve is tightly abutted to the end face, far away from the locking knob, of the adjusting plate under the action of the compression spring, rubber strips close to the inner side of the spiral involute holes are embedded into the end face, close to the negative pressure sucker, of the adjusting plate, soft magnetic strips close to the outer side of the spiral involute holes are embedded into the end face, close to the negative pressure sucker, of the adjusting plate, a plurality of iron needles used for penetrating into the rubber strips are arranged on the limiting sleeve, and magnets used for being magnetically adsorbed on the soft magnetic strips are arranged on the limiting sleeve.

The invention is further provided with: adjusting plate one end is rotated and is connected at flexible arm lower extreme, it has the third that orders about the adjusting plate and rotates the vertical state downwards or upwards rotates the horizontality to drive actuating cylinder to articulate between flexible arm and the adjusting plate.

The invention is further provided with: the adjusting plate is detachably provided with a wind guide sleeve through a screw on the end face far away from the negative pressure sucker, and the wind guide sleeve is provided with a cooling fan which is used for blowing air into the wind guide sleeve and cooling the plastic part through a spiral involute hole.

The invention is further provided with: the power device comprises a rack arranged on the side surface of the cross frame, a driving motor arranged on the movable bin, and a gear arranged on an output shaft of the driving motor and meshed with the rack.

In conclusion, the invention has the following beneficial effects:

1. because the adjusting plate is provided with the spiral involute hole, the vacuum chuck is connected to the spiral involute in a sliding way, and the vacuum chuck with proper plastic can be selected and the installation position of the vacuum chuck can be adjusted according to products with different models, so that the vacuum chuck is adaptive to different plastic products for negative pressure adsorption; meanwhile, the limiting and unlocking mechanism can limit or unlock the vacuum chuck to move, so that the position of the vacuum chuck can be conveniently adjusted;

2. when the position of the vacuum chuck needs to be adjusted, the position of the limiting sleeve can be fixed after being adjusted, so that the position of the vacuum chuck can be adjusted; the vacuum sucker comprises a negative pressure sucker, a joint, an intermediate pipe and a locking knob, wherein the intermediate pipe is communicated between the negative pressure sucker and the joint, and a compression spring of the vacuum sucker limiting and unlocking mechanism is tightly propped between a limiting sleeve and a limiting ring according to a shaft, so that when the negative pressure sucker of the vacuum sucker is contacted with a plastic product, the negative pressure sucker can be buffered through the deformation of the compression spring, and the impact is reduced; meanwhile, the initial elasticity of the compression spring can be adjusted by changing the position of the locking knob on the external thread, so that the distance between the negative pressure sucker and the adjusting plate can be adjusted to adapt to the condition that the adsorption point parts of the plastic products are on the same plane;

3. the limiting sleeve comprises a first sleeve body and a second sleeve body, and the first sleeve body and the second sleeve body are respectively abutted against two surfaces of the adjusting plate after being in threaded connection, so that the limiting sleeve is fixed, and the problem of limiting the vacuum chuck is solved; meanwhile, the first sleeve body is provided with a limiting shaft which is embedded in the spiral involute hole to limit the rotation of the first sleeve body, and the first sleeve body and the second sleeve body are conveniently unscrewed when the second sleeve body is rotated, so that the position of the limiting sleeve on the spiral involute hole is adjusted;

3. the surface of the second sleeve body, which is far away from the first sleeve body, is provided with the positioning groove in a regular polygon shape, and the locking knob is provided with the positioning block which is embedded into the positioning groove, so that the second sleeve body can be driven to be screwed down or unscrewed when the locking knob is rotated, and the arrangement of the compression spring can realize that the positioning block is kept embedded into the positioning groove, so that the second sleeve body can be driven to rotate through the locking knob conveniently; meanwhile, when the position of the locking knob on the external thread needs to be changed, the positioning block can be separated from the positioning groove firstly by applying pressure to the compression spring, and then the locking knob is rotated to adjust the position;

4. the end surface of the adjusting plate close to the negative pressure sucker is embedded with a rubber strip close to the inner side of the spiral involute hole, the end surface of the adjusting plate close to the negative pressure sucker is embedded with a soft magnetic strip close to the outer side of the spiral involute hole, a plurality of iron needles penetrating into the rubber strip are arranged on the limiting sleeve, and a magnet magnetically adsorbed on the soft magnetic strip is arranged on the limiting sleeve; at the moment, when the position of the limiting sleeve needs to be adjusted, acting force towards the negative pressure sucker is applied to the limiting sleeve, so that the magnet is separated from the soft magnetic strip, the iron needle is separated from the rubber strip, and the limiting sleeve can be moved; meanwhile, after the position of the limiting sleeve is adjusted, the iron needle can be inserted into the rubber strip, so that the magnet and the soft magnetic strip are adsorbed, and the position of the limiting sleeve is fixed;

5. one end of the adjusting plate is rotatably connected to the lower end of the telescopic arm, a third driving cylinder for driving the adjusting plate to rotate downwards to a vertical state or rotate upwards to a horizontal state is hinged between the telescopic arm and the adjusting plate, and the angle of the plastic product during transportation can be adjusted according to the shape of the plastic product, so that the maximum end face of the plastic product can be downward as far as possible, and the plastic product can fall off when being transported to a conveying belt conveniently;

6. the plastic product is high in temperature after hot press molding, and at the moment, cold air can pass through the spiral involute hole through the air guide sleeve and the cooling fan to cool the plastic product.

Drawings

FIG. 1 is a schematic structural view of example 1;

FIG. 2 is a schematic view of the structure of the conditioning disk and the vacuum chuck in example 1;

FIG. 3 is a schematic view showing the structure of the vacuum chuck and the limit unlocking mechanism in embodiment 1 (the spring is not deformed again);

FIG. 4 is a partial sectional view of the structure of the adjusting disk, the vacuum chuck and the limit unlocking mechanism in embodiment 1;

fig. 5 is a partial structural sectional view of the adjusting disk, the vacuum chuck and the limit unlocking mechanism in embodiment 2.

Reference numerals: 1. a cross frame; 2. moving the bin; 3. a power plant; 31. a rack; 32. a drive motor; 33. a gear; 4. a stringer; 5. a movable seat; 6. a first driving cylinder; 7. a vertical arm; 8. a telescopic arm; 9. a second driving cylinder; 10. an adjusting plate; 101. a spiral involute hole; 102. a spiral involute slot; 103. a rubber strip; 104. soft magnetic strips; 11. a vacuum chuck; 111. a negative pressure sucker; 112. a joint; 113. an intermediate pipe; 114. locking the knob; 1141. positioning blocks; 115. a limiting ring; 116. an external thread; 12. a limiting unlocking mechanism; 121. a limiting sleeve; 1211. a first sleeve body; 12111. a limiting shaft; 1212. a second sleeve body; 12121. positioning a groove; 1213. an iron needle; 1214. a magnet; 122. a compression spring; 13. a third driving cylinder; 14. a wind guide sleeve; 15. and a cooling fan.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example 1: the utility model provides a plastic products thermoforming machine's material taking system, as shown in figure 1, including the crossbearer 1 that is used for erectting in thermoforming machine's organism top, remove the removal storehouse 2 that sets up on crossbearer 1, set up power device 3 between crossbearer 1 and removal storehouse 2, set up on removal storehouse 2 and extending direction and crossbearer 1 extending direction looks vertically longeron 4, remove the removal seat 5 of setting on longeron 4, both ends set up the first actuating cylinder 6 that drives between longeron 4 and removal seat 5, set up at removal seat 5 and along the vertical arm 7 of vertical decurrent direction extension, flexible arm 8 of setting on vertical arm 7, both ends set up the second actuating cylinder 9 that drives between vertical arm 7 and flexible arm 8, set up at the regulating plate 10 of flexible arm 8 lower extreme, a plurality of vacuum chuck 11 of setting on regulating plate 10.

As shown in fig. 1, the power device 3 includes a rack 31 disposed on a side surface of the cross frame 1, a driving motor 32 disposed on the moving compartment 2, and a gear 33 disposed on an output shaft of the driving motor 32 and engaged with the rack 31. One end of the adjusting plate 10 is rotatably connected to the lower end of the telescopic arm 8, and a third driving cylinder 13 for driving the adjusting plate 10 to rotate downwards to a vertical state or upwards to a horizontal state is hinged between the telescopic arm 8 and the adjusting plate 10.

As shown in fig. 1 and 2, a spiral involute hole 101 is formed in the adjusting plate 10, a plurality of vacuum chucks 11 are slidably connected to the spiral involute hole 101, and a limiting and unlocking mechanism 12 for limiting or unlocking the movement of the vacuum chucks 11 is disposed between the vacuum chucks 11 and the adjusting plate 10. Meanwhile, the end face, far away from the negative pressure suction cup 111, of the adjusting plate 10 is detachably provided with an air guide sleeve 14 through a screw, and the air guide sleeve 14 is provided with a cooling fan 15 which is used for blowing air into the air guide sleeve 14 and cooling the plastic part through the spiral involute hole 101.

As shown in fig. 1 to 4, the vacuum chuck 11 includes a negative pressure chuck 111, a joint 112, a middle tube 113 communicating between the negative pressure chuck 111 and the joint 112, and a locking knob 114, wherein a limiting ring 115 is disposed at one end of the middle tube 113 close to the negative pressure chuck 111, an external thread 116 for the locking knob 114 to pass through the joint 112 and then to be in threaded connection is disposed at the other end periphery of the middle tube 113 close to the negative pressure chuck 111, and the limiting ring 115 and the locking knob 114 are disposed at two sides of the adjusting plate 10. The limiting unlocking mechanism 12 comprises a limiting sleeve 121 which is arranged on the spiral involute hole 101 in a relatively sliding mode and is used for allowing one end of the middle pipe 113 close to the joint 112 to penetrate through, and a compression spring 122 which is sleeved on the middle pipe 113 and two ends of the compression spring abut against between the limiting sleeve 121 and the limiting ring 115, and the limiting sleeve 121 can be fixed at any position of the adjusting plate 10 in the sliding process.

As shown in fig. 2 to 4, a spiral involute groove 102 parallel to the spiral involute hole 101 is disposed on an end surface of the adjustment plate 10 close to the negative pressure suction cup 111, the stop collar 121 includes a first sleeve 1211 having an "L" shape in cross section, and a second sleeve 1212 having an inverted "L" shape in cross section and being in threaded connection with the first sleeve 1211, the first sleeve 1211 is provided with a limit shaft 12111 embedded in the spiral involute hole 101 to limit the rotation of the first sleeve 1211, the first sleeve 1211 and the second sleeve 1212 are respectively abutted against two surfaces of the adjustment plate 10 after being in threaded connection, and the first sleeve 1211 and the second sleeve 1212 are used for the middle tube 113 to pass through. The surface of the second sleeve 1212 facing away from the first sleeve 1211 is provided with a positioning groove 12121 in the shape of a regular polygon, and the locking knob 114 is provided with a positioning block 1141 for being embedded in the positioning groove 12121.

The implementation effect is as follows: because the adjusting plate 10 is provided with the spiral involute hole 101, and the vacuum chuck 11 is connected to the spiral involute in a sliding way, the vacuum chuck 11 made of proper plastics can be selected and the mounting position of the vacuum chuck 11 can be adjusted according to products of different models, so that the vacuum chuck is adaptive to different plastic products for negative pressure adsorption; meanwhile, the limiting and unlocking mechanism 12 can limit or unlock the movement of the vacuum chuck 11, so that the position of the vacuum chuck 11 can be conveniently adjusted. When the position of the vacuum chuck 11 needs to be adjusted, the position of the rear limiting sleeve 121 can be adjusted to realize fixation, so that the position of the vacuum chuck 11 can be adjusted; the vacuum chuck 11 comprises a negative pressure chuck 111, a joint 112, a middle pipe 113 communicated between the negative pressure chuck 111 and the joint 112, and a locking knob 114, and a compression spring 122 of the vacuum chuck 11 limiting and unlocking mechanism 12 is tightly propped against between a limiting sleeve 121 and a limiting ring 115 according to an axis, so that when the negative pressure chuck 111 of the vacuum chuck 11 is contacted with a plastic product, the deformation of the compression spring 122 can be used for buffering, and the collision can be reduced; meanwhile, the initial elastic force of the compression spring 122 can be adjusted by changing the position of the locking knob 114 on the external thread 116, so that the distance between the negative pressure suction cup 111 and the adjusting plate 10 can be adjusted to adapt to the condition that the adsorption point parts of the plastic products are on the same plane.

The position-limiting sleeve 121 comprises a first sleeve body and a second sleeve body 1212, and the first sleeve body 1211 and the second sleeve body 1212 are respectively abutted against two surfaces of the adjusting plate 10 after being in threaded connection, so that the position-limiting sleeve 121 is fixed, and the problem of limiting the vacuum chuck 11 is solved; meanwhile, the first sleeve 1211 is provided with a limiting shaft 12111 which is embedded in the spiral involute hole 101 to limit the rotation of the first sleeve 1211, so that the first sleeve 1211 and the second sleeve 1212 can be unscrewed conveniently when the second sleeve 1212 is rotated, and the position of the limiting sleeve 121 on the spiral involute hole 101 can be adjusted. The surface of the second sleeve 1212, which is far away from the first sleeve 1211, is provided with a positioning groove 12121 in the shape of a regular polygon, and the locking knob 114 is provided with a positioning block 1141 for being embedded in the positioning groove 12121, so that the locking knob 114 can be rotated to screw or unscrew the second sleeve 1212, and the compression spring 122 is provided to keep the positioning block 1141 embedded in the positioning groove 12121, so as to facilitate the rotation of the second sleeve 1212 driven by the locking knob 114; meanwhile, when the position of the locking knob 114 on the external thread 116 needs to be changed, the positioning block 1141 is disengaged from the positioning groove 12121 by pressing the compression spring 122, and then the locking knob 114 is rotated to adjust the position.

Rotate to be connected at 8 lower extremes of flexible arm in regulating plate 10 one end, articulated between flexible arm 8 and the regulating plate 10 have and order about regulating plate 10 and rotate the vertical state downwards or upwards rotate the third of horizontality and drive actuating cylinder 13, can be according to plastic products's shape this moment for angle when adjusting plastic products transportation, thereby can realize that plastic products's the biggest terminal surface can down as far as, drop when in order to make things convenient for to transport on the conveyer belt. After the plastic product is hot-pressed and formed, the temperature is higher, and at the moment, cold air can pass through the spiral involute hole 101 through the arrangement of the air guide sleeve 14 and the cooling fan 15 to realize air cooling on the plastic product.

Example 2: a material taking system of a plastic product hot-press molding machine is different from that of embodiment 1 in that a limiting sleeve 121 is different in structure, as shown in fig. 2 to 5, the limiting sleeve 121 is tightly abutted to an end face, far away from a locking knob 114, of an adjusting plate 10 under the action of a compression spring 122, a rubber strip 103 close to the inner side of a spiral involute hole 101 is embedded and arranged on the end face, close to a negative pressure suction disc 111, of the adjusting plate 10, a soft magnetic strip 104 close to the outer side of the spiral involute hole 101 is embedded and arranged on the end face, close to the negative pressure suction disc 111, of the adjusting plate 10, a plurality of iron needles 1213 used for penetrating into the rubber strip 103 are arranged on the limiting sleeve 121, and a magnet 1214 used for being magnetically adsorbed on the soft magnetic strip 104 is arranged on the limiting sleeve 121.

The implementation effect is as follows: the end face, close to the negative pressure sucker 111, of the adjusting plate 10 is embedded with a rubber strip 103 close to the inner side of the spiral involute hole 101, the end face, close to the negative pressure sucker 111, of the adjusting plate 10 is embedded with a soft magnetic strip 104 close to the outer side of the spiral involute hole 101, a plurality of iron needles 1213 used for penetrating into the rubber strip 103 are arranged on the limiting sleeve 121, and a magnet 1214 used for being magnetically adsorbed on the soft magnetic strip 104 is arranged on the limiting sleeve 121; at this time, when the position of the position limiting sleeve 121 needs to be adjusted, acting force towards the negative pressure suction cup 111 is applied to the position limiting sleeve 121, so that the magnet 1214 and the soft magnetic strip 104 are separated, the iron needle 1213 and the rubber strip 103 are separated, and the position limiting sleeve 121 can be moved; meanwhile, after the position of the position limiting sleeve 121 is adjusted, the iron needle 1213 can be inserted into the rubber strip 103, so that the magnet 1214 and the soft magnetic strip 104 are attracted to fix the position of the position limiting sleeve 121.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Claims

1. The utility model provides a plastic products thermoforming machine's material collecting system which characterized in that: comprises a cross frame (1) arranged above a machine body of a hot-pressing forming machine, a moving bin (2) movably arranged on the cross frame (1), a power device (3) arranged between the cross frame (1) and the moving bin (2), a longitudinal beam (4) arranged on the moving bin (2) and with the extending direction vertical to the extending direction of the cross frame (1), a moving seat (5) movably arranged on the longitudinal beam (4), and a first driving cylinder (6) with two ends arranged between the longitudinal beam (4) and the moving seat (5), the device comprises a vertical arm (7) which is arranged on a moving seat (5) and extends along a vertical downward direction, a telescopic arm (8) which is telescopically arranged on the vertical arm (7), a second driving cylinder (9) with two ends arranged between the vertical arm (7) and the telescopic arm (8), an adjusting plate (10) arranged at the lower end of the telescopic arm (8), and a plurality of vacuum suckers (11) arranged on the adjusting plate (10); the vacuum cup is characterized in that a spiral involute hole (101) is formed in the adjusting plate (10), the vacuum cups (11) are connected to the spiral involute hole (101) in a sliding mode, and a limiting unlocking mechanism (12) used for limiting or unlocking the movement of the vacuum cups (11) is arranged between the vacuum cups (11) and the adjusting plate (10).

2. The reclaiming system of a plastic product thermoforming machine as claimed in claim 1, wherein: the vacuum sucker (11) comprises a negative pressure sucker (111), a joint (112), a middle pipe (113) and a locking knob (114), wherein the middle pipe (113) is communicated between the negative pressure sucker (111) and the joint (112), a limiting ring (115) is arranged at one end, close to the negative pressure sucker (111), of the middle pipe (113), an external thread (116) for the locking knob (114) to pass through the joint (112) to be in threaded connection is arranged on the periphery of the other end, close to the negative pressure sucker (111), of the middle pipe (113), and the limiting ring (115) and the locking knob (114) are distributed on two sides of the adjusting plate (10); the limiting unlocking mechanism (12) comprises a limiting sleeve (121) which is arranged on the spiral involute hole (101) in a relative sliding mode and allows one end of the middle pipe (113) to penetrate through the end close to the joint (112), and a compression spring (122) which is sleeved on the middle pipe (113) and two ends of the compression spring are abutted between the limiting sleeve (121) and the limiting ring (115), and the limiting sleeve (121) can be fixed at any position of the adjusting plate (10) in the sliding process.

3. The reclaiming system of a plastic product thermoforming machine as claimed in claim 2, wherein: the end face, close to the negative pressure sucker (111), of the adjusting plate (10) is provided with a spiral involute groove (102) parallel to the spiral involute hole (101), the limiting sleeve (121) comprises a first sleeve body (1211) with an L-shaped cross section and a second sleeve body (1212) with an inverted L-shaped cross section and in threaded connection with the first sleeve body (1211), the first sleeve body (1211) is provided with a limiting shaft (12111) embedded in the spiral involute hole (101) to limit rotation of the first sleeve body (1211), the first sleeve body (1211) and the second sleeve body (1212) are respectively abutted to two surfaces of the adjusting plate (10) after being in threaded connection, and the first sleeve body (1211) and the second sleeve body (1212) are used for the intermediate pipe (113) to pass through.

4. The reclaiming system of a plastic product thermoforming machine as claimed in claim 3, wherein: the surface of the second sleeve body (1212) far away from the first sleeve body (1211) is provided with a positioning groove (12121) in a regular polygon shape, and the locking knob (114) is provided with a positioning block (1141) embedded in the positioning groove (12121).

5. The reclaiming system of a plastic product thermoforming machine as claimed in claim 2, wherein: stop collar (121) support tightly under compression spring (122) on the terminal surface that locking knob (114) was kept away from in regulating plate (10), the embedding is provided with rubber strip (103) that are close to spiral involute hole (101) inboard on the terminal surface that regulating plate (10) are close to negative pressure suction cup (111), the embedding is provided with soft magnetic stripe (104) that are close to spiral involute hole (101) outside on the terminal surface that regulating plate (10) are close to negative pressure suction cup (111), be provided with a plurality of needles (1213) that are used for stabbing in rubber strip (103) on stop collar (121), be provided with magnet (1214) that are used for magnetism absorption on soft magnetic stripe (104) on stop collar (121).

6. The reclaiming system of a plastic product thermoforming machine as claimed in claim 2, wherein: regulating plate (10) one end is rotated and is connected at flexible arm (8) lower extreme, it has third actuating cylinder (13) that drives regulating plate (10) and rotate the vertical state downwards or upwards rotate the horizontality to articulate between flexible arm (8) and regulating plate (10).

7. The reclaiming system of a plastic product thermoforming machine as claimed in claim 2, wherein: the end face, far away from the negative pressure sucker (111), of the adjusting plate (10) is detachably provided with an air guide sleeve (14) through a screw, and the air guide sleeve (14) is provided with a cooling fan (15) which is used for blowing air into the air guide sleeve (14) and cooling the plastic part through a spiral involute hole (101).

8. The reclaiming system of a plastic product thermoforming machine as claimed in claim 1, wherein: the power device (3) comprises a rack (31) arranged on the side surface of the transverse frame (1), a driving motor (32) arranged on the movable bin (2), and a gear (33) which is arranged on an output shaft of the driving motor (32) and is meshed with the rack (31).