CN220593013U - Quick screw rod pulling device - Google Patents

Abstract

The application provides a quick screw pulling device relates to extruder screw dismouting equipment field. It comprises the following steps: the mounting seat, locate supporting part of mounting seat bottom and locate the adapting unit at the mount seat top, the one end department of mount seat is equipped with and is suitable for the butt unit with the casing butt of extruder, adapting unit is suitable for accepting the screw rod of extruder, be equipped with the guide rail along length direction on the mount seat, be equipped with on the guide rail and be suitable for along the movable plate that the guide rail removed, the last connecting through-hole that has seted up of movable plate, connecting through-hole be suitable for with the screw rod is connected, be close to on the mount seat one side department of butt unit is equipped with the pneumatic cylinder, the pneumatic cylinder be suitable for with movable plate butt and to the movable plate is exerted and is kept away from the thrust of extruder. The screw rod pulling device has the advantages that the screw rod is not easy to slide when being pulled out, so that the screw rod can be pulled out conveniently.

Description

Quick screw rod pulling device

Technical Field

The application relates to the field of extruder screw disassembly equipment, in particular to a quick screw pulling device.

Background

The screw extruder consists of a transmission device, a feeding device, a charging barrel, a screw and the like, and is widely applied to the molding processing of extruded products.

After long-term use, the threaded rod extruder needs to be pulled out of the threaded rod in the extruder and cleaned, and generally, the threaded rod in the machine barrel is difficult to pull out by manpower, and a threaded rod disassembling device is usually needed to assist in pulling out the threaded rod.

The Chinese patent with the bulletin number of CN210190504U discloses a screw rod drawing device of a double-screw extruder, which comprises a frame, a roller wheel arranged at the bottom of the frame, a bearing part suitable for placing a screw rod and a driving part, wherein the bearing part is in sliding connection with the frame, a fixing part capable of fixing the screw rod is connected to the bearing part, and the driving part is arranged on the frame and can pull the bearing part to draw out the screw rod. However, when the screw is pulled out, the device receives the reaction force of the screw, so that the frame in the device slides towards the direction approaching the extruder, which is unfavorable for pulling out the screw.

In view of this, it is desirable to provide a quick screw extraction device.

Disclosure of Invention

In order to solve the problem that screw rod dismounting equipment slides, be unfavorable for extracting the screw rod, this application provides a quick screw rod device that pulls out.

The application provides a quick screw rod pulling device, adopts following technical scheme: the device comprises a mounting seat, a supporting part arranged at the bottom of the mounting seat and a bearing part arranged at the top of the mounting seat, wherein an abutting unit which is suitable for being abutted to a shell of an extruder is arranged at one end of the mounting seat, the bearing part is suitable for bearing a screw rod of the extruder, a guide rail is arranged on the mounting seat along the length direction, a moving plate which is suitable for moving along the guide rail is arranged on the guide rail, a connecting through hole is formed in the moving plate, the connecting through hole is suitable for being connected with the screw rod, a hydraulic cylinder is arranged at one side, close to the abutting unit, of the mounting seat, and the hydraulic cylinder is suitable for being abutted to the moving plate and exerting thrust away from the extruder on the moving plate.

By adopting the technical scheme, under the pushing of the hydraulic cylinder, the moving plate can drive the screw rod to gradually keep away from the casing of the extruder along the length direction of the guide rail, and the pulled part of the screw rod can be supported by the supporting part, so that the screw rod is not easy to incline and is rubbed with the casing, and the screw rod is damaged; the butt unit can be when the pneumatic cylinder promotes the carriage plate butt on the casing of extruder to make the casing to the reaction force of screw rod to quick pull out screw rod device can be offset to the power of butt unit, thereby make quick pull out screw rod device can not slide to the direction that is close to the extruder, in order to pull out the screw rod.

Specifically, the mount pad still includes connecting plate and backup pad, the one end of connecting plate with be equipped with on the mount pad the one end of butt unit is connected, the other end of connecting plate to keeping away from the direction of mount pad extends and with the one end of backup pad is connected, the other end of backup pad extends to ground, the pneumatic cylinder with the backup pad is connected.

Through adopting above-mentioned technical scheme, set up the cylinder body that connecting plate and backup pad can fix the pneumatic cylinder to make when the piston rod of pneumatic cylinder promotes the movable block in order to extract the screw rod of extruder, the cylinder body of pneumatic cylinder can not produce and remove, so that extract the screw rod.

Further, a reinforcing rib is connected between the supporting plate and the connecting plate.

Through adopting above-mentioned technical scheme, the strengthening rib between backup pad and the connecting plate can improve the intensity of being connected between backup pad and the connecting plate to make the junction of backup pad and connecting plate be difficult for taking place deformation or fracture.

Specifically, the butt unit includes two butt boards, be close to on the mount pad butt unit's one end department is equipped with the spout, the length direction perpendicular to of spout the length direction of mount pad, just be equipped with bi-directional screw rod along its length direction in the spout, bi-directional screw rod includes left-handed screw thread section and right-handed screw thread section, left-handed screw section with be connected with one respectively on the right-handed screw thread section the butt board, it is two to drive during bi-directional screw rotation the butt board is followed the spout is close to each other or keeps away from, two be formed with between the butt board and be suitable for the breach of stepping down that the screw rod passed through.

Through adopting above-mentioned technical scheme, rotatory two-way screw rod can adjust the distance between two butt boards to can adjust the size of the breach of stepping down, thereby make the butt board can the butt on the casing of the extruder of different models, in order to pull out the screw rod of the extruder of different models.

Specifically, the electric hoist is arranged at one side of the mounting seat away from the abutting surface, and a lifting hook ring matched with the lifting hook of the electric hoist is arranged at one side of the moving plate away from the abutting unit.

Through adopting above-mentioned technical scheme, electric block can apply the pulling force of keeping away from the extruder to the movable plate to can together extract the screw rod with the pneumatic cylinder cooperation, so that extract the screw rod.

Specifically, the bearing part is a plurality of rollers, the rollers are uniformly arranged along the length direction of the mounting seat, and the axis of each roller is perpendicular to the length direction of the mounting seat.

Through adopting above-mentioned technical scheme, when the movable plate pulls out the casing of extruder with the screw rod gradually, the partial screw rod that is pulled out can receive the support of running roller to make the screw rod be difficult for the slope and bump with the casing emergence, lead to the screw rod damage.

Further, each roller is wrapped with a buffer piece.

Through adopting above-mentioned technical scheme, can play the cushioning effect between screw rod and running roller to can protect the helicitic texture on the screw rod.

Specifically, the supporting component is a hydraulic lifting supporting leg, and the bottom of the supporting component is provided with a movable roller.

By adopting the technical scheme, the extension and retraction of the hydraulic lifting support legs can be controlled to adjust the ground clearance of the mounting seat so as to adjust the ground clearance of the connecting through holes, thereby being convenient for connecting the connecting through holes with screws with different ground clearance heights and being convenient for pulling out screws of extruders with different models; the movable roller is arranged to reduce friction between the quick screw pulling device and the ground, so that the quick screw pulling device can be moved conveniently.

In summary, the present application includes the following beneficial technical effects:

the screw rod is connected with the support part and the support part, the support part is arranged at the bottom of the installation seat, the support part is arranged at the top of the installation seat, the support part is provided with a supporting unit, a guide rail is arranged on the installation seat along the length direction, a moving plate is arranged on the guide rail, a connecting through hole suitable for being connected with the screw rod is formed in the moving plate, a hydraulic cylinder is arranged at one side of the installation seat, which is close to the supporting unit, of the support part, a piston rod of the hydraulic cylinder is suitable for being in contact with the moving plate and exerting thrust away from the extruder on the moving plate, and the supporting part is suitable for supporting part of the extracted screw rod, so that the screw rod is not easy to incline and is rubbed with the machine shell, and the screw rod is damaged; the butt unit can be when the pneumatic cylinder promotes the carriage plate butt on the casing of extruder to make the casing to the reaction force of screw rod to quick pull out screw rod device can be offset to the power of butt unit, thereby make quick pull out screw rod device can not slide to the direction that is close to the extruder, in order to pull out the screw rod.

Drawings

Fig. 1 is a perspective view of a quick screw extraction device of the present application.

Fig. 2 is a perspective view of a moving block in a quick screw extraction device of the present application.

Fig. 3 is a right side view of a quick screw extraction device of the present application.

Fig. 4 is a schematic cross-sectional view taken along the direction A-A in fig. 3.

Reference numerals: 1. a mounting base; 11. a guide rail; 12. a moving plate; 121. a connecting through hole; 122. a hanging shackle; 123. a limiting block; 124. a relief groove; 125. an abutment surface; 13. a connecting plate; 14. a support plate; 15. a chute; 16. a bidirectional screw; 161. a left-handed thread section; 162. a right-handed thread section; 17. an electric hoist; 2. a support member; 21. moving the roller; 3. a receiving member; 4. an abutting unit; 41. an abutting plate; 5. a hydraulic cylinder; 6. a screw; 7. a housing; 8. reinforcing ribs.

Detailed Description

Fig. 1 is a perspective view of a quick screw extraction device of the present application, and fig. 2 is a perspective view of a moving block in the quick screw extraction device of the present application. Referring to fig. 1 and 2, a quick screw extraction apparatus, comprising: the device comprises a mounting seat 1, a supporting part 2 arranged at the bottom of the mounting seat 1 and a bearing part 3 arranged at the top of the mounting seat 1, wherein a shell 7 of the extruder is of a sleeve structure, a screw rod 6 of the extruder is arranged in the shell 7, one end of the shell 7 is provided with an opening which is convenient for pulling out the screw rod 6, one end of the mounting seat 1 is provided with an abutting unit 4 which is suitable for abutting against the opening of the shell 7, and the bearing part 3 is suitable for bearing a part of the screw rod 6, which is pulled out of the shell 7 of the extruder, so that the screw rod 6 is not easy to incline and is rubbed with the shell 7, and the screw rod 6 is damaged; the mounting seat 1 is provided with a guide rail 11 along the length direction, the guide rail 11 is provided with a moving plate 12 suitable for moving along the guide rail 11, the moving plate 12 is provided with a connecting through hole 121, the connecting through hole 121 is suitable for being connected with the screw rod 6, one side of the mounting seat 1, which is close to the abutting unit 4, is provided with a hydraulic cylinder 5, the hydraulic cylinder 5 is connected with a hydraulic pump (not shown in the figure), the hydraulic pump is controlled to be started so that a piston rod of the hydraulic cylinder 5 moves and abuts against the moving plate 12, so that thrust away from the extruder is applied to the moving plate 12, and the moving plate 12 drives the screw rod 6 to gradually separate from the casing 7 of the extruder along the length direction of the guide rail 11. The hydraulic pump belongs to the prior art and is not described in detail here.

It will be appreciated that, in the process of extracting the screw rod 6, the abutment unit 4 can abut against the opening of the casing 7 when the hydraulic cylinder 5 pushes the moving plate 12, so that the force of the casing 7 to the abutment unit 4 can counteract the reaction force of the screw rod 6 to the quick screw rod extracting device, and thus the quick screw rod extracting device is not easy to slide in a direction close to the extruder, so as to extract the screw rod 6.

Fig. 3 is a right side view of a rapid screw pulling device according to the present application, referring to fig. 3, the receiving member 3 is a plurality of rollers, the rollers are uniformly arranged along the length direction of the mounting seat 1, the axes of the rollers are perpendicular to the length direction of the mounting seat 1, two ends of the rotating shaft of each roller are respectively connected with roller bearing seats, and the bottoms of the roller bearing seats are connected with the guide rail 11, so that when the moving plate 12 gradually pulls out the screw 6 from the casing 7 of the extruder, the pulled part of the screw 6 is supported by the rollers, so that the screw 6 is not easy to incline and is rubbed against the casing 7, resulting in damage of the screw 6; the provision of rollers also reduces the friction between the receiving member 3 and the screw 6 to facilitate extraction of the screw 6. Specifically, each roller may be wrapped with a buffer member (e.g., a rubber pad) to provide a buffer between the screw 6 and the roller, so as to protect the thread structure on the screw 6.

Referring to fig. 2 and 3, the connection through hole 121 is formed in the upper portion of the moving plate 12, a relief groove 124 through which the guide rail 11 and the roller pass is formed in the middle portion of the moving plate 12, an abutment surface 125 capable of abutting against the piston rod of the hydraulic cylinder 5 is formed on the lower portion of the moving plate 12, the guide rail 11 is provided with a C-shaped groove with a notch facing away from the direction of the mounting seat 1, and a stopper 123 matching with the C-shaped groove is provided in the relief groove 124, so that the moving plate 12 can slide along the guide rail 11.

Referring to fig. 1 and 3, the mounting seat 1 further includes a connecting plate 13 and a supporting plate 14, the connecting plate 13 is disposed at one end of the mounting seat 1 where the abutting unit 4 is disposed, one end of the connecting plate 13 is fixedly connected with the bottom surface of the guide rail 11, the other end of the connecting plate 13 extends in a direction away from the mounting seat 1 and is connected with one end of the supporting plate 14, the other end of the supporting plate 14 extends to the ground, one end of a cylinder body of the hydraulic cylinder 5 away from a piston rod is connected with the supporting plate 14, so that the cylinder body of the hydraulic cylinder 5 can be fixed, and when the piston rod of the hydraulic cylinder 5 pushes the moving block to pull out the screw 6 of the extruder, the cylinder body of the hydraulic cylinder 5 does not move so as to pull out the screw 6.

Specifically, referring to fig. 1 and 3, a reinforcing rib 8 is connected between the connecting plate 13 and the mounting seat 1, so that the strength of connection between the connecting plate 13 and the mounting seat 1 can be improved, and the connecting plate 13 is not easy to deform to bend to the ground; the reinforcing ribs 8 are connected between the supporting plate 14 and the connecting plate 13 to improve the strength of the connection between the supporting plate 14 and the connecting plate 13, so that the supporting plate 14 is not easy to deform or break.

Fig. 4 is a schematic cross-sectional view taken along the direction A-A in fig. 3. Referring to fig. 1 and 4, in one embodiment, the abutting unit 4 includes two abutting plates 41, a pair of mutually parallel clamping plates are disposed at one end of the mounting seat 1 near the abutting unit 4, a chute 15 is formed between the two clamping plates, the length direction of the chute 15 is perpendicular to the length direction of the mounting seat 1, a bidirectional screw 16 is disposed in the chute 15 along the length direction thereof, screw bearing seats are disposed at two ends of the chute 15, two ends of the bidirectional screw 16 are respectively connected with the corresponding screw bearing seats, the bidirectional screw 16 includes a left-handed thread section 161 and a right-handed thread section 162, one abutting plate 41 is respectively connected to the left-handed thread section 161 and the right-handed thread section 162, the two abutting plates 41 are driven to mutually approach or separate along the chute 15 when the bidirectional screw 16 rotates, a yielding gap suitable for the screw 6 to pass is formed between the two abutting plates 41, and the bidirectional screw 16 is rotated to adjust the yielding distance between the two moving blocks so as to enable the moving plates 12 to abut against the 7 of different extruder shells to be convenient for the models of the different extruder models of the screw 6. Specifically, a hand wheel may be provided at one end of the bi-directional screw 16 to facilitate rotation of the bi-directional screw 16.

Referring to fig. 2 and 3, in one embodiment, an electric hoist 17 is disposed on a side of the mounting base 1 away from the abutment surface, and a hook ring 122 matching with a hook of the electric hoist 17 is disposed on a side of the moving plate 12 away from the abutment unit 4, so that the electric hoist 17 can apply a pulling force to the moving plate 12 away from the extruder, so that the screw 6 can be pulled out together with the hydraulic cylinder 5. The electric hoist 17 belongs to the prior art and is not described in detail herein.

It will be appreciated that as the contact area between the screw 6 and the housing 7 is progressively reduced as the screw 6 is pulled out of the housing 7, the resistance required to move the screw 6 is progressively reduced. Therefore, the hydraulic cylinder 5 only needs to cooperate with the electric hoist 17 to eject the screw 6 from the casing 7 for a distance (for example, a fifth of the length of the screw 6), so that the screw 6 can be continuously pulled out of the casing 7 by the electric hoist 17.

Referring to fig. 1 and 3, the supporting member 2 is a hydraulic lifting leg, the hydraulic lifting leg comprises a cylinder body and a piston rod, the extension and retraction of the piston rod of the hydraulic lifting leg is controlled to change the ground clearance height of the mounting seat 1 so as to adjust the ground clearance height of the connecting through hole 121, thereby being convenient for the connecting through hole 121 to be connected with the screw rods 6 with different ground clearance heights so as to facilitate the extraction of the screw rods 6 of extruders with different models; the bottom of the supporting member 2 is provided with a moving roller 21 to reduce friction between the quick screw pulling device and the ground, thereby facilitating movement of the quick screw pulling device.

The working principle of the quick screw rod 6 pulling device in use is as follows:

the device comprises a mounting seat 1, a supporting part 2 arranged at the bottom of the mounting seat 1, a bearing part 3 arranged at the top of the mounting seat 1 and an abutting unit 4 arranged at one end of the mounting seat 1, wherein a guide rail 11 is arranged on the mounting seat 1 along the length direction, a movable plate 12 is arranged on the guide rail 11, a connecting through hole 121 suitable for being connected with a screw rod 6 is formed in the movable plate 12, a hydraulic cylinder 5 is arranged at one side of the mounting seat 1 close to the abutting unit 4, a piston rod of the hydraulic cylinder 5 is suitable for abutting against the movable plate 12 and exerting thrust to the movable plate 12 far away from an extruder, the bearing part 3 is suitable for bearing part of the screw rod 6 which is pulled out, so that the screw rod 6 is not easy to incline and is rubbed with a shell 7, and the screw rod 6 is damaged; the abutment unit 4 can abut against the casing 7 of the extruder when the hydraulic cylinder 5 pushes the moving plate 12, so that the force of the casing 7 against the abutment unit 4 can counteract the reaction force of the screw 6 against the quick screw-pulling device, thereby preventing the quick screw-pulling device from sliding in a direction approaching the extruder, so as to facilitate the screw 6 to be pulled out.

It should be noted that the above embodiments are all preferred embodiments of the present application, and the scope of protection of the present application is not limited thereby: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (8)

1. A quick screw extraction device, comprising: the mounting base (1), locate supporting part (2) of mounting base (1) bottom and locate adapting unit (3) at mounting base (1) top, the one end department of mounting base (1) is equipped with be suitable for with casing (7) butt of extruder, adapting unit (3) are suitable for accepting screw rod (6) of extruder, be equipped with guide rail (11) along length direction on mounting base (1), be equipped with on guide rail (11) and be suitable for along movable plate (12) of guide rail (11), connecting through hole (121) have been seted up on movable plate (12), connecting through hole (121) are suitable for with screw rod (6) are connected, be close to on mounting base (1) one side department of adapting unit (4) is equipped with pneumatic cylinder (5), pneumatic cylinder (5) be suitable for with movable plate (12) butt and to movable plate (12) are exerted the thrust of keeping away from the extruder.

2. A quick screw extraction apparatus according to claim 1, wherein: the mounting seat (1) further comprises a connecting plate (13) and a supporting plate (14), one end of the connecting plate (13) is connected with one end of the abutting unit (4) arranged on the mounting seat (1), the other end of the connecting plate (13) extends away from the direction of the mounting seat (1) and is connected with one end of the supporting plate (14), the other end of the supporting plate (14) extends to the ground, and the hydraulic cylinder (5) is connected with the supporting plate (14).

3. A quick screw extraction apparatus according to claim 2, wherein: reinforcing ribs (8) are connected between the supporting plates (14) and the connecting plates (13).

4. A quick screw extraction apparatus according to claim 1, wherein: the butt unit (4) comprises two butt plates (41), one end of the mounting base (1) close to the butt unit (4) is provided with a chute (15), the length direction of the chute (15) is parallel to the ground and perpendicular to the length direction of the mounting base (1), a bidirectional screw (16) is arranged in the chute (15) along the length direction of the chute, the bidirectional screw (16) comprises a left-handed thread section (161) and a right-handed thread section (162), the left-handed thread section (161) and the right-handed thread section (162) are respectively connected with one butt plate (41), and when the bidirectional screw (16) rotates, the two butt plates (41) are driven to be close to or far away from each other along the chute (15), and a yielding notch suitable for the screw (6) to pass through is formed between the butt plates (41).

5. A quick screw extraction apparatus according to claim 1, wherein: an electric hoist (17) is arranged on one side, far away from the abutting unit, of the mounting seat (1), and a lifting hook ring (122) matched with a lifting hook of the electric hoist (17) is arranged on one side, far away from the abutting unit (4), of the moving plate (12).

6. A quick screw extraction apparatus according to claim 1, wherein: the bearing part (3) is a plurality of rollers, the rollers are uniformly arranged along the length direction of the mounting seat (1), and the axis of each roller is perpendicular to the length direction of the mounting seat (1).

7. The quick screw extraction apparatus of claim 6, wherein: each roller is wrapped with a buffer piece.

8. A quick screw extraction apparatus according to claim 1, wherein: the supporting component (2) is a hydraulic lifting supporting leg, and a movable roller (21) is arranged at the bottom of the supporting component (2).