Shaft penetrating and pulling mechanism

Abstract

The shaft penetrating and pulling mechanism comprises a machine frame, a supporting frame, a lifting driving piece, a clamping piece and a horizontal driving piece, the supporting frame and the lifting driving piece are both arranged on the machine frame, the lifting driving piece is used for driving the supporting frame to move up and down on the machine frame, and the clamping piece is used for clamping the clamping piece. The clamping piece and the horizontal driving piece are both installed on the supporting frame, the clamping piece is used for clamping a horizontally-arranged shaft piece, and the horizontal driving piece is used for driving the clamping piece to drive the shaft piece to horizontally move in the left-right direction so that the shaft piece can be pulled out of or inserted into a cylindrical piece. In this way, the lifting driving piece can drive the horizontal height of the supporting frame so that the clamping piece on the supporting frame can be aligned with the shaft piece, the horizontal driving piece can drive the clamping piece to move to clamp the end of the shaft piece, and then the shaft piece is driven to move left and right so that shaft pulling or shaft inserting treatment can be conducted on the cylindrical piece.

Description

Technical Field

[0001] The utility model belongs to the field of coil material processing equipment, in particular to a threading and pulling shaft mechanism. Background Art

[0002] In the production process of cloth rolls, an inflatable shaft is usually used as a core shaft to achieve interference fit with the cloth roll. The interference fit can effectively avoid slipping and idling when the cloth roll is rolled up. The inflatable shaft used is long and heavy. Manual threading and pulling of the shaft is labor-intensive, inefficient and has safety hazards. Document No. CN114473368B "Fully Automatic Shaft Pulling and Pipe Threading Machine" discloses a device that can thread and pull inflatable shaft parts, but its structure is relatively complicated. Utility Model Content

[0003] In order to solve the above technical problems, the purpose of the utility model is to provide a shaft inserting and withdrawing mechanism which has a simple structure and is convenient for inserting or withdrawing the shaft.

[0004] In order to achieve the above-mentioned purpose, the technical solution of the utility model is as follows: a shaft insertion and extraction mechanism, including a frame, a support frame, a lifting drive member, a clamping member and a horizontal drive member, the support frame and the lifting drive member are both arranged on the frame, the lifting drive member is used to drive the support frame to move up and down on the frame, the clamping member and the horizontal drive member are both installed on the support frame, the clamping member is used to clamp the horizontally arranged shaft member, and the horizontal drive member is used to drive the clamping member to drive the shaft member to move horizontally in the left and right directions to pull out or insert it from the cylindrical member.

[0005] The beneficial effect of the above technical solution is that the lifting drive can drive the horizontal height of the support frame so that the clamping member on the support frame is aligned with the shaft member, and the horizontal drive can drive the clamping member to move to clamp the end of the shaft member, and then drive the shaft member to move left and right to pull or insert the shaft from the cylindrical member.

[0006] In the above technical solution, the frame has two side brackets spaced apart in the front-to-back direction, and the support frame is horizontally arranged between the two side brackets in the front-to-back direction and is slidably connected to the two side brackets.

[0007] The beneficial effect of the above technical solution is that its structure is simple, so that the two side brackets can be used to slidingly support the two sides of the support frame, so that the support frame will not rock back and forth when sliding up and down.

[0008] The side bracket in the above technical solution includes two vertical support columns distributed in a rectangular shape, and the support frame is slidably connected to the four vertical support columns.

[0009] The beneficial effects of the above technical solution are: its structure is simple, and it is convenient to observe the position of the clamping member and the shaft member on the support frame from the front or rear side.

[0010] The lifting drive component in the above technical solution includes a driving motor, a transmission shaft, eight sprockets and four chains. Two sprockets spaced apart from each other are rotatably arranged on each of the vertical support columns and are jointly sleeved with one of the chains. The two sprockets located at the same upper end or the same lower end on the two vertical support columns on the same side are coaxially connected and fixed through the transmission shaft. The driving motor is installed on any one of the vertical support columns and is transmission-connected to the transmission shaft. The support frame is connected to the four chains.

[0011] The beneficial effect of the above technical solution is that the support frame is supported by four chains respectively arranged on four vertical support columns, and the height position of the support frame is adjusted by driving the chains to rotate by a driving motor.

[0012] The support frame in the above technical solution includes a top plate, two side plates and multiple supporting wheels, the top plate is horizontally arranged in the left-right direction, the two side plates are vertically arranged on the front and rear sides of the lower end of the top plate, the multiple supporting wheels are distributed between the two side plates at intervals in the left-right direction, and the two ends of each supporting wheel are rotatably connected to the two side plates respectively, the clamping member is arranged between the top plate and the multiple supporting wheels, the horizontal driving member is installed on the top plate, the horizontal driving member is used to drive the clamping member to move left and right, and the horizontal heights of the multiple supporting wheels are consistent to jointly support the shaft member.

[0013] The beneficial effects of the above technical solution are: its structure is simple, and the shaft can be lifted by the supporting wheel to prevent the shaft from falling during the plugging and unplugging process, and the clamping member only provides traction for the left and right movement of the shaft when it moves left and right.

[0014] In the above technical solution, the left ends of the two side plates both protrude outside the top plate, and the supporting wheel at the leftmost end is located outside the top plate.

[0015] The beneficial effect of the above technical solution is that: in this way, the leftmost supporting wheel can pre-limit the shaft member forward and backward so that the end of the shaft member can be clamped by the clamping member.

[0016] A groove-shaped abutment block is provided at the left end of any one of the side plates in the above technical solutions, and the abutment block is used to abut against the cylindrical member.

[0017] The beneficial effect of the above technical solution is that its structure is simple. When pulling out the shaft, the ends of the cylindrical member are abutted by the abutment block, and the ends of the shaft member are clamped by the clamping member. The clamping member is then driven to move to the right by the horizontal driving member to realize the shaft pulling action.

[0018] The clamping member in the above technical solution includes a carrier plate, two clamping plates and two telescopic members. The carrier plate is horizontally arranged and transmission connected to the horizontal driving member. The two clamping plates are vertically arranged and spaced apart in the front-to-back direction. The upper end of each clamping plate is slidingly connected to the lower end of the carrier plate in the front-to-back direction. The two telescopic members are installed on the carrier plate, and their driving ends are transmission connected to the corresponding clamping plates. The two telescopic members extend or contract synchronously to drive the two clamping plates to slide forward and backward to approach or move away from each other to clamp or release the shaft.

[0019] The beneficial effects of the above technical solution are: its structure is simple, and the two clamps move synchronously to approach or move away from each other under the drive of the two telescopic parts. When the two clamps move to approach each other, the two clamps clamp the shaft, and when the two clamps move to move away from each other, the two clamps loosen the shaft.

[0020] The telescopic member described in the above technical solution is a telescopic air cylinder, a telescopic electric cylinder or a hydraulic cylinder.

[0021] The beneficial effects of the above technical solution are: it has a simple structure and a small size, and at the same time enables the clamping member to have a large clamping force.

[0022] In the above technical solution, the lower ends of the two clamping plates are each provided with a clamping groove extending left and right, and the clamping grooves of the two clamping plates are used to clamp the shaft together.

[0023] The beneficial effects of the above technical solution are: its structure is simple, and the clamping grooves on the two clamping plates can limit the shaft member after the shaft member is clamped. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a vertical view of the threading and pulling shaft mechanism described in the embodiment of the utility model;

[0025] Figure 2 It is a top view of the threading and pulling shaft mechanism described in the embodiment of the utility model;

[0026] Figure 3 It is an elevation view of the frame for implementing the utility model;

[0027] Figure 4 This is a vertical view of the support frame implemented in the utility model;

[0028] Figure 5 This is a schematic diagram of the assembly of the clamping member and the horizontal driving member according to the embodiment of the utility model;

[0029] Figure 6 This is a structural schematic diagram of the end surface of the threading and pulling shaft mechanism according to an embodiment of the utility model;

[0030] Figure 7 This is a schematic diagram of the transmission connection between the two transmission shafts and the transition shaft described in the embodiment of the utility model;

[0031] Figure 8 It is a schematic diagram of the arrangement of the threading and pulling shaft mechanism and the cloth roll according to an embodiment of the utility model.

[0032] In the figure: 1. frame; 11. side bracket; 111. vertical support column; 1111. mounting groove; 112. longitudinal beam; 12. bottom plate; 13. roller; 2. support frame; 21. top plate; 22. side plate; 23. supporting wheel; 24. abutment block; 3. lifting drive member; 31. driving motor; 32. transmission shaft; 33. sprocket; 34. chain; 35. transition shaft; 4. clamping member; 41. carrier plate; 42. clamping plate; 43. telescopic member; 421. clamping groove; 5. horizontal driving member; 6. shaft member; 7. cylindrical member; 8. camera; 9. cloth rack. DETAILED DESCRIPTION

[0033] The following describes the principles and features of the present invention. The examples given are only used to explain the present invention and are not used to limit the scope of the present invention. All technologies implemented based on the above content of the present invention are included in the scope of protection of the present invention.

[0034] like Figure 1 , Figure 2 and Figure 8 As shown, this embodiment provides a shaft pulling mechanism, including a frame 1, a support frame 2, a lifting drive 3, a clamp 4 and a horizontal drive 5. The support frame 2 and the lifting drive 3 are both arranged on the frame 1. The lifting drive 3 is used to drive the support frame 2 to move up and down on the frame 1. The clamp 4 and the horizontal drive 5 are both installed on the support frame 2. The clamp 4 is used to clamp the horizontally arranged shaft 6. The horizontal drive 5 is used to drive the clamp 4 to drive the shaft 6 to move horizontally in the left and right directions to pull out or insert from the cylindrical member 7. In this way, the lifting drive can drive the horizontal height of the support frame so that the clamp on the support frame is aligned with the shaft, and the horizontal drive can drive the clamp to move to clamp with the end of the shaft, and then drive the shaft to move left and right to pull out or insert the shaft from the cylindrical member. The horizontal drive is a linear module, which can be a screw drive or a gear rack linear drive. Of course, a telescopic cylinder (such as a hydraulic cylinder, a telescopic electric cylinder or a telescopic air cylinder) can also be directly used.

[0035] like Figure 3As shown, in the above technical scheme, the frame 1 has two side brackets 11 spaced apart along the front-to-back direction, the support frame 2 is horizontally arranged between the two side brackets 11 along the front-to-back direction, and is slidably connected to the two side brackets 11, and its structure is simple, so that the two side brackets can slide and support the two sides of the support frame, so that the support frame will not shake back and forth when sliding up and down, the side bracket 11 includes two vertical support columns 111 distributed in a rectangular shape, and the support frame 2 is slidably connected to four vertical support columns 111, and its structure is simple, and it is convenient to observe the position of the clamping member and the shaft member on the support frame from the front or rear side, the frame 1 also includes a horizontally arranged bottom plate 12, the vertical support columns are arranged on the bottom plate, the bottom plate is a square plate, and the vertical support columns are arranged at the four corners of the bottom plate, the side bracket 11 also includes a longitudinal beam 112, and the upper ends of the two vertical support columns 111 on the same side are connected by a longitudinal beam 112 horizontally arranged along the left and right direction, so that the structural strength of the two vertical support columns 111 on the same side is high. The lifting drive member 3 described in the above technical solution includes a driving motor 31, a transmission shaft 32, eight sprockets 33 and four chains 34. Two sprockets 33 spaced apart from each other are rotatably arranged on each of the vertical support columns 111 and are jointly sleeved with a chain 34. The two sprockets 33 located at the same upper end or the same lower end on the two vertical support columns 111 on the same side are coaxially connected and fixed through the transmission shaft 32. The driving motor 31 is installed on any one of the vertical support columns 111 and is transmission-connected to the transmission shaft 32. The support frame 2 is connected to the four chains 34. In this way, the support frame is supported by four chains respectively arranged on the four vertical support columns. The height position of the support frame is adjusted by driving the chain to rotate by the driving motor, wherein the driving motor can be a servo reduction motor. Figure 6 As shown, a mounting groove is vertically recessed on one side of the vertical support column close to the clamping member, and the chain and the corresponding two sprockets are installed in the corresponding mounting grooves.

[0036] Preferably, a plurality of rollers are also mounted on the lower end of the base plate, and the rollers may be universal wheels, wherein at least one of the universal wheels is a brakeable universal wheel.

[0037] Preferably, Figure 7 As shown, two transmission shafts are provided, and the two sprockets located at the bottom on the same side are coaxially connected by a transmission shaft respectively. At this time, the two transmission shafts are parallel to each other and can be connected by a transition shaft 35 horizontally arranged along the front-to-back direction. At this time, the driving motor can drive the two transmission shafts to rotate synchronously in opposite directions, so that the four chains drive the support frame to move up and down synchronously, wherein the transition shaft 35 is connected to each of the transmission shafts by a bevel gear transmission.

[0038] like Figure 4 As shown, the support frame 2 in the above technical scheme includes a top plate 21, two side plates 22 and a plurality of supporting wheels 23, the top plate 21 is horizontally arranged in the left-right direction, the two side plates 22 are vertically arranged on the front and rear sides of the lower end of the top plate 21, the plurality of supporting wheels 23 are spaced apart between the two side plates 22 in the left-right direction, and the two ends of each of the supporting wheels 23 are rotatably connected to the two side plates 22 respectively, the clamping member 4 is arranged between the top plate 21 and the plurality of supporting wheels 23, the horizontal driving member 5 is installed on the top plate 21, the horizontal driving member 5 is used to drive the clamping member 4 to move left and right, the horizontal heights of the plurality of supporting wheels 23 are consistent to jointly support the shaft member 6, the structure is simple, and the supporting wheels can be used to support the shaft member to prevent the shaft member from falling during the plugging and unplugging process, and the clamping member only provides traction for the left-right movement of the shaft member when it moves left and right.

[0039] The supporting wheel 23 described in the above technical solution is a groove wheel, which has a simple structure and can limit the front and rear positions of the shaft member by the supporting wheel to prevent the shaft member from rolling on the supporting wheel.

[0040] like Figure 1 , Figure 2 and Figure 4 As shown, in the above technical solution, the left ends of the two side plates 22 protrude from the top plate 21, and the leftmost supporting wheel 23 is located outside the top plate 21, so that the leftmost supporting wheel can pre-limit the front and rear positions of the shaft member so that the end of the shaft member can be clamped by the clamping member.

[0041] like Figure 1 and Figure 2 As shown, a groove-shaped abutment block 24 is provided at the left end of any one of the side plates 22 in the above technical scheme, and the abutment block 24 is used to abut against the cylindrical member 7. The structure is simple, so that when pulling out the shaft, the end of the cylindrical member can be abutted by the abutment block, and the end of the shaft member can be clamped by the clamping member, and then the clamping member is driven to move to the right under the drive of the horizontal driving member to realize the shaft pulling action.

[0042] The abutment block is a U-shaped piece, and the inner groove passes through left and right, and its groove faces the middle between the two side plates. The inner groove of the abutment block can allow the shaft to pass through, and at this time the shaft is located in the middle of the multiple supporting wheels.

[0043] like Figure 5As shown, the clamping member 4 in the above technical scheme includes a carrier plate 41, two clamping plates 42 and two telescopic members 43. The carrier plate 41 is horizontally arranged and transmission-connected to the horizontal driving member 5. The two clamping plates 42 are vertically arranged and spaced apart in the front-to-back direction. The upper end of each clamping plate 42 is slidingly connected to the lower end of the carrier plate 41 in the front-to-back direction. The two telescopic members 43 are installed on the carrier plate 41, and their driving ends are transmission-connected to the corresponding clamping plates 42. The two telescopic members 43 extend or contract synchronously to drive the two clamping plates 42 to slide forward and backward to approach or move away from each other to clamp or release the shaft member 6. The structure is simple, and the two clamping plates move synchronously to approach or move away from each other under the drive of the two telescopic members. When the two clamping plates move closer to each other, the two clamping plates clamp the shaft member, and when the two clamping plates move away from each other, the two clamping plates release the shaft member.

[0044] The telescopic member 43 in the above technical solution is a telescopic air cylinder, a telescopic electric cylinder or a hydraulic cylinder, which has a simple structure and a small size, and at the same time enables the clamping force of the clamping member to be large.

[0045] In the above technical solution, the lower ends of the two clamping plates 42 are each provided with a clamping groove 421 running through the left and right sides on one side thereof where the two clamping plates are close to each other. The clamping grooves 421 of the two clamping plates 42 are used to clamp the shaft 6 together. The structure is simple, and the clamping grooves on the two clamping plates can limit the shaft after the shaft is clamped. A pressure sensor (membrane pressure sensor) can be embedded on the inner wall of any one of the clamping grooves to monitor the force with which the two clamping plates clamp the shaft.

[0046] The top plate and the two side plates are all hollow plates, which makes them lightweight and improves the visibility of the clamping parts.

[0047] The cylindrical member can be a cloth roll, a paper roll, a waterproof roll, etc. Taking the cloth roll as an example, the cylindrical member is placed on a cloth rack, the cloth rack is in a U-shaped groove, and the inner groove of the cloth rack passes through the left and right sides, the threading and pulling shaft mechanism is placed on the right side of the cloth rack, the winding drum is placed on the cloth rack along the left and right sides, and it is supported on the front and back sides of the cloth rack, and the shaft member is coaxially passed through the middle part of the cylindrical member.

[0048] When the shaft of the cylindrical member is pulled out, the lifting drive member drives the support frame to move up and down, and the camera (CCD camera) moves up and down with the support frame and identifies whether the clamping member is horizontally aligned with the shaft member. If it is horizontally aligned, the lifting drive member stops running. At this time, the horizontal drive member drives the clamping member to move to the left until the right end of the shaft member extends between the two clamping grooves, and then the two telescopic members drive the two clamping plates to move close to clamp the right end of the shaft member, and then the horizontal drive member drives the clamping member to move to the right until the shaft member is pulled out from the middle of the cylindrical member (the shaft member is supported on the supporting wheel after being pulled out).

[0049] When inserting the shaft into the cylindrical member, the shaft is supported on the supporting wheel, and the lifting drive member drives the support frame to move up and down until the shaft is aligned with the through hole in the middle of the cylindrical member. At the same time, the clamping member clamps the right end of the shaft, and then the horizontal drive member drives the clamping member to move the shaft to the left so that the shaft is inserted into the cylindrical member.

[0050] Among them, the method for the camera to identify the center of the end of the cylindrical part can be similar to the method introduced in CN108871228A "Geometric parameter estimation method of binocular vision circular feature based on geometric constraints".

[0051] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A threading and pulling shaft mechanism, characterized in that: The invention comprises a frame (1), a support frame (2), a lifting drive member (3), a clamping member (4) and a horizontal drive member (5); the support frame (2) and the lifting drive member (3) are both arranged on the frame (1); the lifting drive member (3) is used to drive the support frame (2) to move up and down on the frame (1); the clamping member (4) and the horizontal drive member (5) are both installed on the support frame (2); the clamping member (4) is used to clamp a horizontally arranged shaft member (6); and the horizontal drive member (5) is used to drive the clamping member (4) to drive the shaft member (6) to move horizontally in the left-right direction so as to be pulled out or inserted from the cylindrical member (7).

2. The threading and pulling shaft mechanism according to claim 1, characterized in that: The frame (1) has two side brackets (11) spaced apart in the front-rear direction, and the support frame (2) is horizontally arranged between the two side brackets (11) in the front-rear direction and is slidably connected to the two side brackets (11).

3. The threading and pulling shaft mechanism according to claim 2, characterized in that: The side bracket (11) comprises two vertical support columns (111) distributed in a rectangular shape, and the support frame (2) is slidably connected to the four vertical support columns (111).

4. The threading and pulling shaft mechanism according to claim 3, characterized in that: The lifting drive member (3) comprises a driving motor (31), a transmission shaft (32), eight sprocket wheels (33) and four chains (34); each of the vertical support columns (111) is rotatably provided with two sprocket wheels (33) spaced apart from each other and sleeved with one chain (34); two sprocket wheels (33) located at the same upper end or at the same lower end on two vertical support columns (111) on the same side are coaxially connected and fixed via the transmission shaft (32); the driving motor (31) is mounted on any one of the vertical support columns (111) and is transmission-connected to the transmission shaft (32); and the support frame (2) is connected to the four chains (34).

5. The threading and pulling shaft mechanism according to claim 1, characterized in that: The support frame (2) comprises a top plate (21), two side plates (22) and a plurality of supporting wheels (23); the top plate (21) is horizontally arranged in the left-right direction; the two side plates (22) are vertically arranged at the front and rear sides of the lower end of the top plate (21); the plurality of supporting wheels (23) are spaced apart and distributed between the two side plates (22) in the left-right direction; and the two ends of each supporting wheel (23) are rotatably connected to the two side plates (22) respectively; the clamping member (4) is arranged between the top plate (21) and the plurality of supporting wheels (23); the horizontal driving member (5) is installed on the top plate (21); the horizontal driving member (5) is used to drive the clamping member (4) to move left and right; and the horizontal heights of the plurality of supporting wheels (23) are consistent so as to jointly support the shaft member (6).

6. The threading and pulling shaft mechanism according to claim 5, characterized in that: The left ends of the two side plates (22) protrude outside the top plate (21), and the leftmost support wheel (23) is located outside the top plate (21).

7. The threading and pulling shaft mechanism according to claim 5, characterized in that: A groove-shaped abutment block (24) is provided at the left end of any one of the side plates (22), and the abutment block (24) is used to abut against the cylindrical member (7).

8. The threading and pulling shaft mechanism according to any one of claims 1 to 7, characterized in that: The clamping member (4) comprises a carrier plate (41), two clamping plates (42) and two telescopic members (43); the carrier plate (41) is horizontally arranged and is transmission-connected to the horizontal driving member (5); the two clamping plates (42) are vertically arranged and spaced apart in the front-to-back direction; the upper end of each clamping plate (42) is slidably connected to the lower end of the carrier plate (41) in the front-to-back direction; the two telescopic members (43) are mounted on the carrier plate (41), and their driving ends are transmission-connected to the corresponding clamping plates (42); the two telescopic members (43) are synchronously extended or contracted to drive the two clamping plates (42) to slide forward and backward to approach or move away from each other so as to clamp or release the shaft member (6).

9. The threading and pulling shaft mechanism according to claim 8, characterized in that: The telescopic member (43) is a telescopic air cylinder, a telescopic electric cylinder or a hydraulic cylinder.

10. The threading and pulling shaft mechanism according to claim 8, characterized in that: A clamping groove (421) penetrating from left to right is concavely provided on one side of the lower ends of the two clamping plates (42) close to each other. The clamping grooves (421) of the two clamping plates (42) are used to clamp the shaft (6) together.

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