Dismounting device for belt feeding wheel and belt pressing wheel of bundling machine

Abstract

The utility model relates to a belt feeding wheel and pressing wheel dismounting device of a bundling machine, which comprises a main grabbing plate, an auxiliary grabbing plate, a main pulling plate assembly and a touch hammer, the side surface of the main grabbing plate is provided with external threads, the middle of the main grabbing plate is provided with a groove with a through hole, and the size of the groove is matched with that of the auxiliary grabbing plate; bolt holes matched with the auxiliary grabbing plates are evenly formed in the bottom face of the groove of the main grabbing plate around the through hole, bolt holes are symmetrically formed in the top face of the main grabbing plate along the groove, the main pulling plate assembly is of a barbell-shaped structure, internal threads matched with the external threads of the main grabbing plate are arranged at the lower end of the main pulling plate assembly, and a groove matched with the barbell-shaped middle structure of the main pulling plate assembly is formed in the side face of the touch hammer. The auxiliary grabbing plate is installed in a main grabbing plate groove through a bolt, the main grabbing plate is arranged in an internal thread groove of the main pulling plate assembly through an external thread, and the touch hammer is arranged on a barbell-shaped middle structure of the main pulling plate assembly through a side face groove. According to the device, a stress point can be found, safe disassembly is achieved, the disassembly time is greatly shortened, and the cost is saved.

Description

Technical Field

[0001] The utility model relates to the technical field of disassembly tools, in particular to a disassembly device for a belt feeding wheel and a belt pressing wheel of a baling machine. Background Art

[0002] When the feeding and pressing pulleys of the baling machine of the cold rolling mill continuous annealing unit are overhauled or cleaned, it is necessary to dismantle the feeding and pressing pulley bearing box assembly and the main shaft. The dismantling process is very difficult, especially the dismantling of the bearing box assembly and the main shaft. Due to the precise structure, there is no stress point during dismantling, the dismantling work is difficult, the operation time is long, and safety cannot be guaranteed, which wastes a lot of time and easily damages the equipment. However, the online production rhythm is required to be faster and faster. Once the shutdown is prolonged, the loss is serious, which causes great trouble to the production on site. It is replaced and cleaned once a month, and each replacement takes about 4 hours. The annual maintenance shutdown is more than 48 hours, which greatly affects the production efficiency on site.

[0003] The Chinese patent with publication number CN 204321973 U discloses a special tool for disassembling and assembling the wheel axle of a baler, which consists of a sleeve, a fixing pin and a fixing rod. A socket is provided at one end of the sleeve, the outer diameter of the sleeve is 45.5 mm, and the inner diameter is 35.5 mm. The fixing pin is arranged in the sleeve, and a semicircular working end is provided at one end of the fixing pin, and the length of the working end is 8 mm. A socket is provided at the other end of the fixing pin; the socket of the sleeve is connected with the socket of the fixing pin, and the fixing rod is inserted into the socket. The utility model can quickly dismantle and install the wheel axle of the baler, ensure the installation quality of the wheel axle, reduce the frequency of failure, shorten the handling time of the failure, and can also protect the operating personnel; however, the bearing seat and main shaft of the baler feeding wheel and pressure wheel are inside the baler structure, and there is no disassembly force point, and they cannot be disassembled through the sleeve of the patent. Summary of the invention

[0004] The utility model provides a disassembly device for the feeding wheel and the pressure wheel of the baler, which utilizes the combination of the main grab plate, the auxiliary grab plate and the main pulling plate assembly, and is fixedly connected with the feeding wheel and the pressure wheel bearing seat of the baler and the main shaft by bolts, and the force point is found, and the lifting and collision of the impact hammer and the main pulling plate assembly are utilized to realize the safe disassembly of the feeding wheel and the pressure wheel bearing seat of the baler and the main shaft, which greatly reduces the disassembly time, reduces the processing time when a fault occurs, prolongs the service life of the equipment, avoids the occurrence of objections to the quality of the strapping, improves the quality of the strapping, greatly improves the disassembly efficiency, and saves costs.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A device for dismantling a feeding pulley and a pressure pulley of a baler, comprising a main grip plate, an auxiliary grip plate, a main pull plate assembly and a bumper, the main grip plates have external threads on their sides, a groove with a through hole is provided in the middle, the size of the groove matches the size of the auxiliary grip plate, bolt holes matching the auxiliary grip plate are evenly provided around the through hole on the bottom surface of the groove of the main grip plate, bolt holes matching the auxiliary grip plate are symmetrically provided along the groove on the top surface of the main grip plate, the main pull plate assembly is a barbell-shaped structure, an internal thread matching the external thread of the main grip plate is provided at the lower end, the side of the bumper has a groove matching the barbell-shaped middle structure of the main pull plate assembly, the auxiliary grip plate is installed in the groove of the main grip plate by bolts, the main grip plate is arranged in the internal thread groove of the main pull plate assembly by external threads, and the bumper is arranged on the barbell-shaped middle structure of the main pull plate assembly by side grooves.

[0007] Furthermore, the main grip plate is cylindrical, the groove is circular, an external thread is provided on the side of the groove, 4 to 6 bolt holes are evenly arranged along the circumference of the through hole on the bottom of the groove, and the same number of bolt holes are arranged on the top surface of the main grip plate along the axial position corresponding to the bolt holes in the groove.

[0008] Furthermore, the auxiliary gripping plate is cylindrical, and a side surface is provided with an external thread matching the internal thread of the groove of the main gripping plate.

[0009] Furthermore, the main pull plate assembly includes a main pull plate, a bumper plate and a slide rod, the main pull plate and the slide rod are respectively installed at both ends of the slide rod, the internal thread is arranged in the main pull plate, and the height of the internal thread groove of the main pull plate is greater than the total thickness of the main grab plate after the bolts are installed.

[0010] Furthermore, the striker is cylindrical, and the diameter of the end face of the striker is smaller than the diameter of the end faces of both ends of the main pull plate assembly.

[0011] Furthermore, the size of the main gripping plate matches the bearing seats of the belt feeding wheel and belt pressing wheel of the baler, and the size of the auxiliary gripping plate matches the main shafts of the belt feeding wheel and belt pressing wheel of the baler.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1) Use the combination of the main grab plate, auxiliary grab plate, and main pull plate assembly to fix the baler feed pulley, pressure pulley bearing seat and main shaft with bolts to find the force point;

[0014] 2) The lifting and collision of the hammer and the main pull plate assembly are used to achieve the safe disassembly of the baler's feeding pulley, pressure pulley bearing seat and main shaft, greatly reducing the disassembly time;

[0015] 3) Reduce the processing time when a fault occurs, increase the service life of the equipment, avoid the occurrence of strapping quality disputes, and improve the strapping quality.

[0016] 4) It can save two pairs of feed pulleys and pressure pulleys each year, 10,300 yuan per pair, save one set of snap-fit ​​devices at 132,000 yuan, save 48 hours of maintenance, replacement and cleaning time, save the previous two people's work, save 96 hours of labor costs each year, the labor cost is 30 yuan per person per hour, the annual savings is 2,880 yuan, and the special device investment is 4,500 yuan, with a total annual savings of 150,980 yuan. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the utility model.

[0018] Figure 2 It is a structural schematic diagram of the main grab plate described in the utility model.

[0019] Figure 3 It is a structural schematic diagram of the auxiliary grab plate described in the utility model.

[0020] Figure 4 It is a structural schematic diagram of the main pull plate assembly of the utility model.

[0021] Figure 5 It is a schematic diagram of the structure of the impact hammer of the utility model.

[0022] Figure 6 It is a schematic diagram of the positions of the feeding pulley, the pressing pulley, the bearing seat and the main shaft of the baler described in the utility model.

[0023] In the figure: 1. Main grab plate 2. Auxiliary grab plate 3. Bumper 4. Main pull plate 5. Slide bar 6. Bumper plate 7. Feed pulley 8. Feed pulley bearing seat 9. Feed pulley main shaft 10. Pressure pulley 11. Pressure pulley bearing seat 12. Pressure pulley main shaft DETAILED DESCRIPTION

[0024] The specific implementation of the utility model is further described below in conjunction with the accompanying drawings:

[0025] See Figures 1 to 5 , is a schematic diagram of the structure of the utility model. The utility model is a baler feeding wheel and pressure wheel disassembly device, comprising a main gripping plate 1, an auxiliary gripping plate 2, a main pulling plate assembly and a bumper 3; Figure 2 As shown, the main gripping plate 1 is cylindrical, and the size of the main gripping plate 1 matches the bearing seat 8 and the bearing seat 11 of the belt feeding wheel of the baler. The side has an external thread, and a circular groove with a through hole is provided in the middle. The size of the groove matches the size of the auxiliary gripping plate 2. Four bolt holes matching the auxiliary gripping plate 2 are evenly arranged around the through hole on the bottom surface of the groove of the main gripping plate 1. The same number of bolt holes are arranged on the top surface of the main gripping plate 1 along the axial position corresponding to the bolt holes in the groove, and the side of the main gripping plate 1 is provided with an internal thread; as shown Figure 3As shown, the auxiliary gripping plate 2 is cylindrical, with an external thread on the side that matches the internal thread of the groove of the main gripping plate 1, and the size is consistent with the size of the groove of the main gripping plate 1, and matches the main shaft 9 and the main shaft 12 of the belt feeding wheel of the baler, and is provided with symmetrical bolt through holes; Figure 4 As shown, the main pull plate assembly includes a main pull plate 4, a bumper plate 6 and a slide bar 5. The main pull plate 4 and the slide bar 5 are respectively installed at both ends of the slide bar 5 to form a barbell-shaped structure. The main pull plate 4 is provided with an internal thread matching the external thread of the main grab plate 1. The height of the internal thread groove of the main pull plate 4 is greater than the total thickness of the main grab plate 1 after the bolts are installed; Figure 5 As shown, the hammer 3 is cylindrical, and the side of the hammer 3 has a groove matching the slide bar 5, and the end surface diameter of the hammer 3 is smaller than the diameter of the main pull plate 4 and the bump plate 6; Figure 1 As shown, the auxiliary grab plate 2 is installed in the groove of the main grab plate 1 through bolts, the main grab plate 1 is set in the internal thread groove of the main pull plate assembly through an external thread, and the striker 3 is set on the barbell-shaped middle structure of the main pull plate assembly through a side groove.

[0026] Working principle: see Figure 6 , before working, remove the end cover of the bearing box to expose the feed pulley 7, feed pulley bearing seat 8, feed pulley main shaft 9, pressure pulley 10, pressure pulley bearing seat 11 and pressure pulley main shaft 12 of the baler, fix the main grab plate 1 on the feed pulley bearing seat 8 or the pressure pulley bearing seat 11 with bolts, and fix the main pull plate at the bottom of the main pull plate assembly to the main grab plate 1 through the internal thread, hold the top of the main pull plate assembly with one hand, and hold the hammer 3 with the other hand to slide upward along the slide bar 5 to hit the bumper plate 6, so that the feed pulley bearing seat 8 or the pressure pulley bearing seat 11 moves out;

[0027] Fix the auxiliary grab plate 2 in the groove of the main grab plate 1 through external threads and bolts, and then fix it to the feed pulley main shaft 9 or the pressure pulley main shaft 12 with bolts through two bolt holes, and fix the main pull plate at the bottom of the main pull plate assembly to the main grab plate 1 through internal threads. Hold the top of the main pull plate assembly with one hand, and hold the hammer 3 with the other hand to slide upward along the slide rod 5 to hit the bumper plate 6, so that the feed pulley main shaft 9 or the pressure pulley main shaft 12 moves out, and the feed pulley 7 and the pressure pulley 10 can be taken out.

[0028] The above embodiments are implemented based on the technical solution of the utility model, and detailed implementation methods and specific operation processes are given, but the protection scope of the utility model is not limited to the above embodiments. The methods used in the above embodiments are conventional methods unless otherwise specified.

Claims

1. A device for disassembling a belt feeding wheel and a belt pressing wheel of a baler, characterized in that: It includes a main grab plate, a secondary grab plate, a main pull plate assembly and a hammer. The main grab plate has an external thread and a groove with a through hole in the middle. The size of the groove matches the size of the secondary grab plate. Bolt holes matching the secondary grab plate are evenly arranged around the through hole on the bottom surface of the groove of the main grab plate. Bolt holes matching the secondary grab plate are symmetrically arranged along the groove on the top surface of the main grab plate. The main pull plate assembly is a barbell-shaped structure, and an internal thread matching the external thread of the main grab plate is arranged at the lower end. The side of the hammer has a groove matching the barbell-shaped middle structure of the main pull plate group. The secondary grab plate is installed in the groove of the main grab plate by bolts, the main grab plate is arranged in the internal thread groove of the main pull plate assembly by external threads, and the hammer is arranged on the barbell-shaped middle structure of the main pull plate assembly by side grooves.

2. A baler feeding wheel and pressure wheel disassembly device according to claim 1, characterized in that: The main gripping plate is cylindrical, the groove is circular, an external thread is provided on the side of the groove, 4 to 6 bolt holes are evenly arranged along the circumference of the through hole on the bottom surface of the groove, and the same number of bolt holes are arranged on the top surface of the main gripping plate along the axial positions corresponding to the bolt holes in the groove.

3. A baler feeding wheel and pressure wheel disassembly device according to claim 1, characterized in that: The auxiliary gripping plate is cylindrical, and its side is provided with external threads matching the internal threads of the groove of the main gripping plate.

4. A baler feeding wheel and pressure wheel disassembly device according to claim 1, characterized in that: The main pull plate assembly includes a main pull plate, a bumper plate and a slide rod. The main pull plate and the slide rod are respectively installed at both ends of the slide rod. The internal thread is arranged in the main pull plate. The height of the internal thread groove of the main pull plate is greater than the total thickness of the main grab plate after the bolts are installed.

5. The device for disassembling the belt feeding wheel and the belt pressing wheel of a baler according to claim 1, characterized in that: The striker is cylindrical, and the diameter of the end face of the striker is smaller than the diameter of the end faces of both ends of the main pull plate assembly.

6. A baler feeding wheel and pressure wheel disassembly device according to claim 1, characterized in that: The size of the main grab plate matches the bearing seat of the belt feeding wheel and the belt pressing wheel of the baler, and the size of the auxiliary grab plate matches the main shaft of the belt feeding wheel and the belt pressing wheel of the baler.

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