Long barrel end cover thread tightening equipment

Abstract

The utility model belongs to the technical field of mechanical assembly, and provides a long barrel end cover thread tightening device which comprises a lathe bed, a movable sliding table, a clamping bracket, a tightening mechanism, a speed reducer, a speed changer, an explosion-proof motor, an explosion-proof button, an explosion-proof circuit breaker and an explosion-proof magnetic starter. A movable sliding table and a clamping bracket are arranged on the lathe bed, and a tightening mechanism, a speed reducer, a transmission and an explosion-proof motor are arranged on the movable sliding table; the explosion-proof motor is connected with an explosion-proof magnetic starter, an explosion-proof breaker and an explosion-proof button; according to the equipment, the explosion-proof motor, the speed reducer and the clamping jaw wrench can move through the movable sliding table, so that the clamping jaw wrench is matched with the end cover, the explosion-proof motor rotates to generate torsion, the torsion is transmitted to the clamping jaw wrench through the speed changer and the speed reducer, the end cover is screwed with a long cylinder workpiece through rotation, and work is stopped when the torque set by the torque limiter is reached; the equipment is simple in structure, convenient to operate and capable of completing tightening work of the end cover of the long cylinder workpiece with high quality.

Description

TECHNICAL FIELD

[0001] The utility model belongs to mechanical assembly technical field relates to the assembly of long cylinder end cover, specifically a long cylinder end cover thread tightening equipment. BACKGROUND

[0002] The existing long cylinder workpiece with end cover, when the end cover thread is tightened and assembled, the assembly quality directly affects the quality and stability of the long cylinder workpiece, the thread assembly between the end cover and the long cylinder is very important, and the state of too loose or too tight does not meet the quality requirements. The traditional end cover thread tightening method is not accurate enough, and the whole assembly process is time-consuming and labor-intensive, which cannot adapt to the high-quality and high-efficiency scientific research and production demand, and cannot adapt to the batch production demand. INVENTION CONTENTS

[0003] The utility model aims at providing a long cylinder end cover thread tightening equipment, which can be used for the end cover thread connection assembly of a mechanical long cylinder workpiece.

[0004] The utility model discloses a long cylinder end cover thread tightening equipment that adopts the technical scheme and realizes the above-mentioned purpose.

[0005] A long cylinder end cover thread tightening equipment, including the body, removes the sliding platform, the clamping support, the tightening mechanism, the speed reducer, the transmission, the explosion -proof motor, the explosion -proof button, the explosion -proof circuit breaker, the explosion -proof magnetic starter, the body is removed and sets up the sliding platform and the clamping support, removes the sliding platform and sets up the tightening mechanism, the speed reducer, the transmission and the explosion -proof motor, the explosion -proof motor is connected with the explosion -proof magnetic starter, and the explosion -proof circuit breaker and the explosion -proof button.

[0006] The body includes a bed frame, a workbench surface, a guide rail fixing plate, a linear guide rail and a limiting baffle. The bed frame is a welded frame structure. The workbench surface is welded on the bed frame. The guide rail fixing plate is welded on the workbench surface. The linear guide rail is bolted to the guide rail fixing plate. The limiting baffles are welded to the front and rear of the linear guide rail to limit the maximum stroke of the moving sliding platform arranged on the linear guide rail.

[0007] The moving sliding platform includes a sliding platform and a sliding block. The sliding block is arranged below the sliding platform and is slidably connected to the linear guide rail on the body. The explosion -proof motor, the transmission and the speed reducer are arranged on the sliding platform and are flange bolted.

[0008] The clamping support includes a lower clamping seat, an upper clamping seat, a leather gasket, an eccentric compression rod and a connecting plate. The upper clamping seat is rotatably connected to the lower clamping seat through a pin shaft. The connecting plate is rotatably connected to the lower clamping seat and the eccentric compression rod through pin shafts two and three. The eccentric compression rod can be compressed to the upper and lower clamping seats through eccentric rotation.

[0009] The tightening mechanism comprises a torque limiter, a shaft coupling, a damping spring and a claw wrench, the torque limiter, the shaft coupling and the claw wrench are connected through a key, the shaft coupling and the claw wrench are further provided with the damping spring, the torque limiter is connected with the speed reducer through a key, the set torque of the torque limiter is adjusted, the thread is protected and the locking purpose is achieved.

[0010] The utility model discloses the beneficial effects are:

[0011] The equipment can move the explosion -proof motor, the speed reducer and the claw wrench through the mobile slide platform, the claw wrench is matched with the end cover, the explosion -proof motor rotates and generates the torsion, the torsion is transmitted to the claw wrench through the transmission and the speed reducer, the end cover is screwed with the long barrel workpiece through rotation, and work is stopped under the set torque of the torque limiter.

[0012] The device has simple structure and convenient operation, and when the end cover and the long barrel thread tightening process is carried out, the explosion -proof motor electric control positive and negative rotation is arranged, the long barrel end cover tightening and dismounting two working modes can be realized, the torque limiter realizes the safe state of thread tightening, meets the quality requirement, improves the semi -automatic level of long -circular -cylinder end cover assembly process, enhances the safety factor of assembly process, reduces production cost, improves work efficiency and product quality, and improves enterprise economic benefit. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the structural schematic diagram of the utility model;

[0014] Figure 2 It is the structural schematic diagram of the utility model in the bed body;

[0015] Figure 3 It is the structural schematic diagram of the utility model in the clamping support;

[0016] Figure 4 It is the structural schematic diagram of the utility model in the clamping support open state;

[0017] Figure 5 It is the structural schematic diagram of the utility model in the tightening mechanism;

[0018] Figure 6 It is the structural schematic diagram of the utility model in the mobile slide platform.

[0019] 1, bed body; 2, clamping support; 3, tightening mechanism; 4, moving slide; 5, speed reducer; 6, transmission; 7, explosion-proof motor; 8, explosion-proof button; 9, explosion-proof circuit breaker; 10, explosion-proof magnetic starter; 11, bed frame, 12, workbench surface; 13, guide rail fixing plate; 14, linear guide rail; 15, limit baffle; 21, lower clamping seat; 22, upper clamping seat; 23, leather pad; 24, eccentric compression rod; 25, connecting plate; 26, pin shaft one; 27, pin shaft two; 28, pin shaft three; 29, workpiece; 31, torque limiter; 32, coupling; 33, shock absorbing spring; 34, claw wrench; 35, long slot; 36, screw; 41, slide; 42, sliding block. DETAILED DESCRIPTION

[0020] In order to make the above-mentioned purposes, features and advantages of the utility model more apparent, obvious and easy to understand, the technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0021] A long barrel end cover thread tightening equipment, as shown in Figure 1 , comprising a bed body 1, a clamping support 2, a tightening mechanism 3, a moving slide 4, a speed reducer 5, a transmission 6, an explosion-proof motor 7, an explosion-proof button 8, an explosion-proof circuit breaker 9, an explosion-proof magnetic starter 10.

[0022] The bed body 1, as shown in Figure 2 , comprises a bed frame 11, a workbench surface 12, a guide rail fixing plate 13, a linear guide rail 14 and a limit baffle 15; the bed frame 11 is a welded structure, the workbench surface 12 is welded to the bed frame 11, and the guide rail fixing plate 13 is welded to the workbench surface 12; the linear guide rail 14 is bolted to the guide rail fixing plate 13, and the limit baffle 15 is welded to the front and rear of the linear guide rail 14 to limit the maximum stroke of the moving slide 4 arranged on the linear guide rail 14.

[0023] The clamping support 2, as shown in Figure 3 , Figure 4 , comprises a lower clamping seat 21, an upper clamping seat 22, a leather pad 23, an eccentric compression rod 24 and a connecting plate 25; the lower clamping seat 21 and the upper clamping seat 22 are connected and rotated through a pin shaft one 26, the connecting plate 25 is connected and rotated with the lower clamping seat 21 and the eccentric compression rod 24 through two end pin shafts two 27 and a pin shaft three 28, the pin shaft three 28 is eccentrically connected with the compression head of the eccentric compression rod 24, and the eccentric compression rod 24 is pressed to tightly connect the upper clamping seat 22 and the lower clamping seat 21 through eccentric rotation.

[0024] Two sets of clamping supports 2 are fixed on the workbench 12 to clamp and fix the long cylinder workpiece.

[0025] The tightening mechanism 3, as shown in Figure 5 , comprises a torque limiter 31, a shaft coupling 32, a damping spring 33 and a claw wrench 34. The torque limiter 31, the shaft coupling 32 and the claw wrench 34 are connected by means of a flat key. The shaft coupling 32 and the claw wrench 34 are further provided with the damping spring 33, which is limited by the long slot 35 on the claw wrench 34 and the screw 36 screwed on the flat key of the shaft coupling 32. The claw wrench 34 is buffered and damped during screwing. The torque limiter 31 is connected with the speed reducer 5 by means of a flat key. The torque limiter 31 sets the torque, which protects the workpiece thread and achieves the purpose of locking the long cylinder end cover according to the installation standard.

[0026] The moving slide 4, as shown in Figure 6 , comprises a slide 41 and a sliding block 42. The sliding block 42 is fixed on the bottom of the slide 41. The slide 41 is connected with the linear guide rail 14 on the bed 1 by means of the sliding block 42.

[0027] As shown in Figure 1 , the explosion-proof motor 7, the transmission 6 and the speed reducer 5 are connected by means of flange bolts. The speed reducer 5 is bolted on the slide 41 and moves with the moving slide 4. The tightening mechanism 3 moves through the moving slide 4, so that the claw wrench 34 cooperates with the end cover. The explosion-proof motor 7 rotates to generate a torque. The torque is transmitted to the claw wrench 34 through the transmission 6 and the speed reducer 5. The end cover is screwed with the long cylinder workpiece by rotating. When the torque set by the torque limiter 31 is reached, the work is stopped.

[0028] The working process of the equipment is as follows:

[0029] When the equipment works, first, as shown in Figure 4 , the long cylinder workpiece 29 is placed in the lower clamping seat 21 of the two sets of clamping supports 2. The upper clamping seat 22 is turned to cover the long cylinder workpiece. The eccentric pressing rod 24 is manually rotated to press the workpiece. Figure 3As shown, the quick mounting and dismounting process is realized, and the work efficiency is improved; then, the end cover is manually screwed in advance, the moving slide 4 is slid on the linear guide rail 14 through the sliding block 42, the jaw wrench 34 is matched with the end cover to be tightened, then the anti-explosion circuit breaker 9 switch is started, the anti-explosion motor 7 is started, the anti-explosion button 8 is pressed, the anti-explosion motor 7 rotates to generate a torque, the torque is transmitted to the jaw wrench 34 through the transmission 6 and the speed reducer 5, the end cover is screwed with the long barrel workpiece through rotation, and the work is stopped when the torque set by the torque limiter 31 is reached. The anti-explosion button 8 is a positive and negative point control, the point control is a gradual acceleration process, the smooth start of the motor is ensured, the control is flexible, the operation is convenient, the end cover tightening and dismounting two working modes are realized, the moving slide 4 is retreated after the long barrel workpiece and the end cover are screwed and assembled, and the long barrel workpiece is removed. The above work is repeated to install the next long barrel workpiece.

[0030] The above is only a specific implementation manner of the present application, but the protection scope of the present application is not limited to this, any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A long cylindrical end cap thread tightening device, characterized in that: It includes a bed, a moving slide, a clamping bracket, a tightening mechanism, a reducer, a gearbox, an explosion-proof motor, an explosion-proof button, an explosion-proof circuit breaker, and an explosion-proof magnetic starter; the bed is equipped with a moving slide and a clamping bracket, and the moving slide is equipped with a tightening mechanism, a reducer, a gearbox, and an explosion-proof motor; the explosion-proof motor is connected to an explosion-proof magnetic starter, an explosion-proof circuit breaker, and an explosion-proof button.

2. The long cylindrical end cap thread tightening device according to claim 1, characterized in that: The bed includes a bed frame, a worktable, a guide rail fixing plate, a linear guide rail, and a limit baffle. The bed frame is a welded frame structure, the worktable section is welded to the bed frame, the guide rail fixing plate is welded to the worktable, the linear guide rail is bolted to the guide rail fixing plate, and limit baffles are welded to the front and rear of the linear guide rail to limit the maximum stroke of the movable slide table set on the linear guide rail.

3. The long cylindrical end cap thread tightening device according to claim 1, characterized in that: The movable slide includes a slide and a slider. The slider is located below the slide and is slidably connected to the linear guide rail on the bed. An explosion-proof motor, a gearbox, and a reducer are installed on the slide, and the explosion-proof motor, gearbox, and reducer are connected by flange bolts.

4. The long cylindrical end cap thread tightening device according to claim 1, characterized in that: The clamping support includes a lower clamping seat, an upper clamping seat, a leather pad, an eccentric pressure rod, and a connecting plate. The upper clamping seat and the lower clamping seat are rotatably connected by a first pin. The two ends of the connecting plate are rotatably connected to the lower clamping seat and the eccentric pressure rod respectively by a second pin and a third pin. The upper clamping seat and the lower clamping seat can be pressed tightly by eccentrically rotating the eccentric pressure rod.

5. The long cylindrical end cap thread tightening device according to claim 1, characterized in that: The tightening mechanism includes a torque limiter, a coupling, and a jaw wrench. The torque limiter, coupling, and jaw wrench are all connected by a key, and the torque limiter is connected to the reducer by a key.

6. The long cylindrical end cap thread tightening device according to claim 5, characterized in that: A shock-absorbing spring is also provided between the coupling and the jaw wrench.

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