Self-adaptive tension adjustment chain stretching equipment

Abstract

The utility model relates to the technical field of chain machining equipment, in particular to self-adaptive tension adjustment chain stretching equipment which comprises a fixing area, the fixing area is composed of two sets of positioning seats, a supporting frame and a guide frame, and a tension adjusting mechanism, a tension monitoring mechanism and a positioning mechanism are installed between the two sets of positioning seats; the spring and the pressure sensor are combined, the actual tension of the chain in the stretching process can be accurately measured through the balance relation between the tension of the spring and the tension of the chain, the problem that the tension of the chain is adjusted improperly due to inaccurate tension measurement is solved, the machining quality of the chain is effectively improved, and meanwhile the machining efficiency is improved. By means of a tension signal fed back by the pressure sensor, the controller can automatically regulate and control the adjusting motor, so that self-adaptive adjustment of the tension of the chain is achieved, frequent manual intervention is not needed, operation is easy and convenient, and the tension can be adjusted in real time according to the actual situation of the chain.

Description

TECHNICAL FIELD

[0001] The utility model relates to chain processing equipment technical field, concretely is a chain stretching equipment of self -adaptation tension regulation. BACKGROUND

[0002] In the production, maintenance and use process of chain, chain stretching operation is often needed to ensure that the chain has proper tension, thereby ensuring its stable operation.

[0003] At present, the traditional chain stretching equipment mostly adopts simple mechanical structure to stretch, and cannot accurately measure the tension borne by the chain in real time, which leads to that, in the stretching process, the chain cannot reach the specified tension requirement due to insufficient tension, affecting the transmission efficiency and stability of the chain in subsequent use, or the chain is excessively stretched due to excessive tension, reducing the service life of the chain, and even possibly breaking in the use process, causing safety accidents. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a chain stretching equipment of self -adaptation tension regulation to solve the problems in the background art.

[0005] To achieve the above object, the utility model provides the following technical scheme: a chain stretching equipment of self -adaptation tension regulation, comprising a fixed area, the fixed area is composed of two groups of positioning seats, support frames and guide frames, two groups of positioning seats are provided with a tension adjusting mechanism, a tension monitoring mechanism and a positioning mechanism;

[0006] The tension adjusting mechanism mainly comprises a first positioning block, a second positioning block and a spring, the first positioning block and the second positioning block are provided with U-shaped cavities, a pressure monitor in the tension monitoring mechanism is installed in the U-shaped cavity of the first positioning block, one end of the spring is connected with the pressure monitor in the U-shaped cavity of the first positioning block, the other end is connected with a fixed pin of the second positioning block, the other end of the second positioning block is connected with an adjusting rod, one end of the adjusting rod is provided with an adjusting tooth, the adjusting rod can penetrate into the guide frame on the side wall of one group of positioning seats through the rotation of the adjusting tooth;

[0007] The positioning mechanism comprises a chain positioning clamping seat installed on the first positioning block and the second positioning block, the chain positioning clamping seat is provided with a fixed pin, and the chain positioning clamping seat can be connected with the chain body in cooperation with the fixed pin.

[0008] Preferably, the chain positioning clamping seat is provided with a chain embedding groove, the chain body can be adaptively installed in the chain embedding groove of the chain positioning clamping seat, and is stably connected in cooperation with the fixed pin.

[0009] Preferably, the chain positioning bracket is detachably mounted on the first positioning block and the second positioning block through the positioning plate.

[0010] Preferably, the tension adjusting mechanism is additionally provided with an auxiliary adjusting mechanism on one side, the auxiliary adjusting mechanism comprises a transmission gear engaged with the adjusting tooth, and the transmission gear is connected with the adjusting motor.

[0011] Preferably, the adjusting motor is electrically connected with the speed regulator, and the speed regulator is electrically connected with the controller based on PLC programming technology.

[0012] Preferably, the pressure monitor is electrically connected with the controller installed on the side wall of one set of positioning seats.

[0013] Preferably, the support frame is provided with a transverse guide groove, and the second positioning block is movably arranged in the transverse guide groove through the sliding block at the bottom.

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] By combining the spring with the pressure sensor, the actual tension of the chain during the stretching process can be accurately measured by utilizing the balance relationship between the spring tension and the chain tension, the problem of improper chain tension adjustment caused by inaccurate tension measurement is avoided, the processing quality of the chain is effectively improved, meanwhile, the controller can automatically control the adjusting motor by means of the tension signal fed back by the pressure sensor, so that the self-adaptive adjustment of the chain tension is realized, the manual frequent intervention is not needed, the operation is simple and convenient, and the tension can be real-timely adjusted according to the actual situation of the chain. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a whole structure schematic view of the utility model.

[0017] Figure 2 It is another view structure schematic view of the utility model.

[0018] Figure 3 It is an adjusting tooth and transmission gear connecting structure schematic view of the utility model.

[0019] Figure 4 It is a chain body installation structure schematic view of the utility model.

[0020] In the figure: 1, positioning seat; 11, support frame; 111, transverse guide groove; 12, guide frame; 2, tension adjusting mechanism; 21, first positioning block; 22, second positioning block; 23, spring; 24, fixed pin; 25, adjusting rod; 26, adjusting tooth; 3, pressure monitor; 31, controller; 4, auxiliary adjusting mechanism; 41, adjusting motor; 42, transmission gear; 43, speed regulator; 5, positioning mechanism; 51, chain positioning clamping seat; 52, chain embedding groove; 53, fixed pin; 6, chain body. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0022] Please refer to Figures 1 to 4 The present application provides a technical solution: a self-adaptive tension adjusting chain stretching device, comprising a fixed area, which is composed of two groups of positioning seats 1, support frames 11 and guide frames 12, and between the two groups of positioning seats 1, a tension adjusting mechanism 2, a tension monitoring mechanism and a positioning mechanism 5 are installed.

[0023] The tension adjusting mechanism 2 is mainly composed of a first positioning block 21, a second positioning block 22 and a spring 23. The first positioning block 21 and the second positioning block 22 are provided with a U-shaped cavity. A pressure monitor 3 in the tension monitoring mechanism is installed in the U-shaped cavity of the first positioning block 21. One end of the spring 23 is connected with the pressure monitor 3 in the U-shaped cavity of the first positioning block 21, and the other end is connected with a fixed pin 24 of the second positioning block 22. The other end of the second positioning block 22 is connected with an adjusting rod 25. One end of the adjusting rod 25 is provided with an adjusting tooth 26. The adjusting rod 25 can penetrate into the guide frame 12 on the side wall of one group of positioning seats 1 through the rotation of the adjusting tooth 26.

[0024] The positioning mechanism 5 comprises a chain positioning clamping seat 51 installed on the first positioning block 21 and the second positioning block 22. The chain positioning clamping seat 51 is provided with a fixed pin 53. The chain positioning clamping seat 51 can connect the chain body 6 in cooperation with the fixed pin 53.

[0025] In use, first, both ends of the chain body 6 are placed on the first positioning block 21 and the second positioning block 22, and are fixed by the fixing pin 53, and the chain body 6 is in a preliminary installation state, at this time, the adjusting tooth 26 is rotated, the adjusting tooth 26 is rotated together with the transmission shaft in the guide frame 12, and since the adjusting tooth 26 is engaged with the tooth groove on the adjusting rod 25, the adjusting rod 25 is driven to move along the direction of the guide frame 12, it is explained that the adjusting rod 25 is a threaded structure, and by moving the adjusting rod 25 to one side of the guide frame 12, the second positioning block 22 is moved, and in the movement of the second positioning block 22, the tension spring 23 is stretched, the tension of the spring 23 changes, and the pressure monitor 3 connected to one end of the spring 23 can thus monitor the change of the tension of the spring 23 in real time.

[0026] Please refer to Figures 1 to 4 The chain positioning holder 51 is adapted to be provided with a chain embedding groove 52, the chain body 6 can be adapted to be installed in the chain embedding groove 52 provided in the chain positioning holder 51, and is stably connected in cooperation with the fixing pin 53, when installing, the chain embedding groove 52 provides accurate positioning for the chain body 6, ensures that the chain can be quickly and accurately placed in the specified position, and greatly improves the installation efficiency.

[0027] Please refer to Figures 1 to 4 The chain positioning holder 51 is detachably installed on the first positioning block 21 and the second positioning block 22 through the positioning plate, through the detachable installation, when it is necessary to measure the chain body 6 of different widths, different sizes of the chain positioning holder 51 can be conveniently replaced.

[0028] Please refer to Figures 1 to 4 The tension adjusting mechanism 2 is further provided with an auxiliary adjusting mechanism 4 on one side, the auxiliary adjusting mechanism 4 includes a transmission gear 42 engaged with the adjusting tooth 26, the transmission gear 42 is connected with an adjusting motor 41, the transmission gear 42 is driven by the adjusting motor 41, and the active rotation control of the adjusting tooth 26 can be realized, compared with the traditional manual adjusting mode, the automatic degree of tension adjustment can be significantly improved through the electric drive structure.

[0029] Please refer to Figures 1 to 4The pressure monitor 3 is electrically connected to the controller 31 on the side wall of the positioning seat 1, and the adjusting motor 41 is also electrically connected to the speed regulator 43. At the same time, the controller 31 can be electrically connected to the speed regulator 43 by PLC programming technology, and the speed regulator 43 can accurately adjust the rotating speed and torque of the adjusting motor 41 by being connected to the adjusting motor 41. The controller 31 is electrically connected to the speed regulator 43 by PLC programming technology, and can send corresponding control instructions to the speed regulator 43 according to the feedback result of the pressure monitor 3. When the chain tension is insufficient, the controller 31 controls the speed regulator 43 to increase the output power of the adjusting motor 41, so that the adjusting rod 25 moves to increase the chain tension. If the chain tension is too large, the controller 31 controls the speed regulator 43 to reduce the output power of the adjusting motor 41 to reduce the chain tension. The whole adjusting process does not need manual intervention, and can be automatically and real-timely adjusted according to the actual situation.

[0030] Please refer to Figures 1 to 4 The support frame 11 is provided with a horizontal guide groove 111, and the second positioning block 22 can move in the moving range of the horizontal guide groove 111 through the slider at the bottom. The horizontal guide groove 111 can provide a precise horizontal movement track for the movement of the second positioning block 22, so that the second positioning block 22 can only move in the direction of the horizontal guide groove 111, and the tension adjustment deviation caused by shaking in other directions can be avoided.

[0031] When the chain body 6 is installed, the two ends of the chain body 6 are respectively placed in the chain embedding grooves 52 of the chain positioning card seats 51 on the first positioning block 21 and the second positioning block 22, the chain body 6 is stably fixed on the chain positioning card seat 51 by using the fixed pins 53 to pass through the corresponding holes on the chain positioning card seat 51 and the chain body 6, and the chain body 6 is in a preliminary installation state. When the initial tension is adjusted, the adjusting tooth 26 is rotated, because the adjusting tooth 26 is connected with the transmission shaft in the guide frame 12 and is engaged with the tooth groove of the adjusting rod 25, the rotation of the adjusting tooth 26 drives the adjusting rod 25 to move along the direction of the guide frame 12, the adjusting rod 25 is in a threaded structure, the movement of the adjusting rod 25 drives the second positioning block 22 to move, the second positioning block 22 stretches the spring 23, the tension of the spring 23 changes, the pressure monitor 3 monitors the change of the tension of the spring 23 in real time, and the tension data is transmitted to the controller 31 through electrical connection, the controller 31 receives the tension data fed back by the pressure monitor 3, and compares and analyzes the tension data with the preset target tension value, if the actual tension is less than the target tension value, the controller 31 sends an instruction to the speed regulator 43 through PLC programming, the speed regulator 43 increases the output power of the adjusting motor 41, the adjusting motor 41 drives the transmission gear 42, the transmission gear 42 drives the adjusting tooth 26 to further rotate, the adjusting rod 25 continues to move, and the stretching degree of the spring 23 is increased, so that the chain tension is increased, if the actual tension is greater than the target tension value, the controller 31 controls the speed regulator 43 to reduce the output power of the adjusting motor 41, the adjusting motor 41 drives the transmission gear 42 to make the adjusting tooth 26 rotate in the opposite direction, the adjusting rod 25 moves back, the spring 23 contracts, and the chain tension is reduced, wherein, during the whole process, the controller 31 continuously adjusts the output of the adjusting motor 41 according to the feedback of the pressure monitor 3 in real time, realizes the automatic and real-time adjustment of the chain tension, does not need frequent manual intervention, and can adjust the tension in real time according to the actual situation of the chain.

[0032] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An adaptive tension-adjustable chain stretching device, comprising a fixing area composed of two groups of positioning seats, a support frame and a guide frame, and between the two groups of positioning seats, a tension-adjusting mechanism, a tension monitoring mechanism and a positioning mechanism are installed, characterized in that: the tension-adjusting mechanism is mainly composed of a first positioning block, a second positioning block and a spring, the first positioning block and the second positioning block are provided with a U-shaped cavity, a pressure monitor in the tension monitoring mechanism is installed in the U-shaped cavity of the first positioning block, one end of the spring is connected with the pressure monitor in the U-shaped cavity of the first positioning block, and the other end is connected with a fixed pin of the second positioning block, the other end of the second positioning block is connected with an adjusting rod, one end of the adjusting rod is provided with an adjusting tooth, and the adjusting rod can penetrate into the guide frame on the side wall of one group of positioning seats through the rotation of the adjusting tooth; the positioning mechanism comprises a chain positioning holder installed on the first positioning block and the second positioning block, and the chain positioning holder is provided with a fixed pin, and the chain positioning holder can connect the chain body in cooperation with the fixed pin.

2. A self-adapting tension-regulated chain stretching apparatus according to claim 1, characterized in that: The chain positioning holder is provided with a chain embedding groove, the chain body can be adaptively installed in the chain embedding groove of the chain positioning holder, and is stably connected in cooperation with the fixed pin.

3. A self-adapting tension-regulated chain stretching apparatus according to claim 2, characterized in that: The chain positioning holder is detachably installed on the first positioning block and the second positioning block through a positioning plate.

4. A self-adapting tension-regulated chain stretching apparatus according to claim 1, wherein: An auxiliary adjusting mechanism is further installed on one side of the tension-adjusting mechanism, the auxiliary adjusting mechanism comprises a transmission gear engaged with the adjusting tooth, and the transmission gear is connected with an adjusting motor.

5. A self-adapting tension-regulated chain stretching apparatus according to claim 4, characterized in that: The adjusting motor is electrically connected with a speed regulator, and the speed regulator is electrically connected with a controller based on PLC programming technology.

6. A self-adapting tension-regulated chain stretching apparatus according to claim 1, wherein: The pressure monitor is electrically connected with the controller installed on the side wall of one group of positioning seats.

7. A self-adapting tension-regulated chain stretching apparatus according to claim 1, wherein: A transverse guide groove is formed in the support frame, and the second positioning block can move in the moving range of the transverse guide groove through the slider at the bottom.

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