Sample block grinding device

Abstract

The utility model relates to a sample block grinding device, which belongs to the technical field of grinding equipment and comprises a base, a rotating seat, a grinding shaft, a driving mechanism, a grinding driving belt wheel, an abrasive belt, a grinding driven belt wheel, a driven shaft, a supporting seat, an adjusting sliding seat, an adjusting shaft and an adjusting sleeve, a spring is arranged on the adjusting shaft, a guide rod is fixed at the bottom of the adjusting sliding seat, and a guide sleeve is arranged on the guide rod. The guide sleeve is fixed to the bottom of the adjusting sleeve, the guide rod is connected with a limiting nut, the top of the adjusting sleeve is fixedly connected with a containing tray, and the containing tray is located above the grinding driving belt wheel. The distance between the grinding driven belt wheel and the grinding driving belt wheel can be flexibly changed, and the tensioning degree of the abrasive belt can be conveniently adjusted; the spring can elastically support the adjusting sliding seat, so that the abrasive belt is kept in a stable tensioning state for a long time, the reduction of the grinding effect caused by looseness is reduced, and the abrasive belt can be conveniently replaced; the placing tray can stably bear a sample block to be ground, and the sample block is convenient to take and place.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of sample block grinding device, belong to grinding equipment technical field. BACKGROUND

[0002] Sample block is the workpiece commonly used in machining process, sample block needs to be ground when using, which uses grinding device. The commonly used grinding device on market has some deficiencies in use process. The sand belt tension of part of device is inconvenient to adjust, with the increase of use time, sand belt is prone to slack phenomenon, leading to grinding effect decline, affecting sample block processing quality;And it is inconvenient to replace sand belt, affecting replacement speed, in addition, the sample block of belt grinding is inconvenient to place, affecting the convenience of taking and placing. INVENTION CONTENTS

[0003] The utility model provides a kind of sample block grinding device, solve the problems in the above background.

[0004] The utility model relates to a kind of sample block grinding device, including base, base top is fixed with rotating seat, rotating seat is rotationally installed with grinding shaft, grinding shaft is connected with drive mechanism, the front end of grinding shaft is fixed with grinding driving pulley, and the outer side of grinding driving pulley is equipped with sand belt, and the other end of sand belt is connected with grinding driven pulley, and the middle of grinding driven pulley is fixed with driven shaft, and the rear end of driven shaft is rotationally installed with support seat, and the bottom of support seat is fixed with adjusting slide, and adjusting slide is sleeved with adjusting shaft, and adjusting shaft is equipped with adjusting sleeve, and adjusting sleeve is equipped with locking bolt, and the spring that is sleeved on adjusting shaft is equipped between adjusting sleeve and adjusting slide, and the bottom of adjusting slide is fixed with the guide rod that is parallel with adjusting shaft, and the guide sleeve is equipped on guide rod, and the guide sleeve is fixed at the bottom of adjusting sleeve, and the guide rod on the side of guide sleeve close to grinding driving pulley is threadedly connected with limit nut, and the top of adjusting sleeve is fixedly connected with placing tray, and placing tray is above grinding driving pulley.

[0005] As a kind of preferred, placing tray is fixed with L-shaped support plate on the side wall of the side close to grinding driving pulley, and the arc-shaped protection plate is equipped above grinding driving pulley, and the right end of protection plate is fixed with the right end upper outer wall of support plate, and the left end of support plate is fixed with the bottom middle of protection plate. Protection plate can effectively block the splashing of debris generated in grinding process, protect operator from being injured by debris;Support plate can provide stable support for protection plate, ensure that protection plate does not sway and does not fall off during the operation of device, ensure that protection effect is long-term stable.

[0006] As a kind of preferred, the bottom of the placing tray is fixed with a support plate, the bottom of the support plate is fixed with an angle iron, the bottom of the angle iron is fixed with a fixed disc, the fixed disc is fixed on the adjusting sleeve, the angle iron is fixed with a reinforcing plate, the top of the reinforcing plate is fixed with the placing tray. The support plate, the angle iron and the reinforcing plate form a multi-directional support structure, which can significantly improve the carrying capacity of the placing tray and avoid deformation or breakage of the tray when placing heavy samples.

[0007] As a kind of preferred, the drive mechanism includes a driven pulley fixed on the grinding shaft, the driven pulley is connected with a driving pulley through a belt, the driving pulley is fixedly connected with a drive motor, the drive motor is fixedly connected with a bottom plate, the lower end of the bottom plate is hingedly connected with a fixed plate, the fixed plate is fixed on the side wall of the base, the upper end of the bottom plate is hingedly connected with an adjusting screw, the base is provided with a mounting hole for the adjusting screw to pass through, and lock nuts are arranged on the adjusting screws on the left and right sides of the mounting hole. By adjusting the adjusting screw, the bottom plate can be driven to rotate around the hinge point of the fixed plate, thereby changing the position of the drive motor and quickly adjusting the tension of the belt without disassembling the parts, which is simple and efficient. The lock nuts can fix the position of the adjusted adjusting screw, ensure that the drive motor does not deviate during operation, ensure the stability of the belt transmission and reduce power loss or transmission noise caused by belt slackening.

[0008] As a kind of preferred, a limiting sleeve is fixed in the mounting hole, the end faces of the limiting sleeve are parallel to the end faces of the lock nuts, and a maintenance hole is arranged on the base beside the mounting hole. The limiting sleeve is arranged to better adhere to the limiting sleeve when the lock nut is locked, improving the stability of the lock. The maintenance hole allows the operator to reach the lock nut inside the mounting hole from the maintenance hole without disassembling the base, and adjust it.

[0009] As a kind of preferred, an arc-shaped protective cover is arranged on the outer side of the driven pulley, the lower end of the protective cover is fixed on the outer side wall of the rotating seat, the other end of the protective cover is fixed with a protection plate, the protection plate is above the belt, the lower end of the protection plate is provided with an adjusting hole, a supporting adjusting screw is arranged in the adjusting hole, adjusting nuts are arranged on the supporting adjusting screws above and below the adjusting hole, and the lower end of the supporting adjusting screw is fixed with the side wall of the base. The arc-shaped protective cover can effectively block dust and debris from entering the cooperation area of the driven pulley and the belt, prevent component wear and tear, and prolong the service life of the transmission components. The protective cover and the protection plate cooperate to prevent the operator from accidentally touching the running belt, improving the safety of the device. The supporting adjusting screw can change the supporting height of the protection plate through the adjusting nut.

[0010] As a kind of preferred, the bottom of the base is fixed with a fixed flange, and the fixed flange is provided with a fixing bolt.

[0011] The utility model has the following beneficial effects:

[0012] By adjusting the cooperation of the sliding seat, the adjusting shaft and the adjusting sleeve, the distance between the grinding driven pulley and the grinding driving pulley can be flexibly changed, the sand belt tensioning degree is conveniently adjusted, the spring can elastically support the adjusting sliding seat, the sand belt can be kept in stable tensioning state for a long time, the grinding effect caused by relaxation is reduced, the sand belt can be conveniently replaced, the cooperation of the guide rod and the guide sleeve can avoid the deviation of the adjusting sliding seat during movement, the running stability of the grinding driven pulley is ensured, and the sample block to be ground can be stably carried on the placing tray. BRIEF DESCRIPTION OF DRAWINGS

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

[0014] Figure 2 It is a partial structure schematic diagram of Figure 1 ; Figure 1

[0015] Figure 3 It is a partial structure schematic diagram of Figure 1 ; Figure 2

[0016] Figure 4 It is a partial rear view structural schematic diagram of Figure 1 ;

[0017] Figure 5 It is an enlarged structure schematic diagram of A in Figure 3 ;

[0018] In the drawing: 1, base; 2, grinding driving pulley; 3, grinding shaft; 4, grinding driven pulley; 5, driven shaft; 6, sand belt; 7, adjusting sliding seat; 8, spring; 9, guide rod; 10, adjusting sleeve; 11, guide sleeve; 12, fixed disc; 13, placing tray; 14, support plate; 15, reinforcing plate; 16, support plate; 17, adjusting shaft; 18, protection plate; 19, support adjusting screw rod; 20, driving motor; 21, bottom plate; 22, fixed plate; 23, adjusting screw rod; 24, protection plate; 25, limiting sleeve; 26, protection cover. DETAILED DESCRIPTION

[0019] The utility model will be further described below in combination with examples.

[0020] Example 1, as Figures 1 to 5 ​​The utility model discloses a kind of sample block grinding devices, including base 1, rotating seat is fixed on the top of base 1, rotating seat is rotatably installed with grinding shaft 3, grinding shaft 3 is connected with driving mechanism, the front end of grinding shaft 3 is fixed with grinding driving pulley 2, grinding driving pulley 2 outside is equipped with abrasive belt 6, one end of abrasive belt 6 is connected with grinding driven pulley 4, the middle of grinding driven pulley 4 is fixed with driven shaft 5, driven shaft 5 rear end is rotatably installed with support seat, the bottom of support seat is fixed with adjusting slide 7, adjusting slide 7 is sleeved with adjusting shaft 17, adjusting shaft 17 is equipped with adjusting sleeve 10, adjusting sleeve 10 is equipped with locking bolt, spring 8 on adjusting shaft 17 is equipped between adjusting sleeve 10 and adjusting slide 7, the bottom of adjusting slide 7 is fixed with the guide rod 9 parallel with adjusting shaft 17, guide rod 9 is equipped with guide sleeve 11, guide sleeve 11 is fixed in the bottom of adjusting sleeve 10, limit nut is threadedly connected on the guide rod 9 of guide sleeve 11 side close to grinding driving pulley 2, the top of adjusting sleeve 10 is fixedly connected with placing tray 13, placing tray 13 is above grinding driving pulley 2.

[0021] Before work, according to the length of abrasive belt 6, loosen locking bolt, adjust the axial position of adjusting sleeve 10, then lock, then along the axial pressure of adjusting shaft 17 adjusting slide 7, the elastic force of spring 8 is overcome so that grinding driven pulley 4 is close to grinding driving pulley 2, then release adjusting slide 7, tension abrasive belt 6. When working: driving mechanism drives grinding shaft 3 to rotate, so as to drive grinding driving pulley 2 to rotate, drive abrasive belt 6 to move, then the sample block to be ground is placed on placing tray 13, then one of the sample block is held close to the position of abrasive belt 6 left side of grinding driving pulley 2, and grinding is carried out, after one sample block is ground, it is placed in placing tray 13, and another sample block is ground.

[0022] In example 2, on the basis of example 1, placing tray 13 is fixed with L-shaped support plate 16 on the side wall of the side close to grinding driving pulley 2, arc-shaped protection plate 24 is arranged above grinding driving pulley 2, the right end of protection plate 24 is fixed with the outer side wall of the right end upper portion of support plate 16, and the left end of support plate 16 is fixed with the bottom middle of protection plate 24.

[0023] The bottom of placing tray 13 is fixed with support plate 14, the bottom of support plate 14 is fixed with angle iron, the bottom of angle iron is fixed with fixed disc 12, fixed disc 12 is fixed on adjusting sleeve 10, angle iron is fixed with reinforcing plate 15, and the top of reinforcing plate 15 is fixed with placing tray 13.

[0024] The driving mechanism comprises a driven pulley fixed on the grinding shaft 3, the driven pulley is connected with a driving pulley through a belt, the driving pulley is fixedly connected with a driving motor 20, the driving motor 20 is fixedly connected with a bottom plate 21, the lower end of the bottom plate 21 is hingedly connected with a fixed plate 22, the fixed plate 22 is fixed on the side wall of the base 1, the upper end of the bottom plate 21 is hingedly connected with an adjusting screw 23, the base 1 is provided with a mounting hole for the adjusting screw 23 to pass through, and lock nuts are arranged on the adjusting screw 23 on the left and right sides of the mounting hole. The driving motor 20 rotates to drive the driving pulley to rotate, the grinding shaft 3 is driven to rotate through the belt and the driven pulley, so that the grinding driving pulley 2 is driven to rotate, thereby driving the sand belt 6 to move.

[0025] A limiting sleeve 25 is fixed in the mounting hole, the side walls at the two ends of the limiting sleeve 25 are parallel to the end faces of the lock nuts, and the base 1 beside the mounting hole is provided with a maintenance hole. When the belt is loose, the lock nuts are loosened, the adjusting screw 23 is pushed, and since the lower end of the bottom plate 21 is hingedly connected with the fixed plate 22, the adjusting screw 23 can drive the bottom plate 21 to rotate around the hinge point, so that the position of the driving motor 20 is changed, the belt is tensioned, and then the lock nuts are tightened to complete the adjustment, which is simple and convenient to operate.

[0026] The outer side of the driven pulley is provided with a circular-arc-shaped protective cover 26, the lower end of the protective cover 26 is fixed on the outer side wall of the rotating seat, the other end of the protective cover 26 is fixed with a protection plate 18, the protection plate 18 is above the belt, the lower end of the protection plate 18 is provided with an adjusting hole, a supporting adjusting screw 19 is arranged in the adjusting hole, adjusting nuts are arranged on the supporting adjusting screws 19 above and below the adjusting hole, and the lower end of the supporting adjusting screw 19 is fixed on the side wall of the base 1. During installation, the end, away from the protection plate 18, of the protective cover 26 is fixed on the side wall of the rotating seat, then the height position of the lower part of the protection plate 18 can be adjusted by adjusting the adjusting nuts on the two sides of the lower part adjusting hole of the protection plate 18, and when the position of the belt is adjusted, the lower end of the protection plate 18 is kept at a proper distance from the belt.

[0027] The bottom of the base 1 is fixed with a fixed flange, and the fixed flange is provided with a fixing bolt.

[0028] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be properly combined to form other embodiments that those skilled in the art can understand.

[0029] In the description of the utility model, the terms "inner", "outer", "longitudinal", "lateral", "upper", "lower", "top", "bottom" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and do not require the utility model to be necessarily constructed and operated in a particular orientation, so it cannot be understood as a limitation on the utility model.

Claims

1. A sample grinding device, comprising a base (1), a rotating seat fixed on the top of the base (1), a grinding shaft (3) rotatably mounted on the rotating seat, a driving mechanism connected to the grinding shaft (3), a grinding drive pulley (2) fixed at the front end of the grinding shaft (3), an abrasive belt (6) provided on the outer side of the grinding drive pulley (2), and a grinding driven pulley (4) connected to the other end of the abrasive belt (6), characterized in that: The middle of the grinding driven pulley (4) is fixed with a driven shaft (5), the rear end of the driven shaft (5) is rotatably installed with a support seat, the bottom of the support seat is fixed with an adjusting slide (7), the adjusting slide (7) is sleeved with an adjusting shaft (17), the adjusting shaft (17) is provided with an adjusting sleeve (10), the adjusting sleeve (10) is provided with a locking bolt, the adjusting sleeve (10) and the adjusting slide (7) are provided with a spring (8) sleeved on the adjusting shaft (17), the bottom of the adjusting slide (7) is fixed with a guide rod (9) parallel to the adjusting shaft (17), the guide rod (9) is provided with a guide sleeve (11), the guide sleeve (11) is fixed on the bottom of the adjusting sleeve (10), the guide sleeve (11) is threadedly connected with a limiting nut on the guide rod (9) close to the grinding driving pulley (2), the top of the adjusting sleeve (10) is fixedly connected with a placing tray (13), and the placing tray (13) is above the grinding driving pulley (2).

2. A sample grinding device according to claim 1, characterized in that: The side wall of the placing tray (13) close to the grinding driving pulley (2) is fixed with an L-shaped support plate (16), the upper side of the support plate (16) is fixed with a circular arc-shaped protection plate (24), and the right end of the protection plate (24) is fixed to the outer side wall of the right end of the support plate (16).

3. A sample grinding device according to claim 1, wherein: The bottom of the placing tray (13) is fixed with a support plate (14), the bottom of the support plate (14) is fixed with an angle iron, the bottom of the angle iron is fixed with a fixed disc (12), the fixed disc (12) is fixed on the adjusting sleeve (10), the angle iron is fixed with a reinforcing plate (15), and the top of the reinforcing plate (15) is fixed with the placing tray (13).

4. A sample grinding device according to claim 1, wherein: The driving mechanism comprises a driven pulley fixed on the grinding shaft (3), a driving pulley connected with the driven pulley through a belt, a driving motor (20) fixedly connected with the driving pulley, a bottom plate (21) fixedly connected with the driving motor (20), a fixed plate (22) hingedly connected to the lower end of the bottom plate (21), the fixed plate (22) being fixed on the side wall of the base (1), an adjusting screw rod (23) hingedly connected to the upper end of the bottom plate (21), and the base (1) being provided with a mounting hole for the adjusting screw rod (23) to pass through, and the adjusting screw rod (23) being provided with a locking nut on the left and right sides of the mounting hole.

5. A sample grinding device according to claim 4, wherein: The mounting hole is fixed with a limiting sleeve (25), the two end side walls of the limiting sleeve (25) are parallel to the end faces of the locking nuts, and the base (1) beside the mounting hole is provided with a maintenance hole.

6. A sample grinding device according to claim 4, wherein: The outer side of the driven pulley is provided with a circular arc-shaped protective cover (26), the lower end of the protective cover (26) is fixed to the outer side wall of the rotating seat, the other end of the protective cover (26) is fixed with a protection plate (18), the protection plate (18) is above the belt, the lower end of the protection plate (18) is provided with an adjusting hole, the adjusting hole is provided with a supporting adjusting screw rod (19), the supporting adjusting screw rod (19) is provided with an adjusting nut above and below the adjusting hole, and the lower end of the supporting adjusting screw rod (19) is fixed to the side wall of the base (1).

7. A sample grinding device according to claim 1, wherein: The bottom of the base (1) is fixed with a fixed flange, and the fixed flange is provided with a fixed bolt.

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