CN222002982U

CN222002982U - Abrasive belt machine with progressive mechanism

Info

Publication number: CN222002982U
Application number: CN202420565487.7U
Authority: CN
Inventors: 邢兵
Original assignee: Xiangyang Jingchu Machinery Co ltd
Current assignee: Xiangyang Huayang Electromechanical Co.,Ltd.
Priority date: 2024-03-22
Filing date: 2024-03-22
Publication date: 2024-11-15
Anticipated expiration: 2034-03-22

Abstract

The utility model discloses a sanding machine with a progressive mechanism, which relates to the technical field of sanding machines, and specifically includes a base, a U-shaped frame with an opening facing downward is installed on the top of the base, a first support arm is horizontally installed on the top of the U-shaped frame, a second support arm is vertically installed on the bottom of one end of the first support arm, both ends of the second support arm and the end of the first support arm away from the second support arm are installed with a first bearing seat, support wheels are rotatably arranged in the first bearing seat, the three support wheels are connected by a sanding belt, and the support wheel located at the bottom of the second support arm is connected to a driving mechanism. When the utility model is in use, a progressive mechanism is arranged on one side of the sanding belt, and the workpiece can be clamped and fixed in a fixture when grinding the workpiece, so that the grinding workpiece can be more in contact with the sanding belt, and the annular rotating wheel can be rotated to make the workpiece intermittently contact with the sanding belt.

Description

Abrasive belt machine with progressive mechanism

Technical Field

The utility model relates to the technical field of belt sanders, in particular to a belt sander with a progressive mechanism.

Background

The abrasive belt machine is a machine device for carrying out the process treatments of grinding, polishing, finishing and the like on the surface of an object. The abrasive belt machine drives the abrasive belt round roller to generate high-speed motion, so that the abrasive belt with sand grains is contacted and rubbed with the surface of an object, and the abrasive belt machine plays a role in carrying out technological treatments such as grinding, polishing, finishing and the like.

The existing abrasive belt machine rotates an abrasive belt rapidly during working, an operator needs to hold a workpiece by hand, the polishing part of the workpiece is aligned to the abrasive belt, the workpiece is contacted with the abrasive belt to realize polishing through the expansion and contraction of the hand, the abrasive belt rotates at a high speed although the method is convenient, when the workpiece contacts with the abrasive belt, the workpiece receives larger impact, and the workpiece possibly falls off from the hand. To this end we propose a belt sander with a progressive mechanism.

Disclosure of utility model

Aiming at the defect that the existing abrasive belt machine can only be used for polishing in a handheld mode when polishing, the utility model provides the abrasive belt machine with the progressive mechanism, which has the advantages of clamping a workpiece to be polished and progressive to an abrasive belt, and solves the problems in the background art.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides an abrasive band machine with mechanism of going forward, the on-line screen storage device comprises a base, the U type frame that the opening set up downwards is installed at the top of base, the top level of U type frame installs a first support arm, the second support arm is installed perpendicularly to the one end bottom of first support arm, the first bearing frame is all installed to the both ends of second support arm and the one end that first support arm kept away from the second support arm, all rotate in the first bearing frame and be equipped with the supporting wheel, three supporting wheels pass through the abrasive band and link to each other, the supporting wheel that is located the second support arm bottom is connected with actuating mechanism;

A support is vertically arranged at one end of the base close to the second supporting arm, a transmission screw rod is movably arranged in the top of the support in a penetrating manner, two ends of the transmission screw rod extend to the outside of the support, a connecting seat is arranged at one end of the transmission screw rod close to the abrasive belt, a guide rod is vertically arranged at the bottom of the connecting seat, the guide rod is movably penetrated on the support, and a clamp is arranged at one side of the connecting seat far away from the support;

the one end that the abrasive band was kept away from to the drive screw is gone up with the axle sleeve and is equipped with annular seat, annular seat one side and support side fixed connection, and the cover is equipped with the second installation cover and the two rotates to link to each other on the annular seat, and one side coaxial coupling that the support was kept away from to the second installation cover has first installation cover, first installation cover and drive screw threaded connection, coaxial being equipped with annular runner outside first installation cover, through many connecting rods connection between annular runner and the first installation cover.

Preferably, the clamp is a vice clamp or a chuck.

Preferably, the driving mechanism comprises a driving motor arranged on one side of the U-shaped frame, the driving motor is arranged on the base, belt pulleys are connected to the rotating shaft of the driving motor and the tail end of a supporting wheel positioned at the bottom of the second supporting arm, and the two belt pulleys are connected through a belt.

Preferably, an adjusting screw rod is arranged in the middle position in the U-shaped frame, the bottom of the adjusting screw rod is rotationally connected with the base, the top of the adjusting screw rod respectively penetrates through the first supporting arm and the U-shaped frame, the U-shaped frame is rotationally connected with the adjusting screw rod, and an adjusting motor connected with the adjusting screw rod is arranged in the middle of the top surface of the first supporting arm;

The U-shaped frame is internally provided with a movable seat, rectangular openings are formed in two ends of the movable seat, the rectangular openings are clamped on two sides of the inner wall of the U-shaped frame, a second bearing seat is arranged at the bottom of one end of the movable seat, which is close to the supporting wheel, a pressing wheel is rotatably arranged in the second bearing seat, and the pressing wheel is positioned in the abrasive belt and is pressed on the inner surface of the abrasive belt.

Preferably, a placing plate is horizontally arranged at one end of the first supporting arm far away from the second supporting arm, and the placing plate is positioned at the side surface of the supporting wheel and is provided with a gap between the placing plate and the supporting wheel.

Preferably, a support plate parallel to the abrasive belt is connected to the side of the second support arm away from the first support arm, and the support plate is located on the side of the abrasive belt away from the clamp.

Compared with the prior art, when the abrasive belt polishing device is used, 1, the progressive mechanism is arranged on one side of the abrasive belt, and the workpiece can be clamped and fixed in the clamp when being polished, so that the contact force between the polished workpiece and the abrasive belt is larger, and the annular rotating wheel can be rotated to enable the workpiece to intermittently contact with the abrasive belt;

2. The mechanism for tensioning the abrasive belt is arranged in the U-shaped frame, namely, the adjusting motor drives the adjusting screw rod to enable the pressing wheel to lift up and down, so that the abrasive belt can be pressed or loosened, and the abrasive belt can be replaced after being loosened.

Drawings

FIG. 1 is a schematic diagram of a side structure of the present utility model.

FIG. 2 is a schematic diagram of another embodiment of the present utility model.

Fig. 3 is a front view of the present utility model.

Fig. 4 is a front view of the progressive mechanism of the present utility model.

Fig. 5 is a schematic structural diagram of a mobile seat according to the present utility model.

In the figure: 1. a base; 2. a belt pulley; 3. a driving motor; 4. a movable seat; 5. adjusting a screw rod; 6. a first support arm; 7. a first bearing seat; 8. placing a plate; 9. adjusting a motor; 10. abrasive belt; 11. a support wheel; 12. a support plate; 13. a second support arm; 14. a clamp; 15. a connecting seat; 16. a bracket; 17. a guide rod; 18. a transmission screw; 19. a first mounting sleeve; 20. an annular rotating wheel; 21. a connecting rod; 22. a pinch roller; 23. a second bearing seat; 24. a U-shaped frame; 25. a second mounting sleeve; 26. an annular seat.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 5, the present utility model provides a technical solution: the utility model provides a belt sander with mechanism of going forward, includes base 1, and U type frame 24 that the opening set up downwards is installed at the top of base 1, and first support arm 6 is installed to the top level of U type frame 24, and the both ends of first support arm 6 all stretch to, and U type frame 24 top outside, welded fastening or be in the same place through the bolt-up between U type frame 24 and the base 1, the bottom four corners of base 1 are equipped with supporting leg or brake universal wheel.

As shown in fig. 1, a second support arm 13 is vertically installed at the bottom of one end of a first support arm 6, the second support arm 13 extends vertically downwards, a first bearing seat 7 is installed at both ends of the second support arm 13 and one end, far away from the second support arm 13, of the first support arm 6, a support wheel 11 is rotatably arranged in the first bearing seat 7, the support wheel 11 is connected with the first bearing seat 7 through a bearing, as shown in fig. 2, three support wheels 11 are connected through an abrasive belt 10, the tail ends of the support wheels 11 at the bottom of the second support arm 13 are connected with belt pulleys 2, a driving motor 3 is further arranged on the base 1 at one side of the U-shaped frame 24, belt pulleys 2 are also arranged on the rotating shaft of the driving motor 3, the two belt pulleys 2 are connected through a belt, the belt pulleys and the driving motor form a driving mechanism for driving the support wheels 11 to rotate, and the abrasive belt 10 rotates rapidly under the driving of the driving mechanism.

As shown in fig. 1 and 2, a support 16 is vertically installed at one end of the base 1 close to the second support arm 13, a transmission screw 18 is movably installed in the top of the support 16, both ends of the transmission screw 18 extend to the outside of the support 16, a connecting seat 15 is installed at one end of the transmission screw 18 close to the abrasive belt 10, a guide rod 17 is vertically installed at the bottom of the connecting seat 15, the guide rod 17 movably penetrates through the support 16, a clamp 14 is installed at one side of the connecting seat 15 away from the support 16, the clamp 14 is a vice clamp or a chuck, the chuck is a two-jaw, three-jaw or four-jaw chuck, of course, the clamp 14 is not limited to a vice clamp or a chuck, other chucks can also be installed on the connecting seat 15, and the type of the chuck needs to be selected according to practical situations.

The specific installation structure of the transmission screw 18 is shown in fig. 4, an annular seat 26 is coaxially sleeved on one end of the transmission screw 18 far away from the abrasive belt 10, one side of the annular seat 26 is fixedly connected with the side surface of the support 16, a second installation sleeve 25 is sleeved on the annular seat 26 and is rotationally connected with the annular seat 26, specifically, the transmission screw 18 is installed through a bearing, namely, the second installation sleeve 25 is connected with the annular seat 26 through the bearing installation, one side of the second installation sleeve 25 far away from the support 16 is coaxially connected with a first installation sleeve 19, an internal thread structure matched with the transmission screw 18 is arranged in the first installation sleeve 19, the first installation sleeve 19 is in threaded connection with the transmission screw 18, an annular runner 20 is coaxially arranged outside the first installation sleeve 19, the annular runner 20 is connected with the first installation sleeve 19 through a plurality of connecting rods 21, the annular runner 20 is rotated to drive the first installation sleeve 19 to rotate, the first installation sleeve 19 is driven to reciprocate along the axial direction of the transmission screw 18, when the transmission screw 18 moves towards the abrasive belt, the workpiece is contacted with the abrasive belt, the annular runner 20 can rotate along the direction, and the workpiece is in continuous positive and negative contact with the abrasive belt, or the workpiece is ground intermittently, or the workpiece is ground and is flat.

In the practical application process, the abrasive belt in the abrasive belt machine rotates rapidly in the polishing process, the polished abrasive belt cannot relax, so the abrasive belt is required to be tightened, a device for pre-tightening the abrasive belt is arranged in the U-shaped frame 24, the device for pre-tightening the abrasive belt comprises an adjusting screw 5 arranged in the middle position in the U-shaped frame 24, the bottom of the adjusting screw 5 is rotationally connected with the base 1, particularly through bearing connection, the top of the adjusting screw 5 penetrates through the first supporting arm 6 and the U-shaped frame 24 respectively, the U-shaped frame 24 is rotationally connected with the adjusting screw 5, particularly through bearing connection, an adjusting motor 9 connected with the adjusting screw 5 is arranged in the middle of the top surface of the first supporting arm 6, and the adjusting motor 9 is a band brake motor, so that the adjusting motor 9 can be self-locked when power is off or rotation is stopped, and the adjusting screw 5 can be driven to rotate when the adjusting motor 9 rotates;

The U-shaped frame 24 is also internally provided with a movable seat 4, both ends of the movable seat 4 are respectively provided with a rectangular opening (not numbered), the rectangular openings are clamped on both sides of the inner wall of the U-shaped frame 24, so when the adjusting screw 5 rotates, the adjusting screw 5 drives the movable seat 4 to move up and down along the inside of the U-shaped frame 24, a second bearing seat 23 is arranged at the bottom of one end of the movable seat 4, which is close to the supporting wheel 11, and a compression wheel 22 is rotatably arranged in the second bearing seat 23, as shown in fig. 2, the compression wheel 22 is positioned in the abrasive belt 10 and is pressed on the inner surface of the abrasive belt 10, thereby tightening the abrasive belt 10 and preventing the abrasive belt 10 from loosening and falling.

Further, as shown in fig. 1, the abrasive belt 10 on one side of the second support arm 13 is used for contacting with the workpiece in the fixture, but some workpieces need to be polished, for example, the spiral drill bit part becomes dull after long-term use, and the end of the drill bit needs to be polished to a knife edge, and the side of the second support arm is inconvenient to polish due to the arrangement of the bracket 16, so that other parts are convenient to polish, as shown in fig. 1 and 2, a placing plate 8 is horizontally arranged at one end of the first support arm 6 far from the second support arm 13, the placing plate 8 is positioned at the side of the support wheel 11 and provided with a gap between the placing plate and the placing plate, so that the two workpieces can be placed on the placing plate 8 in a holding manner, and then the parts are progressed towards the abrasive belt, so that the parts are polished.

Further, a support plate 12 parallel to the sanding belt 10 is connected to the side of the second support arm 13 remote from the first support arm 6, the support plate 12 being located on the side of the sanding belt 10 remote from the clamp 14, since the sanding belt 10 is pressed when the workpiece is in contact with the sanding belt 10, and the support plate 12 supports the sanding belt when the deformed sanding belt is in contact with the support plate 12.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present utility model; the terms "first," "second," "third," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "coupled," and the like are to be construed broadly, and may be fixedly coupled, detachably coupled, or integrally coupled, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a belt sander with progressive mechanism, including base (1), U type frame (24) that the opening set up downwards are installed at the top of base (1), a first support arm (6) are installed to the top level of U type frame (24), second support arm (13) are installed perpendicularly to the one end bottom of first support arm (6), first bearing frame (7) are all installed at both ends of second support arm (13) and the one end that second support arm (6) kept away from second support arm (13), all rotate in first bearing frame (7) and be equipped with supporting wheel (11), three supporting wheel (11) link to each other through abrasive band (10), supporting wheel (11) that are located second support arm (13) bottom are connected with actuating mechanism;

A support (16) is vertically arranged at one end of the base (1) close to the second support arm (13), a transmission screw (18) is movably arranged in the top of the support (16) in a penetrating manner, two ends of the transmission screw (18) extend to the outside of the support (16), a connecting seat (15) is arranged at one end of the transmission screw (18) close to the abrasive belt (10), a guide rod (17) is vertically arranged at the bottom of the connecting seat (15), the guide rod (17) is movably arranged on the support (16) in a penetrating manner, and a clamp (14) is arranged at one side, far away from the support (16), of the connecting seat (15);

The one end that abrasive band (10) was kept away from to driving screw (18) is gone up with the axle sleeve and is equipped with annular seat (26), annular seat (26) one side and support (16) side fixed connection, the cover is equipped with second installation cover (25) on annular seat (26) and the two rotates and link to each other, one side coaxial coupling that support (16) was kept away from to second installation cover (25) has first installation cover (19), first installation cover (19) and driving screw (18) threaded connection, coaxial annular runner (20) that are equipped with outside first installation cover (19), be connected through many connecting rods (21) between annular runner (20) and first installation cover (19).

2. Belt sander with progressive mechanism according to claim 1, characterized in that the clamp (14) is a vice clamp or chuck.

3. Belt sander with progressive mechanism according to claim 1, characterized in that the drive mechanism comprises a drive motor (3) arranged at one side of the U-shaped frame (24), the drive motor (3) is mounted on the base (1), the belt pulleys (2) are connected to the rotation shaft of the drive motor (3) and the end of the supporting wheel (11) at the bottom of the second supporting arm (13), and the two belt pulleys (2) are connected by a belt.

4. The belt sander with the progressive mechanism according to claim 1, wherein an adjusting screw (5) is arranged in the middle position in the U-shaped frame (24), the bottom of the adjusting screw (5) is rotationally connected with the base (1), the top of the adjusting screw (5) respectively penetrates through the first supporting arm (6) and the U-shaped frame (24), the U-shaped frame (24) is rotationally connected with the adjusting screw (5), and an adjusting motor (9) connected with the adjusting screw (5) is installed in the middle of the top surface of the first supporting arm (6);

Still be equipped with in U type frame (24) and remove seat (4), the rectangle mouth has all been seted up at the both ends of removing seat (4), and the rectangle mouth card is on the inner wall both sides of U type frame (24), installs second bearing seat (23) in the one end bottom that removes seat (4) and be close to supporting wheel (11), and pinch roller (22) are installed in the rotation of second bearing seat (23), and pinch roller (22) are located abrasive band (10) and press on abrasive band (10) internal surface.

5. Belt sander with progressive mechanism according to claim 1, characterized in that the end of the first support arm (6) remote from the second support arm (13) is horizontally equipped with a placement plate (8), which placement plate (8) is located at the side of the support wheel (11) with a gap between them.

6. Belt sander with progressive mechanism according to claim 1, characterized in that a support plate (12) parallel to the sanding belt (10) is connected to the side of the second support arm (13) remote from the first support arm (6), the support plate (12) being located on the side of the sanding belt (10) remote from the clamp (14).