Grinding device with tool bit convenient to replace

Abstract

The utility model discloses a grinding device convenient to replace a cutter bit, which comprises a case, a support is arranged on the rear side of the case, a lower shell is fixed on the support through a plurality of third fixing bolts, a telescopic cylinder and a third motor are arranged in the lower shell, a lower chuck is rotatably arranged on the lower shell, and a cutter bit is arranged on the lower chuck. A grinding cutter wheel is slidably installed in front of the lower chuck, an upper chuck is installed in front of the grinding cutter wheel, an upper shell is installed at the output end of the telescopic cylinder, a shaft seat is fixed to the rear portion of the upper shell, the shaft seat and the upper chuck are rotatably installed, a rotating shaft is connected between a main shaft of a third motor and the shaft seat, and the rotating shaft is connected with the grinding cutter wheel. And the rotating shaft penetrates through the lower chuck, the grinding cutter wheel and the upper chuck. According to the scheme, only the telescopic cylinder needs to be operated to push the upper shell to move forwards, and then the grinding cutter wheel can be conveniently taken down to be replaced.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical processing, in particular to a grinding device which is convenient for replacing a cutter head. Background Art

[0002] Grinding is a mechanical processing method for removing materials. It refers to the processing method of using abrasives and grinding tools to remove excess material from the workpiece. Grinding is one of the most widely used material removal methods.

[0003] The cutting process of the workpiece surface is carried out by using a high-speed rotating grinding wheel or other abrasive tools. Grinding is used to process the internal and external cylindrical surfaces, conical surfaces and planes of various workpieces, as well as special and complex forming surfaces such as threads, gears and splines. Because the hardness of the abrasive grains is very high and the abrasive tools are self-sharpening, grinding can be used to process various materials.

[0004] After searching, the Chinese patent application No. 202311639846.5 discloses a grinding device, including a feed table, the feed table is equipped with a base, the base is equipped with gear 2, gear 2 is meshed with gear 1, the rotation of gear 1 can drive gear 2 to rotate, a base assembly is installed on the upper end of gear 2, the base assembly is coaxially arranged with gear 2 and can rotate coaxially; a planetary gear assembly is arranged above the base assembly, the planetary gear assembly includes a support ring, a driven wheel is arranged on the inner side of the support ring, the driven wheel can rotate along its own axis and can revolve around the axis of the support ring, a connecting rod is connected to the inner side of the driven wheel, a grinding wheel is connected to the lower end of the connecting rod, a workpiece is installed on the base assembly, and the grinding wheel can grind the upper end surface of the workpiece; a driving wheel is arranged in the center of the support ring, the outer side of the driving wheel is meshed with the driven wheel, and a tooth portion is arranged on the inner side wall of the support ring, and the tooth portion of the support ring is meshed with the driven wheel. The grinding device in the above-mentioned document has the following shortcomings: the grinding wheel cannot be replaced very conveniently. Utility Model Content

[0005] The utility model aims to solve the shortcomings in the prior art and proposes a grinding device which is convenient for replacing a cutter head.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A grinding device for facilitating replacement of a tool head comprises a chassis, a bracket is installed on the rear side of the chassis, the bracket is fixed to a lower shell by a plurality of third fixing bolts, a telescopic cylinder and a third motor are installed inside the lower shell, a lower chuck is rotatably installed on the lower shell, a grinding wheel is slidably installed in front of the lower chuck, an upper chuck is installed in front of the grinding wheel, an upper shell is installed on the output end of the telescopic cylinder, a shaft seat is fixed at the rear of the upper shell, the shaft seat and the upper chuck are rotatably installed, a rotating shaft is connected between the main shaft of the third motor and the shaft seat, and the rotating shaft passes through the lower chuck, the grinding wheel and the upper chuck.

[0008] As a further solution of the utility model: a plurality of guide tubes are installed on the surface of the lower shell, and a plurality of guide plates are installed at corresponding positions of the upper shell, and the plurality of guide plates are slidably installed inside the guide tubes.

[0009] As a further solution of the utility model: a plurality of positioning plates are evenly arranged on the lower chuck, a plurality of positioning plates are provided with positioning holes, a plurality of positioning grooves are provided at positions corresponding to the grinding wheel, and a plurality of positioning bolts are provided at positions corresponding to the upper chuck.

[0010] As a further solution of the utility model: an end cover is installed at the rear end of the lower shell.

[0011] As a further solution of the utility model: a plurality of slide rails are provided on the upper surface of the chassis, and a first motor, a first slider, a base and a second motor are respectively installed on the plurality of slide rails; a plurality of screw rods are arranged above the chassis, wherein the screw rods arranged in the front-to-back direction are connected to the main shaft of the first motor, and the two screw rods arranged in the left-to-right direction are connected to the main shaft of the second motor; the base is connected to the first slider, and the base is installed on the screw rods arranged in the front-to-back direction, and a clamping mechanism is installed on the two screw rods arranged in the left-to-right direction.

[0012] As a further solution of the utility model: the clamping mechanism includes a clamp slider, the clamp slider is installed on the two screw rods arranged in the left and right directions, a slide rod is slidably installed on the clamp slider, a chuck is installed on the upper end of the slide rod, a plurality of sliding grooves are opened on the upper surface of the chuck, the chuck has two clamping blocks slidably installed through the sliding grooves, a first fixing bolt is respectively installed above the two clamping blocks, and a second fixing bolt is installed on the side of the clamp slider.

[0013] As a further solution of the utility model: a dust collecting chamber is provided inside the chassis and below the grinding wheel, and a cleaning door is provided on the outer wall of the chassis at a position corresponding to the dust collecting chamber.

[0014] The beneficial effects of the utility model are:

[0015] 1. According to the solution, the grinding wheel can be easily removed and replaced by simply operating the telescopic cylinder to push the upper shell forward.

[0016] 2. Through the scheme, with the cooperation of the guide tube and the guide plate, the stability of the mechanism is effectively maintained when the grinding wheel is replaced.

[0017] 3. Through the above scheme, the positioning plate and the positioning groove can facilitate the installation of the grinding wheel, and effectively prevent the relative rotation between the grinding wheel and the rotating shaft due to slipping during high-speed rotation; the positioning hole and the positioning bolt effectively fix the relative position of the upper and lower chucks, making the mechanism run more stably.

[0018] 4. Through the solution, the detachable end cover allows the operator to easily maintain the internal components of the lower shell.

[0019] 5. Through the scheme, the screw rods arranged in the front-back and left-right directions can adjust the position of the mounting mechanism under the drive of the motor, so as to facilitate the grinding of different positions of the grinding parts.

[0020] 6. Through the scheme, the vertical height of the chuck can be adjusted and horizontal rotation can be performed through the slide bar, the two clamping blocks cooperate to clamp the parts, and the first fixing bolt and the second fixing bolt fix the clamping block and the slide bar respectively.

[0021] 7. According to the scheme, a large amount of chips will be generated during grinding, and a dust collecting chamber is provided to collect the chips. Meanwhile, a cleaning door is provided to facilitate cleaning by the operator. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the structure of a grinding device for facilitating the replacement of a cutter head proposed by the utility model;

[0023] Figure 2 A schematic diagram of the structure of a grinding device for easily replacing a cutter head proposed by the utility model when replacing a grinding wheel;

[0024] Figure 3 This is an exploded view of a part of the mechanism of a grinding device for facilitating the replacement of a cutter head proposed by the utility model;

[0025] Figure 4 The utility model proposed Figure 1 Schematic diagram of the structure at point A.

[0026] In the figure: 1-chassis, 11-cleaning door, 12-dust collecting chamber, 13-first motor, 14-screw, 15-first slider, 16-base, 17-clamp slider, 171-slide bar, 172-chuck, 173-slide groove, 174-clamp block, 175-first fixing bolt, 176-second fixing bolt, 18-second motor, 19-bracket, 191-third fixing bolt, 2-lower shell, 201-end cover, 202-guide tube, 203-third motor, 204-lower chuck, 205-positioning plate, 206-positioning hole, 207-rotating shaft, 208-grinding wheel, 209-positioning groove, 210-positioning bolt, 211-upper chuck, 212-axle seat, 213-guide plate, 214-upper shell, 215-telescopic cylinder. DETAILED DESCRIPTION

[0027] The technical solution of the utility model is further described in detail below in conjunction with specific implementation methods.

[0028] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0029] Example 1

[0030] A grinding device for facilitating the replacement of a cutter head, such as Figure 1-3 As shown, it includes a chassis 1. In order to facilitate the replacement of the grinding tool, a bracket 19 is installed on the rear side of the chassis 1. The bracket 19 is fixed to the lower shell 2 by a plurality of third fixing bolts 191. A telescopic cylinder 215 and a third motor 203 are installed inside the lower shell 2. A lower chuck 204 is rotatably installed on the lower shell, a grinding wheel 208 is slidably installed in front of the lower chuck 204, and an upper chuck 211 is installed in front of the grinding wheel 208. An upper shell 214 is installed on the output end of the telescopic cylinder 215, a shaft seat 212 is fixed to the rear of the upper shell 214, and the shaft seat 212 and the upper chuck 211 are rotatably installed. A rotating shaft 207 is connected between the main shaft of the third motor 203 and the shaft seat 212, and the rotating shaft 207 runs through the lower chuck 204, the grinding wheel 208 and the upper chuck 211.

[0031] According to the solution, the grinding wheel can be easily removed and replaced by simply operating the telescopic cylinder to push the upper shell forward.

[0032] The device is further configured such that a plurality of guide tubes 202 are mounted on the surface of the lower shell 2, a plurality of guide plates 213 are mounted at corresponding positions of the upper shell 214, and the plurality of guide plates 213 are slidably mounted inside the guide tubes 202.

[0033] Through the solution, with the cooperation of the guide tube and the guide plate, the stability of the mechanism is effectively maintained when the grinding wheel is replaced.

[0034] The device is further configured such that a plurality of positioning plates 205 are evenly arranged on the lower chuck 204, a plurality of positioning plates are provided with positioning holes 206, a plurality of positioning grooves 209 are provided at positions corresponding to the grinding wheel 208, and a plurality of positioning bolts 210 are provided at positions corresponding to the upper chuck 211.

[0035] Through the scheme, the positioning plate and the positioning groove can facilitate the installation of the grinding wheel, and effectively prevent relative rotation between the grinding wheel and the rotating shaft due to slipping during high-speed rotation; the positioning hole and the positioning bolt effectively fix the relative position of the upper and lower chucks, making the mechanism run more stably.

[0036] The device is further configured such that an end cover 201 is installed at the rear end of the lower shell 2.

[0037] Through the solution, the detachable end cover allows the operator to easily maintain the internal components of the lower shell.

[0038] The device is further configured as follows: Figure 1 As shown, a plurality of slide rails are provided on the upper surface of the chassis 1, and a first motor 13, a first slider 15, a base 16 and a second motor 18 are respectively installed on the plurality of slide rails, and a plurality of screw rods 14 are arranged above the chassis 1, wherein the screw rods 14 arranged in the front-to-back direction are connected to the main shaft of the first motor 13, and the two screw rods 14 arranged in the left-to-right direction are connected to the main shaft of the second motor 18, the base 16 is connected to the first slider 15, and the base 16 is installed on the screw rods 14 arranged in the front-to-back direction, and a clamping mechanism is installed on the two screw rods 14 arranged in the left-to-right direction.

[0039] Through the scheme, the screw rods arranged in the front-back and left-right directions can adjust the position of the mounting mechanism under the drive of the motor, so as to facilitate the grinding of different positions of the grinding parts.

[0040] The device is further configured such that the clamping mechanism includes a clamp slider 17, and the clamp slider 17 is installed on the two screw rods 14 arranged in the left and right directions. A slide rod 171 is slidably installed on the clamp slider 17, and a chuck 172 is installed on the upper end of the slide rod 171. A plurality of slide grooves 173 are provided on the upper surface of the chuck 172. The chuck 172 is slidably installed with two clamping blocks 174 through the slide grooves 173. First fixing bolts 175 are respectively installed above the two clamping blocks 174, and a second fixing bolt 176 is installed on the side of the clamp slider 17.

[0041] According to the scheme, the vertical height of the chuck can be adjusted and horizontal rotation can be performed through the slide bar, the two clamping blocks cooperate to clamp the parts, and the first fixing bolt and the second fixing bolt fix the clamping block and the slide bar respectively.

[0042] The device is further configured such that a dust collecting chamber 12 is provided inside the chassis 1 below the grinding wheel 208 , and a cleaning door 11 is provided on the outer wall of the chassis 1 at a position corresponding to the dust collecting chamber 12 .

[0043] According to the scheme, a large amount of chips are generated during grinding, and a dust collecting chamber is provided to collect the chips. Meanwhile, a cleaning door is provided to facilitate cleaning by the operator.

[0044] Working principle: first fix the part above the chuck 172, fix it through the clamp block 174, and then adjust the height to a suitable position through the slide bar 171, and then turn on the third motor 203. At this time, the grinding wheel 208 starts to rotate at high speed to grind the part. At the same time, the operator controls the first motor 13 and the second motor 18 to cooperate with each other to move the clamping mechanism horizontally, so that all parts of the part are fully ground; when the grinding wheel 208 needs to be replaced, the telescopic cylinder 215 pushes the upper shell 214 forward. At this time, the grinding wheel 208 can be removed, and then the new grinding wheel 208 is installed through the positioning groove 209 and the positioning plate 206. After the installation is completed, the telescopic rod 215 drives the upper shell to reset.

[0045] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A grinding device for facilitating the replacement of a cutter head, comprising a housing (1), characterized in that: A bracket (19) is installed on the rear side of the chassis (1), and the bracket (19) is fixed to the lower shell (2) by a plurality of third fixing bolts (191). A telescopic cylinder (215) and a third motor (203) are installed inside the lower shell (2). A lower chuck (204) is rotatably installed on the lower shell, and a grinding wheel (208) is slidably installed in front of the lower chuck (204). An upper chuck (211) is installed in front of the grinding wheel (208). ), an upper shell (214) is installed at the output end of the telescopic cylinder (215), a shaft seat (212) is fixed at the rear of the upper shell (214), the shaft seat (212) and the upper chuck (211) are rotatably installed, a rotating shaft (207) is connected between the main shaft of the third motor (203) and the shaft seat (212), and the rotating shaft (207) passes through the lower chuck (204), the grinding wheel (208) and the upper chuck (211).

2. A grinding device for facilitating the replacement of a cutter head according to claim 1, characterized in that: A plurality of guide tubes (202) are installed on the surface of the lower shell (2), and a plurality of guide plates (213) are installed at corresponding positions of the upper shell (214). The plurality of guide plates (213) are slidably installed inside the guide tubes (202).

3. A grinding device for facilitating the replacement of a cutter head according to claim 2, characterized in that: A plurality of positioning plates (205) are evenly arranged on the lower chuck (204), and positioning holes (206) are provided on the plurality of positioning plates. A plurality of positioning grooves (209) are provided at positions corresponding to the grinding wheel (208), and a plurality of positioning bolts (210) are provided at positions corresponding to the upper chuck (211).

4. A grinding device for facilitating the replacement of a cutter head according to claim 3, characterized in that: An end cover (201) is installed at the rear end of the lower shell (2).

5. A grinding device for facilitating the replacement of a cutter head according to claim 4, characterized in that: A plurality of slide rails are provided on the upper surface of the chassis (1), and a first motor (13), a first slider (15), a base (16) and a second motor (18) are respectively installed on the plurality of slide rails. A plurality of screw rods (14) are arranged above the chassis (1), wherein the screw rods (14) arranged in the front-to-back direction are connected to the main shaft of the first motor (13), and the two screw rods (14) arranged in the left-to-right direction are connected to the main shaft of the second motor (18). The base (16) is connected to the first slider (15), and the base (16) is installed on the screw rods (14) arranged in the front-to-back direction, and a clamping mechanism is installed on the two screw rods (14) arranged in the left-to-right direction.

6. A grinding device for facilitating the replacement of a cutter head according to claim 5, characterized in that: The clamping mechanism includes a clamp slider (17), and the clamp slider (17) is installed on two of the screw rods (14) arranged in the left and right directions. A slide rod (171) is slidably installed on the clamp slider (17), and a clamping plate (172) is installed on the upper end of the slide rod (171). A plurality of slide grooves (173) are opened on the upper surface of the clamping plate (172). The clamping plate (172) is slidably installed with two clamping blocks (174) through the slide grooves (173), and a first fixing bolt (175) is respectively installed on the top of the two clamping blocks (174), and a second fixing bolt (176) is installed on the side of the clamp slider (17).

7. A grinding device for facilitating the replacement of a cutter head according to claim 6, characterized in that: A dust collecting chamber (12) is provided inside the chassis (1) below the grinding wheel (208), and a cleaning door (11) is provided on the outer wall of the chassis (1) at a position corresponding to the dust collecting chamber (12).

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