Shearing machine for plastic product processing

Abstract

The utility model discloses a shearing machine for processing plastic products, relates to the technical field of injection molding, and aims to solve the problems that the whole device needs to be frequently moved to the surface of an injection molding part, the injection molding part with smaller specification cannot be sheared, the practicability is low, dust generated during grinding is not treated, and the production cost is low in the background technology. In order to solve the problems that dust drifts to the external environment and the environmental protection property is poor in the prior art, the utility model provides the following scheme that the device comprises a base and an injection molding part, and two clamping mechanisms are arranged at the top of the base; the clamping mechanism comprises a mounting base connected to the outer wall of the top of the base through a bolt, a clamping air cylinder connected to the outer wall of one side of the mounting base through a bolt, and a mounting plate slidably arranged on the outer wall of the top of the base in a sleeving mode. According to the injection molding part polishing device, injection molding parts of different specifications and different shapes can be rapidly clamped and fixed, the device does not need to be moved to the injection molding parts, practicability is improved, dust generated during polishing can be collected, the dust is prevented from drifting to the external environment, and environmental friendliness is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of injection molding, in particular to a shearing machine for processing plastic products. Background Art

[0002] Injection molding is a method of producing industrial products. Products usually use rubber injection molding and plastic injection molding. Injection molding can also be divided into injection molding and die casting. After the injection molding of the plastic product is completed, there will be a sprue left on the plastic product. During the production process, the sprue needs to be sheared.

[0003] After searching, a Chinese patent (application number is "202023170233.6") discloses "a device for cutting out a water nozzle of an injection molded plastic product". The device includes a base, a cutting groove is provided on the base, and two sliding blocks are slidably installed in the cutting groove, one of the sliding blocks is provided with a cutting knife for cutting, and the other sliding block is provided with a knife seat adapted to the cutting knife, a mounting frame is provided on the base, and sliding grooves are provided on both sides of the inner wall of the mounting frame, and sliding seats are slidably installed in the two sliding grooves, and a first connecting plate is arranged between the two sliding seats, and one end of a movable rod is rotatably installed on the sliding seat, and the other end of the movable rod is rotatably connected to the sliding block located on the same side as the sliding seat. However, the above device has the following problems during use:

[0004] 1. When cutting the nozzle of the injection molded part, it is necessary to frequently move the device as a whole to the surface of the injection molded part, and it is impossible to cut the injection molded parts with smaller specifications, which has low practicality;

[0005] 2. When grinding the shear residue of the injection molded part nozzle, the dust generated during grinding was not treated, causing the dust to drift into the external environment, which is environmentally friendly. Utility Model Content

[0006] The utility model provides a shearing machine for processing plastic products, which solves the problem that the device needs to be frequently moved as a whole to the surface of the injection molded part, and is unable to shear the injection molded parts with smaller specifications, has low practicality, does not process the dust generated during grinding, causing the dust to float into the external environment, and has poor environmental protection.

[0007] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0008] A shearing machine for processing plastic products, comprising a base and an injection molded part, wherein the top of the base is provided with two clamping mechanisms, wherein the clamping mechanism comprises a mounting seat connected to the outer wall of the top of the base by bolts, a clamping cylinder connected to the outer wall of one side of the mounting seat by bolts, a mounting plate slidably sleeved on the outer wall of the top of the base and a clamping seat abutting against the outer wall of one side of the mounting plate, and the upper part of one side of the two mounting plates is provided with a shearing assembly, wherein the shearing assembly comprises a shearing cylinder connected to the outer wall of the upper part of one side of the mounting plate by bolts, a fixing plate connected to the outer wall of one end of the piston rod of the shearing cylinder by bolts, a fixing block fixedly arranged on the lower outer wall of one side of the fixing plate, a shearing knife abutting against the outer wall of the bottom of the fixing block, and three fixing rods respectively fixedly arranged on the outer wall of the top of the shearing knife. A mounting mechanism is provided on the top of the base, and the mounting mechanism includes a mounting frame connected to the outer wall of the top of the base by bolts, and a grinding assembly is provided on the top of the mounting frame, and the grinding assembly includes two lifting cylinders connected to the outer wall of the top of the mounting frame by bolts, respectively, a connecting plate connected to the outer walls of the bottom ends of the piston rods of the two lifting cylinders by bolts, a mounting block fixed on the outer wall of one side of the bottom of the connecting plate, and a grinding motor and a grinding roller connected to the outer wall of one side of the mounting block by bolts; a dust removal mechanism is provided on one side of the mounting frame, and the dust removal mechanism includes a dust collecting box connected to the outer wall of one side of the mounting frame by bolts, a filter screen embedded in the dust collecting box, a fan connected to the outer wall of one side of the dust collecting box by bolts, and a dust collecting hood connected to the outer wall of the top of the connecting plate by bolts.

[0009] Preferably, a connecting piece is connected to the outer wall of one end of the clamping cylinder piston rod by bolts, and the connecting piece is connected to the outer wall of one side of the mounting plate by bolts, four slideways are opened on the outer wall of one side of the mounting plate, four connecting rods are fixed on the outer wall of one side of the clamping seat, and the four connecting rods are respectively slidably mounted in the four slideways, and fastening nuts are threaded on the outer walls of one end of the four connecting rods.

[0010] Preferably, two channels are opened on the upper outer wall of one side of the mounting plate, two limit rods are fixedly provided on the outer wall of one side of the fixing plate, and the two limit rods are respectively slidably installed in two slideways, and fixing nuts are screwed on the upper outer walls of the three limit rods.

[0011] Through the above scheme, the piston rod of the clamping cylinder moves to drive the mounting plate and the clamping seat to move, so that the two clamping seats approach each other and clamp and fix the injection molded part. Then the two shearing cylinders are actuated, and the shearing cylinders drive the shearing knives to move. The two shearing knives approach each other and shear the water outlet on the injection molded part.

[0012] Preferably, two support columns are fixedly provided on the top inner wall of the installation frame, and the two support columns are respectively connected to the top outer wall of the base by bolts.

[0013] Preferably, a through hole is opened on the outer wall of one side of the mounting frame, and the connecting plate is slidably sleeved in the through hole, a connecting shaft is connected to the outer wall of one end of the output shaft of the grinding motor through a coupling, and the grinding roller is fixed on the outer wall of the connecting shaft, a connecting block is fixed on the outer wall of one side of the bottom of the connecting plate, and one end of the connecting shaft is connected to the outer wall of one side of the connecting block through a bearing.

[0014] Preferably, a box cover is connected to the top outer wall of the dust box by bolts, and a delivery pipe is fixedly provided on the bottom outer wall of the box cover, one end of the delivery pipe passes through and is slidably mounted on the top inner wall of the mounting frame, and the delivery pipe passes through and is fixedly mounted on the top inner wall of the dust cover.

[0015] Through the above scheme, the piston rods of the two lifting cylinders descend to drive the connecting plate, the grinding motor and the grinding roller to descend, the grinding roller contacts the remaining water outlet, and the output shaft of the grinding motor rotates to drive the grinding roller to rotate and grind the remaining water outlet. At the same time, the fan runs to suck the dust generated during grinding into the dust collecting hood, and then transports the dust into the dust collecting box through the conveying pipe.

[0016] The beneficial effects of the utility model are:

[0017] 1. A clamping mechanism and a shearing assembly are provided. The movement of the piston rod of the clamping cylinder drives the mounting plate and the clamping seat to move, so that the two clamping seats are close to each other and clamp the injection molded part. Then the two shearing cylinders are actuated, and the shearing cylinders drive the shearing knives to move. The two shearing knives are close to each other and shear the sprue on the injection molded part. The injection molded parts of different specifications and shapes can be clamped and fixed quickly without moving the device to the injection molded part, thereby improving practicality.

[0018] 2. A grinding component and a dust removal mechanism are provided. The piston rods of the two lifting cylinders descend to drive the connecting plate, the grinding motor and the grinding roller to descend. The grinding roller contacts the remaining water inlet. The output shaft of the grinding motor rotates to drive the grinding roller to rotate and grind the remaining water inlet. At the same time, the fan runs to suck the dust generated during grinding into the dust collecting hood, and then transports the dust into the dust collecting box through the conveying pipe. The dust generated during grinding can be collected to prevent the dust from drifting into the external environment, thereby improving environmental protection.

[0019] In summary, the utility model can quickly clamp and fix injection molded parts of different specifications and shapes without moving the device to the injection molded parts, thereby improving practicality, and can collect dust generated during grinding to prevent dust from drifting into the external environment, thereby improving environmental protection. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 The utility model is a schematic diagram of the overall three-dimensional structure of a shearing machine for processing plastic products.

[0021] Figure 2 The utility model is a schematic diagram of the clamping mechanism structure of a shearing machine for processing plastic products.

[0022] Figure 3 The utility model is a schematic diagram of the side view of the clamping mechanism of a shearing machine for processing plastic products.

[0023] Figure 4 The utility model is a schematic diagram of the shearing component structure of a shearing machine for processing plastic products.

[0024] Figure 5 The utility model is a schematic diagram of the installation mechanism structure of a shearing machine for processing plastic products.

[0025] Figure 6 The utility model is a schematic diagram of the structure of a grinding component of a shearing machine for processing plastic products.

[0026] Figure 7 The utility model is a partial cross-sectional structural diagram of a dust removal mechanism of a shearing machine for processing plastic products.

[0027] In the figure: 1. base; 2. clamping mechanism; 201. mounting seat; 202. clamping cylinder; 203. connecting piece; 204. mounting plate; 205. clamping seat; 206. connecting rod; 3. shearing assembly; 301. shearing cylinder; 302. fixing plate; 303. limiting rod; 304. fixing block; 305. shearing knife; 306. fixing rod; 4. injection molded part; 5. mounting mechanism; 501. mounting frame; 502. supporting column; 6. grinding assembly; 601. lifting cylinder; 602. connecting plate; 603. mounting block; 604. grinding motor; 605. connecting shaft; 606. grinding roller; 607. connecting block; 7. dust removal mechanism; 701. dust collecting box; 702. box cover; 703. filter; 704. fan; 705. conveying pipe; 706. dust collecting hood. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0029] Example 1, reference Figure 1-3A shearing machine for processing plastic products comprises a base 1 and an injection molded part 4. Two clamping mechanisms 2 are arranged on the top of the base 1. The clamping mechanism 2 comprises a mounting seat 201 connected to the outer wall of the top of the base 1 by bolts, a clamping cylinder 202 connected to the outer wall of one side of the mounting seat 201 by bolts, a mounting plate 204 slidably sleeved on the outer wall of the top of the base 1, and a clamping seat 205 abutting against the outer wall of one side of the mounting plate 204. A connecting member 203 is bolted to the outer wall of one end of the piston rod of the clamping cylinder 202. The connecting member 203 is bolted to the outer wall of one side of the mounting plate 204. Four slideways are provided on the outer wall of one side of the mounting plate 204. A V-shaped groove is provided on the middle outer wall of one side of the clamping seat 205 in the height direction. Anti-slip grooves distributed at equal distances are provided in the V-shaped groove and at the plane position of the clamping seat 205. Four connecting rods 206 are fixed on the outer wall of one side of the clamping seat 205. The four connecting rods 206 are respectively slidably sleeved on four The upper part of one side of the two mounting plates 204 is provided with a shearing assembly 3, and the shearing assembly 3 includes a shearing cylinder 301 connected to the upper outer wall of one side of the mounting plate 204 by bolts, a fixing plate 302 connected to the outer wall of one end of the piston rod of the shearing cylinder 301 by bolts, a fixing block 304 fixed on the lower outer wall of one side of the fixing plate 302, a shearing knife 305 abutting on the bottom outer wall of the fixing block 304, and three fixing rods 306 respectively fixed on the outer wall of the top of the shearing knife 305. Two channels are opened on the upper outer wall of one side of the mounting plate 204, and two limiting rods 303 are fixed on the outer wall of one side of the fixing plate 302. The two limiting rods 303 are respectively slidably installed in the two slides, and the upper outer walls of the three limiting rods 303 are screwed with fixing nuts. The two sides of the injection molded part 4 are respectively in contact with the two clamping seats 205.

[0030] Example 2, reference Figure 1 and 4, a shearing machine for processing plastic products, also includes a mounting mechanism 5, the mounting mechanism 5 includes a mounting frame 501 connected to the top outer wall of the base 1 by bolts, two support columns 502 are fixedly arranged on the top inner wall of the mounting frame 501, and the two support columns 502 are respectively connected to the top outer wall of the base 1 by bolts, and a grinding assembly 6 is provided on the top of the mounting frame 501, and the grinding assembly 6 includes two lifting cylinders 601 respectively connected to the top outer wall of the mounting frame 501 by bolts, a connecting plate 602 connected to the outer wall of the bottom ends of the piston rods of the two lifting cylinders 601 by bolts, a mounting block 603 fixed on the outer wall of one side of the bottom of the connecting plate 602, a grinding motor 604 and a grinding roller 606 connected to the outer wall of one side of the mounting block 603 by bolts, a through hole is opened on the outer wall of one side of the mounting frame 501, and the connecting plate 602 is slidably sleeved in the through hole, and a through hole is opened on the outer wall of one end of the output shaft of the grinding motor 604 A connecting shaft 605 is connected through a coupling, and a grinding roller 606 is fixed on the outer wall of the connecting shaft 605. A connecting block 607 is fixed on the outer wall of one side of the bottom of the connecting plate 602. One end of the connecting shaft 605 is connected to the outer wall of one side of the connecting block 607 through a bearing. A dust removal mechanism 7 is provided on one side of the mounting frame 501. The dust removal mechanism 7 includes a dust collecting box 701 connected to the outer wall of one side of the mounting frame 501 by bolts, a filter screen 703 embedded in the dust collecting box 701, a fan 704 connected to the outer wall of one side of the dust collecting box 701 by bolts, and a dust collecting cover 706 connected to the outer wall of the top of the connecting plate 602 by bolts. A box cover 702 is connected to the outer wall of the top of the dust collecting box 701 by bolts. A conveying pipe 705 is fixed on the outer wall of the bottom of the box cover 702. One end of the conveying pipe 705 passes through and is slidably mounted on the inner wall of the top of the mounting frame 501. The conveying pipe 705 passes through and is fixed on the inner wall of the top of the dust collecting cover 706.

[0031] Working principle: The movement of the piston rod of the clamping cylinder 202 drives the mounting plate 204 and the clamping seat 205 to move, so that the two clamping seats 205 approach each other and clamp and fix the injection molded part 4, then the two shearing cylinders 301 are actuated, the shearing cylinder 301 drives the shearing knife 305 to move, the two shearing knives 305 approach each other and shear the water outlet on the injection molded part 4, the piston rods of the two lifting cylinders 601 descend, driving the connecting plate 602, the grinding motor 604 and the grinding roller 606 to descend, the grinding roller 606 contacts the remaining water outlet, the output shaft of the grinding motor 604 rotates, driving the grinding roller 606 to rotate and grind the remaining water outlet, and at the same time, the fan 704 runs to suck the dust generated during grinding into the dust collecting hood 706, and then the dust is transported into the dust collecting box 701 through the conveying pipe 705.

[0032] 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 shearing machine for processing plastic products, comprising a base (1) and an injection molded part (4), characterized in that: Two clamping mechanisms (2) are provided on the top of the base (1), and the clamping mechanism (2) comprises a mounting seat (201) connected to the outer wall of the top of the base (1) by bolts, a clamping cylinder (202) connected to the outer wall of one side of the mounting seat (201) by bolts, a mounting plate (204) slidably sleeved on the outer wall of the top of the base (1), and a clamping seat (205) abutting against the outer wall of one side of the mounting plate (204); A shearing assembly (3) is provided at the upper part of one side of the two mounting plates (204), and the shearing assembly (3) comprises a shearing cylinder (301) connected to the upper outer wall of one side of the mounting plate (204) by bolts, a fixing plate (302) connected to the outer wall of one end of the piston rod of the shearing cylinder (301) by bolts, a fixing block (304) fixed to the lower outer wall of one side of the fixing plate (302), a shearing knife (305) abutting against the bottom outer wall of the fixing block (304), and three fixing rods (306) respectively fixed to the top outer walls of the shearing knife (305); The top of the base (1) is provided with a mounting mechanism (5), and the mounting mechanism (5) comprises a mounting frame (501) connected to the outer wall of the top of the base (1) by bolts; A grinding assembly (6) is provided at the top of the installation frame (501), and the grinding assembly (6) comprises two lifting cylinders (601) respectively connected to the outer wall of the top of the installation frame (501) by bolts, a connecting plate (602) connected to the outer wall of the bottom ends of the piston rods of the two lifting cylinders (601) by bolts, a mounting block (603) fixedly arranged on the outer wall of one side of the bottom of the connecting plate (602), and a grinding motor (604) and a grinding roller (606) connected to the outer wall of one side of the mounting block (603) by bolts; A dust removal mechanism (7) is provided on one side of the installation frame (501), and the dust removal mechanism (7) comprises a dust collecting box (701) connected to the outer wall of one side of the installation frame (501) by bolts, a filter (703) embedded in the dust collecting box (701), a fan (704) connected to the outer wall of one side of the dust collecting box (701) by bolts, and a dust collecting cover (706) connected to the outer wall of the top of the connecting plate (602) by bolts.

2. A shearing machine for processing plastic products according to claim 1, characterized in that: A connecting piece (203) is connected to the outer wall of one end of the piston rod of the clamping cylinder (202) by bolts, and the connecting piece (203) is connected to the outer wall of one side of the mounting plate (204) by bolts. Four slideways are opened on the outer wall of one side of the mounting plate (204). Four connecting rods (206) are fixedly arranged on the outer wall of one side of the clamping seat (205), and the four connecting rods (206) are respectively slidably sleeved in the four slideways. A fastening nut is screwed on the outer wall of one end of the four connecting rods (206).

3. A shearing machine for processing plastic products according to claim 1, characterized in that: Two channels are opened on the upper outer wall of one side of the mounting plate (204), two limit rods (303) are fixedly arranged on the outer wall of one side of the fixing plate (302), and the two limit rods (303) are slidably installed in the two slideways respectively, and fixing nuts are screwed on the upper outer walls of the three limit rods (303).

4. A shearing machine for processing plastic products according to claim 1, characterized in that: Two support columns (502) are fixedly arranged on the top inner wall of the installation frame (501), and the two support columns (502) are respectively connected to the top outer wall of the base (1) by bolts.

5. A shearing machine for processing plastic products according to claim 1, characterized in that: A through hole is formed on the outer wall of one side of the installation frame (501), and a connecting plate (602) is slidably sleeved in the through hole. A connecting shaft (605) is connected to the outer wall of one end of the output shaft of the grinding motor (604) via a coupling, and a grinding roller (606) is fixedly mounted on the outer wall of the connecting shaft (605). A connecting block (607) is fixedly mounted on the outer wall of one side of the bottom of the connecting plate (602), and one end of the connecting shaft (605) is connected to the outer wall of one side of the connecting block (607) via a bearing.

6. A shearing machine for processing plastic products according to claim 1, characterized in that: The top outer wall of the dust collecting box (701) is connected to a box cover (702) by bolts, and a conveying pipe (705) is fixedly arranged on the bottom outer wall of the box cover (702), one end of the conveying pipe (705) passes through and is slidably sleeved on the top inner wall of the installation frame (501), and the conveying pipe (705) passes through and is fixedly arranged on the top inner wall of the dust collecting cover (706).

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