CN213005481U - Blank cold cutting device of plastic extrusion blow hollow forming machine - Google Patents
Blank cold cutting device of plastic extrusion blow hollow forming machine Download PDFInfo
- Publication number
- CN213005481U CN213005481U CN202021622565.0U CN202021622565U CN213005481U CN 213005481 U CN213005481 U CN 213005481U CN 202021622565 U CN202021622565 U CN 202021622565U CN 213005481 U CN213005481 U CN 213005481U
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- Prior art keywords
- frame
- knife
- cylinder
- groove
- extrusion blow
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 229920003023 plastic Polymers 0.000 title claims abstract description 20
- 239000004033 plastic Substances 0.000 title claims abstract description 20
- 238000001125 extrusion Methods 0.000 title claims abstract description 8
- 238000007493 shaping process Methods 0.000 claims abstract description 29
- 238000010101 extrusion blow moulding Methods 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000007664 blowing Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
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- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
A blank cold cutting device of a plastic extrusion blow hollow forming machine comprises a knife carrier, a cylinder, a gear and a shaping frame, wherein the knife carrier is a frame-shaped track frame, the cylinder is fixed on the rear frame of the knife carrier, the telescopic rod of the cylinder faces the front frame of the knife carrier, the frames at the two sides of the knife carrier are connected with sliders in a sliding way, a knife holder is arranged between the two sliders, the end of the telescopic rod of the cylinder is connected with the knife holder, a cold knife is arranged on the knife holder, the outer side surface of the knife carrier is connected with a first rack on the slider, the two sides of the knife carrier are respectively provided with a gear meshed with the first rack outside, a fixed rail groove parallel to the frames at the two sides of the knife carrier is arranged in front of the outer side of the front frame of the knife carrier, the utility model adopts a cold knife, saves energy and is not easy to damage, the cylinder pushes the slider to move on the knife carrier, the slider drives the cold knife carrier to move, and drives the shaping frame to, so that the cold knife and the shaping frame relatively move to cut the blank.
Description
Technical Field
The utility model relates to a plastic products field especially relates to a blank cold cutting device of crowded hollow forming machine that blows of plastics.
Background
In the production of plastic hollow containers, plastic extrusion blow molding machines are one of the major production facilities. The plastic extrusion system comprises a material barrel, a screw rod is installed in the material barrel and driven by power, the material barrel is connected with a die head, after a blank is extruded by the die head, the blank needs to be cut off by a cutter, a traditional blank cutter is generally a hot cutter, the hot cutter needs to be heated, the power consumption is large, the cutter is easy to damage and troublesome to replace, and the production is delayed by shutdown replacement.
Disclosure of Invention
The utility model provides a blank cold cutting device of a plastic extrusion blow hollow molding machine for solving the problems.
The utility model discloses the technical scheme who takes:
a blank cold cutting device of a plastic extrusion blow hollow forming machine comprises a knife carrier supported on a forming machine frame, an air cylinder, a gear and a shaping frame sliding on the forming machine frame, wherein the knife carrier is a frame-shaped track frame, the air cylinder is fixed on a rear frame of the knife carrier, a telescopic rod of the air cylinder faces a front frame of the knife carrier, two side frames of the knife carrier are connected with sliding blocks in a sliding manner, a knife seat is arranged between the two sliding blocks, the end of the telescopic rod of the air cylinder is connected with the knife seat, a cold knife is arranged on the knife seat, a first rack is connected on the outer side surface of the knife carrier on the sliding block, gears meshed with the first rack are respectively arranged outside the two side frames of the knife carrier, a fixed rail groove parallel to the two side frames of the knife carrier is arranged in front of the outer side of the front frame of the knife carrier, supporting blocks are fixed on two sides of the bottom of the shaping frame, the shaping frame is connected on the fixed rail groove in a sliding manner through the, the two sides of the side face, facing the front frame of the knife travel frame, of the shaping frame are connected with supporting plates, second racks are connected onto the supporting plates, and the second racks are meshed with the gears.
The end of the telescopic rod of the cylinder is connected with a clamping head, a connecting plate is arranged in the middle of the clamping head, one side of the connecting plate is connected with the annular sleeve, and the other side of the connecting plate is fixed with two clamping heads which are connected with the tool apron through the clamping heads.
The tool apron is fixed on the top of the sliding block through the connecting sheet, and the cold knife on the tool apron is parallel to the upper part of the knife traveling frame.
The connecting piece is respectively connected with the sliding block and the rear part of the tool apron through screws.
The first rack and the second rack are respectively positioned on two sides of the gear and meshed with the gear.
The fixed groove is a semi-arc groove.
The outer side of the semi-circular arc-shaped groove of the fixed groove is a square groove, the square groove and the semi-circular arc-shaped groove form an integral fixed groove, and the depth of the fixed groove is the same as the diameter of the plastic extrusion-blowing hollow part.
The utility model has the advantages that: the utility model discloses a cutter adopts cold knife, and the energy saving is not fragile simultaneously, and the cylinder promotes the slider and moves on the sword line frame, utilizes rack and gear engagement to drive the setting frame and be close to the sword line frame when the slider drives cold sword and removes for cold sword and setting frame relative movement cutting blank.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Wherein: 1-a shaping frame; 2-a cylinder; 3-a ring sleeve; 4-rear frame; 5-side frame; 6-a slide block; 7-a first rack; 8-gear; 9-a second rack; 10-a supporting plate; 11-fixed rail groove; 12-a shaping frame; 13-a fixed groove; 14-connecting pieces; 15-screws; 16-a tool apron; 17-cooling the cutter; 18-a chuck; 19-a connecting plate; 20-front frame.
Detailed Description
A blank cold cutting device of a plastic extrusion blow hollow forming machine comprises a cutter frame 1 supported on a forming machine frame, a cylinder 2, a gear 8 and a shaping frame 12 sliding on the forming machine frame, wherein the cutter frame 1 is a frame-shaped track frame, the cylinder 2 is fixed on a rear frame 4 of the cutter frame 1, a telescopic rod of the cylinder 2 faces a front frame 20 of the cutter frame 1, two side frames 5 of the cutter frame 1 are connected with sliders 6 in a sliding manner, a cutter holder 16 is arranged between the two sliders 6, the end of the telescopic rod of the cylinder 2 is connected with the cutter holder 16, a cold cutter 17 is arranged on the cutter holder 16, the outer side surface of the cutter frame 1 on the slider 6 is connected with a first rack 7, the gear 8 meshed with the first rack 7 is respectively arranged outside the two side frames 5 of the cutter frame 1, a fixed track groove 11 parallel to the two side frames 5 of the cutter frame 1 is arranged in front of the outer side of the front frame 20 of the cutter frame 1, two sides of the bottom of the shaping frame 12 are fixed, the shaping frame 12 is connected to the fixed rail groove 11 in a sliding mode through the supporting block, the shaping groove 13 is formed in the side face, facing the front frame 20 of the knife carrier 1, of the shaping frame 12, the supporting plate 10 is connected to two sides of the side face, facing the front frame 20 of the knife carrier 1, of the shaping frame 12, the second rack 9 is connected to the supporting plate 10, and the second rack 9 is meshed with the gear 8.
The telescopic rod end of the cylinder 2 is connected with a clamping head, a connecting plate 19 is arranged in the middle of the clamping head, one side of the connecting plate 19 is connected with the annular sleeve 3, the annular sleeve 3 is connected with the telescopic rod of the cylinder 2, and two clamping heads 18 are fixed on the other side of the connecting plate 19 and are connected with the tool apron 16 through the clamping heads 18.
The tool apron 16 is fixed on the top of the sliding block 6 through a connecting piece 14, and a cold knife 17 on the tool apron 16 is parallel to the upper part of the knife carrier 1.
The connecting piece 14 is respectively connected with the rear parts of the sliding block 6 and the tool holder 16 through screws 15.
The first rack 7 and the second rack 9 are respectively positioned at two sides of the gear 8 and meshed with the gear 8.
The shaping groove 13 is a semi-arc groove.
The outer side of the semi-circular arc-shaped groove of the shaping groove 13 is a square groove, the square groove and the semi-circular arc-shaped groove form an integral shaping groove 13, and the depth of the shaping groove 13 is the same as the diameter of the plastic extrusion-blowing hollow part.
When the cutting tool is used, an extruded hollow tube is arranged between a front frame 20 and a shaping frame 12 of a tool travelling frame 1, the hollow tube faces a shaping groove 13, when a hollow tube blank needs to be cut, a telescopic rod of an air cylinder 2 is pushed out to drive a sliding block 6 to slide back and forth on a side frame 5, a tool apron 16 between the two sliding blocks 6 is connected with the telescopic rod of the air cylinder 2 through a clamping head, the air cylinder 2 pushes a cold tool to move towards the front frame 20, meanwhile, a first rack 7 on the outer side of the sliding block 6 is meshed with a gear 8 to drive the gear 8 to rotate, the gear 8 rotates to drive a second rack 9 to move, the second rack 9 drives the shaping frame 12 to move towards the front frame 20, and the cold tool 17 and the shaping frame 12 cut off.
The embodiments of the present invention have been described in detail, but the description is only for the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.
Claims (7)
1. A blank cold cutting device of a plastic extrusion blow hollow forming machine is characterized by comprising a knife slide frame (1) supported on a forming machine frame, a cylinder (2), a gear (8) and a shaping frame (12) sliding on the forming machine frame, wherein the knife slide frame (1) is a frame-shaped track frame, the cylinder (2) is fixed on a rear frame (4) of the knife slide frame (1), an expansion link of the cylinder (2) faces a front frame (20) of the knife slide frame (1), slide blocks (6) are connected on two side frames (5) of the knife slide frame (1) in a sliding way, a knife block (16) is installed between the two slide blocks (6), the end of the expansion link of the cylinder (2) is connected with the knife block (16), a cold knife (17) is installed on the knife block (16), a first rack (7) is connected on the outer side face of the knife slide block (6) of the knife slide frame (1), the gear (8) meshed with the first rack (7) is respectively arranged outside the two side frames (5) of the knife slide frame (1), the front side frame (20) of the cutter-walking frame (1) is provided with a fixed rail groove (11) parallel to the side frames (5) on the two sides of the cutter-walking frame (1) in the front, supporting blocks are fixed on the two sides of the bottom of the shaping frame (12), the shaping frame (12) is connected to the fixed rail groove (11) in a sliding mode through the supporting blocks, the shaping frame (12) is provided with a shaping groove (13) towards the side face of the front side frame (20) of the cutter-walking frame (1), the shaping frame (12) is connected to a supporting plate (10) towards the two sides of the side face of the front side frame (20) of the cutter-walking frame (1), the supporting plate (10) is connected with a second rack (9), and the second rack (9) is meshed.
2. The blank cold cutting device of the plastic extrusion blow molding hollow forming machine according to claim 1, characterized in that the end of the telescopic rod of the cylinder (2) is connected with a clamping head, a connecting plate (19) is arranged in the middle of the clamping head, one side of the connecting plate (19) is connected with the circular sleeve (3), the circular sleeve (3) is connected with the telescopic rod of the cylinder (2), and the other side of the connecting plate (19) is fixed with two clamping heads (18) which are connected with the tool apron (16) through the clamping heads (18).
3. A blank cold cutting device of a plastic extrusion blow molding hollow forming machine according to claim 1, characterized in that the tool apron (16) is fixed on the top of the slide block (6) through a connecting piece (14), and a cold knife (17) on the tool apron (16) is parallel to the upper part of the tool carrier (1).
4. A blank cold cutting device of plastic extrusion blow molding machine according to claim 3, characterized in that the connecting piece (14) is connected with the slide block (6) and the rear part of the tool holder (16) by screws (15).
5. A blank cold cutting device for an extrusion blow moulding machine according to claim 1, characterised in that said first (7) and second (9) racks are located on either side of the gear wheel (8) and engage with the gear wheel (8).
6. A billet cold cutting device of a plastic extrusion blow molding machine according to claim 1 characterized in that the shape-setting groove (13) is a semi-circular arc groove.
7. The blank cold cutting device of plastic extrusion blow molding machine according to claim 6, characterized in that the outside of the semi-circular arc groove of the fixed groove (13) is a square groove, the square groove and the semi-circular arc groove form an integral fixed groove (13), and the depth of the fixed groove (13) is the same as the diameter of the plastic extrusion blow molding hollow member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021622565.0U CN213005481U (en) | 2020-08-07 | 2020-08-07 | Blank cold cutting device of plastic extrusion blow hollow forming machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021622565.0U CN213005481U (en) | 2020-08-07 | 2020-08-07 | Blank cold cutting device of plastic extrusion blow hollow forming machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213005481U true CN213005481U (en) | 2021-04-20 |
Family
ID=75464104
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021622565.0U Expired - Fee Related CN213005481U (en) | 2020-08-07 | 2020-08-07 | Blank cold cutting device of plastic extrusion blow hollow forming machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213005481U (en) |
-
2020
- 2020-08-07 CN CN202021622565.0U patent/CN213005481U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210420 |