Extrusion device for plastic part production
By designing mechanical mechanisms such as rotary blocks and worms in the plastic extrusion device, the rapid replacement of the extrusion head is achieved, the problem of operation troubles in the prior art is solved, and the use effect is improved.
Patent Information
- Application Number
- CN202323346840.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-08
- Publication Date
- 2024-12-13
- Estimated Expiration
- 2033-12-08
AI Technical Summary
Existing plastic extrusion devices require external tools when replacing the extrusion head, which leads to troublesome operation and reduces the effectiveness of use.
A replacement device including rotary block, worm, worm gear, pin shaft, cam, column and clamp column is designed to achieve rapid replacement of the extrusion head through a mechanical mechanism, avoiding dependence on external tools.
The rapid replacement of the extrusion head is achieved, and the device's use effect and operating efficiency are improved.
Smart Images
Figure CN222156549U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of plastic parts production, in particular to an extrusion device for plastic parts production. Background Art
[0002] Plastic is a high molecular compound made from monomers through addition polymerization or condensation polymerization. It has a medium deformation resistance, between fiber and rubber. It is composed of synthetic resin and fillers, plasticizers, stabilizers, lubricants, colorants and other additives. When plastic parts are produced, the raw materials of the plastic parts need to be extruded through an extrusion device.
[0003] For example, a plastic extrusion device with the authorization announcement number CN216100315U includes: an extrusion box, which is placed on the ground through the bottom support legs, and the inner left side of the extrusion box is a hollow structure; an extrusion plate, which is installed through the inner left side of the extrusion box. Although the above document can facilitate the mixing of extrusion raw materials, the cleaning of the inside of the device, the adjustment of temperature, good extrusion quality, and the adjustment and control of the extrusion amount, and the replacement of the extrusion head according to the needs of use; however, when in use, the extrusion device is in the process of extruding the raw materials of the plastic parts, and the extrusion heads of different sizes are fixed to the extrusion device by bolts to extrude the plastic. When replacing the extrusion head, the staff needs to use external tools to turn the bolts to rotate the bolts to replace the extrusion head, which makes the replacement more troublesome and requires the use of external fixing to replace, thereby reducing the use effect of the extrusion device. Utility Model Content
[0004] The utility model aims to solve the problem of reducing the use effect of the extrusion device and proposes an extrusion device for producing plastic parts.
[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0006] An extrusion device for producing plastic parts is designed, including an extrusion device body and a box body, the outer wall of the extrusion device body is fixedly connected to the box body, a replacement device is arranged inside the box body, the replacement device includes a rotating block and a worm, the rotating block is fixedly connected to the end of the worm, the worm is meshed with a worm wheel, the worm wheel is fixedly connected to a cam through a pin shaft, the outer wall of the cam is fitted with the outer wall of a column, and the outer walls of the two columns are fixedly connected with a clamping column.
[0007] Preferably, the two uprights are both slidably connected to the slide slots, the two slide slots are both opened inside the box body, and the outer walls of the two uprights are both fixedly connected to one end of the spring.
[0008] Preferably, the spring at the other end is fixedly connected to the inner wall of the box body, the two clamping columns are matched with the internal gap of the extrusion head, and the outer wall of the extrusion head is fitted with the sealing ring.
[0009] Preferably, the interior of the extrusion device body is connected to the extrusion tube, the interior of the extrusion tube is fixedly connected to the sealing ring, and the worm is rotatably connected to the box body through a bearing.
[0010] Preferably, the extrusion device body is connected to the feed pipe, the outer wall of the extrusion device body is fixedly connected to a motor via a motor seat, and the output shaft of the motor is fixedly connected to a screw rod.
[0011] Preferably, the extrusion device body is rotatably connected to the screw rod via a bearing, and the box body is rotatably connected to the pin shaft.
[0012] The utility model provides an extrusion device for producing plastic parts, and its beneficial effects are as follows: a rotating block in a replacement device drives the worm to rotate, the worm drives the worm wheel to rotate, the worm wheel drives the pin shaft to rotate, the pin shaft drives the cam to rotate, the cam drives the column to move, the two columns slide in the slide groove, at this time the spring rebounds, the spring drives the column to move, the column drives the clamping column to move, the two clamping columns leave the interior of the extrusion head, the extrusion head is taken out from the interior of the extrusion tube, the replaced extrusion head is inserted into the interior of the extrusion tube, the rotating block is rotated in the opposite direction, and then the two clamping columns are driven to be reinserted into the interior of the replaced extrusion head to fix it, and the replacement of the extrusion head is completed. When the extrusion device is set to extrude the raw material of the plastic part, when the extrusion head needs to be replaced, the staff directly rotates the rotating block to drive the corresponding mechanical mechanism to move, so as to quickly replace the extrusion head, and no external fixed connection is needed for replacement, thereby improving the use effect of the extrusion device. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 It is a schematic diagram of the structure of the utility model;
[0014] Figure 2 for Figure 1 A schematic diagram of the front view structure of
[0015] Figure 3 for Figure 2 A side view structural schematic diagram of;
[0016] Figure 4 for Figure 2 A schematic diagram of a side cross-section structure;
[0017] Figure 5 for Figure 2 Enlarged structural diagram at A in the middle.
[0018] In the figure: 1. extrusion device body, 2. motor, 3. threaded rod, 4. feed pipe, 5. extrusion pipe, 6. box body, 7. extrusion head, 8. replacement device, 801. rotating block, 802. worm, 803. worm gear, 804. cam, 805. column, 806. clamping column, 9. slide groove, 10. spring, 11. sealing ring. DETAILED DESCRIPTION
[0019] The utility model is further described below in conjunction with the accompanying drawings:
[0020] See attached Figure 1-5 In the present embodiment, an extrusion device for producing plastic parts comprises an extrusion device body 1 and a box body 6. The outer wall of the extrusion device body 1 is fixedly connected to the box body 6. A replacement device 8 is arranged inside the box body 6. The replacement device 8 comprises a rotating block 801 and a worm 802. The rotating block 801 is fixedly connected to the end of the worm 802. The rotating block 801 drives the worm 802 to rotate. The worm 802 is meshed with a worm wheel 803. The worm 802 drives the worm wheel 803 to rotate. The worm wheel 803 is fixedly connected to a cam 804 through a pin shaft. The worm wheel 803 drives the pin shaft to rotate. The pin shaft drives the cam 804 to rotate. The outer wall of the cam 804 fits with the outer wall of the column 805. The cam 804 drives the column 805 to move. The outer walls of the two columns 805 A clamping column 806 is fixedly connected, and the column 805 drives the clamping column 806 to move. The two columns 805 are slidably connected to the slide groove 9. The two columns 805 slide in the slide groove 9. The two slide grooves 9 are both arranged inside the box body 6. The outer walls of the two columns 805 are fixedly connected to one end of the spring 10. At this time, the spring 10 rebounds, and the spring 10 drives the column 805 to move. The other end of the spring 10 is fixedly connected to the inner wall of the box body 6. The two clamping columns 806 are matched with the internal clearance of the extrusion head 7. The two clamping columns 806 leave the inside of the extrusion head 7, and the outer wall of the extrusion head 7 fits with the sealing ring 11. The material of the spring 10 is carbon spring steel. The elastic coefficient of the spring 10 is selected according to actual needs to meet the work.
[0021] The rotating block 801 in the replacement device 8 drives the worm 802 to rotate, the worm 802 drives the worm wheel 803 to rotate, the worm wheel 803 drives the pin to rotate, the pin drives the cam 804 to rotate, the cam 804 drives the column 805 to move, the two columns 805 slide in the slide groove 9, the spring 10 rebounds, the spring 10 drives the column 805 to move, the column 805 drives the clamping column 806 to move, the two clamping columns 806 leave the interior of the extrusion head 7, the extrusion head 7 is taken out from the interior of the extrusion tube 5, and the replaced extruder is The head 7 is inserted into the interior of the extrusion tube 5, and the rotating block 801 is rotated in the opposite direction, thereby driving the two clamping columns 806 to be reinserted into the interior of the replaced extrusion head 7 to fix it, thereby completing the replacement of the extrusion head 7. When the extrusion device is set to extrude the raw materials of the plastic parts, when the extrusion head 7 needs to be replaced, the staff directly rotates the rotating block 801 to drive the corresponding mechanical mechanism to move, so as to quickly replace the extrusion head 7, and there is no need to rely on external fixing for replacement, thereby improving the use effect of the extrusion device.
[0022] See attached Figure 1-5 : In this embodiment, the interior of the extrusion device body 1 is connected to the extrusion tube 5, and the interior of the extrusion tube 5 is fixedly connected to the sealing ring 11. The worm 802 is rotatably connected to the box body 6 through a bearing. The extrusion device body 1 is connected to the feed pipe 4, and the melted plastic material is poured into the interior of the extrusion device body 1 through the feed pipe 4. The outer wall of the extrusion device body 1 is fixedly connected with the motor 2 through the motor seat. The model of the motor 2 is selected according to actual needs and can meet the work requirements. The output shaft of the motor 2 is fixedly connected with the screw rod 3, and the motor 2 drives the screw rod 3 to rotate, and the screw rod 3 drives the plastic material to move, and moves the plastic material to the interior of the extrusion tube 5, and extrudes it through the extrusion head 7 to complete the extrusion process of the plastic material. The extrusion device body 1 is rotatably connected to the screw rod 3 through a bearing, and the box body 6 is rotatably connected to the pin shaft.
[0023] Working principle:
[0024] When the extrusion device for producing plastic parts is in use, the staff first pours the melted plastic part raw material into the interior of the extrusion device body 1 through the feed pipe 4, and then connects the motor 2 to the external power supply, the motor 2 drives the screw rod 3 to rotate, the screw rod 3 drives the plastic part raw material to move, the plastic part raw material is moved to the interior of the extrusion tube 5, and extruded through the extrusion head 7 to complete the extrusion process of the plastic part raw material. When the extrusion head 7 needs to be replaced, the motor 2 is stopped, the raw material is stopped from being added to the interior of the extrusion device body 1, and the staff rotates the rotating block 801, the rotating block 801 drives the worm 802 to rotate, the worm 802 drives the worm wheel 803 to rotate, the worm wheel 803 drives the pin to rotate, and the pin The cam 804 is driven to rotate, and the cam 804 drives the column 805 to move. The two columns 805 slide in the slide groove 9. At this time, the spring 10 rebounds, and the spring 10 drives the column 805 to move. The column 805 drives the clamping column 806 to move, and the two clamping columns 806 leave the interior of the extruder head 7. At this time, the state of the cam 804 is upright. The staff takes out the extruder head 7 from the interior of the extrusion tube 5 and inserts the replaced extrusion head 7 into the interior of the extrusion tube 5. The staff rotates the rotating block 801 in the opposite direction, thereby turning the cam 804 horizontally, and then driving the two clamping columns 806 to reinsert the replaced extruder head 7 into the interior of the extruder head 7 to fix it, thereby completing the replacement of the extruder head 7.
[0025] Although the present invention has been shown and described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein within the scope of the claims.
Claims
1. An extrusion device for producing plastic parts, comprising an extrusion device body (1) and a box body (6), wherein the outer wall of the extrusion device body (1) is fixedly connected to the box body (6), characterized in that: A replacement device (8) is provided inside the box body (6), and the replacement device (8) comprises a rotating block (801) and a worm (802), the rotating block (801) is fixedly connected to the end of the worm (802), the worm (802) is meshed with a worm wheel (803), the worm wheel (803) is fixedly connected to a cam (804) via a pin shaft, the outer wall of the cam (804) is in contact with the outer wall of a column (805), and a clamping column (806) is fixedly connected to the outer walls of the two columns (805).
2. The extrusion device for producing plastic parts according to claim 1, characterized in that: The two upright posts (805) are both slidably connected to the slide groove (9), the two slide grooves (9) are both opened inside the box body (6), and the outer walls of the two upright posts (805) are both fixedly connected to one end of the spring (10).
3. The extrusion device for producing plastic parts according to claim 2, characterized in that: The spring (10) at the other end is fixedly connected to the inner wall of the box body (6), the two clamping columns (806) are matched with the internal gap of the extrusion head (7), and the outer wall of the extrusion head (7) is in contact with the sealing ring (11).
4. The extrusion device for producing plastic parts according to claim 1, characterized in that: The interior of the extrusion device body (1) is connected to the extrusion tube (5), the interior of the extrusion tube (5) is fixedly connected to the sealing ring (11), and the worm (802) is rotatably connected to the box body (6) via a bearing.
5. The extrusion device for producing plastic parts according to claim 1, characterized in that: The extrusion device body (1) is connected to a feed pipe (4); the outer wall of the extrusion device body (1) is fixedly connected to a motor (2) via a motor seat; and the output shaft of the motor (2) is fixedly connected to a screw rod (3).
6. The extrusion device for producing plastic parts according to claim 1, characterized in that: The extrusion device body (1) is rotatably connected to the screw rod (3) via a bearing, and the box body (6) is rotatably connected to the pin shaft.