CN210011286U

CN210011286U - Locking device for machine head and machine body of plastic extruding machine

Info

Publication number: CN210011286U
Application number: CN201920796682.XU
Authority: CN
Inventors: 黄月辉; 朱旻栎; 华伟清
Original assignee: WUXI HUAHAO ELECTRIC Co Ltd
Current assignee: WUXI HUAHAO ELECTRIC Co Ltd
Priority date: 2019-05-30
Filing date: 2019-05-30
Publication date: 2020-02-04
Anticipated expiration: 2029-05-30

Abstract

The utility model provides a locking device for a machine head and a machine body of a plastic extruding machine, which comprises a machine head, a machine body, a machine base, a left connecting pipe, a right connecting pipe, a flange, a screw rod and copper sleeves, wherein the machine body consists of a left machine body and a right machine body, the flanges are two, the machine head and the left machine body are connected through the left connecting pipe, the right machine body is connected through the right connecting pipe, the left machine body and the right machine body are clamped and laminated through the front flange and the rear flange, the upper end and the lower end of each flange are fixed seats, corresponding through holes are respectively arranged on the two fixed seats at the upper end and the lower end, a copper sleeve with an internal thread is respectively clamped in each through hole, the two screw rods are bidirectional screw rods, and the two; the fixing seats at the upper end and the lower end are all provided with threaded holes, the copper sleeve is provided with positioning grooves corresponding to the threaded holes, and the bolts penetrate through the threaded holes and then are inserted into the positioning grooves. The device can ensure that the copper bush does not displace, and ensure the normal use of the device.

Description

Locking device for machine head and machine body of plastic extruding machine

Technical Field

The utility model belongs to the technical field of electric wire and cable, especially, relate to a extruding machine aircraft nose fuselage locking device.

Background

In the extrusion molding process of the wire or cable, a machine head fixed on a machine body by a bolt is locked at a right angle with the central line of a screw rod of the machine body, and when the wire or cable passes through a mold core, the plastic is melted to form a continuous and compact tubular coating layer around the central line. The shell of the extruder head is fixed on the machine body by bolts, a die consisting of a die core and a die sleeve is arranged in the extruder head, and the shell is fixed at the inlet port of the extruder head by a screw cap. The shaft body is driven to rotate by rotating the hand wheel, so that reverse acting force is generated between the machine head of the plastic extruding machine and the copper sleeve, the machine body of the plastic extruding machine is moved to the machine head flange until the machine body is tightly attached, the joint is prevented from generating a gap and leaking materials, then the flange plate is clamped tightly, the machine head body is locked and fixed by the copper sleeve, and the sizing materials are prevented from leaking from the gap of the flange plate. However, after the extruder is continuously produced, coke accumulation can be generated in the extruder head, and the flow of the materials is influenced, so that the extruder head is cleaned after the extruder head body is separated by stopping the extruder for at least two days. The action of rotating the hand wheel is manual, the body of the extruding machine is continuously pushed after being attached to the flange of the head of the extruding machine, the head is connected to cause the bending of the screw rod, and the thread is deformed, so that the copper sleeve and the screw rod are abraded after long-term use, when the hand wheel is rotated to drive the shaft body to rotate, the head of the extruding machine and the copper sleeve are easy to slip when moving in the reverse direction, the flange loosening angle is too small, the separation angle of the body of the head is smaller than 90 ℃, the flange plate can be loosened by beating with brute force to enable the separation angle of the body of the head to be right-angled, and the locking is not tight when the flange is locked by the.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved is as follows: easy skidding when reverse movement between to current extruding machine aircraft nose and the copper sheathing, lead to the flange to loosen the shortcoming that the angle undersize, flange clearance easily appear leaking the material, the utility model provides an extruding machine aircraft nose fuselage locking device, the device can effectively ensure that the copper sheathing can not produce axial displacement at the operation in-process, ensures locking device's normal use.

The technical scheme is as follows: a locking device for a machine head and a machine body of a plastic extruding machine comprises the machine head, the machine body, a machine base, a left connecting pipe, a right connecting pipe, a flange, a screw rod and a copper sleeve, wherein the machine body consists of a left machine body and a right machine body which are bilaterally symmetrical, the flange is symmetrically arranged in front and back, the machine head and the left machine body are communicated through the left connecting pipe, the right machine body is communicated through the right connecting pipe, the left machine body and the right machine body are clamped and attached through the front flange and the back flange, the upper end and the lower end of each flange are both cuboid-shaped fixed seats, two fixed seats at the upper end are provided with corresponding through holes, two fixed seats at the lower end are also provided with corresponding through holes, a copper sleeve is clamped in each through hole, the copper sleeve is internally provided with internal threads, the screw rod is provided with two bidirectional screw rods which are vertically symmetrical, the two copper sleeves at the upper, the internal thread of each copper sleeve is matched with the thread of each lead screw, the left end and the right end of each lead screw are fixed on the base through connecting plates, and the right ends of the two lead screws are connected with chains and synchronously rotate through the transmission of the chains; the upper plane of the fixing base located at the upper end is provided with a vertical threaded hole to the position of the through hole, the lower plane of the fixing base located at the lower end is provided with a vertical threaded hole to the position of the through hole, the position of the copper sleeve corresponding to the threaded hole is provided with a conical positioning groove, the bolt penetrates through the threaded hole and then is inserted into the positioning groove, and the head of the bolt is conical and is matched with the positioning groove in size.

The position department that is located the left plane of the fixing base of upper end and lower extreme to the through-hole all set up horizontal screw hole, the position department that corresponds the screw hole on the copper sheathing has seted up conical constant head tank, the bolt inserts the constant head tank after passing the screw hole.

The position department that is located right plane to the through-hole of the fixing base of upper end and lower extreme all set up horizontal screw hole, the position department that corresponds the screw hole on the copper sheathing has seted up conical constant head tank, the bolt inserts the constant head tank after passing the screw hole.

The depth of the positioning groove is 3 mm.

Has the advantages that: the utility model provides a locking device for the machine head and the machine body of a plastic extruding machine, which fixes a copper sleeve and a fixed seat by bolts, so that the copper sleeve can not generate relative displacement in the operation process, and the normal use of the locking device is ensured; meanwhile, the device facilitates the cleaning and the dismounting of the machine head and prolongs the service life of the equipment.

Drawings

Fig. 1 is a partial cross-sectional view of a locking device of the present invention.

Fig. 2 is an enlarged view of a portion a in fig. 1.

Fig. 3 is a sectional view taken along line B-B in fig. 1.

In the figure: 1. a machine head; 2. a body; 21. a left fuselage; 22. a right fuselage; 3. a machine base; 4. a left connecting pipe; 5. a right connecting pipe; 6. a flange; 7. a screw rod; 8. a copper sleeve; 9. a fixed seat; 10. a through hole; 11. a threaded hole; 12. positioning a groove; 13. a bolt; 14. a connecting plate; 15. a chain; 16. and (5) a rotating structure.

Detailed Description

The following embodiments are further described with reference to the drawings. Fig. 1 is a schematic view of a portion located between the head 1 and the housing 3, taken along a central axial plane of the bolt 13, which is perpendicular to a left side surface of the housing 3.

Example 1

As shown in fig. 1 to 3, this embodiment provides a locking device for a head and a body of an extruding machine, the locking device includes a head 1, a body 2, a base 3, a left connecting pipe 4, a right connecting pipe 5, a flange 6, a screw rod 7, and a copper sleeve 8, the body 2 is composed of a left body 21 and a right body 22 which are bilaterally symmetric, the flange 6 has two symmetrical front and back flanges, the head 1 and the left body 21 are connected through the left connecting pipe 4, the right body 22 and the base 3 are connected through the right connecting pipe 5, the left body 21 and the right body 22 are clamped and attached through the front and back flanges 6, the upper and lower ends of each flange 6 are rectangular fixing seats 9, two fixing seats 9 at the upper end are provided with corresponding through holes 10, two fixing seats 9 at the lower end are also provided with corresponding through holes 10, a copper sleeve 8 is clamped and connected in each through hole 10, an internal thread is provided in each copper sleeve 8, the, the two copper sleeves 8 positioned above are respectively sleeved on the reverse threads of the screw rod 7 positioned above, the two copper sleeves 8 positioned below are respectively sleeved on the reverse threads of the screw rod 7 positioned below, the internal threads of each copper sleeve 8 are matched with the threads of the screw rod 7, the left side and the right side of each screw rod 7 are fixed on the base 3 through connecting plates 14, and the right ends of the two screw rods 7 are connected with chains 15 and driven by the chains 15 to synchronously rotate; the last plane of fixing base 9 of two flange upper ends is seted up the screw hole 11 that downwardly extending to through-hole 10, and the screw hole 11 that upwardly extends to through-hole 10 is seted up to the lower plane of fixing base 9 of two flange lower extremes, and tapered constant head tank 12 has been seted up to the position department that corresponds screw hole 11 on the copper sheathing 8, and bolt 13 inserts constant head tank 12 after passing screw hole 11, and the head of bolt 13 is the toper and cooperates with constant head tank 12 size. The locking device fixes the copper sleeve 8 and the fixed seat 9 by using the bolt 13, when the hand wheel is rotated to drive the chain 15 to rotate and the chain 15 drives the two screw rods 7 to synchronously rotate, relative displacement cannot be generated between the copper sleeve 8 and the fixed seat 9, and the large loosening angle of the flange 6 is further ensured, so that the machine body 2 of the machine head 1 is easily separated, and the normal use of the locking device is ensured; meanwhile, the locking device is convenient to clean and disassemble, and the service life of the plastic extruding machine is prolonged.

As shown in fig. 1, the lower end of the machine head 1 is further connected with the machine base 3 through the rotating structure 16, so that the machine head 1 and the machine body 2 can be separated or butted in a rotating mode, an operator does not need to adopt a transportation device or manual support, and the disassembly and the assembly are very convenient.

Preferably, a threaded hole 11 horizontally extending to the through hole 10 is formed in the left plane of any one of the fixing seats 9, a tapered positioning groove 12 is formed in the position, corresponding to the threaded hole 11, of the copper bush 8, and the bolt 13 penetrates through the threaded hole 11 and then is inserted into the positioning groove 12. Make between copper sheathing 8 and the fixing base 9 be connected more firmly like this, can not produce relative displacement, make flange 6 when aircraft nose 1 is washd in the needs of dismantling at every turn, the angle of loosening of flange 6 can both be great, makes things convenient for the separation of aircraft nose 1 and fuselage 2, the left plane of fixing base 9 indicates the face of fixing base 9 towards aircraft nose 1.

Preferably, a threaded hole 11 horizontally extending to the through hole 10 is formed in the right plane of any one of the fixing seats 9, a tapered positioning groove 12 is formed in the position, corresponding to the threaded hole 11, of the copper bush 8, and the bolt 13 penetrates through the threaded hole 11 and then is inserted into the positioning groove 12. This further strengthens the connection of the copper sleeve 8 to the holder 9 so that they do not displace, said right plane of the holder 9 being the plane of the holder 9 facing the machine bed 3.

Preferably, the depth of the positioning groove 12 is 3 mm. This depth enables a better fixation of the copper sleeve 8 and the holder 9, so that the head of the bolt 13 does not slip out of the positioning slot 12 during operation of the locking device.

The embodiments of the present invention have been described in detail, and to those skilled in the art, according to the idea of the embodiments of the present invention, there are changes in the specific implementation and application range, and in summary, the content of the present specification should not be understood as the limitation of the present invention.

Claims

1. The utility model provides a locking device of extruding machine aircraft nose fuselage which characterized in that: the device comprises a machine head (1), a machine body (2), a machine base (3), a left connecting pipe (4), a right connecting pipe (5), flanges (6), a screw rod (7) and a copper sleeve (8), wherein the machine body (2) consists of a left machine body (21) and a right machine body (22) which are bilaterally symmetrical, the flanges (6) are symmetrically arranged in the front and the back, the machine head (1) is communicated with the left machine body (21) through the left connecting pipe (4), the right machine body (22) is communicated with the machine base (3) through the right connecting pipe (5), the left machine body (21) and the right machine body (22) are clamped and attached through the front flange (6) and the back flange (6), the upper end and the lower end of each flange (6) are both cuboid-shaped fixing bases (9), corresponding through holes (10) are formed in the two fixing bases (9) at the upper end, corresponding through holes (10) are also formed in the two fixing bases (9, internal threads are arranged in the copper sleeves (8), the screw rods (7) are provided with two bidirectional screw rods which are vertically symmetrical, the two copper sleeves (8) positioned above are respectively sleeved on the reverse threads of the screw rods (7) positioned above, the two copper sleeves (8) positioned below are respectively sleeved on the reverse threads of the screw rods (7) positioned below, the internal threads of each copper sleeve (8) are matched with the threads of the screw rods (7), the left end and the right end of each screw rod (7) are fixed on the base (3) through connecting plates (14), and the right ends of the two screw rods (7) are connected with chains (15) and synchronously rotate through the transmission of the chains (15); vertical screw hole (11) have been seted up to the position department of the last plane of fixing base (9) that is located the upper end to through-hole (10), vertical screw hole (11) have also been seted up to the position department of the lower plane of fixing base (9) that is located the lower extreme to through-hole (10), tapered constant head tank (12) have been seted up to the position department that corresponds screw hole (11) on copper sheathing (8), bolt (13) insert constant head tank (12) after passing screw hole (11), the head of bolt (13) be the toper and with constant head tank (12) size cooperation.

2. The extruder head and body locking device of claim 1, wherein: horizontal threaded holes (11) are formed in the positions from the left plane of the fixing seat (9) located at the upper end and the lower end to the through holes (10), conical positioning grooves (12) are formed in the positions, corresponding to the threaded holes (11), on the copper sleeve (8), and the bolts (13) penetrate through the threaded holes (11) and then are inserted into the positioning grooves (12).

3. The extruder head and body locking device of claim 1, wherein: the right plane of the fixing seat (9) positioned at the upper end and the lower end is provided with a horizontal threaded hole (11) to the position of the through hole (10), the position of the copper sleeve (8) corresponding to the threaded hole (11) is provided with a conical positioning groove (12), and the bolt (13) penetrates through the threaded hole (11) and then is inserted into the positioning groove (12).

4. The extruder head and body locking device of claim 1, wherein: the depth of the positioning groove (12) is 3 mm.