CN111231213A - Improved screw feeding and moving device for injection molding machine - Google Patents

Abstract

The invention discloses an improved screw feeding moving device for an injection molding machine, which comprises a barrel, a screw and a frame. The sliding support block and the guide sliding bar provided on the frame of the present invention realize the lateral movement support of the material cylinder, and at the same time, the arc block also supports the transverse movement of the material cylinder, so as to ensure the accurate alignment of the injection head, and The annular heating sleeve is inserted into the annular groove on the outer side wall of the barrel, and is clamped between the outer side wall of the annular groove and the right end face of the conical part. The annular heating jacket is taken out, which is easy to disassemble and install. At the same time, the hopper can be automatically lifted and separated from the feeding through hole through the operation of the lifting motor, which is convenient for maintenance, maintenance and inspection. During installation, only the lifting motor is required to run, so that the bottom end of the hopper is formed with The discharge part can be inserted into the feed through hole, and the installation and disassembly are convenient, which greatly improves the efficiency of maintenance.

Description

An Improved Screw Feeding Moving Device for Injection Molding Machine

technical field

The invention relates to the technical field of injection molding equipment, and more particularly to an improved screw feeding moving device for injection molding machines.

Background technique

In the screw and barrel mechanism of the existing injection molding machine, the heating jacket is generally fixedly connected to the outer side wall of the barrel by bolts, which is troublesome to disassemble and install. The screw is driven, and when the screw is driven, the bottom surface of the right end plate of the barrel is fixed with a connecting block, and the connecting block is screwed into the screw. The horizontal movement of the barrel is realized by the rotation of the screw, and the injection nozzle is extended into the injection mold hole. The bottom of the barrel generally does not have a support block in contact with the lower bracket, but the limit movement is carried out through the connecting block and the transverse through groove provided on the top plate of the frame, so that the barrel is used for a long time and the barrel is moved laterally. There will be a certain downward slope, which will affect the alignment of the injection nozzle;

At the same time, the hopper at the feeding end of the barrel is generally fixed on the barrel by bolts or directly welded on it. When the barrel is repaired and maintained, it is necessary to remove the bolts or directly separate the welding point to It is very troublesome to remove the hopper, which affects the efficiency of maintenance.

SUMMARY OF THE INVENTION

The purpose of the present invention is to overcome the deficiencies of the prior art, and to provide an improved screw feeding moving device for an injection molding machine. At the same time, the arc-shaped block also supports the lateral movement of the barrel to ensure the accurate alignment of the injection head. Between the wall and the right end face of the conical part, it only needs to disassemble the conical part to take out the entire annular heating jacket, which is easy to disassemble and install, and at the same time, the hopper can be automatically lifted and fed through the through hole through the operation of the lifting motor. It is separated, which is convenient for maintenance, maintenance and inspection. During installation, only the lifting motor is required to run, so that the discharge part formed at the bottom of the hopper can be inserted into the feeding through hole, which is convenient for installation and disassembly, and greatly improves the efficiency of maintenance and maintenance.

The solution of the present invention to solve the technical problem is:

An improved screw feeding moving device for an injection molding machine, comprising a barrel, a screw and a frame, the middle part of the top plate of the frame is provided with a transverse moving through groove, and the top plate of the frame is provided with a transverse moving screw, which can move laterally. Both ends of the screw rod are hinged on the left and right support plates at the lower part of the frame through bearings, one end of one of the transverse moving screw rods is fixed with a moving transmission gear, and a drive support is fixed on the inner side wall of a support plate corresponding to the moving transmission gear A moving motor is fixed on the vertical plate of the driving support frame. The output shaft of the moving motor passes through the vertical plate of the driving support frame and is fixed with a moving driving gear. The moving driving gear is meshed with the moving transmission gear, and the moving block is screwed. In the horizontal moving screw, the top surface of the moving block is fixedly connected with the upper moving block by bolts, the upper end of the upper moving block protrudes from the horizontal moving through groove and is fixed with the main moving bottom plate, and the top surface of the main moving bottom plate is fixed with the right end plate, the main The front and rear parts of the left and right sides of the mobile base plate are fixed with sliding support blocks, and the front and rear parts of the top surface of the top plate of the rack are fixed with guide sliding bars, which are inserted into the corresponding sliding support blocks. in the chute provided on the bottom surface;

The screw is inserted into the barrel, the right end of the barrel is fixed with the right end plate, the right part of the screw is hinged in the right end plate through the bearing, the right end of the screw extends out of the right end plate and is fixed with a transmission gear, and the left end of the screw is hinged to the support block through the bearing , the support block is fixed on the inner side wall of the left end of the barrel, and a plurality of circulation holes are formed on the support block;

The left end of the barrel is fixedly connected with a conical part by bolts;

The outer side wall of the left end face of the barrel is formed with an annular groove extending to the right, the annular heating sleeve is inserted into the annular groove, the right end of the annular heating sleeve is pressed against the right end surface of the annular groove, and the left end surface of the annular heating sleeve is pressed against the right end surface of the annular groove. Press against the right end face of the tapered part, and the inner side wall of the annular heating sleeve is close to the outer side wall of the annular groove;

A feeding through hole is formed on the side wall above the right part of the barrel, a discharge part is formed at the bottom end of the hopper to be inserted into the feeding through hole, and the top surface of the annular heating jacket on the left side of the hopper is fixed There is a supporting column, an upper connecting plate is fixed on the top surface of the supporting column, a lower connecting plate is fixed on the lower right side wall of the supporting column, the upper part of the vertical screw rod is hinged in the upper connecting plate through a bearing, and the lower end of the vertical screw rod passes through the bearing. It is hinged on the lower connecting plate, the upper end of the vertical screw protrudes from the upper connecting plate and is fixed with a lifting gear, the top surface of the upper connecting plate is fixed with a motor frame, the top plate of the motor frame is fixed with a lifting motor, and the output shaft of the lifting motor passes through The bottom surface of the top plate of the motor frame is fixed with a driving gear. The driving gear is meshed with the lifting gear. The upper cylindrical part of the hopper is inserted into the fixed sleeve. The outer side wall of the fixed sleeve is fixed with a connecting block. The connecting block is screwed In the vertical screw, an annular ring is formed on the outer side wall of the upper barrel portion of the hopper, and the annular ring is fixedly connected to the top surface of the fixed sleeve body by bolts.

A heat insulating sleeve is fixed on the inner side wall of the feeding through hole, and the discharging part is inserted and sleeved in the heat insulating sleeve.

A sliding block is fixed on the side wall of the connecting block, a vertical guide rail is fixed on the right side wall of the support column, and the sliding block is inserted into a vertical sliding groove on the right side wall of the vertical guide rail.

The left end of the tapered portion is communicated with an injection injection head.

The left end of the screw rod is formed with a conical head, and the conical head is inserted into the conical part.

A main vertical support plate is fixed in the middle of the top surface of the main moving base plate, a feed drive motor is fixed on the right side wall of the main vertical support plate, and the output shaft of the feed drive motor passes through the main vertical support plate and is fixed There is a feed drive gear, and the feed drive gear meshes with the transmission gear.

The left end of the top surface of the top plate of the frame is fixed with a main support column, the top surface of the main support column is fixed with an arc block, the bottom of the middle part of the barrel is inserted into the arc block, and the bottom surface of the middle part of the barrel is pressed. against the top surface of the arc block.

The top surface of the arc-shaped block is fixed with a self-lubricating layer, and the bottom surface of the middle part of the barrel is pressed against the self-lubricating layer.

The outstanding effect of the present invention is: compared with the prior art, the lateral movement support of the material cylinder is realized between the sliding support block and the guide sliding bar provided on the frame, and at the same time, the arc block also moves the material cylinder laterally. The support is realized to ensure the accurate alignment of the injection head, and the annular heating sleeve is inserted into the annular groove on the outer side wall of the barrel, and clamped between the outer side wall of the annular groove and the right end face of the tapered part, It only needs to disassemble the conical part to take out the whole annular heating jacket, which is easy to disassemble and install. At the same time, the hopper can be automatically lifted and separated from the feeding through hole through the operation of the lifting motor, which is convenient for maintenance, maintenance and inspection. It is only necessary to run the lifting motor, so that the discharge part formed at the bottom of the hopper can be inserted into the feeding through hole, which is convenient for installation and disassembly, and greatly improves the efficiency of maintenance.

Description of drawings:

Fig. 1 is the partial structure schematic diagram of the present invention;

Fig. 2 is a partial enlarged view of the present invention;

FIG. 3 is a partial structural schematic diagram of the main moving base plate and the frame of the present invention.

Detailed ways:

For example, as shown in Fig. 1 to Fig. 3, an improved screw feeding moving device for injection molding machine includes a barrel 10, a screw 11 and a frame 30, and the middle of the top plate of the frame 30 has a transverse moving channel. Slot 31, a transverse movement screw 32 is provided directly under the top plate of the frame 30, and both ends of the transverse movement screw 32 are hinged on the left and right support plates 33 in the lower part of the frame 30 through bearings. A moving transmission gear 34 is fixed at one end, a driving support frame 35 is fixed on the inner side wall of a support plate 33 corresponding to the moving transmission gear 34, and a moving motor 351 is fixed on the vertical plate of the driving support frame 35. The output of the moving motor 351 The shaft passes through the vertical plate of the driving support frame 35 and is fixed with a moving driving gear 352. The moving driving gear 352 meshes with the moving transmission gear 34. The moving block 36 is screwed into the transverse moving screw 32, and the top surface of the moving block 36 passes through The upper moving block 37 is fixedly connected with bolts. The upper end of the upper moving block 37 extends out of the lateral moving through groove 31 and is fixed with the main moving bottom plate 38. The top surface of the main moving bottom plate 38 is fixed with the right end plate 12. A sliding support block 381 is fixed to the front and rear of the side, and a guide sliding bar 39 is fixed to the front and rear of the top surface of the top plate of the rack 30 , and the guide sliding bar 39 is inserted into the corresponding sliding support block 381 in the chute provided on the bottom surface;

The screw 11 is inserted into the barrel 10, the right end of the barrel 10 is fixed with a right end plate 12, the right part of the screw 11 is hinged in the right end plate 12 through a bearing, and the right end of the screw 11 extends out of the right end plate 12 and is fixed with a transmission gear 13 , the left end of the screw 11 is hinged in the support block 14 through a bearing, the support block 14 is fixed on the inner side wall of the left end of the barrel 10, and a plurality of circulation holes 141 are formed on the support block 14;

The left end of the barrel 10 is fixedly connected with a conical portion 15 by bolts;

The outer side wall of the left end face of the barrel 10 is formed with an annular groove 16 extending to the right, the annular heating sleeve 17 is inserted into the annular groove 16, and the right end of the annular heating sleeve 17 is pressed against the right end surface of the annular groove 16, The left end face of the annular heating sleeve 17 is pressed against the right end face of the tapered portion 15, and the inner side wall of the annular heating sleeve 17 is close to the outer side wall of the annular groove 16;

A feeding through hole 18 is formed on the side wall above the right part of the barrel 10, and a discharge part 191 is formed at the bottom end of the hopper 19 to be inserted into the feeding through hole 18, and the left side of the hopper 19 is heated A supporting column 20 is fixed on the top surface of the sleeve 17, an upper connecting plate 21 is fixed on the top surface of the supporting column 20, a lower connecting plate 22 is fixed on the lower right side wall of the supporting column 20, and the upper part of the vertical screw 23 is hinged through a bearing In the upper connecting plate 21, the lower end of the vertical screw rod 23 is hinged on the lower connecting plate 22 through a bearing, the upper end of the vertical screw rod 23 protrudes from the upper connecting plate 21 and is fixed with a lifting gear 24, and the top surface of the upper connecting plate 21 is fixed with a The motor frame 25 has a lift motor 26 fixed on the top plate of the motor frame 25. The output shaft of the lift motor 26 passes through the bottom surface of the top plate of the motor frame 25 and is fixed with a drive gear 27. The drive gear 27 meshes with the lift gear 24, and the hopper 19 The upper cylindrical part of the hopper 19 is inserted into the fixed sleeve 28, the outer side wall of the fixed sleeve 28 is fixed with a connecting block 281, and the connecting block 281 is screwed into the vertical screw 23. The outer side wall of the upper cylindrical part of the hopper 19 An annular ring 192 is formed thereon, and the annular ring 192 is fixedly connected to the top surface of the fixing sleeve body 28 by bolts.

Further, a heat insulating sleeve 1 is fixed on the inner side wall of the feed through hole 18 , and the discharge portion 191 is inserted into the heat insulating sleeve 1 .

Further, a sliding block 282 is fixed on the side wall of the connecting block 281 , a vertical guide rail 29 is fixed on the right side wall of the support column 20 , and the sliding block 282 is inserted and sleeved on the right side wall of the vertical guide rail 29 . in the vertical chute.

Further, the left end of the tapered portion 15 is connected to the injection head 151 .

Further, a conical head 111 is formed on the left end of the screw 11 , and the conical head 111 is inserted into the conical portion 15 .

Further, a main vertical support plate 40 is fixed in the middle of the top surface of the main moving base plate 38 , a feed drive motor 41 is fixed on the right side wall of the main vertical support plate 40 , and an output shaft of the feed drive motor 41 is fixed. A feed drive gear 42 is fixed through the main vertical support plate 40 , and the feed drive gear 42 meshes with the transmission gear 13 .

Further, a main support column 50 is fixed on the left end of the top surface of the top plate of the frame 30, an arc block 51 is fixed on the top surface of the main support column 50, and the bottom of the middle of the barrel 10 is inserted into the arc block 51 , the bottom surface of the middle of the barrel 10 is pressed against the top surface of the arc-shaped block 51 .

Further, the top surface of the arc-shaped block 51 is fixed with a self-lubricating layer 52 , and the bottom surface of the middle of the barrel 10 is pressed against the self-lubricating layer 52 .

When this embodiment is in use, the lifting motor 26 can be operated to realize the height movement of the fixed sleeve body 28, so that the hopper 19 can be moved up and down, so that the discharge part 191 of the hopper 19 can be inserted into the feeding through hole 18 for communication. It is also very convenient to pull out the discharge part 191 from the insertion through hole 18, which is convenient for inspection during maintenance;

When the annular heating jacket 17 needs to be disassembled, the tapered portion 15 can be removed, and the entire annular heating jacket 17 and the supporting column 20 and other components can be removed together. When removing, the hopper 19 needs to be lifted by the lifting motor 26 in advance. The discharging part 191 is pulled out from the inserting through-hole 18, and it is easy to disassemble, which is convenient for maintenance and replacement of components.

By running the moving motor 351, the main moving bottom plate 38 can be moved laterally, so that the cylinder 10 can be moved laterally, so that the injection head 151 can extend into the injection hole of the injection mold or move out of the injection hole by sliding The moving support of the support block 381 and the guide sliding bar 39 and the support of the arc block 51 to the barrel 10 ensure that the barrel 10 moves stably during lateral movement and the injection head 151 moves accurately.

Finally, the above embodiments are only used to illustrate the present invention, but not to limit the present invention. Those of ordinary skill in the relevant technical field can also make various changes and modifications without departing from the spirit and scope of the present invention. Therefore, all equivalent technical solutions also belong to the scope of the present invention, and the patent protection scope of the present invention should be defined by the claims.

Claims (8)

1. An improved screw feeding moving device for an injection molding machine, comprising a barrel (10), a screw (11) and a frame (30), characterized in that: the middle of the top plate of the frame (30) has a lateral movement The through groove (31) is provided with a lateral movement screw (32) directly below the top plate of the frame (30), and both ends of the lateral movement screw (32) are hinged to the left and right supports at the lower part of the frame (30) through bearings. On the plate (33), one end of one of the transverse moving screws (32) is fixed with a moving transmission gear (34), and a drive support frame (34) is fixed on the inner side wall of a supporting plate (33) corresponding to the moving transmission gear (34). 35), a moving motor (351) is fixed on the vertical plate of the driving support frame (35), and the output shaft of the moving motor (351) passes through the vertical plate of the driving support frame (35) and is fixed with a moving driving gear (352) ), the moving drive gear (352) meshes with the moving transmission gear (34), the moving block (36) is screwed into the transverse moving screw (32), and the top surface of the moving block (36) is fixedly connected with the upper moving block by bolts (37), the upper end of the upper moving block (37) protrudes from the lateral moving through groove (31) and is fixed with the main moving bottom plate (38), the top surface of the main moving bottom plate (38) is fixed with the right end plate (12), the main moving The front and rear parts of the left and right sides of the bottom plate (38) are fixed with sliding support blocks (381), and the front and rear parts of the top surface of the top plate of the rack (30) are fixed with guide sliding bars (39), The guide sliding bars (39) are inserted into the sliding grooves provided on the bottom surface of the corresponding sliding support blocks (381); The screw (11) is inserted into the barrel (10), the right end of the barrel (10) is fixed with a right end plate (12), the right part of the screw (11) is hinged in the right end plate (12) through a bearing, and the screw (11) ) protrudes from the right end plate (12) and is fixed with a transmission gear (13), the left end of the screw (11) is hinged in the support block (14) through a bearing, and the support block (14) is fixed on the left end of the barrel (10). On the inner side wall of the support block (14), a plurality of circulation holes (141) are formed; The left end of the barrel (10) is fixedly connected with a conical part (15) by bolts; The outer side wall of the left end face of the material cylinder (10) is formed with an annular groove (16) extending to the right, the annular heating sleeve (17) is inserted into the annular groove (16), and the right end of the annular heating sleeve (17) is pressed. Relying on the right end face of the annular groove (16), the left end face of the annular heating sleeve (17) is pressed against the right end face of the conical part (15), and the inner side wall of the annular heating sleeve (17) is in close contact with the annular groove (16). ) of the outer side wall; A feeding through hole (18) is formed on the side wall above the right part of the material cylinder (10), and a discharging part (191) is formed at the bottom end of the hopper (19) to be inserted and sleeved in the feeding through hole (18). Among them, a support column (20) is fixed on the top surface of the annular heating jacket (17) on the left side of the hopper (19), an upper connecting plate (21) is fixed on the top surface of the support column (20), and the support column (20) A lower connecting plate (22) is fixed on the right side wall of the lower part of the lower part, the upper part of the vertical screw (23) is hinged to the upper connecting plate (21) through a bearing, and the lower end of the vertical screw (23) is hinged to the lower connecting plate (21) through a bearing. 22), the upper end of the vertical screw (23) protrudes from the upper connecting plate (21) and is fixed with a lifting gear (24), the top surface of the upper connecting plate (21) is fixed with a motor frame (25), the motor frame (25) A lift motor (26) is fixed on the top plate of the ), the output shaft of the lift motor (26) passes through the bottom surface of the top plate of the motor frame (25) and a drive gear (27) is fixed, the drive gear (27) and the lift gear (24) ), the upper cylindrical part of the hopper (19) is inserted into the fixed sleeve (28), the outer side wall of the fixed sleeve (28) is fixed with a connecting block (281), and the connecting block (281) is screwed on In the vertical screw (23), an annular ring (192) is formed on the outer side wall of the upper cylindrical portion of the hopper (19), and the annular ring (192) is fixedly connected to the top surface of the fixing sleeve (28) by bolts. 2. An improved screw feeding moving device for an injection molding machine according to claim 1, characterized in that: a heat insulating sleeve (1) is fixed on the inner side wall of the feeding through hole (18), and the discharge part is (191) is inserted into the heat insulating sleeve (1). 3. An improved screw feeding moving device for an injection molding machine according to claim 1, characterized in that: a sliding block (282) is fixed on the side wall of the connecting block (281), and the right side of the supporting column (20) is fixed with a sliding block (282). A vertical guide rail (29) is fixed on the side wall, and a sliding block (282) is inserted into a vertical sliding groove provided on the right side wall of the vertical guide rail (29). 4 . The improved screw feeding moving device for an injection molding machine according to claim 1 , wherein the left end of the tapered portion ( 15 ) is communicated with an injection injection head ( 151 ). 5 . 5. An improved screw feeding moving device for an injection molding machine according to claim 1, characterized in that: the left end of the screw (11) is formed with a conical head (111), and the conical head (111) is inserted into a sleeve in the tapered portion (15). 6. An improved screw feeding moving device for an injection molding machine according to claim 1, characterized in that: a main vertical support plate (40) is fixed in the middle of the top surface of the main moving bottom plate (38), and the main vertical A feed drive motor (41) is fixed on the right side wall of the straight support plate (40), and the output shaft of the feed drive motor (41) passes through the main vertical support plate (40) and is fixed with a feed drive gear (42). ), the feed drive gear (42) meshes with the transmission gear (13). 7. An improved screw feeding moving device for an injection molding machine according to claim 1, characterized in that: a main support column (50) is fixed at the left end of the top surface of the top plate of the frame (30), and the main support An arc-shaped block (51) is fixed on the top surface of the column (50), the bottom of the middle part of the material barrel (10) is inserted into the arc-shaped block (51), and the bottom surface of the middle part of the material barrel (10) is pressed against the arc-shaped block (51). on the top surface of the block (51). 8. An improved screw feeding moving device for an injection molding machine according to claim 7, characterized in that: the top surface of the arc-shaped block (51) is fixed with a self-lubricating layer (52), and the The bottom surface of the middle is pressed against the self-lubricating layer (52).

Images