CN213321331U

CN213321331U - Nozzle aligning structure

Info

Publication number: CN213321331U
Application number: CN202021663614.5U
Authority: CN
Inventors: 卢华乔; 吴永庆
Original assignee: Ningbo Smanl Electric Co ltd
Current assignee: Ningbo Smanl Electric Co ltd
Priority date: 2020-08-11
Filing date: 2020-08-11
Publication date: 2021-06-01
Anticipated expiration: 2030-08-11

Abstract

The utility model discloses a nozzle aligning structure locates on the injection molding machine, and the injection molding machine includes injection seat, feed cylinder, nozzle and injection screw, and injection seat bottom is on the guide rail through two pairs of slip tables sliding connection, and the feed cylinder is connected on the injection seat, and the nozzle is installed at the feed cylinder free end, and the injection screw is worn to establish in injection seat and feed cylinder, and this nozzle aligning structure includes horizontal aligning structure and upper and lower aligning structure, and horizontal aligning structure and upper and lower aligning structure locate on the slip table. Horizontal aligning structure can carry out the nozzle position control on the horizontal direction, and upper and lower aligning structure then carries out nozzle position control in vertical face, and consequently this nozzle aligning structure control range is bigger, and the function is more comprehensive.

Description

Nozzle aligning structure

Technical Field

The utility model relates to an injection molding machine structure, more specifically say, it relates to a nozzle aligning structure.

Background

The injection molding machine is one of main production equipment in the plasticizing industry, an injection mechanism of the injection molding machine is formed by assembling an injection seat, a charging barrel, a nozzle, an injection screw and other components, the components always generate some deviation during processing, the deviation of the components is further accumulated after the components are assembled through fasteners, the center hole of a head plate in a mold mechanism is often eccentric with the nozzle in the injection mechanism, and therefore the phenomenon of material leakage occurs when the injection molding machine runs, and therefore the existing injection molding machine is usually provided with a nozzle aligning structure so that the concentricity of the nozzle and the head plate can be adjusted when necessary. However, the existing nozzle aligning structure is complex in structure or limited in function, and can be adjusted in only one direction. The utility model discloses a position control device is jetted out to injection molding machine injection seat is disclosed as CN202021752U in 2011 11 month 2 days, which comprises a frame, A injection seat support, adjusting screw, ordinary outer hexagon nut, adjusting screw fixing base, there is not oily self-lubricating bearing, the solid fixed ring of adjusting screw, adjusting nut, the tight seat of deciding of screw rod, B injection seat support, linear motion guide rail pair, this device passes through adjusting screw's rotary motion, changes adjusting nut's linear motion into to reach the device of adjusting injection seat support position. When the single-color mold injection and the multi-color mold injection are suitable for the same machine tool and the central position of the injection seat is required to be inconsistent, the position adjustment can be realized through the device. The utility model discloses a device can be so that different moulds can produce on same platform machine. But this utility model can only carry out horizontal injection seat central point and put and adjust, need the vice support of guide rail moreover, and the volume is great, and the structure is complicated.

SUMMERY OF THE UTILITY MODEL

The nozzle aligning structure of the prior injection molding machine has the defects of complex structure and limited function, and the utility model provides a nozzle aligning structure with simple structure and comprehensive function for overcoming the defects.

The technical scheme of the utility model is that: the utility model provides an injection nozzle aligning structure, locates on the injection molding machine, and the injection molding machine includes injection seat, feed cylinder, injection nozzle and injection screw, and injection seat bottom is through two pairs of slip tables sliding connection on the guide rail, and the feed cylinder is connected on the injection seat, and the injection nozzle is installed at the feed cylinder free end, and the injection screw is worn to establish in injection seat and feed cylinder, and this injection nozzle aligning structure includes horizontal aligning structure and upper and lower aligning structure, and horizontal aligning structure and upper and lower aligning structure locate on the slip table. Horizontal aligning structure can carry out the nozzle position control on the horizontal direction, and upper and lower aligning structure then carries out nozzle position control in vertical face, and consequently this nozzle aligning structure control range is bigger, and the function is more comprehensive.

Preferably, the lateral aligning structure is arranged on the inner side of the sliding table. The injection seat is usually built on stilts and is set up, and its below has certain space, and horizontal aligning structure is located the slip table inboard, is located the injection seat below, and disguised good does not increase external dimension, is difficult for receiving unexpected collision for the injection molding machine structure is compacter.

As preferred, injection seat bottom is equipped with a pair of preceding footing and a pair of back footing, and the slip table includes foundation block and adjustable piece, and adjustable piece is connected at the foundation block top and can slightly adjust the position, and the foundation block is connected with the guide rail, and adjustable piece is connected in the front on footing and back footing, horizontal aligning structure includes fixed block and adjusting bolt, and the fixed block is fixed on the foundation block, adjusting bolt threaded connection on the fixed block and with the inboard butt of adjustable piece. When the adjusting bolt is rotated, the rotation of the adjusting bolt can be converted into axial movement to push the adjustable block to move, and the front bottom foot or the rear bottom foot can move along with the adjustable block, so that the transverse adjustment of the injection seat and even the injection nozzle is realized.

Preferably, the upper and lower aligning structure comprises a threaded sleeve, the threaded sleeve is in threaded connection with the adjustable block, the bottom of the threaded sleeve is abutted against the bottom block, a fixing bolt penetrates through the threaded sleeve, the fixing bolt is in clearance fit with the threaded sleeve, the fixing bolt is in threaded connection with the bottom block, and the head of the fixing bolt is pressed on a port of the threaded sleeve. Through rotatory swivel nut, can change the position height of swivel nut, and then change the interval of adjustable piece and end piece to realize the upper and lower regulation of nozzle. After the fixed bolt is loosened by the screw sleeve, the adjustable block and the bottom block can do limited relative movement due to the gap between the fixed bolt and the screw sleeve, so that the transverse adjustment of the injection nozzle is realized.

Preferably, the top end of the screw sleeve is provided with a bayonet. The top end of the threaded sleeve is provided with a bayonet, so that the threaded sleeve can be clamped by a tool conveniently to apply torque.

Preferably, the injection molding machine is an electric injection molding machine. The electric injection molding machine has the advantages of good energy saving performance, quick response, low noise and low pollution.

Alternatively, the injection molding machine is a hydraulic injection molding machine. The hydraulic injection molding machine has low price and large processing force.

The utility model has the advantages that:

the function is complete. The utility model discloses not only can carry out the lateral adjustment of nozzle position, can also carry out adjustment from top to bottom, the control range is bigger, and the function is more comprehensive.

Simple structure and convenient operation. The utility model discloses only need carry out simple adjusting bolt, swivel nut rotation operation, can accomplish the adjustment of injection nozzle position.

The structure of the injection molding machine is more compact and concise. The utility model discloses well horizontal aligning structure is located the slip table inboard, is located injection seat below, and is disguised good, does not increase external dimension for the injection molding machine structure is compacter, succinct.

Drawings

FIG. 1 is a schematic structural view of an injection molding machine to which the present invention is applied;

fig. 2 is a front view of an injection molding machine to which the present invention is applied;

fig. 3 is an axial view of an injection molding machine to which the present invention is applied;

fig. 4 is a schematic structural view of an up-down aligning structure at the position I of the present invention;

fig. 5 is a schematic top view of the driving mechanism of the injection seat of the present invention.

In the figure, 1-an injection seat, 2-a charging barrel, 3-an injection nozzle, 4-a sliding table, 5-a guide rail, 6-a feed motor, 7-a feed screw rod, 8-a front bottom foot, 9-a rear bottom foot, 10-a bottom block, 11-an adjustable block, 12-a fixed block, 13-an adjusting bolt, 14-a screw sleeve, 15-a fixed bolt, 16-a nut plate, 17-a guide rod seat, 18-a guide rod, 19-a connecting block, 20-a head plate, 21-a central hole, 22-a guide rod end plate and 23-a connecting rod.

Detailed Description

The present invention will be further described with reference to the following detailed description of the embodiments.

Example 1:

as shown in fig. 1 to 5, a nozzle aligning structure is provided on an injection molding machine, which is an electric injection molding machine. The injection molding machine comprises an injection seat 1, a charging barrel 2, a nozzle 3, an injection screw and a head plate 20, wherein a central hole 21 of the head plate 20 corresponds to the position of the nozzle 3, and the head plate 20 is fixed on a base of the injection molding machine. Injection seat bottom is through two pairs of slip table sliding connection on the guide rail, and feed cylinder 2 is connected on the injection seat, and injection nozzle 3 installs at 2 free ends of feed cylinder, and injection screw wears to establish in injection seat and feed cylinder 2. This nozzle aligning structure includes horizontal aligning structure and upper and lower aligning structure, and horizontal aligning structure and upper and lower aligning structure locate on the slip table. The horizontal aligning structure is arranged on the inner side of the sliding table, namely between the two sliding tables in pair. Injection seat 1 bottom is equipped with a pair of preceding footing 8 and a pair of back footing 9, and preceding

footing

8, 9 two pairs of slip tables 4 one-to-one connection in back footing, slip table 4 include slip table main part, foundation block 10 and adjustable piece 11, and foundation block 10 is fixed in the slip table main part, and adjustable piece 11 is connected at foundation block 10 top and can be adjusted the position a little, and foundation block 10 is connected with guide rail 5, and adjustable piece 11 is connected in the front on footing 8 and back footing 9, horizontal aligning structure includes fixed block 12 and adjusting bolt 13, and fixed block 12 is fixed on foundation block 10, adjusting bolt 13 threaded connection on fixed block 12 and with the inboard butt of adjustable piece 11. The upper and lower aligning structure comprises a threaded sleeve 14, the threaded sleeve 14 is connected to an adjustable block in a threaded mode, the bottom of the threaded sleeve 14 abuts against a bottom block, a fixing bolt 15 penetrates through the threaded sleeve 14, clearance fit is formed between the fixing bolt 15 and the threaded sleeve 14, the fixing bolt 15 is connected with the bottom block in a threaded mode, and the head of the fixing bolt 15 is tightly pressed on a port of the threaded sleeve 14. The top end of the screw sleeve 14 is provided with a bayonet. Be equipped with feed motor 6 on the slip table 4 under the back footing 9, feed motor 6's output even has a feed screw 7, feed screw 7 end is rotated and is connected in the slip table main part under preceding footing 8, and slip table main part under preceding footing 8 is relatively fixed with feed screw 7 in the axial, be equipped with a nut plate 16 and a guide bar seat 17 of fixing on the injection molding machine base between preceding footing 8 and the back footing 9, feed screw 7 and nut plate 16 threaded connection, even have a pair of parallel guide arm 18 between guide bar seat 17 and the slip table main part under preceding footing 8, guide bar seat 17 central authorities are equipped with the through-hole, feed screw 7 motor place end runs through this through-hole, nut plate 16 sliding connection is on guide arm 18. The nut plate 16 and the guide rod seat 17 are fixedly connected into a whole through a connecting block 19, the guide rod 18 penetrates through the connecting block 19 and the sliding table main body below the front foot 8, a guide rod end plate 22 is arranged between the sliding table 4 below the front foot 8 and the head plate 20, a connecting rod 23 is fixedly connected between the guide rod end plate 22 and the head plate 20, the guide rod end plate 22, the connecting rod 23, the guide rod 18, the nut plate 16 and the guide rod seat 17 form a guide frame, when the feed motor 6 drives the feed screw 7 to rotate, relative rotation between the feed motor 6 and the nut plate 16 is converted into axial driving force of the feed screw 7, and the sliding table 4 and the injection seat 1 are further pushed to move along the guide rail.

If the concentricity of the injection nozzle 3 and the central hole 21 is low, the fixing bolts 15 on all the sliding tables can be loosened, then the adjusting bolts 13 are screwed, the rotation of the adjusting bolts 13 can be converted into axial movement, because a gap exists between the fixing bolts 15 and the threaded sleeves, the axial movement of the adjusting bolts 13 pushes the adjustable block to generate limited relative movement relative to the bottom block 10, and the front bottom foot 8 or the rear bottom foot 9 can move together with the adjustable block, thereby realizing the transverse adjustment of the injection seat 1 and even the injection nozzle 3. The position height of the screw sleeve 14 can be changed by rotating the screw sleeve 14, and then the distance between the adjustable block 11 and the bottom block 10 is changed, so that the injection nozzle 3 is adjusted up and down.

Example 2:

the injection molding machine is a hydraulic injection molding machine. The rest is the same as example 1.

Claims

1. The utility model provides a nozzle aligning structure, locate the injection molding machine on, the injection molding machine includes injection seat (1), feed cylinder (2), nozzle (3) and injection screw, injection seat (1) bottom is through two pairs of slip tables (4) sliding connection on guide rail (5), feed cylinder (2) are connected on injection seat (1), nozzle (3) are installed at feed cylinder (2) free end, injection screw wears to establish in injection seat (1) and feed cylinder (2), characterized by includes horizontal aligning structure and upper and lower aligning structure, horizontal aligning structure and upper and lower aligning structure are located on slip table (4).

2. The nozzle aligning structure according to claim 1, wherein the lateral aligning structure is provided inside the slide table (4).

3. The nozzle self-aligning structure according to claim 1, wherein a pair of front bottom feet (8) and a pair of rear bottom feet (9) are arranged at the bottom of the injection seat (1), the sliding table (4) comprises a bottom block (10) and an adjustable block (11), the adjustable block (11) is connected to the top of the bottom block (10) and can be adjusted slightly, the bottom block (10) is connected with the guide rail (5), the adjustable block (11) is connected to the front bottom feet (8) and the rear bottom feet (9), the transverse self-aligning structure comprises a fixed block (12) and an adjusting bolt (13), the fixed block (12) is fixed on the bottom block (10), and the adjusting bolt (13) is in threaded connection with the fixed block (12) and is abutted to the inner sides of the adjustable block (11).

4. The nozzle self-aligning structure according to claim 3, wherein the upper and lower self-aligning structures comprise screw sleeves (14), the screw sleeves (14) are connected to the adjustable block (11) in a threaded manner, the bottoms of the screw sleeves (14) abut against the bottom block (10), fixing bolts (15) penetrate through the screw sleeves (14), the fixing bolts (15) and the screw sleeves (14) are in clearance fit, the fixing bolts (15) are connected with the bottom block (10) in a threaded manner, and the heads of the fixing bolts (15) are tightly pressed on ports of the screw sleeves (14).

5. The nozzle center-adjusting structure according to claim 4, wherein the top end of the threaded sleeve (14) is provided with a bayonet.

6. The nozzle center adjusting structure according to any one of claims 1 to 5, wherein the injection molding machine is an electric injection molding machine.

7. The nozzle center adjusting structure according to any one of claims 1 to 5, wherein the injection molding machine is a hydraulic injection molding machine.