Pitch changing mechanism of multi-cavity continuous heating bottle blowing machine

Abstract

The utility model discloses a multi-cavity continuous heating bottle blowing machine pitch changing mechanism which comprises a plurality of blank feeding guide rail cushion blocks, a blank moving X air cylinder seat is installed on the tops of the blank feeding guide rail cushion blocks, a first air cylinder is installed on the blank moving X air cylinder seat, a first linear sliding block guide rail is installed on the tops of the blank feeding guide rail cushion blocks, and a second linear sliding block guide rail is installed on the linear sliding block guide rail. A blank moving X driving seat is mounted on an upper slide way of the linear slide block guide rail I, and the output end of the air cylinder I is connected with the blank moving X driving seat; a blank moving Y-shaped material is installed on the top of the blank moving X-shaped driving base, a blank moving Y-shaped air cylinder base is installed on the blank moving Y-shaped material, a front blank moving block and a rear blank moving block are installed on the blank moving Y-shaped material in a sliding way, and the front blank moving block and the rear blank moving block are installed on the blank moving Y-shaped material through a blank moving Y-shaped driving base sliding way. The stroke of the second air cylinder and the stroke of the third air cylinder are different, two bottle blanks are pulled apart by a certain distance (bottle blowing distance) from the initial adjacent distance through the second air cylinder and the third air cylinder, the distance changing function is achieved, the structure is simple, and operation is easy.

Description

Technical Field

[0001] The utility model relates to the technical field of bottle blowing machines, in particular to a variable pitch mechanism of a multi-cavity continuous heating bottle blowing machine. Background Art

[0002] A blow molding machine for producing plastic bottles typically consists of a loading unit, a conveying unit, a heating unit, a blow molding unit, and a finished product removal unit. During the production process, preforms are fed from the loading unit to the conveying unit, heated to a predetermined temperature by the heating unit, and then sent to the blow molding unit for blow molding within the mold. Finally, the finished product is removed from the finished product removal unit.

[0003] In order to improve production efficiency, multiple cavities are usually set in the mold of the blow molding unit so that several bottle blanks can be blown into finished products at the same time. This requires that before the bottle blanks are fed into the blow molding unit, the spacing between the bottle blanks needs to be changed so that the spacing between the bottle blanks corresponds to the spacing between the cavities in the mold, that is, the spacing between the bottle blank holders needs to be changed.

[0004] At present, the structure for changing the spacing of the bottle blank holders has a large positioning deviation of the spacing between the bottle blank holders, and the processing difficulty and cost are high, which is not conducive to the development of the enterprise. Utility Model Content

[0005] The purpose of the utility model is to provide a variable pitch mechanism for a multi-cavity continuous heating bottle blowing machine to solve the problems raised in the above background technology.

[0006] To achieve the above objectives, the present invention provides the following technical solutions: a variable pitch mechanism for a multi-cavity continuous heating bottle blowing machine, comprising a plurality of embryo delivery guide rail pads, the top of each embryo delivery guide rail pad being mounted with an embryo transfer X-cylinder seat, and a cylinder 1 being mounted on the embryo transfer X-cylinder seat, a linear slider guide rail 1 being mounted on the top of each embryo delivery guide rail pad, and an embryo transfer X-drive seat being mounted on the upper slideway of the linear slider guide rail 1, and the output end of the cylinder 1 being connected to the embryo transfer X-drive seat;

[0007] The embryo transfer Y profile is installed on the top of the embryo transfer X drive seat, and the embryo transfer Y cylinder seat is installed on the embryo transfer Y profile. The embryo transfer Y profile slide is installed with the front embryo transfer block and the rear embryo transfer block, and the front embryo transfer block and the rear embryo transfer block are both installed on the embryo transfer Y profile through the embryo transfer Y drive seat slide.

[0008] Cylinder 2 and cylinder 3 are respectively installed on the two embryo transfer Y cylinder seats located at the ends of the embryo transfer Y profile, and the output ends of cylinder 2 and cylinder 3 are connected to the corresponding embryo transfer Y drive seats.

[0009] Preferably, there are two embryo transfer Y-cylinder seats, and the two embryo transfer Y-cylinder seats are respectively located on the side where the front embryo block and the rear embryo block are away from each other.

[0010] Preferably, the output ends of the cylinder 2 and the cylinder 3 are connected to the corresponding embryo transfer Y drive seat through the floating joint 1.

[0011] Preferably, the output end of the cylinder 1 is connected to the embryo transfer X drive seat through a floating joint 2.

[0012] Preferably, a bottle discharging shock-absorbing fixed plate is installed on one side of the embryo transfer Y-profile, and hydraulic buffers are installed on the embryo transfer Y cylinder seat and the bottle discharging shock-absorbing fixed plate where the rear embryo transfer block is away from the front embryo transfer block.

[0013] Preferably, a shock absorber is installed between the two embryo transfer Y cylinder seats of the forward embryo transfer block and the rear embryo transfer block that are close to each other.

[0014] Preferably, a second linear slider guide rail is installed on the embryo transfer Y-profile, and an embryo transfer guide rail fixing block is installed on the second linear slider guide rail.

[0015] Compared with the prior art, the beneficial effects of the present invention are:

[0016] Cylinders 2 and 3 share a set of guide rails. When cylinder 2 is retracted and cylinder 3 is extended, two adjacent preforms are transported into the mold after heating. At this time, cylinder 2 extends and cylinder 3 retracts. The strokes of cylinders 2 and 3 are different. At this time, the two preforms are pulled apart by a certain distance (blowing pitch) from their initial adjacent distance, realizing the variable distance function. The structure is simple and the operation is easy. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model;

[0018] Figure 2 This is a side view structural diagram of the utility model;

[0019] Figure 3 This is a schematic diagram of the top view of the structure of the utility model;

[0020] Figure 4 This is a schematic structural diagram of the AA portion of the utility model;

[0021] Figure 5 This is an enlarged structural diagram of Part I of the utility model.

[0022] In the figure: 1. Cylinder 1; 2. Cylinder 2; 3. Cylinder 3; 4. Linear slider guide rail 1; 5. Linear slider guide rail 2; 6. Floating joint 1; 7. Floating joint 2; 8. Embryo transfer X-drive seat; 9. Embryo transfer Y-cylinder seat; 10. Embryo transfer X-cylinder seat; 11. Embryo delivery guide rail pad; 12. Embryo transfer Y-profile; 13. Front embryo transfer block; 14. Embryo transfer guide rail fixing block; 15. Embryo transfer Y-drive seat; 16. Rear embryo transfer block; 17. Shock absorber; 18. Hydraulic buffer; 19. Bottle discharge shock-absorbing fixing plate. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0024] See also Figure 1-5 The utility model provides a technical solution: a variable pitch mechanism of a multi-cavity continuous heating bottle blowing machine, comprising a plurality of embryo feeding guide rail pads 11, an embryo transfer X cylinder seat 10 is installed on the top of the embryo feeding guide rail pad 11, and a cylinder 1 is installed on the embryo transfer X cylinder seat 10, a linear slider guide rail 4 is installed on the top of the embryo feeding guide rail pad 11, and an embryo transfer X drive seat 8 is installed on the slideway of the linear slider guide rail 4, and the output end of the cylinder 1 is connected to the embryo transfer X drive seat 8;

[0025] The embryo transfer Y profile 12 is installed on the top of the embryo transfer X drive seat 8, and the embryo transfer Y cylinder seat 9 is installed on the embryo transfer Y profile 12. The front embryo transfer block 13 and the rear embryo transfer block 16 are installed on the slide of the embryo transfer Y profile 12. The front embryo transfer block 13 and the rear embryo transfer block 16 are both installed on the embryo transfer Y profile 12 through the slide of the embryo transfer Y drive seat 15;

[0026] The two embryo transfer Y cylinder seats 9 located at the ends of the embryo transfer Y profile 12 are respectively installed with cylinder 2 2 and cylinder 3 3 , and the output ends of cylinder 2 2 and cylinder 3 3 are connected to the corresponding embryo transfer Y drive seats 15 .

[0027] In the present invention, there are two embryo transfer Y-cylinder seats 9, and the two embryo transfer Y-cylinder seats 9 are respectively located on the side where the front embryo transfer block 13 and the rear embryo transfer block 16 are away from each other.

[0028] In the present invention, the output ends of cylinder 2 2 and cylinder 3 3 are connected to the corresponding embryo transfer Y drive seat 15 through floating joint 1 6 .

[0029] In the present invention, the output end of the cylinder 1 is connected to the embryo transfer X drive seat 8 through the floating joint 2 7.

[0030] In the present invention, a bottle discharging shock-absorbing fixed plate 19 is installed on one side of the embryo transfer Y profile 12, and a hydraulic buffer 18 is installed on the embryo transfer Y cylinder seat 9 and the bottle discharging shock-absorbing fixed plate 19 where the rear embryo transfer block 16 is away from the front embryo transfer block 13.

[0031] In the present invention, a shock absorber 17 is installed between the two embryo transfer Y cylinder seats 9 where the forward embryo block 13 and the rearward embryo block 16 are close to each other, so as to facilitate the forward embryo block 13 and the rearward embryo block 16 to move relative to each other and prevent collision and shock.

[0032] In the present invention, a linear slider guide rail 2 5 is installed on the embryo transfer Y-profile 12 , and an embryo transfer guide rail fixing block 14 is installed on the linear slider guide rail 2 5 .

[0033] The working principle of this utility model is as follows: cylinder 2 and cylinder 3 share a set of guide rails. Cylinder 2 is retracted and cylinder 3 is extended. After heating, two adjacent preforms are transported into the mold. At this time, cylinder 2 is extended and cylinder 3 is retracted. The strokes of cylinder 2 and cylinder 3 are different. At this time, the two preforms are pulled apart by a certain distance (blowing distance) from the initial adjacent distance, realizing the variable distance function.

[0034] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field. Although the embodiments of the present invention have been shown and described, it is understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A variable pitch mechanism for a multi-cavity continuous heating bottle blowing machine, characterized by: It comprises a plurality of embryo delivery guide rail pads (11), the top of the embryo delivery guide rail pads (11) is installed with an embryo transfer X cylinder seat (10), and the embryo transfer X cylinder seat (10) is installed with a cylinder 1 (1), the top of the embryo delivery guide rail pads (11) is installed with a linear slider guide rail 1 (4), and the upper slide of the linear slider guide rail 1 (4) is installed with an embryo transfer X drive seat (8), and the output end of the cylinder 1 (1) is connected to the embryo transfer X drive seat (8); The top of the embryo transfer X drive seat (8) is installed with an embryo transfer Y profile (12), and the embryo transfer Y cylinder seat (9) is installed on the embryo transfer Y profile (12), and the slideway on the embryo transfer Y profile (12) is installed with a forward embryo transfer block (13) and a rearward embryo transfer block (16), and the forward embryo transfer block (13) and the rearward embryo transfer block (16) are both installed on the embryo transfer Y profile (12) through the slideway of the embryo transfer Y drive seat (15); Cylinder 2 (2) and cylinder 3 (3) are respectively installed on the two embryo transfer Y cylinder seats (9) located at the ends of the embryo transfer Y profile (12), and the output ends of cylinder 2 (2) and cylinder 3 (3) are connected to the corresponding embryo transfer Y drive seat (15).

2. The variable pitch mechanism of a multi-cavity continuous heating bottle blowing machine according to claim 1, characterized in that: There are two embryo transfer Y-cylinder seats (9), and the two embryo transfer Y-cylinder seats (9) are respectively located on the side away from each other of the front embryo transfer block (13) and the rear embryo transfer block (16).

3. The variable pitch mechanism of a multi-cavity continuous heating bottle blowing machine according to claim 1, characterized in that: The output ends of the cylinder 2 (2) and the cylinder 3 (3) are connected to the corresponding embryo transfer Y drive seat (15) through the floating joint 1 (6).

4. The variable pitch mechanism of a multi-cavity continuous heating bottle blowing machine according to claim 1, characterized in that: The output end of the cylinder 1 (1) is connected to the embryo transfer X drive seat (8) through the floating joint 2 (7).

5. The variable pitch mechanism of a multi-cavity continuous heating bottle blowing machine according to claim 1, characterized in that: A bottle-discharging shock-absorbing fixed plate (19) is installed on one side of the embryo transfer Y-profile (12), and a hydraulic buffer (18) is installed on the embryo transfer Y cylinder seat (9) and the bottle-discharging shock-absorbing fixed plate (19) of the rear embryo transfer block (16) away from the front embryo transfer block (13).

6. The variable pitch mechanism of a multi-cavity continuous heating bottle blowing machine according to claim 1, characterized in that: A shock absorber (17) is installed between the two embryo transfer Y cylinder seats (9) of the forward embryo transfer block (13) and the rear embryo transfer block (16) which are close to each other.

7. The variable pitch mechanism of a multi-cavity continuous heating bottle blowing machine according to claim 1, characterized in that: The embryo transfer Y-profile (12) is provided with a second linear slider guide rail (5), and an embryo transfer guide rail fixing block (14) is provided on the second linear slider guide rail (5).

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