Bottle opening clamping structure for blow molding equipment

Abstract

The utility model discloses a bottleneck clamping structure for blow molding equipment. The bottleneck clamping structure comprises a transmission seat and a clamp, the clamp comprises an elastic reset piece, two gaskets and two symmetrically-arranged clamping jaws. Arc-shaped clamping grooves are formed in the front ends of the sides, close to each other, of the clamping jaws correspondingly. Two rotating devices are fixed on the transmission seat; the rotating device is provided with rotating shafts, the two clamping jaws are arranged on the rotating shafts on the corresponding sides respectively, the rotating shafts drive the clamping jaws to rotate with the rotating shafts as rotating shafts, the rotating device drives the clamping jaws to rotate with the axes of the clamping jaws as the rotating shafts through the rotating shafts, and the upper ends of the clamping jaws are close to or away from each other. The two ends of the elastic reset piece are connected with the clamping jaws on the corresponding sides respectively. The bottle opening clamping structure is provided with a transmission seat and a clamp, the clamp is controlled by a rotating device to clamp or loosen a bottle opening of a plastic bottle, and then the plastic bottle is moved and taken out through an external driving structure, so that the plastic bottle is prevented from being extruded and collided when being taken out, the deformation condition of the plastic bottle is reduced, and the reject ratio of the plastic bottle is reduced.

Description

Technical Field

[0001] The utility model relates to a clamp for a blow molding machine, in particular to a bottle mouth clamping structure used for blow molding equipment. Background Art

[0002] Plastic bottles are mainly made of materials such as polyethylene or polypropylene and added with a variety of organic solvents. Plastic bottles widely use polyester, polyethylene, and polypropylene as raw materials. After adding corresponding organic solvents, they are heated at high temperatures and then blow-molded, extruded, or injection-molded through plastic molds to form plastic containers.

[0003] After blow molding, the existing plastic bottles still have a high temperature. If squeezed or collided, they are prone to deformation. Workers need to manually clamp the plastic bottles out of the mold. Therefore, when removing the plastic bottles, workers need to be very careful and cannot force the plastic bottles out, which slows down the removal of the plastic bottles. In addition, burns may occur during the clamping process, which is inconvenient for workers to clamp the plastic bottles. Utility Model Content

[0004] The utility model aims to provide a bottle mouth clamping structure for blow molding equipment to solve the problem that when the existing blow molding equipment clamps and removes the blow-molded plastic bottle, the plastic bottle is easily deformed due to the force during the removal process.

[0005] To achieve this purpose, the present invention adopts the following technical solutions:

[0006] The utility model provides a bottle mouth clamping structure for blow molding equipment, comprising a transmission seat and a clamp;

[0007] The clamp includes an elastic reset member, two gaskets and two symmetrically arranged clamping jaws; the front ends of the clamping jaws on the side close to each other are respectively provided with arc-shaped clamping grooves; the transmission seat is fixed with two rotating devices; the rotating device is provided with a rotating shaft, and the two clamping jaws are respectively arranged on the rotating shaft on the corresponding side, and the rotating shaft drives the clamping jaws to rotate with the rotating shaft as the rotating axis, and the rotating device drives the clamping jaws to rotate with their own axis as the rotating axis through the rotating shaft, so that the upper ends of the two clamping jaws approach or move away from each other; the two ends of the elastic reset member are respectively connected to the clamping jaws on the corresponding side;

[0008] The gasket is detachably connected to the arc-shaped clamping groove, and the two gaskets cooperate with each other to form a bottle mouth clamping station.

[0009] In the bottle mouth clamping structure for blow molding equipment, the bottom surface of the arc-shaped clamping groove is recessed upward to form a gasket installation cavity, and the gasket installation cavity is provided with a plurality of gasket fixing holes at intervals. The gasket includes a gasket body and a number of gasket fixing parts that are adapted to the gasket fixing holes; the gasket body is provided with a plurality of gasket through holes that are adapted to the positions of the gasket fixing holes; the gasket is embedded in the gasket installation cavity, and the gasket fixing parts pass through the gasket through holes and are fixedly connected to the gasket fixing holes.

[0010] In the bottle mouth clamping structure for blow molding equipment, a transition arc surface is provided at the connection between the upper end of the gasket body and the arc-shaped clamping groove.

[0011] In the bottle mouth clamping structure for blow molding equipment, a spring installation cavity is provided in the middle of the clamping claw, and a fixing hook is provided in the spring installation cavity, and both ends of the elastic reset member are respectively hung on the fixing hook on the corresponding side.

[0012] In the bottle mouth clamping structure for blow molding equipment, a receiving cavity is provided at the proximal end of the rear end of the clamping jaw, a rotating shaft mounting through hole is provided in the receiving cavity, the rotating shaft passes through the rotating shaft mounting through hole, a limiting member is provided at the end of the rotating shaft, and the limiting member is located in the receiving cavity.

[0013] In the bottle mouth clamping structure for blow molding equipment, the side wall of the gasket is provided with anti-slip grooves.

[0014] In the bottle mouth clamping structure for blow molding equipment, the gasket is made of rubber.

[0015] The bottle mouth clamping structure for blow molding equipment also includes a base and a driving mechanism; the driving mechanism includes a slide rail, a slider, a linear driving device and a transmission arm; the slide rail and the linear driving device are respectively arranged on the base, the slider is slidably assembled on the slide rail, and the transmission seat is fixed to the slider; the linear driving device drives the clamp to move closer to or away from the bottle mouth of the plastic bottle via the slider;

[0016] The linear drive device includes the linear drive device being arranged on a base, one end of the transmission arm being connected to the driving end of the linear drive device, and the other end of the transmission arm being transmission-connected to the transmission seat.

[0017] A technical solution in the present invention can have the following beneficial effects:

[0018] The bottle mouth clamping structure is provided with a transmission seat and a clamp, which is controlled by a rotating device to clamp or release the bottle mouth of the plastic bottle, and then moved by an external driving structure to take out the plastic bottle, thereby preventing the plastic bottle from being squeezed and collided when being taken out, reducing deformation of the plastic bottle, and reducing the defective rate of the plastic bottle. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic structural diagram of one embodiment of the present utility model;

[0020] Figure 2 This is a schematic diagram of the positional relationship between two clamping jaws in one embodiment of the present utility model;

[0021] In the accompanying drawings: a transmission seat 1, an elastic reset member 2, a gasket 3, a clamping claw 4; a base 5, a slide rail 6, a slider 7, a linear drive device 8, and a transmission arm 9;

[0022] Rotating device 11; rotating shaft 12; gasket body 31; gasket fixing member 32; spring mounting cavity 41; fixing hook 42; accommodating cavity 43; limiting member 44;

[0023] Arc-shaped clamping groove 201; gasket fixing hole 202; gasket through hole 310; transition arc surface 311; shaft mounting through hole 431. DETAILED DESCRIPTION

[0024] The following describes embodiments of the present invention in detail. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended only to explain the present invention and are not to be construed as limiting the present invention.

[0025] In the description of the present invention, it should be understood that the terms "longitudinal", "transverse", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings and are only used to facilitate the description of the present invention and simplify the description. They do not indicate or imply that the devices or elements referred to must have a specific direction, be constructed and operate in a specific direction. Therefore, they should not be understood as limitations on the present invention. In addition, features defined as "first" or "second" may explicitly or implicitly include one or more such features, and are used to distinguish between the described features without distinction of order or importance.

[0026] In the description of the present invention, unless otherwise specified, “a plurality of” means two or more.

[0027] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections; direct connections, indirect connections through an intermediate medium, and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0028] Please refer to Figure 1 and 2 , the utility model provides a bottle mouth clamping structure for blow molding equipment, comprising a transmission seat 1 and a clamp;

[0029] The clamp includes an elastic return member 2, two gaskets 3 and two symmetrically arranged clamping jaws 4; the front ends of the clamping jaws 4 on the side close to each other are respectively provided with arc-shaped clamping grooves 201; the transmission base 1 is fixed with two rotating devices 11; the rotating device 11 is provided with a rotating shaft 12, and the two clamping jaws 4 are respectively arranged on the rotating shaft 12 on the corresponding side, and the rotating shaft 12 drives the clamping jaws 4 to rotate with the rotating shaft 12 as the rotating axis, and the rotating device 11 drives the clamping jaws 4 to rotate with their own axis as the rotating axis through the rotating shaft 12, so that the upper ends of the two clamping jaws 4 are close to or away from each other; the two ends of the elastic return member 2 are respectively connected to the clamping jaws 4 on the corresponding side;

[0030] The gasket 3 is detachably connected to the arc-shaped clamping groove 201 , and the two gaskets 3 cooperate with each other to form a bottle mouth clamping station.

[0031] When the clamping jaws 4 come into contact with the formed bottle, the rotating device 11 drives the clamping jaws 4 to rotate outward around the rotating shaft 12, and at the same time, the elastic restoring member 2 extends until the bottle mouth of the formed plastic bottle reaches the bottle mouth clamping station; then, the bottle mouth clamping structure or the plastic bottle is moved to make the bottle mouth of the plastic bottle enter the bottle mouth clamping station; when the bottle mouth of the plastic bottle enters the bottle mouth clamping station, the rotating device 11 drives the clamping jaws 4 to reset, and at the same time, the elastic restoring member 2 contracts, and the clamping jaws 4 rotate inward around the rotating shaft 12.

[0032] The rotating shaft 12 is driven by the rotating device 11 to drive the clamping jaws 4 to rotate with their own axis as the rotating axis, so that the upper ends of the clamping jaws 4 are close to or away from each other, thereby achieving the effect of clamping and releasing the mouth of the plastic bottle. The structure is simple and the operation is convenient. By setting the cooperation between the rotating shaft 12 and the elastic reset member 2, the clamping jaws 4 can clamp the formed bottle more synchronously.

[0033] The bottle mouth clamping structure is provided with a transmission seat 1 and a clamp. The clamp is controlled by a rotating device 11 to clamp or release the bottle mouth of the plastic bottle, and then moved by an external drive structure to remove the plastic bottle, thereby preventing the plastic bottle from being squeezed and collided during removal, reducing the deformation of the plastic bottle, and reducing the defective rate of the plastic bottle. In addition, a replaceable gasket 3 is provided on the clamping jaw 4 to have a heat insulation effect, preventing the residual heat of the molded plastic bottle from being transferred to the entire clamping jaw 4, and preventing the lubricant on the clamping jaw 4 from becoming ineffective due to temperature increase, increasing friction, and resulting in reduced working efficiency and life of the clamping jaw. In addition, the corresponding gasket 3 can be replaced according to the size of the bottle mouth of the plastic bottle, thereby changing the size of the bottle mouth clamping station to adapt to plastic bottles of different sizes and improve the adaptability of the bottle mouth clamping structure.

[0034] In a specific embodiment of the present invention, the rotating device 11 is specifically a motor, and the elastic return member 2 is a spring. The transmission base 1 plays the role of connecting the rotating device 11 so that the clamping jaws 4 on both sides can cooperate with each other to achieve the clamping function.

[0035] Specifically, the bottom surface of the arc-shaped clamping groove 201 is recessed upward with a gasket installation cavity, and the gasket installation cavity is provided with a plurality of gasket fixing holes 202 at intervals. The gasket 3 includes a gasket body 31 and gasket fixing parts 32 whose number is adapted to the gasket fixing holes 202; the gasket body 31 is provided with a plurality of gasket through holes 310 adapted to the positions of the gasket fixing holes 202; the gasket 3 is embedded in the gasket installation cavity, and the gasket fixing parts 32 pass through the gasket through holes 310 and are fixedly connected to the gasket fixing holes 202.

[0036] With this structure, the gasket body 31 is embedded in the gasket mounting cavity via the gasket fixing member 32. The embedded installation of the gasket 3 optimizes space utilization, reduces the space occupied by the gasket 3, and makes the structure more compact, contributing to the lightweight bottle-mouth clamping structure. Furthermore, the embedded structure can better distribute and withstand external loads, thereby improving the strength and stability of the overall structure.

[0037] Specifically, a transition arc surface 311 is provided at the connection between the upper end of the gasket body 31 and the arc-shaped clamping groove 201 .

[0038] With the above structure, when the clamp approaches the bottle mouth, the bottle mouth enters or moves away from the bottle mouth clamping station more smoothly, which enables the bottle mouth to quickly enter or move away from the bottle mouth clamping station, reducing the pressure of the clamp on the bottle mouth, thereby reducing the damage to the bottle mouth caused by the clamp and further reducing the defective rate.

[0039] Specifically, a spring installation cavity 41 is provided in the middle of the clamping jaw 4 , and a fixing hook 42 is provided in the spring installation cavity 41 , and both ends of the elastic return member 2 are respectively hung on the fixing hook 42 on the corresponding side.

[0040] With the above structure, the elastic return member 2 is installed in the spring installation cavity 41, which occupies a reasonable space and reduces the external space occupied by the elastic return member 2, making the structure more compact. It reduces the situation where the elastic return member 2 is disturbed by the external environment and protects the elastic return member 2.

[0041] Specifically, a receiving cavity 43 is provided at the proximal end of the rear end of the clamp 4, and a shaft mounting through hole 431 is provided in the receiving cavity 43. The shaft 12 passes through the shaft mounting through hole 431, and a limiting member 44 is provided at the end of the shaft 12. The limiting member 44 is located in the receiving cavity 43.

[0042] With the above structure, the rotation shaft 12 and the clamping jaw 4 are fixed by the limiting member 44, thereby preventing the clamping jaw 4 from falling out of the rotation shaft 12 and enhancing the stability of the bottle mouth clamping structure.

[0043] Preferably, the sidewall of the gasket 3 is provided with anti-slip grooves. With the above structure, the friction between the gasket 3 and the mouth of the plastic bottle is increased, thereby reducing the possibility of sliding and avoiding the problem of the plastic bottle accidentally falling during the process of taking out the plastic bottle.

[0044] Optionally, the gasket 3 is made of rubber. In a specific embodiment of the present invention, the gasket 3 is made of rubber. Rubber is an excellent thermal insulating material with low thermal conductivity, effectively reducing heat conduction and providing excellent thermal insulation properties. Furthermore, rubber is elastic and flexible, deforming when subjected to force, further reducing damage to the bottle mouth caused by the clamp.

[0045] Preferably, it further includes a base 5 and a driving mechanism; the driving mechanism includes a slide rail 6, a slider 7, a linear driving device 8 and a transmission arm 9; the slide rail 6 and the linear driving device 8 are respectively arranged on the base 5, the slider 7 is slidably assembled on the slide rail 6, and the transmission base 1 is fixed to the slider 7; the linear driving device 8 drives the clamp to move closer to or away from the mouth of the plastic bottle through the slider 7;

[0046] The linear drive device 8 includes the linear drive device 8 being arranged on the base 5 , one end of the transmission arm 9 being connected to the driving end of the linear drive device 8 , and the other end of the transmission arm 9 being transmission-connected to the transmission seat 1 .

[0047] When the clamping jaws 4 need to clamp the mouth of the plastic bottle, the linear drive 8 drives the slider 7 and the transmission base 1 close to the mouth of the plastic bottle; then, the clamping jaws 4 clamp the mouth of the plastic bottle. After the clamping jaws 4 clamp the mouth of the plastic bottle, the linear drive 8 drives the slider 7 and the transmission base 1 to return to the original position, thereby removing the plastic bottle.

[0048] The linear drive device 8 drives the slider 7 and the transmission base 1 to move along the slide rail 6, thereby driving the clamp to approach or move away from the bottle mouth of the plastic bottle, thereby realizing automatic pick-up and placement of the formed bottle. The base 5 plays the role of fixing the drive mechanism.

[0049] The technical principles of the present invention have been described above with reference to specific embodiments. These descriptions are intended solely to illustrate the principles of the present invention and should not be construed in any way as limiting the scope of protection of the present invention. Based on the explanations herein, those skilled in the art will be able to devise other specific embodiments of the present invention without inventive effort, and such equivalent variations or substitutions are encompassed within the scope of the claims of this application.

Claims

1. A bottle mouth clamping structure for blow molding equipment, characterized in that: Including transmission base and clamp; The clamp includes an elastic reset member, two gaskets and two symmetrically arranged clamping jaws; the front ends of the clamping jaws on the side close to each other are respectively provided with arc-shaped clamping grooves; the transmission seat is fixed with two rotating devices; the rotating device is provided with a rotating shaft, and the two clamping jaws are respectively arranged on the rotating shaft on the corresponding side, and the rotating shaft drives the clamping jaws to rotate with the rotating shaft as the rotating axis, and the rotating device drives the clamping jaws to rotate with their own axis as the rotating axis through the rotating shaft, so that the upper ends of the two clamping jaws approach or move away from each other; the two ends of the elastic reset member are respectively connected to the clamping jaws on the corresponding side; The gasket is detachably connected to the arc-shaped clamping groove, and the two gaskets cooperate with each other to form a bottle mouth clamping station.

2. The bottle mouth clamping structure for blow molding equipment according to claim 1, characterized in that: The bottom surface of the arc-shaped clamping groove is recessed upward with a gasket installation cavity, and the gasket installation cavity is provided with a plurality of gasket fixing holes at intervals. The gasket includes a gasket body and a number of gasket fixing parts that are adapted to the gasket fixing holes; the gasket body is provided with a plurality of gasket through holes that are adapted to the positions of the gasket fixing holes; the gasket is embedded in the gasket installation cavity, and the gasket fixing parts pass through the gasket through holes and are fixedly connected to the gasket fixing holes.

3. The bottle mouth clamping structure for blow molding equipment according to claim 1, characterized in that: A transition arc surface is provided at the connection between the upper end portion of the gasket body and the arc-shaped clamping groove.

4. The bottle mouth clamping structure for blow molding equipment according to claim 1, characterized in that: A spring installation cavity is provided in the middle of the clamping jaw, and a fixing hook is provided in the spring installation cavity. Both ends of the elastic reset member are respectively hung on the fixing hook on the corresponding side.

5. The bottle mouth clamping structure for blow molding equipment according to claim 1, characterized in that: A accommodating cavity is provided at the proximal end of the rear end of the clamping jaw, a rotating shaft mounting through hole is provided in the accommodating cavity, the rotating shaft passes through the rotating shaft mounting through hole, a limiting member is provided at the end of the rotating shaft, and the limiting member is located in the accommodating cavity.

6. The bottle mouth clamping structure for blow molding equipment according to claim 1, characterized in that: The side wall of the gasket is provided with anti-slip grooves.

7. The bottle mouth clamping structure for blow molding equipment according to claim 1, characterized in that: The gasket is made of rubber.

8. The bottle mouth clamping structure for blow molding equipment according to claim 1, characterized in that: The invention also includes a base and a driving mechanism; the driving mechanism includes a slide rail, a slider, a linear driving device and a transmission arm; the slide rail and the linear driving device are respectively arranged on the base, the slider is slidably assembled on the slide rail, and the transmission seat is fixed to the slider; the linear driving device drives the clamp to move closer to or away from the bottle mouth of the plastic bottle through the slider. The linear drive device includes the linear drive device being arranged on a base, one end of the transmission arm being connected to the driving end of the linear drive device, and the other end of the transmission arm being transmission-connected to the transmission seat.

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