CN216914593U - Arm head double-transmission mechanism of rotational molding equipment - Google Patents

Abstract

The utility model discloses an arm head double transmission mechanism of rotational molding equipment, which comprises a driving component, an arm head component, a die disc and a die, wherein the driving component and the arm head component are arranged, a spindle motor and a countershaft motor of the driving component respectively drive a countershaft and a spindle to rotate, the spindle drives the arm head component to rotate forward and backward, the upper side and the lower side of an arm head fixing shaft of the arm head component are respectively provided with an arm head large bevel gear, the countershaft drives two arm head large bevel gears to rotate forward and backward through the rotation of an arm head small bevel gear, the two arm head large bevel gears are mutually independent and do opposite movement under the drive of the arm head small bevel gear, the die is arranged on the die disc, the die disc is arranged on the arm head large bevel gears at the two sides of the arm head component and follows the forward and backward rotation of the arm head large bevel gears, the rotating directions of the die at the two sides of the arm head component are mutually opposite because of the rotating directions of the arm head large bevel gears are mutually opposite, the rotating directions of the die at the two sides of the arm head component are mutually opposite, and do not influence the transmission of hot air during the production process, the quality problem caused by uneven heating of the product is solved.

Description

Arm head double-transmission mechanism of rotational molding equipment

Technical Field

The utility model relates to the related field of rotational molding equipment, in particular to a dual-arm-head transmission mechanism of rotational molding equipment.

Background

Rotational molding of a rotational molding machine is a technological method for molding hollow plastic products, which is also called rotational molding, rotational molding or rotary molding, the rotational molding process is to add plastic raw materials into a mold, then the mold continuously rotates along two vertical shafts and is heated, so that the plastic raw materials in the mold are gradually and uniformly coated and fused on the whole surface of a mold cavity under the action of gravity and heat energy to be molded into a required shape, and then the product is obtained after cooling, shaping and demolding.

In the production process of the existing rotational molding machine, because the molds arranged on the two sides of the arm head rotate in the same direction, hot air is blocked from being transferred mutually, and the temperature difference exists between other parts of the molds and the temperature difference exists between the other parts and the temperature difference of the installation position.

SUMMERY OF THE UTILITY MODEL

Therefore, in order to solve the above disadvantages, the present invention provides a dual arm head transmission mechanism of a rotational molding apparatus.

The utility model is realized in this way, construct a rotational moulding apparatus arm head double drive mechanism, the apparatus includes drive assembly and arm head assembly, the left end of the said drive assembly links with arm head assembly, the upper and lower both sides of the said arm head assembly have mould discs separately, and the top and bottom of two upper and lower mould discs install the mould separately, the said drive assembly includes main axis motor, main axis motor gear, main axis gear, countershaft motor gear, countershaft, main axis, bearing bracket, main axis bearing, countershaft bearing and supporting plate, the output shaft of the said main axis motor links with centre of a circle of main axis motor gear, the rear end of the said main axis motor gear intermeshes with main axis gear, the centre of a circle of the said main axis gear links with main axis, the output shaft of the said countershaft motor links with countershaft motor gear, the rear end of the countershaft motor gear intermeshes with countershaft gear, the center of the circle of the auxiliary shaft gear is connected with an auxiliary shaft, auxiliary shaft bearings are fixed at the left end and the right end inside the main shaft, the left end of the auxiliary shaft penetrates through the auxiliary shaft bearings inside the main shaft and is connected with the arm head assembly, the left end of the main shaft penetrates through the main shaft bearings and is connected with the arm head assembly, the main shaft bearings are installed on a bearing seat, and the main shaft motor, the auxiliary shaft motor and the bearing seat are all fixed on a support plate.

Preferably, the arm head assembly comprises small arm head bevel gears, an arm head main body, an arm head fixing shaft, a first arm head cover plate, a bearing, large arm head bevel gears, a bearing base plate, an arm head nut and a second arm head cover plate, the left end of the arm head main body is fixedly connected with the middle part of the arm head fixing shaft, the upper and lower sides of the small arm head bevel gear are respectively meshed with the large arm head bevel gear, the big bevel gear of the arm head is sleeved outside the bearing, the inner side of the big bevel gear of the arm head is supported by the first arm head cover plate, the inner wall of the first arm head cover plate is fixedly connected with the bone fixing shaft, a bearing backing plate is arranged at the outer side of the circle center of the big bevel gear of the arm head, and the two bearing backing plates are locked and fixed through the arm head nut, a second arm head cover plate is fixed on the outer side of the arm head nut, the right end of the small arm end bevel gear is fixedly connected with the auxiliary shaft, the right end of the arm end main body is connected with the main shaft, and the outer side of the large arm end bevel gear is fixedly connected with the die disc.

Preferably, the main shaft gear and the main shaft are concentrically arranged, and the main shaft bearing and the main shaft are concentrically arranged.

Preferably, the countershaft gear is concentric with the countershaft, and the countershaft is concentric with the main shaft and the countershaft bearing.

Preferably, the arm head fixing shaft, the bearing and the circle center of the large arm head bevel gear are arranged on the same vertical line.

Preferably, the two large arm head bevel gears are arranged symmetrically up and down, and are engaged with the small arm head bevel gears.

Preferably, the small bevel gear of the arm head and the auxiliary shaft are arranged concentrically.

The utility model has the following advantages: the utility model provides a double-arm-head transmission mechanism of rotational molding equipment, which is improved by the following steps compared with the same type of equipment:

the utility model relates to an arm head double transmission mechanism of rotational molding equipment, which is provided with a driving component and an arm head component, wherein a main shaft motor and a secondary shaft motor of the driving component respectively drive a secondary shaft and a main shaft to rotate, the main shaft drives the arm head component to rotate forward and backward, the upper side and the lower side of an arm head fixed shaft of the arm head component are respectively provided with an arm head big bevel gear, the secondary shaft drives an arm head small bevel gear to rotate, so that the arm head small bevel gear rotates to drive two arm head big bevel gears to rotate forward and backward, the two arm head big bevel gears are arranged on a bearing and are mutually independent and are driven by the arm head small bevel gear to do opposite movement, a mold is arranged on a mold disc, the mold disc is arranged on the arm head big bevel gears at the two sides of the arm head component and follows the forward and backward rotation movement of the arm head big bevel gears, the rotation directions of the molds at the two sides of the arm head component are mutually opposite because the rotation directions of the arm head big bevel gears are mutually opposite, and the hot air is not interfered with each other during the production process, the quality problem caused by uneven heating of the product is solved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the drive assembly of the present invention;

fig. 3 is a schematic view of the construction of the arm head assembly of the present invention.

Wherein: the device comprises a driving assembly-1, an arm head assembly-2, a die disc-3, a die-4, a main shaft motor-101, a main shaft motor gear-102, a main shaft gear-103, a counter shaft motor-104, a counter shaft motor gear-105, a counter shaft gear-106, a counter shaft-107, a main shaft-108, a bearing seat-109, a main shaft bearing-110, a counter shaft bearing-111, a support plate-112, an arm head small bevel-tooth-201, an arm head main body-202, an arm head fixing shaft-203, a first arm head cover plate-204, a bearing-205, an arm head large bevel-tooth-206, a bearing backing plate-207, an arm head nut-208 and a second arm head cover plate-209.

Detailed Description

The present invention will be described in detail with reference to fig. 1 to 3, and the technical solutions in the embodiments of the present invention will be clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, the utility model provides a dual-arm-head transmission mechanism of rotational molding equipment by improvement, which comprises a driving assembly 1 and an arm head assembly 2, wherein the left end of the driving assembly 1 is connected with the arm head assembly 2, the upper side and the lower side of the arm head assembly 2 are respectively provided with a mold 3, and the tops and the bottoms of the upper mold 3 and the lower mold 3 are respectively provided with a mold 4.

Referring to fig. 1, the utility model provides a dual-head transmission mechanism of arm of rotational molding equipment by improvement, a driving assembly 1 includes a main shaft motor 101, a main shaft motor gear 102, a main shaft gear 103, a counter shaft motor 104, a counter shaft motor gear 105, a counter shaft gear 106, a counter shaft 107, a main shaft 108, a bearing seat 109, a main shaft bearing 110, a counter shaft bearing 111 and a support plate 112, an output shaft of the main shaft motor 101 is connected with a circle center of the main shaft motor gear 102, a rear end of the main shaft motor gear 102 is engaged with the main shaft gear 103, a circle center of the main shaft gear 103 is connected with the main shaft 108, an output shaft of the counter shaft motor 104 is connected with the counter shaft motor gear 105, a rear end of the counter shaft motor gear 105 is engaged with the counter shaft gear 106, a circle center of the counter shaft gear 106 is connected with the counter shaft 107, the counter shaft bearings 111 are fixed at left and right ends inside the main shaft 108, a left end of the counter shaft 107 penetrates through the counter shaft bearing 111 inside the main shaft 108 to be connected with an arm head assembly 2, the left end of a main shaft 108 penetrates through a main shaft bearing 110 to be connected with the arm head assembly 2, the main shaft bearing 110 is installed on a bearing seat 109, a main shaft motor 101, a secondary shaft motor 104 and the bearing seat 109 are all fixed on a support plate 112, a main shaft gear 103 and the main shaft 108 are arranged concentrically, the main shaft bearing 110 and the main shaft 108 are arranged concentrically, the main shaft 108 is driven to rotate concentrically through the main shaft gear 103, the main shaft 108 is supported through the main shaft bearing 110 to ensure the rotation precision of the main shaft 108, a secondary shaft gear 106 and a secondary shaft 107 are arranged concentrically, the secondary shaft 107, the main shaft 108 and the secondary shaft bearing 111 are arranged concentrically, the secondary shaft 107 is driven to rotate concentrically through the secondary shaft gear 106, and the secondary shaft 107 is supported through the secondary shaft bearing 111 to enable the secondary shaft 107 to rotate concentrically on the main shaft 108.

Referring to fig. 1, the utility model provides a dual arm head transmission mechanism of rotational molding equipment by improvement, an arm head assembly 2 comprises a small arm head bevel 201, an arm head main body 202, an arm head fixing shaft 203, a first arm head cover plate 204, a bearing 205, a large arm head bevel 206, a bearing backing plate 207, an arm head nut 208 and a second arm head cover plate 209, the left end of the arm head main body 202 is fixedly connected with the middle part of the arm head fixing shaft 203, the upper and lower sides of the small arm head bevel 201 are respectively engaged with the large arm head bevel 206, the large arm head bevel 206 is sleeved outside the bearing 205, the inner side of the large arm head bevel 206 is supported by the first arm head cover plate 204, the inner wall of the first arm head cover plate 204 is fixedly connected with the bone 203, the bearing backing plate 207 is arranged outside the center of the large arm head bevel 206, the two bearing backing plates 207 are locked by the arm head nut 208, the second arm head cover plate 209 is fixed outside the arm head nut 208, the right end of the arm head small bevel gear 201 is fixedly connected with the auxiliary shaft 107, the right end of the arm head main body 202 is connected with the main shaft 108, the outer side of the arm head large bevel gear 206 is fixedly connected with the die plate 3, the circle centers of the arm head fixing shaft 203, the bearing 205 and the arm head large bevel gear 206 are arranged in the same vertical line, the arm head large bevel gear 206 is supported through the bearing 205, the rotating precision of the arm head large bevel gear 206 is guaranteed, the two arm head large bevel gears 206 are arranged in a vertically symmetrical mode, the two arm head large bevel gears 206 are meshed with the arm head small bevel gear 201, the arm head small bevel gear 201 rotates to drive the two arm head large bevel gears 206 to rotate in opposite directions, the arm head small bevel gear 201 and the auxiliary shaft 107 are arranged in a concentric mode, and the arm head small bevel gear 201 is driven to rotate in a concentric mode through the auxiliary shaft 107.

The utility model provides a double-transmission mechanism of arm heads of rotational molding equipment through improvement, and the working principle is as follows;

firstly, before use, the power connection ports of the main shaft motor 101 and the auxiliary shaft motor 104 are connected with control equipment with an external power supply;

secondly, when the device is used, the main shaft motor 101 and the auxiliary shaft motor 104 are respectively controlled, the main shaft motor 101 is controlled to generate power to drive the circle center of the main shaft motor gear 102 to rotate through an output shaft, the main shaft motor gear 102 drives the main shaft gear 103 on the rear side to rotate, the main shaft gear 103 and the main shaft 108 are arranged concentrically, the main shaft bearing 110 and the main shaft 108 are arranged concentrically, the main shaft gear 103 drives the main shaft 108 to rotate concentrically, the main shaft bearing 110 supports the main shaft 108 to ensure the rotation precision of the main shaft 108, the main shaft 108 rotates to drive the arm head assembly 2 to rotate through the arm head main body 202, and the arm head assembly 2 drives the die disc 3 and the die 4 to perform revolution motion;

thirdly, the auxiliary shaft motor 104 is controlled to generate power to drive the circle center of the auxiliary shaft motor gear 105 to rotate through the output shaft, the auxiliary shaft motor gear 105 drives the auxiliary shaft gear 106 to rotate, the auxiliary shaft gear 106 and the auxiliary shaft 107 are arranged concentrically, the auxiliary shaft 107 is arranged concentrically with the main shaft 108 and the auxiliary shaft bearing 111, the auxiliary shaft 107 is driven to rotate concentrically through the auxiliary shaft gear 106, the auxiliary shaft 107 is supported through the auxiliary shaft bearing 111, the auxiliary shaft 107 rotates concentrically on the main shaft 108, the small arm head bevel gears 201 are driven to rotate concentrically through the auxiliary shaft 107, two large arm head bevel gears 206 are arranged symmetrically up and down, the two large arm head bevel gears 206 are meshed with the small arm head bevel gear 201, the small arm head bevel gears 201 rotate to drive the two large arm head bevel gears 206 to rotate in opposite directions, and the rotating directions of the dies 4 on two sides of the arm head assembly 2 are opposite to each other due to the rotating directions of the large arm head bevel gears 206, the hot gas transmission is not hindered in the production process, and the quality problem of products caused by uneven heating is solved.

The utility model provides an arm head double transmission mechanism of rotational molding equipment through improvement, a driving component 1 and an arm head component 2 are arranged, a main shaft motor 01 and a secondary shaft motor 04 of the driving component 1 respectively drive a secondary shaft 07 and a main shaft 08 to rotate, the arm head component 2 is driven to rotate forward and backward through a main shaft 108, arm head big bevel gears 06 are respectively arranged on the upper side and the lower side of an arm head fixing shaft 203 of the arm head component 2, an arm head small bevel gear 01 is driven to rotate through a secondary shaft 107, the arm head small bevel gear 01 is driven to rotate to drive two arm head big bevel gears 206 to rotate forward and backward, the two arm head big bevel gears 206 are arranged on a bearing 205 and are mutually independent and do opposite movement under the driving of the arm head small bevel gear 201, a mold 4 is arranged on the mold 3, the mold 3 is arranged on the arm head big bevel gears 206 on the two sides of the arm head component 2 and moves forward and backward along with the arm head big bevel gears 206, and backward rotation directions of the arm heads 206 are opposite, the rotation directions of the dies 4 on the two sides of the arm head assembly 2 are opposite to each other, the hot air transmission is not obstructed in the production process, and the quality problem of products caused by uneven heating is solved.

The basic principles and main features of the present invention and the advantages of the present invention have been shown and described, and the standard parts used in the present invention are all available on the market, the special-shaped parts can be customized according to the description and the accompanying drawings, the specific connection mode of each part adopts the conventional means of bolt and rivet, welding and the like mature in the prior art, the machinery, parts and equipment adopt the conventional type in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, and the details are not described herein.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (7)

1. The utility model provides a two drive mechanism of rotational moulding equipment arm head which characterized in that: the arm head assembly comprises a driving assembly (1) and an arm head assembly (2), wherein the left end of the driving assembly (1) is connected with the arm head assembly (2), die plates (3) are respectively arranged on the upper side and the lower side of the arm head assembly (2), dies (4) are respectively arranged at the top and the bottom of the upper die plate and the lower die plate (3), the driving assembly (1) comprises a main shaft motor (101), a main shaft motor gear (102), a main shaft gear (103), a countershaft motor (104), a countershaft motor gear (105), a countershaft gear (106), a countershaft (107), a main shaft (108), a bearing seat (109), a main shaft bearing (110), a countershaft bearing (111) and a support plate (112), an output shaft of the main shaft motor (101) is connected with the circle center of the main shaft motor gear (102), the rear end of the main shaft motor gear (102) is meshed with the main shaft gear (103), and the circle center of the main shaft gear (103) is connected with the main shaft (108), an output shaft of the auxiliary shaft motor (104) is connected with an auxiliary shaft motor gear (105), the rear end of the auxiliary shaft motor gear (105) is meshed with the auxiliary shaft gear (106), the circle center of the auxiliary shaft gear (106) is connected with an auxiliary shaft (107), auxiliary shaft bearings (111) are fixed at the left end and the right end of the inner portion of the main shaft (108), the left end of the auxiliary shaft (107) penetrates through the auxiliary shaft bearing (111) of the inner portion of the main shaft (108) to be connected with the arm head assembly (2), the left end of the main shaft (108) penetrates through the main shaft bearing (110) to be connected with the arm head assembly (2), the main shaft bearing (110) is installed on a bearing seat (109), and the main shaft motor (101), the auxiliary shaft motor (104) and the bearing seat (109) are fixed on a support plate (112).

2. The arm head double transmission mechanism of the rotational molding equipment as claimed in claim 1, wherein: the arm head assembly (2) comprises an arm head small bevel gear (201), an arm head main body (202), an arm head fixing shaft (203), a first arm head cover plate (204), a bearing (205), an arm head large bevel gear (206), a bearing base plate (207), an arm head nut (208) and a second arm head cover plate (209), wherein the left end of the arm head main body (202) is fixedly connected with the middle part of the arm head fixing shaft (203), the upper side and the lower side of the arm head small bevel gear (201) are respectively meshed with the arm head large bevel gear (206), the arm head large bevel gear (206) is sleeved on the outer side of the bearing (205), the inner side of the arm head large bevel gear (206) is supported by the first arm head cover plate (204), the inner wall of the first arm head cover plate (204) is fixedly connected with the arm head fixing shaft (203), the outer side of the circle center of the arm head large bevel gear (206) is provided with the bearing base plate (207), and the two bearing base plates (207) are locked by the arm head nut (208), a second arm head cover plate (209) is fixed on the outer side of the arm head nut (208), the right end of the small arm head bevel gear (201) is fixedly connected with the auxiliary shaft (107), the right end of the arm head main body (202) is connected with the main shaft (108), and the outer side of the large arm head bevel gear (206) is fixedly connected with the die disc (3).

3. The arm head double transmission mechanism of the rotational molding equipment as claimed in claim 1, wherein: the main shaft gear (103) and the main shaft (108) are arranged concentrically, and the main shaft bearing (110) and the main shaft (108) are arranged concentrically.

4. The arm head double transmission mechanism of the rotational molding equipment as claimed in claim 1, wherein: the auxiliary shaft gear (106) and the auxiliary shaft (107) are arranged concentrically, and the auxiliary shaft (107) and the main shaft (108) and the auxiliary shaft bearing (111) are arranged concentrically.

5. The arm head double transmission mechanism of the rotational molding equipment as claimed in claim 2, wherein: the circle centers of the arm head fixing shaft (203), the bearing (205) and the arm head big bevel gear (206) are arranged on the same vertical line.

6. The arm head double transmission mechanism of the rotational molding equipment as claimed in claim 2, wherein: the two large arm head bevel gears (206) are arranged symmetrically from top to bottom, and the two large arm head bevel gears (206) are meshed with the small arm head bevel gear (201).

7. The arm head double transmission mechanism of the rotational molding equipment as claimed in claim 2, wherein: the small bevel gear (201) of the arm head and the auxiliary shaft (107) are arranged concentrically.

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