CN112460159A - Two-shaft connecting device - Google Patents

Two-shaft connecting device Download PDF

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Publication number
CN112460159A
CN112460159A CN202011314038.8A CN202011314038A CN112460159A CN 112460159 A CN112460159 A CN 112460159A CN 202011314038 A CN202011314038 A CN 202011314038A CN 112460159 A CN112460159 A CN 112460159A
Authority
CN
China
Prior art keywords
shaft
sleeve
seat
shaped sliding
telescopic rod
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202011314038.8A
Other languages
Chinese (zh)
Inventor
季永义
文秋荣
王志华
于福宁
李向
莫家安
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guilin Rubber Machinery Co Ltd
Original Assignee
Guilin Rubber Machinery Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guilin Rubber Machinery Co Ltd filed Critical Guilin Rubber Machinery Co Ltd
Priority to CN202011314038.8A priority Critical patent/CN112460159A/en
Publication of CN112460159A publication Critical patent/CN112460159A/en
Pending legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D1/00—Couplings for rigidly connecting two coaxial shafts or other movable machine elements
    • F16D1/10—Quick-acting couplings in which the parts are connected by simply bringing them together axially
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D30/00—Producing pneumatic or solid tyres or parts thereof
    • B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
    • B29D30/08—Building tyres
    • B29D30/10—Building tyres on round cores, i.e. the shape of the core is approximately identical with the shape of the completed tyre
    • B29D30/18—Fitting the bead-rings or bead-cores; Folding the textile layers around the rings or cores
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D30/00—Producing pneumatic or solid tyres or parts thereof
    • B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
    • B29D30/08—Building tyres
    • B29D30/20—Building tyres by the flat-tyre method, i.e. building on cylindrical drums
    • B29D30/24—Drums
    • B29D30/26—Accessories or details, e.g. membranes, transfer rings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D30/00—Producing pneumatic or solid tyres or parts thereof
    • B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
    • B29D30/08—Building tyres
    • B29D30/20—Building tyres by the flat-tyre method, i.e. building on cylindrical drums
    • B29D30/32—Fitting the bead-rings or bead-cores; Folding the textile layers around the rings or cores

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)

Abstract

The invention discloses a two-shaft connecting device, which comprises a shaft seat and a shaft sleeve which are coaxial at the left and right, wherein a bearing seat sleeve is welded in a bearing hole at the left end of the shaft sleeve; the shaft body of the shaft seat is matched with the guide sleeve in a penetrating manner rightwards, at least three radial T-shaped grooves which are uniformly distributed circumferentially are formed in the right end face of the shaft body, T-shaped sliding blocks are arranged in each T-shaped groove in a sliding mode, a telescopic rod which is arranged in the sliding sleeve or a linear bearing is arranged in a shaft hole of the shaft body, the right end of the telescopic rod is connected with each T-shaped sliding block outside the shaft hole through a radial opening and closing mechanism, and the left end of the telescopic rod is connected with an axial telescopic mechanism which is arranged in the; under the drive of the axial telescopic mechanism, the telescopic rods moving left and right drive the T-shaped sliding blocks to synchronously contract and expand through the radial opening and closing mechanism. The two shafts are connected and then rotate together, so that relative displacement is not generated when thrust is applied to each other, and the two shafts can be quickly separated.

Description

Two-shaft connecting device
Technical Field
The invention relates to a shaft connecting mechanism, in particular to a two-shaft connecting device.
Background
The two sides of a forming drum of a traditional tire forming machine are provided with positive and negative wrapping devices pushed by oil cylinders, one side of each positive and negative wrapping device is arranged on a main shaft box of the forming drum, the other side of each positive and negative wrapping device is arranged on a tailstock, the forming drum is supported by the tailstock, and the main shaft box and the tailstock of the forming drum are positioned by positioning pins to prevent displacement during positive and negative wrapping.
The forming drum and the positive and negative wrapping device are arranged on the same shaft, the positive and negative wrapping on the side is equivalent to internal force, and the tail seat can not generate displacement. The tailstock shaft and the forming drum shaft are two parts, and are not positioned in the axial direction, and huge thrust generated by the oil cylinder when the tailstock side is wrapped positively and negatively can cause huge acting force on the positioning pin on the main shaft box side of the forming drum.
The height difference between the positioning pin at the side of the main shaft box of the forming drum and the shaft of the forming drum is about 1.5 meters, so that a force arm of 1.5 meters can be formed, and the force on the positioning pin is amplified by 1.5 times; on-site testing shows that the molding machine used for one year has a displacement of 16mm, and the positioning pin is fixed again and then has a displacement of 6 mm.
Therefore, when the turn-up and turn-down device works, the large thrust of the hydraulic cylinder causes the positioning pin to be easy to loosen, the spindle box deforms, the precision of equipment is influenced, and the manufacturing quality of the tire is adversely affected.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide a two-shaft connecting device which can realize that two shafts can be locked and rotated mutually and can be conveniently and quickly separated.
Can solve above-mentioned technical problem's diaxon connecting device, its technical scheme includes left and right coaxial axle bed and axle sleeve, and the institute difference is:
1. a bearing seat sleeve is welded in a bearing hole at the left end of the shaft sleeve, a rolling bearing is installed in the bearing seat sleeve, and a guide sleeve is installed in the rolling bearing.
2. The shaft body of the shaft seat is matched in the guide sleeve in a penetrating manner rightwards, at least three radial T-shaped grooves which are uniformly distributed on the circumference are formed in the right end face of the shaft body, and T-shaped sliding blocks are arranged in the T-shaped grooves in a sliding manner.
3. The shaft hole of axis body is provided with the telescopic link of installing in sliding sleeve or linear bearing, the right-hand member of telescopic link is connected each "T" type slider through radially opening and shutting the mechanism outside the shaft hole, and the axial telescopic machanism that sets up in the shaft hole is connected to the left end of telescopic link.
4. Under the drive of the axial telescopic mechanism, the telescopic rods moving left and right drive the T-shaped sliding blocks to synchronously contract and expand through the radial opening and closing mechanism.
When each T-shaped sliding block is synchronously contracted to be smaller than the inner diameter of the guide sleeve, the shaft body of the shaft seat can be separated from the guide sleeve, namely the shaft sleeve.
When the T-shaped sliding blocks are synchronously expanded to the guide sleeve, the shaft body of the shaft seat can be connected with the guide sleeve, namely the shaft sleeve, so as to drive the guide sleeve to rotate.
One structure of the radial opening and closing mechanism comprises connecting rods which are arranged corresponding to the T-shaped sliding blocks, the inner ends of the connecting rods are hinged to the right end of the telescopic rod, and the outer ends of the connecting rods are hinged to the corresponding T-shaped sliding blocks.
One structure of the axial telescopic mechanism comprises an opening and closing cylinder installed through a cylinder seat, and a cylinder rod extending rightwards from the opening and closing cylinder is connected with the left end of the telescopic rod.
The application mode of the invention on the forming machine is as follows: the shaft seat is arranged on a main shaft of a forming drum of the forming machine, and the shaft sleeve is arranged on a tailstock of the forming machine.
The invention has the beneficial effects that:
1. the two shafts are connected by the two shaft connecting device and can rotate together, but the two shafts do not generate relative displacement when thrust is applied to each other and can be quickly separated.
2. In the structure of the invention, the two shafts can be locked and rotated mutually, and the separation is convenient and quick.
3. In the structure of the invention, the T-shaped slide block has short stroke and compact structure.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
And (3) identifying the figure number: 1. a shaft seat; 2. a shaft sleeve; 3. a T-shaped sliding block; 4. a telescopic rod; 5. a connecting rod; 6. a bearing housing; 7. a rolling bearing; 8. a guide sleeve; 9. a cylinder block; 10. an opening and closing cylinder; 11. a linear bearing; 12. a travel switch; 13. a fork-shaped connecting rod; 14. and (4) a bracket.
Detailed Description
The technical solution of the present invention will be further explained with reference to the embodiments shown in the drawings.
The invention relates to a two-shaft connecting device, which comprises a shaft seat 1 and a shaft sleeve 2 which are coaxial at the left and the right, wherein the shaft seat 1 is arranged on a main shaft of a forming drum of a forming machine, and the shaft sleeve 2 is arranged on a tail seat of the forming machine.
The shaft seat 1 comprises a shaft body and a flange plate seat at the left end of the shaft body, the shaft hole of the shaft seat 1 is a left inner hole, a middle inner hole and a right inner hole, the middle inner hole is a bearing hole provided with a linear bearing 11, an opening and closing cylinder 10 is arranged in the inner hole at the left end through a cylinder seat 9, a telescopic rod 4 is slidably arranged in the linear bearing 11, the left end of the telescopic rod 4 is connected with a cylinder rod extending rightwards from the opening and closing cylinder 10 in the inner hole at the left end through a fork-shaped connecting rod 13, the right end of the telescopic rod 4 extends out of the inner hole at the right end, and; the right end face of the shaft body of the shaft seat 1 is provided with T-shaped sliding grooves which are uniformly distributed on the circumference, T-shaped sliding blocks 3 are arranged in each T-shaped sliding groove in a sliding mode, connecting rods 5 which are in one-to-one correspondence with the T-shaped sliding blocks 3 are further uniformly distributed on the circumference, the inner ends of the connecting rods 5 are hinged to corresponding positions of a ring seat at the right end of the telescopic rod 4, and the outer ends of the connecting rods 5 are hinged to the corresponding T-shaped sliding blocks 3, as shown in figure 1.
In the structure, the telescopic rod 4 is driven to move left and right by the expansion and contraction of the cylinder rod of the opening and closing cylinder 10, the telescopic rod 4 moves right, the T-shaped sliding block 3 is radially contracted through the connecting rod 5, and the T-shaped sliding block 3 is radially expanded through the connecting rod 5 by the leftward movement of the telescopic rod 4.
A bearing seat sleeve 6 is welded in a bearing hole position at the left end of the shaft sleeve 2, a rolling bearing 7 is installed in the bearing seat sleeve 6, the rolling bearing 7 is axially limited at the bottoms of a left end cover and a sleeve hole of the bearing seat sleeve 6, a guide sleeve 8 is installed in the rolling bearing 7, the left end of the guide sleeve 8 is hooked and limited on the left end of the rolling bearing 7, and the right end of the guide sleeve 8 is limited on the right end of the rolling bearing 7 through a right gland; a travel switch 12 is arranged in a sleeve hole (right side of a bearing hole) of the shaft sleeve 2, the travel switch 12 is installed on a support 14, and the support 14 is installed on the bearing sleeve 6, as shown in fig. 1.
The operation mode of the invention is as follows:
1. the cylinder rod of the opening and closing cylinder 10 drives the telescopic rod 4 to move rightwards, and the telescopic rod 4 drives the T-shaped sliding blocks 3 which are uniformly distributed on the circumference to contract, so that the contraction diameter of the T-shaped sliding blocks is smaller than the diameter of the shaft body of the shaft seat 1, namely, the diameter of the sleeve hole of the guide sleeve 8.
2. The tailstock moves towards the main shaft of the forming drum, the shaft body of the shaft seat 1 is in sliding fit with the guide sleeve 8 and then enters the sleeve hole of the shaft sleeve 2, the ring seat at the right end of the telescopic rod 4 touches the travel switch 12, the travel switch 12 instructs the tailstock to stop in place, and the in-place position, namely the T-shaped sliding blocks 3 uniformly distributed on the circumference, are flush with the right gland.
3. The cylinder rod of the opening and closing cylinder 10 drives the telescopic rod 4 to move leftwards, the telescopic rod 4 drives the T-shaped sliding blocks 3 which are uniformly distributed on the circumference to open, and the T-shaped sliding blocks 3 which are uniformly distributed on the circumference move outwards along the T-shaped sliding grooves and are clamped on the right gland.
4. When the positive and negative wrapping starts, the main shaft of the forming drum drives the guide sleeve 8 to rotate through the shaft body of the shaft seat 1, and the axial thrust generated on the side of the tailstock during the positive and negative wrapping is counteracted by the T-shaped slide block 3 and is not transmitted to the main shaft box of the forming drum and the locating pin of the main shaft box of the forming drum through the main shaft of the forming drum.
5. After the positive and negative wrapping is finished, the cylinder rod of the opening and closing cylinder 10 drives the telescopic rod 4 to move rightwards, the telescopic rod 4 drives the T-shaped sliding blocks 3 which are uniformly distributed on the circumference to contract and return, the tailstock moves back to the main shaft of the forming drum, and the shaft body of the shaft seat 1 is separated from the guide sleeve 8 to realize rapid separation.

Claims (6)

1. Two shaft connecting device, including left and right coaxial axle bed (1) and axle sleeve (2), its characterized in that: a bearing seat sleeve (6) is welded in a bearing hole at the left end of the shaft sleeve (2), a rolling bearing (7) is installed in the bearing seat sleeve (6), and a guide sleeve (8) is installed in the rolling bearing (7); the shaft body of the shaft seat (1) is in right-handed through fit with the guide sleeve (8), at least three radial T-shaped grooves which are uniformly distributed circumferentially are formed in the right end face of the shaft body, T-shaped sliding blocks (3) are arranged in each T-shaped groove in a sliding mode, a telescopic rod (4) which is arranged in a sliding sleeve or a linear bearing (11) is arranged in a shaft hole of the shaft body, the right end of the telescopic rod (4) is connected with each T-shaped sliding block (3) outside the shaft hole through a radial opening and closing mechanism, and the left end of the telescopic rod (4) is connected with an axial telescopic mechanism which is arranged in the; under the drive of the axial telescopic mechanism, the telescopic rods (4) moving left and right drive the T-shaped sliding blocks (3) to synchronously contract and expand through the radial opening and closing mechanism.
2. Two-axis joint according to claim 1, characterized in that: when the T-shaped sliding blocks (3) are synchronously contracted to be smaller than the inner diameter of the guide sleeve (8), the shaft body of the shaft seat (1) is separated from the guide sleeve (8), namely the shaft sleeve (2).
3. Two-axis joint according to claim 1, characterized in that: when the T-shaped sliding blocks (3) are synchronously opened to the guide sleeve (8), the shaft body of the shaft seat (1) and the guide sleeve (8) are connected with the shaft sleeve (2) to drive the guide sleeve (8) to rotate.
4. A two-axis connecting device according to any one of claims 1 to 3, wherein: the radial opening and closing mechanism comprises connecting rods (5) which are arranged corresponding to the T-shaped sliding blocks (3), the inner end of each connecting rod (5) is hinged to the right end of the telescopic rod (4), and the outer end of each connecting rod (5) is hinged to the corresponding T-shaped sliding block (3).
5. A two-axis connecting device according to any one of claims 1 to 3, wherein: the axial telescopic mechanism comprises an opening and closing cylinder (10) installed through a cylinder seat (9), and a cylinder rod extending rightwards from the opening and closing cylinder (10) is connected with the left end of the telescopic rod (4).
6. A two-axis connecting device according to any one of claims 1 to 3, wherein: the shaft seat (1) is arranged on a main shaft of a forming drum of the forming machine, and the shaft sleeve (2) is arranged on a tail seat of the forming machine.
CN202011314038.8A 2020-11-20 2020-11-20 Two-shaft connecting device Pending CN112460159A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011314038.8A CN112460159A (en) 2020-11-20 2020-11-20 Two-shaft connecting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011314038.8A CN112460159A (en) 2020-11-20 2020-11-20 Two-shaft connecting device

Publications (1)

Publication Number Publication Date
CN112460159A true CN112460159A (en) 2021-03-09

Family

ID=74799301

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011314038.8A Pending CN112460159A (en) 2020-11-20 2020-11-20 Two-shaft connecting device

Country Status (1)

Country Link
CN (1) CN112460159A (en)

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