CN114434843A - Be suitable for rubber track of multiple pitch specification production facility for preforming - Google Patents
Be suitable for rubber track of multiple pitch specification production facility for preforming Download PDFInfo
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- CN114434843A CN114434843A CN202111625878.0A CN202111625878A CN114434843A CN 114434843 A CN114434843 A CN 114434843A CN 202111625878 A CN202111625878 A CN 202111625878A CN 114434843 A CN114434843 A CN 114434843A
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- screw rod
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- 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
- B29D29/00—Producing belts or bands
- B29D29/08—Toothed driving belts
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- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Abstract
The production equipment for performing the rubber track suitable for various pitch specifications comprises a rack, wherein a bearing device and a rubber pressing device which are matched with each other are arranged on the rack; the bearing device comprises a bearing plate which can be driven by a reciprocating driving element to move in the longitudinal direction, a core metal positioning plate is arranged on the bearing plate, and core metal positioning holes are arranged on the core metal positioning plate at intervals according to the pitch of the rubber track; the core metal positioning plate is arranged in a replaceable manner; correspondingly, the glue pressing device comprises a pressing plate which can do lifting motion; a variable-lead multi-section combined screw rod is arranged on the lower side of the pressing plate; the optical axis section is provided with a pressure head connected with the optical axis section through a rotary pair structure, and meanwhile, each screw rod section is connected with one pressure head through a spiral pair structure to form a pressure head group distributed at equal intervals. The production equipment for preforming the rubber track can be used for manufacturing preformed pieces of rubber tracks with different pitch specifications, and has good universality.
Description
Technical Field
The invention relates to equipment for producing a rubber track, in particular to production equipment for preforming the rubber track, which is suitable for various pitch specifications.
Background
Before vulcanization molding of the rubber track, iron teeth (core metal) are required to be embedded into rubber in advance according to a specified pitch, in the existing rubber track molding process, the method comprises the steps of paving the rubber on a jig designed according to the track specification pitch, then placing the iron teeth according to the specification pitch, then paving a layer of thin rubber skin, poking the iron teeth one by one along the length direction edge of the iron teeth by using a pointed object similar to a screwdriver manually, performing by using the viscosity of the rubber to obtain a preformed piece, then placing the preformed piece into a rubber track mold, and performing vulcanization molding together with a framework (such as a steel wire rope framework) to obtain a rubber track product. The disadvantages of this pre-forming operation are: the efficiency is low, the labor intensity of workers is high, the positioning pitch of the iron teeth is unstable, the preforming effect is not good, and the iron teeth are easy to fall out. To overcome this problem, my company developed and patented a rubber track preforming device (patent No. ZL 201020257254.9). The rubber track preforming device can replace manpower to achieve the preforming purpose, and has the characteristic of high production efficiency, but production practices show that the device has the following defects: the production requirements of the rubber track with single pitch specification can only be met, the rubber tracks with different pitches need to be finished on different equipment, and the universality is not realized.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides production equipment for preforming the rubber track, which is suitable for various pitch specifications. The production equipment for preforming the rubber track can be used for manufacturing preformed pieces of rubber tracks with different pitch specifications, and has good universality.
The technical scheme of the invention is as follows:
the production equipment for performing the rubber track suitable for various pitch specifications comprises a rack, wherein a bearing device and a rubber pressing device which are matched with each other are arranged on the rack; the bearing device comprises a bearing plate which can be driven by a reciprocating driving element to move in the longitudinal direction, a core metal positioning plate is arranged on the bearing plate, and core metal positioning holes are arranged on the core metal positioning plate at intervals according to the pitch of the rubber track; the core metal positioning plate is arranged in a replaceable manner; correspondingly, the glue pressing device comprises a pressing plate, the pressing plate is connected with at least one guide rod vertically arranged on the rack through a sliding pair to form guide fit, and the pressing plate can be driven by a lifting driving element arranged above the pressing plate to do lifting motion; the lower side of the pressing plate is transversely provided with a variable-lead multi-section combined screw rod, the variable-lead multi-section combined screw rod comprises a group of screw rod subsections which are connected in sequence, the first screw rod subsection is in transmission connection with an optical axis section which can be driven by a screw rod driving motor, and the lead of the nth screw rod subsection is n times of the lead of the first screw rod subsection; the optical axis section is provided with a pressure head connected with the optical axis section through a rotary pair structure, and each screw rod section is connected with one pressure head through a spiral pair structure to form a pressure head group distributed at equal intervals; the tops of all the pressure heads are connected with the pressure applying plate in a sliding mode to form a limiting structure for limiting rotation.
Compared with the prior art, in the technical scheme of the invention, the core metal positioning plate is arranged in a replaceable manner, and the glue pressing device with a specific structure is adopted, when the variable-lead multi-section combined lead screw rotates, because the lead of the nth lead screw section is n times of the lead of the first lead screw section, and the moving distance of the pressure head on the nth lead screw section is n times of the moving distance of the pressure head on the first lead screw section, all the pressure heads are always distributed at equal intervals, so that the pre-forming production requirements of rubber tracks with different pitch specifications can be met by the variable-lead multi-section combined lead screw driving pressure head, and the equipment has universality.
As an optimization, in the aforementioned production equipment for preforming the rubber track suitable for various pitch specifications: the front end and the rear end of the screw rod subsections are respectively and correspondingly provided with a torque force transmission head and a torque force transmission hole, and two adjacent screw rod subsections form a torque force transmission structure through the matching of the torque force transmission heads and the torque force transmission holes to realize transmission connection. The torque transmission head is matched with the torque transmission hole to realize transmission connection, the structure is reliable, and the manufacture is easy. Furthermore, a threaded hole is correspondingly formed in one end, provided with the torsion transmission hole, of the screw rod subsection; two adjacent screw rod subsections are locked by screws arranged in the threaded holes. Through screw locking, can further improve connection structure's reliability.
As an optimization, in the aforementioned production equipment for preforming the rubber track suitable for various pitch specifications: a baffle is arranged between two adjacent screw rod subsections. Through setting up the separation blade, during the assembly, only need adjust the pressure head to lean on with the separation blade counterbalance, can realize the equidistance distribution of pressure head for the assembly degree of difficulty obtains reducing. Further, the baffle can be fixed by the pressing effect of the end faces of the two screw rod subsections on the two sides of the baffle.
As an optimization, in the aforementioned production equipment for preforming the rubber track suitable for various pitch specifications: the pressure head comprises a base block connected with the variable-lead multi-section combined screw rod, and a buffer pressing block which can float in the vertical direction and is reset by spring force is arranged on the lower side of the base block; the lower surface of base block is equipped with the tucking that distributes in groups, and is corresponding, be equipped with the pinhole on the buffering briquetting in groups, when the buffering briquetting upwards floated, the tucking stretches out from the pinhole. The pressure head adopts this kind of structure, and the buffering function of buffering briquetting plays the guard action. Furthermore, the lower surface of the base block is provided with two rows of pressing pins distributed along the longitudinal direction. Through the tucking that sets up two rows along longitudinal distribution at the lower surface of base block, tucking is in large quantity, and during preforming, tucking is closer with the distance of neighbouring indisputable tooth, is favorable to improving preforming quality.
As an optimization, in the aforementioned production equipment for preforming the rubber track suitable for various pitch specifications: the lift drive member may be a hydraulic cylinder.
As an optimization, in the aforementioned production equipment for preforming the rubber track suitable for various pitch specifications: and the upper side surface of the pressing plate is provided with a group of reinforcing ribs. The rigidity of the pressing plate can be improved by arranging the reinforcing ribs, and the service life is prolonged.
As an optimization, in the aforementioned production equipment for preforming the rubber track suitable for various pitch specifications: the two bearing devices are respectively arranged at two sides of the position below the pressing plate. Therefore, when one pressure-bearing device executes the preforming task, the other pressure-bearing device is loaded, and the production efficiency is improved. Further, the two carriers may share a set of longitudinally disposed guide rails.
Drawings
FIG. 1 is a schematic view of the overall structure of a production apparatus for preforming rubber crawler belts of various pitch specifications according to the present invention (example);
FIG. 2 is a front view of the apparatus of FIG. 1;
FIG. 3 is a top view of the apparatus of FIG. 1;
FIG. 4 is a schematic structural view of the lead screw segment of FIG. 1;
FIG. 5 is a schematic view of the construction of the indenter of FIG. 1;
FIG. 6 is a front view (with partial cutaway) of the indenter of FIG. 1;
fig. 7 is a schematic structural diagram of a preforming actuator composed of the variable lead multi-stage combined screw rod 7 and the pressing head group in fig. 1.
The labels in the figures are: 1-a frame; 2-a bearing plate; 3-core metal positioning plate, 301-core metal positioning hole; 4-pressing plate; 5-a guide rod; 6-a lifting drive element; 7-variable lead multi-section combined screw rod, 701-first screw rod subsection, 7011-torque transmission head, 7012-torque transmission hole, 7013-threaded hole, 702-optical axis section and 703-baffle plate; 8-pressure head, 801-base block, 802-buffer pressing block and 803-pressing needle; and 9-a screw rod driving motor.
Detailed Description
The invention is further illustrated by the following figures and examples, which are not to be construed as limiting the invention. In the following examples, those not described in detail are conventional means or common technical knowledge in the art.
Referring to fig. 1-7, the production equipment for preforming the rubber track suitable for various pitch specifications comprises a frame 1, wherein a bearing device and a rubber pressing device which are matched with each other are arranged on the frame 1; the bearing device comprises a bearing plate 2 which can be driven by a reciprocating driving element to move in the longitudinal direction, a core metal positioning plate 3 is arranged on the bearing plate 2, and core metal positioning holes 301 are arranged on the core metal positioning plate 3 at intervals according to the pitch of the rubber track; different from the prior art, in the equipment, the core metal positioning plate 3 is arranged in a replaceable manner; correspondingly, the glue pressing device comprises a pressing plate 4, the pressing plate 4 is connected with at least one guide rod 5 vertically arranged on the rack through a sliding pair to form guide fit, and the pressing plate 4 can be driven by a lifting driving element 6 arranged above the pressing plate to do lifting motion; the lower side of the pressure applying plate 4 is transversely provided with a variable-lead multi-section combined screw rod 7, the variable-lead multi-section combined screw rod 7 comprises a group of screw rod subsections 701 which are connected in sequence, the first screw rod subsection 701 is in transmission connection with an optical axis section 702 which can be driven by a screw rod driving motor 9, and the lead of the nth screw rod subsection 701 is n times of the lead of the first screw rod subsection 701 (namely the lead of the first screw rod subsection 701 is P, the lead of the second screw rod subsection 701 is 2P, the lead of the third screw rod subsection 701 is 3P, and the like, so that the drawing is convenient, and the change of the lead is not embodied in the drawing); the optical axis section 702 is provided with a pressure head 8 connected with the optical axis section through a rotary pair structure, and meanwhile, each screw rod subsection 701 is connected with one pressure head 8 through a spiral pair structure to form a pressure head group distributed at equal intervals; the tops of all the pressing heads 8 are connected with the pressing plate 4 in a sliding mode to form a limiting structure for limiting rotation.
In the invention, the variable-lead multi-section combined screw rod 7 and the pressure head group form a preforming execution mechanism, the pressure heads 8 are distributed at equal intervals, the pressure heads 8 arranged on the optical axis section 702 cannot move axially, and the pressure heads 8 arranged on the screw rod subsections 701 can move axially, because the lead of the nth screw rod subsection 701 in the variable-lead multi-section combined screw rod 7 is n times of the lead of the first screw rod subsection 701, after the screw rod driving motor 9 drives the variable-lead multi-section combined screw rod 7 to rotate, the pressure heads 8 are still distributed at equal intervals. When preforming operation is needed, the core metal positioning plate 3 which is matched with the rubber track is installed or replaced according to the pitch of the rubber track, and the pressing heads 8 are adjusted through the variable-lead multi-section combined screw rod 7, so that the pressing heads 8 are distributed according to the pitch of the rubber track.
Example (b):
in this embodiment, the front end and the rear end of the lead screw subsegment 701 are respectively and correspondingly provided with a torque transmission head 7011 and a torque transmission hole 7012, and two adjacent lead screw subsegments 701 form a torque transmission structure through the matching of the torque transmission head 7011 and the torque transmission hole 7012 to realize transmission connection. When the screw rod mechanism works, the previous screw rod section 701 drives the next screw rod section 701 to rotate through a torsion transmission structure. In this embodiment, the optical axis segment 702 is also in transmission connection with the first lead screw subsection 701 of the variable-lead multi-segment combined lead screw 7 through this structure.
In this embodiment, a threaded hole 7013 is correspondingly formed at one end of the screw rod subsection 701, where the torque transmission hole 7012 is formed; two adjacent screw rod subsections 701 are locked by screws (for convenience of drawing, the screws are not shown in the drawing) installed in the threaded holes 7013. Thus, the reliability is further improved.
In this embodiment, a baffle 703 is disposed between two adjacent screw rod subsections 701. By arranging the blocking piece 703, when assembling, the pressing heads 8 are abutted against the blocking piece 703 corresponding to the front end of the screw rod subsection 701, so that the equal distribution of the pressing heads 8 of the pressing head group can be ensured (the initial state after assembling is as shown in fig. 7, and at this time, the distance between two adjacent pressing heads 8 is the minimum pitch that the equipment can process). In this embodiment, a baffle 703 is also disposed between the optical axis segment 702 and the first lead screw subsection 701 of the variable lead multi-segment combined lead screw 7.
In this embodiment, the baffle 703 is fixed by the end surface compression of the two screw rod subsections 701 on both sides thereof.
In this embodiment, the pressure head 8 includes a base block 801 connected with the variable-lead multi-stage combined screw rod 7, and a buffer pressing block 802 which can float in the vertical direction and is reset by spring force is arranged at the lower side of the base block 801; the lower surface of the base block 801 is provided with pressing needles 803 distributed in groups, correspondingly, the buffer pressing block 802 is provided with needle holes in groups, and when the buffer pressing block 802 floats upwards, the pressing needles 803 extend out of the needle holes.
In this embodiment, two rows of pressing pins 803 are disposed on the lower surface of the base block 801. (in this embodiment, 6 pins per row)
In this embodiment, the lifting driving element is a hydraulic cylinder. The lifting driving element adopts a hydraulic cylinder, so that the reliability is good, and the implementation is easy.
In this embodiment, a set of ribs 401 is disposed on the upper surface of the pressing plate 4. The pressing plate 4 can be prevented from being deformed by providing the reinforcing ribs 401.
In this embodiment, the two carrying devices are respectively disposed on two sides of the lower position of the pressing plate 4. The two carrying devices share a guide rail. Through setting up two carrier devices, when one of them carries out preforming operation, can carry out the material loading operation on another carrier device to can improve production efficiency.
When the scheme of the invention is implemented, one device can be provided with a plurality of preforming executing mechanisms. In this embodiment, two preforming actuators are arranged on the lower side of the pressing plate 4, the variable-lead combined screws 7 of the two preforming actuators are connected end to form a transmission connection, the former variable-lead combined screw 7 is directly driven by the screw driving motor 9, and the torque force is transmitted to the latter variable-lead combined screw 7. This embodiment makes it possible to produce two preforms by providing two preforming mechanisms, one pressing action. In this embodiment, the variable-lead combined lead screw 7 has 6 lead screw subsections 701, and in the implementation of the invention, the number of the lead screw subsections 701 can be determined according to actual requirements, and the number of the lead screw subsections 701 is designed to be smaller, so that the device can obtain a wider pitch adjustment range.
The above general description of the invention and the description of the specific embodiments thereof, as referred to in this application, should not be construed as limiting the technical solutions of the invention. Those skilled in the art can add, reduce or combine the technical features disclosed in the general description and/or the specific embodiments (including the examples) to form other technical solutions within the protection scope of the present application according to the disclosure of the present application without departing from the structural elements of the present invention.
Claims (10)
1. The production equipment for preforming the rubber track suitable for various pitch specifications comprises a rack (1), wherein a bearing device and a rubber pressing device which are matched with each other are arranged on the rack (1); the bearing device comprises a bearing plate (2) which can be driven by a reciprocating driving element to move in the longitudinal direction, a core metal positioning plate (3) is arranged on the bearing plate (2), and core metal positioning holes (301) are formed in the core metal positioning plate (3) at intervals according to the pitch of the rubber track;
the method is characterized in that: the core metal positioning plate (3) is arranged in a replaceable manner; correspondingly, the glue pressing device comprises a pressing plate (4), the pressing plate (4) is connected with at least one guide rod (5) vertically arranged on the rack through a sliding pair to form guide fit, and the pressing plate (4) can be driven by a lifting driving element (6) arranged above the pressing plate to do lifting motion; the lower side of the pressing plate (4) is transversely provided with a variable-lead multi-section combined screw rod (7), the variable-lead multi-section combined screw rod (7) comprises a group of screw rod subsections (701) which are connected in sequence, the first screw rod subsection (701) is in transmission connection with an optical axis section (702) which can be driven by a screw rod driving motor (9), and the lead of the nth screw rod subsection (701) is n times of that of the first screw rod subsection (701); the optical axis section (702) is provided with a pressure head (8) connected with the optical axis section through a rotary pair structure, and each screw rod subsection (701) is connected with one pressure head (8) through a spiral pair structure to form a pressure head group distributed at equal intervals; the tops of all the pressure heads (8) are connected with the pressure applying plate (4) in a sliding mode to form a limiting structure for limiting rotation.
2. The production apparatus for preforming a rubber crawler adapted to have various pitches as claimed in claim 1, wherein: the front end and the rear end of the screw rod subsections (701) are respectively and correspondingly provided with a torque force transmission head (7011) and a torque force transmission hole (7012), and two adjacent screw rod subsections (701) form a torque force transmission structure through the matching of the torque force transmission head (7011) and the torque force transmission hole (7012) to realize transmission connection.
3. The production apparatus for preforming a rubber crawler according to claim 2, wherein: a threaded hole (7013) is correspondingly formed in one end, provided with a torsion transmission hole (7012), of the screw rod subsection (701); two adjacent screw rod subsections (701) are locked by screws arranged in threaded holes (7013).
4. The production apparatus for preforming a rubber crawler according to claim 1, wherein: a baffle plate (703) is arranged between two adjacent screw rod subsections (701).
5. The production apparatus for preforming a rubber crawler according to claim 4, wherein: the baffle plate (703) can be fixed by the pressing effect of the end surfaces of the two screw rod subsections (701) on the two sides of the baffle plate.
6. The production apparatus for preforming a rubber crawler according to claim 1, wherein: the pressure head (8) comprises a base block (801) connected with the variable-lead multi-section combined screw rod (7), and a buffer pressing block (802) which can float in the vertical direction and is reset by spring force is arranged on the lower side of the base block (801); the lower surface of the base block (801) is provided with pressing needles (803) distributed in groups, correspondingly, the buffer pressing block (802) is provided with needle holes in groups, and when the buffer pressing block (802) floats upwards, the pressing needles (803) extend out of the needle holes.
7. The production apparatus for preforming a rubber crawler according to claim 6, wherein: the lower surface of the base block (801) is provided with two rows of pressing pins (803) distributed along the longitudinal direction.
8. The production apparatus for preforming a rubber crawler according to claim 1, wherein: the lifting driving element is a hydraulic cylinder.
9. The production apparatus for preforming a rubber crawler according to claim 1, wherein: the upper side surface of the pressing plate (4) is provided with a group of reinforcing ribs (401).
10. The production apparatus for preforming a rubber track adaptable to various pitch specifications as claimed in any one of claims 1 to 9, wherein: the two bearing devices are respectively arranged at two sides of the position below the pressing plate (4).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111625878.0A CN114434843A (en) | 2021-12-28 | 2021-12-28 | Be suitable for rubber track of multiple pitch specification production facility for preforming |
| PCT/CN2022/119774 WO2023124274A1 (en) | 2021-12-28 | 2022-09-20 | Production equipment suitable for pre-forming of rubber tracks having various pitch specifications |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111625878.0A CN114434843A (en) | 2021-12-28 | 2021-12-28 | Be suitable for rubber track of multiple pitch specification production facility for preforming |
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| Publication Number | Publication Date |
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| CN114434843A true CN114434843A (en) | 2022-05-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111625878.0A Pending CN114434843A (en) | 2021-12-28 | 2021-12-28 | Be suitable for rubber track of multiple pitch specification production facility for preforming |
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| Country | Link |
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| CN (1) | CN114434843A (en) |
| WO (1) | WO2023124274A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023124274A1 (en) * | 2021-12-28 | 2023-07-06 | 元创科技股份有限公司 | Production equipment suitable for pre-forming of rubber tracks having various pitch specifications |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201728844U (en) * | 2010-07-07 | 2011-02-02 | 王文杰 | Special equipment for rubber track preforming |
| CN205703330U (en) * | 2016-03-22 | 2016-11-23 | 冯杰华 | Installation governor motion for frock clamp |
| CN112243865A (en) * | 2020-10-21 | 2021-01-22 | 张笑笑 | Multi-functional livestock-raising uses big-arch shelter with adjustable grid |
| CN112531425A (en) * | 2020-11-13 | 2021-03-19 | 深圳市锦凌电子有限公司 | Servo row of equidistance synchronization regulation is female |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3273420B2 (en) * | 1994-10-07 | 2002-04-08 | 株式会社ブリヂストン | Method for producing steel cord band for rubber crawler |
| CN203766044U (en) * | 2014-04-01 | 2014-08-13 | 王文杰 | Rubber belt track pre-forming iron tooth pressing machine with adjustable interval |
| CN114434843A (en) * | 2021-12-28 | 2022-05-06 | 元创科技股份有限公司 | Be suitable for rubber track of multiple pitch specification production facility for preforming |
-
2021
- 2021-12-28 CN CN202111625878.0A patent/CN114434843A/en active Pending
-
2022
- 2022-09-20 WO PCT/CN2022/119774 patent/WO2023124274A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201728844U (en) * | 2010-07-07 | 2011-02-02 | 王文杰 | Special equipment for rubber track preforming |
| CN205703330U (en) * | 2016-03-22 | 2016-11-23 | 冯杰华 | Installation governor motion for frock clamp |
| CN112243865A (en) * | 2020-10-21 | 2021-01-22 | 张笑笑 | Multi-functional livestock-raising uses big-arch shelter with adjustable grid |
| CN112531425A (en) * | 2020-11-13 | 2021-03-19 | 深圳市锦凌电子有限公司 | Servo row of equidistance synchronization regulation is female |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023124274A1 (en) * | 2021-12-28 | 2023-07-06 | 元创科技股份有限公司 | Production equipment suitable for pre-forming of rubber tracks having various pitch specifications |
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| Publication number | Publication date |
|---|---|
| WO2023124274A1 (en) | 2023-07-06 |
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