CN215969935U - Single-cylinder elastic injection mechanism of hollow shaft hydraulic motor - Google Patents
Single-cylinder elastic injection mechanism of hollow shaft hydraulic motor Download PDFInfo
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- CN215969935U CN215969935U CN202121328619.7U CN202121328619U CN215969935U CN 215969935 U CN215969935 U CN 215969935U CN 202121328619 U CN202121328619 U CN 202121328619U CN 215969935 U CN215969935 U CN 215969935U
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Abstract
The utility model discloses a single-cylinder elastic injection mechanism with a hollow shaft hydraulic motor, which solves the problems of troublesome installation and higher cost of a screw and a main shaft of the hydraulic motor in the injection mechanism in the prior art.
Description
Technical Field
The utility model relates to the technical field of injection mechanisms, in particular to a hollow shaft hydraulic motor single-cylinder elastic injection mechanism.
Background
In the present life, the demand for various products is increasing, the production efficiency of the production form of the previous manual or semi-mechanical production is lower, the market demand can not be met, the injection molding machine is just under the condition, the injection molding machine can produce the products in large batch, the production efficiency of some products is greatly improved, the market demand can be met, the injection molding machine generally comprises a mold closing system and an injection system, but in the prior art, the injection system has more problems and needs to be improved and optimized.
In the injection system, a screw is driven to rotate by a hydraulic motor generally, materials in a charging barrel are melted and molded, the screw is driven to move in the horizontal direction by an injection cylinder after the completion, the melted and molded materials are discharged into a mold cavity through an injection hole, but a main shaft of the existing hydraulic motor is connected with the screw through a coupling and drives the screw to synchronously rotate, but in the assembling process, the concentricity of the screw and the main shaft of the hydraulic motor is difficult to guarantee, more time is needed for guaranteeing the concentricity, the concentricity is easy to cause that the standard requirement cannot be met, the injection precision is low, and the cost for adopting the coupling is high.
Disclosure of Invention
The utility model has been made in view of the above problems, and an object of the present invention is to provide a hollow shaft hydraulic motor single cylinder elastic injection mechanism, which can save cost and is convenient to install.
In order to achieve the above object, the present invention provides a single-cylinder elastic injection mechanism of a hollow shaft hydraulic motor, comprising:
the head plate is provided with an injection hole;
a shooting pedestal disposed at one side of the head plate;
the injection seat is movably arranged on the injection seat;
one end of the charging barrel is arranged on the head plate, the other end of the charging barrel is arranged on the injection seat, a screw is arranged in the charging barrel, one end of the screw is arranged outside the charging barrel, and a discharging port which is arranged on the charging barrel is communicated with the injection hole;
the hollow shaft hydraulic motor is movably arranged on the shooting pedestal, and one end of the screw rod, which is arranged outside the charging barrel, is rotatably inserted into the hollow shaft hydraulic motor;
the injection oil cylinder is arranged at one end, far away from the head plate, of the injection seat, the hollow shaft hydraulic motor is close to a base plate arranged on one side of the injection oil cylinder, a first piston rod of the injection oil cylinder is connected with the base plate through a pressing plate, the screw rod penetrates through the base plate and is arranged on one side of the pressing plate, and a gap is formed between the pressing plate and the base plate.
According to the hollow shaft hydraulic motor single-cylinder elastic injection mechanism, the hollow shaft hydraulic motor comprises a shell, a main shaft and a driving piece, the main shaft is rotatably arranged in the shell, a central hole penetrating through two end faces of the main shaft is formed in the main shaft, one end of a screw rod is clamped in the central hole, and the driving piece is used for driving the main shaft to rotate.
According to the hollow shaft hydraulic motor single-cylinder elastic injection mechanism, the driving part comprises a plurality of plunger cylinders, the plunger cylinders are circumferentially and uniformly arranged on the outer side of the shell, each plunger cylinder is provided with a connecting rod, the main shaft is provided with an eccentric shaft, and the connecting rods can stretch into the shell and can be abutted against one side of the eccentric shaft.
According to the hollow shaft hydraulic motor single-cylinder elastic injection mechanism, the hollow shaft hydraulic motor further comprises an oil supply part, the oil supply part comprises an oil supply cover, an oil distribution disc and a transmission shaft, the oil supply cover is arranged on the outer side of the shell, the oil distribution disc is arranged on the inner side of the oil supply cover, and the transmission shaft is arranged between the plunger cylinder and the oil distribution disc and used for transmitting pressure oil for the plunger cylinder.
According to the single-cylinder elastic injection mechanism with the hollow shaft hydraulic motor, one side, away from the screw, of the pressing plate is provided with the pressing block, and the first piston rod of the injection oil cylinder is connected with the pressing block.
According to the above hollow shaft hydraulic motor single cylinder elastic injection mechanism, the injection mechanism further comprises a hopper, wherein the hopper is arranged above the charging barrel, and a feeding hole is formed in the hopper and communicated with the inside of the charging barrel.
According to the above single-cylinder elastic injection mechanism with the hollow shaft hydraulic motor, the injection pedestal is provided with a plurality of slide rails, and the injection pedestal and the hollow shaft hydraulic motor are arranged on the slide rails in a sliding manner through the slide blocks.
According to the above single-cylinder elastic injection mechanism with the hollow shaft hydraulic motor, the injection seat is provided with the injection moving oil cylinders symmetrically arranged on two sides of the machine barrel, the head plate is provided with the joints in one-to-one correspondence with the injection moving oil cylinders, and the injection moving oil cylinders are provided with the second piston rods connected with the joints.
According to the above single-cylinder elastic injection mechanism for the hollow shaft hydraulic motor, the single-cylinder elastic injection mechanism further comprises a glue pumping oil cylinder, and the glue pumping oil cylinder is used for driving the screw to reset.
The utility model has the following beneficial effects:
1. a central hole is arranged on the main shaft of the hollow shaft hydraulic motor, and one end of the screw rod is clamped in the central hole, so that the concentricity of the screw rod and the main shaft of the hollow shaft hydraulic motor can be directly ensured, and the screw rod and the motor can be conveniently installed;
2. the screw rod is directly installed and positioned with the hollow shaft hydraulic motor, so that a coupling is avoided, and meanwhile, the main shaft can also adopt a hollow structure, so that the material is saved, and the device cost can be reduced;
3. the hollow shaft hydraulic motor can move along with the movement of the screw rod through the slide rail, so that the conflict between the rotation of the screw rod and the translation of the screw rod can be avoided;
4. a gap is formed between the screw and the pressing plate, so that the rotation of the screw can be prevented from being influenced;
5. only the motor, the screw rod and the piston rod act synchronously during injection, and the injection device has small volume, light weight and small brake inertia, thereby having higher injection precision.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the assembly of the screw of the present invention with a hollow shaft hydraulic motor;
FIG. 3 is a schematic view of the hollow shaft hydraulic motor of the present invention;
FIG. 4 is a schematic view of the spindle configuration of the present invention;
in the figure: 100. a head plate; 110. an injection hole; 120. a joint; 200. a shooting pedestal; 210. a slide rail; 300. an injection seat; 310. a slider; 320. an ejection moving oil cylinder; 321. a second piston rod; 400. a charging barrel; 410. a screw; 420. a discharge port; 500. a hollow shaft hydraulic motor; 510. a base plate; 520. a housing; 530. a main shaft; 531. a central bore; 532. an eccentric shaft; 540. a plunger cylinder; 541. a connecting rod; 551. an oil supply cover; 552. an oil distributing disc; 553. a transmission shaft; 600. an injection oil cylinder; 610. a first piston rod; 620. pressing a plate; 621. briquetting; 700. a hopper; 710. a feed inlet; 800. and a glue pumping oil cylinder.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
As shown in fig. 1-4, a hollow shaft hydraulic motor single cylinder elastic injection mechanism comprises:
the head plate 100, the head plate 100 is provided with an injection hole 110, and the injection hole 110 is used for injecting the material into the cavity.
The shooting table base 200 is arranged at one side of the head plate 100, the shooting table base 200 is used for providing support for the injection base 300 and the hollow shaft hydraulic motor 500, and meanwhile, the shooting table base 200 is provided with a sensor or an electronic scale which can be used for monitoring the movement stroke distance of the injection base 300 and the hollow shaft hydraulic motor 500.
The injection seat 300 is movably arranged on the injection seat 200, and the distance between the injection seat 300 and the head plate 100 is adjustable, so that the injection seat can be suitable for material cylinders 400 with different lengths, and the applicability of the device is improved.
The head plate 100 is provided with a head plate, the injection seat 300 is provided with an injection hole, the head plate 100 is provided with a material cylinder 400, one end of the material cylinder 400 is arranged on the head plate 100, the other end of the material cylinder 400 is arranged on the injection seat 300, a screw 410 is arranged in the material cylinder 400, one end of the screw 410 is arranged outside the material cylinder 400, a discharge hole 420 is arranged on the material cylinder 400 and is communicated with the injection hole 110, the material cylinder 400 is used for containing and discharging materials, the materials can be melted and molded through rotation of the screw 410, and the materials are discharged through horizontal movement of the screw 410.
The hollow shaft hydraulic motor 500 and the hollow shaft hydraulic motor 500 are movably arranged on the shooting table seat 200, one end of the screw 410, which is arranged outside the charging barrel 400, is rotatably inserted into the hollow shaft hydraulic motor 500, and when the screw 410 is installed, the screw can be directly inserted into the hollow shaft hydraulic motor 500 without carefully calibrating concentricity, so that the installation is convenient, a coupling is not needed, and the cost is saved.
An injection oil cylinder 600, the injection oil cylinder 600 is arranged at one end of the injection seat 300 far away from the head plate 100, a backing plate 510 is arranged at one side of the hollow shaft hydraulic motor 500 close to the injection oil cylinder 600, a first piston rod 610 of the injection oil cylinder 600 is connected with the backing plate 510 through a pressing plate 620, and the screw 410 is arranged at one side of the pressing plate 620 through the backing plate 510, and a gap is arranged between the screw and the pressing plate 620, when the injection cylinder 600 works, the pressing plate 620 is driven to move by the first piston rod 610, the pressing plate 620 drives the hollow shaft hydraulic motor 500 to move together by the base plate 510, the hollow shaft hydraulic motor 500 moves the screw 410 in the horizontal direction, so that the material in the barrel 400 can be injected, meanwhile, because a gap is formed between the screw 410 and the pressing plate 620, direct contact does not exist, rotation of the screw 410 is not affected, and the injection cylinder 600 can only drive the screw 410 to perform injection movement but cannot reset.
The hollow shaft hydraulic motor 500 comprises a housing 520, a main shaft 530 and a driving part, wherein the main shaft 530 is rotatably arranged in the housing 520, a central hole 531 penetrating through two end faces of the main shaft 530 is formed in the main shaft 530, one end of a screw 410 is clamped in the central hole 531, the driving part is used for driving the main shaft 530 to rotate, when one end of the screw 410 is clamped in the central hole 531, the central line of the screw 410 and the central axis of the main shaft 530 are on the same straight line, and the concentricity of the screw 410 and the main shaft 530 can be guaranteed.
The driving member includes a plurality of plunger cylinders 540, a plurality of plunger cylinders 540 are circumferentially and uniformly arranged on the outer side of the housing 520, each plunger cylinder 540 is provided with a connecting rod 541, the main shaft 530 is provided with an eccentric shaft 532, the connecting rods 541 can extend into the housing 520 and can be abutted against one side of the eccentric shaft 532, in the embodiment, five plunger cylinders 540 are selected, the hollow shaft hydraulic motor 500 is set as a five-star motor, the plunger cylinders 540 extrude the eccentric shafts 532 through the connecting rods 541, in the extrusion process, one of the extrusion forces drives the eccentric shafts 532 to rotate, and then the main shaft 530 is driven to rotate.
The hollow shaft hydraulic motor 500 further includes an oil supply member including an oil supply cover 551, an oil distribution plate 552, and a transmission shaft 553, the oil supply cover 551 being disposed outside the housing 520, the oil distribution plate being disposed inside the oil supply cover 551, the transmission shaft 553 being disposed between the plunger cylinder 540 and the oil distribution plate and serving to transmit pressure oil for the plunger cylinder 540, the pressure oil powering the plunger cylinder 540 so that it can drive the main shaft 530.
One side of the pressing plate 620, which is far away from the screw 410, is provided with a pressing block 621, a piston rod of the injection cylinder 600 is connected with the pressing block 621, the first piston rod 610 transmits force to the pressing plate 620 through the pressing block 621, the contact area between the first piston rod and the pressing plate 620 can be increased, meanwhile, the stress of the pressing plate 620 is more uniform, the pressing plate 620 has certain elasticity, and the pressing plate can also contact the screw 410 when being pressed.
The hopper 700 is arranged above the charging barrel 400, the feeding hole 710 is formed in the hopper 700 and communicated with the interior of the charging barrel 400, and the hopper 700 is used for feeding the charging barrel 400 so that materials can enter the charging barrel 400 from the upper side of the charging barrel 400.
The injection base 200 is provided with a plurality of slide rails 210, the injection base 300 and the hollow shaft hydraulic motor 500 are slidably disposed on the slide rails 210 through the slide blocks 310, in this embodiment, the injection base 200 is provided with two symmetrical slide rails 210, the injection base 300 and the hollow shaft hydraulic motor 500 are respectively provided with four slide blocks 310 below, and the two pairs of symmetrical slide rails 210 are disposed to enable the injection base to move stably.
The injection seat 300 is provided with ejection moving oil cylinders 320 symmetrically arranged on two sides of the barrel, the head plate 100 is provided with joints 120 corresponding to the ejection moving oil cylinders 320 one by one, the ejection moving oil cylinders 320 are provided with second piston rods 321 connected with the joints 120, when the ejection moving oil cylinders 320 work, the ejection moving oil cylinders drive the second piston rods 321 to do telescopic motion, and when the second piston rods 321 extend out, the joints 120 are squeezed, so that the injection seat 300 is driven to move together, and the distance between the injection seat 300 and the head plate 100 is increased.
The glue extracting oil cylinder 800 is further included, the glue extracting oil cylinder 800 is used for driving the screw 410 to reset, so that the screw 410 returns to an initial position, the initial position is the position of the screw 410 when the injection oil cylinder 600 is not in operation, namely the injection oil cylinder 600 drives the screw 410 to move forward in an injection mode, the glue extracting oil cylinder 800 drives the screw 410 to move backward in a reset mode, and the next injection action is convenient to perform.
According to the single-cylinder elastic injection mechanism of the hollow shaft hydraulic motor, the central hole is formed in the main shaft of the motor, so that one end of the screw rod can be directly inserted into the central hole, after the screw rod is installed, the central line of the screw rod and the central axis of the main shaft are located on the same straight line, the concentricity of the screw rod and the main shaft does not need to be additionally adjusted, the installation is convenient, a coupling is not needed for connecting the screw rod and the main shaft, and the cost can be saved.
The technical solutions of the present invention are explained in detail above with reference to the accompanying drawings, and the described embodiments are used to help understanding the idea of the present invention. The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the utility model as defined in the appended claims.
Claims (9)
1. A single cylinder elastic injection mechanism of a hollow shaft hydraulic motor is characterized by comprising:
the head plate is provided with an injection hole;
a shooting pedestal disposed at one side of the head plate;
the injection seat is movably arranged on the injection seat;
one end of the charging barrel is arranged on the head plate, the other end of the charging barrel is arranged on the injection seat, a screw is arranged in the charging barrel, one end of the screw is arranged outside the charging barrel, and a discharging port which is arranged on the charging barrel is communicated with the injection hole;
the hollow shaft hydraulic motor is movably arranged on the shooting pedestal, and one end of the screw rod, which is arranged outside the charging barrel, is rotatably inserted into the hollow shaft hydraulic motor;
the injection oil cylinder is arranged at one end, far away from the head plate, of the injection seat, the hollow shaft hydraulic motor is close to a base plate arranged on one side of the injection oil cylinder, a first piston rod of the injection oil cylinder is connected with the base plate through a pressing plate, the screw rod penetrates through the base plate and is arranged on one side of the pressing plate, and a gap is formed between the pressing plate and the base plate.
2. The single-cylinder elastic injection mechanism with a hollow shaft hydraulic motor as claimed in claim 1, wherein the hollow shaft hydraulic motor comprises a housing, a main shaft and a driving member, the main shaft is rotatably disposed in the housing, the main shaft is provided with a central hole penetrating through two end faces of the main shaft, one end of the screw rod is clamped in the central hole, and the driving member is used for driving the main shaft to rotate.
3. The single cylinder elastomeric injector mechanism of claim 2, wherein said driving member comprises a plurality of plunger cylinders, and said driving member comprises a plurality of plunger cylinders, said plurality of plunger cylinders being disposed circumferentially and uniformly outside said housing, and each of said plunger cylinders having a connecting rod thereon, and said main shaft having an eccentric shaft thereon, said connecting rod being extendable into said housing and being adapted to abut one side of said eccentric shaft.
4. The single-cylinder elastic injection mechanism of a hollow-shaft hydraulic motor according to claim 3, characterized in that the hollow-shaft hydraulic motor further comprises an oil supply member, the oil supply member includes an oil supply cover, an oil distribution plate, and a transmission shaft, the oil supply cover is disposed outside the housing, the oil distribution plate is disposed inside the oil supply cover, and the transmission shaft is disposed between the plunger cylinder and the oil distribution plate and is used for transmitting pressure oil to the plunger cylinder.
5. The single-cylinder elastic injection mechanism with a hollow shaft hydraulic motor as claimed in claim 1, characterized in that a pressing block is provided on a side of the pressing plate away from the screw, and the first piston rod of the injection cylinder is connected to the pressing block.
6. The single cylinder elastic injection mechanism with the hollow shaft hydraulic motor as claimed in claim 1, further comprising a hopper, wherein the hopper is arranged above the charging barrel, and a feed inlet is arranged on the hopper and is communicated with the interior of the charging barrel.
7. The single-cylinder elastic injection mechanism with a hollow shaft hydraulic motor as claimed in claim 1, characterized in that the injection seat is provided with a plurality of slide rails, and the injection seat and the hollow shaft hydraulic motor are slidably provided on the slide rails through slide blocks.
8. The single-cylinder elastic injection mechanism with the hollow shaft hydraulic motor as claimed in claim 1, wherein the injection seat is provided with injection-shift cylinders symmetrically arranged at two sides of the charging barrel, the head plate is provided with joints corresponding to the injection-shift cylinders one by one, and the injection-shift cylinders are provided with second piston rods connected with the joints.
9. The hollow shaft hydraulic motor single cylinder elastomeric injection mechanism of claim 1, further comprising a glue extraction cylinder for driving the screw to reset.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121328619.7U CN215969935U (en) | 2021-06-15 | 2021-06-15 | Single-cylinder elastic injection mechanism of hollow shaft hydraulic motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121328619.7U CN215969935U (en) | 2021-06-15 | 2021-06-15 | Single-cylinder elastic injection mechanism of hollow shaft hydraulic motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215969935U true CN215969935U (en) | 2022-03-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121328619.7U Active CN215969935U (en) | 2021-06-15 | 2021-06-15 | Single-cylinder elastic injection mechanism of hollow shaft hydraulic motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215969935U (en) |
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2021
- 2021-06-15 CN CN202121328619.7U patent/CN215969935U/en active Active
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Effective date of registration: 20220824 Address after: 315800 room 2-2, building 1, No. 271, Anju Road, Xiaogang street, Beilun District, Ningbo City, Zhejiang Province Patentee after: Ningbo Muzhuo Machinery Technology Co.,Ltd. Address before: 315100 Room 102, unit C, building 6, Fangzhuang second village, Qiuai Town, Yinzhou District, Ningbo City, Zhejiang Province Patentee before: Xie Keke |