CN218225670U - Lathe rear pull lever mechanism - Google Patents
Lathe rear pull lever mechanism Download PDFInfo
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- CN218225670U CN218225670U CN202222373156.7U CN202222373156U CN218225670U CN 218225670 U CN218225670 U CN 218225670U CN 202222373156 U CN202222373156 U CN 202222373156U CN 218225670 U CN218225670 U CN 218225670U
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Abstract
The utility model relates to a to automobile engine work piece processing field, concretely relates to pull lever mechanism behind lathe. The hydraulic oil cylinder is characterized by comprising a body, wherein a sliding driving device is arranged in the body, the side face of the sliding driving device is connected with a lever device, the sliding driving device comprises a sliding piston rod and a sliding block, the outer end portion of the sliding piston rod is connected with an oil cylinder, the sliding block is installed on the sliding piston rod, and the side face of the sliding block is connected with the lever device. When the automobile engine connecting rod workpiece needs to be machined, the automobile engine connecting rod workpiece is placed at a set position of the body firstly, then the oil cylinder pulls the sliding piston rod to perform vertical linear motion, the sliding block drives the lever device to move, the lever device drives the pressing plate to press downwards, vertical clamping of the automobile engine connecting rod workpiece is achieved, in addition, the two-point expansion pin fixing clamp and the three-point expansion pin fixing clamp are matched, all-dimensional fixed clamping of the automobile engine connecting rod workpiece is achieved, clamping is firmer and more stable, and machining precision is better.
Description
Technical Field
The utility model relates to a to automobile engine connecting rod work piece processing field, concretely relates to pull lever mechanism behind lathe.
Background
Two ends of a machined automobile engine connecting rod workpiece are provided with two through holes, so that the machining precision of the two through holes is particularly critical and is usually realized through a clamp mechanism.
The clamp mechanism is one of technical devices for realizing high-efficiency production in the machining automobile manufacturing industry, the clamping structure is a main structure of the clamp, the structural form of the clamp directly influences the clamping force, the clamping speed, the operation difficulty and the like of the clamp, and the oil pressure or hydraulic clamping structure is rapid in clamping action, convenient and labor-saving in operation and suitable for numerical control machining center equipment and is widely applied compared with the mechanical clamping structure.
However, the machining center determines the spatial position between each hole by a program, so that the positioning reference and precision requirements for the connecting rod workpiece are high, sometimes, in order to ensure the positioning reference and precision are accurate, the structure of the fixture is complicated, the connecting rod workpiece is complicated to mount up and down, the auxiliary time is increased, and the machining and manufacturing efficiency is also indirectly influenced.
In view of the above, the present application provides a lathe rear pull lever mechanism.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a pull lever mechanism behind lathe to prior art not enough.
In order to solve the technical problems, the following technical scheme is adopted:
the lathe rear pull lever mechanism comprises a body, a sliding driving device is arranged in the body, the side surface of the sliding driving device is connected with a lever device,
the sliding driving device comprises a sliding piston rod and a sliding block, the outer end part of the sliding piston rod is connected with an oil cylinder, the sliding block is installed on the sliding piston rod, and the side surface of the sliding block is connected with the lever device;
the lever device comprises a lever block, a guide pull rod, a rotating fulcrum pin, a pressing plate and a supporting piece, wherein one end of the lever block is connected to the groove of the sliding block, the other end of the lever block is hinged to the guide pull rod, the rotating fulcrum pin is arranged on the lever block, the guide pull rod is arranged in the sliding groove of the body, one end of the guide pull rod is connected with the lever block, the other end of the guide pull rod is fixedly connected with the pressing plate, the supporting piece is arranged on the middle lower portion of the pressing plate, and the outer end portion of the pressing plate acts on a workpiece.
Further, the middle part of sliding block is equipped with the middle part mounting groove, fixed mounting has the slip piston rod in the middle part mounting groove.
Further, the lateral wall of sliding block is equipped with first mounting groove, install the lever piece in the first mounting groove.
Further, the lateral wall of sliding block is equipped with the second mounting groove, install the uide pin in the second mounting groove, the outer terminal surface and the body of uide pin contact.
Furthermore, the body is internally provided with a horizontally arranged limit pin which is propped against the sliding block.
Further, the top of body is equipped with the apron, the bottom of body is equipped with the ring flange, ring flange fixed mounting in on the body, the middle part of ring flange is equipped with and supplies the gliding through-hole of sliding piston rod straight line.
Furthermore, the supporting piece comprises a hinged sheet and a supporting seat, one end of the hinged sheet is hinged to the middle of the pressing plate, the other end of the hinged sheet is hinged to the supporting seat, and the supporting seat is fixed on the body.
Furthermore, the upper left side of body is equipped with dust seal circle, dust seal circle and direction pull rod phase-match.
Due to the adoption of the technical scheme, the method has the following beneficial effects:
the utility model discloses a lathe back pull lever mechanism adds man-hour as needs to automobile engine connecting rod work piece, places automobile engine connecting rod work piece earlier in the settlement position of body, then hydro-cylinder pulling sliding piston rod carries out vertical linear motion, drives the motion of lever piece by the sliding block. Specifically, the lever block is rotated around the center of the rotating fulcrum pin, so that the lever block drives the guide pull rod to move vertically and linearly, the guide pull rod drives the pressing plate to press down, the automobile engine connecting rod workpiece is vertically clamped, and in addition, the two-point expansion pin fixing clamp and the three-point expansion pin fixing clamp are matched, so that the automobile engine connecting rod workpiece is comprehensively and fixedly clamped, the clamping is firmer and more stable, and the machining precision is better.
The oil cylinder is a rotary oil cylinder, and a clamp formed by combining the rotary oil cylinder and the lever device has the advantages of strong and reliable clamping force, quick clamping, high structural strength and suitability for dual requirements of high-speed cutting and accurate positioning.
The technical characteristics of the utility model are that: the numerical control vertical drilling and milling machine tool machining center has the advantages of being simple in structure, convenient to assemble and disassemble, high in positioning reference and universality, capable of clamping simultaneously, reducing the labor amount and labor intensity, saving auxiliary time, improving the working efficiency by more than 2 times, convenient to replace, suitable for the requirement of mass production of the numerical control vertical drilling and milling machine tool machining center and greatly improving the machining efficiency.
Drawings
The present invention will be further explained with reference to the accompanying drawings:
fig. 1 is a schematic view of the internal structure of a middle lathe rear pull lever mechanism of the present invention;
fig. 2 is a schematic perspective view of a rear pull lever mechanism of a middle lathe according to the present invention;
FIG. 3 is a schematic structural view of a connecting rod workpiece of an automobile engine according to the present invention;
fig. 4 is a schematic front view of the middle lathe rear pull lever mechanism of the present invention;
fig. 5 is a schematic top view of the middle lathe rear pull lever mechanism of the present invention;
fig. 6 is a schematic sectional view of the rear pull lever mechanism of the middle lathe of the present invention.
In the figure: 1-body; 2-a sliding block; 3-a guide pin; 4-a limit pin; 5-a flange plate; 6-sliding piston rod; 7-rotating fulcrum pin; 8-a lever block; 9-dustproof sealing ring; 10-a guide pull rod; 11-a platen; 12-a hinged flap; 13-a support base; 14-a cover plate; 15-oil cylinder; 16-automotive engine connecting rod; 17-; 18-a middle mounting groove; 19-a second mounting groove.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clear, the present invention is further described in detail through the accompanying drawings and embodiments. It should be understood, however, that the description herein of specific embodiments is only intended to illustrate the invention and not to limit the scope of the invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
As shown in fig. 1 to 6, the lathe rear pull lever mechanism includes a body 1, a slide driving device is arranged in the body 1, and a lever device is connected to a side surface of the slide driving device.
The sliding driving device comprises a sliding piston rod 6 and a sliding block 2, the outer end part of the sliding piston rod 6 is connected with an oil cylinder 15, the sliding block 2 is installed on the sliding piston rod 6, and the side surface of the sliding block 2 is connected with the lever device. The middle part of the sliding block 2 is provided with a middle mounting groove 18, and a sliding piston rod 6 is fixedly mounted in the middle mounting groove 18. The sliding block 2 is in sliding fit with the body 1, the oil cylinder 15 is a rotary oil cylinder 15, under the action of the rotary oil cylinder 15, the rotary oil cylinder 15 pulls the sliding piston rod 6 to perform vertical linear motion, and the sliding block 2 drives the lever block 8 to move. The clamp formed by combining the rotary oil cylinder 15 and the lever device has the advantages of strong and reliable clamping force, quick clamping and high structural strength, and is suitable for dual requirements of high-speed cutting processing and accurate positioning.
The lever device comprises a lever block 8, a guide pull rod 10, a rotating fulcrum pin 7, a pressing plate 11 and a supporting piece, wherein one end of the lever block 8 is connected to the groove of the sliding block 2, the other end of the lever block 8 is hinged to the guide pull rod 10, the rotating fulcrum pin 7 is arranged on the lever block 8, the guide pull rod 10 is arranged in the sliding groove of the body 1, one end of the guide pull rod 10 is connected with the lever block 8, the other end of the guide pull rod 10 is fixedly connected with the pressing plate 11, the middle lower part of the pressing plate 11 is provided with the supporting piece, and the outer end part of the pressing plate 11 acts on a workpiece. The workpiece is a machined automobile engine connecting rod workpiece. The supporting piece comprises a hinge piece 12 and a supporting seat 13, one end of the hinge piece 12 is hinged to the middle of the pressing plate 11, the other end of the hinge piece 12 is hinged to the supporting seat 13, and the supporting seat 13 is fixed on the body 1. The sliding block 2 drives the lever block 8 to move, so that the lever block 8 rotates around the center of the rotating fulcrum pin 7, the lever block 8 drives the guide pull rod 10 to move vertically and linearly, the guide pull rod 10 drives the pressing plate 11 to press down, vertical clamping of a connecting rod workpiece of an automobile engine is realized, and in addition, a two-point expansion pin fixing clamp and a three-point expansion pin fixing clamp are matched, so that all-dimensional fixed clamping of the connecting rod workpiece of the automobile engine is realized, the clamping is firmer and more stable, and the machining precision is better.
As a further description of the present embodiment, the outer side wall of the sliding block 2 is provided with a first mounting groove 17, and the lever block 8 is mounted in the first mounting groove 17. Through setting up first mounting groove 17, make one side fixed mounting of lever piece 8 in first mounting groove 17.
As a further explanation of the present embodiment, the outer side wall of the sliding block 2 is provided with a second mounting groove 19, the guide pin 3 is mounted in the second mounting groove 19, and the outer end surface of the guide pin 3 is in contact with the body 1. The sliding block 2 is kept to vertically and linearly slide in the body 1 by the action of the guide pin 3.
As a further description of the present embodiment, a horizontally disposed limit pin 4 is disposed in the body 1, and the limit pin 4 abuts against the sliding block 2. Through setting up spacer pin 4, when making sliding block 2 keep vertical rectilinear slip in body 1, can not break away from the range scope of original setting.
As a further explanation of the present embodiment, a cover plate 14 is disposed on the top of the body 1, a flange 5 is disposed on the bottom of the body 1, the flange 5 is fixedly mounted on the body 1, and a through hole for the sliding piston rod 6 to slide linearly is disposed in the middle of the flange 5. By providing the cover plate 14, part of the cutting fluid and the iron pieces are prevented from entering the body 1.
As a further explanation of the present embodiment, a dust seal ring 9 is disposed on the upper left side of the body 1, and the dust seal ring 9 is matched with the guide pull rod 10. By arranging the dustproof sealing ring 9, part of cutting fluid and scrap iron are prevented from entering the body 1.
The utility model discloses a theory of operation: when the automobile engine connecting rod workpiece needs to be machined, the automobile engine connecting rod workpiece is firstly placed at a set position of the body 1, then the oil cylinder 15 pulls the sliding piston rod 6 to perform vertical linear motion, and the sliding block 2 drives the lever block 8 to move. Specifically, the lever block 8 is rotated around the center of the rotating fulcrum pin 7, so that the lever block 8 drives the guide pull rod 10 to move vertically and linearly, the guide pull rod 10 drives the pressing plate 11 to press down, the automobile engine connecting rod workpiece is vertically clamped, and in addition, the two-point expansion pin fixing clamp and the three-point expansion pin fixing clamp are matched, so that the automobile engine connecting rod workpiece is comprehensively and fixedly clamped, the clamping is firmer and more stable, and the machining precision is better.
The above is only a specific embodiment of the present invention, but the technical features of the present invention are not limited thereto. Any simple changes, equivalent substitutions or modifications made on the basis of the present invention to solve the same technical problems and achieve the same technical effects are all covered by the protection scope of the present invention.
Claims (8)
1. The lathe back-pull lever mechanism is characterized in that: comprises a body, a sliding driving device is arranged in the body, the side surface of the sliding driving device is connected with a lever device,
the sliding driving device comprises a sliding piston rod and a sliding block, the outer end part of the sliding piston rod is connected with an oil cylinder, the sliding block is installed on the sliding piston rod, and the side surface of the sliding block is connected with the lever device;
the lever device comprises a lever block, a guide pull rod, a rotating fulcrum pin, a pressing plate and a supporting piece, wherein one end of the lever block is connected to the groove of the sliding block, the other end of the lever block is hinged to the guide pull rod, the rotating fulcrum pin is arranged on the lever block, the guide pull rod is arranged in the sliding groove of the body, one end of the guide pull rod is connected with the lever block, the other end of the guide pull rod is fixedly connected with the pressing plate, the supporting piece is arranged on the middle lower portion of the pressing plate, and the outer end portion of the pressing plate acts on a workpiece.
2. The lathe back pull lever mechanism of claim 1, wherein: the middle part of sliding block is equipped with the middle part mounting groove, middle part mounting groove internal fixation has the slip piston pole.
3. The lathe rear pull lever mechanism of claim 1, wherein: the lateral wall of sliding block is equipped with first mounting groove, install the lever piece in the first mounting groove.
4. The lathe rear pull lever mechanism of claim 1, wherein: the lateral wall of sliding block is equipped with the second mounting groove, install the uide pin in the second mounting groove, the outer terminal surface and the body of uide pin contact.
5. The lathe rear pull lever mechanism of claim 1, wherein: the body is internally provided with a horizontally arranged limiting pin which is propped against the sliding block.
6. The lathe rear pull lever mechanism of claim 1, wherein: the top of body is equipped with the apron, the bottom of body is equipped with the ring flange, ring flange fixed mounting in on the body, the middle part of ring flange is equipped with the through-hole that supplies the gliding piston rod straight line of slip.
7. The lathe back pull lever mechanism of claim 1, wherein: the supporting piece comprises a hinging piece and a supporting seat, one end of the hinging piece is hinged to the middle part of the pressing plate, the other end of the hinging piece is hinged to the supporting seat, and the supporting seat is fixed on the body.
8. The lathe rear pull lever mechanism of claim 1, wherein: the upper left side of body is equipped with dust seal, dust seal and direction pull rod phase-match.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222373156.7U CN218225670U (en) | 2022-09-07 | 2022-09-07 | Lathe rear pull lever mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222373156.7U CN218225670U (en) | 2022-09-07 | 2022-09-07 | Lathe rear pull lever mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218225670U true CN218225670U (en) | 2023-01-06 |
Family
ID=84686448
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222373156.7U Active CN218225670U (en) | 2022-09-07 | 2022-09-07 | Lathe rear pull lever mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218225670U (en) |
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2022
- 2022-09-07 CN CN202222373156.7U patent/CN218225670U/en active Active
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