CN217371480U

CN217371480U - Clamping turnover mechanism

Info

Publication number: CN217371480U
Application number: CN202221312793.7U
Authority: CN
Inventors: 张愉健; 张辉; 周吉祥; 周强
Original assignee: Hi P Shanghai Household Appliances Products Co ltd
Current assignee: Hi P Shanghai Household Appliances Products Co ltd
Priority date: 2022-05-16
Filing date: 2022-05-16
Publication date: 2022-09-06
Anticipated expiration: 2032-05-16

Abstract

The application provides a clamping turnover mechanism, which comprises a clamping assembly; the clamping assembly comprises a bottom plate, a torsion spring push rod and two holding claws; a positioning cavity is arranged on the bottom plate; the two holding claws are movably arranged on the bottom plate and are respectively positioned on two sides of the positioning cavity, in the application, the holding claws are driven by the torsional spring push rod to be far away from the positioning cavity, so that a workpiece can be placed in the positioning cavity, at the moment, the holding claws can extrude springs on the side edges, and therefore after the torsional spring push rod loosens the limit of the holding claws, the holding claws can approach the positioning cavity under the reset elasticity of the springs to clamp the workpiece, and the holding claws are driven by the springs to realize clamping action, so that the clamping device can adapt to workpieces with different sizes, the application range is improved, and the workpieces are convenient to disassemble and assemble; meanwhile, the clamping is driven by a spring to clamp, so that the holding claw is in flexible contact with the workpiece, and the clamped workpiece can be protected to the greatest extent; in addition, this application easy operation need not artifical too much supplementary, can improve degree of automation to improve production efficiency with this.

Description

Clamping turnover mechanism

Technical Field

The utility model belongs to the technical field of the anchor clamps technique and specifically relates to a press from both sides tight turnover mechanism is related to.

Background

The device for holding the object to be machined in the correct position for receiving the work or inspection during the machine manufacturing process is called a jig. In a broad sense, any process in a process, the apparatus used to quickly, conveniently, and safely mount a workpiece, may be referred to as a fixture, such as a welding fixture, an inspection fixture, an assembly fixture, a machine tool fixture, and the like.

At present, the automation degree of a fixture, such as a tool fixture, is low in the production process, and the connection among all the working procedures is difficult to carry out well, so that a large amount of manual work is needed for carrying out auxiliary production, and the problems of high strength of workers and low production efficiency can be caused. Meanwhile, the existing tool clamp is troublesome in clamping and disassembling workpieces and difficult to adapt to clamping of workpieces with different sizes, so that the problems of troublesome disassembly and assembly and small application range exist. In addition, after the workpiece is clamped by the conventional tool clamp, the clamp and the workpiece are in hard contact, so that a large pressure is formed on the workpiece, and the surface of the workpiece is easily damaged.

Therefore, it is necessary to provide a technical solution that can improve the automation degree, production efficiency and application range of the tool fixture, facilitate the disassembly and assembly of the workpiece, and reduce the clamping damage of the workpiece.

SUMMERY OF THE UTILITY MODEL

The utility model provides a press from both sides tight turnover mechanism to solve current frock clamp degree of automation low, production efficiency low, and the trouble, the application scope of work piece dismouting is little and cause the problem that the work piece damaged easily.

The utility model adopts the technical scheme as follows: a clamping epicyclic mechanism comprising a clamping assembly; the clamping assembly comprises a bottom plate, a torsion spring push rod and two holding claws; a positioning cavity for placing a workpiece is arranged on the bottom plate; the two holding claws are movably arranged on the bottom plate and are respectively positioned at two sides of the positioning cavity, and springs are connected between the two holding claws and the bottom plate; the torsion spring push rod is movably arranged on the bottom plate;

the torsion spring push rod drives the holding claw to be far away from the positioning cavity and extrudes the spring so as to place a workpiece into the positioning cavity, and then the holding claw is driven to be close to the positioning cavity under the reset of the spring so as to clamp the workpiece.

In one embodiment, a turnaround component is also included; the epicyclic assembly comprises a support plate; at least one clamping component is detachably arranged on the supporting plate.

In one embodiment, the supporting plate is provided with connecting holes, the bottom plate is provided with matching holes, and each connecting hole corresponds to one matching hole so as to fix the clamping component on the supporting plate through a mounting screw.

In one embodiment, two limiting blocks are arranged on the supporting plate at intervals; the two limiting blocks are provided with the connecting holes; the clamping assembly is installed between the two limiting blocks.

In one embodiment, two of the clamping assemblies are disposed on the support plate; the two clamping assemblies are arranged between the two limiting blocks in parallel and are respectively connected with one limiting block.

In one embodiment, further comprising a clamp plate; the clamp plate is detachably provided with at least one turnover assembly.

In one embodiment, the clamp plate is detachably provided with a pressure rod, and the pressure rod is overlapped at the edge of the turnover assembly; the pressing rod is provided with a first threaded hole, the clamp plate is provided with a second threaded hole, and the first threaded hole corresponds to the second threaded hole so that the turnover assembly can be fixed on the clamp plate through a mounting screw.

In one embodiment, two of the epicyclic assemblies are symmetrically disposed on the jig plate; two can dismantle between the turnover subassembly and be provided with the connecting block.

In one embodiment, a notch is provided at an edge of the clamp plate for movement of the torsion spring push rod.

In one embodiment, a protective cover is detachably arranged on the bottom plate; an opening is formed in the protective cover and is located above the positioning cavity.

The utility model has the advantages that:

in the application, the holding claw is driven by the torsion spring push rod to be away from the positioning cavity, so that a workpiece can be placed in the positioning cavity, at the moment, the holding claw can extrude the spring on the side edge, and therefore after the torsion spring push rod loosens the limit on the holding claw, the holding claw can be close to the positioning cavity under the reset elasticity of the spring to clamp the workpiece, and the holding claw is driven by the spring to realize clamping action, so that the clamping device can adapt to workpieces with different sizes, the application range is improved, and the workpiece is convenient to disassemble and assemble; meanwhile, the clamping is driven by a spring to clamp, so that the holding claw is in flexible contact with the workpiece, and the clamped workpiece can be protected to the greatest extent; in addition, this application easy operation need not artifical too much supplementary, can improve degree of automation to improve production efficiency with this.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a turnover assembly according to an embodiment of the present invention;

fig. 3 is a schematic structural view of a clamping assembly according to an embodiment of the present invention;

fig. 4 is a schematic structural view of a clamping assembly according to an embodiment of the present invention in an open state;

fig. 5 is a cross-sectional view of a clamping assembly according to an embodiment of the present invention in an open position;

fig. 6 is a schematic structural view of a clamping assembly according to an embodiment of the present invention in a clamping state;

fig. 7 is a cross-sectional view of a clamping assembly according to an embodiment of the present invention in a clamped state.

Reference is made to the accompanying drawings in which: 1. a clamp plate; 11. a notch; 12. a pressure lever; 2. a turnaround component; 20. a support plate; 21. a limiting block; 22. connecting holes; 23. an extension portion; 24. connecting blocks; 3. a clamping assembly; 31. a base plate; 32. a torsion spring push rod; 33. a protective cover; 34. embracing a claw; 35. a spring; 36. positioning the cavity; 37. a mating hole; 38. an inclined portion; 39. a clamping groove.

Detailed Description

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.

The utility model provides a press from both sides tight turnover mechanism.

Referring to fig. 1-3, fig. 1 shows a schematic view of a clamping epicyclic mechanism, fig. 2 shows a schematic view of an epicyclic assembly 2, and fig. 3 shows a schematic view of a clamping assembly 3. In this embodiment, the workpiece is mainly clamped on the clamping assembly 3, the clamping assembly 3 and the supporting plate 20 form a turnover assembly 2, the turnover assembly 2 is placed on the clamp plate 1, and the clamp plate 1 is placed on a turnover table of the automatic production line, so that the workpiece is turned over and flows.

The clamping assembly 3 is described below.

Referring to fig. 3 and 5, in the present embodiment, the clamping assembly 3 includes a bottom plate 31, a torsion spring push rod 32, and two clasps 34. The bottom plate 31 is provided with a positioning cavity 36, and the positioning cavity 36 is used for placing a workpiece and performing primary positioning on the workpiece. The two holding claws 34 are movably arranged on the bottom plate 31 and are respectively located at two sides of the positioning cavity 36, and meanwhile, springs 35 are connected between one side of the two holding claws 34 far away from the positioning cavity 36 and the bottom plate 31. The torsion spring push rod 32 is movably disposed on the upper portion of the bottom plate 31, wherein the torsion spring push rod 32 gradually contacts with the two clasps 34 during the downward movement process, so as to push the two clasps 34 away from the positioning cavity 36, and the clasps 34 press the spring 35. At this time, the workpiece can be placed in the positioning cavity 36, and when the torsion spring push rod 32 is pressed again to move upwards, the torsion spring push rod 32 is released to limit the holding claw 34. At this time, the holding claw 34 moves to the positioning cavity 36 under the reset elastic force of the spring 35 so as to clamp the workpiece in the positioning cavity 36, and the spring 35 drives the holding claw 34 to realize clamping action, so that the clamping device is suitable for workpieces with different sizes, the application range can be improved, and the workpieces can be conveniently disassembled; meanwhile, the clamping is driven by the spring 35 to be clamped, so that the holding claw 34 is in flexible contact with the workpiece, and the workpiece can be protected and clamped to the greatest extent. In addition, this application easy operation only needs the manual work to press torsional spring push rod 32, need not to carry out other auxiliary operation again, consequently can improve degree of automation to improve production efficiency.

In another embodiment, in order to further improve the automation of the clamping assembly 3, an air cylinder may be provided, through which the torsion spring push rod 32 is pressed, thereby completing the automatic driving of the torsion spring push rod 32.

Further, referring to fig. 5, in order to facilitate the torsion spring push rod 32 to push the clasping claws 34, in the embodiment, the upper portion of the clasping claw 34 is provided with the inclined portions 38, and the two clasping claws 34 are symmetrically arranged on the bottom plate 31, so that the space between the two inclined portions 38 is gradually reduced from top to bottom, and the torsion spring push rod 32 can gradually push the two clasping claws 34 to both sides in the downward moving process.

Further, please refer to fig. 3, in this embodiment, a protection cover 33 is detachably disposed on the bottom plate 31, the protection cover 33 is fastened to the upper portion of the bottom plate 31 by bolts, screws, and the like, and covers over the components to form a protection effect, and an opening is disposed on the protection cover 33 and located above the positioning cavity 36, so that the workpiece can be placed in the positioning cavity 36 through the opening while the protection is achieved, so as to ensure the clamping operation.

The epicyclic assembly 2 is described below.

Referring to fig. 2, in the present embodiment, the turnover device 2 includes a supporting plate 20; at least one clamping assembly 3 is removably disposed on the support plate 20. Wherein, the connection mode of the supporting plate 20 and the clamping component 3 is set as follows: the support plate 20 is provided with attachment holes 22, the base plate 31 is provided with mating holes 37, and each attachment hole 22 corresponds to one of the mating holes 37, so that screws are installed in the two holes to fix the clamping assembly 3 to the support plate 20 and to detachably attach the two. Specifically, in this embodiment, the specific positions of the connection hole 22 and the connection hole 22 are: two limiting blocks 21 are arranged on the supporting plate 20, two sides of each limiting block 21 are bent upwards by 90 degrees, so that an inverted L-shaped structure is formed, the connecting holes 22 are positioned at the upper parts of the bent structures (see fig. 2), and the matching holes 37 are positioned at the corners of the bottom plate 31, so that when the clamping assembly 3 is installed between the two symmetrically arranged limiting blocks 21, the matching holes 37 of the bottom plate 31 can be easily aligned with the connecting holes 22 on the limiting blocks 21, and the clamping assembly 3 can be quickly assembled and disassembled.

Further, in this embodiment, two clamping assemblies 3 are disposed on the supporting plate 20, the two clamping assemblies 3 are disposed between the two limiting blocks 21 in parallel, and the two clamping assemblies 3 are respectively connected with one limiting block 21.

How the epicyclic assembly 2 is arranged on the jig plate 1 is described below.

Referring to fig. 1 and 2, in the present embodiment, a clamp plate 1 is further included; at least one turnaround assembly 2 is removably disposed on the clamp plate 1. Wherein, the connected mode of anchor clamps board 1 and turnover subassembly 2 sets up to: a pressure rod 12 is arranged on the clamp plate 1, a first threaded hole is formed in the pressure rod 12, and a second threaded hole is formed in the clamp plate 1; when stably placing turnover subassembly 2 on anchor clamps board 1, again with depression bar 12 overlap joint in turnover subassembly 2's edge to make first screw hole one-to-one second screw hole, with this installation screw in the hole site, thereby can be with turnover subassembly 2 fastening on anchor clamps board 1. Specifically, in this embodiment, the specific fixing manner of the pressing rod 12 to the epicyclic component 2 is set as follows: the both sides of backup pad 20 set up to extension 23, and the both sides of anchor clamps board 1 all have a depression bar 12, and two depression bars 12 are located the extension 23 of backup pad 20 both sides respectively, and when screwing up depression bar 12, alright fix backup pad 20 on anchor clamps board 1, will have enough to meet the need subassembly 2 to fix on anchor clamps board 1.

Referring to fig. 1, in the present embodiment, a notch 11 is formed at an edge of the clamp plate 1, and the notch 11 is used to provide a position to accommodate the movement of the torsion spring push rod 32.

Further, with continued reference to fig. 2, two turnover assemblies 2 are disposed on the clamp plate 1, and the two turnover assemblies 2 are symmetrically disposed. Further, in order to improve the stability between two turnover assemblies 2, in the present embodiment, a connection block 24 is detachably provided between the two turnover assemblies 2, and the two turnover assemblies 2 are connected by the connection block 24, thereby improving the stability of placement of the turnover assemblies 2 on the jig plate 1. Specifically, both ends of the connecting block 24 are provided with hole positions corresponding to the matching holes 37 of the bottom plate 31, so that screws are installed, and therefore, four adjacent clamping assemblies 3 are connected through the connecting block 24, namely, two adjacent turnover assemblies 2 are connected.

The clamping process of the clamping mechanism is described as follows:

when a workpiece needs to be clamped, the torsion spring push rod 32 is pressed first to move downward, so as to push the holding claw 34, so that the holding claw 34 gradually moves away from the positioning cavity 36, and when the torsion spring push rod 32 moves to the lowest position, a clamping groove 39 (see fig. 2) on the torsion spring push rod 32 is clamped into a clamping block (not shown in the figure) of the bottom plate 31, so as to fix the torsion spring push rod 32. At this time, the clamping assembly 3 is in an open state (see fig. 4 and 5), and the clasps 34 positioned on both sides of the cavity 36 compress the spring 35. Then, the workpiece can be placed in the positioning cavity 36, the workpiece is preliminarily positioned through the positioning cavity 36, then the torsion spring push rod 32 is pressed again, at the moment, the torsion spring in the torsion spring push rod 32 is restored, the torsion spring push rod 32 moves upwards, and therefore the torsion spring push rod 32 is enabled to loosen the limit of the holding claw 34. After the limit of the torsion spring push rod 32 is not provided, the spring 35 can reset and drive the holding claw 34 to move towards the positioning cavity 36, so that the holding claw 34 holds the workpiece in the positioning cavity 36 (see fig. 6 and 7), the clamping work is completed, and the clamping of workpieces with different sizes is adapted. When the workpiece needs to be taken out, the torsion spring push rod 32 can be pressed again, so that the clamping claw 34 releases the clamping of the workpiece.

Compared with the prior art: in the application, the spring 35 is used for driving the holding claw 34 to realize clamping action, so that the clamping device can adapt to workpieces with different sizes, the application range is improved, and the clamping mode is simple to operate and is convenient for dismounting the workpieces; meanwhile, the clamping is driven by the spring 35 to be clamped, so that the holding claw 34 is in flexible contact with the workpiece, and the clamped workpiece can be protected to the greatest extent; in addition, this application easy operation need not artifical too much supplementary, can improve degree of automation to improve production efficiency with this, simple structure moreover, small can practice thrift equipment cost.

As long as the idea created by the present invention is not violated, various different embodiments of the present invention can be arbitrarily combined, and all the embodiments should be regarded as the content disclosed by the present invention; the utility model discloses an in the technical conception scope, carry out multiple simple variant and different embodiments to technical scheme and go on not violating the utility model discloses the arbitrary combination of the thought of creation all should be within the protection scope.

Claims

1. The utility model provides a press from both sides tight turnover mechanism which characterized in that: comprises a clamping component; the clamping assembly comprises a bottom plate, a torsion spring push rod and two holding claws; a positioning cavity for placing a workpiece is arranged on the bottom plate; the two holding claws are movably arranged on the bottom plate and are respectively positioned at two sides of the positioning cavity, and springs are connected between the two holding claws and the bottom plate; the torsion spring push rod is movably arranged on the bottom plate;

2. The clamped epicyclic mechanism of claim 1, wherein: the turnover component is also included; the epicyclic assembly comprises a support plate; at least one clamping component is detachably arranged on the supporting plate.

3. The clamped epicyclic mechanism of claim 2, wherein: the clamping component is characterized in that connecting holes are formed in the supporting plate, matching holes are formed in the bottom plate, each connecting hole corresponds to one matching hole, and the clamping component is fixed on the supporting plate through mounting screws.

4. The clamped epicyclic mechanism of claim 3, wherein: two limiting blocks are arranged on the supporting plate at intervals; the two limiting blocks are provided with the connecting holes; the clamping assembly is installed between the two limiting blocks.

5. The clamping epicyclic mechanism of claim 4, wherein: the supporting plate is provided with two clamping assemblies; the two clamping assemblies are arranged between the two limiting blocks in parallel and are respectively connected with one limiting block.

6. The clamped epicyclic mechanism of any of claims 2 to 5, wherein: the fixture also comprises a fixture plate; the clamp plate is detachably provided with at least one turnover assembly.

7. The clamped epicyclic mechanism of claim 6, wherein: the clamp plate is detachably provided with a pressure rod, and the pressure rod is lapped at the edge of the turnover assembly; the pressing rod is provided with a first threaded hole, the clamp plate is provided with a second threaded hole, and the first threaded hole corresponds to the second threaded hole so that the turnover assembly can be fixed on the clamp plate through a mounting screw.

8. The clamped epicyclic mechanism of claim 7, wherein: the clamp plate is symmetrically provided with two turnover assemblies; two can dismantle between the turnover subassembly and be provided with the connecting block.

9. The clamped epicyclic mechanism of claim 6, wherein: the edge of the clamp plate is provided with a notch for the torsion spring push rod to move.

10. The clamping epicyclic mechanism of claim 1, wherein: the bottom plate is detachably provided with a protective cover; an opening is formed in the protective cover and is located above the positioning cavity.