CN214558876U - Press fitting jig for pruning shears - Google Patents

Press fitting jig for pruning shears Download PDF

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Publication number
CN214558876U
CN214558876U CN202023045261.5U CN202023045261U CN214558876U CN 214558876 U CN214558876 U CN 214558876U CN 202023045261 U CN202023045261 U CN 202023045261U CN 214558876 U CN214558876 U CN 214558876U
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Prior art keywords
shell
pressure head
cylindrical pin
fitting jig
assembly
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CN202023045261.5U
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Chinese (zh)
Inventor
宋启立
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Jiangsu Dongcheng Tools Technology Co Ltd
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Jiangsu Dongcheng Tools Technology Co Ltd
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Abstract

The utility model relates to a pruning shear press-fitting jig, which provides a casing and a cylindrical pin installed in the casing, wherein the casing comprises an installation hole for accommodating the cylindrical pin; the pruning shear press-fitting jig comprises a supporting plate, an upper shell positioning assembly and an upper pressure head assembly which are positioned above the supporting plate, a lower shell positioning assembly and a cylindrical pin pressure head assembly which are positioned below the supporting plate, and a rodless cylinder; the pruning shear press-fitting jig is provided with a first position and a second position, wherein in the first position, the lower positioning component of the shell extends into the mounting hole in a protruding mode, and the upper positioning component of the shell abuts against the upper end of the shell; and at the second position, the upper pressure head assembly moves downwards and abuts against the upper end of the mounting hole, and the cylindrical pin is mounted in the mounting hole together by matching with the cylindrical pin pressure head assembly. The utility model discloses an automatic tool in pressure equipment cylindric lock to pruning scissors casing that changes effectively improves the assembly efficiency of product.

Description

Press fitting jig for pruning shears
[ technical field ]
The utility model relates to a pruning scissors pressure equipment tool, in particular to install pruning scissors pressure equipment tool in casing with the cylindric lock.
[ background art ]
Pruning shears are an electric tool which is applied to gardens and used for pruning branches, and comprise a machine shell, a transmission structure arranged in the machine shell and a blade driven by the transmission structure. At present, in the process of producing pruning shears, an elastic cylindrical pin needs to be installed in a machine shell, the machine shell is not well positioned in a tool jig due to the fact that the appearance of the machine shell is not flat, therefore, a worker needs to align the elastic cylindrical pin to a pin hole of the machine shell by using a left hand and righting the elastic cylindrical pin, and the right hand operates a hand press to press the elastic cylindrical pin into the machine shell for installation.
In view of the above, there is a need to provide an improved pruning shears press-fitting jig to overcome the defects in the prior art.
[ contents of utility model ]
To the not enough of prior art, the utility model aims to provide a stable and efficient pruning shear pressure equipment tool of assembly of pressure equipment.
The utility model provides a prior art problem can adopt following technical scheme: a pruning shear press-fitting jig is provided with a machine shell and a cylindrical pin installed in the machine shell, wherein the machine shell comprises an installation hole for accommodating the cylindrical pin; the pruning shear press-fitting jig comprises a supporting plate for supporting the shell, a shell upper positioning assembly and an upper pressure head assembly which are positioned above the supporting plate, a shell lower positioning assembly and a cylindrical pin pressure head assembly which are positioned below the supporting plate, and a rodless cylinder for switching the positions of the shell lower positioning assembly and the cylindrical pin pressure head assembly, wherein the cylindrical pin is accommodated above the cylindrical pin pressure head assembly; the pruning shear press-fitting jig is provided with a first position where the lower shell positioning component is positioned right below the mounting hole and a second position where the cylindrical pin press-fitting component is positioned right below the mounting hole, at the first position, the lower shell positioning component extends into the mounting hole in a protruding manner, and the upper shell positioning component is pressed against the upper end of the machine shell; and at the second position, the upper pressure head assembly moves downwards and abuts against the upper end of the mounting hole so as to be matched with the cylindrical pin pressure head assembly to jointly mount the cylindrical pin into the mounting hole.
The further improvement scheme is as follows: the shell upper positioning assembly comprises a rotary clamping cylinder, a connecting rod connected with the rotary clamping cylinder and a holding pressure head arranged at the end part of the connecting rod, and the holding pressure head is abutted against the upper end of the shell.
The further improvement scheme is as follows: the maintaining pressure head and the upper pressure head component are pressed against two sides of the upper end of the shell.
The further improvement scheme is as follows: the pruning shear press-fitting jig comprises a sliding plate arranged at the bottom, a lower shell positioning assembly and a cylindrical pin pressure head assembly are arranged above the sliding plate, and the rodless cylinder drives the sliding plate to be switched from a first position to a second position.
The further improvement scheme is as follows: the lower shell positioning assembly comprises a first shell connected with the sliding plate, a first inner pressure head contained in the first shell, a first spring connected between the first inner pressure head and the inner wall of the first shell, and a first ejector pin contained at the upper end of the first inner pressure head, the first ejector pin extends out of the top surface of the first shell, and the first ejector pin is inserted into the mounting hole at the first position.
The further improvement scheme is as follows: the lower shell positioning assembly comprises a cavity formed between the first outer shell and the first inner pressure head, a valve assembly mounted on the outer wall of the first outer shell and a channel penetrating through the first outer shell, wherein the channel is communicated with the cavity, and the valve assembly is communicated with the cavity through the channel so as to adjust the pressure in the cavity.
The further improvement scheme is as follows: the cylindrical pin pressure head assembly comprises a second shell connected with the sliding plate, a second inner pressure head contained in the second shell, a second spring connected between the second inner pressure head and the inner wall of the second shell, and a second ejector pin contained in the upper end of the second inner pressure head, the second shell is provided with a through hole penetrating through the top, the second ejector pin extends into the through hole in a protruding mode, and the cylindrical pin is contained in the through hole and abuts against the upper end of the second ejector pin.
The further improvement scheme is as follows: the pruning shear press-fitting jig comprises a profile block arranged on the supporting plate, the shape of the casing is matched with that of the profile block, and the casing is arranged in the profile block.
The further improvement scheme is as follows: the pruning shear press-fitting jig comprises a base, a pair of guide rails arranged on two sides of the base and a connecting plate connected between the pair of guide rails, wherein an upper press head assembly is arranged on the connecting plate, a supporting plate is connected between the pair of guide rails, and the upper press head assembly is positioned between the connecting plate and the supporting plate.
Compared with the prior art, the utility model discloses following beneficial effect has: before the press fitting, the shell is pre-clamped by the aid of the upper shell positioning assembly, the lower shell positioning assembly and the mounting hole, so that stability and accuracy during press fitting are guaranteed, the rodless cylinder switches positions of the lower shell positioning assembly and the cylindrical pin pressing head assembly, and finally the cylindrical pin is mounted in the mounting hole through the cylindrical pin pressing head assembly and the upper pressing head assembly.
[ description of the drawings ]
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings:
FIG. 1 is a schematic structural view of the pruning shears press-fitting jig of the present invention before press-fitting;
FIG. 2 is a schematic view of the pruning shears press-fitting jig shown in FIG. 1 at another angle;
FIG. 3 is a schematic structural view of the pruning shears press-fitting jig shown in FIG. 1 after press-fitting;
fig. 4 is a schematic view of the whole structure of the pruning shears of the present invention.
[ detailed description of the invention ]
The present invention will be described in further detail with reference to the accompanying drawings and embodiments.
Referring to fig. 1 and 4, an embodiment of the present invention relates to a pruning shears press-fitting jig 100, and is suitable for installing a cylindrical pin 300 into a housing 200 of a pruning shears, wherein the housing 200 includes a mounting hole 201 for accommodating the cylindrical pin 300; the pruning shear press-fitting jig 100 comprises a base 1, a pair of guide rails 2 arranged on two sides of the base 1, a support plate 3 and a connecting plate 20 connected between the pair of guide rails 2, a shell upper positioning component 4 and an upper pressure head component 8 positioned above the support plate 3, a shell lower positioning component 5 and a cylindrical pin pressure head component 6 positioned below the support plate 3, a rodless cylinder 7 for switching the positions of the shell lower positioning component 5 and the cylindrical pin pressure head component 6, and a contour block 10 arranged on the support plate 3, wherein before press-fitting is started, a cylindrical pin 300 is accommodated above the cylindrical pin pressure head component 6, the shape of the contour block 10 is matched with that of a machine shell 200, and the machine shell 200 can be arranged in the contour block 10 and supported by the support plate 3 below; the pair of guide rails 2 are provided with threaded connection portions, the support plate 3 and the connecting plate 20 can move up and down along the pair of guide rails 2 through the threaded connection portions, the upper pressure head assembly 8 is mounted on the connecting plate 20, the upper pressure head assembly 8 is located between the connecting plate 20 and the support plate 3, and the connecting plate 20 moves downwards under the action of an external press machine to drive the upper pressure head assembly 8 to move downwards and abut against the upper end of the machine shell 200.
In the present embodiment, the positioning assembly 4 includes a rotary clamping cylinder 41, a connecting rod 42 connected to the rotary clamping cylinder 41, and a holding ram 43 mounted at an end of the connecting rod 42, wherein the holding ram 43 is pressed against an upper end of the casing 200 to press the casing 200 against the supporting plate 3.
In this embodiment, the holding indenter 43 and the upper indenter assembly 8 are pressed against both sides of the upper end of the casing 200, so that the press-fitting process is more stable.
Referring to fig. 2 and 3, the pruning shear press-fitting jig 100 has a first position where the lower housing positioning component 5 is located right below the mounting hole 201 and a second position where the cylindrical pin press-fitting component 6 is located right below the mounting hole 201, wherein at the first position, the lower housing positioning component 5 protrudes into the mounting hole 201, and the upper housing positioning component 4 presses against the upper end of the machine shell 200 to position the machine shell 200; in the second position, the upper ram assembly 8 moves downward and abuts against the upper end of the mounting hole 201 to cooperate with the pin ram assembly 6 to mount the cylindrical pin 300 in the mounting hole 201. The utility model discloses a pruning scissors pressure equipment tool 100, before the pressure equipment, earlier utilize locating component 4 on the casing, locating component 5 and mounting hole 201 press from both sides the casing 200 in advance under the casing, stability and accuracy when guaranteeing the pressure equipment, no pole cylinder 7 switches the casing down locating component 5 and cylindric lock pressure head subassembly 6's position afterwards, and finally install cylindric lock 300 to mounting hole 201 jointly through cylindric lock pressure head subassembly 6 and last pressure head subassembly 8 in, the structure is ingenious, effectively improve the assembly efficiency of product.
In this embodiment, the pruning shears press-fitting jig 100 further comprises a sliding plate 9 disposed at the bottom, the lower housing positioning assembly 5 and the cylindrical pin press-head assembly 6 are mounted above the sliding plate 9, and the rodless cylinder 7 is connected to the sliding plate 9 to drive the sliding plate 9 to switch from the first position to the second position.
Referring to fig. 3, the lower shell positioning assembly 5 includes a first shell 51 connected to the sliding plate 9, a first inner pressing head 52 accommodated in the first shell 51, a first spring 53 connected between the first inner pressing head 52 and an inner wall of the first shell 51, a first thimble 54 accommodated at an upper end of the first inner pressing head 52, a cavity 56 formed between the first shell 51 and the first inner pressing head 52, a valve assembly 55 mounted on an outer wall of the first shell 51, and a channel 57 penetrating the first shell 51, wherein the first thimble 54 extends out of a top surface of the first shell 51, and in a first position, the first thimble 51 is inserted into the mounting hole 201; passage 57 communicates with chamber 56 and valve assembly 55 communicates with chamber 56 via passage 57 to regulate the amount of pressure within chamber 56. The lower housing positioning assembly 5 has a first state in which the first thimble 54 is inserted into the mounting hole 201 and a second state in which the first thimble 54 is retracted from the mounting hole 201, and in the first state, the valve assembly 55 is actuated to pressurize the chamber 56, and the first inner ram 52 is forced and moves upward against the force of the first spring 53, so as to drive the first thimble 54 to be inserted into the mounting hole 201; in a second state, the valve assembly 55 is closed, the pressure in the chamber 56 is reduced, the first spring 53 presses against the first inner ram 52, so that the first inner ram 52 returns to the original position, and the first thimble 54 retracts from the mounting hole 201.
In the present embodiment, the pin ram assembly 6 includes a second housing 61 connected to the slide plate 9, a second inner ram 62 accommodated in the second housing 61, a second spring 63 connected between the second inner ram 62 and an inner wall of the second housing 61, and a second thimble 64 accommodated in an upper end of the second inner ram 62, the second housing 61 has a through hole 611 penetrating a top portion, the second thimble 64 protrudes into the through hole 611, and the pin 300 is accommodated in the through hole 611 and abuts against an upper end of the second thimble 64.
Referring to fig. 1 to 3, the press-fitting method of the pruning shears press-fitting jig 100 of the present invention includes the following steps:
step S1: manually placing the cylindrical pin 300 on the cylindrical pin ram assembly 6, placing the housing 200 in the profiling block 10 of the support plate 3;
step S2: starting an external press, rotating and pressing the shell upper positioning assembly 4 against the shell 200, and clamping the shell 200 by matching with the shell lower positioning assembly 5;
step S3: after clamping is finished, the first ejector pin 51 retracts, and the rodless cylinder 7 switches the positions of the lower shell positioning assembly 5 and the cylindrical pin pressure head assembly 6;
step S4: the upper ram assembly 8 moves downwardly and engages the pin ram assembly 6 to mount the pins 300 to the cabinet 200 to complete the installation.
The utility model discloses a pruning scissors pressure equipment tool 100, before the pressure equipment, earlier utilize locating component 4 on the casing, locating component 5 and mounting hole 201 press from both sides the casing 200 in advance under the casing, stability and accuracy when guaranteeing the pressure equipment, no pole cylinder 7 switches the casing down locating component 5 and cylindric lock pressure head subassembly 6's position afterwards, and finally install cylindric lock 300 to mounting hole 201 jointly through cylindric lock pressure head subassembly 6 and last pressure head subassembly 8 in, the structure is ingenious, effectively improve the assembly efficiency of product.
The present invention is not limited to the above-described embodiments. It will be readily appreciated by those skilled in the art that many other alternatives to the pruning shears press-fitting jig of the present invention may be made without departing from the principles and scope of the present invention. The protection scope of the present invention is subject to the content of the claims.

Claims (9)

1. A pruning shear press-fitting jig is provided with a machine shell and a cylindrical pin installed in the machine shell, wherein the machine shell comprises an installation hole for accommodating the cylindrical pin; the method is characterized in that: the pruning shear press-fitting jig comprises a supporting plate for supporting the shell, a shell upper positioning assembly and an upper pressure head assembly which are positioned above the supporting plate, a shell lower positioning assembly and a cylindrical pin pressure head assembly which are positioned below the supporting plate, and a rodless cylinder for switching the positions of the shell lower positioning assembly and the cylindrical pin pressure head assembly, wherein the cylindrical pin is accommodated above the cylindrical pin pressure head assembly; the pruning shear press-fitting jig is provided with a first position where the lower shell positioning component is positioned right below the mounting hole and a second position where the cylindrical pin press-fitting component is positioned right below the mounting hole, at the first position, the lower shell positioning component extends into the mounting hole in a protruding manner, and the upper shell positioning component is pressed against the upper end of the machine shell; and at the second position, the upper pressure head assembly moves downwards and abuts against the upper end of the mounting hole so as to be matched with the cylindrical pin pressure head assembly to jointly mount the cylindrical pin into the mounting hole.
2. The pruning shear press-fitting jig according to claim 1, characterized in that: the shell upper positioning assembly comprises a rotary clamping cylinder, a connecting rod connected with the rotary clamping cylinder and a holding pressure head arranged at the end part of the connecting rod, and the holding pressure head is abutted against the upper end of the shell.
3. The pruning shear press-fitting jig according to claim 2, characterized in that: the maintaining pressure head and the upper pressure head component are pressed against two sides of the upper end of the shell.
4. The pruning shear press-fitting jig according to claim 1, characterized in that: the pruning shear press-fitting jig comprises a sliding plate arranged at the bottom, a lower shell positioning assembly and a cylindrical pin pressure head assembly are arranged above the sliding plate, and the rodless cylinder drives the sliding plate to be switched from a first position to a second position.
5. The pruning shear press-fitting jig according to claim 4, characterized in that: the lower shell positioning assembly comprises a first shell connected with the sliding plate, a first inner pressure head contained in the first shell, a first spring connected between the first inner pressure head and the inner wall of the first shell, and a first ejector pin contained at the upper end of the first inner pressure head, the first ejector pin extends out of the top surface of the first shell, and the first ejector pin is inserted into the mounting hole at the first position.
6. The pruning shear press-fitting jig according to claim 5, characterized in that: the lower shell positioning assembly comprises a cavity formed between the first outer shell and the first inner pressure head, a valve assembly mounted on the outer wall of the first outer shell and a channel penetrating through the first outer shell, wherein the channel is communicated with the cavity, and the valve assembly is communicated with the cavity through the channel so as to adjust the pressure in the cavity.
7. The pruning shear press-fitting jig according to claim 4, characterized in that: the cylindrical pin pressure head assembly comprises a second shell connected with the sliding plate, a second inner pressure head contained in the second shell, a second spring connected between the second inner pressure head and the inner wall of the second shell, and a second ejector pin contained in the upper end of the second inner pressure head, the second shell is provided with a through hole penetrating through the top, the second ejector pin extends into the through hole in a protruding mode, and the cylindrical pin is contained in the through hole and abuts against the upper end of the second ejector pin.
8. The pruning shear press-fitting jig according to claim 1, characterized in that: the pruning shear press-fitting jig comprises a profile block arranged on the supporting plate, the shape of the casing is matched with that of the profile block, and the casing is arranged in the profile block.
9. The pruning shear press-fitting jig according to claim 1, characterized in that: the pruning shear press-fitting jig comprises a base, a pair of guide rails arranged on two sides of the base and a connecting plate connected between the pair of guide rails, wherein an upper press head assembly is arranged on the connecting plate, a supporting plate is connected between the pair of guide rails, and the upper press head assembly is positioned between the connecting plate and the supporting plate.
CN202023045261.5U 2020-12-16 2020-12-16 Press fitting jig for pruning shears Active CN214558876U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202023045261.5U CN214558876U (en) 2020-12-16 2020-12-16 Press fitting jig for pruning shears

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202023045261.5U CN214558876U (en) 2020-12-16 2020-12-16 Press fitting jig for pruning shears

Publications (1)

Publication Number Publication Date
CN214558876U true CN214558876U (en) 2021-11-02

Family

ID=78333462

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202023045261.5U Active CN214558876U (en) 2020-12-16 2020-12-16 Press fitting jig for pruning shears

Country Status (1)

Country Link
CN (1) CN214558876U (en)

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