CN215968439U

CN215968439U - Pressfitting mounting fixture

Info

Publication number: CN215968439U
Application number: CN202121537756.1U
Authority: CN
Inventors: 代克明; 卢胜泉; 王友辉; 陈小玉
Original assignee: Shenzhen Jiuzhou Optoelectronics Technology Co Ltd
Current assignee: Shenzhen Jiuzhou Optoelectronics Technology Co Ltd
Priority date: 2021-07-07
Filing date: 2021-07-07
Publication date: 2022-03-08
Anticipated expiration: 2031-07-07

Abstract

The utility model discloses a pressing fixing clamp which comprises a fixing block, wherein a stamping part is installed on the upper end face of the fixing block through a positioning mechanism, the stamping part is composed of a workpiece body, an installation pipe and an installation hole, the installation pipe is fixed on the workpiece body, the installation hole is formed in the installation pipe, a positioning sleeve is installed on the lower end face of the fixing block through an installation mechanism, and a pushing mechanism for pressing is arranged between the positioning sleeve and the fixing block. When the press-fit combined machining process is carried out on the stamping part, the whole stamping and assembling process is simple to operate and convenient to implement, the stamping efficiency is improved, the stamping position of the stamping part is limited by the limiting mechanism in the stamping and assembling process, the stamping part is prevented from abutting against a fixed block in the stamping process, the whole stamping and stress damage is avoided, and the use of the press-fit fixing clamp is further facilitated.

Description

Pressfitting mounting fixture

Technical Field

The utility model relates to the technical field of press fit, in particular to a press fit fixing clamp.

Background

In the field of mechanical automation, a plurality of complete parts are assembled by various required parts, and in the assembling process, a stamping and assembling machine is often used for assembling and mounting the parts which need to be combined together through the stamping and assembling machine.

The punching press assembly machine comprises parts such as drift and pressfitting mounting fixture for the punching press, and at the in-process of punching press, fixes the work piece through pressfitting mounting fixture, but current punching press assembly machine is at the in-process of pressing the dress, and the work piece that the drift was direct on the pressfitting mounting fixture is punched, easily causes work piece atress and the striking of pressfitting mounting fixture emergence, causes the damage of pressing the dress work piece, further the press-fit operation of the work piece of being not convenient for.

Therefore, a pressing fixture is needed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a pressing and fixing clamp, and solves the problems that in the press-fit process of the existing pressing and assembling machine in the background art, a punch directly presses a workpiece on the pressing and fixing clamp, the workpiece is easily stressed and collides with the pressing and fixing clamp, the press-fit workpiece is damaged, and the press-fit operation of the workpiece is further inconvenient.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a pressfitting mounting fixture, includes the fixed block, the stamping workpiece is installed through positioning mechanism to the up end of fixed block, the stamping workpiece is by work piece body, installation pipe and mounting hole combination, the installation pipe is fixed on the work piece body, the mounting hole is seted up on the installation pipe, the position sleeve is installed through installation mechanism to the lower terminal surface of fixed block, be provided with the pushing mechanism who is used for the punching press pressfitting between position sleeve and the fixed block, pushing mechanism includes the ejector pin of sliding connection on the position sleeve, ejector pin and mounting hole mutually support the setting, install the catch bar on the ejector pin, there is the guide pin bushing through direction subassembly sliding connection on the catch bar, the guide pin bushing is located between fixed block and the position sleeve, be provided with on the guide pin and be used for punching press spacing stop gear.

Positioning mechanism is including seting up the mounting groove on the fixed block, it has the constant head tank to set up on the mounting groove, work piece body and installation pipe match the setting with mounting groove and constant head tank each other respectively.

Installation mechanism is including fixing the installation piece of terminal surface under the fixed block, a plurality of square grooves have been seted up on the installation piece, install square strip on the position sleeve, square groove and square strip match the setting each other, fixed block, installation piece and position sleeve are gone up to run through and are seted up a plurality of thread grooves.

The guide assembly comprises a T-shaped strip arranged on the push rod, a T-shaped groove is formed in the guide sleeve, the T-shaped strip is connected to the T-shaped groove in a sliding mode, and the T-shaped strip and the T-shaped groove are matched with each other.

The limiting mechanism comprises a positioning tube which is connected to the push rod in a sliding mode, the positioning tube is fixed to the guide sleeve, a guide block is connected to the positioning sleeve in a sliding mode, and the guide block is connected with the guide sleeve through threads.

The outer sleeve of registration arm is equipped with first spring, the both ends of first spring are connected with installation piece and guide pin bushing respectively.

And a second spring is sleeved on the outer side wall of the push rod, and two ends of the second spring are respectively connected with the guide sleeve and the ejector rod.

And a smooth film is arranged on the outer side wall of the push rod.

Compared with the prior art, the utility model has the beneficial effects that:

1. when the press-fit combined machining process is carried out on the stamping part, the whole stamping and assembling process is simple to operate and convenient to implement, the stamping efficiency is improved, the stamping position of the stamping part is limited by the limiting mechanism in the stamping and assembling process, the stamping part is prevented from abutting against a fixed block in the stamping process, the whole stamping and stress damage is avoided, and the use of the press-fit fixing clamp is further facilitated.

2. When the limiting operation is carried out on the stamping part, the T-shaped strip and the T-shaped groove are used for stably limiting and guiding the guide sleeve, so that the positioning tube on the guide sleeve can accurately abut against the stamping part on the positioning groove and push the stamping part to limit, and the transmission quality of the limiting mechanism is further improved.

Drawings

FIG. 1 is a schematic diagram of the overall profile explosion configuration of the present invention;

FIG. 2 is a schematic side view of the present invention;

FIG. 3 is a schematic view of the overall configuration of the present invention;

FIG. 4 is a schematic view of a fixing block structure according to the present invention;

fig. 5 is an enlarged view of a portion a in fig. 2.

In the figure: 1. a fixed block; 2. an installation mechanism; 201. mounting blocks; 202. a square groove; 203. Square strips; 204. a thread groove; 3. a positioning sleeve; 4. a top rod; 5. a push rod; 6. a guide assembly; 601. t-shaped strips; 602. a T-shaped groove; 7. a guide sleeve; 8. a limiting mechanism; 801. a positioning tube; 802. a guide block; 803. a first spring; 9. a second spring; 10. a positioning mechanism; 1001. mounting grooves; 1002. positioning a groove; 11. stamping parts; 1101. a workpiece body; 1102. installing a pipe; 1103. and (7) installing holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the pressing and fixing clamp provided by the present invention includes a fixing block 1, a punch for punching is disposed above the fixing block 1, a sleeve cylinder and a lower punching cylinder are disposed below the fixing block 1, a punching part 11 is mounted on an upper end surface of the fixing block 1 through a positioning mechanism 10, the punching part 11 is composed of a workpiece body 1101, a mounting pipe 1102 and a mounting hole 1103, the mounting pipe 1102 is fixed on the workpiece body 1101, the mounting hole 1103 is opened on the mounting pipe 1102, a positioning sleeve 3 is mounted on a lower end surface of the fixing block 1 through a mounting mechanism 2, a pushing mechanism for punching and pressing is disposed between the positioning sleeve 3 and the fixing block 1, the pushing mechanism includes a push rod 4 slidably connected to the positioning sleeve 3, the push rod 4 and the mounting hole 1103 are disposed in a matching manner, a push rod 5 is mounted on the push rod 4, a guide sleeve 7 is slidably connected to the push rod 5 through a guide assembly 6, the guide sleeve 7 is positioned between the fixed block 1 and the positioning sleeve 3, and a limiting mechanism 8 for stamping and limiting is arranged on the guide sleeve 7.

Positioning mechanism 10 is including offering mounting groove 1001 on fixed block 1, and it has constant head tank 1002 to offer on mounting groove 1001, and work piece body 1101 and installation pipe 1102 match the setting each other with mounting groove 1001 and constant head tank 1002 respectively, through the positioning action of mounting groove 1001 and constant head tank 1002, are convenient for install stamping workpiece 11 location on fixed block 1.

Installation mechanism 2 is including fixing the installation piece 201 at fixed block 1 lower terminal surface, a plurality of square grooves 202 have been seted up on the installation piece 201, install square strip 203 on the position sleeve 3, square groove 202 and square strip 203 set up with mutually matching, fixed block 1, run through on installation piece 201 and the position sleeve 3 and seted up a plurality of thread grooves 204, through square strip 203 and square groove 202, be convenient for install position sleeve 3 on installation piece 201, through a plurality of thread grooves 204, be convenient for fix position sleeve 3 and installation piece 201 mutually.

The guide assembly 6 comprises a T-shaped strip 601 arranged on the push rod 5, a T-shaped groove 602 is formed in the guide sleeve 7, the T-shaped strip 601 is connected to the T-shaped groove 602 in a sliding mode, the T-shaped strip 601 and the T-shaped groove 602 are matched with each other and arranged, stable limiting guide is conducted on the guide sleeve 7 through the T-shaped strip 601 and the T-shaped groove 602, the positioning tube 801 on the guide sleeve 7 can accurately abut against a stamping part 11 on the positioning groove 1002 and pushes the stamping part to be limited, and the transmission quality of the limiting mechanism 8 is further improved.

The limiting mechanism 8 comprises a positioning pipe 801 which is slidably connected onto the push rod 5, the positioning pipe 801 is fixed with the guide sleeve 7, a guide block 802 is slidably connected onto the positioning sleeve 3, the guide block 802 is in threaded connection with the guide sleeve 7, the punching position of the punching part 11 is limited by the limiting mechanism 8 in the punching assembly process, the punching part 11 is prevented from being abutted against the fixed block 1 in the punching process, the stress damage of the whole punching part 11 is avoided, and the use of the pressing and fixing clamp is further facilitated.

The outer portion of the positioning tube 801 is sleeved with a first spring 803, two ends of the first spring 803 are respectively connected with the mounting block 201 and the guide sleeve 7, when the positioning tube 801 on the guide sleeve 7 slides in the positioning groove 1002, the first spring 803 is stressed and extruded to generate elastic force, and the guide sleeve 7 is convenient to reset through the elastic force of the first spring 803.

The outside lateral wall of catch bar 5 is overlapped and is equipped with second spring 9, and the both ends of second spring 9 are connected with guide pin bushing 7 and ejector pin 4 respectively, and in the upward motion's of ejector pin 4 in-process, second spring 9 atress compression produces elasticity, when ejector pin 4 no longer upwards promotes, through the promotion of second spring 9, makes ejector pin 4 reset.

A smooth film is arranged on the outer side wall of the push rod 5, friction is reduced through the smooth film, and sliding of the guide sleeve 7 on the push rod 5 is further facilitated.

The working principle is as follows: in the process of press-fitting and combined machining of the stamping part 11, firstly, the stamping part 11 to be press-fitted is placed on the fixed block 1 through an external mechanical arm, and in the placing process, the stamping part 11 is accurately placed on the fixed block 1 through the positioning action of the mounting groove 1001 and the positioning groove 1002 on the fixed block 1;

then, the sleeve cylinder below the fixed block 1 is started, the sleeve cylinder pushes the guide block 802 to slide on the positioning sleeve 3, the positioning pipe 801 on the guide sleeve 7 is synchronously driven to slide in the positioning groove 1002 in the movement process of the guide block 802, the first spring 803 is stressed and extruded to generate elastic force at the moment, the workpiece on the positioning groove 1002 is pushed to move upwards for a certain distance by the sliding of the positioning pipe 801, the stamping part 11 is not abutted against the side wall of the mounting groove 1001 at the moment to form the limiting mechanism 8 in the process of press-fitting and placing of the stamping part 11, the lower stamping cylinder below the fixed block 1 is started, the whole ejector rod 4 and the ejector rod 5 are pushed to slide by the lower stamping cylinder, the ejector rod 5 is enabled to move into the mounting hole 1103 on the stamping part 11, and the whole stamping part 11 is pushed to abut against the upper punch above the fixed block 1, and the stamping operation of the stamping part 11 is completed, the whole stamping assembly process is simple to operate and convenient to implement, the stamping efficiency is improved, the stamping position of the stamping part 11 is limited by the limiting mechanism 8 in the stamping assembly process, the stamping part 11 is prevented from abutting against the fixed block 1 in the stamping process, the whole stamping part 11 is prevented from being damaged due to stress, and the use of a pressing and fixing clamp is further facilitated;

finally, when the stamping part 11 is limited, the guide sleeve 7 is stably limited and guided through the T-shaped strip 601 and the T-shaped groove 602, so that the positioning tube 801 on the guide sleeve 7 can accurately abut against the stamping part 11 on the positioning groove 1002 and push the stamping part to limit, and the transmission quality of the limiting mechanism 8 is further improved.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a pressfitting mounting fixture, includes fixed block (1), its characterized in that: the stamping device is characterized in that a stamping part (11) is installed on the upper end face of the fixed block (1) through a positioning mechanism (10), the stamping part (11) is composed of a workpiece body (1101), an installation pipe (1102) and an installation hole (1103), the installation pipe (1102) is fixed on the workpiece body (1101), the installation hole (1103) is formed in the installation pipe (1102), a positioning sleeve (3) is installed on the lower end face of the fixed block (1) through an installation mechanism (2), a pushing mechanism for stamping and pressing is arranged between the positioning sleeve (3) and the fixed block (1), the pushing mechanism comprises a push rod (4) which is connected to the positioning sleeve (3) in a sliding mode, the push rod (4) and the installation hole (1103) are arranged in a matched mode, a push rod (5) is installed on the push rod (4), and a guide sleeve (7) is connected to the push rod (5) through a guide component (6) in a sliding mode, the guide sleeve (7) is located between the fixing block (1) and the positioning sleeve (3), and a limiting mechanism (8) used for stamping limiting is arranged on the guide sleeve (7).

2. A press fit fastening clip as claimed in claim 1, wherein: positioning mechanism (10) are including offering mounting groove (1001) on fixed block (1), it has constant head tank (1002) to offer on mounting groove (1001), work piece body (1101) and installation pipe (1102) match the setting each other with mounting groove (1001) and constant head tank (1002) respectively.

3. A press fit fastening clip as claimed in claim 1, wherein: installation mechanism (2) is including fixing installation piece (201) at terminal surface under fixed block (1), a plurality of square grooves (202) have been seted up on installation piece (201), install square strip (203) on position sleeve (3), square groove (202) and square strip (203) match each other and set up, run through on fixed block (1), installation piece (201) and position sleeve (3) and seted up a plurality of thread grooves (204).

4. A press fit fastening clip as claimed in claim 1, wherein: the guide assembly (6) comprises a T-shaped strip (601) arranged on a push rod (5), a T-shaped groove (602) is formed in a guide sleeve (7), the T-shaped strip (601) is connected to the T-shaped groove (602) in a sliding mode, and the T-shaped strip (601) and the T-shaped groove (602) are arranged in a matched mode.

5. A press fit fastening clip as claimed in claim 1, wherein: stop gear (8) are including positioning tube (801) of sliding connection on catch bar (5), positioning tube (801) are fixed mutually with guide pin bushing (7), sliding connection has guide block (802) on position sleeve (3), through threaded connection between guide block (802) and guide pin bushing (7).

6. A press fit fastening clip as claimed in claim 5, wherein: the outer portion of the positioning tube (801) is sleeved with a first spring (803), and two ends of the first spring (803) are respectively connected with the mounting block (201) and the guide sleeve (7).

7. A press fit fastening clip as claimed in claim 1, wherein: and a second spring (9) is sleeved on the outer side wall of the push rod (5), and two ends of the second spring (9) are respectively connected with the guide sleeve (7) and the ejector rod (4).

8. A press fit fastening clip as claimed in claim 1, wherein: a smooth film is arranged on the outer side wall of the push rod (5).