CN220387919U

CN220387919U - Adjustable thimble for machining

Info

Publication number: CN220387919U
Application number: CN202322080744.6U
Authority: CN
Inventors: 李海澄; 白兵; 刘世华
Original assignee: State Run Wuhu Machinery Factory
Current assignee: State Run Wuhu Machinery Factory
Priority date: 2023-08-03
Filing date: 2023-08-03
Publication date: 2024-01-26
Anticipated expiration: 2033-08-03

Abstract

The utility model relates to the technical field of machining, in particular to an adjustable thimble for machining, which comprises a pneumatic sliding table, an assembly body, a rocker arranged at the rear end of the assembly body, a controller arranged at the top end of the assembly body, a sleeve arranged at the front end of the assembly body and a thimble arranged in the front end of the sleeve, wherein an adjusting mechanism which is in sliding connection with the pneumatic sliding table and is fixedly connected with the assembly body is arranged between the pneumatic sliding table and the assembly body. According to the utility model, through the adjusting mechanism with the height adjuster and the horizontal adjuster, the assembly body can be driven to adjust the height, so that the thimble can adjust the heights of workpieces with different sizes, and the most effective supporting function is exerted; the assembly body can be driven to carry out front-back micro-distance adjustment, so that the thimble is slowly contacted and supported with a workpiece, the excessive rapid loss of the workpiece by the thimble is avoided, and the convenience of supporting the workpiece is improved.

Description

Adjustable thimble for machining

Technical Field

The utility model relates to the technical field of machining, in particular to an adjustable thimble for machining.

Background

In the machining process, a thimble mechanism is usually required to be arranged to be matched with a positioning device of machining equipment such as a machine tool to position and fix a workpiece, so that the jumping of the workpiece in the machining process is reduced as much as possible, and the machining quality of the workpiece and the qualification rate of products are improved.

Through retrieving, chinese patent No. CN218427834U discloses an adjustable machining thimble, carries out forward and backward rotation to the worm through adjust knob, still through worm tooth and worm wheel meshing transmission cooperation when the worm rotates, and then drive the screw rod and rotate, still rotate relatively with the thread groove of ejector pin bottom when the screw rod rotates, the ejector pin carries out vertical direction cooperation through the guide connecting rod of crossbearer bottom and guide slot again simultaneously, when the screw rod rotates like this, can make the ejector pin carry out upwards or downwards thread transmission on the screw rod through the thread groove to can carry out lifting adjustment to the jacking height of ejector pin.

However, in the use process of the thimble for machining, the thimble cannot be adjusted and supported for objects with different heights due to the fact that the whole thimble is in a fixed state, flexibility is poor, meanwhile, most of the thimble for machining adopts a pneumatic moving mode, moving speed is high, and micro-distance adjustment is difficult to achieve for small distances.

Disclosure of Invention

In order to solve the technical problems, the utility model provides an adjustable thimble for machining.

The technical problems to be solved by the utility model are realized by adopting the following technical scheme:

the thimble for adjustable machining comprises a pneumatic sliding table, an assembly body, a rocker arranged at the rear end of the assembly body, a controller arranged at the top end of the assembly body, a sleeve arranged at the front end of the assembly body, and a thimble arranged in the front end of the sleeve, wherein an adjusting mechanism which is in sliding connection with the pneumatic sliding table and is fixedly connected with the assembly body is arranged between the pneumatic sliding table and the assembly body;

the adjusting mechanism comprises a base, four supporting rods, four moving rods, supporting plates, a height adjuster and a horizontal adjuster, wherein the base is in sliding connection with the pneumatic sliding table, the four supporting rods are vertically distributed on the base, the four moving rods are vertically and slidably connected onto the four supporting rods, the supporting plates are connected to the tops of the four moving rods, the height adjuster is arranged on the base and connected with the supporting plates to adjust the height of the supporting plates, and the horizontal adjuster is arranged on the supporting plates and connected with the assembly to adjust the front-back distance of the assembly.

Preferably, the height adjuster comprises a fixed rod arranged on the base, a screw rod which is in threaded connection with the inside of the fixed rod and the top of which is connected with the supporting plate, a first bevel gear which is in rotational connection with the top of the fixed rod and the inside of which is in threaded connection with the screw rod, a mounting plate which is connected with the rear side of the fixed rod, a second bevel gear which is in rotational connection with the left side of the mounting plate and is meshed with the first bevel gear, and a rotating rod which is arranged on the right side of the mounting plate and is connected with the second bevel gear.

Preferably, a connecting rod is connected between the four moving rods, and the top of the screw rod is connected with the screw rod.

Preferably, two height adjusters are arranged and are distributed on the base in a bilateral symmetry mode.

Preferably, the level adjuster comprises a supporting seat arranged on the supporting plate, a knob arranged at the front end of the supporting seat, a screw rod arranged inside the supporting seat and connected with the knob, and a sliding block arranged on the screw rod, and the assembly body is connected to the top of the sliding block.

Preferably, the left and right sides of the support seat are symmetrically provided with guide grooves, and the sliding blocks are correspondingly and slidably arranged in the guide grooves.

Preferably, protrusions are symmetrically arranged on the left side and the right side of the sliding block, and the protrusions are in sliding connection with the guide grooves.

Preferably, the outer side surfaces of the four support bars are smooth outer side surfaces.

The beneficial effects of the utility model are as follows:

according to the utility model, through the height adjuster in the adjusting mechanism, the second gear is rotated by rotating the rotating rod to drive the first gear meshed with the second gear, so that the screw rod moves up and down along with the rotation of the first gear, and meanwhile, the moving rod is driven to move outside the supporting rod and act on the supporting plate together, so that the supporting plate moves up and down slowly, the assembly body is driven to adjust the height, and the thimble can adjust the heights of workpieces with different sizes, so that the most effective supporting function is exerted.

Through the level regulator among the adjustment mechanism who sets up, through rotating the knob, and then drive the lead screw and rotate thereupon for with the slow back-and-forth movement of lead screw thread complex slider, drive the assembly and carry out the back-and-forth micro-distance adjustment, make the thimble slowly contact, support the machined part, avoid the thimble to lose the machined part too fast, improve the convenience of supporting the machined part.

Drawings

The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic perspective view of an adjusting mechanism according to the present utility model;

FIG. 3 is an enlarged schematic view of the structure of FIG. 2 at A;

FIG. 4 is a schematic cross-sectional view of a height adjuster according to the present utility model;

fig. 5 is a schematic cross-sectional structure of the level adjuster of the present utility model.

In the figure: 1. a pneumatic sliding table; 2. an assembly body; 3. a rocker; 4. a controller; 5. a sleeve; 6. a thimble; 7. an adjusting mechanism; 71. a base; 72. a fixed rod; 73. a first helical gear; 74. a screw; 75. a mounting plate; 76. a rotating lever; 77. a second helical gear; 78. a support rod; 79. a moving rod; 710. a connecting rod; 711. a support plate; 712. a level adjuster; 7121. a support base; 7122. a knob; 7123. a screw rod; 7124. a slide block; 7125. a guide groove; 7126. a protrusion; 713. a height adjuster.

Detailed Description

In order that the manner in which the utility model is attained, as well as the features and advantages thereof, will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings.

As shown in fig. 1, the thimble for adjustable machining comprises a pneumatic sliding table 1, an assembly body 2, a rocker 3, a controller 4, a sleeve 5, a thimble 6 and an adjusting mechanism 7. The bottom sliding connection of adjustment mechanism 7 is in on the pneumatic slip table 1, the bottom of assembly body 2 with the top fixed connection of adjustment mechanism 7, rocker 3 connect in the rear end of assembly body 2, controller 4 sets up the top of assembly body 2, sleeve 5 sets up the front end of assembly body 2, thimble 6 set up in inside the front end of sleeve 5.

As shown in fig. 2 to 5, the adjusting mechanism 7 includes a base 71 slidably connected to the pneumatic slide table 1, four support rods 78 vertically distributed on the base 71, four moving rods 79 vertically slidably connected to the four support rods 78, a support plate 711 connected to the top of the four moving rods 79, a height adjuster 713 provided on the base 71 and connected to the support plate 711 to adjust the height of the support plate 711, and a horizontal adjuster 712 provided on the support plate 711 and connected to the assembly 2 to adjust the front-rear distance of the assembly 2.

Further, the height adjuster 713 includes a fixing rod 72 provided on the base 71, a screw 74 screwed inside the fixing rod 72 and having a top connected to the support plate 711, a first bevel gear 73 having a bottom end rotatably connected to the top of the fixing rod 72 and having an inside screwed to the screw 74, a mounting plate 75 connected to a rear side of the fixing rod 72, a second bevel gear 77 rotatably connected to a left side of the mounting plate 75 and engaged with the first bevel gear 73, and a rotating rod 76 provided on a right side of the mounting plate 75 and connected to the second bevel gear 77. Connecting rods 710 are connected among the four movable rods 79, and the connecting rods 710 are made of tungsten steel and have high strength; the top of the screw 74 is connected to the screw 74. The four support bars 78 are made of stainless steel, strong, and the outer side surface is a smooth outer side surface. Which facilitates the up and down movement of the four moving rods 79. The mounting plate 75 has an L-shaped cross section, which is advantageous for supporting the second bevel gear 77.

The height adjusters 713 are arranged in two and are symmetrically distributed on the base 71. The two height adjusters 713 are advantageous in uniformly supporting and adjusting the supporting plate 711.

Further, the level adjuster 712 includes a support base 7121 provided on the support plate 711, a knob 7122 provided at a front end of the support base 7121, a screw 7123 provided inside the support base 7121 and connected to the knob 7122, and a slider 7124 provided on the screw 7123, and the assembly 2 is connected to a top of the slider 7124. Guide grooves 7125 are symmetrically formed in the left side and the right side of the inside of the support base 7121, and the sliding blocks 7124 are correspondingly and slidably arranged in the guide grooves 7125. The left and right sides of the sliding block 7124 are symmetrically provided with a protrusion 7126, and the protrusion 7126 is slidably connected with the guide groove 7125.

The working principle and the using flow of the utility model are as follows:

when the pneumatic sliding table 1 is used, the pneumatic sliding table 1 is started to greatly adjust the position of the assembly body 2, then the height adjustment is carried out according to a workpiece, the rotating rod 76 is rotated, so that the second bevel gear 77 is rotated, and the tooth shapes of the first bevel gear 73 and the second bevel gear 77 are matched, therefore, when the second bevel gear 77 is rotated, the first bevel gear 73 is driven to be meshed and driven, the screw 74 moves up and down along with the rotation of the first bevel gear 73, and meanwhile, the moving rod 79 is driven to move outside the supporting rod 78 and jointly acts on the supporting plate 711 to enable the supporting plate to move up and down slowly, the assembly body 2 is driven to adjust the height, and the thimble 6 can carry out height adjustment on workpieces with different sizes; then the rocker 3 is rotated to slide the sleeve 5 back into the assembly body 2, and the thimble 6 in the sleeve 5 is exposed; then according to the tiny distance between the workpiece and the thimble, the knob 7122 is slowly rotated, and then the screw rod 7123 is driven to rotate along with the knob, so that the sliding block 7124 in threaded fit with the screw rod 7123 slowly moves back and forth, the assembly body 2 is driven to carry out the back and forth micro-distance adjustment, the thimble 6 is enabled to slowly contact and support the workpiece, the workpiece is prevented from being lost due to the excessive speed of the thimble, when the thimble 6 needs to be replaced, the controller 4 is operated to control the opening and closing of the thimble, and the thimble 6 is subjected to the tightness operation.

The control mode of the utility model is controlled by manually starting and closing the switch, the wiring diagram of the power element and the supply of the power supply are common knowledge in the field, and the utility model is mainly used for protecting the mechanical device, so the utility model does not explain the control mode and the wiring arrangement in detail.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. An adjustable thimble for machining, its characterized in that: the pneumatic sliding table comprises a pneumatic sliding table body (1), an assembly body (2), a rocker (3) arranged at the rear end of the assembly body (2), a controller (4) arranged at the top end of the assembly body (2), a sleeve (5) arranged at the front end of the assembly body (2) and a thimble (6) arranged in the front end of the sleeve (5), wherein an adjusting mechanism (7) which is in sliding connection with the pneumatic sliding table body (1) and is fixedly connected with the assembly body (2) is arranged between the pneumatic sliding table body (1) and the assembly body (2);

the adjusting mechanism (7) comprises a base (71) which is in sliding connection with the pneumatic sliding table (1), four supporting rods (78) which are vertically distributed on the base (71), four moving rods (79) which are vertically and slidably connected on the four supporting rods (78), a supporting plate (711) which is connected to the tops of the four moving rods (79), a height adjuster (713) which is arranged on the base (71) and is connected with the supporting plate (711) to adjust the height of the supporting plate (711), and a horizontal adjuster (712) which is arranged on the supporting plate (711) and is connected with the assembly body (2) to adjust the front-back distance of the assembly body (2).

2. The adjustable machining thimble according to claim 1, wherein: the height adjuster (713) is including setting up dead lever (72) on base (71), threaded connection in inside dead lever (72) and the top with screw rod (74) that backup pad (711) are connected, the bottom with first helical gear (73) that dead lever (72) top rotate to be connected and inside with screw rod (74) threaded connection, with mounting panel (75) that dead lever (72) rear side is connected, rotate connect in mounting panel (75) left side and with second helical gear (77) of first helical gear (73) meshing, set up in mounting panel (75) right side and with dwang (76) that second helical gear (77) are connected.

3. An adjustable machining thimble according to claim 2, wherein: connecting rods (710) are connected between the four moving rods (79), and the top of the screw rod (74) is connected with the screw rod (74).

4. An adjustable machining thimble according to claim 2, wherein: the height adjusters (713) are arranged in two and are distributed on the base (71) in a bilateral symmetry mode.

5. The adjustable machining thimble according to claim 1, wherein: the level adjuster (712) comprises a supporting seat (7121) arranged on the supporting plate (711), a knob (7122) arranged at the front end of the supporting seat (7121), a screw rod (7123) arranged inside the supporting seat (7121) and connected with the knob (7122), and a sliding block (7124) arranged on the screw rod (7123), wherein the assembly body (2) is connected to the top of the sliding block (7124).

6. The adjustable machining thimble according to claim 5, wherein: guide grooves (7125) are symmetrically formed in the left side and the right side of the inside of the support base (7121), and the sliding blocks (7124) are correspondingly and slidably arranged in the guide grooves (7125).

7. The adjustable machining thimble according to claim 6, wherein: protrusions (7126) are symmetrically arranged on the left side and the right side of the sliding block (7124), and the protrusions (7126) are in sliding connection with the guide grooves (7125).

8. The adjustable machining thimble according to claim 1, wherein: the outer side surfaces of the four support rods (78) are smooth outer side surfaces.