CN219378837U

CN219378837U - Bar end material gathering and forming hydraulic press

Info

Publication number: CN219378837U
Application number: CN202320321011.4U
Authority: CN
Inventors: 寻宝明; 曹阳
Original assignee: Beihuite Machinery Manufacturing Technology Xuzhou Co ltd
Current assignee: Beihuite Machinery Manufacturing Technology Xuzhou Co ltd
Priority date: 2023-02-27
Filing date: 2023-02-27
Publication date: 2023-07-21
Anticipated expiration: 2033-02-27

Abstract

The utility model discloses a bar end material gathering and forming hydraulic press, which comprises a clamping frame and a base frame, wherein the clamping frame is vertically arranged, and the base frame is horizontally connected with the clamping mechanism; the clamping frame is internally and vertically provided with a clamping body for clamping the bar stock, the base frame is internally and horizontally provided with a upsetting body, one surface of the clamping frame, which is away from the base frame, is provided with a material blocking mechanism, the material blocking mechanism is abutted against one end of the bar stock, and the upsetting body moves to upsett the other end of the bar stock; a control console is arranged on one side of the base frame, and a clamping body and an upsetting body pipeline are connected with the control console; according to the utility model, the stop mechanism is arranged on one side of the clamping frame, when the device is used, the bar is clamped by the clamping body, one end of the bar is abutted against the stop mechanism, at the moment, the upsetting body applies force to squeeze the other end of the bar, and the tail end of the bar is abutted against the tail end of the bar, so that transverse displacement cannot be generated, the clamping force of the clamping body can be properly reduced, an indentation cannot be generated on the bar, and the device is simple, practical and reliable.

Description

Bar end material gathering and forming hydraulic press

Technical Field

The utility model relates to the technical field of upsetting of shaft material products, in particular to a bar end material gathering and forming hydraulic press.

Background

Upsetting refers to a process in which the billet height is reduced and the diameter (or transverse dimension) is increased by pressure. This is the most basic form in the plastic forming step. For example, the working procedures of drawing, punching, die forging, extrusion, rolling and the like all have upsetting effects, a common device uses a clamping mechanism to clamp a workpiece, a hydraulic system is used for pressing one end of the workpiece until the end of the workpiece is formed, the surfaces of some bars are smooth, clamping degree needs to be increased for ensuring smooth upsetting, at the moment, clamping marks are generated on the bars, defects are brought to the bars after the operation is finished, the attractiveness of the product is affected, and the problem is solved.

In patent document CN113290181a, a steel bar upsetter is mentioned, and a clamping die is mounted on a frame, the clamping die has a clamping cavity capable of being opened and closed, and is used for clamping and fixing a steel bar; an upsetting die is arranged on the frame and is provided with a forming cavity with a fixed closed cavity structure and is used for upsetting and forming the head of the steel bar, and the forming cavity can bear the expanding force caused by upsetting and deformation of the head of the steel bar without cavity deformation; the center line of the clamping cavity and the center line of the forming cavity are positioned on the same axis; the upsetting power device is arranged on the frame, the fixing of the bar in the upsetting power device is completely dependent on the clamping cavity, and when the smoothness of the bar is high, the clamping force of the clamping cavity is increased to cause the surface of the bar to leave an indentation.

Disclosure of Invention

The utility model aims to provide a bar end material gathering and forming hydraulic press, which is used for solving the defect that in the prior art, an excessive clamping force is applied to increase the stability of a bar, so that an indentation appears on the bar.

In order to achieve the above purpose, the utility model is realized by adopting the following technical scheme: a bar end material gathering and forming hydraulic press comprises a clamping frame and a base frame, wherein the clamping frame is vertically arranged, and the base frame is horizontally connected with the clamping mechanism;

the clamping frame is internally and vertically provided with a clamping body for clamping the bar stock, the base frame is internally and horizontally provided with a upsetting body, one surface of the clamping frame, which is away from the base frame, is provided with a material blocking mechanism, the material blocking mechanism is abutted against one end of the bar stock, and the upsetting body moves to upsett the other end of the bar stock;

one side of the base frame is provided with a control console, and the clamping body and the upsetting body are connected with the control console through pipelines.

The clamping body comprises a clamping oil cylinder arranged on the upper portion of the clamping frame, a pipeline of the clamping oil cylinder is connected with a control console, a hydraulic rod of the clamping oil cylinder is connected with an upper die holder, a lower die holder is arranged on the clamping frame at the lower end of the upper die holder, and the clamping oil cylinder drives the upper die holder to move up and down during working.

A pair of semicircular clamping openings are formed in the opposite surfaces of the lower die base and the upper die base, and the diameters of the two semicircular clamping openings after the two semicircular clamping openings are identical are smaller than the diameters of the end parts of the bars.

The upsetting body comprises a forging cylinder and a die sleeve oil cylinder, and pipelines of the forging cylinder and the die sleeve oil cylinder are connected with a control console;

the forging cylinder is fixed on one side of the base frame far away from the clamping frame, the forging sliding block is fixed on the hydraulic shaft of the forging cylinder, the die sleeve oil cylinder is fixed on the base frame above the forging cylinder, the die sleeve oil cylinder is connected with the die sleeve through a bolt on the hydraulic shaft of the die sleeve oil cylinder, and one end of the forging sliding block is arranged in the die sleeve cavity.

The base frame is internally provided with a guide rail, and the die sleeve slides along the guide rail.

The stop mechanism comprises an adjusting seat, the adjusting seat is horizontally connected with one side, deviating from the base frame, of the clamping frame, a fixing seat is mounted on the adjusting seat through a bolt, and the top surface of the fixing seat is connected with a screw through nut matching.

The fixing seat mounting position is adjustable, the locating blocks integrally extend from the bottom surface of the fixing seat, a plurality of locating grooves are formed in the adjusting seat at equal intervals, and the locating blocks on the fixing seat are arranged in the locating grooves and fixed through bolts.

The clamping body, the upsetting body and the stop mechanism are arranged in a linear mode.

According to the technical scheme, the utility model has at least the following effects:

the device is characterized in that the stop mechanism is arranged on one side of the clamping frame, when in use, the bar is clamped by the clamping body, one end of the bar is abutted against the stop mechanism, at the moment, the upsetting body applies force to squeeze the other end of the bar, and as the tail end of the bar is abutted against the upsetting body and cannot generate transverse displacement, the clamping force of the clamping body can be properly reduced, so that an indentation cannot be generated on the bar, and the device is simple and practical;

in addition, two adjusting mechanisms arranged on the stop mechanism are provided with a screw rod matched with nuts, the screw rod is rotated to enable the screw rod to be transversely finely adjusted, the two fixing seats are provided with a plurality of locating blocks extending integrally and provided with a plurality of locating grooves at equal intervals, the locating blocks can be roughly adjusted in the locating grooves, the screw rod matched with the nuts is finely adjusted, bar stock butt joints with different lengths are met, and the adjusting precision is high and the stability is good.

Drawings

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

FIG. 2 is a side view of the present utility model;

FIG. 3 is a top view of the present utility model;

fig. 4 is an enlarged view at a in fig. 1.

Wherein: 1 base frame, 2 forging cylinder, 3 forging slider, 4 die sleeve, 5 stock stop, 6 clamping frame, 7 die sleeve hydro-cylinder, 8 die holder, 9 upper die base, 10 clamping hydro-cylinder, 11 control cabinet, 12 adjusting seat, 13 constant head tank, 14 fixing base, 15 nuts, 16 screw rods, 101 stock stop.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

As shown in fig. 1 to 4, the present utility model discloses a bar end material-gathering molding hydraulic press, which comprises a clamping frame 6 arranged vertically and a base frame 1 connected to the clamping mechanism horizontally; a clamping body for clamping the bar stock is vertically arranged in the clamping frame 6, upsetting bodies are horizontally arranged in the base frame 1, a stop mechanism 101 is arranged on one surface, away from the base frame 1, of the clamping frame 6, the stop mechanism 101 abuts against one end of the bar stock, and the upsetting bodies move to upsett the other end of the bar stock; the console 11 is arranged on one side of the base frame 1, the clamping body and upsetting body are connected with the console 11 through pipelines, the clamping body, the upsetting body and the stop mechanism 101 are arranged linearly, and electrical components in the console 11 are all mature prior art and are not repeated herein.

Referring to fig. 2, the clamping body comprises a clamping cylinder 10 mounted at the upper part of the clamping frame 6, a pipeline of the clamping cylinder 10 is connected with a control console 11, a hydraulic rod of the clamping cylinder 10 is connected with an upper die holder 9, a lower die holder 8 is arranged on the clamping frame 6 at the lower end of the upper die holder 9, when the clamping cylinder 10 drives the upper die holder 9 to move up and down in operation, a pair of semicircular clamping openings are formed on opposite surfaces of the lower die holder 8 and the upper die holder 9, the clamping body is started to enable the upper die holder 9 to descend, when the diameter of a circular opening after the two semicircular clamping openings are identical is smaller than that of a bar end part, hard rubber can be additionally arranged on the surface of the semicircular clamping opening if necessary, and in addition, the length of a cylindrical cavity formed after the two semicircular clamping openings are identical is designed to be as long as possible, so that the stress area of the bar can be increased when the bar is clamped, and indentation is further reduced.

Looking at figures 1 and 3 again, it can be seen that the upsetting body comprises a forging cylinder 2 and a die sleeve oil cylinder 7, and the pipelines of the forging cylinder 2 and the die sleeve oil cylinder 7 are connected with a control console 11;

the forging cylinder 2 is fixed on one side of the base frame 1, which is far away from the clamping frame 6, and the hydraulic shaft of the forging cylinder 2 is fixedly provided with the forging slide block 3, the die sleeve oil cylinder 7 is fixed on the base frame 1 above the forging cylinder 2, the die sleeve 4 is connected to the hydraulic shaft of the die sleeve oil cylinder 7 through bolts, one end of the forging slide block 3 is arranged in a cavity of the die sleeve 4, and in order to ensure the running stability of the die sleeve 4, the die sleeve 4 is arranged in the base frame 1 to a guide rail, and slides along the guide rail.

The specific structure of the material blocking mechanism 101 can be seen in fig. 4, the material blocking mechanism 101 comprises an adjusting seat 12, the adjusting seat 12 is horizontally connected with one side of the clamping frame 6, which is away from the base frame 1, a fixing seat 14 is mounted on the adjusting seat 12 through bolts, and the top surface of the fixing seat 14 is connected with a screw 16 through a nut 15 in a matched mode.

As an optimized scheme, the installation position of the fixing seat 14 is designed into an adjustable structure, the positioning blocks integrally extend out of the bottom surface of the fixing seat 14, a plurality of positioning grooves 13 are formed in the adjusting seat 12 at equal intervals, the positioning blocks of the fixing seat 14 are arranged in the positioning grooves 13 and are fixed through bolts, screw holes are formed in the adjusting seat 12 around the positioning grooves 13 in actual production, threaded through holes are formed in the fixing seat 14 in a matched mode, when the installation position of the fixing seat 14 is adjusted, the bolts are loosened, the proper positioning grooves 13 are selected, the bolts are re-screwed, the scheme is designed, the limitation of adjustment of the screw rods 16 and the nuts 15 is avoided, the abutting range of the screw rods 16 is increased, and the length range of the bar is wider.

The device is specifically used, the installation fixing position of the fixing seat 14 is initially adjusted according to the length of a bar in use, the adjustment mode is not described in detail herein, the bar is placed in the clamping opening of the lower die holder 8 after the adjustment is completed, the clamping cylinder 10 is started to drive the upper die holder 9 to move downwards to clamp the bar to a proper position, then the screw 16 on the stop mechanism 101 is rotated until one end of the screw 16 abuts against one end of the bar, the die sleeve cylinder 7 is started to drive the die sleeve 4 to be sleeved at the other end of the bar (upsetting treatment is carried out at the end), the forging cylinder 2 is started to drive the forging slide block 3 to upsett the other end of the bar, the forging slide block 3, the upper die holder 9 and the die sleeve 4 are retracted and reset after the bar treatment is completed, the bar is continuously processed by the same operation, the work load of the clamping body can be greatly reduced by the adjustable stop mechanism 101 designed in the device, no large clamping force is required during operation, obvious indentation is not generated on the bar, and the attractive appearance of a product is ensured.

It will be appreciated by those skilled in the art that the present utility model can be carried out in other embodiments without departing from the spirit or essential characteristics thereof. Accordingly, the above disclosed embodiments are illustrative in all respects, and not exclusive. All changes that come within the scope of the utility model or equivalents thereto are intended to be embraced therein.

Claims

1. The bar end material gathering and forming hydraulic press is characterized by comprising a clamping frame (6) which is vertically arranged and a base frame (1) which is horizontally connected with the clamping mechanism;

a clamping body for clamping the bar stock is vertically arranged in the clamping frame (6), upsetting bodies are horizontally arranged in the base frame (1), a stop mechanism (101) is arranged on one surface, away from the base frame (1), of the clamping frame (6), the stop mechanism (101) abuts against one end of the bar stock, and the upsetting bodies upset the other end of the bar stock in a moving mode;

one side of the base frame (1) is provided with a control console (11), and the clamping body and upsetting body pipeline is connected with the control console (11).

2. The bar end material gathering and forming hydraulic press according to claim 1, wherein the clamping body comprises a clamping oil cylinder (10) arranged on the upper portion of the clamping frame (6), a pipeline of the clamping oil cylinder (10) is connected with a control console (11), a hydraulic rod of the clamping oil cylinder (10) is connected with an upper die holder (9), a lower die holder (8) is arranged on the clamping frame (6) at the lower end of the upper die holder (9), and the clamping oil cylinder (10) drives the upper die holder (9) to move up and down in operation.

3. The bar end material gathering and forming hydraulic press according to claim 2, wherein a pair of semicircular clamping openings are arranged on opposite surfaces of the lower die holder (8) and the upper die holder (9), and the diameter of the circular opening after the two semicircular clamping openings are identical is smaller than that of the bar end.

4. A bar end gathering forming hydraulic press as recited in claim 1, wherein the upsetting body comprises a forging cylinder (2), a die sleeve cylinder (7), and the forging cylinder (2) and the die sleeve cylinder (7) are connected with a control console (11) through pipelines;

the forging cylinder (2) is fixed on one side, far away from the clamping frame (6), of the base frame (1), the forging sliding block (3) is fixed on a hydraulic shaft of the forging cylinder (2), the die sleeve oil cylinder (7) is fixed on the base frame (1) above the forging cylinder (2), the die sleeve oil cylinder (7) is connected with the die sleeve (4) through a bolt on the hydraulic shaft, and one end of the forging sliding block (3) is arranged in a cavity of the die sleeve (4).

5. A bar end gathering molding hydraulic press as recited in claim 4, wherein the base frame (1) is further provided with a guide rail along which the die sleeve (4) slides.

6. A bar end material gathering and forming hydraulic press as claimed in claim 1, wherein the stop mechanism (101) comprises an adjusting seat (12), the adjusting seat (12) is horizontally connected with one side of the clamping frame (6) which is away from the base frame (1), a fixing seat (14) is mounted on the adjusting seat (12) through bolts, and a screw (16) is connected to the top surface of the fixing seat (14) through a nut (15) in a matched mode.

7. The bar end material gathering molding hydraulic press according to claim 6, wherein the installation position of the fixing seat (14) is adjustable, a positioning block integrally extends from the bottom surface of the fixing seat (14), a plurality of positioning grooves (13) are equidistantly formed in the adjusting seat (12), and the positioning block of the fixing seat (14) is placed in the positioning groove (13) and fixed through bolts.

8. A bar end form hydraulic machine according to claim 1, characterized in that the clamping body, upsetting body and stop means (101) are arranged linearly.