Positioning structure for heavy hydraulic machine
By setting up positioning and protective structures on heavy-duty hydraulic presses, the problem of mold positioning and clamping is solved, ensuring processing stability and work safety.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-10
- Publication Date
- 2026-03-20
AI Technical Summary
Existing heavy-duty hydraulic presses have difficulty effectively positioning and clamping the molds during processing, resulting in mold position displacement and affecting processing results.
The positioning structure includes a bidirectional screw, a screw sleeve, and a positioning block. The screw is rotated by a drive motor to achieve positioning and clamping of the mold. At the same time, a protective structure is set to prevent metal material from splashing.
It achieves stable positioning and clamping of the mold, prevents positional displacement, and provides safety protection for workers.
Smart Images

Figure CN224011033U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to heavy hydraulic press technical field, in particular to a positioning structure for heavy hydraulic press. BACKGROUND
[0002] Heavy hydraulic press is a kind of machine for transmitting energy to realize various processes using Pascal principle with liquid as working medium. It is widely used in metallurgy, construction, aviation, shipbuilding, heavy machinery manufacturing, aviation industry, etc., and is mainly used for processing metal such as pressing forming metal sheet, bending metal parts, stamping metal parts, etc.
[0003] Therefore, the patent specification with publication number CN202507578U discloses a hydraulic press, which comprises a hydraulic press body, a base, a heat dissipation mechanism, a water tank, a water pump and a refrigerator. The heat dissipation mechanism is arranged on the hydraulic press body and can absorb the heat generated by the hydraulic press body. The water in the water tank is cooled by the refrigerator and then flows into the heat dissipation water pipe. The water in the heat dissipation water pipe absorbs heat and then returns to the water tank, achieving the purpose of heat dissipation.
[0004] The above-mentioned technology can dissipate heat from the hydraulic press body through the heat dissipation mechanism. However, it is inconvenient to position and clamp the mold when using the hydraulic press for processing, which may cause the mold to deviate during stamping or pressing, affecting the processing effect. Therefore, a positioning structure for heavy hydraulic press is needed to solve the above-mentioned problems. UTILITY MODEL CONTENTS
[0005] The utility model aims to provide a positioning structure for heavy hydraulic press to solve the problem of inconvenient positioning and clamping of the mold during processing of the existing heavy hydraulic press.
[0006] To solve the above-mentioned technical problems, the utility model provides the following technical scheme: a positioning structure for heavy hydraulic press, comprising a workbench and a mold. The top end of the workbench is provided with a support frame, the top end of the support frame is provided with a hydraulic cylinder, the bottom end of the hydraulic cylinder is provided with a stamping head, and the middle position of the top end of the workbench is provided with a mold. The inside of the workbench is provided with a positioning structure, which comprises a bidirectional screw rod. The bidirectional screw rod is installed in the inside of the workbench, the outer side of both ends of the bidirectional screw rod is provided with a screw sleeve, the top end of the screw sleeve is fixedly provided with a positioning block, the inside of the positioning block is provided with a slot, and the side of the bidirectional screw rod is provided with a driving motor.
[0007] Preferably, the inner top of the workbench is provided with a positioning groove, a mold is arranged in the positioning groove, and bolts are arranged at the top of the positioning blocks.
[0008] Preferably, the outer side of the bidirectional screw rod is provided with external threads, the inner side of the screw sleeve is provided with internal threads, and the bidirectional screw rod and the screw sleeve are in threaded connection.
[0009] Preferably, the positioning blocks are arranged in two groups and symmetrically arranged on the two sides of the mold.
[0010] Preferably, the front end of the workbench is provided with a protection structure, the protection structure comprises mounting blocks, the mounting blocks are fixed to the two sides of the front end of the workbench, a fixed rod is fixed to the middle position of the mounting block, a protection plate is arranged on the outer side of the fixed rod, insertion holes are arranged on the two sides of the protection plate, and a rotating rod is arranged in the insertion holes.
[0011] Preferably, the rotating rod is arranged in the insertion hole, and the rotating rod and the insertion hole are in threaded connection.
[0012] Preferably, the protection plate is arranged on the outer side of the fixed rod, and the protection plate and the insertion hole are hingedly connected.
[0013] Compared with the prior art, the workbench has the advantages that the mold can be positioned and clamped through the use of the positioning structure, and the workers can be protected through the arrangement of the protection structure.
[0014] Through the arrangement of the positioning structure, the mold can be positioned through the use of the positioning groove when the mold is installed, and the two positioning blocks can be used to clamp the mold through the cooperation between the bidirectional screw rod and the screw sleeve, so that the mold is not easy to move during work, and the positioning and clamping of the mold are completed.
[0015] Through the arrangement of the protection structure, the front end of the workbench can be shielded through the use of the protection plate during work, so that the workers are prevented from being injured by the splashing of the metal materials during the processing of the metal materials, and the protection work is completed. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is a front view three-dimensional structure schematic diagram of the utility model;
[0017] Figure 2 It is a rear view three-dimensional structure schematic diagram of the utility model;
[0018] Figure 3 It is a rear view partial cross section three-dimensional structure schematic diagram of the utility model;
[0019] Figure 4 It is the front view three-dimensional structure schematic diagram of the protection structure of the utility model;
[0020] Figure 5 It is the front view explosion three-dimensional structure schematic diagram of the positioning structure of the utility model.
[0021] In the drawing: 1, workbench; 2, positioning structure; 201, drive motor; 202, bidirectional screw rod; 203, screw sleeve; 204, positioning block; 205, insertion block; 206, insertion slot; 207, bolt; 208, positioning groove; 3, support frame; 4, die; 5, stamping head; 6, hydraulic cylinder; 7, protection structure; 701, protection plate; 702, mounting block; 703, rotating rod; 704, insertion hole; 705, fixed rod. DETAILED DESCRIPTION
[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0023] The utility model embodiment provides a positioning structure for heavy hydraulic machine, as shown in Figures 1-5 The utility model provides a positioning structure for heavy hydraulic machine, as shown in
[0024] The inside of workbench 1 is provided with positioning structure 2, positioning structure 2 includes bidirectional screw rod 202, bidirectional screw rod 202 is installed in the inside of workbench 1, the outside of both ends of bidirectional screw rod 202 is installed with screw sleeve 203, the top of screw sleeve 203 is fixed with positioning block 204, the inside of positioning block 204 is provided with insertion slot 206, one side of bidirectional screw rod 202 is installed with drive motor 201, the inside of the top of workbench 1 is provided with positioning groove 208, positioning groove 208 is placed with die 4 in the inside, the both sides of die 4 are fixed with insertion block 205, the top of positioning block 204 is installed with bolt 207, the outside of bidirectional screw rod 202 is provided with external thread, the inside of screw sleeve 203 is provided with internal thread, bidirectional screw rod 202 and screw sleeve 203 form screw connection between, positioning block 204 is provided with two groups, two groups of positioning block 204 are symmetrically distributed on the both sides of die 4;
[0025] The utility model further preferable embodiment, as Figures 1-3 And Figure 5As shown: when the heavy hydraulic machine is used for processing metal material, the mold 4 is placed in the positioning groove 208, at this time, the positioning groove 208 is used, the mold 4 can be positioned, the mold 4 is more convenient to install, after the mold 4 is placed, the external power supply starts the driving motor 201, the driving motor 201 drives the bidirectional screw rod 202 to rotate after starting, the bidirectional screw rod 202 drives the two groups of screw sleeves 203 to move to the middle position when rotating, the two groups of screw sleeves 203 drive the two groups of positioning blocks 204 to also move to the middle position when moving, the side of the positioning block 204 is abutted on the two sides of the mold 4, and the mold 4 is positioned and clamped, when the positioning block 204 is attached to the outside of the mold 4, the plug 205 is also inserted into the inside of the insertion slot 206, the bolt 207 is inserted into the positioning hole reserved in the top end of the workbench 1 after being inserted into the inside of the positioning block 204 and the plug 205, the bolt 207 is rotated after being inserted, and the positioning block 204 and the plug 205 are fixed and positioned again, so that the mold 4 is not easy to move in position during processing, so that the positioning and clamping work of the mold 4 is completed:
[0026] The front end of the workbench 1 is provided with a protection structure 7, the protection structure 7 comprises an installation block 702, the installation block 702 is fixed on the two sides of the front end of the workbench 1, a fixed rod 705 is fixed at the middle position of the installation block 702, a protection plate 701 is installed on the outside of the fixed rod 705, plug holes 704 are formed on the two sides of the protection plate 701, and rotating rods 703 are installed in the plug holes 704.
[0027] As shown in the further preferred embodiment of the utility model, Figure 1 And Figure 4 As shown: after the mold 4 is installed, the metal material is placed in the mold 4, the protection plate 701 is turned up on the outside of the fixed rod 705 after being placed, the rotating rod 703 is inserted into the plug hole 704 and rotated after penetrating the installation block 702, so that the protection plate 701 is fixed, so that the metal material is prevented from splashing during processing to cause harm to the workers, so that the protection work is completed, and the hydraulic cylinder 6 is started after the metal material is placed, the hydraulic cylinder 6 drives the punch head 5 to move downward to stamp the metal material in the mold 4, so that the processing work of the metal material is completed.
[0028] Although the utility model has been explained in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.
Claims
1. A positioning structure for a heavy-duty hydraulic press, characterized in that: Includes a workbench (1) and a mold (4); A support frame (3) is installed at the top of the workbench (1), a hydraulic cylinder (6) is installed at the top of the support frame (3), a punch head (5) is installed at the bottom of the hydraulic cylinder (6), and a mold (4) is installed at the middle position of the top of the workbench (1). The workbench (1) is provided with a positioning structure (2), which includes a bidirectional screw (202). The bidirectional screw (202) is installed inside the workbench (1). Screw sleeves (203) are installed on the outer sides of both ends of the bidirectional screw (202). A positioning block (204) is fixed at the top of the screw sleeve (203). A slot (206) is opened inside the positioning block (204). A drive motor (201) is installed on one side of the bidirectional screw (202).
2. The positioning structure for a heavy-duty hydraulic press according to claim 1, characterized in that: The workbench (1) has a positioning groove (208) inside its top end. A mold (4) is placed inside the positioning groove (208). Insert blocks (205) are fixed on both sides of the mold (4). Bolts (207) are installed on the top of the positioning blocks (204).
3. The positioning structure for a heavy-duty hydraulic press according to claim 1, characterized in that: The outer side of the bidirectional screw (202) is provided with an external thread, and the inner side of the screw sleeve (203) is provided with an internal thread, and the bidirectional screw (202) and the screw sleeve (203) form a threaded connection.
4. The positioning structure for a heavy-duty hydraulic press according to claim 1, characterized in that: The positioning blocks (204) are provided in two sets, and the two sets of positioning blocks (204) are symmetrically distributed on both sides of the mold (4).
5. A positioning structure for a heavy-duty hydraulic press according to claim 1, characterized in that: The front end of the workbench (1) is provided with a protective structure (7). The protective structure (7) includes a mounting block (702). The mounting block (702) is fixed to both sides of the front end of the workbench (1). A fixing rod (705) is fixed at the middle position of the mounting block (702). A protective plate (701) is installed on the outside of the fixing rod (705). Insertion holes (704) are opened on both sides of the protective plate (701). A rotating rod (703) is installed inside the insertion hole (704).
6. A positioning structure for a heavy-duty hydraulic press according to claim 5, characterized in that: The rotating rod (703) is inserted into the insertion hole (704), and the rotating rod (703) and the insertion hole (704) form a threaded connection.
7. A positioning structure for a heavy-duty hydraulic press according to claim 5, characterized in that: The protective plate (701) is sleeved on the outside of the fixing rod (705), and the protective plate (701) is hinged to the insertion hole (704).
Citation Information
Patent Citations
Hydraulic press
CN202507578U