Efficient pre-clamping process equipment

The high-efficiency pre-clamping process equipment with self-resetting rotary mechanism and roller structure solves the problems of inaccurate fixture positioning and low efficiency, realizes rapid positioning and stable clamping of workpieces, improves production efficiency and safety, and is adaptable to the processing of workpieces of different shapes and materials.

CN223670762UActive Publication Date: 2025-12-16SHANDONG CCHC HYDRAULICS
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202520237888.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-14
Publication Date
2025-12-16
Estimated Expiration
2035-02-14

AI Technical Summary

Technical Problem

Existing fixtures in mechanical manufacturing suffer from problems such as inaccurate workpiece positioning, unstable clamping, low efficiency, and poor adaptability. In particular, they are difficult to quickly position and clamp when processing workpieces of different shapes and materials, posing safety hazards.

Method used

This high-efficiency pre-clamping equipment employs a self-resetting rotary mechanism and roller structure. It achieves rapid positioning and clamping by having the rollers contact the workpiece. Combined with the design of movable and fixed supports, it ensures stable clamping of the workpiece and safe operation.

Benefits of technology

It enables rapid workpiece clamping and positioning, improves production efficiency, ensures product quality stability and worker safety, and is highly adaptable to diverse production needs.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223670762U_ABST
    Figure CN223670762U_ABST
Patent Text Reader

Abstract

The utility model discloses efficient pre-clamping process equipment which comprises a fixed support and further comprises a movable support. The fixed support is a U-shaped frame, the fixed support comprises a first fork wall, a fixed seat and a second fork wall, the movable support comprises a connecting seat, the lower end of the connecting seat is connected with the fixed support through a self-resetting rotating mechanism, and the self-resetting rotating mechanism is located between the first fork wall and the second fork wall; the upper end of the connecting seat is rotationally connected with a roller which extends out of the fixed bracket and the movable bracket. The fixture can be used for quickly clamping and positioning, the stability of product quality is ensured, and the operation safety of workers can also be ensured.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to jig technical field, concretely is a kind of high-efficiency pre-clamping process equipment. BACKGROUND

[0002] For the development needs of mechanical manufacturing technology, we should make a little effort in manufacturing technology; mechanical parts need to use jig to fix workpiece in the process of assembly, processing, and before processing or assembling fixed parts, due to the restriction of various parts structures, it is easy to cause the workpiece to fall off from the positioning pin or positioning surface of jig, the workpiece will be misaligned after jig is pressed, resulting in that workpiece is not clamped in place, and normal production cannot be realized; if manual operation is used to adjust workpiece, there will be operation safety hazard. For example, some methods rely on manual operation to carry out simple jig fixing, and it is difficult to ensure that the position precision of each clamping is consistent, leading to deviation in subsequent processing or assembly. Moreover, the traditional clamping speed is slow, and the efficiency is low, and the whole pre-tightening process can consume a long time, thereby affecting production rhythm. In addition, the adaptability of traditional pre-tightening method is poor for workpieces of different shapes and materials, and it cannot meet diversified production demands, and cannot realize rapid clamping and rapid positioning.

[0003] Publication No. CN203495591U discloses a spring floating pre-clamping device novel structure, which comprises a cylinder connecting rod connected with a telescopic rod of a working cylinder, a spring sleeve with a pressing block fixedly installed on the front end face is slidably sleeved on the cylinder connecting rod, a sliding sleeve cavity is formed in the spring sleeve and is guided to slide with the cylinder connecting rod, a reset spring is installed in the sliding sleeve cavity and is in top pressure cooperation with the front end face of the cylinder connecting rod, the reset spring pushes the spring sleeve to move forward along the cylinder connecting rod and pre-clamps the product workpiece vertically positioned on the clamping body positioning plate, a pull rod is installed on the spring sleeve and is used to pull the spring sleeve to retreat and separate from the product workpiece after compression of the reset spring, and the cylinder connecting rod is provided with a pressing surface in limiting top pressure cooperation with the annular face at the rear end of the spring sleeve.

[0004] The prior art needs to manually pull the pull rod when in use, and the operation efficiency is low.

[0005] In summary, the technical solutions of the above disclosed technologies, the technical problems to be solved and the beneficial effects produced are all different from those of the utility model, and the above disclosed technical documents do not have technical inspiration for more technical features and technical problems to be solved and beneficial effects of the utility model. CONTENT OF UTILITY MODEL

[0006] In view of the above defects of the prior art, the purpose of the utility model is to provide a high-efficiency pre-clamping process equipment.

[0007] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0008] The high-efficiency pre-clamping process equipment comprises a fixed support and a movable support; the fixed support is a U-shaped support, which comprises a fork wall, a fixed seat and a double fork wall; the movable support comprises a connecting seat, the lower end of which is connected with the fixed support through a self-resetting rotating mechanism, and the self-resetting rotating mechanism is located between the fork wall and the double fork wall; the upper end of the connecting seat is rotationally connected with a roller, and the roller extends out of the fixed support and the movable support.

[0009] Further, the self-resetting rotating mechanism comprises a toggle plate and a spring.

[0010] Specifically, the toggle plate is a U-shaped plate, which comprises a fork plate, a connecting plate and a double fork plate, and the U-shaped opening of the toggle plate is perpendicular to the U-shaped opening of the fixed support.

[0011] Specifically, the connecting seat is rotationally connected with the fork wall and the double fork wall of the fixed support through a pin shaft I, the lower end of the connecting seat is located in the toggle plate, the lower end surface of the connecting seat is provided with a blind hole, the blind hole is located at the end of the connecting seat away from the roller, and the axis of the pin shaft I is located between the blind hole and the axis of the roller.

[0012] Specifically, the spring is arranged in the blind hole, the spring is in contact with the toggle plate, the spring is in a compressed state, the connecting seat is rotated, and the roller is pushed outwards.

[0013] Specifically, the distance between the top corner of the lower end surface of the connecting seat close to the roller and the axis of the pin shaft I is greater than the distance between the axis of the pin shaft I and the connecting plate in the toggle plate.

[0014] Further, the movable support is a U-shaped support, which comprises a triple fork wall, a connecting seat and a quadruple fork wall, and the triple fork wall and the quadruple fork wall are provided with a round convex arm on the side away from the blind hole.

[0015] Specifically, the round convex arms of the triple fork wall and the quadruple fork wall are rotationally connected with the roller through a pin shaft II, the arc of the round convex arm is concentric with the roller, and the radius of the arc of the round convex arm is smaller than the radius of the roller.

[0016] Further, the spring is in contact with the fork plate and the connecting plate of the toggle plate.

[0017] Further, a copper shaft sleeve is arranged between the connecting seat and the pin shaft I, and a copper shaft sleeve is arranged between the roller and the pin shaft II.

[0018] Further, the fixed seat is provided with one or at least two fixing holes.

[0019] Specifically, the lower end of the fixed seat of the fixed support is provided with an adjusting pad plate, the adjusting pad plate is provided with a through hole, and the through hole corresponds to the mounting hole of the fixed support.

[0020] Compared with the prior art, the utility model has the following beneficial effects:

[0021] The utility model discloses can quick clamping positioning, guarantee the stability of product quality, also can ensure the safety of worker operation. BRIEF DESCRIPTION OF DRAWINGS

[0022] Fig. 1 It is the sectional view of a kind of efficient pre-clamping process equipment of the utility model.

[0023] Fig. 2 It is the structural schematic diagram of a kind of efficient pre-clamping process equipment of the utility model.

[0024] Fig. 3 It is the application schematic diagram of a kind of efficient pre-clamping process equipment of the utility model.

[0025] In the drawing: 1, fixed support;2, movable support;21, connecting seat;22, blind hole;3, push piece;4, spring;5, roller;6, pin shaft one;7, pin shaft two;8, adjusting pad.

[0026] 11, workpiece table;12, single mounting hole efficient pre-clamping process equipment;13, double mounting hole efficient pre-clamping process equipment;14, clamping device;15, positioning device;16, workpiece one;17, workpiece two. DETAILED DESCRIPTION

[0027] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model, and apparently, 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 the person skilled in the art without making creative labor belong to the range of protection of the utility model.

[0028] Embodiment 1:

[0029] Please refer to Figs. 1-2 The utility model provides a kind of efficient pre-clamping process equipment, including fixed support 1, movable support 2, the fixed support 1 is U-shaped frame, the fixed support 1 includes a fork wall, fixed seat, two fork walls, the movable support 2 includes connecting seat 21, the lower end of connecting seat 21 is connected with fixed support 1 by self-resetting rotary mechanism, the self-resetting rotary mechanism is located between a fork wall, two fork walls, the upper end of connecting seat 21 is rotatably connected roller 5, the roller 5 extends fixed support 1, movable support 2.

[0030] by roller 5 and workpiece contact, make self-resetting rotary mechanism act, pre-clamping workpiece, in through clamp clamping workpiece, complete processing dismounting clamp can directly take out workpiece, roller 5 occurs rotation and will not scratch workpiece.

[0031] Specifically, the fixing seat is provided with one or at least two fixing holes.

[0032] Further, the self-resetting rotating mechanism comprises a push piece 3 and a spring 4, the push piece 3 is a U-shaped piece, the push piece 3 comprises a forked piece, a connecting piece and a bifurcated piece, the U-shaped opening of the push piece 3 is perpendicular to the U-shaped opening of the fixing support 1, the connecting seat 21 is rotationally connected to the forked wall and the bifurcated wall of the fixing support 1 through a pin shaft 1, the lower end of the connecting seat 21 is located in the push piece 3, the lower end surface of the connecting seat 21 is provided with a blind hole 22, the blind hole 22 is located at the end of the connecting seat 21 away from the roller 5, the axis of the pin shaft 1 is located between the blind hole 22 and the axis of the roller 5, the spring 4 is arranged in the blind hole 22, the spring 4 is in contact with the push piece 3, the spring 4 is in a compressed state, so as to rotate the connecting seat 21 and push the roller 5 outward, the distance between the top corner of the roller 5 close to the lower end surface of the connecting seat 21 and the axis of the pin shaft 1 is greater than the distance between the axis of the pin shaft 1 and the connecting piece of the push piece 3, after the top corner of the roller 5 close to the lower end surface of the connecting seat 21 is in contact with the push piece 3, the connecting seat 21 stops rotating; after the roller 5 is in contact with the workpiece, the spring 4 is compressed, the connecting seat 21 rotates around the pin shaft 1, and the end of the lower end surface of the connecting seat 21 close to the blind hole 22 moves towards the inside of the push piece 3.

[0033] The push piece 3 protects the spring 4 and prevents the fixing support 1 from being scratched.

[0034] Specifically, the spring 4 is in contact with the forked piece and the connecting piece of the push piece 3, the push piece 3 moves under the action of the spring 4, so that the bifurcated piece is in contact with the side wall of the connecting seat 21, and the positioning of the push piece 3 is completed.

[0035] Specifically, a copper shaft sleeve is arranged between the connecting seat 21 and the pin shaft 1.

[0036] Further, the movable support 2 is a U-shaped support, the movable support 2 comprises a trifurcated wall, a connecting seat 21 and a quadrifurcated wall, the trifurcated wall and the quadrifurcated wall are provided with a round convex arm on the side away from the blind hole 22, the round convex arms of the trifurcated wall and the quadrifurcated wall are rotationally connected to the roller 5 through a pin shaft 2, the arc of the round convex arm is concentric with the roller 5, and the radius of the arc of the round convex arm is smaller than the radius of the roller 5.

[0037] Preferably, the roller 5 is made of rubber, which can realize pre-clamping and reduce the influence on the workpiece.

[0038] Specifically, a copper shaft sleeve is arranged between the roller 5 and the pin shaft 2.

[0039] Furthermore, an adjustment pad 8 is provided at the lower end of the fixed base of the fixed bracket 1. The adjustment pad 8 is provided with a through hole, which corresponds to the mounting hole of the fixed bracket 1. The adjustment pad 8 improves the adaptability of the pre-clamping process equipment.

[0040] Example 2:

[0041] Based on Example 1, this example provides an application method for a high-efficiency pre-clamping process equipment, including the following steps:

[0042] S1. Assemble a high-efficiency pre-clamping process equipment. Install roller 5 into movable bracket 2 using pin 7, install paddle 3 into fixed bracket 1, install spring 4 into movable bracket 2, install movable bracket 2 into paddle 3 of fixed bracket 1, install pin 6, rotatably connect movable bracket 2 and fixed bracket 1, and install adjusting shim into bracket 1 to complete the assembly.

[0043] S2, Prepare single mounting hole high-efficiency pre-clamping process equipment; 12, Double mounting hole high-efficiency pre-clamping process equipment; 13, Clamping device; 14, Positioning device; 15.

[0044] like Fig. 3 As shown, the single-mounting-hole high-efficiency pre-clamping process equipment 12, the double-mounting-hole high-efficiency pre-clamping process equipment 13, the clamping device 14, and the positioning device 15 are fixed to the workpiece table 11 with bolts. Workpiece 16 and workpiece 2 17 are placed in the table. During the placement process, the workpieces contact the rollers 5, causing the movable support 2 to rotate. After the workpieces are in place, the spring 4 resets the movable support 2, and the rollers 5 clamp the workpieces, completing the pre-clamping of the workpieces. The clamping device 14 is then clamped in place for processing. After processing is completed, the clamping device 14 is disassembled, and the workpieces are directly removed. The rollers 5 and the movable support 2 rotate, preventing scratches on the workpieces.

[0045] The high-efficiency pre-clamping process equipment does not need to be adjusted during the workpiece placement and removal process, which improves production efficiency and greatly enhances production efficiency in mass production.

[0046] It should be noted that the clamping device 14 and the positioning device 15 are both existing technologies and can be manual or automatic devices, such as hydraulic automatic clamping devices and hydraulic automatic positioning devices. Those skilled in the art are clear about their structure, so they will not be described in detail here.

[0047] All components not discussed in detail in this application, as well as the connection methods of these components, are well-known technologies in this field. They can be directly applied and will not be elaborated further.

[0048] In the present application, the term "a plurality of" refers to two or more, unless otherwise expressly specified. The terms "mounting", "connected", "connecting", "fixed", and the like should be understood broadly, for example, "connected" can be fixed connection, can also be detachable connection, or integrally connected; "connected" can be directly connected, can also be indirectly connected through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0049] In the description of the present application, it should be understood that the terms "upper", "lower", "left", "right", "front", "back" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or units referred to must have a particular direction, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation of the present application.

[0050] In the description of the present application, the terms "one embodiment", "some embodiments", "a specific embodiment" and the like mean that the specific features, structures, materials or characteristics described in conjunction with the embodiments or examples are included in at least one embodiment or example of the present application. In the present application, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0051] The above is only the preferred embodiment of the present application, and is not used to limit the present application. For those skilled in the art, the present application can have various changes and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A high-efficiency pre-clamping process equipment comprising a fixed support, characterized in that, Also include movable support; The fixed support is a U-shaped support, the fixed support includes a fork wall, a fixed seat, a two-fork wall, the movable support includes a connecting seat, the lower end of the connecting seat is connected with the fixed support through a self-resetting rotating mechanism, and the self-reseting rotating mechanism is located between the fork wall and the two-fork wall; The upper end of the connecting seat is rotationally connected with a roller, and the roller extends out of the fixed support and the movable support.

2. A high efficiency pre-clamping process equipment according to claim 1, characterized in that, The self-resetting rotating mechanism includes a switch plate and a spring; The switch plate is a U-shaped plate, and the switch plate includes a one-fork plate, a connecting plate and a two-fork plate, and the U-shaped opening of the switch plate is perpendicular to the U-shaped opening of the fixed support; The connecting seat is rotationally connected with the fork wall and the two-fork wall of the fixed support through a pin shaft one, the lower end of the connecting seat is located in the switch plate, the lower end surface of the connecting seat is provided with a blind hole, the blind hole is located at the end of the connecting seat away from the roller, and the axis of the pin shaft one is located between the blind hole and the axis of the roller; The spring is arranged in the blind hole, the spring is in contact with the switch plate, the spring is in a compressed state, the connecting seat is rotated, and the roller is pushed outwards; The distance between the top corner of the lower end surface of the connecting seat close to the roller and the axis of the pin shaft one is greater than the distance between the axis of the pin shaft one and the connecting plate in the switch plate.

3. A high-efficiency pre-clamping process equipment according to claim 2, characterized in that, The movable support is a U-shaped support, and the movable support includes a three-fork wall, a connecting seat and a four-fork wall, and the upper end of the three-fork wall and the four-fork wall is provided with a round convex arm away from the blind hole; The round convex arms of the three-fork wall and the four-fork wall are rotationally connected with the roller through a pin shaft two, the arc of the round convex arm is concentric with the roller, and the radius of the arc of the round convex arm is smaller than the radius of the roller.

4. A high efficiency pre-clamping process equipment as claimed in claim 2, wherein, The spring is in contact with the one-fork plate and the connecting plate of the switch plate.

5. A high efficiency pre-clamping process equipment as claimed in claim 3, wherein, A copper shaft sleeve is arranged between the connecting seat and the pin shaft one, and a copper shaft sleeve is arranged between the roller and the pin shaft two.

6. A high efficiency pre-clamping process equipment as claimed in claim 1 wherein, The fixed seat is provided with one or at least two fixing holes; The lower end of the fixed seat of the fixed support is provided with an adjusting pad, the adjusting pad is provided with a through hole, and the through hole corresponds to the mounting hole of the fixed support.

Citation Information

Patent Citations

  • Novel structure of spring floating pre-clamping device

    CN203495591U